[FFmpeg-devel] FFmpeg 3.2

[Andreas Cadhalpun]

Hi,

On 26.10.2016 21:29, Michael Niedermayer wrote:
> On Tue, Sep 27, 2016 at 03:30:03PM +0200, Michael Niedermayer wrote:
>> Its long since FFmpeg 3.1, so its time to make 3.2
>> ill branch release/3.2 off master and make 3.2 in maybe about a week or
>> 2 unless something delays it
> 
> release/3.2 branched
> 
> ill make the 3.2 release tomorrow from release/3.2
> so if anyone wants to backport something, you have till then

The following regressions from 3.1 should be fixed before releasing 3.2:
(They were detected by the Debian autopkgtest.)

 * apng creation is broken:
$ ./ffmpeg -f lavfi -i testsrc=s=32x32:d=0.1 -c:v apng -f apng apng.apng -y &> /dev/null
$ ./ffprobe ./apng.apng
ffprobe version n3.2-dev-1377-gebf8ec5 Copyright (c) 2007-2016 the FFmpeg developers
  built with gcc 6.2.0 (Debian 6.2.0-6) 20161010
  configuration: --disable-optimizations
  libavutil      55. 34.100 / 55. 34.100
  libavcodec     57. 64.100 / 57. 64.100
  libavformat    57. 56.100 / 57. 56.100
  libavdevice    57.  1.100 / 57.  1.100
  libavfilter     6. 65.100 /  6. 65.100
  libswscale      4.  2.100 /  4.  2.100
  libswresample   2.  3.100 /  2.  3.100
[png @ 0x29b02c0] IDAT without IHDR
[png_pipe @ 0x29ae7e0] decoding for stream 0 failed
[png_pipe @ 0x29ae7e0] Could not find codec parameters for stream 0 (Video: png, none(pc)): unspecified size
Consider increasing the value for the 'analyzeduration' and 'probesize' options
Input #0, png_pipe, from './apng.apng':
  Duration: N/A, bitrate: N/A
    Stream #0:0: Video: png, none(pc), 25 tbr, 25 tbn, 25 tbc

 * Probing of hls containing dts/eac3 doesn't work anymore:
$ ./ffmpeg -f lavfi -i sine=d=0.1 -strict -2 -c:a dca -f hls dca.hls -y &> /dev/null
$ ./ffprobe dca.hls
ffprobe version n3.2-dev-1377-gebf8ec5 Copyright (c) 2007-2016 the FFmpeg developers
  built with gcc 6.2.0 (Debian 6.2.0-6) 20161010
  configuration: --disable-optimizations
  libavutil      55. 34.100 / 55. 34.100
  libavcodec     57. 64.100 / 57. 64.100
  libavformat    57. 56.100 / 57. 56.100
  libavdevice    57.  1.100 / 57.  1.100
  libavfilter     6. 65.100 /  6. 65.100
  libswscale      4.  2.100 /  4.  2.100
  libswresample   2.  3.100 /  2.  3.100
[hls,applehttp @ 0x3dfd7e0] Could not find codec parameters for stream 0 (Unknown: none ([130][0][0][0] / 0x0082)): unknown codec
Consider increasing the value for the 'analyzeduration' and 'probesize' options
Input #0, hls,applehttp, from 'dca.hls':
  Duration: 00:00:00.09, start: 1.400000, bitrate: 9 kb/s
  Program 0 
    Metadata:
      variant_bitrate : 0
    Stream #0:0: Unknown: none ([130][0][0][0] / 0x0082)
    Metadata:
      variant_bitrate : 0
Unsupported codec with id 0 for input stream 0

$ ./ffmpeg -f lavfi -i sine=d=0.1 -strict -2 -c:a eac3 -f hls eac3.hls -y &> /dev/null
$ ./ffprobe eac3.hls 
ffprobe version n3.2-dev-1377-gebf8ec5 Copyright (c) 2007-2016 the FFmpeg developers
  built with gcc 6.2.0 (Debian 6.2.0-6) 20161010
  configuration: --disable-optimizations
  libavutil      55. 34.100 / 55. 34.100
  libavcodec     57. 64.100 / 57. 64.100
  libavformat    57. 56.100 / 57. 56.100
  libavdevice    57.  1.100 / 57.  1.100
  libavfilter     6. 65.100 /  6. 65.100
  libswscale      4.  2.100 /  4.  2.100
  libswresample   2.  3.100 /  2.  3.100
Format mpegts detected only with low score of 2, misdetection possible!
[hls,applehttp @ 0x2d297e0] Could not find codec parameters for stream 0 (Unknown: none ([135][0][0][0] / 0x0087)): unknown codec
Consider increasing the value for the 'analyzeduration' and 'probesize' options
Input #0, hls,applehttp, from 'eac3.hls':
  Duration: 00:00:00.07, start: 1.400000, bitrate: 13 kb/s
  Program 0 
    Metadata:
      variant_bitrate : 0
    Stream #0:0: Unknown: none ([135][0][0][0] / 0x0087)
    Metadata:
      variant_bitrate : 0
Unsupported codec with id 0 for input stream 0

 * Probing of hls containing mp2 detects mp3:
$ ./ffmpeg -f lavfi -i sine=d=0.1 -strict -2 -c:a mp2 -f hls mp2.hls -y &> /dev/null
$ ./ffprobe mp2.hls 
ffprobe version n3.2-dev-1377-gebf8ec5 Copyright (c) 2007-2016 the FFmpeg developers
  built with gcc 6.2.0 (Debian 6.2.0-6) 20161010
  configuration: --disable-optimizations
  libavutil      55. 34.100 / 55. 34.100
  libavcodec     57. 64.100 / 57. 64.100
  libavformat    57. 56.100 / 57. 56.100
  libavdevice    57.  1.100 / 57.  1.100
  libavfilter     6. 65.100 /  6. 65.100
  libswscale      4.  2.100 /  4.  2.100
  libswresample   2.  3.100 /  2.  3.100
Input #0, hls,applehttp, from 'mp2.hls':
  Duration: 00:00:00.08, start: 1.400000, bitrate: 11 kb/s
  Program 0 
    Metadata:
      variant_bitrate : 0
    Stream #0:0: Audio: mp3 ([3][0][0][0] / 0x0003), 44100 Hz, mono, s16p, 384 kb/s
    Metadata:
      variant_bitrate : 0

Best regards,
Andreas