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mkv: do not dereference unaligned pointer

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This commit is contained in:
Rémi Denis-Courmont 2019-07-11 22:11:19 +03:00
parent d87d581af7
commit 37b8947693
1 changed files with 4 additions and 2 deletions
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6
modules/demux/mkv/matroska_segment_parse.cpp
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@ -1860,8 +1860,10 @@ bool matroska_segment_c::TrackInit( mkv_track_t * p_tk )
if( p_wf->wFormatTag == WAVE_FORMAT_EXTENSIBLE &&
p_tk->i_extra_data >= sizeof(WAVEFORMATEXTENSIBLE) )
{
WAVEFORMATEXTENSIBLE * p_wext = (WAVEFORMATEXTENSIBLE*) p_wf;
sf_tag_to_fourcc( &p_wext->SubFormat, &p_tk->fmt.i_codec, NULL);
WAVEFORMATEXTENSIBLE *p_wext = (WAVEFORMATEXTENSIBLE*)p_wf;
GUID subFormat = p_wext->SubFormat;
sf_tag_to_fourcc( &subFormat, &p_tk->fmt.i_codec, NULL);
/* FIXME should we use Samples */
if( p_tk->fmt.audio.i_channels > 2 &&