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_MPEG2_H_
20 #define OMX_VIDEO_DECODER_MPEG2_H_
21 
22 
23 #include "OMXVideoDecoderBase.h"
24 
25 class OMXVideoDecoderMPEG2 : public OMXVideoDecoderBase {
26 public:
27     OMXVideoDecoderMPEG2();
28     virtual ~OMXVideoDecoderMPEG2();
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(OMXVideoDecoderMPEG2, ParamVideoMpeg2);
46    DECLARE_HANDLER(OMXVideoDecoderMPEG2, ParamVideoMpeg2ProfileLevel);
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 = 10,
56     };
57 
58     OMX_VIDEO_PARAM_MPEG2TYPE mParamMpeg2;
59 };
60 
61 #endif /* OMX_VIDEO_DECODER_MPEG2_H_ */
62