#include "PL_AVFrameBGRA.h"
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extern "C"
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{
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#include <libavcodec/avcodec.h>
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#include <libavutil/frame.h>
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#include <libavformat/avformat.h>
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#include <libyuv.h>
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}
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struct PL_AVFrameBGRA_Internal
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{
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uint8_t buffer[1920*1080*4];
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size_t buffSize;
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size_t buffSizeMax;
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bool payError;
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PL_AVFrameBGRA_Internal() :
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buffSize(0), buffSizeMax(sizeof(buffer)),
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payError(true)
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{
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}
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~PL_AVFrameBGRA_Internal()
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{
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}
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void reset()
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{
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buffSize = 0;
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payError = true;
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}
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};
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PipeLineElem* create_PL_AVFrameBGRA()
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{
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return new PL_AVFrameBGRA;
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}
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PL_AVFrameBGRA::PL_AVFrameBGRA() : internal(new PL_AVFrameBGRA_Internal)
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{
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}
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PL_AVFrameBGRA::~PL_AVFrameBGRA()
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{
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delete (PL_AVFrameBGRA_Internal*)internal;
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internal= nullptr;
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}
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bool PL_AVFrameBGRA::init(void* args)
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{
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PL_AVFrameBGRA_Internal* in = (PL_AVFrameBGRA_Internal*)internal;
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in->reset();
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return true;
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}
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void PL_AVFrameBGRA::finit()
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{
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PL_AVFrameBGRA_Internal* in = (PL_AVFrameBGRA_Internal*)internal;
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}
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#define SUBSAMPLE(v, a) ((((v) + (a) - 1)) / (a))
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bool PL_AVFrameBGRA::pay(const PipeMaterial& pm)
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{
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PL_AVFrameBGRA_Internal* in = (PL_AVFrameBGRA_Internal*)internal;
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AVFrame* pAVFrame = (AVFrame*)pm.buffer;
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if (pAVFrame == nullptr)
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return false;
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int height = pAVFrame->height;
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int width = pAVFrame->width;
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//int I420ToBGRA(const uint8* src_y, int src_stride_y,
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// const uint8* src_u, int src_stride_u,
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// const uint8* src_v, int src_stride_v,
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// uint8* dst_argb, int dst_stride_argb,
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// int width, int height);
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libyuv::I420ToBGRA(pAVFrame->data[0], width,
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pAVFrame->data[1], SUBSAMPLE(width, 2),
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pAVFrame->data[2], SUBSAMPLE(width, 2),
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in->buffer, 4 * width,
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width, height);
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in->buffSize = in->buffSizeMax;
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//in->buffer readly
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static size_t f=0;
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char fname[50];
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sprintf(fname, "%u.bgra", ++f);
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FILE * pFile = fopen (fname,"wb");
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fwrite (in->buffer , sizeof(char), in->buffSize, pFile);
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fclose(pFile);
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return true;
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}
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bool PL_AVFrameBGRA::gain(PipeMaterial& pm)
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{
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PL_AVFrameBGRA_Internal* in = (PL_AVFrameBGRA_Internal*)internal;
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pm.buffer = in->buffer;
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pm.buffSize = in->buffSize;
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pm.former = this;
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return true;
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}
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