[FFmpeg-trac] #5881(avformat:open): Allow writing subtitle only hls streams (was: unable to mux dvb_teletext as webvtt hls : (incorrect codec parameters ?): Invalid argument)
FFmpeg
trac at avcodec.org
Sat Oct 15 14:10:44 EEST 2016
#5881: Allow writing subtitle only hls streams
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Reporter: cbass | Owner:
Type: enhancement | Status: open
Priority: normal | Component: avformat
Version: unspecified | Resolution:
Keywords: hls webvtt | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
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Changes (by cus):
* status: new => open
* type: defect => enhancement
* component: undetermined => avformat
Comment:
I don't think ffmpeg is capable of writing a HLS stream without at least
an audio component. Until then, you can workaround this by writing an
audio stream in addition to the subtitle. Also you might want to use
-fix_sub_duration flag if converting from dvb teletext.
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Ticket URL: <https://trac.ffmpeg.org/ticket/5881#comment:2>
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