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 OMX_VIDEO_DECODER_AVC_H_
18#define OMX_VIDEO_DECODER_AVC_H_
19
20
21#include "OMXVideoDecoderBase.h"
22
23class OMXVideoDecoderAVC : public OMXVideoDecoderBase {
24public:
25    OMXVideoDecoderAVC();
26    virtual ~OMXVideoDecoderAVC();
27
28protected:
29    virtual OMX_ERRORTYPE InitInputPortFormatSpecific(OMX_PARAM_PORTDEFINITIONTYPE *paramPortDefinitionInput);
30    virtual OMX_ERRORTYPE ProcessorInit(void);
31    virtual OMX_ERRORTYPE ProcessorDeinit(void);
32    virtual OMX_ERRORTYPE ProcessorFlush(OMX_U32 portIndex);
33    virtual OMX_ERRORTYPE ProcessorProcess(
34            OMX_BUFFERHEADERTYPE ***pBuffers,
35            buffer_retain_t *retains,
36            OMX_U32 numberBuffers);
37
38   virtual OMX_ERRORTYPE PrepareConfigBuffer(VideoConfigBuffer *p);
39   virtual OMX_ERRORTYPE PrepareDecodeBuffer(OMX_BUFFERHEADERTYPE *buffer, buffer_retain_t *retain, VideoDecodeBuffer *p);
40
41   virtual OMX_ERRORTYPE BuildHandlerList(void);
42   virtual OMX_ERRORTYPE SetMaxOutputBufferCount(OMX_PARAM_PORTDEFINITIONTYPE *p);
43   virtual OMX_COLOR_FORMATTYPE GetOutputColorFormat(int width);
44   DECLARE_HANDLER(OMXVideoDecoderAVC, ParamVideoAvc);
45   DECLARE_HANDLER(OMXVideoDecoderAVC, ParamIntelAVCDecodeSettings);
46   DECLARE_HANDLER(OMXVideoDecoderAVC, ParamVideoAVCProfileLevel);
47
48private:
49    inline OMX_ERRORTYPE AccumulateBuffer(OMX_BUFFERHEADERTYPE *buffer);
50    inline OMX_ERRORTYPE FillDecodeBuffer(VideoDecodeBuffer *p);
51
52private:
53    enum {
54        // OMX_PARAM_PORTDEFINITIONTYPE
55        INPORT_MIN_BUFFER_COUNT = 1,
56        INPORT_ACTUAL_BUFFER_COUNT = 5,
57        INPORT_BUFFER_SIZE = 1382400,
58
59        // for OMX_VIDEO_PARAM_INTEL_AVC_DECODE_SETTINGS
60        // default number of reference frame
61        NUM_REFERENCE_FRAME = 4,
62
63        // extra number of reference frame to allocate for video conferencing use case.
64        // total number of reference frame allocated by default  in video conferencing use case is 10.
65        EXTRA_REFERENCE_FRAME = 6,
66
67        // a typical value for 1080p clips
68        OUTPORT_NATIVE_BUFFER_COUNT = 11,
69
70        MAX_OUTPORT_BUFFER_COUNT = 23,
71    };
72
73    OMX_VIDEO_PARAM_AVCTYPE mParamAvc;
74
75    // This parameter is used for video conferencing use case. Application or OMX client can preset
76    // maximum video size and maximum reference frame (default value is NUM_REFERENCE_FRAME). Using these
77    // information OMX AVC decoder can start up video decoder library without paring configuration data, or start up
78    // video decoder at earlier stage.
79    // If actual video size is less than the maximum video size, frame cropping will be used in the encoder side.
80    OMX_VIDEO_PARAM_INTEL_AVC_DECODE_SETTINGS mDecodeSettings;
81
82private:
83    OMX_U8 *mAccumulateBuffer;
84    OMX_U32 mBufferSize;
85    OMX_U32 mFilledLen;
86    OMX_TICKS mTimeStamp;
87};
88
89#endif /* OMX_VIDEO_DECODER_AVC_H_ */
90