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engine: soundlib: implemented sound looping feature for Ogg Vorbis

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SNMetamorph 2024-12-01 19:22:25 +04:00 • committed by Alibek Omarov
parent fa152bef20
commit b7c2c476a8
1 changed files with 20 additions and 0 deletions
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20
engine/common/soundlib/snd_ogg_vorbis.c
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@ -67,6 +67,23 @@ static const ov_callbacks ov_callbacks_fs = {
================================================================= =================================================================
*/ */
static void Sound_ScanVorbisComments( OggVorbis_File *vf )
{
const char *value;
vorbis_comment *vc = ov_comment( vf, -1 );
if( vc )
{
if(( value = vorbis_comment_query( vc, "LOOPSTART", 0 ))) {
sound.loopstart = Q_atoi( value );
SetBits( sound.flags, SOUND_LOOPED );
}
else if(( value = vorbis_comment_query( vc, "LOOP_START", 0 ))) {
sound.loopstart = Q_atoi( value );
SetBits( sound.flags, SOUND_LOOPED );
}
}
}
qboolean Sound_LoadOggVorbis( const char *name, const byte *buffer, fs_offset_t filesize ) qboolean Sound_LoadOggVorbis( const char *name, const byte *buffer, fs_offset_t filesize )
{ {
long ret; long ret;
@ -98,6 +115,9 @@ qboolean Sound_LoadOggVorbis( const char *name, const byte *buffer, fs_offset_t
sound.size = sound.samples * sound.width * sound.channels; sound.size = sound.samples * sound.width * sound.channels;
sound.wav = (byte *)Mem_Calloc( host.soundpool, sound.size ); sound.wav = (byte *)Mem_Calloc( host.soundpool, sound.size );
SetBits( sound.flags, SOUND_RESAMPLE );
Sound_ScanVorbisComments( &vorbisFile );
while(( ret = ov_read( &vorbisFile, (char*)sound.wav + written, sound.size - written, 0, sound.width, 1, &section )) != 0 ) while(( ret = ov_read( &vorbisFile, (char*)sound.wav + written, sound.size - written, 0, sound.width, 1, &section )) != 0 )
{ {
if( ret < 0 ) { if( ret < 0 ) {