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1 /*
2  * Copyright 2018, 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 #ifdef __LP64__
18 #define OMX_ANDROID_COMPILE_AS_32BIT_ON_64BIT_PLATFORMS
19 #endif
20 
21 //#define LOG_NDEBUG 0
22 #define LOG_TAG "C2OMXNode"
23 #include <log/log.h>
24 
25 #include <C2AllocatorGralloc.h>
26 #include <C2BlockInternal.h>
27 #include <C2Component.h>
28 #include <C2PlatformSupport.h>
29 
30 #include <OMX_Component.h>
31 #include <OMX_Index.h>
32 #include <OMX_IndexExt.h>
33 
34 #include <media/stagefright/omx/OMXUtils.h>
35 #include <media/stagefright/MediaErrors.h>
36 #include <ui/Fence.h>
37 #include <ui/GraphicBuffer.h>
38 
39 #include "C2OMXNode.h"
40 
41 namespace android {
42 
43 namespace {
44 
45 class Buffer2D : public C2Buffer {
46 public:
Buffer2D(C2ConstGraphicBlock block)47     explicit Buffer2D(C2ConstGraphicBlock block) : C2Buffer({ block }) {}
48 };
49 
50 }  // namespace
51 
C2OMXNode(const std::shared_ptr<Codec2Client::Component> & comp)52 C2OMXNode::C2OMXNode(const std::shared_ptr<Codec2Client::Component> &comp)
53     : mComp(comp), mFrameIndex(0), mWidth(0), mHeight(0),
54       mAdjustTimestampGapUs(0), mFirstInputFrame(true) {
55     // TODO: read from intf()
56     if (!strncmp(comp->getName().c_str(), "c2.android.", 11)) {
57         mUsage = GRALLOC_USAGE_SW_READ_OFTEN;
58     } else {
59         mUsage = GRALLOC_USAGE_HW_VIDEO_ENCODER;
60     }
61 }
62 
freeNode()63 status_t C2OMXNode::freeNode() {
64     mComp.reset();
65     return OK;
66 }
67 
sendCommand(OMX_COMMANDTYPE cmd,OMX_S32 param)68 status_t C2OMXNode::sendCommand(OMX_COMMANDTYPE cmd, OMX_S32 param) {
69     if (cmd == OMX_CommandStateSet && param == OMX_StateLoaded) {
70         // Reset first input frame so if C2OMXNode is recycled, the timestamp does not become
71         // negative. This is a workaround for HW codecs that do not handle timestamp rollover.
72         mFirstInputFrame = true;
73     }
74     return ERROR_UNSUPPORTED;
75 }
76 
getParameter(OMX_INDEXTYPE index,void * params,size_t size)77 status_t C2OMXNode::getParameter(OMX_INDEXTYPE index, void *params, size_t size) {
78     status_t err = ERROR_UNSUPPORTED;
79     switch ((uint32_t)index) {
80         case OMX_IndexParamConsumerUsageBits: {
81             OMX_U32 *usage = (OMX_U32 *)params;
82             *usage = mUsage;
83             err = OK;
84             break;
85         }
86         case OMX_IndexParamPortDefinition: {
87             if (size < sizeof(OMX_PARAM_PORTDEFINITIONTYPE)) {
88                 return BAD_VALUE;
89             }
90             OMX_PARAM_PORTDEFINITIONTYPE *pDef = (OMX_PARAM_PORTDEFINITIONTYPE *)params;
91             // TODO: read these from intf()
92             pDef->nBufferCountActual = 16;
93             pDef->eDomain = OMX_PortDomainVideo;
94             pDef->format.video.nFrameWidth = mWidth;
95             pDef->format.video.nFrameHeight = mHeight;
96             err = OK;
97             break;
98         }
99         default:
100             break;
101     }
102     return err;
103 }
104 
setParameter(OMX_INDEXTYPE index,const void * params,size_t size)105 status_t C2OMXNode::setParameter(OMX_INDEXTYPE index, const void *params, size_t size) {
106     // handle max/fixed frame duration control
107     if (index == (OMX_INDEXTYPE)OMX_IndexParamMaxFrameDurationForBitrateControl
108             && params != NULL
109             && size == sizeof(OMX_PARAM_U32TYPE)) {
110         // The incoming number is an int32_t contained in OMX_U32.
