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ffmpeg.wasm-core
Commit 96fc2908 authored by Carl Eugen Hoyos's avatar Carl Eugen Hoyos
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Read bits_per_coded_sample from V_MS/VFW/FOURCC mkv files. 

Fixes ticket #3425.
parent 26733570
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libavformat/matroskadec.c
View file @ 96fc2908
......@@ -1605,6 +1605,7 @@ static int matroska_read_header(AVFormatContext *s)
uint32_t fourcc = 0;
AVIOContext b;
char* key_id_base64 = NULL;
int bit_depth = -1;
/* Apply some sanity checks. */
if (track->type != MATROSKA_TRACK_TYPE_VIDEO &&
......@@ -1708,6 +1709,7 @@ static int matroska_read_header(AVFormatContext *s)
&& track->codec_priv.size >= 40
&& track->codec_priv.data != NULL) {
track->ms_compat = 1;
bit_depth = AV_RL16(track->codec_priv.data + 14);
fourcc = AV_RL32(track->codec_priv.data + 16);
codec_id = ff_codec_get_id(ff_codec_bmp_tags, fourcc);
extradata_offset = 40;
......@@ -1879,6 +1881,8 @@ static int matroska_read_header(AVFormatContext *s)
st->codec->codec_type = AVMEDIA_TYPE_VIDEO;
st->codec->codec_tag = fourcc;
if (bit_depth >= 0)
st->codec->bits_per_coded_sample = bit_depth;
st->codec->width = track->video.pixel_width;
st->codec->height = track->video.pixel_height;
av_reduce(&st->sample_aspect_ratio.num,
......
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