Opened 5 years ago

Closed 4 years ago

#847 closed defect (fixed)

vorbis encoder is broken

Reported by: ami_stuff Owned by:
Priority: normal Component: undetermined
Version: unspecified Keywords:
Cc: Blocked By:
Blocking: Reproduced by developer: yes
Analyzed by developer: no

Description

C:\ffmpeg  -i test.wav -acodec vorbis -strict experimental out.ogg
ffmpeg version N-36193-gf514695, Copyright (c) 2000-2011 the FFmpeg developers
  built on Dec 26 2011 17:50:37 with gcc 4.6.2
  configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-ru
ntime-cpudetect --enable-avisynth --enable-bzlib --enable-frei0r --enable-libope
ncore-amrnb --enable-libopencore-amrwb --enable-libfreetype --enable-libgsm --en
able-libmp3lame --enable-libopenjpeg --enable-librtmp --enable-libschroedinger -
-enable-libspeex --enable-libtheora --enable-libvo-aacenc --enable-libvo-amrwben
c --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libxavs --enable-
libxvid --enable-zlib
  libavutil      51. 33.100 / 51. 33.100
  libavcodec     53. 48.100 / 53. 48.100
  libavformat    53. 28.100 / 53. 28.100
  libavdevice    53.  4.100 / 53.  4.100
  libavfilter     2. 54.100 /  2. 54.100
  libswscale      2.  1.100 /  2.  1.100
  libswresample   0.  5.100 /  0.  5.100
  libpostproc    51.  2.100 / 51.  2.100
[wav @ 020E2320] max_analyze_duration 5000000 reached at 5015510
Input #0, wav, from 'test.wav':
  Duration: 00:00:05.07, bitrate: 1411 kb/s
    Stream #0:0: Audio: pcm_s16le ([1][0][0][0] / 0x0001), 44100 Hz, 2 channels,
 s16, 1411 kb/s
Output #0, ogg, to 'out.ogg':
  Metadata:
    encoder         : Lavf53.28.100
    Stream #0:0: Audio: vorbis, 44100 Hz, 2 channels, s16, 128 kb/s
Stream mapping:
  Stream #0:0 -> #0:0 (pcm_s16le -> vorbis)
Press [q] to stop, [?] for help
size=      14kB time=00:00:05.08 bitrate=  22.1kbits/s
video:0kB audio:10kB global headers:3kB muxing overhead 2.567666%

Attachments (1)

test.wav (873.7 KB) - added by ami_stuff 5 years ago.

Download all attachments as: .zip

Change History (4)

Changed 5 years ago by ami_stuff

comment:1 Changed 5 years ago by ami_stuff

this "sonic" thing doesn't work as well

ffmpeg -i test.wav -acodec sonic out.wav

comment:2 Changed 5 years ago by ami_stuff

vorbis

Date: Fri Jun  4 01:53:10 2010
New Revision: 23460

Log:
Raise default vorbis encoding quality.

Patch by Frank Barchard, fbarchard google com

Modified:
   trunk/libavcodec/vorbis_enc.c

Modified: trunk/libavcodec/vorbis_enc.c
==============================================================================
--- trunk/libavcodec/vorbis_enc.c	Fri Jun  4 00:20:07 2010	(r23459)
+++ trunk/libavcodec/vorbis_enc.c	Fri Jun  4 01:53:10 2010	(r23460)
@@ -955,7 +955,7 @@ static av_cold int vorbis_encode_init(AV
     if (avccontext->flags & CODEC_FLAG_QSCALE)
         venc->quality = avccontext->global_quality / (float)FF_QP2LAMBDA / 10.;
     else
-        venc->quality = 1.;
+        venc->quality = 0.03;
     venc->quality *= venc->quality;
 
     avccontext->extradata_size = put_main_header(venc, (uint8_t**)&avccontext->extradata);

comment:3 Changed 4 years ago by michael

  • Reproduced by developer set
  • Resolution set to fixed
  • Status changed from new to closed

the default quality will be at a reasonable value again after my next push

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