#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> FFmpeg issue tracker