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Use compression level to set mp3lame quality option.

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Patch by Nicolas George nicolas george normalesup org
Original thread:
[PATCH] libmp3lame: set noise shaping & psychoacoustic algorithms quality
Date: 07/31/2008 03:53 PM

Originally committed as revision 14494 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Nicolas George 2008-08-01 07:23:29 +00:00 committed by Benoit Fouet
parent 014d2f0509
commit afffd357b0
1 changed files with 5 additions and 2 deletions
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7
libavcodec/libmp3lame.c
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@ -50,8 +50,11 @@ static av_cold int MP3lame_encode_init(AVCodecContext *avctx)
lame_set_in_samplerate(s->gfp, avctx->sample_rate); lame_set_in_samplerate(s->gfp, avctx->sample_rate);
lame_set_out_samplerate(s->gfp, avctx->sample_rate); lame_set_out_samplerate(s->gfp, avctx->sample_rate);
lame_set_num_channels(s->gfp, avctx->channels); lame_set_num_channels(s->gfp, avctx->channels);
/* lame 3.91 dies on quality != 5 */ if(avctx->compression_level == FF_COMPRESSION_DEFAULT) {
lame_set_quality(s->gfp, 5); lame_set_quality(s->gfp, 5);
} else {
lame_set_quality(s->gfp, avctx->compression_level);
}
/* lame 3.91 doesn't work in mono */ /* lame 3.91 doesn't work in mono */
lame_set_mode(s->gfp, JOINT_STEREO); lame_set_mode(s->gfp, JOINT_STEREO);
lame_set_brate(s->gfp, avctx->bit_rate/1000); lame_set_brate(s->gfp, avctx->bit_rate/1000);