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Allow float values for libmp3lame quality.

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Patch by James Darnley, james D darnley A gmail

Originally committed as revision 25128 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
James Darnley 2010-09-15 22:10:13 +00:00 committed by Carl Eugen Hoyos
parent 6c834328b9
commit efec9ac8a9
2 changed files with 3 additions and 2 deletions
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2
configure vendored
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@ -2714,7 +2714,7 @@ enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
enabled libmp3lame && require libmp3lame lame/lame.h lame_init -lmp3lame
enabled libmp3lame && require libmp3lame lame/lame.h hip_decode_init -lmp3lame
enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb

3
libavcodec/libmp3lame.c
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@ -61,7 +61,8 @@ static av_cold int MP3lame_encode_init(AVCodecContext *avctx)
if(avctx->flags & CODEC_FLAG_QSCALE) {
lame_set_brate(s->gfp, 0);
lame_set_VBR(s->gfp, vbr_default);
lame_set_VBR_q(s->gfp, avctx->global_quality / (float)FF_QP2LAMBDA);
/* requires lame 3.98 or later */
lame_set_VBR_quality(s->gfp, avctx->global_quality/(float)FF_QP2LAMBDA);
}
lame_set_bWriteVbrTag(s->gfp,0);
lame_set_disable_reservoir(s->gfp, avctx->flags2 & CODEC_FLAG2_BIT_RESERVOIR ? 0 : 1);