diff options
| author | Paul B Mahol <onemda@gmail.com> | 2022-03-18 19:24:58 +0100 |
|---|---|---|
| committer | James Almer <jamrial@gmail.com> | 2022-03-18 18:59:03 -0300 |
| commit | fce01276422a0e121d61aec811ee1773f9013b9c (patch) | |
| tree | aa01888d5d4bf4710b8e4509673b1178edbc98a5 | |
| parent | 327efa66331ebdc0087c6b656059a8df2f404019 (diff) | |
| download | ffmpeg-fce01276422a0e121d61aec811ee1773f9013b9c.tar.gz | |
avformat/pcmdec: add support to set channel layout
Signed-off-by: Paul B Mahol <onemda@gmail.com>
| -rw-r--r-- | libavformat/pcmdec.c | 17 | ||||
| -rw-r--r-- | libavformat/version.h | 2 |
2 files changed, 15 insertions, 4 deletions
diff --git a/libavformat/pcmdec.c b/libavformat/pcmdec.c index c7da740541..dcd13787d5 100644 --- a/libavformat/pcmdec.c +++ b/libavformat/pcmdec.c @@ -22,6 +22,7 @@ #include "config_components.h" #include "libavutil/avstring.h" +#include "libavutil/channel_layout.h" #include "avformat.h" #include "internal.h" #include "pcm.h" @@ -33,6 +34,7 @@ typedef struct PCMAudioDemuxerContext { AVClass *class; int sample_rate; int channels; + AVChannelLayout ch_layout; } PCMAudioDemuxerContext; static int pcm_read_header(AVFormatContext *s) @@ -50,7 +52,13 @@ static int pcm_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 (s1->channels) + par->ch_layout.nb_channels = s1->channels; + else { + int ret = av_channel_layout_copy(&par->ch_layout, &s1->ch_layout); + if (ret < 0) + return ret; + } av_opt_get(s->pb, "mime_type", AV_OPT_SEARCH_CHILDREN, &mime_type); if (mime_type && s->iformat->mime_type) { @@ -78,8 +86,10 @@ static int pcm_read_header(AVFormatContext *s) return AVERROR_INVALIDDATA; } par->sample_rate = rate; - if (channels > 0) + if (channels > 0) { + av_channel_layout_uninit(&par->ch_layout); par->ch_layout.nb_channels = channels; + } if (little_endian) par->codec_id = AV_CODEC_ID_PCM_S16LE; } @@ -98,7 +108,8 @@ static int pcm_read_header(AVFormatContext *s) static const AVOption pcm_options[] = { { "sample_rate", "", offsetof(PCMAudioDemuxerContext, sample_rate), AV_OPT_TYPE_INT, {.i64 = 44100}, 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 }, }; static const AVClass pcm_demuxer_class = { diff --git a/libavformat/version.h b/libavformat/version.h index de9cc8e31d..f4a26c2870 100644 --- a/libavformat/version.h +++ b/libavformat/version.h @@ -32,7 +32,7 @@ #include "version_major.h" #define LIBAVFORMAT_VERSION_MINOR 20 -#define LIBAVFORMAT_VERSION_MICRO 100 +#define LIBAVFORMAT_VERSION_MICRO 101 #define LIBAVFORMAT_VERSION_INT AV_VERSION_INT(LIBAVFORMAT_VERSION_MAJOR, \ LIBAVFORMAT_VERSION_MINOR, \ |