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828418
2015 May 15
1
Extension to libvorbis for lossless volume changes
I added a new function to libvorbis that allows lossless changes of the
volume to an vorbis_block. This can help to get reasonable loudness on
hardware players that do not support the Replay Gain tags.
int vorbis_gainadj(vorbis_block *vb, ogg_packet *op, float* dbgain);
dbgain contains the relative adjustment for each channel.
The trick is quite simple. I adjust the first 2 floor values for