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103 lines
2 KiB
C++
103 lines
2 KiB
C++
#include "flv_f263_decoder.h"
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#include "lib.h"
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int FLVDecoderCreator::CreateVideoDecoder(int format_type, int width, int height, ifc_flvvideodecoder **decoder)
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{
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if (format_type == FLV::VIDEO_FORMAT_SORENSON)
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{
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void *ctx = F263_CreateDecoder();
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if (!ctx)
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return CREATEDECODER_FAILURE;
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*decoder = new FLVSorenson(ctx);
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return CREATEDECODER_SUCCESS;
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}
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return CREATEDECODER_NOT_MINE;
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}
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int FLVDecoderCreator::HandlesVideo(int format_type)
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{
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if (format_type == FLV::VIDEO_FORMAT_SORENSON)
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{
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return CREATEDECODER_SUCCESS;
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}
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return CREATEDECODER_NOT_MINE;
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}
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#define CBCLASS FLVDecoderCreator
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START_DISPATCH;
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CB(CREATE_VIDEO_DECODER, CreateVideoDecoder)
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CB(HANDLES_VIDEO, HandlesVideo)
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END_DISPATCH;
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#undef CBCLASS
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/* --- */
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FLVSorenson::FLVSorenson(void *decoder) : decoder(decoder)
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{
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last_timestamp=0;
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width=0;
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height=0;
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decoded=0;
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}
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int FLVSorenson::GetOutputFormat(int *x, int *y, int *color_format)
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{
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if (width && height)
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{
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*x = width;
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*y = height;
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*color_format = '21VY';
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return FLV_VIDEO_SUCCESS;
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}
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return FLV_VIDEO_FAILURE;
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}
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int FLVSorenson::DecodeSample(const void *inputBuffer, size_t inputBufferBytes, int32_t timestamp)
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{
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last_timestamp = timestamp;
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int keyframe;
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int ret = F263_DecodeFrame(decoder, const_cast<void *>(inputBuffer), inputBufferBytes, &yv12, &width, &height, &keyframe);
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if (ret == F263_OK)
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{
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decoded=1;
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return FLV_VIDEO_SUCCESS;
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}
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else
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return FLV_VIDEO_FAILURE;
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}
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void FLVSorenson::Flush()
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{
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}
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void FLVSorenson::Close()
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{
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if (decoder)
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F263_DestroyDecoder(decoder);
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delete this;
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}
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int FLVSorenson::GetPicture(void **data, void **decoder_data, uint64_t *timestamp)
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{
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if (decoded)
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{
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*timestamp = last_timestamp;
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*decoder_data = 0;
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*data = &yv12;
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decoded=0;
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return FLV_VIDEO_SUCCESS;
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}
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return FLV_VIDEO_FAILURE;
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}
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#define CBCLASS FLVSorenson
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START_DISPATCH;
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CB(FLV_VIDEO_GETOUTPUTFORMAT, GetOutputFormat)
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CB(FLV_VIDEO_DECODE, DecodeSample)
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VCB(FLV_VIDEO_FLUSH, Flush)
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VCB(FLV_VIDEO_CLOSE, Close)
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CB(FLV_VIDEO_GET_PICTURE, GetPicture)
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END_DISPATCH;
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#undef CBCLASS
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