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 23 class OMXVideoDecoderAVC : public OMXVideoDecoderBase { 24 public: 25 OMXVideoDecoderAVC(); 26 virtual ~OMXVideoDecoderAVC(); 27 28 protected: 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 48 private: 49 inline OMX_ERRORTYPE AccumulateBuffer(OMX_BUFFERHEADERTYPE *buffer); 50 inline OMX_ERRORTYPE FillDecodeBuffer(VideoDecodeBuffer *p); 51 52 private: 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 82 private: 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