91 lines
2.6 KiB
C++
91 lines
2.6 KiB
C++
/*
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* Copyright (c) 2009-2011 Intel Corporation. All rights reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef VIDEO_DECODER_VP8_H_
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#define VIDEO_DECODER_VP8_H_
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#include "VideoDecoderBase.h"
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class VideoDecoderVP8 : public VideoDecoderBase {
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public:
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VideoDecoderVP8(const char *mimeType);
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virtual ~VideoDecoderVP8();
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virtual Decode_Status start(VideoConfigBuffer *buffer);
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virtual void stop(void);
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virtual void flush(void);
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virtual Decode_Status decode(VideoDecodeBuffer *buffer);
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protected:
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virtual Decode_Status checkHardwareCapability();
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private:
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Decode_Status decodeFrame(VideoDecodeBuffer* buffer, vbp_data_vp8 *data);
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Decode_Status decodePicture(vbp_data_vp8 *data, int32_t picIndex);
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Decode_Status setReference(VAPictureParameterBufferVP8 *picParam);
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Decode_Status startVA(vbp_data_vp8 *data);
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void updateReferenceFrames(vbp_data_vp8 *data);
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void refreshLastReference(vbp_data_vp8 *data);
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void refreshGoldenReference(vbp_data_vp8 *data);
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void refreshAltReference(vbp_data_vp8 *data);
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void updateFormatInfo(vbp_data_vp8 *data);
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void invalidateReferenceFrames(int toggle);
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void clearAsReference(int toggle, int ref_type);
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private:
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enum {
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VP8_SURFACE_NUMBER = 9,
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VP8_REF_SIZE = 3,
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};
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enum {
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VP8_KEY_FRAME = 0,
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VP8_INTER_FRAME,
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VP8_SKIPPED_FRAME,
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};
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enum {
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VP8_LAST_REF_PIC = 0,
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VP8_GOLDEN_REF_PIC,
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VP8_ALT_REF_PIC,
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};
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enum {
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BufferCopied_NoneToGolden = 0,
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BufferCopied_LastToGolden = 1,
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BufferCopied_AltRefToGolden = 2
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};
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enum {
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BufferCopied_NoneToAltRef = 0,
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BufferCopied_LastToAltRef = 1,
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BufferCopied_GoldenToAltRef = 2
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};
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struct ReferenceFrameBuffer {
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VideoSurfaceBuffer *surfaceBuffer;
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int32_t index;
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};
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//[2] : [0 for current each reference frame, 1 for the previous each reference frame]
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//[VP8_REF_SIZE] : [0 for last ref pic, 1 for golden ref pic, 2 for alt ref pic]
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ReferenceFrameBuffer mRFBs[2][VP8_REF_SIZE];
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};
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#endif /* VIDEO_DECODER_VP8_H_ */
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