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1 /*
2  * Copyright (C) 2017 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 //#define LOG_NDEBUG 0
18 #define LOG_TAG "CCodec"
19 #include <utils/Log.h>
20 
21 #include <sstream>
22 #include <thread>
23 
24 #include <C2Config.h>
25 #include <C2Debug.h>
26 #include <C2ParamInternal.h>
27 #include <C2PlatformSupport.h>
28 
29 #include <android/IOMXBufferSource.h>
30 #include <android/hardware/media/c2/1.0/IInputSurface.h>
31 #include <android/hardware/media/omx/1.0/IGraphicBufferSource.h>
32 #include <android/hardware/media/omx/1.0/IOmx.h>
33 #include <android-base/properties.h>
34 #include <android-base/stringprintf.h>
35 #include <cutils/properties.h>
36 #include <gui/IGraphicBufferProducer.h>
37 #include <gui/Surface.h>
38 #include <gui/bufferqueue/1.0/H2BGraphicBufferProducer.h>
39 #include <media/omx/1.0/WOmxNode.h>
40 #include <media/openmax/OMX_Core.h>
41 #include <media/openmax/OMX_IndexExt.h>
42 #include <media/stagefright/foundation/avc_utils.h>
43 #include <media/stagefright/omx/1.0/WGraphicBufferSource.h>
44 #include <media/stagefright/omx/OmxGraphicBufferSource.h>
45 #include <media/stagefright/CCodec.h>
46 #include <media/stagefright/BufferProducerWrapper.h>
47 #include <media/stagefright/MediaCodecConstants.h>
48 #include <media/stagefright/PersistentSurface.h>
49 #include <utils/NativeHandle.h>
50 
51 #include "C2OMXNode.h"
52 #include "CCodecBufferChannel.h"
53 #include "CCodecConfig.h"
54 #include "Codec2Mapper.h"
55 #include "InputSurfaceWrapper.h"
56 
57 extern "C" android::PersistentSurface *CreateInputSurface();
58 
59 namespace android {
60 
61 using namespace std::chrono_literals;
62 using ::android::hardware::graphics::bufferqueue::V1_0::utils::H2BGraphicBufferProducer;
63 using android::base::StringPrintf;
64 using ::android::hardware::media::c2::V1_0::IInputSurface;
65 
66 typedef hardware::media::omx::V1_0::IGraphicBufferSource HGraphicBufferSource;
67 typedef CCodecConfig Config;
68 
69 namespace {
70 
71 class CCodecWatchdog : public AHandler {
72 private:
73     enum {
74         kWhatWatch,
75     };
76     constexpr static int64_t kWatchIntervalUs = 3300000;  // 3.3 secs
77 
78 public:
getInstance()79     static sp<CCodecWatchdog> getInstance() {
80         static sp<CCodecWatchdog> instance(new CCodecWatchdog);
81         static std::once_flag flag;
82         // Call Init() only once.
83         std::call_once(flag, Init, instance);
84         return instance;
85     }
86 
87     ~CCodecWatchdog() = default;
88 
watch(sp<CCodec> codec)89     void watch(sp<CCodec> codec) {
90         bool shouldPost = false;
91         {
92             Mutexed<std::set<wp<CCodec>>>::Locked codecs(mCodecsToWatch);
93             // If a watch message is in flight, piggy-back this instance as well.
94             // Otherwise, post a new watch message.
95             shouldPost = codecs->empty();
96             codecs->emplace(codec);
97         }
98         if (shouldPost) {
99             ALOGV("posting watch message");
100             (new AMessage(kWhatWatch, this))->post(kWatchIntervalUs);
101         }
102     }
103 
104 protected:
onMessageReceived(const sp<AMessage> & msg)105     void onMessageReceived(const sp<AMessage> &msg) {
106         switch (msg->what()) {
107             case kWhatWatch: {
108                 Mutexed<std::set<wp<CCodec>>>::Locked codecs(mCodecsToWatch);
109                 ALOGV("watch for %zu codecs", codecs->size());
110                 for (auto it = codecs->begin(); it != codecs->end(); ++it) {
111                     sp<CCodec> codec = it->promote();
112                     if (codec == nullptr) {
113                         continue;
114                     }
115                     codec->initiateReleaseIfStuck();
116                 }
117                 codecs->clear();
118                 break;
119             }
120 
121             default: {
122                 TRESPASS("CCodecWatchdog: unrecognized message");
123             }
124         }
125     }
126 
127 private:
CCodecWatchdog()128     CCodecWatchdog() : mLooper(new ALooper) {}
129 
Init(const sp<CCodecWatchdog> & thiz)130     static void Init(const sp<CCodecWatchdog> &thiz) {
131         ALOGV("Init");
132         thiz->mLooper->setName("CCodecWatchdog");
133         thiz->mLooper->registerHandler(thiz);
134         thiz->mLooper->start();
135     }
136 
137     sp<ALooper> mLooper;
138 
139     Mutexed<std::set<wp<CCodec>>> mCodecsToWatch;
140 };
141 
142 class C2InputSurfaceWrapper : public InputSurfaceWrapper {
143 public:
C2InputSurfaceWrapper(const std::shared_ptr<Codec2Client::InputSurface> & surface)144     explicit C2InputSurfaceWrapper(
145             const std::shared_ptr<Codec2Client::InputSurface> &surface) :
146         mSurface(surface) {
147     }
148 
149     ~C2InputSurfaceWrapper() override = default;
150 
connect(const std::shared_ptr<Codec2Client::Component> & comp)151     status_t connect(const std::shared_ptr<Codec2Client::Component> &comp) override {
152         if (mConnection != nullptr) {
153             return ALREADY_EXISTS;
154         }
155         return toStatusT(comp->connectToInputSurface(mSurface, &mConnection));
156     }
157 
disconnect()158     void disconnect() override {
159         if (mConnection != nullptr) {
160             mConnection->disconnect();
161             mConnection = nullptr;
162         }
163     }
164 
start()165     status_t start() override {
166         // InputSurface does not distinguish started state
167         return OK;
168     }
169 
signalEndOfInputStream()170     status_t signalEndOfInputStream() override {
171         C2InputSurfaceEosTuning eos(true);
172         std::vector<std::unique_ptr<C2SettingResult>> failures;
173         c2_status_t err = mSurface->config({&eos}, C2_MAY_BLOCK, &failures);
174         if (err != C2_OK) {
175             return UNKNOWN_ERROR;
176         }
177         return OK;
178     }
179 
configure(Config & config __unused)180     status_t configure(Config &config __unused) {
181         // TODO
182         return OK;
183     }
184 
185 private:
186     std::shared_ptr<Codec2Client::InputSurface> mSurface;
187     std::shared_ptr<Codec2Client::InputSurfaceConnection> mConnection;
188 };
189 
190 class GraphicBufferSourceWrapper : public InputSurfaceWrapper {
191 public:
192     typedef hardware::media::omx::V1_0::Status OmxStatus;
193 
GraphicBufferSourceWrapper(const sp<HGraphicBufferSource> & source,uint32_t width,uint32_t height,uint64_t usage)194     GraphicBufferSourceWrapper(
195             const sp<HGraphicBufferSource> &source,
196             uint32_t width,
197             uint32_t height,
198             uint64_t usage)
199         : mSource(source), mWidth(width), mHeight(height) {
200         mDataSpace = HAL_DATASPACE_BT709;
201         mConfig.mUsage = usage;
202     }
203     ~GraphicBufferSourceWrapper() override = default;
204 
connect(const std::shared_ptr<Codec2Client::Component> & comp)205     status_t connect(const std::shared_ptr<Codec2Client::Component> &comp) override {
206         mNode = new C2OMXNode(comp);
207         mOmxNode = new hardware::media::omx::V1_0::utils::TWOmxNode(mNode);
208         mNode->setFrameSize(mWidth, mHeight);
209 
210         // Usage is queried during configure(), so setting it beforehand.
211         OMX_U32 usage = mConfig.mUsage & 0xFFFFFFFF;
212         (void)mNode->setParameter(
213                 (OMX_INDEXTYPE)OMX_IndexParamConsumerUsageBits,
214                 &usage, sizeof(usage));
215 
216         return GetStatus(mSource->configure(
217                 mOmxNode, static_cast<hardware::graphics::common::V1_0::Dataspace>(mDataSpace)));
218     }
219 
disconnect()220     void disconnect() override {
221         if (mNode == nullptr) {
222             return;
223         }
224         sp<IOMXBufferSource> source = mNode->getSource();
225         if (source == nullptr) {
226             ALOGD("GBSWrapper::disconnect: node is not configured with OMXBufferSource.");
227             return;
228         }
229         source->onOmxIdle();
230         source->onOmxLoaded();
231         mNode.clear();
232         mOmxNode.clear();
233     }
234 
GetStatus(hardware::Return<OmxStatus> && status)235     status_t GetStatus(hardware::Return<OmxStatus> &&status) {
236         if (status.isOk()) {
237             return static_cast<status_t>(status.withDefault(OmxStatus::UNKNOWN_ERROR));
238         } else if (status.isDeadObject()) {
239             return DEAD_OBJECT;
240         }
241         return UNKNOWN_ERROR;
242     }
243 
start()244     status_t start() override {
245         sp<IOMXBufferSource> source = mNode->getSource();
246         if (source == nullptr) {
247             return NO_INIT;
248         }
249 
250         size_t numSlots = 16;
251         constexpr OMX_U32 kPortIndexInput = 0;
252 
253         OMX_PARAM_PORTDEFINITIONTYPE param;
254         param.nPortIndex = kPortIndexInput;
255         status_t err = mNode->getParameter(OMX_IndexParamPortDefinition,
256                                            &param, sizeof(param));
257         if (err == OK) {
258             numSlots = param.nBufferCountActual;
259         }
260 
261         for (size_t i = 0; i < numSlots; ++i) {
262             source->onInputBufferAdded(i);
263         }
264 
265         source->onOmxExecuting();
266         return OK;
267     }
268 
signalEndOfInputStream()269     status_t signalEndOfInputStream() override {
270         return GetStatus(mSource->signalEndOfInputStream());
271     }
272 
configure(Config & config)273     status_t configure(Config &config) {
274         std::stringstream status;
275         status_t err = OK;
276 
277         // handle each configuration granually, in case we need to handle part of the configuration
278         // elsewhere
279 
280         // TRICKY: we do not unset frame delay repeating
281         if (config.mMinFps > 0 && config.mMinFps != mConfig.mMinFps) {
282             int64_t us = 1e6 / config.mMinFps + 0.5;
283             status_t res = GetStatus(mSource->setRepeatPreviousFrameDelayUs(us));
284             status << " minFps=" << config.mMinFps << " => repeatDelayUs=" << us;
285             if (res != OK) {
286                 status << " (=> " << asString(res) << ")";
287                 err = res;
288             }
289             mConfig.mMinFps = config.mMinFps;
290         }
291 
292         // pts gap
293         if (config.mMinAdjustedFps > 0 || config.mFixedAdjustedFps > 0) {
294             if (mNode != nullptr) {
295                 OMX_PARAM_U32TYPE ptrGapParam = {};
296                 ptrGapParam.nSize = sizeof(OMX_PARAM_U32TYPE);
297                 float gap = (config.mMinAdjustedFps > 0)
298                         ? c2_min(INT32_MAX + 0., 1e6 / config.mMinAdjustedFps + 0.5)
299                         : c2_max(0. - INT32_MAX, -1e6 / config.mFixedAdjustedFps - 0.5);
300                 // float -> uint32_t is undefined if the value is negative.
301                 // First convert to int32_t to ensure the expected behavior.
302                 ptrGapParam.nU32 = int32_t(gap);
303                 (void)mNode->setParameter(
304                         (OMX_INDEXTYPE)OMX_IndexParamMaxFrameDurationForBitrateControl,
305                         &ptrGapParam, sizeof(ptrGapParam));
306             }
307         }
308 
309         // max fps
310         // TRICKY: we do not unset max fps to 0 unless using fixed fps
311         if ((config.mMaxFps > 0 || (config.mFixedAdjustedFps > 0 && config.mMaxFps == -1))
312                 && config.mMaxFps != mConfig.mMaxFps) {
313             status_t res = GetStatus(mSource->setMaxFps(config.mMaxFps));
314             status << " maxFps=" << config.mMaxFps;
315             if (res != OK) {
316                 status << " (=> " << asString(res) << ")";
317                 err = res;
318             }
319             mConfig.mMaxFps = config.mMaxFps;
320         }
321 
322         if (config.mTimeOffsetUs != mConfig.mTimeOffsetUs) {
323             status_t res = GetStatus(mSource->setTimeOffsetUs(config.mTimeOffsetUs));
324             status << " timeOffset " << config.mTimeOffsetUs << "us";
325             if (res != OK) {
326                 status << " (=> " << asString(res) << ")";
327                 err = res;
328             }
329             mConfig.mTimeOffsetUs = config.mTimeOffsetUs;
330         }
331 
332         if (config.mCaptureFps != mConfig.mCaptureFps || config.mCodedFps != mConfig.mCodedFps) {
333             status_t res =
334                 GetStatus(mSource->setTimeLapseConfig(config.mCodedFps, config.mCaptureFps));
335             status << " timeLapse " << config.mCaptureFps << "fps as " << config.mCodedFps << "fps";
336             if (res != OK) {
337                 status << " (=> " << asString(res) << ")";
338                 err = res;
339             }
340             mConfig.mCaptureFps = config.mCaptureFps;
341             mConfig.mCodedFps = config.mCodedFps;
342         }
343 
344         if (config.mStartAtUs != mConfig.mStartAtUs
345                 || (config.mStopped != mConfig.mStopped && !config.mStopped)) {
346             status_t res = GetStatus(mSource->setStartTimeUs(config.mStartAtUs));
347             status << " start at " << config.mStartAtUs << "us";
348             if (res != OK) {
349                 status << " (=> " << asString(res) << ")";
350                 err = res;
351             }
352             mConfig.mStartAtUs = config.mStartAtUs;
353             mConfig.mStopped = config.mStopped;
354         }
355 
356         // suspend-resume
357         if (config.mSuspended != mConfig.mSuspended) {
358             status_t res = GetStatus(mSource->setSuspend(config.mSuspended, config.mSuspendAtUs));
359             status << " " << (config.mSuspended ? "suspend" : "resume")
360                     << " at " << config.mSuspendAtUs << "us";
361             if (res != OK) {
362                 status << " (=> " << asString(res) << ")";
363                 err = res;
364             }
365             mConfig.mSuspended = config.mSuspended;
366             mConfig.mSuspendAtUs = config.mSuspendAtUs;
367         }
368 
369         if (config.mStopped != mConfig.mStopped && config.mStopped) {
370             status_t res = GetStatus(mSource->setStopTimeUs(config.mStopAtUs));
371             status << " stop at " << config.mStopAtUs << "us";
372             if (res != OK) {
373                 status << " (=> " << asString(res) << ")";
374                 err = res;
375             } else {
376                 status << " delayUs";
377                 hardware::Return<void> trans = mSource->getStopTimeOffsetUs(
378                         [&res, &delayUs = config.mInputDelayUs](
379                                 auto status, auto stopTimeOffsetUs) {
380                             res = static_cast<status_t>(status);
381                             delayUs = stopTimeOffsetUs;
382                         });
383                 if (!trans.isOk()) {
384                     res = trans.isDeadObject() ? DEAD_OBJECT : UNKNOWN_ERROR;
385                 }
386                 if (res != OK) {
387                     status << " (=> " << asString(res) << ")";
388                 } else {
389                     status << "=" << config.mInputDelayUs << "us";
390                 }
391                 mConfig.mInputDelayUs = config.mInputDelayUs;
392             }
393             mConfig.mStopAtUs = config.mStopAtUs;
394             mConfig.mStopped = config.mStopped;
395         }
396 
397         // color aspects (android._color-aspects)
398 
399         // consumer usage is queried earlier.
