[FFmpeg-devel] [PATCH 1/3] avformat/slndec: add support to set channel layout
Andreas Rheinhardt
andreas.rheinhardt at outlook.com
Sat Mar 19 00:47:08 EET 2022
James Almer:
> On 3/18/2022 7:41 PM, Andreas Rheinhardt wrote:
>> James Almer:
>>> Signed-off-by: James Almer <jamrial at gmail.com>
>>> ---
>>> libavformat/pcmdec.c | 3 ++-
>>> 1 file changed, 2 insertions(+), 1 deletion(-)
>>>
>>> diff --git a/libavformat/pcmdec.c b/libavformat/pcmdec.c
>>> index dcd13787d5..a2bcfc2814 100644
>>> --- a/libavformat/pcmdec.c
>>> +++ b/libavformat/pcmdec.c
>>> @@ -170,7 +170,8 @@ PCMDEF(vidc, "PCM Archimedes
>>> VIDC", NULL, VIDC)
>>> #if CONFIG_SLN_DEMUXER
>>> static const AVOption sln_options[] = {
>>> { "sample_rate", "", offsetof(PCMAudioDemuxerContext,
>>> sample_rate), AV_OPT_TYPE_INT, {.i64 = 8000}, 0, INT_MAX,
>>> AV_OPT_FLAG_DECODING_PARAM },
>>> - { "channels", "", offsetof(PCMAudioDemuxerContext,
>>> channels), AV_OPT_TYPE_INT, {.i64 = 1}, 0, INT_MAX,
>>> AV_OPT_FLAG_DECODING_PARAM },
>>> + { "channels", "", offsetof(PCMAudioDemuxerContext,
>>> channels), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX,
>>> AV_OPT_FLAG_DECODING_PARAM },
>>> + { "ch_layout", "", offsetof(PCMAudioDemuxerContext,
>>> ch_layout), AV_OPT_TYPE_CHLAYOUT, {.str = "mono"}, 0, 0,
>>> AV_OPT_FLAG_DECODING_PARAM },
>>> { NULL },
>>> };
>>>
>>
>> There is no avformat/slndec. And I presume it is possible to set an
>> unspecified channel layout via AV_OPT_TYPE_CHLAYOUT, so why don't you
>> deprecate the now redundant channels option?
>
> There is no slndec, but it's the sln demuxer, so it seemed better than
> to write pcmdec. I can change it if you want.
>
The naming convention contains the (main) file that is changed; the fact
that it is about the sln demuxer can (and should) be mentioned in the
commit title afterwards like: "avformat/pcmdec: Add support for channel
layouts for sln"
- Andreas
More information about the ffmpeg-devel
mailing list