[FFmpeg-devel] [PATCH v3 4/5] avformat/movenc: add PCM in mp4 support

["zhilizhao(赵志立)"]

> On Mar 6, 2023, at 20:28, Tomas Härdin <git at haerdin.se> wrote:
> 
>> +static int mov_write_chnl_tag(AVFormatContext *s, AVIOContext *pb,
>> MOVTrack *track)
>> +{
>> +    int64_t pos = avio_tell(pb);
>> +    int config = 0;
>> +    int ret;
>> +    uint8_t *speaker_pos = NULL;
>> +    const AVChannelLayout *layout = &track->par->ch_layout;
>> +
>> +    ret = ff_mov_get_channel_config_from_layout(layout, &config);
>> +    if (ret || !config) {
> 
> ret is always 0..

That implementation details. It’s robust for caller to not depending
on that.

> 
> 
> /Tomas
> 
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