400 
401         // priority
402         if (mConfig.mPriority != config.mPriority) {
403             if (config.mPriority != INT_MAX) {
404                 mNode->setPriority(config.mPriority);
405             }
406             mConfig.mPriority = config.mPriority;
407         }
408 
409         if (status.str().empty()) {
410             ALOGD("ISConfig not changed");
411         } else {
412             ALOGD("ISConfig%s", status.str().c_str());
413         }
414         return err;
415     }
416 
onInputBufferDone(c2_cntr64_t index)417     void onInputBufferDone(c2_cntr64_t index) override {
418         mNode->onInputBufferDone(index);
419     }
420 
getDataspace()421     android_dataspace getDataspace() override {
422         return mNode->getDataspace();
423     }
424 
425 private:
426     sp<HGraphicBufferSource> mSource;
427     sp<C2OMXNode> mNode;
428     sp<hardware::media::omx::V1_0::IOmxNode> mOmxNode;
429     uint32_t mWidth;
430     uint32_t mHeight;
431     Config mConfig;
432 };
433 
434 class Codec2ClientInterfaceWrapper : public C2ComponentStore {
435     std::shared_ptr<Codec2Client> mClient;
436 
437 public:
Codec2ClientInterfaceWrapper(std::shared_ptr<Codec2Client> client)438     Codec2ClientInterfaceWrapper(std::shared_ptr<Codec2Client> client)
439         : mClient(client) { }
440 
441     virtual ~Codec2ClientInterfaceWrapper() = default;
442 
config_sm(const std::vector<C2Param * > & params,std::vector<std::unique_ptr<C2SettingResult>> * const failures)443     virtual c2_status_t config_sm(
444             const std::vector<C2Param *> &params,
445             std::vector<std::unique_ptr<C2SettingResult>> *const failures) {
446         return mClient->config(params, C2_MAY_BLOCK, failures);
447     };
448 
copyBuffer(std::shared_ptr<C2GraphicBuffer>,std::shared_ptr<C2GraphicBuffer>)449     virtual c2_status_t copyBuffer(
450             std::shared_ptr<C2GraphicBuffer>,
451             std::shared_ptr<C2GraphicBuffer>) {
452         return C2_OMITTED;
453     }
454 
createComponent(C2String,std::shared_ptr<C2Component> * const component)455     virtual c2_status_t createComponent(
456             C2String, std::shared_ptr<C2Component> *const component) {
457         component->reset();
458         return C2_OMITTED;
459     }
460 
createInterface(C2String,std::shared_ptr<C2ComponentInterface> * const interface)461     virtual c2_status_t createInterface(
462             C2String, std::shared_ptr<C2ComponentInterface> *const interface) {
463         interface->reset();
464         return C2_OMITTED;
465     }
466 
query_sm(const std::vector<C2Param * > & stackParams,const std::vector<C2Param::Index> & heapParamIndices,std::vector<std::unique_ptr<C2Param>> * const heapParams) const467     virtual c2_status_t query_sm(
468             const std::vector<C2Param *> &stackParams,
469             const std::vector<C2Param::Index> &heapParamIndices,
470             std::vector<std::unique_ptr<C2Param>> *const heapParams) const {
471         return mClient->query(stackParams, heapParamIndices, C2_MAY_BLOCK, heapParams);
472     }
473 
querySupportedParams_nb(std::vector<std::shared_ptr<C2ParamDescriptor>> * const params) const474     virtual c2_status_t querySupportedParams_nb(
475             std::vector<std::shared_ptr<C2ParamDescriptor>> *const params) const {
476         return mClient->querySupportedParams(params);
477     }
478 
querySupportedValues_sm(std::vector<C2FieldSupportedValuesQuery> & fields) const479     virtual c2_status_t querySupportedValues_sm(
480             std::vector<C2FieldSupportedValuesQuery> &fields) const {
481         return mClient->querySupportedValues(fields, C2_MAY_BLOCK);
482     }
483 
getName() const484     virtual C2String getName() const {
485         return mClient->getName();
486     }
487 
getParamReflector() const488     virtual std::shared_ptr<C2ParamReflector> getParamReflector() const {
489         return mClient->getParamReflector();
490     }
491 
listComponents()492     virtual std::vector<std::shared_ptr<const C2Component::Traits>> listComponents() {
493         return std::vector<std::shared_ptr<const C2Component::Traits>>();
494     }
495 };
496 
RevertOutputFormatIfNeeded(const sp<AMessage> & oldFormat,sp<AMessage> & currentFormat)497 void RevertOutputFormatIfNeeded(
498         const sp<AMessage> &oldFormat, sp<AMessage> &currentFormat) {
499     // We used to not report changes to these keys to the client.
500     const static std::set<std::string> sIgnoredKeys({
501             KEY_BIT_RATE,
502             KEY_FRAME_RATE,
503             KEY_MAX_BIT_RATE,
504             KEY_MAX_WIDTH,
505             KEY_MAX_HEIGHT,
506             "csd-0",
507             "csd-1",
508             "csd-2",
509     });
510     if (currentFormat == oldFormat) {
511         return;
512     }
513     sp<AMessage> diff = currentFormat->changesFrom(oldFormat);
514     AMessage::Type type;
515     for (size_t i = diff->countEntries(); i > 0; --i) {
516         if (sIgnoredKeys.count(diff->getEntryNameAt(i - 1, &type)) > 0) {
517             diff->removeEntryAt(i - 1);
518         }
519     }
520     if (diff->countEntries() == 0) {
521         currentFormat = oldFormat;
522     }
523 }
524 
AmendOutputFormatWithCodecSpecificData(const uint8_t * data,size_t size,const std::string & mediaType,const sp<AMessage> & outputFormat)525 void AmendOutputFormatWithCodecSpecificData(
526         const uint8_t *data, size_t size, const std::string &mediaType,
527         const sp<AMessage> &outputFormat) {
528     if (mediaType == MIMETYPE_VIDEO_AVC) {
529         // Codec specific data should be SPS and PPS in a single buffer,
530         // each prefixed by a startcode (0x00 0x00 0x00 0x01).
531         // We separate the two and put them into the output format
532         // under the keys "csd-0" and "csd-1".
533 
534         unsigned csdIndex = 0;
535 
536         const uint8_t *nalStart;
537         size_t nalSize;
538         while (getNextNALUnit(&data, &size, &nalStart, &nalSize, true) == OK) {
539             sp<ABuffer> csd = new ABuffer(nalSize + 4);
540             memcpy(csd->data(), "\x00\x00\x00\x01", 4);
541             memcpy(csd->data() + 4, nalStart, nalSize);
542 
543             outputFormat->setBuffer(
544                     AStringPrintf("csd-%u", csdIndex).c_str(), csd);
545 
546             ++csdIndex;
547         }
548 
549         if (csdIndex != 2) {
550             ALOGW("Expected two NAL units from AVC codec config, but %u found",
551                     csdIndex);
552         }
553     } else {
554         // For everything else we just stash the codec specific data into
555         // the output format as a single piece of csd under "csd-0".
556         sp<ABuffer> csd = new ABuffer(size);
557         memcpy(csd->data(), data, size);
558         csd->setRange(0, size);
559         outputFormat->setBuffer("csd-0", csd);
560     }
561 }
562 
563 }  // namespace
564 
565 // CCodec::ClientListener
566 
567 struct CCodec::ClientListener : public Codec2Client::Listener {
568 
ClientListenerandroid::CCodec::ClientListener569     explicit ClientListener(const wp<CCodec> &codec) : mCodec(codec) {}
570 
onWorkDoneandroid::CCodec::ClientListener571     virtual void onWorkDone(
572             const std::weak_ptr<Codec2Client::Component>& component,
573             std::list<std::unique_ptr<C2Work>>& workItems) override {
574         (void)component;
575         sp<CCodec> codec(mCodec.promote());
576         if (!codec) {
577             return;
578         }
579         codec->onWorkDone(workItems);
580     }
581 
onTrippedandroid::CCodec::ClientListener582     virtual void onTripped(
583             const std::weak_ptr<Codec2Client::Component>& component,
584             const std::vector<std::shared_ptr<C2SettingResult>>& settingResult
585             ) override {
586         // TODO
587         (void)component;
588         (void)settingResult;
589     }
590 
onErrorandroid::CCodec::ClientListener591     virtual void onError(
592             const std::weak_ptr<Codec2Client::Component>& component,
593             uint32_t errorCode) override {
594         {
595             // Component is only used for reporting as we use a separate listener for each instance
596             std::shared_ptr<Codec2Client::Component> comp = component.lock();
597             if (!comp) {
598                 ALOGD("Component died with error: 0x%x", errorCode);
599             } else {
600                 ALOGD("Component \"%s\" returned error: 0x%x", comp->getName().c_str(), errorCode);
601             }
602         }
603 
604         // Report to MediaCodec
605         // Note: for now we do not propagate the error code to MediaCodec
606         // except for C2_NO_MEMORY, as we would need to translate to a MediaCodec error.
607         sp<CCodec> codec(mCodec.promote());
608         if (!codec || !codec->mCallback) {
609             return;
610         }
611         codec->mCallback->onError(
612                 errorCode == C2_NO_MEMORY ? NO_MEMORY : UNKNOWN_ERROR,
613                 ACTION_CODE_FATAL);
614     }
615 
onDeathandroid::CCodec::ClientListener616     virtual void onDeath(
617             const std::weak_ptr<Codec2Client::Component>& component) override {
618         { // Log the death of the component.
619             std::shared_ptr<Codec2Client::Component> comp = component.lock();
620             if (!comp) {
621                 ALOGE("Codec2 component died.");
622             } else {
623                 ALOGE("Codec2 component \"%s\" died.", comp->getName().c_str());
624             }
625         }
626 
627         // Report to MediaCodec.
628         sp<CCodec> codec(mCodec.promote());
629         if (!codec || !codec->mCallback) {
630             return;
631         }
632         codec->mCallback->onError(DEAD_OBJECT, ACTION_CODE_FATAL);
633     }
634 
onFrameRenderedandroid::CCodec::ClientListener635     virtual void onFrameRendered(uint64_t bufferQueueId,
636                                  int32_t slotId,
637                                  int64_t timestampNs) override {
638         // TODO: implement
639         (void)bufferQueueId;
640         (void)slotId;
641         (void)timestampNs;
642     }
643 
onInputBufferDoneandroid::CCodec::ClientListener644     virtual void onInputBufferDone(
645             uint64_t frameIndex, size_t arrayIndex) override {
646         sp<CCodec> codec(mCodec.promote());
647         if (codec) {
648             codec->onInputBufferDone(frameIndex, arrayIndex);
649         }
650     }
651 
652 private:
653     wp<CCodec> mCodec;
654 };
655 
656 // CCodecCallbackImpl
657 
658 class CCodecCallbackImpl : public CCodecCallback {
659 public:
CCodecCallbackImpl(CCodec * codec)660     explicit CCodecCallbackImpl(CCodec *codec) : mCodec(codec) {}
661     ~CCodecCallbackImpl() override = default;
662 
onError(status_t err,enum ActionCode actionCode)663     void onError(status_t err, enum ActionCode actionCode) override {
664         mCodec->mCallback->onError(err, actionCode);
665     }
666 
onOutputFramesRendered(int64_t mediaTimeUs,nsecs_t renderTimeNs)667     void onOutputFramesRendered(int64_t mediaTimeUs, nsecs_t renderTimeNs) override {
668         mCodec->mCallback->onOutputFramesRendered(
669                 {RenderedFrameInfo(mediaTimeUs, renderTimeNs)});
670     }
671 
onOutputBuffersChanged()672     void onOutputBuffersChanged() override {
673         mCodec->mCallback->onOutputBuffersChanged();
674     }
675 
onFirstTunnelFrameReady()676     void onFirstTunnelFrameReady() override {
677         mCodec->mCallback->onFirstTunnelFrameReady();
678     }
679 
680 private:
681     CCodec *mCodec;
682 };
683 
684 // CCodec
685 
CCodec()686 CCodec::CCodec()
687     : mChannel(new CCodecBufferChannel(std::make_shared<CCodecCallbackImpl>(this))),
688       mConfig(new CCodecConfig) {
689 }
690 
~CCodec()691 CCodec::~CCodec() {
692 }
693 
getBufferChannel()694 std::shared_ptr<BufferChannelBase> CCodec::getBufferChannel() {
695     return mChannel;
696 }
697 
tryAndReportOnError(std::function<status_t ()> job)698 status_t CCodec::tryAndReportOnError(std::function<status_t()> job) {
699     status_t err = job();
700     if (err != C2_OK) {
701         mCallback->onError(err, ACTION_CODE_FATAL);
702     }
703     return err;
704 }
705 
initiateAllocateComponent(const sp<AMessage> & msg)706 void CCodec::initiateAllocateComponent(const sp<AMessage> &msg) {
707     auto setAllocating = [this] {
708         Mutexed<State>::Locked state(mState);
709         if (state->get() != RELEASED) {
710             return INVALID_OPERATION;
711         }
712         state->set(ALLOCATING);
713         return OK;
714     };
715     if (tryAndReportOnError(setAllocating) != OK) {
716         return;
717     }
718 
719     sp<RefBase> codecInfo;
720     CHECK(msg->findObject("codecInfo", &codecInfo));
721     // For Codec 2.0 components, componentName == codecInfo->getCodecName().
722 
723     sp<AMessage> allocMsg(new AMessage(kWhatAllocate, this));
724     allocMsg->setObject("codecInfo", codecInfo);
725     allocMsg->post();
726 }
727 
allocate(const sp<MediaCodecInfo> & codecInfo)728 void CCodec::allocate(const sp<MediaCodecInfo> &codecInfo) {
729     if (codecInfo == nullptr) {
730         mCallback->onError(UNKNOWN_ERROR, ACTION_CODE_FATAL);
731         return;
732     }
733     ALOGD("allocate(%s)", codecInfo->getCodecName());
734     mClientListener.reset(new ClientListener(this));
735 
736     AString componentName = codecInfo->getCodecName();
737     std::shared_ptr<Codec2Client> client;
738 
739     // set up preferred component store to access vendor store parameters
740     client = Codec2Client::CreateFromService("default");
741     if (client) {
742         ALOGI("setting up '%s' as default (vendor) store", client->getServiceName().c_str());
743         SetPreferredCodec2ComponentStore(
744                 std::make_shared<Codec2ClientInterfaceWrapper>(client));
745     }
746 
747     std::shared_ptr<Codec2Client::Component> comp;
748     c2_status_t status = Codec2Client::CreateComponentByName(
749             componentName.c_str(),
750             mClientListener,
751             &comp,
752             &client);
753     if (status != C2_OK) {
754         ALOGE("Failed Create component: %s, error=%d", componentName.c_str(), status);
755         Mutexed<State>::Locked state(mState);
756         state->set(RELEASED);
757         state.unlock();
758         mCallback->onError((status == C2_NO_MEMORY ? NO_MEMORY : UNKNOWN_ERROR), ACTION_CODE_FATAL);
759         state.lock();
760         return;
761     }
762     ALOGI("Created component [%s]", componentName.c_str());
763     mChannel->setComponent(comp);
764     auto setAllocated = [this, comp, client] {
765         Mutexed<State>::Locked state(mState);
766         if (state->get() != ALLOCATING) {
767             state->set(RELEASED);
768             return UNKNOWN_ERROR;
769         }
770         state->set(ALLOCATED);
771         state->comp = comp;
772         mClient = client;
773         return OK;
774     };
775     if (tryAndReportOnError(setAllocated) != OK) {
776         return;
777     }
778 
779     // initialize config here in case setParameters is called prior to configure
780     Mutexed<std::unique_ptr<Config>>::Locked configLocked(mConfig);
781     const std::unique_ptr<Config> &config = *configLocked;
782     status_t err = config->initialize(mClient->getParamReflector(), comp);
783     if (err != OK) {
784         ALOGW("Failed to initialize configuration support");
785         // TODO: report error once we complete implementation.
