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Pre-emptively work around an issue in libvorbis 1.3.4 and older when rewinding some Ogg Theora videos.

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May (or may not) also fix crash issues when rewinding Ogg files on some systems...
This commit is contained in:
Alex Szpakowski
2015-08-27 21:00:18 -03:00
parent d3d970b925
commit 1c0870ee29
1 changed files with 11 additions and 2 deletions
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src/modules/sound/lullaby/VorbisDecoder.cpp
+11 -2
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@@ -210,7 +210,14 @@ int VorbisDecoder::decode()
bool VorbisDecoder::seek(float s)
{
int result = ov_time_seek(&handle, s);
int result = 0;
// Avoid ov_time_seek (which calls ov_pcm_seek) when seeking to 0, to avoid
// a bug in libvorbis <= 1.3.4 when seeking to PCM 0 in multiplexed streams.
if (s <= 0.000001)
result = ov_raw_seek(&handle, 0);
else
result = ov_time_seek(&handle, s);
if (result == 0)
{
@@ -223,7 +230,9 @@ bool VorbisDecoder::seek(float s)
bool VorbisDecoder::rewind()
{
int result = ov_pcm_seek(&handle, 0);
// Avoid ov_time_seek to avoid a bug in libvorbis <= 1.3.4 when seeking to
// PCM 0 in multiplexed streams.
int result = ov_raw_seek(&handle, 0);
if (result == 0)
{