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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_MPEG2_H_
#define VIDEO_DECODER_MPEG2_H_
#include "VideoDecoderBase.h"
#ifndef TIANMI_DEBUG
#define TIANMI_DEBUG
#endif
class VideoDecoderMPEG2 : public VideoDecoderBase {
public:
VideoDecoderMPEG2(const char *mimeType);
virtual ~VideoDecoderMPEG2();
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_mpeg2 *data);
//Decode_Status beginDecodingFrame(vbp_data_mp42 *data);
//Decode_Status continueDecodingFrame(vbp_data_mp42 *data);
Decode_Status decodePicture(vbp_data_mpeg2 *data, int picIndex);
Decode_Status decodeSlice(vbp_data_mpeg2 *data, int picIndex, int slcIndex);
Decode_Status setReference(VAPictureParameterBufferMPEG2 *picParam);
Decode_Status startVA(vbp_data_mpeg2 *data);
void updateFormatInfo(vbp_data_mpeg2 *data);
inline Decode_Status allocateVABufferIDs(int32_t number);
private:
enum {
MPEG2_PICTURE_TYPE_I = 1,
MPEG2_PICTURE_TYPE_P = 2,
MPEG2_PICTURE_TYPE_B = 3
};
enum {
MPEG2_PIC_STRUCT_TOP = 1,
MPEG2_PIC_STRUCT_BOTTOM = 2,
MPEG2_PIC_STRUCT_FRAME = 3
};
enum {
MPEG2_SURFACE_NUMBER = 10,
};
VABufferID *mBufferIDs;
int32_t mNumBufferIDs;
};
#endif /* VIDEO_DECODER_MPEG2_H_ */
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