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avformat/dtshddec: also read trailing padding in samples

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This commit is contained in:
Paul B Mahol 2023-01-12 09:56:57 +01:00
parent ac7d21284b
commit 2524d0b33b
1 changed files with 5 additions and 2 deletions
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7
libavformat/dtshddec.c
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@ -55,7 +55,7 @@ static int dtshd_read_header(AVFormatContext *s)
DTSHDDemuxContext *dtshd = s->priv_data;
AVIOContext *pb = s->pb;
uint64_t chunk_type, chunk_size;
int64_t duration, data_start;
int64_t duration, orig_nb_samples, data_start;
AVStream *st;
int ret;
char *value;
@ -103,9 +103,12 @@ static int dtshd_read_header(AVFormatContext *s)
duration = avio_rb32(pb); // num_frames
duration *= avio_rb16(pb); // samples_per_frames
st->duration = duration;
avio_skip(pb, 5);
orig_nb_samples = avio_rb32(pb);
orig_nb_samples <<= 8;
orig_nb_samples |= avio_r8(pb);
st->codecpar->ch_layout.nb_channels = ff_dca_count_chs_for_mask(avio_rb16(pb));
st->codecpar->initial_padding = avio_rb16(pb);
st->codecpar->trailing_padding = FFMAX(st->duration - orig_nb_samples - st->codecpar->initial_padding, 0);
avio_skip(pb, chunk_size - 21);
break;
case FILEINFO: