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| | | extern "C"
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| | | {
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| | | #include <libyuv.h>
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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 "libavutil/imgutils.h"
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| | | }
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| | |
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| | | struct PL_H264Encoder_Internal
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| | | struct H264Encoder_Internal
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| | | {
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| | | uint8_t buffer[1920*1080*4];
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| | | uint8_t buffer[1920*1080*3];
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| | | size_t buffSize;
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| | | size_t buffSizeMax;
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| | |
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| | | bool payError;
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| | | bool ffmpegInited;
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| | | size_t frameCount;
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| | |
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| | | AVCodecContext* pAVCodecContext;
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| | | AVFrame* pAVFrame;//#todo delete
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| | |
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| | | PL_H264Encoder_Internal() : |
| | | H264Encoder_Internal() : |
| | | buffSize(0), buffSizeMax(sizeof(buffer)),
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| | | payError(true)
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| | | payError(true), ffmpegInited(false), frameCount(0), |
| | | pAVCodecContext(nullptr), pAVFrame(nullptr)
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| | | |
| | | {
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| | | }
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| | |
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| | | ~PL_H264Encoder_Internal()
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| | | ~H264Encoder_Internal()
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| | | {
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| | | }
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| | |
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| | |
| | | {
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| | | buffSize = 0;
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| | | payError = true;
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| | | ffmpegInited = false;
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| | | frameCount = 0;
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| | | |
| | | pAVCodecContext = nullptr;
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| | | pAVFrame = nullptr;
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| | | }
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| | | };
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| | |
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| | |
| | | return new PL_H264Encoder;
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| | | }
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| | |
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| | | PL_H264Encoder::PL_H264Encoder() : internal(new PL_H264Encoder_Internal)
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| | | PL_H264Encoder::PL_H264Encoder() : internal(new H264Encoder_Internal)
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| | | {
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| | | }
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| | |
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| | | PL_H264Encoder::~PL_H264Encoder()
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| | | {
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| | | delete (PL_H264Encoder_Internal*)internal;
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| | | delete (H264Encoder_Internal*)internal;
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| | | internal= nullptr;
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| | | }
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| | |
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| | | bool PL_H264Encoder::init(void* args)
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| | | {
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| | | PL_H264Encoder_Internal* in = (PL_H264Encoder_Internal*)internal;
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| | | H264Encoder_Internal* in = (H264Encoder_Internal*)internal;
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| | | in->reset();
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| | |
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| | | |
| | | return true;
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| | | }
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| | |
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| | | void PL_H264Encoder::finit()
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| | | {
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| | | PL_H264Encoder_Internal* in = (PL_H264Encoder_Internal*)internal;
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| | | H264Encoder_Internal* in = (H264Encoder_Internal*)internal;
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| | |
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| | | }
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| | |
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| | | bool initH264EncoderEnv(H264Encoder_Internal* in)
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| | | {
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| | | av_register_all();
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| | |
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| | | // find the video encoder
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| | | AVCodec* avCodec = avcodec_find_encoder(AV_CODEC_ID_H264);
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| | |
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| | | if (!avCodec) |
| | | { |
| | | printf("codec not found!\n"); |
| | | return false; |
| | | } |
| | |
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| | | in->pAVCodecContext = avcodec_alloc_context3(avCodec);
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| | |
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| | | in->pAVCodecContext->bit_rate = 3*1024*1024*8; // 3MB
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| | | in->pAVCodecContext->width = 1920;
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| | | in->pAVCodecContext->height = 1080;//#todo from config
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| | | in->pAVCodecContext->time_base.num=1;
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| | | in->pAVCodecContext->time_base.den=25;
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| | | in->pAVCodecContext->gop_size = 20;
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| | | in->pAVCodecContext->max_b_frames = 0;
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| | | in->pAVCodecContext->pix_fmt = AV_PIX_FMT_YUV420P;
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| | |
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| | | if(avcodec_open2(in->pAVCodecContext, avCodec, NULL) >= 0)
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| | | {
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| | | in->pAVFrame = av_frame_alloc(); // Allocate video frame
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| | | |
| | | in->pAVFrame->format = in->pAVCodecContext->pix_fmt; |
| | | in->pAVFrame->width = in->pAVCodecContext->width; |
| | | in->pAVFrame->height = in->pAVCodecContext->height;
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| | | |
| | | int ret = av_image_alloc(in->pAVFrame->data, in->pAVFrame->linesize, in->pAVCodecContext->width, in->pAVCodecContext->height, |
| | | in->pAVCodecContext->pix_fmt, 16); |
| | | if (ret < 0)
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| | | { |
| | | printf("av_image_alloc error\n");
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| | | return false;
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| | | } |
| | | }
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| | | else
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| | | {
