n加1网站建设,济南行业网站建设,付费论坛源码,电子商城网站开发项目经验操作系统#xff1a;ubuntu 注意事项#xff1a; 1.ts文件顺序必须正确#xff0c;也就是下一帧的dst和pst要比上一帧的大#xff0c;否则会报错 2.codecpar-codec_tag要设置为0#xff0c;否则报错Tag [27][0][0][0] incompatible with output codec id ‘27’ (avc1…操作系统ubuntu 注意事项 1.ts文件顺序必须正确也就是下一帧的dst和pst要比上一帧的大否则会报错 2.codecpar-codec_tag要设置为0否则报错Tag [27][0][0][0] incompatible with output codec id ‘27’ (avc1) 3.设置output的max_streams数目默认是1000超过此数目就会报错 #include iostream
#include dirent.h
#include vectorextern C {
#include include/libavformat/avformat.h
#include include/libavcodec/avcodec.h
}//#pragma comment(lib,avformat.lib)
//#pragma comment(lib,avcodec.lib)using namespace std;int ts2Mp4(const string,const string,int);int main(int argc, char* argv[])
{//const string ts_filename argv[1];//const string output_filename ../1.mp4;//argv[2];ts2Mp4(argv[1],argv[2],atoi(argv[3]));return 0;
}int ts2Mp4(const string ts_path,const string mp4_path,int ts_count){/*vectorstring ts_list;DIR *pDir;struct dirent* ptr;if(!(pDir opendir(ts_path.c_str()))){printf(cannot open ts dir\n);return -1;}while((ptr readdir(pDir))!0) {if (strcmp(ptr-d_name, .) ! 0 strcmp(ptr-d_name,..)!0){ts_list.push_back(ptr-d_name);}}closedir(pDir);*/// create output context AVFormatContext* output_ctx NULL;if (avformat_alloc_output_context2(output_ctx, NULL, NULL, mp4_path.c_str()) 0) {fprintf(stderr, Failed to create output context\n);return -1;}//set the max streams number,default is 1000output_ctx-max_streams3000;int video_stream_idx -1;vectorAVFormatContext* input_ctx_list;for(int i0;its_count;i){// open input file char ts[256];sprintf(ts,%s%s%d%s,ts_path.c_str(),/,i,.ts);//string tstmp;printf(%s\n,ts);if(strcmp(.ts,strstr(ts,.ts))!0) continue;AVFormatContext* input_ctx NULL;if (avformat_open_input(input_ctx, ts, NULL, NULL) ! 0) {fprintf(stderr, Failed to open input file %s\n, ts);return -1;}if (avformat_find_stream_info(input_ctx, NULL) 0) {fprintf(stderr, Failed to retrieve input stream information\n);return -1;}input_ctx_list.push_back(input_ctx);// add streams for (int i 0; i input_ctx-nb_streams; i) {AVStream* in_stream input_ctx-streams[i];AVCodecParameters* in_codecpar in_stream-codecpar;if (in_codecpar-codec_type AVMEDIA_TYPE_VIDEO || in_codecpar-codec_type AVMEDIA_TYPE_AUDIO) {AVStream* out_stream avformat_new_stream(output_ctx, NULL);if (!out_stream) {fprintf(stderr, Failed to allocate output stream\n);return -1;}if (avcodec_parameters_copy(out_stream-codecpar, in_codecpar) 0) {fprintf(stderr, Failed to copy codec parameters\n);return -1;}out_stream-codecpar-codec_tag 0;if (in_codecpar-codec_type AVMEDIA_TYPE_VIDEO)video_stream_idx out_stream-index;}}}// open output file if (!(output_ctx-oformat-flags AVFMT_NOFILE)) {if (avio_open(output_ctx-pb, mp4_path.c_str(), AVIO_FLAG_WRITE) 0) {fprintf(stderr, Could not open output file %s\n, mp4_path.c_str());return -1;}}// write header if (avformat_write_header(output_ctx, NULL) 0) {fprintf(stderr, Error occurred when opening output file\n);return -1;}int pkt_cnt 0;// copy packets //int stream_index 0;for(int i0;iinput_ctx_list.size();i){AVFormatContext* input_ctxinput_ctx_list[i];AVPacket packet;int ret 0;while (av_read_frame(input_ctx, packet) 0) {//printf(%d,%d\n,video_stream_idx,packet.stream_index);AVStream* in_stream input_ctx-streams[packet.stream_index];AVStream* out_stream output_ctx-streams[packet.stream_index];// copy packetpacket.pts av_rescale_q_rnd(packet.pts, in_stream-time_base, out_stream-time_base,(AVRounding)(AV_ROUND_NEAR_INF | AV_ROUND_PASS_MINMAX));packet.dts av_rescale_q_rnd(packet.dts, in_stream-time_base, out_stream-time_base,(AVRounding)(AV_ROUND_NEAR_INF | AV_ROUND_PASS_MINMAX));packet.duration av_rescale_q(packet.duration, in_stream-time_base, out_stream-time_base);//printf(%ld,%ld,%ld\n,packet.pts,packet.dts,packet.duration);packet.pos -1;if (packet.stream_index video_stream_idx) {//printf(Send video %8d\n, pkt_cnt);pkt_cnt;}ret av_interleaved_write_frame(output_ctx, packet);if (ret 0) {fprintf(stderr, Error muxing packet\n);break;}av_packet_unref(packet);}// close input avformat_close_input(input_ctx);}// write trailer if (av_write_trailer(output_ctx) 0) {fprintf(stderr, Error occurred when writing trailer\n);return -1;}// close output if (output_ctx !(output_ctx-oformat-flags AVFMT_NOFILE))avio_closep(output_ctx-pb);avformat_free_context(output_ctx);printf(convert success!\n); return 0;
}
