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