diff options
| -rw-r--r-- | libavcodec/libmp3lame.c | 11 | ||||
| -rw-r--r-- | libavcodec/version.h | 2 |
2 files changed, 10 insertions, 3 deletions
diff --git a/libavcodec/libmp3lame.c b/libavcodec/libmp3lame.c index fbb40321b9..eebc65c44d 100644 --- a/libavcodec/libmp3lame.c +++ b/libavcodec/libmp3lame.c @@ -49,6 +49,7 @@ typedef struct LAMEContext { int buffer_size; int reservoir; int joint_stereo; + int abr; float *samples_flt[2]; AudioFrameQueue afq; AVFloatDSPContext fdsp; @@ -114,8 +115,13 @@ static av_cold int mp3lame_encode_init(AVCodecContext *avctx) lame_set_VBR(s->gfp, vbr_default); lame_set_VBR_quality(s->gfp, avctx->global_quality / (float)FF_QP2LAMBDA); } else { - if (avctx->bit_rate) // CBR - lame_set_brate(s->gfp, avctx->bit_rate / 1000); + if (avctx->bit_rate) { + if (s->abr) { // ABR + lame_set_VBR(s->gfp, vbr_abr); + lame_set_VBR_mean_bitrate_kbps(s->gfp, avctx->bit_rate / 1000); + } else // CBR + lame_set_brate(s->gfp, avctx->bit_rate / 1000); + } } /* do not get a Xing VBR header frame from LAME */ @@ -262,6 +268,7 @@ static int mp3lame_encode_frame(AVCodecContext *avctx, AVPacket *avpkt, 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 }, + { "abr", "Use ABR", OFFSET(abr), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, AE }, { NULL }, }; diff --git a/libavcodec/version.h b/libavcodec/version.h index faf85b3348..99e4303668 100644 --- a/libavcodec/version.h +++ b/libavcodec/version.h @@ -30,7 +30,7 @@ #define LIBAVCODEC_VERSION_MAJOR 55 #define LIBAVCODEC_VERSION_MINOR 41 -#define LIBAVCODEC_VERSION_MICRO 1 +#define LIBAVCODEC_VERSION_MICRO 2 #define LIBAVCODEC_VERSION_INT AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \ LIBAVCODEC_VERSION_MINOR, \ |