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@ -32,6 +32,8 @@ |
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#include "avformat.h" |
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#include "internal.h" |
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#include "libavutil/channel_layout.h" |
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typedef struct CdataDemuxContext { |
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unsigned int channels; |
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unsigned int audio_pts; |
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@ -52,18 +54,25 @@ static int cdata_read_header(AVFormatContext *s) |
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AVIOContext *pb = s->pb; |
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unsigned int sample_rate, header; |
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AVStream *st; |
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int64_t channel_layout = 0; |
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AVChannelLayout channel_layout; |
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header = avio_rb16(pb); |
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switch (header) { |
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case 0x0400: cdata->channels = 1; break; |
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case 0x0404: cdata->channels = 2; break; |
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case 0x040C: cdata->channels = 4; channel_layout = AV_CH_LAYOUT_QUAD; break; |
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case 0x0414: cdata->channels = 6; channel_layout = AV_CH_LAYOUT_5POINT1_BACK; break; |
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case 0x0400: |
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channel_layout = (AVChannelLayout){ .nb_channels = 1, .order = AV_CHANNEL_ORDER_UNSPEC }; |
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break; |
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case 0x0404: |
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channel_layout = (AVChannelLayout){ .nb_channels = 2, .order = AV_CHANNEL_ORDER_UNSPEC }; |
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break; |
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case 0x040C: |
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channel_layout = (AVChannelLayout)AV_CHANNEL_LAYOUT_QUAD; break; |
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case 0x0414: |
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channel_layout = (AVChannelLayout)AV_CHANNEL_LAYOUT_5POINT1_BACK; break; |
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default: |
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av_log(s, AV_LOG_INFO, "unknown header 0x%04x\n", header); |
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return -1; |
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}; |
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cdata->channels = channel_layout.nb_channels; |
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sample_rate = avio_rb16(pb); |
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avio_skip(pb, (avio_r8(pb) & 0x20) ? 15 : 11); |
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@ -74,8 +83,7 @@ static int cdata_read_header(AVFormatContext *s) |
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st->codecpar->codec_type = AVMEDIA_TYPE_AUDIO; |
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st->codecpar->codec_tag = 0; /* no fourcc */ |
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st->codecpar->codec_id = AV_CODEC_ID_ADPCM_EA_XAS; |
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st->codecpar->channels = cdata->channels; |
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st->codecpar->channel_layout = channel_layout; |
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st->codecpar->ch_layout = channel_layout; |
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st->codecpar->sample_rate = sample_rate; |
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avpriv_set_pts_info(st, 64, 1, sample_rate); |
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