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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 
     18 
     19 #ifndef OMX_VIDEO_DECODER_MPEG4_H_
     20 #define OMX_VIDEO_DECODER_MPEG4_H_
     21 
     22 
     23 #include "OMXVideoDecoderBase.h"
     24 
     25 class OMXVideoDecoderMPEG4 : public OMXVideoDecoderBase {
     26 public:
     27     OMXVideoDecoderMPEG4();
     28     virtual ~OMXVideoDecoderMPEG4();
     29 
     30 protected:
     31     virtual OMX_ERRORTYPE InitInputPortFormatSpecific(OMX_PARAM_PORTDEFINITIONTYPE *paramPortDefinitionInput);
     32     virtual OMX_ERRORTYPE ProcessorInit(void);
     33     virtual OMX_ERRORTYPE ProcessorDeinit(void);
     34     virtual OMX_ERRORTYPE ProcessorProcess(
     35             OMX_BUFFERHEADERTYPE ***pBuffers,
     36             buffer_retain_t *retains,
     37             OMX_U32 numberBuffers);
     38 
     39    virtual OMX_ERRORTYPE PrepareConfigBuffer(VideoConfigBuffer *p);
     40    virtual OMX_ERRORTYPE PrepareDecodeBuffer(OMX_BUFFERHEADERTYPE *buffer, buffer_retain_t *retain, VideoDecodeBuffer *p);
     41 
     42    virtual OMX_ERRORTYPE BuildHandlerList(void);
     43    virtual OMX_ERRORTYPE SetMaxOutputBufferCount(OMX_PARAM_PORTDEFINITIONTYPE *p);
     44    virtual OMX_COLOR_FORMATTYPE GetOutputColorFormat(int width);
     45    DECLARE_HANDLER(OMXVideoDecoderMPEG4, ParamVideoMpeg4);
     46    DECLARE_HANDLER(OMXVideoDecoderMPEG4, ParamVideoMpeg4ProfileLevel);
     47 
     48 private:
     49     enum {
     50         // OMX_PARAM_PORTDEFINITIONTYPE
     51         INPORT_MIN_BUFFER_COUNT = 1,
     52         INPORT_ACTUAL_BUFFER_COUNT = 5,
     53         INPORT_BUFFER_SIZE = 1382400,
     54 
     55         OUTPORT_NATIVE_BUFFER_COUNT = 15,
     56     };
     57 
     58     OMX_VIDEO_PARAM_MPEG4TYPE mParamMpeg4;
     59 };
     60 
     61 #endif /* OMX_VIDEO_DECODER_MPEG4_H_ */
     62