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@ -22,6 +22,7 @@ |
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#include "config_components.h" |
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#include "libavutil/avstring.h" |
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#include "libavutil/channel_layout.h" |
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#include "avformat.h" |
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#include "internal.h" |
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#include "pcm.h" |
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@ -33,6 +34,7 @@ typedef struct PCMAudioDemuxerContext { |
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AVClass *class; |
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int sample_rate; |
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int channels; |
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AVChannelLayout ch_layout; |
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} PCMAudioDemuxerContext; |
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static int pcm_read_header(AVFormatContext *s) |
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@ -50,7 +52,13 @@ static int pcm_read_header(AVFormatContext *s) |
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par->codec_type = AVMEDIA_TYPE_AUDIO; |
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par->codec_id = s->iformat->raw_codec_id; |
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par->sample_rate = s1->sample_rate; |
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par->ch_layout.nb_channels = s1->channels; |
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if (s1->channels) |
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par->ch_layout.nb_channels = s1->channels; |
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else { |
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int ret = av_channel_layout_copy(&par->ch_layout, &s1->ch_layout); |
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if (ret < 0) |
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return ret; |
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} |
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av_opt_get(s->pb, "mime_type", AV_OPT_SEARCH_CHILDREN, &mime_type); |
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if (mime_type && s->iformat->mime_type) { |
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@ -78,8 +86,10 @@ static int pcm_read_header(AVFormatContext *s) |
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return AVERROR_INVALIDDATA; |
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} |
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par->sample_rate = rate; |
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if (channels > 0) |
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if (channels > 0) { |
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av_channel_layout_uninit(&par->ch_layout); |
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par->ch_layout.nb_channels = channels; |
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} |
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if (little_endian) |
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par->codec_id = AV_CODEC_ID_PCM_S16LE; |
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} |
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@ -98,7 +108,8 @@ static int pcm_read_header(AVFormatContext *s) |
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static const AVOption pcm_options[] = { |
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{ "sample_rate", "", offsetof(PCMAudioDemuxerContext, sample_rate), AV_OPT_TYPE_INT, {.i64 = 44100}, 0, INT_MAX, AV_OPT_FLAG_DECODING_PARAM }, |
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{ "channels", "", offsetof(PCMAudioDemuxerContext, channels), AV_OPT_TYPE_INT, {.i64 = 1}, 0, INT_MAX, AV_OPT_FLAG_DECODING_PARAM }, |
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{ "channels", "", offsetof(PCMAudioDemuxerContext, channels), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_DECODING_PARAM }, |
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{ "ch_layout", "", offsetof(PCMAudioDemuxerContext, ch_layout), AV_OPT_TYPE_CHLAYOUT, {.str = "mono"}, 0, 0, AV_OPT_FLAG_DECODING_PARAM }, |
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{ NULL }, |
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}; |
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static const AVClass pcm_demuxer_class = { |
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