111         mAdjustTimestampGapUs = (int32_t)((OMX_PARAM_U32TYPE*)params)->nU32;
112         return OK;
113     }
114     return ERROR_UNSUPPORTED;
115 }
116 
getConfig(OMX_INDEXTYPE index,void * config,size_t size)117 status_t C2OMXNode::getConfig(OMX_INDEXTYPE index, void *config, size_t size) {
118     (void)index;
119     (void)config;
120     (void)size;
121     return ERROR_UNSUPPORTED;
122 }
123 
setConfig(OMX_INDEXTYPE index,const void * config,size_t size)124 status_t C2OMXNode::setConfig(OMX_INDEXTYPE index, const void *config, size_t size) {
125     (void)index;
126     (void)config;
127     (void)size;
128     return ERROR_UNSUPPORTED;
129 }
130 
setPortMode(OMX_U32 portIndex,IOMX::PortMode mode)131 status_t C2OMXNode::setPortMode(OMX_U32 portIndex, IOMX::PortMode mode) {
132     (void)portIndex;
133     (void)mode;
134     return ERROR_UNSUPPORTED;
135 }
136 
prepareForAdaptivePlayback(OMX_U32 portIndex,OMX_BOOL enable,OMX_U32 maxFrameWidth,OMX_U32 maxFrameHeight)137 status_t C2OMXNode::prepareForAdaptivePlayback(
138         OMX_U32 portIndex, OMX_BOOL enable,
139         OMX_U32 maxFrameWidth, OMX_U32 maxFrameHeight) {
140     (void)portIndex;
141     (void)enable;
142     (void)maxFrameWidth;
143     (void)maxFrameHeight;
144     return ERROR_UNSUPPORTED;
145 }
146 
configureVideoTunnelMode(OMX_U32 portIndex,OMX_BOOL tunneled,OMX_U32 audioHwSync,native_handle_t ** sidebandHandle)147 status_t C2OMXNode::configureVideoTunnelMode(
148         OMX_U32 portIndex, OMX_BOOL tunneled,
149         OMX_U32 audioHwSync, native_handle_t **sidebandHandle) {
150     (void)portIndex;
151     (void)tunneled;
152     (void)audioHwSync;
153     *sidebandHandle = nullptr;
154     return ERROR_UNSUPPORTED;
155 }
156 
getGraphicBufferUsage(OMX_U32 portIndex,OMX_U32 * usage)157 status_t C2OMXNode::getGraphicBufferUsage(OMX_U32 portIndex, OMX_U32* usage) {
158     (void)portIndex;
159     *usage = 0;
160     return ERROR_UNSUPPORTED;
161 }
162 
setInputSurface(const sp<IOMXBufferSource> & bufferSource)163 status_t C2OMXNode::setInputSurface(const sp<IOMXBufferSource> &bufferSource) {
164     c2_status_t err = GetCodec2PlatformAllocatorStore()->fetchAllocator(
165             C2PlatformAllocatorStore::GRALLOC,
166             &mAllocator);
167     if (err != OK) {
168         return UNKNOWN_ERROR;
169     }
170     mBufferSource = bufferSource;
171     return OK;
172 }
173 
allocateSecureBuffer(OMX_U32 portIndex,size_t size,buffer_id * buffer,void ** bufferData,sp<NativeHandle> * nativeHandle)174 status_t C2OMXNode::allocateSecureBuffer(
175         OMX_U32 portIndex, size_t size, buffer_id *buffer,
176         void **bufferData, sp<NativeHandle> *nativeHandle) {
177     (void)portIndex;
178     (void)size;
179     (void)nativeHandle;
180     *buffer = 0;
181     *bufferData = nullptr;
182     return ERROR_UNSUPPORTED;
183 }
184 
useBuffer(OMX_U32 portIndex,const OMXBuffer & omxBuf,buffer_id * buffer)185 status_t C2OMXNode::useBuffer(
186         OMX_U32 portIndex, const OMXBuffer &omxBuf, buffer_id *buffer) {
187     (void)portIndex;
188     (void)omxBuf;
189     *buffer = 0;
190     return ERROR_UNSUPPORTED;
191 }
192 
freeBuffer(OMX_U32 portIndex,buffer_id buffer)193 status_t C2OMXNode::freeBuffer(OMX_U32 portIndex, buffer_id buffer) {
194     (void)portIndex;
195     (void)buffer;
196     return ERROR_UNSUPPORTED;
197 }
198 
fillBuffer(buffer_id buffer,const OMXBuffer & omxBuf,int fenceFd)199 status_t C2OMXNode::fillBuffer(
200         buffer_id buffer, const OMXBuffer &omxBuf, int fenceFd) {
201     (void)buffer;
202     (void)omxBuf;
203     (void)fenceFd;
204     return ERROR_UNSUPPORTED;
205 }
206 
emptyBuffer(buffer_id buffer,const OMXBuffer & omxBuf,OMX_U32 flags,OMX_TICKS timestamp,int fenceFd)207 status_t C2OMXNode::emptyBuffer(
208         buffer_id buffer, const OMXBuffer &omxBuf,
209         OMX_U32 flags, OMX_TICKS timestamp, int fenceFd) {
210     // TODO: better fence handling
211     if (fenceFd >= 0) {
212         sp<Fence> fence = new Fence(fenceFd);
213         fence->waitForever(LOG_TAG);
214     }
215     std::shared_ptr<Codec2Client::Component> comp = mComp.lock();
216     if (!comp) {
217         return NO_INIT;
218     }
219 
220     uint32_t c2Flags = (flags & OMX_BUFFERFLAG_EOS)
221             ? C2FrameData::FLAG_END_OF_STREAM : 0;
222     std::shared_ptr<C2GraphicBlock> block;
223 
