#10676: ilbc: click at the beginning of the audio
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Reporter: ami_stuff | Type: defect
Status: new | Priority: normal
Component: | Version:
undetermined | unspecified
Keywords: | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
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ffmpeg decodes attached sample with a click at the beginning
qt decodes the file without the click (qt's output also attached)
{{{
./ffmpeg -i 2s.mov -y out.wav
ffmpeg version N-112728-g409b29d3f9 Copyright (c) 2000-2023 the FFmpeg
developers
built with gcc 11 (Ubuntu 11.4.0-1ubuntu1~22.04)
configuration:
libavutil 58. 32.100 / 58. 32.100
libavcodec 60. 33.100 / 60. 33.100
libavformat 60. 17.100 / 60. 17.100
libavdevice 60. 4.100 / 60. 4.100
libavfilter 9. 13.100 / 9. 13.100
libswscale 7. 6.100 / 7. 6.100
libswresample 4. 13.100 / 4. 13.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '2s.mov':
Metadata:
major_brand : qt
minor_version : 537199360
compatible_brands: qt
creation_time : 2023-11-21T13:32:13.000000Z
Duration: 00:00:02.20, start: 0.000000, bitrate: 18 kb/s
Stream #0:0[0x1](eng): Audio: ilbc (ilbc / 0x63626C69), 8000 Hz, mono,
s16 (default)
Metadata:
creation_time : 2023-11-21T13:32:13.000000Z
handler_name : Apple Sound Media Handler
vendor_id : [0][0][0][0]
Stream mapping:
Stream #0:0 -> #0:0 (ilbc (native) -> pcm_s16le (native))
Press [q] to stop, [?] for help
Output #0, wav, to 'out.wav':
Metadata:
major_brand : qt
minor_version : 537199360
compatible_brands: qt
ISFT : Lavf60.17.100
Stream #0:0(eng): Audio: pcm_s16le ([1][0][0][0] / 0x0001), 8000 Hz,
mono, s16, 128 kb/s (default)
Metadata:
creation_time : 2023-11-21T13:32:13.000000Z
handler_name : Apple Sound Media Handler
vendor_id : [0][0][0][0]
encoder : Lavc60.33.100 pcm_s16le
[out#0/wav @ 0x560f4951cc80] video:0kB audio:34kB subtitle:0kB other
streams:0kB global headers:0kB muxing overhead: 0.221591%
size= 34kB time=00:00:02.18 bitrate= 129.5kbits/s speed= 177x
}}}
--
Ticket URL: <https://trac.ffmpeg.org/ticket/10676>
FFmpeg <https://ffmpeg.org>
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