[FFmpeg-devel] [PATCH] avcodec: add native Speex decoder

[Michael Niedermayer]

On Sun, Sep 19, 2021 at 12:01:06PM +0200, Paul B Mahol wrote:
> Signed-off-by: Paul B Mahol <onemda at gmail.com>
> ---
>  libavcodec/Makefile    |    1 +
>  libavcodec/allcodecs.c |    1 +
>  libavcodec/speexdata.h |  764 ++++++++++++++++++++
>  libavcodec/speexdec.c  | 1538 ++++++++++++++++++++++++++++++++++++++++
>  tests/ref/fate/source  |    2 +
>  5 files changed, 2306 insertions(+)
>  create mode 100644 libavcodec/speexdata.h
>  create mode 100644 libavcodec/speexdec.c


./ffmpeg -i ~/tickets/1873/zygoa8k_q10.mov -vn out.wav

Error while decoding stream #0:0: Invalid argument
[speex @ 0x560c7dc00540] get_buffer() failed
Error while decoding stream #0:0: Invalid argument
[abuffer @ 0x560c7dc17040] Value inf for parameter 'time_base' out of range [0 - 2.14748e+09]
    Last message repeated 3 times
[abuffer @ 0x560c7dc17040] Error setting option time_base to value 1/0.
[graph_0_in_0_0 @ 0x560c7dbf7c80] Error applying options to the filter.
Error reinitializing filters!
Error while filtering: Numerical result out of range
Finishing stream 0:0 without any data written to it.
[abuffer @ 0x560c7dc08a40] Value inf for parameter 'time_base' out of range [0 - 2.14748e+09]
    Last message repeated 3 times
[abuffer @ 0x560c7dc08a40] Error setting option time_base to value 1/0.
[graph_0_in_0_0 @ 0x560c7dc0c3c0] Error applying options to the filter.
Error configuring filter graph
Conversion failed!

before:
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '/home/michael/tickets/1873/zygoa8k_q10.mov':
  Metadata:
    major_brand     : qt  
    minor_version   : 537199360
    compatible_brands: qt  
    creation_time   : 2012-10-30T15:26:21.000000Z
  Duration: 00:01:12.00, start: 0.000000, bitrate: 61 kb/s
  Stream #0:0[0x1](eng): Audio: speex (SPXN / 0x4E585053), 8000 Hz, mono, s16, 24 kb/s (default)
    Metadata:
      creation_time   : 2012-10-30T15:26:21.000000Z
      handler_name    : Procedura obs³ugi dwiêku Apple
      vendor_id       : POPW
  Stream #0:1[0x2](eng): Video: mjpeg (Baseline) (mjpa / 0x61706A6D), yuvj422p(pc, bt470bg/unknown/unknown, top first), 160x120 [SAR 72:72 DAR 4:3], 36 kb/s, 0.25 fps, 0.25 tbr, 1 tbn (default)
    Metadata:
      creation_time   : 2012-10-30T15:26:21.000000Z
      handler_name    : Procedura obs³ugi wideo Apple
      vendor_id       : appl
      encoder         : Motion JPEG A
File 'out.wav' already exists. Overwrite? [y/N] y
Stream mapping:
  Stream #0:0 -> #0:0 (speex (libspeex) -> 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            : Lavf59.5.100
  Stream #0:0(eng): Audio: pcm_s16le ([1][0][0][0] / 0x0001), 8000 Hz, mono, s16, 128 kb/s (default)
    Metadata:
      creation_time   : 2012-10-30T15:26:21.000000Z
      handler_name    : Procedura obs³ugi dwiêku Apple
      vendor_id       : POPW
      encoder         : Lavc59.7.103 pcm_s16le
size=    1125kB time=00:01:12.00 bitrate= 128.0kbits/s speed=1.47e+03x    
video:0kB audio:1125kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.006771%


-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

Why not whip the teacher when the pupil misbehaves? -- Diogenes of Sinope
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