[FFmpeg-devel] [PATCH] avformat/hlsenc: enhanced %v handling with variant names

Liu Steven lq at chinaffmpeg.org
Wed Jun 19 13:02:29 EEST 2019



> 在 2019年6月19日,下午6:00,Bodecs Bela <bodecsb at vivanet.hu> 写道:
> 
> 
> 2019.06.19. 11:37 keltezéssel, Michael Niedermayer írta:
>> On Tue, Jun 18, 2019 at 11:09:12PM +0200, Bodecs Bela wrote:
>>> Dear All,
>>> 
>>> When multiple variant streams are specified by var_stream_map option, %v
>>> placeholder in various names ensures that each variant has its unique
>>> names. Currently %v is substituted by its variant index value (0, 1, 2
>>> etc.). In some use cases it would be handy to specify names for variants
>>> instead of numerical indexes. This patch makes it possible to use names
>>> instead of default indexes. In var_stream_map option each or some of the
>>> variant streams may use an optional name attributum (e.g.
>>> -var_stream_map "v:0,a:0,name:sd v:1,a:1,name:720p") If a name is
>>> specified for a variant, then this name value will be used as
>>> substitution value of %v instead of the default index value.
>>> 
>>> 
>>> example:
>>> ffmpeg -re -i in.ts -b:v:0 1000k -b:v:1 256k -b:a:0 64k -b:a:1 32k \
>>>   -map 0:v:0 -map 0:a:0 -map 0:v:1 -map 0:a:1 -f hls -var_stream_map
>>> "v:0,a:0,name:my_hd v:1,a:1,name:mysd" \
>>>   http://example.com/live/out_%v.m3u8
>>> 
>>> This example creates two hls variant streams, the two output media playlist
>>> with file names out_my_hd.m3u8 and out_mysd.m3u8 will be created.
>>> 
>>> Please review this patch.
>>> 
>>> best regards,
>> maybe i made a mistake but this seems not to apply
>> 
>> Applying: avformat/hlsenc: enhanced %v handling with variant names
>> error: sha1 information is lacking or useless (libavformat/hlsenc.c).
>> error: could not build fake ancestor
>> Patch failed at 0001 avformat/hlsenc: enhanced %v handling with variant names
>> hint: Use 'git am --show-current-patch' to see the failed patch
>> When you have resolved this problem, run "git am --continue".
>> If you prefer to skip this patch, run "git am --skip" instead.
>> To restore the original branch and stop patching, run "git am --abort".
>> 
>> [...]
>> 
>> 
> I think it relates to the fact - as I mentioned my other post - that I created two related patches and I send them into the list as unrelated patches.
> 
> I will wait for my earlier patch to be applied and then I reissue this patch again.
Let me push it :D
> 
> best,
> 
> bb
> 
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