[FFmpeg-devel] [PATCH 14/38] lavu/opt: factor per-type dispatch out of av_opt_set()

[Michael Niedermayer]

On Sun, Mar 03, 2024 at 01:17:57PM +0100, Anton Khirnov wrote:
> Quoting Anton Khirnov (2024-03-01 17:07:22)
> > Quoting Michael Niedermayer (2024-02-23 23:50:10)
> > > Hi Anton
> > > 
> > > On Fri, Feb 23, 2024 at 02:58:36PM +0100, Anton Khirnov wrote:
> > > > Will be useful in following commits.
> > > > ---
> > > 
> > > breaks:
> > > 
> > > ./ffmpeg -y -request_channel_layout 3 -i bug/401/mlp_5point1_downmixof6channel.mlp -bitexact file-2-mlp_5point1_downmixof6channel.wav
> > > 
> > > [mlp @ 0x55690e23ff80] Error setting option request_channel_layout to value 3.
> > > [mlp @ 0x55690e23ed00] Failed to open codec in avformat_find_stream_info
> > > [mlp @ 0x55690e23ff80] Error setting option request_channel_layout to value 3.
> > > Input #0, mlp, from 'bug/401/mlp_5point1_downmixof6channel.mlp':
> > >   Duration: N/A, start: 0.000000, bitrate: N/A
> > >   Stream #0:0: Audio: mlp, 48000 Hz, 5.1, s32 (24 bit)
> > > [mlp @ 0x55690e257900] Error setting option request_channel_layout to value 3.
> > > [aist#0:0/mlp @ 0x55690e254dc0] [dec:mlp @ 0x55690e256f40] Error while opening decoder: Invalid argument
> > > [aost#0:0/pcm_s16le @ 0x55690e255a80] Error initializing a simple filtergraph
> > > Error opening output file file-2-mlp_5point1_downmixof6channel.wav.
> > > Error opening output files: Invalid argument
> > > 
> > > i suspect this isnt specific to the file but i can provide it if it
> > > doesnt reproduce with a other file
> > 
> > Cannot reproduce with another mlp or 5.1 ac3 file.
> 
> Cannot reproduce with your sample either. Are you sure you're using the
> right code? It's branch 'avoption_list' in my tree.

it worked with "-downmix stereo" instead of "-request_channel_layout 3"
as suggested by james

thx

[...]
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

No snowflake in an avalanche ever feels responsible. -- Voltaire
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