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Fixed: infinite loop in ogg vorbis streaming (negative ov_read result means an error)

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This commit is contained in:
kervala 2010-08-17 23:02:47 +02:00
parent 47b362816e
commit 480c88ea2e
2 changed files with 41 additions and 21 deletions
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33
code/nel/src/sound/driver/music_buffer_vorbis.cpp
View file

@ -120,22 +120,24 @@ uint32 CMusicBufferVorbis::getRequiredBytes()
uint32 CMusicBufferVorbis::getNextBytes(uint8 *buffer, uint32 minimum, uint32 maximum)
{
int current_section = 0; // ???
sint current_section = 0; // ???
if (_IsMusicEnded) return 0;
nlassert(minimum <= maximum); // can't have this..
uint32 bytes_read = 0;
do
{
// signed 16-bit or unsigned 8-bit little-endian samples
int br = ov_read(&_OggVorbisFile, (char *)&buffer[bytes_read], maximum - bytes_read,
sint br = ov_read(&_OggVorbisFile, (char *)&buffer[bytes_read], maximum - bytes_read,
0, // Specifies big or little endian byte packing. 0 for little endian, 1 for b ig endian. Typical value is 0.
getBitsPerSample() == 8 ? 1 : 2,
getBitsPerSample() == 8 ? 0 : 1, // Signed or unsigned data. 0 for unsigned, 1 for signed. Typically 1.
&current_section);
// nlinfo(NLSOUND_XAUDIO2_PREFIX "current_section: %i", current_section);
if (br <= 0)
if (br > 0)
{
if (br == 0)
bytes_read += (uint32)br;
}
else if (br == 0) // EOF
{
if (_Loop)
{
@ -150,10 +152,27 @@ uint32 CMusicBufferVorbis::getNextBytes(uint8 *buffer, uint32 minimum, uint32 ma
}
else
{
nlwarning("ov_read: %i", br);
// error
switch(br)
{
case OV_HOLE:
nlwarning("ov_read returned OV_HOLE");
break;
case OV_EINVAL:
nlwarning("ov_read returned OV_EINVAL");
break;
case OV_EBADLINK:
nlwarning("ov_read returned OV_EBADLINK");
break;
default:
nlwarning("ov_read returned %d", br);
}
return 0;
}
else bytes_read += (uint32)br;
} while (bytes_read < minimum);
return bytes_read;
}
@ -161,7 +180,7 @@ uint32 CMusicBufferVorbis::getNextBytes(uint8 *buffer, uint32 minimum, uint32 ma
uint8 CMusicBufferVorbis::getChannels()
{
vorbis_info *vi = ov_info(&_OggVorbisFile, -1);
return (uint16)vi->channels;
return (uint8)vi->channels;
}
uint32 CMusicBufferVorbis::getSamplesPerSec()

5
code/nel/src/sound/driver/openal/music_channel_al.cpp
View file

@ -83,7 +83,7 @@ bool CMusicChannelAL::fillBuffer(IBuffer *buffer, uint length)
uint32 size = _MusicBuffer->getNextBytes(tmp, length, length);
buffer->unlock(size);
return true;
return size > 0;
}
/// Use buffer format from IMusicBuffer
@ -128,7 +128,8 @@ void CMusicChannelAL::run()
// fill buffers
for(uint i = 0; i < buffers.size(); ++i)
{
fillBuffer(buffers[i], _Source->getStreamingBufferSize());
if (!fillBuffer(buffers[i], _Source->getStreamingBufferSize()))
break;
// add buffer to streaming buffers queue
_Source->submitStreamingBuffer(buffers[i]);