786     }
787     config->queryConfiguration(comp);
788 
789     mCallback->onComponentAllocated(componentName.c_str());
790 }
791 
initiateConfigureComponent(const sp<AMessage> & format)792 void CCodec::initiateConfigureComponent(const sp<AMessage> &format) {
793     auto checkAllocated = [this] {
794         Mutexed<State>::Locked state(mState);
795         return (state->get() != ALLOCATED) ? UNKNOWN_ERROR : OK;
796     };
797     if (tryAndReportOnError(checkAllocated) != OK) {
798         return;
799     }
800 
801     sp<AMessage> msg(new AMessage(kWhatConfigure, this));
802     msg->setMessage("format", format);
803     msg->post();
804 }
805 
configure(const sp<AMessage> & msg)806 void CCodec::configure(const sp<AMessage> &msg) {
807     std::shared_ptr<Codec2Client::Component> comp;
808     auto checkAllocated = [this, &comp] {
809         Mutexed<State>::Locked state(mState);
810         if (state->get() != ALLOCATED) {
811             state->set(RELEASED);
812             return UNKNOWN_ERROR;
813         }
814         comp = state->comp;
815         return OK;
816     };
817     if (tryAndReportOnError(checkAllocated) != OK) {
818         return;
819     }
820 
821     auto doConfig = [msg, comp, this]() -> status_t {
822         AString mime;
823         if (!msg->findString("mime", &mime)) {
824             return BAD_VALUE;
825         }
826 
827         int32_t encoder;
828         if (!msg->findInt32("encoder", &encoder)) {
829             encoder = false;
830         }
831 
832         int32_t flags;
833         if (!msg->findInt32("flags", &flags)) {
834             return BAD_VALUE;
835         }
836 
837         // TODO: read from intf()
838         if ((!encoder) != (comp->getName().find("encoder") == std::string::npos)) {
839             return UNKNOWN_ERROR;
840         }
841 
842         int32_t storeMeta;
843         if (encoder
844                 && msg->findInt32("android._input-metadata-buffer-type", &storeMeta)
845                 && storeMeta != kMetadataBufferTypeInvalid) {
846             if (storeMeta != kMetadataBufferTypeANWBuffer) {
847                 ALOGD("Only ANW buffers are supported for legacy metadata mode");
848                 return BAD_VALUE;
849             }
850             mChannel->setMetaMode(CCodecBufferChannel::MODE_ANW);
851         }
852 
853         status_t err = OK;
854         sp<RefBase> obj;
855         sp<Surface> surface;
856         if (msg->findObject("native-window", &obj)) {
857             surface = static_cast<Surface *>(obj.get());
858             // setup tunneled playback
859             if (surface != nullptr) {
860                 Mutexed<std::unique_ptr<Config>>::Locked configLocked(mConfig);
861                 const std::unique_ptr<Config> &config = *configLocked;
862                 if ((config->mDomain & Config::IS_DECODER)
863                         && (config->mDomain & Config::IS_VIDEO)) {
864                     int32_t tunneled;
865                     if (msg->findInt32("feature-tunneled-playback", &tunneled) && tunneled != 0) {
866                         ALOGI("Configuring TUNNELED video playback.");
867 
868                         err = configureTunneledVideoPlayback(comp, &config->mSidebandHandle, msg);
869                         if (err != OK) {
870                             ALOGE("configureTunneledVideoPlayback failed!");
871                             return err;
872                         }
873                         config->mTunneled = true;
874                     }
875 
876                     int32_t pushBlankBuffersOnStop = 0;
877                     if (msg->findInt32(KEY_PUSH_BLANK_BUFFERS_ON_STOP, &pushBlankBuffersOnStop)) {
878                         config->mPushBlankBuffersOnStop = pushBlankBuffersOnStop == 1;
879                     }
880                     // secure compoment or protected content default with
881                     // "push-blank-buffers-on-shutdown" flag
882                     if (!config->mPushBlankBuffersOnStop) {
883                         int32_t usageProtected;
884                         if (comp->getName().find(".secure") != std::string::npos) {
885                             config->mPushBlankBuffersOnStop = true;
886                         } else if (msg->findInt32("protected", &usageProtected) && usageProtected) {
887                             config->mPushBlankBuffersOnStop = true;
888                         }
889                     }
890                 }
891             }
892             setSurface(surface);
893         }
894 
895         Mutexed<std::unique_ptr<Config>>::Locked configLocked(mConfig);
896         const std::unique_ptr<Config> &config = *configLocked;
897         config->mUsingSurface = surface != nullptr;
898         config->mBuffersBoundToCodec = ((flags & CONFIGURE_FLAG_USE_BLOCK_MODEL) == 0);
899         ALOGD("[%s] buffers are %sbound to CCodec for this session",
900               comp->getName().c_str(), config->mBuffersBoundToCodec ? "" : "not ");
901 
902         // Enforce required parameters
903         int32_t i32;
904         float flt;
905         if (config->mDomain & Config::IS_AUDIO) {
906             if (!msg->findInt32(KEY_SAMPLE_RATE, &i32)) {
907                 ALOGD("sample rate is missing, which is required for audio components.");
908                 return BAD_VALUE;
909             }
910             if (!msg->findInt32(KEY_CHANNEL_COUNT, &i32)) {
911                 ALOGD("channel count is missing, which is required for audio components.");
912                 return BAD_VALUE;
913             }
914             if ((config->mDomain & Config::IS_ENCODER)
915                     && !mime.equalsIgnoreCase(MEDIA_MIMETYPE_AUDIO_FLAC)
916                     && !msg->findInt32(KEY_BIT_RATE, &i32)
917                     && !msg->findFloat(KEY_BIT_RATE, &flt)) {
918                 ALOGD("bitrate is missing, which is required for audio encoders.");
919                 return BAD_VALUE;
920             }
921         }
922         int32_t width = 0;
923         int32_t height = 0;
924         if (config->mDomain & (Config::IS_IMAGE | Config::IS_VIDEO)) {
925             if (!msg->findInt32(KEY_WIDTH, &width)) {
926                 ALOGD("width is missing, which is required for image/video components.");
927                 return BAD_VALUE;
928             }
929             if (!msg->findInt32(KEY_HEIGHT, &height)) {
930                 ALOGD("height is missing, which is required for image/video components.");
931                 return BAD_VALUE;
932             }
933             if ((config->mDomain & Config::IS_ENCODER) && (config->mDomain & Config::IS_VIDEO)) {
934                 int32_t mode = BITRATE_MODE_VBR;
935                 if (msg->findInt32(KEY_BITRATE_MODE, &mode) && mode == BITRATE_MODE_CQ) {
936                     if (!msg->findInt32(KEY_QUALITY, &i32)) {
937                         ALOGD("quality is missing, which is required for video encoders in CQ.");
938                         return BAD_VALUE;
939                     }
940                 } else {
941                     if (!msg->findInt32(KEY_BIT_RATE, &i32)
942                             && !msg->findFloat(KEY_BIT_RATE, &flt)) {
943                         ALOGD("bitrate is missing, which is required for video encoders.");
944                         return BAD_VALUE;
945                     }
946                 }
947                 if (!msg->findInt32(KEY_I_FRAME_INTERVAL, &i32)
948                         && !msg->findFloat(KEY_I_FRAME_INTERVAL, &flt)) {
949                     ALOGD("I frame interval is missing, which is required for video encoders.");
950                     return BAD_VALUE;
951                 }
952                 if (!msg->findInt32(KEY_FRAME_RATE, &i32)
953                         && !msg->findFloat(KEY_FRAME_RATE, &flt)) {
954                     ALOGD("frame rate is missing, which is required for video encoders.");
955                     return BAD_VALUE;
956                 }
957             }
958         }
959 
960         /*
961          * Handle input surface configuration
962          */
963         if ((config->mDomain & (Config::IS_VIDEO | Config::IS_IMAGE))
964                 && (config->mDomain & Config::IS_ENCODER)) {
965             config->mISConfig.reset(new InputSurfaceWrapper::Config{});
966             {
967                 config->mISConfig->mMinFps = 0;
968                 int64_t value;
969                 if (msg->findInt64(KEY_REPEAT_PREVIOUS_FRAME_AFTER, &value) && value > 0) {
970                     config->mISConfig->mMinFps = 1e6 / value;
971                 }
972                 if (!msg->findFloat(
973                         KEY_MAX_FPS_TO_ENCODER, &config->mISConfig->mMaxFps)) {
974                     config->mISConfig->mMaxFps = -1;
975                 }
976                 config->mISConfig->mMinAdjustedFps = 0;
977                 config->mISConfig->mFixedAdjustedFps = 0;
978                 if (msg->findInt64(KEY_MAX_PTS_GAP_TO_ENCODER, &value)) {
979                     if (value < 0 && value >= INT32_MIN) {
980                         config->mISConfig->mFixedAdjustedFps = -1e6 / value;
981                         config->mISConfig->mMaxFps = -1;
982                     } else if (value > 0 && value <= INT32_MAX) {
983                         config->mISConfig->mMinAdjustedFps = 1e6 / value;
984                     }
985                 }
986             }
987 
988             {
989                 bool captureFpsFound = false;
990                 double timeLapseFps;
991                 float captureRate;
992                 if (msg->findDouble("time-lapse-fps", &timeLapseFps)) {
993                     config->mISConfig->mCaptureFps = timeLapseFps;
994                     captureFpsFound = true;
995                 } else if (msg->findAsFloat(KEY_CAPTURE_RATE, &captureRate)) {
996                     config->mISConfig->mCaptureFps = captureRate;
997                     captureFpsFound = true;
998                 }
999                 if (captureFpsFound) {
1000                     (void)msg->findAsFloat(KEY_FRAME_RATE, &config->mISConfig->mCodedFps);
1001                 }
1002             }
1003 
1004             {
1005                 config->mISConfig->mSuspended = false;
1006                 config->mISConfig->mSuspendAtUs = -1;
1007                 int32_t value;
1008                 if (msg->findInt32(KEY_CREATE_INPUT_SURFACE_SUSPENDED, &value) && value) {
1009                     config->mISConfig->mSuspended = true;
1010                 }
1011             }
1012             config->mISConfig->mUsage = 0;
1013             config->mISConfig->mPriority = INT_MAX;
1014         }
1015 
1016         /*
1017          * Handle desired color format.
1018          */
1019         int32_t defaultColorFormat = COLOR_FormatYUV420Flexible;
1020         if ((config->mDomain & (Config::IS_VIDEO | Config::IS_IMAGE))) {
1021             int32_t format = 0;
1022             // Query vendor format for Flexible YUV
1023             std::vector<std::unique_ptr<C2Param>> heapParams;
1024             C2StoreFlexiblePixelFormatDescriptorsInfo *pixelFormatInfo = nullptr;
1025             int vendorSdkVersion = base::GetIntProperty(
1026                     "ro.vendor.build.version.sdk", android_get_device_api_level());
1027             if (vendorSdkVersion >= __ANDROID_API_S__ && mClient->query(
1028                         {},
1029                         {C2StoreFlexiblePixelFormatDescriptorsInfo::PARAM_TYPE},
1030                         C2_MAY_BLOCK,
1031                         &heapParams) == C2_OK
1032                     && heapParams.size() == 1u) {
1033                 pixelFormatInfo = C2StoreFlexiblePixelFormatDescriptorsInfo::From(
1034                         heapParams[0].get());
1035             } else {
1036                 pixelFormatInfo = nullptr;
1037             }
1038             // bit depth -> format
1039             std::map<uint32_t, uint32_t> flexPixelFormat;
1040             std::map<uint32_t, uint32_t> flexPlanarPixelFormat;
1041             std::map<uint32_t, uint32_t> flexSemiPlanarPixelFormat;
1042             if (pixelFormatInfo && *pixelFormatInfo) {
1043                 for (size_t i = 0; i < pixelFormatInfo->flexCount(); ++i) {
1044                     const C2FlexiblePixelFormatDescriptorStruct &desc =
1045                         pixelFormatInfo->m.values[i];
1046                     if (desc.subsampling != C2Color::YUV_420
1047                             // TODO(b/180076105): some device report wrong layout
1048                             // || desc.layout == C2Color::INTERLEAVED_PACKED
1049                             // || desc.layout == C2Color::INTERLEAVED_ALIGNED
1050                             || desc.layout == C2Color::UNKNOWN_LAYOUT) {
1051                         continue;
1052                     }
1053                     if (flexPixelFormat.count(desc.bitDepth) == 0) {
1054                         flexPixelFormat.emplace(desc.bitDepth, desc.pixelFormat);
1055                     }
1056                     if (desc.layout == C2Color::PLANAR_PACKED
1057                             && flexPlanarPixelFormat.count(desc.bitDepth) == 0) {
1058                         flexPlanarPixelFormat.emplace(desc.bitDepth, desc.pixelFormat);
1059                     }
1060                     if (desc.layout == C2Color::SEMIPLANAR_PACKED
1061                             && flexSemiPlanarPixelFormat.count(desc.bitDepth) == 0) {
1062                         flexSemiPlanarPixelFormat.emplace(desc.bitDepth, desc.pixelFormat);
1063                     }
1064                 }
1065             }
1066             if (!msg->findInt32(KEY_COLOR_FORMAT, &format)) {
1067                 // Also handle default color format (encoders require color format, so this is only
1068                 // needed for decoders.
1069                 if (!(config->mDomain & Config::IS_ENCODER)) {
1070                     if (surface == nullptr) {
1071                         const char *prefix = "";
1072                         if (flexSemiPlanarPixelFormat.count(8) != 0) {
1073                             format = COLOR_FormatYUV420SemiPlanar;
1074                             prefix = "semi-";
1075                         } else {
1076                             format = COLOR_FormatYUV420Planar;
1077                         }
1078                         ALOGD("Client requested ByteBuffer mode decoder w/o color format set: "
1079                                 "using default %splanar color format", prefix);
1080                     } else {
1081                         format = COLOR_FormatSurface;
1082                     }
1083                     defaultColorFormat = format;
1084                 }
1085             } else {
1086                 if ((config->mDomain & Config::IS_ENCODER) || !surface) {
1087                     if (vendorSdkVersion < __ANDROID_API_S__ &&
1088                             (format == COLOR_FormatYUV420Flexible ||
1089                              format == COLOR_FormatYUV420Planar ||
1090                              format == COLOR_FormatYUV420PackedPlanar ||
1091                              format == COLOR_FormatYUV420SemiPlanar ||
1092                              format == COLOR_FormatYUV420PackedSemiPlanar)) {
1093                         // pre-S framework used to map these color formats into YV12.
1094                         // Codecs from older vendor partition may be relying on
1095                         // this assumption.
1096                         format = HAL_PIXEL_FORMAT_YV12;
1097                     }
1098                     switch (format) {
1099                         case COLOR_FormatYUV420Flexible:
1100                             format = COLOR_FormatYUV420Planar;
1101                             if (flexPixelFormat.count(8) != 0) {
1102                                 format = flexPixelFormat[8];
1103                             }
1104                             break;
1105                         case COLOR_FormatYUV420Planar:
1106                         case COLOR_FormatYUV420PackedPlanar:
1107                             if (flexPlanarPixelFormat.count(8) != 0) {
1108                                 format = flexPlanarPixelFormat[8];
1109                             } else if (flexPixelFormat.count(8) != 0) {
1110                                 format = flexPixelFormat[8];
1111                             }
1112                             break;
1113                         case COLOR_FormatYUV420SemiPlanar:
1114                         case COLOR_FormatYUV420PackedSemiPlanar:
1115                             if (flexSemiPlanarPixelFormat.count(8) != 0) {
1116                                 format = flexSemiPlanarPixelFormat[8];
1117                             } else if (flexPixelFormat.count(8) != 0) {
1118                                 format = flexPixelFormat[8];
1119                             }
1120                             break;
1121                         case COLOR_FormatYUVP010:
1122                             format = COLOR_FormatYUVP010;
1123                             if (flexSemiPlanarPixelFormat.count(10) != 0) {
1124                                 format = flexSemiPlanarPixelFormat[10];
1125                             } else if (flexPixelFormat.count(10) != 0) {
1126                                 format = flexPixelFormat[10];
1127                             }
1128                             break;
1129                         default:
1130                             // No-op
1131                             break;
1132                     }
1133                 }
1134             }
1135 
1136             if (format != 0) {
1137                 msg->setInt32("android._color-format", format);
1138             }
1139         }
1140 
1141         /*
1142          * Handle dataspace
1143          */
1144         int32_t usingRecorder;
1145         if (msg->findInt32("android._using-recorder", &usingRecorder) && usingRecorder) {
1146             android_dataspace dataSpace = HAL_DATASPACE_BT709;
1147             int32_t width, height;
1148             if (msg->findInt32("width", &width)
1149                     && msg->findInt32("height", &height)) {
1150                 ColorAspects aspects;
1151                 getColorAspectsFromFormat(msg, aspects);
1152                 setDefaultCodecColorAspectsIfNeeded(aspects, width, height);
1153                 // TODO: read dataspace / color aspect from the component
1154                 setColorAspectsIntoFormat(aspects, const_cast<sp<AMessage> &>(msg));
1155                 dataSpace = getDataSpaceForColorAspects(aspects, true /* mayexpand */);
1156             }
1157             msg->setInt32("android._dataspace", (int32_t)dataSpace);
1158             ALOGD("setting dataspace to %x", dataSpace);
1159         }
1160 
1161         int32_t subscribeToAllVendorParams;
1162         if (msg->findInt32("x-*", &subscribeToAllVendorParams) && subscribeToAllVendorParams) {
1163             if (config->subscribeToAllVendorParams(comp, C2_MAY_BLOCK) != OK) {
1164                 ALOGD("[%s] Failed to subscribe to all vendor params", comp->getName().c_str());
1165             }
1166         }
1167 
1168         std::vector<std::unique_ptr<C2Param>> configUpdate;
1169         // NOTE: We used to ignore "video-bitrate" at configure; replicate
1170         //       the behavior here.
