| /* |
| * 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_ */ |