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      1 /*
      2 * Copyright (c) 2009-2011 Intel Corporation.  All rights reserved.
      3 *
      4 * Licensed under the Apache License, Version 2.0 (the "License");
      5 * you may not use this file except in compliance with the License.
      6 * You may obtain a copy of the License at
      7 *
      8 * http://www.apache.org/licenses/LICENSE-2.0
      9 *
     10 * Unless required by applicable law or agreed to in writing, software
     11 * distributed under the License is distributed on an "AS IS" BASIS,
     12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13 * See the License for the specific language governing permissions and
     14 * limitations under the License.
     15 */
     16 
     17 #ifndef VIDEO_DECODER_WMV_H_
     18 #define VIDEO_DECODER_WMV_H_
     19 
     20 #include "VideoDecoderBase.h"
     21 
     22 
     23 class VideoDecoderWMV : public VideoDecoderBase {
     24 public:
     25     VideoDecoderWMV(const char *mimeType);
     26     virtual ~VideoDecoderWMV();
     27 
     28     virtual Decode_Status start(VideoConfigBuffer *buffer);
     29     virtual void stop(void);
     30     virtual void flush(void);
     31     virtual Decode_Status decode(VideoDecodeBuffer *buffer);
     32 
     33 protected:
     34     virtual Decode_Status checkHardwareCapability();
     35 
     36 
     37 private:
     38     Decode_Status decodeFrame(VideoDecodeBuffer *buffer, vbp_data_vc1 *data);
     39     Decode_Status decodePicture(vbp_data_vc1 *data, int32_t picIndex);
     40     Decode_Status setReference(VAPictureParameterBufferVC1 *params, int32_t picIndex, VASurfaceID current);
     41     void updateDeblockedPicIndexes(int frameType);
     42     Decode_Status updateConfigData(uint8_t *configData, int32_t configDataLen, uint8_t **newConfigData, int32_t *newConfigDataLen);
     43     Decode_Status startVA(vbp_data_vc1 *data);
     44     void updateFormatInfo(vbp_data_vc1 *data);
     45     inline Decode_Status allocateVABufferIDs(int32_t number);
     46     Decode_Status parseBuffer(uint8_t *data, int32_t size, vbp_data_vc1 **vbpData);
     47 
     48 private:
     49     enum {
     50         VC1_SURFACE_NUMBER = 10,
     51         VC1_EXTRA_SURFACE_NUMBER = 3,
     52     };
     53 
     54     VABufferID *mBufferIDs;
     55     int32_t mNumBufferIDs;
     56     bool mConfigDataParsed;
     57     bool mRangeMapped;
     58 
     59     int32_t mDeblockedCurrPicIndex;
     60     int32_t mDeblockedLastPicIndex;
     61     int32_t mDeblockedForwardPicIndex;
     62 };
     63 
     64 
     65 
     66 #endif /* VIDEO_DECODER_WMV_H_ */
     67