1171         sp<AMessage> sdkParams = msg;
1172         int32_t videoBitrate;
1173         if (sdkParams->findInt32(PARAMETER_KEY_VIDEO_BITRATE, &videoBitrate)) {
1174             sdkParams = msg->dup();
1175             sdkParams->removeEntryAt(sdkParams->findEntryByName(PARAMETER_KEY_VIDEO_BITRATE));
1176         }
1177         err = config->getConfigUpdateFromSdkParams(
1178                 comp, sdkParams, Config::IS_CONFIG, C2_DONT_BLOCK, &configUpdate);
1179         if (err != OK) {
1180             ALOGW("failed to convert configuration to c2 params");
1181         }
1182 
1183         int32_t maxBframes = 0;
1184         if ((config->mDomain & Config::IS_ENCODER)
1185                 && (config->mDomain & Config::IS_VIDEO)
1186                 && sdkParams->findInt32(KEY_MAX_B_FRAMES, &maxBframes)
1187                 && maxBframes > 0) {
1188             std::unique_ptr<C2StreamGopTuning::output> gop =
1189                 C2StreamGopTuning::output::AllocUnique(2 /* flexCount */, 0u /* stream */);
1190             gop->m.values[0] = { P_FRAME, UINT32_MAX };
1191             gop->m.values[1] = {
1192                 C2Config::picture_type_t(P_FRAME | B_FRAME),
1193                 uint32_t(maxBframes)
1194             };
1195             configUpdate.push_back(std::move(gop));
1196         }
1197 
1198         if ((config->mDomain & Config::IS_ENCODER)
1199                 && (config->mDomain & Config::IS_VIDEO)) {
1200             // we may not use all 3 of these entries
1201             std::unique_ptr<C2StreamPictureQuantizationTuning::output> qp =
1202                 C2StreamPictureQuantizationTuning::output::AllocUnique(3 /* flexCount */,
1203                                                                        0u /* stream */);
1204 
1205             int ix = 0;
1206 
1207             int32_t iMax = INT32_MAX;
1208             int32_t iMin = INT32_MIN;
1209             (void) sdkParams->findInt32(KEY_VIDEO_QP_I_MAX, &iMax);
1210             (void) sdkParams->findInt32(KEY_VIDEO_QP_I_MIN, &iMin);
1211             if (iMax != INT32_MAX || iMin != INT32_MIN) {
1212                 qp->m.values[ix++] = {I_FRAME, iMin, iMax};
1213             }
1214 
1215             int32_t pMax = INT32_MAX;
1216             int32_t pMin = INT32_MIN;
1217             (void) sdkParams->findInt32(KEY_VIDEO_QP_P_MAX, &pMax);
1218             (void) sdkParams->findInt32(KEY_VIDEO_QP_P_MIN, &pMin);
1219             if (pMax != INT32_MAX || pMin != INT32_MIN) {
1220                 qp->m.values[ix++] = {P_FRAME, pMin, pMax};
1221             }
1222 
1223             int32_t bMax = INT32_MAX;
1224             int32_t bMin = INT32_MIN;
1225             (void) sdkParams->findInt32(KEY_VIDEO_QP_B_MAX, &bMax);
1226             (void) sdkParams->findInt32(KEY_VIDEO_QP_B_MIN, &bMin);
1227             if (bMax != INT32_MAX || bMin != INT32_MIN) {
1228                 qp->m.values[ix++] = {B_FRAME, bMin, bMax};
1229             }
1230 
1231             // adjust to reflect actual use.
1232             qp->setFlexCount(ix);
1233 
1234             configUpdate.push_back(std::move(qp));
1235         }
1236 
1237         int32_t background = 0;
1238         if ((config->mDomain & Config::IS_VIDEO)
1239                 && msg->findInt32("android._background-mode", &background)
1240                 && background) {
1241             androidSetThreadPriority(gettid(), ANDROID_PRIORITY_BACKGROUND);
1242             if (config->mISConfig) {
1243                 config->mISConfig->mPriority = ANDROID_PRIORITY_BACKGROUND;
1244             }
1245         }
1246 
1247         err = config->setParameters(comp, configUpdate, C2_DONT_BLOCK);
1248         if (err != OK) {
1249             ALOGW("failed to configure c2 params");
1250             return err;
1251         }
1252 
1253         std::vector<std::unique_ptr<C2Param>> params;
1254         C2StreamUsageTuning::input usage(0u, 0u);
1255         C2StreamMaxBufferSizeInfo::input maxInputSize(0u, 0u);
1256         C2PrependHeaderModeSetting prepend(PREPEND_HEADER_TO_NONE);
1257 
1258         C2Param::Index colorAspectsRequestIndex =
1259             C2StreamColorAspectsInfo::output::PARAM_TYPE | C2Param::CoreIndex::IS_REQUEST_FLAG;
1260         std::initializer_list<C2Param::Index> indices {
1261             colorAspectsRequestIndex.withStream(0u),
1262         };
1263         int32_t colorTransferRequest = 0;
1264         if (config->mDomain & (Config::IS_IMAGE | Config::IS_VIDEO)
1265                 && !sdkParams->findInt32("color-transfer-request", &colorTransferRequest)) {
1266             colorTransferRequest = 0;
1267         }
1268         c2_status_t c2err = C2_OK;
1269         if (colorTransferRequest != 0) {
1270             c2err = comp->query(
1271                     { &usage, &maxInputSize, &prepend },
1272                     indices,
1273                     C2_DONT_BLOCK,
1274                     &params);
1275         } else {
1276             c2err = comp->query(
1277                     { &usage, &maxInputSize, &prepend },
1278                     {},
1279                     C2_DONT_BLOCK,
1280                     &params);
1281         }
1282         if (c2err != C2_OK && c2err != C2_BAD_INDEX) {
1283             ALOGE("Failed to query component interface: %d", c2err);
1284             return UNKNOWN_ERROR;
1285         }
1286         if (usage) {
1287             if (usage.value & C2MemoryUsage::CPU_READ) {
1288                 config->mInputFormat->setInt32("using-sw-read-often", true);
1289             }
1290             if (config->mISConfig) {
1291                 C2AndroidMemoryUsage androidUsage(C2MemoryUsage(usage.value));
1292                 config->mISConfig->mUsage = androidUsage.asGrallocUsage();
1293             }
1294             config->mInputFormat->setInt64("android._C2MemoryUsage", usage.value);
1295         }
1296 
1297         // NOTE: we don't blindly use client specified input size if specified as clients
1298         // at times specify too small size. Instead, mimic the behavior from OMX, where the
1299         // client specified size is only used to ask for bigger buffers than component suggested
1300         // size.
1301         int32_t clientInputSize = 0;
1302         bool clientSpecifiedInputSize =
1303             msg->findInt32(KEY_MAX_INPUT_SIZE, &clientInputSize) && clientInputSize > 0;
1304         // TEMP: enforce minimum buffer size of 1MB for video decoders
1305         // and 16K / 4K for audio encoders/decoders
1306         if (maxInputSize.value == 0) {
1307             if (config->mDomain & Config::IS_AUDIO) {
1308                 maxInputSize.value = encoder ? 16384 : 4096;
1309             } else if (!encoder) {
1310                 maxInputSize.value = 1048576u;
1311             }
1312         }
1313 
1314         // verify that CSD fits into this size (if defined)
1315         if ((config->mDomain & Config::IS_DECODER) && maxInputSize.value > 0) {
1316             sp<ABuffer> csd;
1317             for (size_t ix = 0; msg->findBuffer(StringPrintf("csd-%zu", ix).c_str(), &csd); ++ix) {
1318                 if (csd && csd->size() > maxInputSize.value) {
1319                     maxInputSize.value = csd->size();
1320                 }
1321             }
1322         }
1323 
1324         // TODO: do this based on component requiring linear allocator for input
1325         if ((config->mDomain & Config::IS_DECODER) || (config->mDomain & Config::IS_AUDIO)) {
1326             if (clientSpecifiedInputSize) {
1327                 // Warn that we're overriding client's max input size if necessary.
1328                 if ((uint32_t)clientInputSize < maxInputSize.value) {
1329                     ALOGD("client requested max input size %d, which is smaller than "
1330                           "what component recommended (%u); overriding with component "
1331                           "recommendation.", clientInputSize, maxInputSize.value);
1332                     ALOGW("This behavior is subject to change. It is recommended that "
1333                           "app developers double check whether the requested "
1334                           "max input size is in reasonable range.");
1335                 } else {
1336                     maxInputSize.value = clientInputSize;
1337                 }
1338             }
1339             // Pass max input size on input format to the buffer channel (if supplied by the
1340             // component or by a default)
1341             if (maxInputSize.value) {
1342                 config->mInputFormat->setInt32(
1343                         KEY_MAX_INPUT_SIZE,
1344                         (int32_t)(c2_min(maxInputSize.value, uint32_t(INT32_MAX))));
1345             }
1346         }
1347 
1348         int32_t clientPrepend;
1349         if ((config->mDomain & Config::IS_VIDEO)
1350                 && (config->mDomain & Config::IS_ENCODER)
1351                 && msg->findInt32(KEY_PREPEND_HEADER_TO_SYNC_FRAMES, &clientPrepend)
1352                 && clientPrepend
1353                 && (!prepend || prepend.value != PREPEND_HEADER_TO_ALL_SYNC)) {
1354             ALOGE("Failed to set KEY_PREPEND_HEADER_TO_SYNC_FRAMES");
1355             return BAD_VALUE;
1356         }
1357 
1358         int32_t componentColorFormat = 0;
1359         if ((config->mDomain & (Config::IS_VIDEO | Config::IS_IMAGE))) {
1360             // propagate HDR static info to output format for both encoders and decoders
1361             // if component supports this info, we will update from component, but only the raw port,
1362             // so don't propagate if component already filled it in.
1363             sp<ABuffer> hdrInfo;
1364             if (msg->findBuffer(KEY_HDR_STATIC_INFO, &hdrInfo)
1365                     && !config->mOutputFormat->findBuffer(KEY_HDR_STATIC_INFO, &hdrInfo)) {
1366                 config->mOutputFormat->setBuffer(KEY_HDR_STATIC_INFO, hdrInfo);
1367             }
1368 
1369             // Set desired color format from configuration parameter
1370             int32_t format;
1371             if (!msg->findInt32(KEY_COLOR_FORMAT, &format)) {
1372                 format = defaultColorFormat;
1373             }
1374             if (config->mDomain & Config::IS_ENCODER) {
1375                 config->mInputFormat->setInt32(KEY_COLOR_FORMAT, format);
1376                 if (msg->findInt32("android._color-format", &componentColorFormat)) {
1377                     config->mInputFormat->setInt32("android._color-format", componentColorFormat);
1378                 }
1379             } else {
1380                 config->mOutputFormat->setInt32(KEY_COLOR_FORMAT, format);
1381             }
1382         }
1383 
1384         // propagate encoder delay and padding to output format
1385         if ((config->mDomain & Config::IS_DECODER) && (config->mDomain & Config::IS_AUDIO)) {
1386             int delay = 0;
1387             if (msg->findInt32("encoder-delay", &delay)) {
1388                 config->mOutputFormat->setInt32("encoder-delay", delay);
1389             }
1390             int padding = 0;
1391             if (msg->findInt32("encoder-padding", &padding)) {
1392                 config->mOutputFormat->setInt32("encoder-padding", padding);
1393             }
1394         }
1395 
1396         if (config->mDomain & Config::IS_AUDIO) {
1397             // set channel-mask
1398             int32_t mask;
1399             if (msg->findInt32(KEY_CHANNEL_MASK, &mask)) {
1400                 if (config->mDomain & Config::IS_ENCODER) {
1401                     config->mInputFormat->setInt32(KEY_CHANNEL_MASK, mask);
1402                 } else {
1403                     config->mOutputFormat->setInt32(KEY_CHANNEL_MASK, mask);
1404                 }
1405             }
1406 
1407             // set PCM encoding
1408             int32_t pcmEncoding = kAudioEncodingPcm16bit;
1409             msg->findInt32(KEY_PCM_ENCODING, &pcmEncoding);
1410             if (encoder) {
1411                 config->mInputFormat->setInt32("android._config-pcm-encoding", pcmEncoding);
1412             } else {
1413                 config->mOutputFormat->setInt32("android._config-pcm-encoding", pcmEncoding);
1414             }
1415         }
1416 
1417         std::unique_ptr<C2Param> colorTransferRequestParam;
1418         for (std::unique_ptr<C2Param> &param : params) {
1419             if (param->index() == colorAspectsRequestIndex.withStream(0u)) {
1420                 ALOGI("found color transfer request param");
1421                 colorTransferRequestParam = std::move(param);
1422             }
1423         }
1424 
1425         if (colorTransferRequest != 0) {
1426             if (colorTransferRequestParam && *colorTransferRequestParam) {
1427                 C2StreamColorAspectsInfo::output *info =
1428                     static_cast<C2StreamColorAspectsInfo::output *>(
1429                             colorTransferRequestParam.get());
1430                 if (!C2Mapper::map(info->transfer, &colorTransferRequest)) {
1431                     colorTransferRequest = 0;
1432                 }
1433             } else {
1434                 colorTransferRequest = 0;
1435             }
1436             config->mInputFormat->setInt32("color-transfer-request", colorTransferRequest);
1437         }
1438 
1439         if (componentColorFormat != 0 && componentColorFormat != COLOR_FormatSurface) {
1440             // Need to get stride/vstride
1441             uint32_t pixelFormat = PIXEL_FORMAT_UNKNOWN;
1442             if (C2Mapper::mapPixelFormatFrameworkToCodec(componentColorFormat, &pixelFormat)) {
1443                 // TODO: retrieve these values without allocating a buffer.
1444                 //       Currently allocating a buffer is necessary to retrieve the layout.
1445                 int64_t blockUsage =
1446                     usage.value | C2MemoryUsage::CPU_READ | C2MemoryUsage::CPU_WRITE;
1447                 std::shared_ptr<C2GraphicBlock> block = FetchGraphicBlock(
1448                         width, height, componentColorFormat, blockUsage, {comp->getName()});
1449                 sp<GraphicBlockBuffer> buffer;
1450                 if (block) {
1451                     buffer = GraphicBlockBuffer::Allocate(
1452                             config->mInputFormat,
1453                             block,
1454                             [](size_t size) -> sp<ABuffer> { return new ABuffer(size); });
1455                 } else {
1456                     ALOGD("Failed to allocate a graphic block "
1457                             "(width=%d height=%d pixelFormat=%u usage=%llx)",
1458                             width, height, pixelFormat, (long long)blockUsage);
1459                     // This means that byte buffer mode is not supported in this configuration
1460                     // anyway. Skip setting stride/vstride to input format.
1461                 }
1462                 if (buffer) {
1463                     sp<ABuffer> imageData = buffer->getImageData();
1464                     MediaImage2 *img = nullptr;
1465                     if (imageData && imageData->data()
1466                             && imageData->size() >= sizeof(MediaImage2)) {
1467                         img = (MediaImage2*)imageData->data();
1468                     }
1469                     if (img && img->mNumPlanes > 0 && img->mType != img->MEDIA_IMAGE_TYPE_UNKNOWN) {
1470                         int32_t stride = img->mPlane[0].mRowInc;
1471                         config->mInputFormat->setInt32(KEY_STRIDE, stride);
1472                         if (img->mNumPlanes > 1 && stride > 0) {
1473                             int64_t offsetDelta =
1474                                 (int64_t)img->mPlane[1].mOffset - (int64_t)img->mPlane[0].mOffset;
1475                             if (offsetDelta % stride == 0) {
1476                                 int32_t vstride = int32_t(offsetDelta / stride);
1477                                 config->mInputFormat->setInt32(KEY_SLICE_HEIGHT, vstride);
1478                             } else {
1479                                 ALOGD("Cannot report accurate slice height: "
1480                                         "offsetDelta = %lld stride = %d",
1481                                         (long long)offsetDelta, stride);
1482                             }
1483                         }
1484                     }
1485                 }
1486             }
1487         }
1488 
1489         if (config->mTunneled) {
1490             config->mOutputFormat->setInt32("android._tunneled", 1);
1491         }
1492 
1493         // Convert an encoding statistics level to corresponding encoding statistics
1494         // kinds
1495         int32_t encodingStatisticsLevel = VIDEO_ENCODING_STATISTICS_LEVEL_NONE;
1496         if ((config->mDomain & Config::IS_ENCODER)
1497             && (config->mDomain & Config::IS_VIDEO)
1498             && msg->findInt32(KEY_VIDEO_ENCODING_STATISTICS_LEVEL, &encodingStatisticsLevel)) {
1499             // Higher level include all the enc stats belong to lower level.
