twolame_set_in_samplerate(s->glopts, avctx->sample_rate);
twolame_set_out_samplerate(s->glopts, avctx->sample_rate);
- if (!avctx->bit_rate)
- avctx->bit_rate = avctx->sample_rate < 28000 ? 160000 : 384000;
+ if (!avctx->bit_rate) {
+ if ((s->mode == TWOLAME_AUTO_MODE && avctx->channels == 1) || s->mode == TWOLAME_MONO)
+ avctx->bit_rate = avctx->sample_rate < 28000 ? 80000 : 192000;
+ else
+ avctx->bit_rate = avctx->sample_rate < 28000 ? 160000 : 384000;
+ }
if (avctx->flags & AV_CODEC_FLAG_QSCALE || !avctx->bit_rate) {
twolame_set_VBR(s->glopts, TRUE);