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 C2_SOFT_MPEG4_DEC_H_ 18 #define C2_SOFT_MPEG4_DEC_H_ 19 20 #include <SimpleC2Component.h> 21 #include <util/C2InterfaceHelper.h> 22 23 #include <mp4dec_api.h> 24 25 26 namespace android { 27 28 struct C2SoftMpeg4Dec : public SimpleC2Component { 29 class IntfImpl; 30 31 C2SoftMpeg4Dec(const char* name, c2_node_id_t id, 32 const std::shared_ptr<IntfImpl>& intfImpl); 33 C2SoftMpeg4Dec(const char* name, c2_node_id_t id, 34 const std::shared_ptr<C2ReflectorHelper>& helper); 35 virtual ~C2SoftMpeg4Dec(); 36 37 // From SimpleC2Component 38 c2_status_t onInit() override; 39 c2_status_t onStop() override; 40 void onReset() override; 41 void onRelease() override; 42 c2_status_t onFlush_sm() override; 43 void process( 44 const std::unique_ptr<C2Work> &work, 45 const std::shared_ptr<C2BlockPool> &pool) override; 46 c2_status_t drain( 47 uint32_t drainMode, 48 const std::shared_ptr<C2BlockPool> &pool) override; 49 private: 50 enum { 51 kNumOutputBuffers = 2, 52 }; 53 54 status_t initDecoder(); 55 c2_status_t ensureDecoderState(const std::shared_ptr<C2BlockPool> &pool); 56 void finishWork(uint64_t index, const std::unique_ptr<C2Work> &work); 57 bool handleResChange(const std::unique_ptr<C2Work> &work); 58 59 std::shared_ptr<IntfImpl> mIntf; 60 tagvideoDecControls mVideoDecControls; 61 std::shared_ptr<C2GraphicBlock> mOutBlock; 62 uint8_t *mOutputBuffer[kNumOutputBuffers]; 63 size_t mOutputBufferSize; 64 65 uint32_t mWidth; 66 uint32_t mHeight; 67 uint32_t mNumSamplesOutput; 68 69 bool mIsMpeg4; 70 bool mInitialized; 71 bool mFramesConfigured; 72 bool mSignalledOutputEos; 73 bool mSignalledError; 74 75 C2_DO_NOT_COPY(C2SoftMpeg4Dec); 76 }; 77 78 } // namespace android 79 80 #endif // C2_SOFT_MPEG4_DEC_H_ 81