1500             switch (encodingStatisticsLevel) {
1501                 // case VIDEO_ENCODING_STATISTICS_LEVEL_2: // reserved for the future level 2
1502                                                            // with more enc stat kinds
1503                 // Future extended encoding statistics for the level 2 should be added here
1504                 case VIDEO_ENCODING_STATISTICS_LEVEL_1:
1505                     config->subscribeToConfigUpdate(
1506                             comp,
1507                             {
1508                                 C2AndroidStreamAverageBlockQuantizationInfo::output::PARAM_TYPE,
1509                                 C2StreamPictureTypeInfo::output::PARAM_TYPE,
1510                             });
1511                     break;
1512                 case VIDEO_ENCODING_STATISTICS_LEVEL_NONE:
1513                     break;
1514             }
1515         }
1516         ALOGD("encoding statistics level = %d", encodingStatisticsLevel);
1517 
1518         ALOGD("setup formats input: %s",
1519                 config->mInputFormat->debugString().c_str());
1520         ALOGD("setup formats output: %s",
1521                 config->mOutputFormat->debugString().c_str());
1522         return OK;
1523     };
1524     if (tryAndReportOnError(doConfig) != OK) {
1525         return;
1526     }
1527 
1528     Mutexed<std::unique_ptr<Config>>::Locked configLocked(mConfig);
1529     const std::unique_ptr<Config> &config = *configLocked;
1530 
1531     config->queryConfiguration(comp);
1532 
1533     mCallback->onComponentConfigured(config->mInputFormat, config->mOutputFormat);
1534 }
1535 
initiateCreateInputSurface()1536 void CCodec::initiateCreateInputSurface() {
1537     status_t err = [this] {
1538         Mutexed<State>::Locked state(mState);
1539         if (state->get() != ALLOCATED) {
1540             return UNKNOWN_ERROR;
1541         }
1542         // TODO: read it from intf() properly.
1543         if (state->comp->getName().find("encoder") == std::string::npos) {
1544             return INVALID_OPERATION;
1545         }
1546         return OK;
1547     }();
1548     if (err != OK) {
1549         mCallback->onInputSurfaceCreationFailed(err);
1550         return;
1551     }
1552 
1553     (new AMessage(kWhatCreateInputSurface, this))->post();
1554 }
1555 
CreateOmxInputSurface()1556 sp<PersistentSurface> CCodec::CreateOmxInputSurface() {
1557     using namespace android::hardware::media::omx::V1_0;
1558     using namespace android::hardware::media::omx::V1_0::utils;
1559     using namespace android::hardware::graphics::bufferqueue::V1_0::utils;
1560     typedef android::hardware::media::omx::V1_0::Status OmxStatus;
1561     android::sp<IOmx> omx = IOmx::getService();
1562     if (omx == nullptr) {
1563         return nullptr;
1564     }
1565     typedef android::hardware::graphics::bufferqueue::V1_0::
1566             IGraphicBufferProducer HGraphicBufferProducer;
1567     typedef android::hardware::media::omx::V1_0::
1568             IGraphicBufferSource HGraphicBufferSource;
1569     OmxStatus s;
1570     android::sp<HGraphicBufferProducer> gbp;
1571     android::sp<HGraphicBufferSource> gbs;
1572 
1573     using ::android::hardware::Return;
1574     Return<void> transStatus = omx->createInputSurface(
1575             [&s, &gbp, &gbs](
1576                     OmxStatus status,
1577                     const android::sp<HGraphicBufferProducer>& producer,
1578                     const android::sp<HGraphicBufferSource>& source) {
1579                 s = status;
1580                 gbp = producer;
1581                 gbs = source;
1582             });
1583     if (transStatus.isOk() && s == OmxStatus::OK) {
1584         return new PersistentSurface(new H2BGraphicBufferProducer(gbp), gbs);
1585     }
1586 
1587     return nullptr;
1588 }
1589 
CreateCompatibleInputSurface()1590 sp<PersistentSurface> CCodec::CreateCompatibleInputSurface() {
1591     sp<PersistentSurface> surface(CreateInputSurface());
1592 
1593     if (surface == nullptr) {
1594         surface = CreateOmxInputSurface();
1595     }
1596 
1597     return surface;
1598 }
1599 
createInputSurface()1600 void CCodec::createInputSurface() {
1601     status_t err;
1602     sp<IGraphicBufferProducer> bufferProducer;
1603 
1604     sp<AMessage> outputFormat;
1605     uint64_t usage = 0;
1606     {
1607         Mutexed<std::unique_ptr<Config>>::Locked configLocked(mConfig);
1608         const std::unique_ptr<Config> &config = *configLocked;
1609         outputFormat = config->mOutputFormat;
1610         usage = config->mISConfig ? config->mISConfig->mUsage : 0;
1611     }
1612 
1613     sp<PersistentSurface> persistentSurface = CreateCompatibleInputSurface();
1614     sp<hidl::base::V1_0::IBase> hidlTarget = persistentSurface->getHidlTarget();
1615     sp<IInputSurface> hidlInputSurface = IInputSurface::castFrom(hidlTarget);
1616     sp<HGraphicBufferSource> gbs = HGraphicBufferSource::castFrom(hidlTarget);
1617 
1618     if (hidlInputSurface) {
1619         std::shared_ptr<Codec2Client::InputSurface> inputSurface =
1620                 std::make_shared<Codec2Client::InputSurface>(hidlInputSurface);
1621         err = setupInputSurface(std::make_shared<C2InputSurfaceWrapper>(
1622                 inputSurface));
1623         bufferProducer = inputSurface->getGraphicBufferProducer();
1624     } else if (gbs) {
1625         int32_t width = 0;
1626         (void)outputFormat->findInt32("width", &width);
1627         int32_t height = 0;
1628         (void)outputFormat->findInt32("height", &height);
1629         err = setupInputSurface(std::make_shared<GraphicBufferSourceWrapper>(
1630                 gbs, width, height, usage));
1631         bufferProducer = persistentSurface->getBufferProducer();
1632     } else {
1633         ALOGE("Corrupted input surface");
1634         mCallback->onInputSurfaceCreationFailed(UNKNOWN_ERROR);
1635         return;
1636     }
1637 
1638     if (err != OK) {
1639         ALOGE("Failed to set up input surface: %d", err);
1640         mCallback->onInputSurfaceCreationFailed(err);
1641         return;
1642     }
1643 
1644     // Formats can change after setupInputSurface
1645     sp<AMessage> inputFormat;
1646     {
1647         Mutexed<std::unique_ptr<Config>>::Locked configLocked(mConfig);
1648         const std::unique_ptr<Config> &config = *configLocked;
1649         inputFormat = config->mInputFormat;
1650         outputFormat = config->mOutputFormat;
1651     }
1652     mCallback->onInputSurfaceCreated(
1653             inputFormat,
1654             outputFormat,
1655             new BufferProducerWrapper(bufferProducer));
1656 }
1657 
setupInputSurface(const std::shared_ptr<InputSurfaceWrapper> & surface)1658 status_t CCodec::setupInputSurface(const std::shared_ptr<InputSurfaceWrapper> &surface) {
1659     Mutexed<std::unique_ptr<Config>>::Locked configLocked(mConfig);
1660     const std::unique_ptr<Config> &config = *configLocked;
1661     config->mUsingSurface = true;
1662 
1663     // we are now using surface - apply default color aspects to input format - as well as
1664     // get dataspace
1665     bool inputFormatChanged = config->updateFormats(Config::IS_INPUT);
1666 
1667     // configure dataspace
1668     static_assert(sizeof(int32_t) == sizeof(android_dataspace), "dataspace size mismatch");
1669 
1670     // The output format contains app-configured color aspects, and the input format
1671     // has the default color aspects. Use the default for the unspecified params.
1672     ColorAspects inputColorAspects, colorAspects;
1673     getColorAspectsFromFormat(config->mOutputFormat, colorAspects);
1674     getColorAspectsFromFormat(config->mInputFormat, inputColorAspects);
1675     if (colorAspects.mRange == ColorAspects::RangeUnspecified) {
1676         colorAspects.mRange = inputColorAspects.mRange;
1677     }
1678     if (colorAspects.mPrimaries == ColorAspects::PrimariesUnspecified) {
1679         colorAspects.mPrimaries = inputColorAspects.mPrimaries;
1680     }
1681     if (colorAspects.mTransfer == ColorAspects::TransferUnspecified) {
1682         colorAspects.mTransfer = inputColorAspects.mTransfer;
1683     }
1684     if (colorAspects.mMatrixCoeffs == ColorAspects::MatrixUnspecified) {
1685         colorAspects.mMatrixCoeffs = inputColorAspects.mMatrixCoeffs;
1686     }
1687     android_dataspace dataSpace = getDataSpaceForColorAspects(
1688             colorAspects, /* mayExtend = */ false);
1689     surface->setDataSpace(dataSpace);
1690     setColorAspectsIntoFormat(colorAspects, config->mInputFormat, /* force = */ true);
1691     config->mInputFormat->setInt32("android._dataspace", int32_t(dataSpace));
1692 
1693     ALOGD("input format %s to %s",
1694             inputFormatChanged ? "changed" : "unchanged",
1695             config->mInputFormat->debugString().c_str());
1696 
1697     status_t err = mChannel->setInputSurface(surface);
1698     if (err != OK) {
1699         // undo input format update
1700         config->mUsingSurface = false;
1701         (void)config->updateFormats(Config::IS_INPUT);
1702         return err;
1703     }
1704     config->mInputSurface = surface;
1705 
1706     if (config->mISConfig) {
1707         surface->configure(*config->mISConfig);
1708     } else {
1709         ALOGD("ISConfig: no configuration");
1710     }
1711 
1712     return OK;
1713 }
1714 
initiateSetInputSurface(const sp<PersistentSurface> & surface)1715 void CCodec::initiateSetInputSurface(const sp<PersistentSurface> &surface) {
1716     sp<AMessage> msg = new AMessage(kWhatSetInputSurface, this);
1717     msg->setObject("surface", surface);
1718     msg->post();
1719 }
1720 
setInputSurface(const sp<PersistentSurface> & surface)1721 void CCodec::setInputSurface(const sp<PersistentSurface> &surface) {
1722     sp<AMessage> outputFormat;
1723     uint64_t usage = 0;
1724     {
1725         Mutexed<std::unique_ptr<Config>>::Locked configLocked(mConfig);
1726         const std::unique_ptr<Config> &config = *configLocked;
1727         outputFormat = config->mOutputFormat;
1728         usage = config->mISConfig ? config->mISConfig->mUsage : 0;
1729     }
1730     sp<hidl::base::V1_0::IBase> hidlTarget = surface->getHidlTarget();
1731     sp<IInputSurface> inputSurface = IInputSurface::castFrom(hidlTarget);
1732     sp<HGraphicBufferSource> gbs = HGraphicBufferSource::castFrom(hidlTarget);
1733     if (inputSurface) {
1734         status_t err = setupInputSurface(std::make_shared<C2InputSurfaceWrapper>(
1735                 std::make_shared<Codec2Client::InputSurface>(inputSurface)));
1736         if (err != OK) {
1737             ALOGE("Failed to set up input surface: %d", err);
1738             mCallback->onInputSurfaceDeclined(err);
1739             return;
1740         }
1741     } else if (gbs) {
1742         int32_t width = 0;
1743         (void)outputFormat->findInt32("width", &width);
1744         int32_t height = 0;
1745         (void)outputFormat->findInt32("height", &height);
1746         status_t err = setupInputSurface(std::make_shared<GraphicBufferSourceWrapper>(
1747                 gbs, width, height, usage));
1748         if (err != OK) {
1749             ALOGE("Failed to set up input surface: %d", err);
1750             mCallback->onInputSurfaceDeclined(err);
1751             return;
1752         }
1753     } else {
1754         ALOGE("Failed to set input surface: Corrupted surface.");
1755         mCallback->onInputSurfaceDeclined(UNKNOWN_ERROR);
1756         return;
1757     }
1758     // Formats can change after setupInputSurface
1759     sp<AMessage> inputFormat;
1760     {
1761         Mutexed<std::unique_ptr<Config>>::Locked configLocked(mConfig);
1762         const std::unique_ptr<Config> &config = *configLocked;
1763         inputFormat = config->mInputFormat;
1764         outputFormat = config->mOutputFormat;
1765     }
1766     mCallback->onInputSurfaceAccepted(inputFormat, outputFormat);
1767 }
1768 
initiateStart()1769 void CCodec::initiateStart() {
1770     auto setStarting = [this] {
1771         Mutexed<State>::Locked state(mState);
1772         if (state->get() != ALLOCATED) {
1773             return UNKNOWN_ERROR;
1774         }
1775         state->set(STARTING);
1776         return OK;
1777     };
1778     if (tryAndReportOnError(setStarting) != OK) {
1779         return;
1780     }
1781 
1782     (new AMessage(kWhatStart, this))->post();
1783 }
1784 
start()1785 void CCodec::start() {
1786     std::shared_ptr<Codec2Client::Component> comp;
1787     auto checkStarting = [this, &comp] {
1788         Mutexed<State>::Locked state(mState);
1789         if (state->get() != STARTING) {
1790             return UNKNOWN_ERROR;
1791         }
1792         comp = state->comp;
1793         return OK;
1794     };
1795     if (tryAndReportOnError(checkStarting) != OK) {
1796         return;
1797     }
1798 
1799     c2_status_t err = comp->start();
1800     if (err != C2_OK) {
1801         mCallback->onError(toStatusT(err, C2_OPERATION_Component_start),
1802                            ACTION_CODE_FATAL);
1803         return;
1804     }
1805     sp<AMessage> inputFormat;
1806     sp<AMessage> outputFormat;
1807     status_t err2 = OK;
1808     bool buffersBoundToCodec = false;
1809     {
1810         Mutexed<std::unique_ptr<Config>>::Locked configLocked(mConfig);
1811         const std::unique_ptr<Config> &config = *configLocked;
1812         inputFormat = config->mInputFormat;
1813         // start triggers format dup
1814         outputFormat = config->mOutputFormat = config->mOutputFormat->dup();
1815         if (config->mInputSurface) {
1816             err2 = config->mInputSurface->start();
1817             config->mInputSurfaceDataspace = config->mInputSurface->getDataspace();
1818         }
1819         buffersBoundToCodec = config->mBuffersBoundToCodec;
1820     }
1821     if (err2 != OK) {
1822         mCallback->onError(err2, ACTION_CODE_FATAL);
1823         return;
1824     }
1825     err2 = mChannel->start(inputFormat, outputFormat, buffersBoundToCodec);
1826     if (err2 != OK) {
1827         mCallback->onError(err2, ACTION_CODE_FATAL);
1828         return;
1829     }
1830 
1831     auto setRunning = [this] {
1832         Mutexed<State>::Locked state(mState);
1833         if (state->get() != STARTING) {
1834             return UNKNOWN_ERROR;
1835         }
1836         state->set(RUNNING);
1837         return OK;
1838     };
1839     if (tryAndReportOnError(setRunning) != OK) {
1840         return;
1841     }
1842 
1843     // preparation of input buffers may not succeed due to the lack of
1844     // memory; returning correct error code (NO_MEMORY) as an error allows
1845     // MediaCodec to try reclaim and restart codec gracefully.
1846     std::map<size_t, sp<MediaCodecBuffer>> clientInputBuffers;
1847     err2 = mChannel->prepareInitialInputBuffers(&clientInputBuffers);
1848     if (err2 != OK) {
1849         ALOGE("Initial preparation for Input Buffers failed");
1850         mCallback->onError(err2, ACTION_CODE_FATAL);
1851         return;
1852     }
1853 
1854     mCallback->onStartCompleted();
1855 
1856     mChannel->requestInitialInputBuffers(std::move(clientInputBuffers));
1857 }
1858 
initiateShutdown(bool keepComponentAllocated)1859 void CCodec::initiateShutdown(bool keepComponentAllocated) {
1860     if (keepComponentAllocated) {
1861         initiateStop();
1862     } else {
1863         initiateRelease();
1864     }
1865 }
1866 
initiateStop()1867 void CCodec::initiateStop() {
1868     {
1869         Mutexed<State>::Locked state(mState);
1870         if (state->get() == ALLOCATED
1871                 || state->get()  == RELEASED
1872                 || state->get() == STOPPING
1873                 || state->get() == RELEASING) {
1874             // We're already stopped, released, or doing it right now.
1875             state.unlock();
1876             mCallback->onStopCompleted();
1877             state.lock();
1878             return;
1879         }
1880         state->set(STOPPING);
1881     }
1882     mChannel->reset();
1883     bool pushBlankBuffer = mConfig.lock().get()->mPushBlankBuffersOnStop;
1884     sp<AMessage> stopMessage(new AMessage(kWhatStop, this));
1885     stopMessage->setInt32("pushBlankBuffer", pushBlankBuffer);
1886     stopMessage->post();
1887 }
1888 
stop(bool pushBlankBuffer)1889 void CCodec::stop(bool pushBlankBuffer) {
1890     std::shared_ptr<Codec2Client::Component> comp;
1891     {
1892         Mutexed<State>::Locked state(mState);
1893         if (state->get() == RELEASING) {
1894             state.unlock();
1895             // We're already stopped or release is in progress.
