[FFmpeg-devel] [PATCH] avcodec/opusdec: stop setting deprecated swr options

James Almer jamrial at gmail.com
Fri Sep 23 23:02:00 EEST 2022


On 9/23/2022 4:55 PM, Andreas Rheinhardt wrote:
> James Almer:
>> Signed-off-by: James Almer <jamrial at gmail.com>
>> ---
>>   libavcodec/opusdec.c | 11 +++++++----
>>   1 file changed, 7 insertions(+), 4 deletions(-)
>>
>> diff --git a/libavcodec/opusdec.c b/libavcodec/opusdec.c
>> index c04aa598b8..8b10bd1a25 100644
>> --- a/libavcodec/opusdec.c
>> +++ b/libavcodec/opusdec.c
>> @@ -640,7 +640,7 @@ static av_cold int opus_decode_init(AVCodecContext *avctx)
>>   
>>       for (i = 0; i < c->nb_streams; i++) {
>>           OpusStreamContext *s = &c->streams[i];
>> -        uint64_t layout;
>> +        AVChannelLayout layout;
>>   
>>           s->output_channels = (i < c->nb_stereo_streams) ? 2 : 1;
>>   
>> @@ -658,14 +658,17 @@ static av_cold int opus_decode_init(AVCodecContext *avctx)
>>           if (!s->swr)
>>               return AVERROR(ENOMEM);
>>   
>> -        layout = (s->output_channels == 1) ? AV_CH_LAYOUT_MONO : AV_CH_LAYOUT_STEREO;
>> +        layout = (s->output_channels == 1) ? (AVChannelLayout)AV_CHANNEL_LAYOUT_MONO :
>> +                                             (AVChannelLayout)AV_CHANNEL_LAYOUT_STEREO;
>>           av_opt_set_int(s->swr, "in_sample_fmt",      avctx->sample_fmt,  0);
>>           av_opt_set_int(s->swr, "out_sample_fmt",     avctx->sample_fmt,  0);
>> -        av_opt_set_int(s->swr, "in_channel_layout",  layout,             0);
>> -        av_opt_set_int(s->swr, "out_channel_layout", layout,             0);
>> +        av_opt_set_chlayout(s->swr, "in_chlayout",   &layout,            0);
>> +        av_opt_set_chlayout(s->swr, "out_chlayout",  &layout,            0);
>>           av_opt_set_int(s->swr, "out_sample_rate",    avctx->sample_rate, 0);
>>           av_opt_set_int(s->swr, "filter_size",        16,                 0);
>>   
>> +        av_channel_layout_uninit(&layout);
> 
> Unnecessary. You are not even using any of the av_channel_layout*
> function to init layout.

I know it's unnecessary, but it's to promote the good habit of 
uninitializing layouts when you're done with them.

> 
>> +
>>           ret = ff_silk_init(avctx, &s->silk, s->output_channels);
>>           if (ret < 0)
>>               return ret;
> 
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