[FFmpeg-devel] New asf demuxer

[Thierry Foucu]

On Sun, Jun 28, 2015 at 7:10 AM, Paul B Mahol <onemda at gmail.com> wrote:

> Hi,
>
> As you may already know new asf demuxer hit the tree but did not
> replace the old one.
>
> Here I ask for samples which show that one is better than another,
> whichever that one is.
>
>
First file i was using to test:
./ffprobe -f asf_o -i /tmp/g2m4.asf
ffprobe version N-73260-g9842d67 Copyright (c) 2007-2015 the FFmpeg
developers
  built with gcc 4.8 (Ubuntu 4.8.2-19ubuntu1)
  configuration:
  libavutil      54. 27.100 / 54. 27.100
  libavcodec     56. 45.101 / 56. 45.101
  libavformat    56. 40.100 / 56. 40.100
  libavdevice    56.  4.100 / 56.  4.100
  libavfilter     5. 19.100 /  5. 19.100
  libswscale      3.  1.101 /  3.  1.101
  libswresample   1.  2.100 /  1.  2.100
[asf_o @ 0x3401cc0] Suspicious data found! ASF stream #2 will be ignored.
Segmentation fault (core dumped)

When the old one:
./ffprobe -loglevel debug -f asf -i /tmp/g2m4.asf
ffprobe version N-73260-g9842d67 Copyright (c) 2007-2015 the FFmpeg
developers
  built with gcc 4.8 (Ubuntu 4.8.2-19ubuntu1)
  configuration:
  libavutil      54. 27.100 / 54. 27.100
  libavcodec     56. 45.101 / 56. 45.101
  libavformat    56. 40.100 / 56. 40.100
  libavdevice    56.  4.100 / 56.  4.100
  libavfilter     5. 19.100 /  5. 19.100
  libswscale      3.  1.101 /  3.  1.101
  libswresample   1.  2.100 /  1.  2.100
[asf @ 0x38fbcc0] gpos mismatch our pos=24, end=26
[asf @ 0x38fbcc0] gpos mismatch our pos=24, end=3421
[asf @ 0x38fbcc0] Payload extension 50 2
[asf @ 0x38fbcc0] gpos mismatch our pos=24, end=42
[asf @ 0x38fbcc0] Unsupported byte array in tag ASFLeakyBucketPairs.
[asf @ 0x38fbcc0] gpos mismatch our pos=24, end=170
[asf @ 0x38fbcc0] gpos mismatch our pos=24, end=44
[asf @ 0x38fbcc0] Before avformat_find_stream_info() pos: 5400 bytes
read:32768 seeks:0
[asf @ 0x38fbcc0] parser not found for codec wmav2, packets or times may be
invalid.
    Last message repeated 1 times
[asf @ 0x38fbcc0] All info found
[asf @ 0x38fbcc0] After avformat_find_stream_info() pos: 292123 bytes
read:294912 seeks:0 frames:53
Input #0, asf, from '/tmp/g2m4.asf':
  Metadata:
    DeviceConformanceTemplate: L2
    WMFSDKNeeded    : 0.0.0.0000
    WMFSDKVersion   : 12.0.7601.17514
    IsVBR           : 1
    WM/ToolVersion  : 5.4 Build 1082
    WM/ToolName     : GoToMeeting
    BitRateFrom the writer: 316869
    Audio samples   : 35053
    Video samples   : 28157
    recording time  : Wed, 18 Sep 2013 11:05:00 Eastern Daylight Time
  Duration: 00:58:29.57, start: 0.000000, bitrate: 320 kb/s
    Stream #0:0, 11, 1/1000: Audio: wmav2 (a[1][0][0] / 0x0161), 44100 Hz,
1 channels, fltp, 48 kb/s
    Stream #0:1, 1, 1/1000: Data: none, 0/1, 2 kb/s
    Stream #0:2, 41, 1/1000: Video: g2m, 1 reference frame (G2M4 /
0x344D3247), rgb24, 1440x900, 1/1000, 268 kb/s, 100 tbr, 1k tbn, 1k tbc
Unsupported codec with id 0 for input stream 1

Going to try to run against more samples later this week.

Also, for some other working file, the SAR/PAR is not being set with the
new muxer.



> Thanks for patience.
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