#430: Support for GMP4 variant of MPEG-4 ASP
-------------------------------------+-------------------------------------
Reporter: cehoyos | Owner:
Type: | Status: new
enhancement | Component:
Priority: wish | undetermined
Version: git- | Keywords: gmp4 mpeg4
master | Blocking:
Blocked By: | Analyzed by developer: 0
Reproduced by developer: 0 |
-------------------------------------+-------------------------------------
Attached file shows I-Frames with mplayer -vc +ffodivx and attached riff
patch. Other frame types only output "header damaged".
{{{
$ ffmpeg -v 9 -loglevel 99 -i gmp4.avi out.avi
ffmpeg version N-32325-g6f8b1fc, Copyright (c) 2000-2011 the FFmpeg
developers
built on Sep 5 2011 10:13:11 with gcc 4.5.3
configuration: --cc=/usr/local/gcc-4.5.3/bin/gcc
libavutil 51. 16. 0 / 51. 16. 0
libavcodec 53. 13. 0 / 53. 13. 0
libavformat 53. 11. 0 / 53. 11. 0
libavdevice 53. 3. 0 / 53. 3. 0
libavfilter 2. 37. 0 / 2. 37. 0
libswscale 2. 1. 0 / 2. 1. 0
[avi @ 0x129f780] Format avi probed with size=2048 and score=100
[AVI demuxer @ 0x129fda0] use odml:1
[avi @ 0x129f780] Something went wrong during header parsing, I will
ignore it and try to continue anyway.
[mpeg4 @ 0x12a17a0] hmm, seems the headers are not complete, trying to
guess time_increment_bits
[mpeg4 @ 0x12a17a0] my guess is 5 bits ;)
[avi @ 0x129f780] probing stream 1 pp:2500
...
[avi @ 0x129f780] probing stream 1 pp:1443
[avi @ 0x129f780] probed stream 1 failed
[avi @ 0x129f780] max_analyze_duration 5000000 reached at 5000000
Input #0, avi, from 'gmp4.avi':
Duration: 00:05:00.30, start: 0.000000, bitrate: 68 kb/s
Stream #0.0, 152, 1/30: Video: mpeg4 (GMP4 / 0x34504D47), yuv420p,
320x240, 1/30, 30 fps, 30 tbr, 30 tbn, 30 tbc
Stream #0.1, 152, 1/30: Subtitle: none
[buffer @ 0x15b2300] w:320 h:240 pixfmt:yuv420p tb:1/1000000 sar:0/1
sws_param:
[mpeg4 @ 0x12a2920] Unsupported bit depth: 0
Output #0, avi, to 'out.avi':
Metadata:
ISFT : Lavf53.11.0
Stream #0.0, 0, 1/30: Video: mpeg4 (FMP4 / 0x34504D46), yuv420p,
320x240, 1/30, q=2-31, 200 kb/s, 30 tbn, 30 tbc
Stream mapping:
Stream #0.0 -> #0.0 (mpeg4 -> mpeg4)
Press [q] to stop, [?] for help
[mpeg4 @ 0x12a17a0] Unsupported bit depth: 0
[mpeg4 @ 0x12a17a0] hmm, seems the headers are not complete, trying to
guess time_increment_bits
[mpeg4 @ 0x12a17a0] my guess is 5 bits ;)
[mpeg4 @ 0x12a17a0] looks like this file was encoded with
(divx4/(old)xvid/opendivx) -> forcing low_delay flag
[mpeg4 @ 0x12a17a0] header damaged
Error while decoding stream #0.0
...
Error while decoding stream #0.0
Last message repeated 1054 times
frame= 9 fps= 0 q=10.8 Lsize= 148kB time=00:00:32.03 bitrate=
37.8kbits/s ^M
video:120kB audio:0kB global headers:0kB muxing overhead 23.445171%
}}}
--
Ticket URL: <https://avcodec.org/trac/ffmpeg/ticket/430>
FFmpeg <http://ffmpeg.org>
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