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Diffstat (limited to 'media/libstagefright/codecs/avc/dec/SoftAVC.h')
-rw-r--r-- | media/libstagefright/codecs/avc/dec/SoftAVC.h | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/media/libstagefright/codecs/avc/dec/SoftAVC.h b/media/libstagefright/codecs/avc/dec/SoftAVC.h new file mode 100644 index 0000000..1594b4d --- /dev/null +++ b/media/libstagefright/codecs/avc/dec/SoftAVC.h @@ -0,0 +1,109 @@ +/* + * Copyright (C) 2011 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef SOFT_AVC_H_ + +#define SOFT_AVC_H_ + +#include "SimpleSoftOMXComponent.h" + +struct tagAVCHandle; + +namespace android { + +struct SoftAVC : public SimpleSoftOMXComponent { + SoftAVC(const char *name, + const OMX_CALLBACKTYPE *callbacks, + OMX_PTR appData, + OMX_COMPONENTTYPE **component); + +protected: + virtual ~SoftAVC(); + + virtual OMX_ERRORTYPE internalGetParameter( + OMX_INDEXTYPE index, OMX_PTR params); + + virtual OMX_ERRORTYPE internalSetParameter( + OMX_INDEXTYPE index, const OMX_PTR params); + + virtual OMX_ERRORTYPE getConfig(OMX_INDEXTYPE index, OMX_PTR params); + + virtual void onQueueFilled(OMX_U32 portIndex); + virtual void onPortFlushCompleted(OMX_U32 portIndex); + virtual void onPortEnableCompleted(OMX_U32 portIndex, bool enabled); + +private: + enum { + kNumInputBuffers = 4, + kNumOutputBuffers = 18, + }; + + enum EOSStatus { + INPUT_DATA_AVAILABLE, + INPUT_EOS_SEEN, + OUTPUT_FRAMES_FLUSHED, + }; + + tagAVCHandle *mHandle; + + size_t mInputBufferCount; + + int32_t mWidth, mHeight; + int32_t mCropLeft, mCropTop, mCropRight, mCropBottom; + + bool mSPSSeen, mPPSSeen; + + int64_t mCurrentTimeUs; + + EOSStatus mEOSStatus; + + enum { + NONE, + AWAITING_DISABLED, + AWAITING_ENABLED + } mOutputPortSettingsChange; + + void initPorts(); + status_t initDecoder(); + + status_t decodeFragment( + const uint8_t *fragPtr, size_t fragSize, + bool *releaseFrames, + OMX_BUFFERHEADERTYPE **outHeader); + + void updatePortDefinitions(); + bool drainOutputBuffer(OMX_BUFFERHEADERTYPE **outHeader); + + static int32_t ActivateSPSWrapper( + void *userData, unsigned int sizeInMbs, unsigned int numBuffers); + + static int32_t BindFrameWrapper( + void *userData, int32_t index, uint8_t **yuv); + + static void UnbindFrame(void *userData, int32_t index); + + int32_t activateSPS( + unsigned int sizeInMbs, unsigned int numBuffers); + + int32_t bindFrame(int32_t index, uint8_t **yuv); + + DISALLOW_EVIL_CONSTRUCTORS(SoftAVC); +}; + +} // namespace android + +#endif // SOFT_AVC_H_ + |