1896             mCallback->onStopCompleted();
1897             state.lock();
1898             return;
1899         } else if (state->get() != STOPPING) {
1900             state.unlock();
1901             mCallback->onError(UNKNOWN_ERROR, ACTION_CODE_FATAL);
1902             state.lock();
1903             return;
1904         }
1905         comp = state->comp;
1906     }
1907     status_t err = comp->stop();
1908     mChannel->stopUseOutputSurface(pushBlankBuffer);
1909     if (err != C2_OK) {
1910         // TODO: convert err into status_t
1911         mCallback->onError(UNKNOWN_ERROR, ACTION_CODE_FATAL);
1912     }
1913 
1914     {
1915         Mutexed<std::unique_ptr<Config>>::Locked configLocked(mConfig);
1916         const std::unique_ptr<Config> &config = *configLocked;
1917         if (config->mInputSurface) {
1918             config->mInputSurface->disconnect();
1919             config->mInputSurface = nullptr;
1920             config->mInputSurfaceDataspace = HAL_DATASPACE_UNKNOWN;
1921         }
1922     }
1923     {
1924         Mutexed<State>::Locked state(mState);
1925         if (state->get() == STOPPING) {
1926             state->set(ALLOCATED);
1927         }
1928     }
1929     mCallback->onStopCompleted();
1930 }
1931 
initiateRelease(bool sendCallback)1932 void CCodec::initiateRelease(bool sendCallback /* = true */) {
1933     bool clearInputSurfaceIfNeeded = false;
1934     {
1935         Mutexed<State>::Locked state(mState);
1936         if (state->get() == RELEASED || state->get() == RELEASING) {
1937             // We're already released or doing it right now.
1938             if (sendCallback) {
1939                 state.unlock();
1940                 mCallback->onReleaseCompleted();
1941                 state.lock();
1942             }
1943             return;
1944         }
1945         if (state->get() == ALLOCATING) {
1946             state->set(RELEASING);
1947             // With the altered state allocate() would fail and clean up.
1948             if (sendCallback) {
1949                 state.unlock();
1950                 mCallback->onReleaseCompleted();
1951                 state.lock();
1952             }
1953             return;
1954         }
1955         if (state->get() == STARTING
1956                 || state->get() == RUNNING
1957                 || state->get() == STOPPING) {
1958             // Input surface may have been started, so clean up is needed.
1959             clearInputSurfaceIfNeeded = true;
1960         }
1961         state->set(RELEASING);
1962     }
1963 
1964     if (clearInputSurfaceIfNeeded) {
1965         Mutexed<std::unique_ptr<Config>>::Locked configLocked(mConfig);
1966         const std::unique_ptr<Config> &config = *configLocked;
1967         if (config->mInputSurface) {
1968             config->mInputSurface->disconnect();
1969             config->mInputSurface = nullptr;
1970             config->mInputSurfaceDataspace = HAL_DATASPACE_UNKNOWN;
1971         }
1972     }
1973 
1974     mChannel->reset();
1975     bool pushBlankBuffer = mConfig.lock().get()->mPushBlankBuffersOnStop;
1976     // thiz holds strong ref to this while the thread is running.
1977     sp<CCodec> thiz(this);
1978     std::thread([thiz, sendCallback, pushBlankBuffer]
1979                 { thiz->release(sendCallback, pushBlankBuffer); }).detach();
1980 }
1981 
release(bool sendCallback,bool pushBlankBuffer)1982 void CCodec::release(bool sendCallback, bool pushBlankBuffer) {
1983     std::shared_ptr<Codec2Client::Component> comp;
1984     {
1985         Mutexed<State>::Locked state(mState);
1986         if (state->get() == RELEASED) {
1987             if (sendCallback) {
1988                 state.unlock();
1989                 mCallback->onReleaseCompleted();
1990                 state.lock();
1991             }
1992             return;
1993         }
1994         comp = state->comp;
1995     }
1996     comp->release();
1997     mChannel->stopUseOutputSurface(pushBlankBuffer);
1998 
1999     {
2000         Mutexed<State>::Locked state(mState);
2001         state->set(RELEASED);
2002         state->comp.reset();
2003     }
2004     (new AMessage(kWhatRelease, this))->post();
2005     if (sendCallback) {
2006         mCallback->onReleaseCompleted();
2007     }
2008 }
2009 
setSurface(const sp<Surface> & surface)2010 status_t CCodec::setSurface(const sp<Surface> &surface) {
2011     bool pushBlankBuffer = false;
2012     {
2013         Mutexed<std::unique_ptr<Config>>::Locked configLocked(mConfig);
2014         const std::unique_ptr<Config> &config = *configLocked;
2015         sp<ANativeWindow> nativeWindow = static_cast<ANativeWindow *>(surface.get());
2016         status_t err = OK;
2017 
2018         if (config->mTunneled && config->mSidebandHandle != nullptr) {
2019             err = native_window_set_sideband_stream(
2020                     nativeWindow.get(),
2021                     const_cast<native_handle_t *>(config->mSidebandHandle->handle()));
2022             if (err != OK) {
2023                 ALOGE("NativeWindow(%p) native_window_set_sideband_stream(%p) failed! (err %d).",
2024                         nativeWindow.get(), config->mSidebandHandle->handle(), err);
2025                 return err;
2026             }
2027         } else {
2028             // Explicitly reset the sideband handle of the window for
2029             // non-tunneled video in case the window was previously used
2030             // for a tunneled video playback.
2031             err = native_window_set_sideband_stream(nativeWindow.get(), nullptr);
2032             if (err != OK) {
2033                 ALOGE("native_window_set_sideband_stream(nullptr) failed! (err %d).", err);
2034                 return err;
2035             }
2036         }
2037         pushBlankBuffer = config->mPushBlankBuffersOnStop;
2038     }
2039     return mChannel->setSurface(surface, pushBlankBuffer);
2040 }
2041 
signalFlush()2042 void CCodec::signalFlush() {
2043     status_t err = [this] {
2044         Mutexed<State>::Locked state(mState);
2045         if (state->get() == FLUSHED) {
2046             return ALREADY_EXISTS;
2047         }
2048         if (state->get() != RUNNING) {
2049             return UNKNOWN_ERROR;
2050         }
2051         state->set(FLUSHING);
2052         return OK;
2053     }();
2054     switch (err) {
2055         case ALREADY_EXISTS:
2056             mCallback->onFlushCompleted();
2057             return;
2058         case OK:
2059             break;
2060         default:
2061             mCallback->onError(err, ACTION_CODE_FATAL);
2062             return;
2063     }
2064 
2065     mChannel->stop();
2066     (new AMessage(kWhatFlush, this))->post();
2067 }
2068 
flush()2069 void CCodec::flush() {
2070     std::shared_ptr<Codec2Client::Component> comp;
2071     auto checkFlushing = [this, &comp] {
2072         Mutexed<State>::Locked state(mState);
2073         if (state->get() != FLUSHING) {
2074             return UNKNOWN_ERROR;
2075         }
2076         comp = state->comp;
2077         return OK;
2078     };
2079     if (tryAndReportOnError(checkFlushing) != OK) {
2080         return;
2081     }
2082 
2083     std::list<std::unique_ptr<C2Work>> flushedWork;
2084     c2_status_t err = comp->flush(C2Component::FLUSH_COMPONENT, &flushedWork);
2085     {
2086         Mutexed<std::list<std::unique_ptr<C2Work>>>::Locked queue(mWorkDoneQueue);
2087         flushedWork.splice(flushedWork.end(), *queue);
2088     }
2089     if (err != C2_OK) {
2090         // TODO: convert err into status_t
2091         mCallback->onError(UNKNOWN_ERROR, ACTION_CODE_FATAL);
2092     }
2093 
2094     mChannel->flush(flushedWork);
2095 
2096     {
2097         Mutexed<State>::Locked state(mState);
2098         if (state->get() == FLUSHING) {
2099             state->set(FLUSHED);
2100         }
2101     }
2102     mCallback->onFlushCompleted();
2103 }
2104 
signalResume()2105 void CCodec::signalResume() {
2106     std::shared_ptr<Codec2Client::Component> comp;
2107     auto setResuming = [this, &comp] {
2108         Mutexed<State>::Locked state(mState);
2109         if (state->get() != FLUSHED) {
2110             return UNKNOWN_ERROR;
2111         }
2112         state->set(RESUMING);
2113         comp = state->comp;
2114         return OK;
2115     };
2116     if (tryAndReportOnError(setResuming) != OK) {
2117         return;
2118     }
2119 
2120     {
2121         Mutexed<std::unique_ptr<Config>>::Locked configLocked(mConfig);
2122         const std::unique_ptr<Config> &config = *configLocked;
2123         sp<AMessage> outputFormat = config->mOutputFormat;
2124         config->queryConfiguration(comp);
2125         RevertOutputFormatIfNeeded(outputFormat, config->mOutputFormat);
2126     }
2127 
2128     (void)mChannel->start(nullptr, nullptr, [&]{
2129         Mutexed<std::unique_ptr<Config>>::Locked configLocked(mConfig);
2130         const std::unique_ptr<Config> &config = *configLocked;
2131         return config->mBuffersBoundToCodec;
2132     }());
2133 
2134     {
2135         Mutexed<State>::Locked state(mState);
2136         if (state->get() != RESUMING) {
2137             state.unlock();
2138             mCallback->onError(UNKNOWN_ERROR, ACTION_CODE_FATAL);
2139             state.lock();
2140             return;
2141         }
2142         state->set(RUNNING);
2143     }
2144 
2145     std::map<size_t, sp<MediaCodecBuffer>> clientInputBuffers;
2146     status_t err = mChannel->prepareInitialInputBuffers(&clientInputBuffers);
2147     // FIXME(b/237656746)
2148     if (err != OK && err != NO_MEMORY) {
2149         ALOGE("Resume request for Input Buffers failed");
2150         mCallback->onError(err, ACTION_CODE_FATAL);
2151         return;
2152     }
2153     mChannel->requestInitialInputBuffers(std::move(clientInputBuffers));
2154 }
2155 
signalSetParameters(const sp<AMessage> & msg)2156 void CCodec::signalSetParameters(const sp<AMessage> &msg) {
2157     std::shared_ptr<Codec2Client::Component> comp;
2158     auto checkState = [this, &comp] {
2159         Mutexed<State>::Locked state(mState);
2160         if (state->get() == RELEASED) {
2161             return INVALID_OPERATION;
2162         }
2163         comp = state->comp;
2164         return OK;
2165     };
2166     if (tryAndReportOnError(checkState) != OK) {
2167         return;
2168     }
2169 
2170     // NOTE: We used to ignore "bitrate" at setParameters; replicate
2171     //       the behavior here.
2172     sp<AMessage> params = msg;
2173     int32_t bitrate;
2174     if (params->findInt32(KEY_BIT_RATE, &bitrate)) {
2175         params = msg->dup();
2176         params->removeEntryAt(params->findEntryByName(KEY_BIT_RATE));
2177     }
2178 
2179     int32_t syncId = 0;
2180     if (params->findInt32("audio-hw-sync", &syncId)
2181             || params->findInt32("hw-av-sync-id", &syncId)) {
2182         configureTunneledVideoPlayback(comp, nullptr, params);
2183     }
2184 
2185     Mutexed<std::unique_ptr<Config>>::Locked configLocked(mConfig);
2186     const std::unique_ptr<Config> &config = *configLocked;
2187 
2188     /**
2189      * Handle input surface parameters
2190      */
2191     if ((config->mDomain & (Config::IS_VIDEO | Config::IS_IMAGE))
2192             && (config->mDomain & Config::IS_ENCODER)
2193             && config->mInputSurface && config->mISConfig) {
2194         (void)params->findInt64(PARAMETER_KEY_OFFSET_TIME, &config->mISConfig->mTimeOffsetUs);
2195 
2196         if (params->findInt64("skip-frames-before", &config->mISConfig->mStartAtUs)) {
2197             config->mISConfig->mStopped = false;
2198         } else if (params->findInt64("stop-time-us", &config->mISConfig->mStopAtUs)) {
2199             config->mISConfig->mStopped = true;
2200         }
2201 
2202         int32_t value;
2203         if (params->findInt32(PARAMETER_KEY_SUSPEND, &value)) {
2204             config->mISConfig->mSuspended = value;
2205             config->mISConfig->mSuspendAtUs = -1;
2206             (void)params->findInt64(PARAMETER_KEY_SUSPEND_TIME, &config->mISConfig->mSuspendAtUs);
2207         }
2208 
2209         (void)config->mInputSurface->configure(*config->mISConfig);
2210         if (config->mISConfig->mStopped) {
2211             config->mInputFormat->setInt64(
2212                     "android._stop-time-offset-us", config->mISConfig->mInputDelayUs);
2213         }
2214     }
2215 
2216     std::vector<std::unique_ptr<C2Param>> configUpdate;
2217     (void)config->getConfigUpdateFromSdkParams(
2218             comp, params, Config::IS_PARAM, C2_MAY_BLOCK, &configUpdate);
2219     // Prefer to pass parameters to the buffer channel, so they can be synchronized with the frames.
2220     // Parameter synchronization is not defined when using input surface. For now, route
2221     // these directly to the component.
2222     if (config->mInputSurface == nullptr
2223             && (property_get_bool("debug.stagefright.ccodec_delayed_params", false)
2224                     || comp->getName().find("c2.android.") == 0)) {
2225         mChannel->setParameters(configUpdate);
2226     } else {
2227         sp<AMessage> outputFormat = config->mOutputFormat;
2228         (void)config->setParameters(comp, configUpdate, C2_MAY_BLOCK);
2229         RevertOutputFormatIfNeeded(outputFormat, config->mOutputFormat);
2230     }
2231 }
2232 
signalEndOfInputStream()2233 void CCodec::signalEndOfInputStream() {
2234     mCallback->onSignaledInputEOS(mChannel->signalEndOfInputStream());
2235 }
2236 
signalRequestIDRFrame()2237 void CCodec::signalRequestIDRFrame() {
2238     std::shared_ptr<Codec2Client::Component> comp;
2239     {
2240         Mutexed<State>::Locked state(mState);
2241         if (state->get() == RELEASED) {
2242             ALOGD("no IDR request sent since component is released");
2243             return;
2244         }
2245         comp = state->comp;
2246     }
2247     ALOGV("request IDR");
2248     Mutexed<std::unique_ptr<Config>>::Locked configLocked(mConfig);
2249     const std::unique_ptr<Config> &config = *configLocked;
2250     std::vector<std::unique_ptr<C2Param>> params;
2251     params.push_back(
2252             std::make_unique<C2StreamRequestSyncFrameTuning::output>(0u, true));
2253     config->setParameters(comp, params, C2_MAY_BLOCK);
2254 }
2255 
querySupportedParameters(std::vector<std::string> * names)2256 status_t CCodec::querySupportedParameters(std::vector<std::string> *names) {
2257     Mutexed<std::unique_ptr<Config>>::Locked configLocked(mConfig);
2258     const std::unique_ptr<Config> &config = *configLocked;
2259     return config->querySupportedParameters(names);
2260 }
2261 
describeParameter(const std::string & name,CodecParameterDescriptor * desc)2262 status_t CCodec::describeParameter(
2263         const std::string &name, CodecParameterDescriptor *desc) {
2264     Mutexed<std::unique_ptr<Config>>::Locked configLocked(mConfig);
2265     const std::unique_ptr<Config> &config = *configLocked;
2266     return config->describe(name, desc);
2267 }
2268 
subscribeToParameters(const std::vector<std::string> & names)2269 status_t CCodec::subscribeToParameters(const std::vector<std::string> &names) {
2270     std::shared_ptr<Codec2Client::Component> comp = mState.lock()->comp;
2271     if (!comp) {
2272         return INVALID_OPERATION;
2273     }
2274     Mutexed<std::unique_ptr<Config>>::Locked configLocked(mConfig);
2275     const std::unique_ptr<Config> &config = *configLocked;
2276     return config->subscribeToVendorConfigUpdate(comp, names);
2277 }
2278 
unsubscribeFromParameters(const std::vector<std::string> & names)2279 status_t CCodec::unsubscribeFromParameters(const std::vector<std::string> &names) {
2280     std::shared_ptr<Codec2Client::Component> comp = mState.lock()->comp;
2281     if (!comp) {
2282         return INVALID_OPERATION;
2283     }
2284     Mutexed<std::unique_ptr<Config>>::Locked configLocked(mConfig);
2285     const std::unique_ptr<Config> &config = *configLocked;
2286     return config->unsubscribeFromVendorConfigUpdate(comp, names);
2287 }
2288 
onWorkDone(std::list<std::unique_ptr<C2Work>> & workItems)2289 void CCodec::onWorkDone(std::list<std::unique_ptr<C2Work>> &workItems) {
2290     if (!workItems.empty()) {
2291         Mutexed<std::list<std::unique_ptr<C2Work>>>::Locked queue(mWorkDoneQueue);
2292         queue->splice(queue->end(), workItems);
2293     }
2294     (new AMessage(kWhatWorkDone, this))->post();
2295 }
2296 
onInputBufferDone(uint64_t frameIndex,size_t arrayIndex)2297 void CCodec::onInputBufferDone(uint64_t frameIndex, size_t arrayIndex) {
2298     mChannel->onInputBufferDone(frameIndex, arrayIndex);
2299     if (arrayIndex == 0) {
2300         // We always put no more than one buffer per work, if we use an input surface.
