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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_VP8_H_
#define VIDEO_DECODER_VP8_H_
#include "VideoDecoderBase.h"
class VideoDecoderVP8 : public VideoDecoderBase {
public:
VideoDecoderVP8(const char *mimeType);
virtual ~VideoDecoderVP8();
virtual Decode_Status start(VideoConfigBuffer *buffer);
virtual void stop(void);
virtual void flush(void);
virtual Decode_Status decode(VideoDecodeBuffer *buffer);
protected:
virtual Decode_Status checkHardwareCapability();
private:
Decode_Status decodeFrame(VideoDecodeBuffer* buffer, vbp_data_vp8 *data);
Decode_Status decodePicture(vbp_data_vp8 *data, int32_t picIndex);
Decode_Status setReference(VAPictureParameterBufferVP8 *picParam);
Decode_Status startVA(vbp_data_vp8 *data);
void updateReferenceFrames(vbp_data_vp8 *data);
void refreshLastReference(vbp_data_vp8 *data);
void refreshGoldenReference(vbp_data_vp8 *data);
void refreshAltReference(vbp_data_vp8 *data);
void updateFormatInfo(vbp_data_vp8 *data);
void invalidateReferenceFrames(int toggle);
void clearAsReference(int toggle, int ref_type);
private:
enum {
VP8_SURFACE_NUMBER = 9,
VP8_REF_SIZE = 3,
};
enum {
VP8_KEY_FRAME = 0,
VP8_INTER_FRAME,
VP8_SKIPPED_FRAME,
};
enum {
VP8_LAST_REF_PIC = 0,
VP8_GOLDEN_REF_PIC,
VP8_ALT_REF_PIC,
};
enum {
BufferCopied_NoneToGolden = 0,
BufferCopied_LastToGolden = 1,
BufferCopied_AltRefToGolden = 2
};
enum {
BufferCopied_NoneToAltRef = 0,
BufferCopied_LastToAltRef = 1,
BufferCopied_GoldenToAltRef = 2
};
struct ReferenceFrameBuffer {
VideoSurfaceBuffer *surfaceBuffer;
int32_t index;
};
//[2] : [0 for current each reference frame, 1 for the previous each reference frame]
//[VP8_REF_SIZE] : [0 for last ref pic, 1 for golden ref pic, 2 for alt ref pic]
ReferenceFrameBuffer mRFBs[2][VP8_REF_SIZE];
};
#endif /* VIDEO_DECODER_VP8_H_ */
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