Opened 5 years ago

Closed 4 years ago

#1012 closed defect (fixed)

Random points with Indeo 5

Reported by: vampire7 Owned by:
Priority: normal Component: avcodec
Version: git-master Keywords: indeo5
Cc: Blocked By:
Blocking: Reproduced by developer: yes
Analyzed by developer: no

Description

The last line of some Indeo 5 videos show random points. This problem occur with ffplay and VLC 2.0, and not with another implementation of IV50 codec.

ffplay.exe -i \IV50_random_points.avi
ffplay version N-38053-ga923b6b Copyright (c) 2003-2012 the FFmpeg developers

built on Feb 20 2012 19:13:55 with gcc 4.6.2
configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-runtime-cpudetect --enable-avisynth --enable-bzlib --enable-frei0r --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libfreetype --enable-libgsm --enable-libmp3lame --enable-libopenjpeg --enable-librtmp --enable-libschroedinger --enable-libspeex --enable-libtheora --enable-libvo-aacenc --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libxavs --enable-libxvid --enable-zlib
libavutil 51. 39.100 / 51. 39.100
libavcodec 54. 3.101 / 54. 3.101
libavformat 54. 1.100 / 54. 1.100
libavdevice 53. 4.100 / 53. 4.100
libavfilter 2. 62.101 / 2. 62.101
libswscale 2. 1.100 / 2. 1.100
libswresample 0. 7.100 / 0. 7.100
libpostproc 52. 0.100 / 52. 0.100

Input #0, avi, from '\IV50_random_points.avi':

Duration: 00:00:05.00, start: 0.000000, bitrate: 1439 kb/s

Stream #0:0: Video: indeo5 (IV50 / 0x30355649), yuv410p, 352x288, 18 tbr, 18 tbn, 18 tbc

[buffersink @ 0000000001C7F090] auto-inserting filter 'auto-inserted scale 0' between the filter 'src' and the filter 'out'
[scale @ 0000000001C7F0F0] w:352 h:288 fmt:yuv410p -> w:352 h:288 fmt:yuv420p flags:0x4

Attachments (2)

IV50_random_points.avi (878.7 KB) - added by vampire7 5 years ago.
Indeo5_Scalability.avi (308.8 KB) - added by ami_stuff 5 years ago.

Download all attachments as: .zip

Change History (5)

Changed 5 years ago by vampire7

comment:1 Changed 5 years ago by cehoyos

  • Component changed from undetermined to avcodec
  • Keywords indeo5 added
  • Reproduced by developer set
  • Status changed from new to open
  • Version changed from unspecified to git-master

The bottom line of the video shows artefacts, possibly uninitialized data.

comment:2 Changed 5 years ago by ami_stuff

This happens when "Scalability" is enabled in codec. I attache another sample.

Changed 5 years ago by ami_stuff

comment:3 Changed 4 years ago by michael

  • Resolution set to fixed
  • Status changed from open to closed
Note: See TracTickets for help on using tickets.