2301         Mutexed<std::unique_ptr<Config>>::Locked configLocked(mConfig);
2302         const std::unique_ptr<Config> &config = *configLocked;
2303         if (config->mInputSurface) {
2304             config->mInputSurface->onInputBufferDone(frameIndex);
2305         }
2306     }
2307 }
2308 
onMessageReceived(const sp<AMessage> & msg)2309 void CCodec::onMessageReceived(const sp<AMessage> &msg) {
2310     TimePoint now = std::chrono::steady_clock::now();
2311     CCodecWatchdog::getInstance()->watch(this);
2312     switch (msg->what()) {
2313         case kWhatAllocate: {
2314             // C2ComponentStore::createComponent() should return within 100ms.
2315             setDeadline(now, 1500ms, "allocate");
2316             sp<RefBase> obj;
2317             CHECK(msg->findObject("codecInfo", &obj));
2318             allocate((MediaCodecInfo *)obj.get());
2319             break;
2320         }
2321         case kWhatConfigure: {
2322             // C2Component::commit_sm() should return within 5ms.
2323             setDeadline(now, 1500ms, "configure");
2324             sp<AMessage> format;
2325             CHECK(msg->findMessage("format", &format));
2326             configure(format);
2327             break;
2328         }
2329         case kWhatStart: {
2330             // C2Component::start() should return within 500ms.
2331             setDeadline(now, 1500ms, "start");
2332             start();
2333             break;
2334         }
2335         case kWhatStop: {
2336             // C2Component::stop() should return within 500ms.
2337             setDeadline(now, 1500ms, "stop");
2338             int32_t pushBlankBuffer;
2339             if (!msg->findInt32("pushBlankBuffer", &pushBlankBuffer)) {
2340                 pushBlankBuffer = 0;
2341             }
2342             stop(static_cast<bool>(pushBlankBuffer));
2343             break;
2344         }
2345         case kWhatFlush: {
2346             // C2Component::flush_sm() should return within 5ms.
2347             setDeadline(now, 1500ms, "flush");
2348             flush();
2349             break;
2350         }
2351         case kWhatRelease: {
2352             mChannel->release();
2353             mClient.reset();
2354             mClientListener.reset();
2355             break;
2356         }
2357         case kWhatCreateInputSurface: {
2358             // Surface operations may be briefly blocking.
2359             setDeadline(now, 1500ms, "createInputSurface");
2360             createInputSurface();
2361             break;
2362         }
2363         case kWhatSetInputSurface: {
2364             // Surface operations may be briefly blocking.
2365             setDeadline(now, 1500ms, "setInputSurface");
2366             sp<RefBase> obj;
2367             CHECK(msg->findObject("surface", &obj));
2368             sp<PersistentSurface> surface(static_cast<PersistentSurface *>(obj.get()));
2369             setInputSurface(surface);
2370             break;
2371         }
2372         case kWhatWorkDone: {
2373             std::unique_ptr<C2Work> work;
2374             bool shouldPost = false;
2375             {
2376                 Mutexed<std::list<std::unique_ptr<C2Work>>>::Locked queue(mWorkDoneQueue);
2377                 if (queue->empty()) {
2378                     break;
2379                 }
2380                 work.swap(queue->front());
2381                 queue->pop_front();
2382                 shouldPost = !queue->empty();
2383             }
2384             if (shouldPost) {
2385                 (new AMessage(kWhatWorkDone, this))->post();
2386             }
2387 
2388             // handle configuration changes in work done
2389             std::shared_ptr<const C2StreamInitDataInfo::output> initData;
2390             sp<AMessage> outputFormat = nullptr;
2391             {
2392                 Mutexed<std::unique_ptr<Config>>::Locked configLocked(mConfig);
2393                 const std::unique_ptr<Config> &config = *configLocked;
2394                 Config::Watcher<C2StreamInitDataInfo::output> initDataWatcher =
2395                     config->watch<C2StreamInitDataInfo::output>();
2396                 if (!work->worklets.empty()
2397                         && (work->worklets.front()->output.flags
2398                                 & C2FrameData::FLAG_DISCARD_FRAME) == 0) {
2399 
2400                     // copy buffer info to config
2401                     std::vector<std::unique_ptr<C2Param>> updates;
2402                     for (const std::unique_ptr<C2Param> &param
2403                             : work->worklets.front()->output.configUpdate) {
2404                         updates.push_back(C2Param::Copy(*param));
2405                     }
2406                     unsigned stream = 0;
2407                     std::vector<std::shared_ptr<C2Buffer>> &outputBuffers =
2408                         work->worklets.front()->output.buffers;
2409                     for (const std::shared_ptr<C2Buffer> &buf : outputBuffers) {
2410                         for (const std::shared_ptr<const C2Info> &info : buf->info()) {
2411                             // move all info into output-stream #0 domain
2412                             updates.emplace_back(
2413                                     C2Param::CopyAsStream(*info, true /* output */, stream));
2414                         }
2415 
2416                         const std::vector<C2ConstGraphicBlock> blocks = buf->data().graphicBlocks();
2417                         // for now only do the first block
2418                         if (!blocks.empty()) {
2419                             // ALOGV("got output buffer with crop %u,%u+%u,%u and size %u,%u",
2420                             //      block.crop().left, block.crop().top,
2421                             //      block.crop().width, block.crop().height,
2422                             //      block.width(), block.height());
2423                             const C2ConstGraphicBlock &block = blocks[0];
2424                             updates.emplace_back(new C2StreamCropRectInfo::output(
2425                                     stream, block.crop()));
2426                         }
2427                         ++stream;
2428                     }
2429 
2430                     sp<AMessage> oldFormat = config->mOutputFormat;
2431                     config->updateConfiguration(updates, config->mOutputDomain);
2432                     RevertOutputFormatIfNeeded(oldFormat, config->mOutputFormat);
2433 
2434                     // copy standard infos to graphic buffers if not already present (otherwise, we
2435                     // may overwrite the actual intermediate value with a final value)
2436                     stream = 0;
2437                     const static C2Param::Index stdGfxInfos[] = {
2438                         C2StreamRotationInfo::output::PARAM_TYPE,
2439                         C2StreamColorAspectsInfo::output::PARAM_TYPE,
2440                         C2StreamDataSpaceInfo::output::PARAM_TYPE,
2441                         C2StreamHdrStaticInfo::output::PARAM_TYPE,
2442                         C2StreamHdr10PlusInfo::output::PARAM_TYPE,  // will be deprecated
2443                         C2StreamHdrDynamicMetadataInfo::output::PARAM_TYPE,
2444                         C2StreamPixelAspectRatioInfo::output::PARAM_TYPE,
2445                         C2StreamSurfaceScalingInfo::output::PARAM_TYPE
2446                     };
2447                     for (const std::shared_ptr<C2Buffer> &buf : outputBuffers) {
2448                         if (buf->data().graphicBlocks().size()) {
2449                             for (C2Param::Index ix : stdGfxInfos) {
2450                                 if (!buf->hasInfo(ix)) {
2451                                     const C2Param *param =
2452                                         config->getConfigParameterValue(ix.withStream(stream));
2453                                     if (param) {
2454                                         std::shared_ptr<C2Param> info(C2Param::Copy(*param));
2455                                         buf->setInfo(std::static_pointer_cast<C2Info>(info));
2456                                     }
2457                                 }
2458                             }
2459                         }
2460                         ++stream;
2461                     }
2462                 }
2463                 if (config->mInputSurface) {
2464                     if (work->worklets.empty()
2465                            || !work->worklets.back()
2466                            || (work->worklets.back()->output.flags
2467                                   & C2FrameData::FLAG_INCOMPLETE) == 0) {
2468                         config->mInputSurface->onInputBufferDone(work->input.ordinal.frameIndex);
2469                     }
2470                 }
2471                 if (initDataWatcher.hasChanged()) {
2472                     initData = initDataWatcher.update();
2473                     AmendOutputFormatWithCodecSpecificData(
2474                             initData->m.value, initData->flexCount(), config->mCodingMediaType,
2475                             config->mOutputFormat);
2476                 }
2477                 outputFormat = config->mOutputFormat;
2478             }
2479             mChannel->onWorkDone(
2480                     std::move(work), outputFormat, initData ? initData.get() : nullptr);
2481             break;
2482         }
2483         case kWhatWatch: {
2484             // watch message already posted; no-op.
2485             break;
2486         }
2487         default: {
2488             ALOGE("unrecognized message");
2489             break;
2490         }
2491     }
2492     setDeadline(TimePoint::max(), 0ms, "none");
2493 }
2494 
setDeadline(const TimePoint & now,const std::chrono::milliseconds & timeout,const char * name)2495 void CCodec::setDeadline(
2496         const TimePoint &now,
2497         const std::chrono::milliseconds &timeout,
2498         const char *name) {
2499     int32_t mult = std::max(1, property_get_int32("debug.stagefright.ccodec_timeout_mult", 1));
2500     Mutexed<NamedTimePoint>::Locked deadline(mDeadline);
2501     deadline->set(now + (timeout * mult), name);
2502 }
2503 
configureTunneledVideoPlayback(std::shared_ptr<Codec2Client::Component> comp,sp<NativeHandle> * sidebandHandle,const sp<AMessage> & msg)2504 status_t CCodec::configureTunneledVideoPlayback(
2505         std::shared_ptr<Codec2Client::Component> comp,
2506         sp<NativeHandle> *sidebandHandle,
2507         const sp<AMessage> &msg) {
2508     std::vector<std::unique_ptr<C2SettingResult>> failures;
2509 
2510     std::unique_ptr<C2PortTunneledModeTuning::output> tunneledPlayback =
2511         C2PortTunneledModeTuning::output::AllocUnique(
2512             1,
2513             C2PortTunneledModeTuning::Struct::SIDEBAND,
2514             C2PortTunneledModeTuning::Struct::REALTIME,
2515             0);
2516     // TODO: use KEY_AUDIO_HW_SYNC, KEY_HARDWARE_AV_SYNC_ID when they are in MediaCodecConstants.h
2517     if (msg->findInt32("audio-hw-sync", &tunneledPlayback->m.syncId[0])) {
2518         tunneledPlayback->m.syncType = C2PortTunneledModeTuning::Struct::sync_type_t::AUDIO_HW_SYNC;
2519     } else if (msg->findInt32("hw-av-sync-id", &tunneledPlayback->m.syncId[0])) {
2520         tunneledPlayback->m.syncType = C2PortTunneledModeTuning::Struct::sync_type_t::HW_AV_SYNC;
2521     } else {
2522         tunneledPlayback->m.syncType = C2PortTunneledModeTuning::Struct::sync_type_t::REALTIME;
2523         tunneledPlayback->setFlexCount(0);
2524     }
2525     c2_status_t c2err = comp->config({ tunneledPlayback.get() }, C2_MAY_BLOCK, &failures);
2526     if (c2err != C2_OK) {
2527         return UNKNOWN_ERROR;
2528     }
2529 
2530     if (sidebandHandle == nullptr) {
2531         return OK;
2532     }
2533 
2534     std::vector<std::unique_ptr<C2Param>> params;
2535     c2err = comp->query({}, {C2PortTunnelHandleTuning::output::PARAM_TYPE}, C2_DONT_BLOCK, &params);
2536     if (c2err == C2_OK && params.size() == 1u) {
2537         C2PortTunnelHandleTuning::output *videoTunnelSideband =
2538             C2PortTunnelHandleTuning::output::From(params[0].get());
2539         // Currently, Codec2 only supports non-fd case for sideband native_handle.
2540         native_handle_t *handle = native_handle_create(0, videoTunnelSideband->flexCount());
2541         *sidebandHandle = NativeHandle::create(handle, true /* ownsHandle */);
2542         if (handle != nullptr && videoTunnelSideband->flexCount()) {
2543             memcpy(handle->data, videoTunnelSideband->m.values,
2544                     sizeof(int32_t) * videoTunnelSideband->flexCount());
2545             return OK;
2546         } else {
2547             return NO_MEMORY;
2548         }
2549     }
2550     return UNKNOWN_ERROR;
2551 }
2552 
initiateReleaseIfStuck()2553 void CCodec::initiateReleaseIfStuck() {
2554     std::string name;
2555     bool pendingDeadline = false;
2556     {
2557         Mutexed<NamedTimePoint>::Locked deadline(mDeadline);
2558         if (deadline->get() < std::chrono::steady_clock::now()) {
2559             name = deadline->getName();
2560         }
2561         if (deadline->get() != TimePoint::max()) {
2562             pendingDeadline = true;
2563         }
2564     }
2565     bool tunneled = false;
2566     bool isMediaTypeKnown = false;
2567     {
2568         static const std::set<std::string> kKnownMediaTypes{
2569             MIMETYPE_VIDEO_VP8,
2570             MIMETYPE_VIDEO_VP9,
2571             MIMETYPE_VIDEO_AV1,
2572             MIMETYPE_VIDEO_AVC,
2573             MIMETYPE_VIDEO_HEVC,
2574             MIMETYPE_VIDEO_MPEG4,
2575             MIMETYPE_VIDEO_H263,
2576             MIMETYPE_VIDEO_MPEG2,
2577             MIMETYPE_VIDEO_RAW,
2578             MIMETYPE_VIDEO_DOLBY_VISION,
2579 
2580             MIMETYPE_AUDIO_AMR_NB,
2581             MIMETYPE_AUDIO_AMR_WB,
2582             MIMETYPE_AUDIO_MPEG,
2583             MIMETYPE_AUDIO_AAC,
2584             MIMETYPE_AUDIO_QCELP,
2585             MIMETYPE_AUDIO_VORBIS,
2586             MIMETYPE_AUDIO_OPUS,
2587             MIMETYPE_AUDIO_G711_ALAW,
2588             MIMETYPE_AUDIO_G711_MLAW,
2589             MIMETYPE_AUDIO_RAW,
2590             MIMETYPE_AUDIO_FLAC,
2591             MIMETYPE_AUDIO_MSGSM,
2592             MIMETYPE_AUDIO_AC3,
2593             MIMETYPE_AUDIO_EAC3,
2594 
2595             MIMETYPE_IMAGE_ANDROID_HEIC,
2596         };
2597         Mutexed<std::unique_ptr<Config>>::Locked configLocked(mConfig);
2598         const std::unique_ptr<Config> &config = *configLocked;
2599         tunneled = config->mTunneled;
2600         isMediaTypeKnown = (kKnownMediaTypes.count(config->mCodingMediaType) != 0);
2601     }
2602     if (!tunneled && isMediaTypeKnown && name.empty()) {
2603         constexpr std::chrono::steady_clock::duration kWorkDurationThreshold = 3s;
2604         std::chrono::steady_clock::duration elapsed = mChannel->elapsed();
2605         if (elapsed >= kWorkDurationThreshold) {
2606             name = "queue";
2607         }
2608         if (elapsed > 0s) {
2609             pendingDeadline = true;
2610         }
2611     }
2612     if (name.empty()) {
2613         // We're not stuck.
2614         if (pendingDeadline) {
2615             // If we are not stuck yet but still has deadline coming up,
2616             // post watch message to check back later.
2617             (new AMessage(kWhatWatch, this))->post();
2618         }
2619         return;
2620     }
2621 
2622     C2String compName;
2623     {
2624         Mutexed<State>::Locked state(mState);
2625         if (!state->comp) {
2626             ALOGD("previous call to %s exceeded timeout "
2627                   "and the component is already released", name.c_str());
2628             return;
2629         }
2630         compName = state->comp->getName();
2631     }
2632     ALOGW("[%s] previous call to %s exceeded timeout", compName.c_str(), name.c_str());
2633 
2634     initiateRelease(false);
2635     mCallback->onError(UNKNOWN_ERROR, ACTION_CODE_FATAL);
2636 }
2637 
2638 // static
CreateInputSurface()2639 PersistentSurface *CCodec::CreateInputSurface() {
2640     using namespace android;
2641     using ::android::hardware::media::omx::V1_0::implementation::TWGraphicBufferSource;
2642     // Attempt to create a Codec2's input surface.