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| | | printf("avcodec_open2 error\n");
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| | | return false;
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| | | }
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| | | |
| | | return true;
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| | | }
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| | |
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| | | void copyAVFrame(AVFrame* dest, AVFrame* src)
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| | | {
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| | | int height = dest->height;
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| | | int width = dest->width;
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| | | |
| | | memcpy(dest->data[0], src->data[0], height * width); // Y
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| | | memcpy(dest->data[1], src->data[1], height * width / 4); // U
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| | | memcpy(dest->data[2], src->data[2], height * width / 4); // V
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| | | }
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| | |
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| | | bool encodeH264(H264Encoder_Internal* in, AVFrame* pAVFrame, size_t buffSize) |
| | | {
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| | | in->buffSize = 0;
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| | | in->frameCount++;
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| | |
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| | | copyAVFrame(in->pAVFrame, pAVFrame);
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| | | in->pAVFrame->pts = in->frameCount;
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| | | |
| | | AVPacket pAVPacket = {0};
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| | | av_init_packet(&pAVPacket);
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| | | |
| | | // encode the image
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| | | int gotPacket = 0;
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| | | int ret = avcodec_encode_video2(in->pAVCodecContext, &pAVPacket, in->pAVFrame, &gotPacket); |
| | | if (ret < 0)
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| | | {
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| | | printf("avcodec_encode_video2 (1) error=%d\n", ret);
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| | | return false;
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| | | }
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| | | |
| | | if (gotPacket > 0)
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| | | {
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| | | printf("Succeed to encode (1) frame=%d, size=%d\n", in->pAVFrame->pts, pAVPacket.size);
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| | | memcpy(in->buffer + in->buffSize, pAVPacket.data, pAVPacket.size);
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| | | in->buffSize += pAVPacket.size;
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| | | av_free_packet(&pAVPacket);
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| | | }
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| | | |
| | | //#todo finit
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| | | //Flush Encoder |
| | | //while (gotPacket > 0)
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| | | //{ |
| | | // ret = avcodec_encode_video2(in->pAVCodecContext, &pAVPacket, NULL, &gotPacket);
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| | | // if (ret < 0)
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| | | // {
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| | | // printf("avcodec_encode_video2 (2) error=%d\n", ret);
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| | | // return false;
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| | | // } |
| | | // if (gotPacket > 0)
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| | | // { |
| | | // printf("Succeed to encode (2) frame=%d, size=%d\n", in->pAVFrame->pts, pAVPacket.size);
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| | | // memcpy(in->buffer + in->buffSize, pAVPacket.data, pAVPacket.size);
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| | | // in->buffSize += pAVPacket.size; |
| | | // av_free_packet(&pAVPacket); |
| | | // } |
| | | //} |
| | | |
| | | //#test
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| | | if (in->buffSize > 0)
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| | | {
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| | | static FILE * pFile = fopen("out.h264","wba+");
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| | | fwrite (in->buffer , sizeof(char), in->buffSize, pFile);
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| | | fflush(pFile);
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| | | }
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| | | |
| | | in->payError = (in->buffSize == 0);
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| | | return !(in->payError);
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| | | }
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| | |
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| | | bool PL_H264Encoder::pay(const PipeMaterial& pm)
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| | | {
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| | | PL_H264Encoder_Internal* in = (PL_H264Encoder_Internal*)internal;
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| | | H264Encoder_Internal* in = (H264Encoder_Internal*)internal;
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| | |
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| | | //in->buffer readly
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| | |
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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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| | |
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| | | return true;
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| | | in->payError = true;
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| | | |
| | | if (!in->ffmpegInited)
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| | | {
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| | | bool ret = initH264EncoderEnv(in);
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| | | if (!ret)
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| | | {
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| | | printf("initH264EncoderEnv error");
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| | | return false;
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| | | }
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| | | else
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| | | in->ffmpegInited = true;
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| | | }
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| | | |
| | | bool ret = encodeH264(in, (AVFrame*)pm.buffer, pm.buffSize);
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| | | in->payError = !ret;
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| | | return ret;
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| | | }
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| | |
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| | | bool PL_H264Encoder::gain(PipeMaterial& pm)
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| | | {
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| | | PL_H264Encoder_Internal* in = (PL_H264Encoder_Internal*)internal;
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| | | H264Encoder_Internal* in = (H264Encoder_Internal*)internal;
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| | |
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| | | pm.buffer = in->buffer;
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| | | pm.buffSize = in->buffSize;
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| | | if (!in->payError)
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| | | {
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| | | pm.buffer = in->buffer;
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| | | pm.buffSize = in->buffSize;
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| | | }
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| | | pm.former = this;
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| | | return true;
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| | | return !in->payError;
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| | | }
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