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build 200108. sound start offset support, default coupler sound naming cleanup, minor bug fixes

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This commit is contained in:
tmj-fstate
2020-01-08 18:57:44 +01:00
parent a23dda041a
commit 25ec32d0e6
9 changed files with 80 additions and 27 deletions
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17
audiorenderer.h
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@@ -180,11 +180,26 @@ openal_source::bind( sound_source *Controller, uint32_sequence Sounds, Iterator_
auto const &buffer { audio::renderer.buffer( bufferhandle ) };
buffers.emplace_back( buffer.id ); } );
is_multipart = ( buffers.size() > 1 );
if( id != audio::null_resource ) {
::alSourceQueueBuffers( id, static_cast<ALsizei>( buffers.size() ), buffers.data() );
::alSourceRewind( id );
// sound controller can potentially request playback to start from certain buffer point
if( controller->start() == 0.f ) {
// regular case with no offset, reset bound source just in case
::alSourcei( id, AL_SAMPLE_OFFSET, 0 );
}
else {
// move playback start to specified point in 0-1 range
ALint buffersize;
::alGetBufferi( buffers.front(), AL_SIZE, &buffersize );
::alSourcei(
id,
AL_SAMPLE_OFFSET,
static_cast<ALint>( controller->start() * ( buffersize / sizeof( std::int16_t ) ) ) );
}
}
is_multipart = ( buffers.size() > 1 );
return *this;
}