使用ffmpeg推流B站报错“Error opening output"... 推流码从b站开播设置中获取,命令如下:./ffmpeg -re -stream_loop -1 -i input.mp4 -vcodec copy -acodec copy -f flv rtmp://live-push.bilivideo.com/live-bvc/?streamname=live_423756438_27609488&key=598e9dbfe97fa07573a7cef7d56446ad&schedule=rtmp...
I did RTFM, but I must've ran a make clean or something of that effect in the middle of the process and forgot about it, so when I tried to re-build ffmpeg it ended up with that error. By the way, if you don't mind me asking, did you have any success with the encoder? I ...
printf("ERROR: Could not deduce output format from file extension: using mp4. \n"); ret = avformat_alloc_output_context2(&g_OutFmt_Ctx, NULL, "mp4", pszFileName); if (NULL == g_OutFmt_Ctx || ret < 0) { printf("avformat_alloc_output_context2 error!, %d\n", ret); return -...
[vost#0:0/h264_qsv @ 000001b5322b4540] Error initializing a simple filtergraph Error opening output file output.mp4. Error opening output files: Unknown error occurred 这个时候可以考虑使用cpu解码而使用显卡加速编码: ffmpeg -c:v hevc -i input.mp4 -c:v h264_qsv -b:v 2500k -bufsize 2500...
}//Write file headerif(avformat_write_header(poFormatCtx, NULL) <0) {printf("Error occurred when opening output file\n");return-1; }//开始写文件pkt =av_packet_alloc();while(1) { AVFormatContext* ifmt_ctx; int stream_index =0; ...
printf("Error occurred when opening output file\r\n"); } // 7.为frame分配buffer frame_out->format = codec_out_ctx->pix_fmt; frame_out->width = codec_out_ctx->width; frame_out->height = codec_out_ctx->height; ret = av_frame_get_buffer(frame_out, 0); ...
最近有一个任务,需要使用FFmpeg拼接多个视频视频。我选择的指令是 ffmpeg-f-concat0-i/Users/yanjunhui/Desktop/contact.txt-ccopy/Users/yanjunhui/Desktop/output.mp4 contact.txt 内容如下 file /Users/yanjunhui/Desktop/input.mp4 file /Users/yanjunhui/Desktop/input.mp4 ...
Indicates that log output should add a[level]prefix to each message line. This can be used as an alternative to log coloring, e.g. when dumping the log to file. Flags can also be used alone by adding a ’+’/’-’ prefix to set/reset a single flag without affecting other flags or...
avformat_alloc_output_context2(&ofmt_ctx, NULL, NULL, out_filename); if (!ofmt_ctx) { fprintf(stderr, "Could not create output context\n"); ret = AVERROR_UNKNOWN; goto end; } stream_mapping_size = ifmt_ctx->nb_streams;
[AVFormatContext @ 000002f1af7e2b00] Unable to choose an output format for '–version'; use a standard extension for the filename or specify the format manually.[out#0 @ 000002f1af801540] Error initializing the muxer for –version: Invalid argumentError opening output file –version.Error op...