#11100: `streamselect` Assertion parent->nb_outputs == 1 failed -------------------------------------+------------------------------------- Reporter: ManDay | Type: defect Status: new | Priority: normal Component: avfilter | Version: git- Keywords: | master streamselect assertion failed | Blocked By: Blocking: | Reproduced by developer: 0 Analyzed by developer: 0 | -------------------------------------+------------------------------------- `streamselect` currently does not seem to work for more than 1 input: {{{ ffmpeg -loglevel debug -filter_complex "color=d=1,split,streamselect=2:'1 0',concat" /tmp/test.mp4 }}} produces {{{ [Parsed_streamselect_2 @ 0x5564f04ef380] Add in pad input0 [Parsed_streamselect_2 @ 0x5564f04ef380] Add in pad input1 [Parsed_streamselect_2 @ 0x5564f04ef380] Add out pad output0 [Parsed_streamselect_2 @ 0x5564f04ef380] Add out pad output1 [Parsed_streamselect_2 @ 0x5564f04ef380] Configured with 2 inpad and 2 outpad [Parsed_streamselect_2 @ 0x5564f04ef380] n=1 map=0x5564f04d3c80 p=0x5564f04d3c81 [Parsed_streamselect_2 @ 0x5564f04ef380] Map input stream 1 to output stream 0 [Parsed_streamselect_2 @ 0x5564f04ef380] n=0 map=0x5564f04d3c81 p=0x5564f04d3c83 [Parsed_streamselect_2 @ 0x5564f04ef380] Map input stream 0 to output stream 1 [Parsed_streamselect_2 @ 0x5564f04ef380] n=0 map=0x5564f04d3c83 p=0x5564f04d3c83 [Parsed_streamselect_2 @ 0x5564f04ef380] 2 map set [format @ 0x5564f04f2da0] Setting 'pix_fmts' to value 'yuv420p|yuvj420p|yuv422p|yuvj422p|yuv444p|yuvj444p|nv12|nv16|nv21|yuv420p10le|yuv422p10le|yuv444p10le|nv20le|gray|gray10le' [AVFilterGraph @ 0x5564f04ee960] query_formats: 6 queried, 5 merged, 2 already done, 0 delayed [Parsed_streamselect_2 @ 0x5564f04ef380] config output link 0 with settings from input link 1 Assertion parent->nb_outputs == 1 failed at src/libavfilter/framesync.c:91 }}} -- Ticket URL: <https://trac.ffmpeg.org/ticket/11100> FFmpeg <https://ffmpeg.org> FFmpeg issue tracker