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/*
* Copyright (c) 2009-2011 Intel Corporation. All rights reserved.
*
* 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 VIDEO_DECODER_AVC_H_
#define VIDEO_DECODER_AVC_H_
#include "VideoDecoderBase.h"
class VideoDecoderAVC : public VideoDecoderBase {
public:
VideoDecoderAVC(const char *mimeType);
virtual ~VideoDecoderAVC();
virtual Decode_Status start(VideoConfigBuffer *buffer);
virtual void stop(void);
virtual void flush(void);
virtual Decode_Status decode(VideoDecodeBuffer *buffer);
protected:
virtual Decode_Status decodeFrame(VideoDecodeBuffer *buffer, vbp_data_h264 *data);
virtual Decode_Status beginDecodingFrame(vbp_data_h264 *data);
virtual Decode_Status continueDecodingFrame(vbp_data_h264 *data);
virtual Decode_Status decodeSlice(vbp_data_h264 *data, uint32_t picIndex, uint32_t sliceIndex);
Decode_Status setReference(VASliceParameterBufferH264 *sliceParam);
Decode_Status updateDPB(VAPictureParameterBufferH264 *picParam);
Decode_Status updateReferenceFrames(vbp_picture_data_h264 *picData);
void removeReferenceFromDPB(VAPictureParameterBufferH264 *picParam);
int32_t getPOC(VAPictureH264 *pic); // Picture Order Count
inline VASurfaceID findSurface(VAPictureH264 *pic);
inline VideoSurfaceBuffer* findSurfaceBuffer(VAPictureH264 *pic);
inline VideoSurfaceBuffer* findRefSurfaceBuffer(VAPictureH264 *pic);
inline void invalidateDPB(int toggle);
inline void clearAsReference(int toggle);
Decode_Status startVA(vbp_data_h264 *data);
void updateFormatInfo(vbp_data_h264 *data);
Decode_Status handleNewSequence(vbp_data_h264 *data);
bool isNewFrame(vbp_data_h264 *data, bool equalPTS);
int32_t getDPBSize(vbp_data_h264 *data);
virtual Decode_Status checkHardwareCapability();
#ifdef USE_AVC_SHORT_FORMAT
virtual Decode_Status getCodecSpecificConfigs(VAProfile profile, VAConfigID*config);
#endif
bool isWiDiStatusChanged();
private:
struct DecodedPictureBuffer {
VideoSurfaceBuffer *surfaceBuffer;
int32_t poc; // Picture Order Count
};
enum {
AVC_EXTRA_SURFACE_NUMBER = 11,
// maximum DPB (Decoded Picture Buffer) size
MAX_REF_NUMBER = 16,
DPB_SIZE = 17, // DPB_SIZE = MAX_REF_NUMBER + 1,
REF_LIST_SIZE = 32,
};
// maintain 2 ping-pong decoded picture buffers
DecodedPictureBuffer mDPBs[2][DPB_SIZE];
uint8_t mToggleDPB; // 0 or 1
bool mErrorConcealment;
uint32_t mLastPictureFlags;
VideoExtensionBuffer mExtensionBuffer;
PackedFrameData mPackedFrame;
};
#endif /* VIDEO_DECODER_AVC_H_ */
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