diff options
| author | Justin Ruggles <jruggle@earthlink.net> | 2005-08-21 20:27:00 +0000 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2005-08-21 20:27:00 +0000 |
| commit | c57c770db3c41ac4caea8379c4053489bffeb032 (patch) | |
| tree | 3e2de5b1d5093bcde5a6d71b35bdbce1c8bd6f4c /ffmpeg.c | |
| parent | 32fbf33e61ed13c728e4efcbd8729171391c472f (diff) | |
| download | ffmpeg-c57c770db3c41ac4caea8379c4053489bffeb032.tar.gz | |
vbr audio encode patch by (Justin Ruggles: jruggle, earthlink net)
with changes by me
int->float as video uses float too
remove silent cliping to some per codec range, this should result in an error instead
remove change to utils.c as its inconsistant with video
Originally committed as revision 4533 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'ffmpeg.c')
| -rw-r--r-- | ffmpeg.c | 7 |
1 files changed, 7 insertions, 0 deletions
@@ -217,6 +217,8 @@ static int gop_size = 12; static int intra_only = 0; static int audio_sample_rate = 44100; static int audio_bit_rate = 64000; +#define QSCALE_NONE -99999 +static float audio_qscale = QSCALE_NONE; static int audio_disable = 0; static int audio_channels = 1; static int audio_codec_id = CODEC_ID_NONE; @@ -3501,6 +3503,10 @@ static void new_audio_stream(AVFormatContext *oc) audio_enc->codec_id = codec_id; audio_enc->bit_rate = audio_bit_rate; + if (audio_qscale > QSCALE_NONE) { + audio_enc->flags |= CODEC_FLAG_QSCALE; + audio_enc->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale; + } audio_enc->strict_std_compliance = strict; audio_enc->thread_count = thread_count; /* For audio codecs other than AC3 or DTS we limit */ @@ -4348,6 +4354,7 @@ const OptionDef options[] = { /* audio options */ { "ab", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_bitrate}, "set audio bitrate (in kbit/s)", "bitrate", }, + { "aq", OPT_FLOAT | HAS_ARG | OPT_AUDIO, {(void*)&audio_qscale}, "set audio quality (codec-specific)", "quality", }, { "ar", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" }, { "ac", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" }, { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" }, |