[FFmpeg-devel] [PATCH] avformat/hlsenc: better checking var_stream_map content

Steven Liu lq at chinaffmpeg.org
Sat Jun 22 13:27:39 EEST 2019

> 在 2019年6月20日,15:46,Bodecs Bela <bodecsb at vivanet.hu> 写道:
> Dear All,
> When multiple variant streams are specified by var_stream_map option,
> implementation assumes that each elementary stream is assigned only once
> to any variant. But this is not checked currently. But 2nd and further instances
> of same elementary source streams are silently neglected without any notice.
> Examples for invalid var_stream_map content:
> "v:0,a:0 v:1,a:0"
> This is invalid because 1st and 2nd variant also contains a:0 source
> "v:0,a:0,v:0 v:1,a:1"
> This is invalid because 1st variant source contains v:0 twice.
> This patch makes this checking early, during the var_stream_map parsing phase.
> please review this patch.
> best
> Bela
> <0001-avformat-hlsenc-better-checking-var_stream_map-conte.patch>_______________________________________________
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