2643     std::shared_ptr<Codec2Client::InputSurface> inputSurface =
2644             Codec2Client::CreateInputSurface();
2645     if (!inputSurface) {
2646         if (property_get_int32("debug.stagefright.c2inputsurface", 0) == -1) {
2647             sp<IGraphicBufferProducer> gbp;
2648             sp<OmxGraphicBufferSource> gbs = new OmxGraphicBufferSource();
2649             status_t err = gbs->initCheck();
2650             if (err != OK) {
2651                 ALOGE("Failed to create persistent input surface: error %d", err);
2652                 return nullptr;
2653             }
2654             return new PersistentSurface(
2655                     gbs->getIGraphicBufferProducer(), new TWGraphicBufferSource(gbs));
2656         } else {
2657             return nullptr;
2658         }
2659     }
2660     return new PersistentSurface(
2661             inputSurface->getGraphicBufferProducer(),
2662             static_cast<sp<android::hidl::base::V1_0::IBase>>(
2663             inputSurface->getHalInterface()));
2664 }
2665 
2666 class IntfCache {
2667 public:
2668     IntfCache() = default;
2669 
init(const std::string & name)2670     status_t init(const std::string &name) {
2671         std::shared_ptr<Codec2Client::Interface> intf{
2672             Codec2Client::CreateInterfaceByName(name.c_str())};
2673         if (!intf) {
2674             ALOGW("IntfCache [%s]: Unrecognized interface name", name.c_str());
2675             mInitStatus = NO_INIT;
2676             return NO_INIT;
2677         }
2678         const static C2StreamUsageTuning::input sUsage{0u /* stream id */};
2679         mFields.push_back(C2FieldSupportedValuesQuery::Possible(
2680                 C2ParamField{&sUsage, &sUsage.value}));
2681         c2_status_t err = intf->querySupportedValues(mFields, C2_MAY_BLOCK);
2682         if (err != C2_OK) {
2683             ALOGW("IntfCache [%s]: failed to query usage supported value (err=%d)",
2684                     name.c_str(), err);
2685             mFields[0].status = err;
2686         }
2687         std::vector<std::unique_ptr<C2Param>> params;
2688         err = intf->query(
2689                 {&mApiFeatures},
2690                 {
2691                     C2StreamBufferTypeSetting::input::PARAM_TYPE,
2692                     C2PortAllocatorsTuning::input::PARAM_TYPE
2693                 },
2694                 C2_MAY_BLOCK,
2695                 &params);
2696         if (err != C2_OK && err != C2_BAD_INDEX) {
2697             ALOGW("IntfCache [%s]: failed to query api features (err=%d)",
2698                     name.c_str(), err);
2699         }
2700         while (!params.empty()) {
2701             C2Param *param = params.back().release();
2702             params.pop_back();
2703             if (!param) {
2704                 continue;
2705             }
2706             if (param->type() == C2StreamBufferTypeSetting::input::PARAM_TYPE) {
2707                 mInputStreamFormat.reset(
2708                         C2StreamBufferTypeSetting::input::From(param));
2709             } else if (param->type() == C2PortAllocatorsTuning::input::PARAM_TYPE) {
2710                 mInputAllocators.reset(
2711                         C2PortAllocatorsTuning::input::From(param));
2712             }
2713         }
2714         mInitStatus = OK;
2715         return OK;
2716     }
2717 
initCheck() const2718     status_t initCheck() const { return mInitStatus; }
2719 
getUsageSupportedValues() const2720     const C2FieldSupportedValuesQuery &getUsageSupportedValues() const {
2721         CHECK_EQ(1u, mFields.size());
2722         return mFields[0];
2723     }
2724 
getApiFeatures() const2725     const C2ApiFeaturesSetting &getApiFeatures() const {
2726         return mApiFeatures;
2727     }
2728 
getInputStreamFormat() const2729     const C2StreamBufferTypeSetting::input &getInputStreamFormat() const {
2730         static std::unique_ptr<C2StreamBufferTypeSetting::input> sInvalidated = []{
2731             std::unique_ptr<C2StreamBufferTypeSetting::input> param;
2732             param.reset(new C2StreamBufferTypeSetting::input(0u, C2BufferData::INVALID));
2733             param->invalidate();
2734             return param;
2735         }();
2736         return mInputStreamFormat ? *mInputStreamFormat : *sInvalidated;
2737     }
2738 
getInputAllocators() const2739     const C2PortAllocatorsTuning::input &getInputAllocators() const {
2740         static std::unique_ptr<C2PortAllocatorsTuning::input> sInvalidated = []{
2741             std::unique_ptr<C2PortAllocatorsTuning::input> param =
2742                 C2PortAllocatorsTuning::input::AllocUnique(0);
2743             param->invalidate();
2744             return param;
2745         }();
2746         return mInputAllocators ? *mInputAllocators : *sInvalidated;
2747     }
2748 
2749 private:
2750     status_t mInitStatus{NO_INIT};
2751 
2752     std::vector<C2FieldSupportedValuesQuery> mFields;
2753     C2ApiFeaturesSetting mApiFeatures;
2754     std::unique_ptr<C2StreamBufferTypeSetting::input> mInputStreamFormat;
2755     std::unique_ptr<C2PortAllocatorsTuning::input> mInputAllocators;
2756 };
2757 
GetIntfCache(const std::string & name)2758 static const IntfCache &GetIntfCache(const std::string &name) {
2759     static IntfCache sNullIntfCache;
2760     static std::mutex sMutex;
2761     static std::map<std::string, IntfCache> sCache;
2762     std::unique_lock<std::mutex> lock{sMutex};
2763     auto it = sCache.find(name);
2764     if (it == sCache.end()) {
2765         lock.unlock();
2766         IntfCache intfCache;
2767         status_t err = intfCache.init(name);
2768         if (err != OK) {
2769             return sNullIntfCache;
2770         }
2771         lock.lock();
2772         it = sCache.insert({name, std::move(intfCache)}).first;
2773     }
2774     return it->second;
2775 }
2776 
GetCommonAllocatorIds(const std::vector<std::string> & names,C2Allocator::type_t type,std::set<C2Allocator::id_t> * ids)2777 static status_t GetCommonAllocatorIds(
2778         const std::vector<std::string> &names,
2779         C2Allocator::type_t type,
2780         std::set<C2Allocator::id_t> *ids) {
2781     int poolMask = GetCodec2PoolMask();
2782     C2PlatformAllocatorStore::id_t preferredLinearId = GetPreferredLinearAllocatorId(poolMask);
2783     C2Allocator::id_t defaultAllocatorId =
2784         (type == C2Allocator::LINEAR) ? preferredLinearId : C2PlatformAllocatorStore::GRALLOC;
2785 
2786     ids->clear();
2787     if (names.empty()) {
2788         return OK;
2789     }
2790     bool firstIteration = true;
2791     for (const std::string &name : names) {
2792         const IntfCache &intfCache = GetIntfCache(name);
2793         if (intfCache.initCheck() != OK) {
2794             continue;
2795         }
2796         const C2StreamBufferTypeSetting::input &streamFormat = intfCache.getInputStreamFormat();
2797         if (streamFormat) {
2798             C2Allocator::type_t allocatorType = C2Allocator::LINEAR;
2799             if (streamFormat.value == C2BufferData::GRAPHIC
2800                     || streamFormat.value == C2BufferData::GRAPHIC_CHUNKS) {
2801                 allocatorType = C2Allocator::GRAPHIC;
2802             }
2803 
2804             if (type != allocatorType) {
2805                 // requested type is not supported at input allocators
2806                 ids->clear();
2807                 ids->insert(defaultAllocatorId);
2808                 ALOGV("name(%s) does not support a type(0x%x) as input allocator."
2809                         " uses default allocator id(%d)", name.c_str(), type, defaultAllocatorId);
2810                 break;
2811             }
2812         }
2813 
2814         const C2PortAllocatorsTuning::input &allocators = intfCache.getInputAllocators();
2815         if (firstIteration) {
2816             firstIteration = false;
2817             if (allocators && allocators.flexCount() > 0) {
2818                 ids->insert(allocators.m.values,
2819                             allocators.m.values + allocators.flexCount());
2820             }
2821             if (ids->empty()) {
2822                 // The component does not advertise allocators. Use default.
2823                 ids->insert(defaultAllocatorId);
2824             }
2825             continue;
2826         }
2827         bool filtered = false;
2828         if (allocators && allocators.flexCount() > 0) {
2829             filtered = true;
2830             for (auto it = ids->begin(); it != ids->end(); ) {
2831                 bool found = false;
2832                 for (size_t j = 0; j < allocators.flexCount(); ++j) {
2833                     if (allocators.m.values[j] == *it) {
2834                         found = true;
2835                         break;
2836                     }
2837                 }
2838                 if (found) {
2839                     ++it;
2840                 } else {
2841                     it = ids->erase(it);
2842                 }
2843             }
2844         }
2845         if (!filtered) {
2846             // The component does not advertise supported allocators. Use default.
2847             bool containsDefault = (ids->count(defaultAllocatorId) > 0u);
2848             if (ids->size() != (containsDefault ? 1 : 0)) {
2849                 ids->clear();
2850                 if (containsDefault) {
2851                     ids->insert(defaultAllocatorId);
2852                 }
2853             }
2854         }
2855     }
2856     // Finally, filter with pool masks
2857     for (auto it = ids->begin(); it != ids->end(); ) {
2858         if ((poolMask >> *it) & 1) {
2859             ++it;
2860         } else {
2861             it = ids->erase(it);
2862         }
2863     }
2864     return OK;
2865 }
2866 
CalculateMinMaxUsage(const std::vector<std::string> & names,uint64_t * minUsage,uint64_t * maxUsage)2867 static status_t CalculateMinMaxUsage(
2868         const std::vector<std::string> &names, uint64_t *minUsage, uint64_t *maxUsage) {
2869     static C2StreamUsageTuning::input sUsage{0u /* stream id */};
2870     *minUsage = 0;
2871     *maxUsage = ~0ull;
2872     for (const std::string &name : names) {
2873         const IntfCache &intfCache = GetIntfCache(name);
2874         if (intfCache.initCheck() != OK) {
2875             continue;
2876         }
2877         const C2FieldSupportedValuesQuery &usageSupportedValues =
2878             intfCache.getUsageSupportedValues();
2879         if (usageSupportedValues.status != C2_OK) {
2880             continue;
2881         }
2882         const C2FieldSupportedValues &supported = usageSupportedValues.values;
2883         if (supported.type != C2FieldSupportedValues::FLAGS) {
2884             continue;
2885         }
2886         if (supported.values.empty()) {
2887             *maxUsage = 0;
2888             continue;
2889         }
2890         if (supported.values.size() > 1) {
2891             *minUsage |= supported.values[1].u64;
2892         } else {
2893             *minUsage |= supported.values[0].u64;
2894         }
2895         int64_t currentMaxUsage = 0;
2896         for (const C2Value::Primitive &flags : supported.values) {
2897             currentMaxUsage |= flags.u64;
2898         }
2899         *maxUsage &= currentMaxUsage;
2900     }
2901     return OK;
2902 }
2903 
2904 // static
CanFetchLinearBlock(const std::vector<std::string> & names,const C2MemoryUsage & usage,bool * isCompatible)2905 status_t CCodec::CanFetchLinearBlock(
2906         const std::vector<std::string> &names, const C2MemoryUsage &usage, bool *isCompatible) {
2907     for (const std::string &name : names) {
2908         const IntfCache &intfCache = GetIntfCache(name);
2909         if (intfCache.initCheck() != OK) {
2910             continue;
2911         }
2912         const C2ApiFeaturesSetting &features = intfCache.getApiFeatures();
2913         if (features && !(features.value & API_SAME_INPUT_BUFFER)) {
2914             *isCompatible = false;
2915             return OK;
2916         }
2917     }
2918     std::set<C2Allocator::id_t> allocators;
2919     GetCommonAllocatorIds(names, C2Allocator::LINEAR, &allocators);
2920     if (allocators.empty()) {
2921         *isCompatible = false;
2922         return OK;
2923     }
2924 
2925     uint64_t minUsage = 0;
2926     uint64_t maxUsage = ~0ull;
2927     CalculateMinMaxUsage(names, &minUsage, &maxUsage);
2928     minUsage |= usage.expected;
2929     *isCompatible = ((maxUsage & minUsage) == minUsage);
2930     return OK;
2931 }
2932 
GetPool(C2Allocator::id_t allocId)2933 static std::shared_ptr<C2BlockPool> GetPool(C2Allocator::id_t allocId) {
2934     static std::mutex sMutex{};
2935     static std::map<C2Allocator::id_t, std::shared_ptr<C2BlockPool>> sPools;
2936     std::unique_lock<std::mutex> lock{sMutex};
2937     std::shared_ptr<C2BlockPool> pool;
2938     auto it = sPools.find(allocId);
2939     if (it == sPools.end()) {
2940         c2_status_t err = CreateCodec2BlockPool(allocId, nullptr, &pool);
2941         if (err == OK) {
2942             sPools.emplace(allocId, pool);
2943         } else {
2944             pool.reset();
2945         }
2946     } else {
2947         pool = it->second;
2948     }
2949     return pool;
2950 }
2951 
2952 // static
FetchLinearBlock(size_t capacity,const C2MemoryUsage & usage,const std::vector<std::string> & names)2953 std::shared_ptr<C2LinearBlock> CCodec::FetchLinearBlock(
2954         size_t capacity, const C2MemoryUsage &usage, const std::vector<std::string> &names) {
2955     std::set<C2Allocator::id_t> allocators;
2956     GetCommonAllocatorIds(names, C2Allocator::LINEAR, &allocators);
2957     if (allocators.empty()) {
2958         allocators.insert(C2PlatformAllocatorStore::DEFAULT_LINEAR);
2959     }
2960 
2961     uint64_t minUsage = 0;
2962     uint64_t maxUsage = ~0ull;
2963     CalculateMinMaxUsage(names, &minUsage, &maxUsage);
2964     minUsage |= usage.expected;
2965     if ((maxUsage & minUsage) != minUsage) {
2966         allocators.clear();
2967         allocators.insert(C2PlatformAllocatorStore::DEFAULT_LINEAR);
2968     }
2969     std::shared_ptr<C2LinearBlock> block;
2970     for (C2Allocator::id_t allocId : allocators) {
2971         std::shared_ptr<C2BlockPool> pool = GetPool(allocId);
2972         if (!pool) {
2973             continue;
2974         }
2975         c2_status_t err = pool->fetchLinearBlock(capacity, C2MemoryUsage{minUsage}, &block);
2976         if (err != C2_OK || !block) {
2977             block.reset();
2978             continue;
2979         }
2980         break;
2981     }
2982     return block;
2983 }
2984 
2985 // static
CanFetchGraphicBlock(const std::vector<std::string> & names,bool * isCompatible)2986 status_t CCodec::CanFetchGraphicBlock(
2987         const std::vector<std::string> &names, bool *isCompatible) {
2988     uint64_t minUsage = 0;
2989     uint64_t maxUsage = ~0ull;
2990     std::set<C2Allocator::id_t> allocators;
2991     GetCommonAllocatorIds(names, C2Allocator::GRAPHIC, &allocators);
2992     if (allocators.empty()) {
2993         *isCompatible = false;
2994         return OK;
2995     }
2996     CalculateMinMaxUsage(names, &minUsage, &maxUsage);
2997     *isCompatible = ((maxUsage & minUsage) == minUsage);
2998     return OK;
2999 }
3000 
3001 // static
FetchGraphicBlock(int32_t width,int32_t height,int32_t format,uint64_t usage,const std::vector<std::string> & names)3002 std::shared_ptr<C2GraphicBlock> CCodec::FetchGraphicBlock(
3003         int32_t width,
3004         int32_t height,
3005         int32_t format,
3006         uint64_t usage,
3007         const std::vector<std::string> &names) {
3008     uint32_t halPixelFormat = HAL_PIXEL_FORMAT_YCBCR_420_888;
3009     if (!C2Mapper::mapPixelFormatFrameworkToCodec(format, &halPixelFormat)) {
3010         ALOGD("Unrecognized pixel format: %d", format);
3011         return nullptr;
3012     }
3013     uint64_t minUsage = 0;
3014     uint64_t maxUsage = ~0ull;
3015     std::set<C2Allocator::id_t> allocators;
3016     GetCommonAllocatorIds(names, C2Allocator::GRAPHIC, &allocators);
3017     if (allocators.empty()) {
3018         allocators.insert(C2PlatformAllocatorStore::DEFAULT_GRAPHIC);
3019     }
3020     CalculateMinMaxUsage(names, &minUsage, &maxUsage);
3021     minUsage |= usage;
3022     if ((maxUsage & minUsage) != minUsage) {
3023         allocators.clear();
3024         allocators.insert(C2PlatformAllocatorStore::DEFAULT_GRAPHIC);
3025     }
3026     std::shared_ptr<C2GraphicBlock> block;
3027     for (C2Allocator::id_t allocId : allocators) {
3028         std::shared_ptr<C2BlockPool> pool;
3029         c2_status_t err = CreateCodec2BlockPool(allocId, nullptr, &pool);
3030         if (err != C2_OK || !pool) {
3031             continue;
3032         }
3033         err = pool->fetchGraphicBlock(
3034                 width, height, halPixelFormat, C2MemoryUsage{minUsage}, &block);
3035         if (err != C2_OK || !block) {
3036             block.reset();
3037             continue;
3038         }
3039         break;
3040     }
3041     return block;
3042 }
3043 
3044 }  // namespace android
3045