[FFmpeg-user] volumedetect filter and possible bug with -ss -t

[Sub Phil]

Is this a regression bug?

2016-09-05 10:40 GMT+02:00 Sub Phil <phil4000n at gmail.com>:

> >
>
> Please test current FFmpeg git head before reporting issues on this mailing list.
>
>
> Sorry, but same histogram results for every CLI, here's one
>
> ffmpeg version N-81516-gbe07c25 Copyright (c) 2000-2016 the FFmpeg
> developers
>   built with gcc 5.4.0 (GCC)
>   configuration: --enable-gpl --enable-version3 --disable-w32threads
> --enable-dxva2 --enable-libmfx --enable-nvenc --enable-avisynth
> --enable-bzlib --enable-libebur128 --enable-fontconfig --enable-frei0r
> --enable-gnutls --enable-iconv --enable-libass --enable-libbluray
> --enable-libbs2b --enable-libcaca --enable-libfreetype --enable-libgme
> --enable-libgsm --enable-libilbc --enable-libmodplug --enable-libmp3lame
> --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenh264
> --enable-libopenjpeg --enable-libopus --enable-librtmp
> --enable-libschroedinger --enable-libsnappy --enable-libsoxr
> --enable-libspeex --enable-libtheora --enable-libtwolame
> --enable-libvidstab --enable-libvo-amrwbenc --enable-libvorbis
> --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264
> --enable-libx265 --enable-libxavs --enable-libxvid --enable-libzimg
> --enable-lzma --enable-decklink --enable-zlib
>   libavutil      55. 29.100 / 55. 29.100
>   libavcodec     57. 54.101 / 57. 54.101
>   libavformat    57. 48.101 / 57. 48.101
>   libavdevice    57.  0.102 / 57.  0.102
>   libavfilter     6. 58.100 /  6. 58.100
>   libswscale      4.  1.100 /  4.  1.100
>   libswresample   2.  1.100 /  2.  1.100
>   libpostproc    54.  0.100 / 54.  0.100
> Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '20160903 1 oreiller fin 8h08.3gp':
>   Metadata:
>     major_brand     : 3gp4
>     minor_version   : 0
>     compatible_brands: isom3gp4
>     creation_time   : 2016-09-04T06:08:38.000000Z
>   Duration: 09:34:54.02, start: 0.000000, bitrate: 23 kb/s
>     Stream #0:0(eng): Audio: amr_wb (sawb / 0x62776173), 16000 Hz, mono,
> flt, 23 kb/s (default)
>     Metadata:
>       creation_time   : 2016-09-04T06:08:38.000000Z
>       handler_name    : SoundHandle
> [null @ 00000000025247e0] Using AVStream.codec to pass codec parameters to
> muxers is deprecated, use AVStream.codecpar instead.
> Output #0, null, to 'pipe:':
>   Metadata:
>     major_brand     : 3gp4
>     minor_version   : 0
>     compatible_brands: isom3gp4
>     encoder         : Lavf57.48.101
>     Stream #0:0(eng): Audio: pcm_s16le, 16000 Hz, mono, s16, 256 kb/s
> (default)
>     Metadata:
>       creation_time   : 2016-09-04T06:08:38.000000Z
>       handler_name    : SoundHandle
>       encoder         : Lavc57.54.101 pcm_s16le
> Stream mapping:
>   Stream #0:0 -> #0:0 (amr_wb (amrwb) -> pcm_s16le (native))
> Press [q] to stop, [?] for help
> size=N/A time=00:00:02.00 bitrate=N/A speed= 337x
> video:0kB audio:62kB subtitle:0kB other streams:0kB global headers:0kB
> muxing overhead: unknown
> [Parsed_volumedetect_0 @ 0000000002527800] n_samples: 32000
> [Parsed_volumedetect_0 @ 0000000002527800] mean_volume: -40.4 dB
> [Parsed_volumedetect_0 @ 0000000002527800] max_volume: -22.7 dB
> [Parsed_volumedetect_0 @ 0000000002527800] histogram_22db: 1
> [Parsed_volumedetect_0 @ 0000000002527800] histogram_23db: 2
> [Parsed_volumedetect_0 @ 0000000002527800] histogram_24db: 4
> [Parsed_volumedetect_0 @ 0000000002527800] histogram_25db: 2
> [Parsed_volumedetect_0 @ 0000000002527800] histogram_26db: 21
> [Parsed_volumedetect_0 @ 0000000002527800] histogram_27db: 27
>
>