I'm trying to generate a number of HLS streams from a single source
including using the new webvtt for cc.
The following command:
ffmpeg -i test.ts -vn -f hls -hls_segment_filename "a.%d.ts" -y "a.m3u8"
Works as expected, but
ffmpeg -f lavfi -i "movie=test.ts[out0+subcc]" -vn -sn -f hls
-hls_segment_filename "a.%d.ts" -y "a.m3u8"
Fails with:
ffmpeg version N-70148-g418be7c Copyright (c) 2000-2015 the FFmpeg
developers
built with gcc 4.8 (Ubuntu 4.8.2-19ubuntu1)
configuration: --enable-shared --enable-gpl --enable-nonfree
--enable-libxvid --enable-libx264 --enable-libmp3lame --enable-libvorbis
--enable-libfaac --enable-libopenjpeg
libavutil 54. 19.100 / 54. 19.100
libavcodec 56. 26.100 / 56. 26.100
libavformat 56. 23.104 / 56. 23.104
libavdevice 56. 4.100 / 56. 4.100
libavfilter 5. 11.101 / 5. 11.101
libswscale 3. 1.101 / 3. 1.101
libswresample 1. 1.100 / 1. 1.100
libpostproc 53. 3.100 / 53. 3.100
[mpeg2video @ 0x1c777a0] Invalid frame dimensions 0x0.
Last message repeated 35 times
Input #0, lavfi, from 'movie=test.ts[out0+subcc]':
Duration: N/A, start: 9602.931211, bitrate: N/A
Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p,
1920x1080 [SAR 1:1 DAR 16:9], 29.97 fps, 29.97 tbr, 90k tbn, 90k tbc
Stream #0:1: Subtitle: eia_608
Output #0, hls, to 'a.m3u8':
Output file #0 does not contain any stream
I get that I surpressed the video stream, and the audio is merged with
it. How do I get it out without changing the input? I ultimately need to
generate multiple streams including cc from a single input, so I can't
remove cc from the input.
Thanks,
Deron
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