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1 /*
2  * Copyright (C) 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 #ifndef ANDROID_C2_SOFT_VPX_DEC_H_
18 #define ANDROID_C2_SOFT_VPX_DEC_H_
19 
20 #include <SimpleC2Component.h>
21 #include <util/C2InterfaceHelper.h>
22 
23 
24 #include "vpx/vpx_decoder.h"
25 #include "vpx/vp8dx.h"
26 
27 namespace android {
28 
29 struct C2SoftVpxDec : public SimpleC2Component {
30     class IntfImpl;
31 
32     C2SoftVpxDec(const char* name, c2_node_id_t id,
33               const std::shared_ptr<IntfImpl>& intfImpl);
34     C2SoftVpxDec(const char* name, c2_node_id_t id,
35               const std::shared_ptr<C2ReflectorHelper>& helper);
36     virtual ~C2SoftVpxDec();
37 
38     // From SimpleC2Component
39     c2_status_t onInit() override;
40     c2_status_t onStop() override;
41     void onReset() override;
42     void onRelease() override;
43     c2_status_t onFlush_sm() override;
44     void process(
45             const std::unique_ptr<C2Work> &work,
46             const std::shared_ptr<C2BlockPool> &pool) override;
47     c2_status_t drain(
48             uint32_t drainMode,
49             const std::shared_ptr<C2BlockPool> &pool) override;
50  private:
51     enum {
52         MODE_VP8,
53         MODE_VP9,
54     } mMode;
55 
56     struct ConversionQueue;
57 
58     class ConverterThread : public Thread {
59     public:
60         explicit ConverterThread(
61                 const std::shared_ptr<Mutexed<ConversionQueue>> &queue);
62         ~ConverterThread() override = default;
63         bool threadLoop() override;
64 
65     private:
66         std::shared_ptr<Mutexed<ConversionQueue>> mQueue;
67     };
68 
69     // configurations used by component in process
70     // (TODO: keep this in intf but make them internal only)
71     std::shared_ptr<C2StreamPixelFormatInfo::output> mPixelFormatInfo;
72     std::shared_ptr<C2StreamColorAspectsTuning::output> mColorAspects;
73 
74     std::shared_ptr<IntfImpl> mIntf;
75     vpx_codec_ctx_t *mCodecCtx;
76     bool mFrameParallelMode;  // Frame parallel is only supported by VP9 decoder.
77 
78     uint32_t mHalPixelFormat;
79     uint32_t mWidth;
80     uint32_t mHeight;
81     bool mSignalledOutputEos;
82     bool mSignalledError;
83 
84     int mCoreCount;
85     struct ConversionQueue {
86         std::list<std::function<void()>> entries;
87         Condition cond;
88         size_t numPending{0u};
89     };
90     std::shared_ptr<Mutexed<ConversionQueue>> mQueue;
91     std::vector<sp<ConverterThread>> mConverterThreads;
92 
93     status_t initDecoder();
94     status_t destroyDecoder();
95     void finishWork(uint64_t index, const std::unique_ptr<C2Work> &work,
96                     const std::shared_ptr<C2GraphicBlock> &block);
97     status_t outputBuffer(
98             const std::shared_ptr<C2BlockPool> &pool,
99             const std::unique_ptr<C2Work> &work);
100     c2_status_t drainInternal(
101             uint32_t drainMode,
102             const std::shared_ptr<C2BlockPool> &pool,
103             const std::unique_ptr<C2Work> &work);
104 
105     C2_DO_NOT_COPY(C2SoftVpxDec);
106 };
107 
108 }  // namespace android
109 
110 #endif  // ANDROID_C2_SOFT_VPX_DEC_H_
111