|
|
|
@ -128,18 +128,21 @@ static int wsd_read_header(AVFormatContext *s) |
|
|
|
|
st->codecpar->codec_id = s->iformat->raw_codec_id; |
|
|
|
|
st->codecpar->sample_rate = avio_rb32(pb) / 8; |
|
|
|
|
avio_skip(pb, 4); |
|
|
|
|
st->codecpar->channels = avio_r8(pb) & 0xF; |
|
|
|
|
st->codecpar->bit_rate = (int64_t)st->codecpar->channels * st->codecpar->sample_rate * 8LL; |
|
|
|
|
if (!st->codecpar->channels) |
|
|
|
|
st->codecpar->ch_layout.nb_channels = avio_r8(pb) & 0xF; |
|
|
|
|
st->codecpar->bit_rate = (int64_t)st->codecpar->ch_layout.nb_channels * |
|
|
|
|
st->codecpar->sample_rate * 8LL; |
|
|
|
|
if (!st->codecpar->ch_layout.nb_channels) |
|
|
|
|
return AVERROR_INVALIDDATA; |
|
|
|
|
|
|
|
|
|
avio_skip(pb, 3); |
|
|
|
|
channel_assign = avio_rb32(pb); |
|
|
|
|
if (!(channel_assign & 1)) { |
|
|
|
|
uint64_t ch_mask = 0; |
|
|
|
|
int i; |
|
|
|
|
for (i = 1; i < 32; i++) |
|
|
|
|
if ((channel_assign >> i) & 1) |
|
|
|
|
st->codecpar->channel_layout |= wsd_to_av_channel_layoyt(s, i); |
|
|
|
|
ch_mask |= wsd_to_av_channel_layoyt(s, i); |
|
|
|
|
av_channel_layout_from_mask(&st->codecpar->ch_layout, ch_mask); |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
avio_skip(pb, 16); |
|
|
|
|