diff options
| author | Paul B Mahol <onemda@gmail.com> | 2013-03-30 22:15:50 +0000 |
|---|---|---|
| committer | Vittorio Giovara <vittorio.giovara@gmail.com> | 2014-03-31 01:11:16 +0200 |
| commit | 729d821fd864a0568f4068e64d3a70faa23b9309 (patch) | |
| tree | 7183f4b93560b6944535ce2d9dd30877385ec1cd /libavcodec/libmp3lame.c | |
| parent | 12789d96361ed8e9804bfbb9db31ea4110e75c58 (diff) | |
| download | ffmpeg-729d821fd864a0568f4068e64d3a70faa23b9309.tar.gz | |
libmp3lame: allow joint stereo to be disabled
Diffstat (limited to 'libavcodec/libmp3lame.c')
| -rw-r--r-- | libavcodec/libmp3lame.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/libavcodec/libmp3lame.c b/libavcodec/libmp3lame.c index ee76ff8812..6da68ad3b7 100644 --- a/libavcodec/libmp3lame.c +++ b/libavcodec/libmp3lame.c @@ -48,6 +48,7 @@ typedef struct LAMEContext { int buffer_index; int buffer_size; int reservoir; + int joint_stereo; float *samples_flt[2]; AudioFrameQueue afq; AVFloatDSPContext fdsp; @@ -96,7 +97,7 @@ static av_cold int mp3lame_encode_init(AVCodecContext *avctx) return AVERROR(ENOMEM); lame_set_num_channels(s->gfp, avctx->channels); - lame_set_mode(s->gfp, avctx->channels > 1 ? JOINT_STEREO : MONO); + lame_set_mode(s->gfp, avctx->channels > 1 ? s->joint_stereo ? JOINT_STEREO : STEREO : MONO); /* sample rate */ lame_set_in_samplerate (s->gfp, avctx->sample_rate); @@ -260,6 +261,7 @@ static int mp3lame_encode_frame(AVCodecContext *avctx, AVPacket *avpkt, #define AE AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM static const AVOption options[] = { { "reservoir", "Use bit reservoir.", OFFSET(reservoir), AV_OPT_TYPE_INT, { .i64 = 1 }, 0, 1, AE }, + { "joint_stereo", "Use joint stereo.", OFFSET(joint_stereo), AV_OPT_TYPE_INT, { .i64 = 1 }, 0, 1, AE }, { NULL }, }; |