224     C2Handle *handle = nullptr;
225     if (omxBuf.mBufferType == OMXBuffer::kBufferTypeANWBuffer
226             && omxBuf.mGraphicBuffer != nullptr) {
227         std::shared_ptr<C2GraphicAllocation> alloc;
228         handle = WrapNativeCodec2GrallocHandle(
229                 omxBuf.mGraphicBuffer->handle,
230                 omxBuf.mGraphicBuffer->width,
231                 omxBuf.mGraphicBuffer->height,
232                 omxBuf.mGraphicBuffer->format,
233                 omxBuf.mGraphicBuffer->usage,
234                 omxBuf.mGraphicBuffer->stride);
235         c2_status_t err = mAllocator->priorGraphicAllocation(handle, &alloc);
236         if (err != OK) {
237             return UNKNOWN_ERROR;
238         }
239         block = _C2BlockFactory::CreateGraphicBlock(alloc);
240     } else if (!(flags & OMX_BUFFERFLAG_EOS)) {
241         return BAD_VALUE;
242     }
243 
244     std::unique_ptr<C2Work> work(new C2Work);
245     work->input.flags = (C2FrameData::flags_t)c2Flags;
246     work->input.ordinal.timestamp = timestamp;
247 
248     // WORKAROUND: adjust timestamp based on gapUs
249     {
250         work->input.ordinal.customOrdinal = timestamp; // save input timestamp
251         if (mFirstInputFrame) {
252             // grab timestamps on first frame
253             mPrevInputTimestamp = timestamp;
254             mPrevCodecTimestamp = timestamp;
255             mFirstInputFrame = false;
256         } else if (mAdjustTimestampGapUs > 0) {
257             work->input.ordinal.timestamp =
258                 mPrevCodecTimestamp
259                         + c2_min((timestamp - mPrevInputTimestamp).peek(), mAdjustTimestampGapUs);
260         } else if (mAdjustTimestampGapUs < 0) {
261             work->input.ordinal.timestamp = mPrevCodecTimestamp - mAdjustTimestampGapUs;
262         }
263         mPrevInputTimestamp = work->input.ordinal.customOrdinal;
264         mPrevCodecTimestamp = work->input.ordinal.timestamp;
265         ALOGV("adjusting %lld to %lld (gap=%lld)",
266               work->input.ordinal.customOrdinal.peekll(),
267               work->input.ordinal.timestamp.peekll(),
268               (long long)mAdjustTimestampGapUs);
269     }
270 
271     work->input.ordinal.frameIndex = mFrameIndex++;
272     work->input.buffers.clear();
273     if (block) {
274         std::shared_ptr<C2Buffer> c2Buffer(
275                 // TODO: fence
276                 new Buffer2D(block->share(
277                         C2Rect(block->width(), block->height()), ::C2Fence())),
278                 [buffer, source = getSource()](C2Buffer *ptr) {
279                     delete ptr;
280                     // TODO: fence
281                     (void)source->onInputBufferEmptied(buffer, -1);
282                 });
283         work->input.buffers.push_back(c2Buffer);
284     }
285     work->worklets.clear();
286     work->worklets.emplace_back(new C2Worklet);
287     std::list<std::unique_ptr<C2Work>> items;
288     items.push_back(std::move(work));
289 
290     c2_status_t err = comp->queue(&items);
291     if (err != C2_OK) {
292         return UNKNOWN_ERROR;
293     }
294 
295     return OK;
296 }
297 
getExtensionIndex(const char * parameterName,OMX_INDEXTYPE * index)298 status_t C2OMXNode::getExtensionIndex(
299         const char *parameterName, OMX_INDEXTYPE *index) {
300     (void)parameterName;
301     *index = OMX_IndexMax;
302     return ERROR_UNSUPPORTED;
303 }
304 
dispatchMessage(const omx_message & msg)305 status_t C2OMXNode::dispatchMessage(const omx_message& msg) {
306     if (msg.type != omx_message::EVENT) {
307         return ERROR_UNSUPPORTED;
308     }
309     if (msg.u.event_data.event != OMX_EventDataSpaceChanged) {
310         return ERROR_UNSUPPORTED;
311     }
312     android_dataspace dataSpace = (android_dataspace)msg.u.event_data.data1;
313     uint32_t pixelFormat = msg.u.event_data.data3;
314 
315     // TODO: set dataspace on component to see if it impacts color aspects
316     ALOGD("dataspace changed to %#x pixel format: %#x", dataSpace, pixelFormat);
317     return OK;
318 }
319 
getSource()320 sp<IOMXBufferSource> C2OMXNode::getSource() {
321     return mBufferSource;
322 }
323 
setFrameSize(uint32_t width,uint32_t height)324 void C2OMXNode::setFrameSize(uint32_t width, uint32_t height) {
325     mWidth = width;
326     mHeight = height;
327 }
328 
329 }  // namespace android
330