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avformat/dfpwmdec: add support to set channel layout 

Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
James Almer 2022-03-20 15:21:29 -03:00
parent e42e54fa4e
commit edd26bca60
1 changed files with 20 additions and 2 deletions
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22
libavformat/dfpwmdec.c
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@ -31,7 +31,10 @@
typedef struct DFPWMAudioDemuxerContext {
AVClass *class;
int sample_rate;
#if FF_API_OLD_CHANNEL_LAYOUT
int channels;
#endif
AVChannelLayout ch_layout;
} DFPWMAudioDemuxerContext;
static int dfpwm_read_header(AVFormatContext *s)
@ -39,6 +42,7 @@ static int dfpwm_read_header(AVFormatContext *s)
DFPWMAudioDemuxerContext *s1 = s->priv_data;
AVCodecParameters *par;
AVStream *st;
int ret;
st = avformat_new_stream(s, NULL);
if (!st)
@ -48,7 +52,16 @@ static int dfpwm_read_header(AVFormatContext *s)
par->codec_type = AVMEDIA_TYPE_AUDIO;
par->codec_id = s->iformat->raw_codec_id;
par->sample_rate = s1->sample_rate;
par->ch_layout.nb_channels = s1->channels;
#if FF_API_OLD_CHANNEL_LAYOUT
if (s1->ch_layout.nb_channels) {
#endif
ret = av_channel_layout_copy(&par->ch_layout, &s1->ch_layout);
if (ret < 0)
return ret;
#if FF_API_OLD_CHANNEL_LAYOUT
} else
par->ch_layout.nb_channels = s1->channels;
#endif
par->bits_per_coded_sample = 1;
par->block_align = 1;
@ -58,7 +71,12 @@ static int dfpwm_read_header(AVFormatContext *s)
static const AVOption dfpwm_options[] = {
{ "sample_rate", "", offsetof(DFPWMAudioDemuxerContext, sample_rate), AV_OPT_TYPE_INT, {.i64 = 48000}, 0, INT_MAX, AV_OPT_FLAG_DECODING_PARAM },
{ "channels", "", offsetof(DFPWMAudioDemuxerContext, channels), AV_OPT_TYPE_INT, {.i64 = 1}, 0, INT_MAX, AV_OPT_FLAG_DECODING_PARAM },
#if FF_API_OLD_CHANNEL_LAYOUT
{ "channels", "", offsetof(DFPWMAudioDemuxerContext, channels), AV_OPT_TYPE_INT, {.i64 = 1}, 0, INT_MAX, AV_OPT_FLAG_DECODING_PARAM | AV_OPT_FLAG_DEPRECATED },
{ "ch_layout", "", offsetof(DFPWMAudioDemuxerContext, ch_layout), AV_OPT_TYPE_CHLAYOUT, {.str = NULL}, 0, 0, AV_OPT_FLAG_DECODING_PARAM },
#else
{ "ch_layout", "", offsetof(DFPWMAudioDemuxerContext, ch_layout), AV_OPT_TYPE_CHLAYOUT, {.str = "mono"}, 0, 0, AV_OPT_FLAG_DECODING_PARAM },
#endif
{ NULL },
};
static const AVClass dfpwm_demuxer_class = {