#2556: Broken PNG decode
-------------------------------------+-------------------------------------
Reporter: ubitux | Owner:
Type: defect | Status: new
Priority: normal | Component:
Version: unspecified | undetermined
Keywords: png | Resolution:
Blocking: | Blocked By:
Analyzed by developer: 0 | Reproduced by developer: 0
-------------------------------------+-------------------------------------
Description changed by ubitux:
Old description:
> {{{
> % ./ffplay -f lavfi testsrc=s=800x600 -vf
> 'movie=Stopwatch-256.png[watermark];[in][watermark]overlay=10:10 [out]'
> ffplay version N-52955-g8749649 Copyright (c) 2003-2013 the FFmpeg
> developers
> built on May 10 2013 18:56:27 with gcc 4.8.0 (GCC) 20130502
> (prerelease)
> configuration: --enable-gpl --enable-version3 --enable-fontconfig
> --enable-libfreetype --enable-libmp3lame --enable-libvorbis --enable-
> libxvid --enable-libx264 --enable-libvpx --enable-libtheora --enable-
> x11grab --enable-libopenjpeg --enable-libass --enable-libmodplug
> --enable-libv4l2 --cc=colorgcc --samples=/home/ubitux/fate-samples
> --prefix=/tmp/ffinstall --disable-runtime-cpudetect --enable-libcelt
> --enable-libopencv --enable-frei0r --enable-libcaca --enable-libiec61883
> --enable-libopencore-amrwb --enable-libopencore-amrnb --enable-libopus
> --enable-libpulse --enable-libspeex --enable-libquvi --enable-memory-
> poisoning
> libavutil 52. 30.100 / 52. 30.100
> libavcodec 55. 7.100 / 55. 7.100
> libavformat 55. 4.101 / 55. 4.101
> libavdevice 55. 0.100 / 55. 0.100
> libavfilter 3. 63.101 / 3. 63.101
> libswscale 2. 3.100 / 2. 3.100
> libswresample 0. 17.102 / 0. 17.102
> libpostproc 52. 3.100 / 52. 3.100
> nan A-V: 0.000 fd= 0 aq= 0KB vq= 0KB sq= 0B f=0/0
> ^MInput #0, lavfi, from 'testsrc':
> Duration: N/A, start: 0.000000, bitrate: N/A
> Stream #0:0: Video: rawvideo (RGB[24] / 0x18424752), rgb24, 320x240
> [SAR 1:1 DAR 4:3], 25 tbr, 25 tbn, 25 tbc
> [png @ 0x7fe548001ce0] Missing png signature
> [Parsed_movie_0 @ 0x7fe548004160] Decode error: Operation not permitted
> [png @ 0x7fe548001ce0] Missing png signature
> [Parsed_movie_0 @ 0x7fe548004160] Decode error: Operation not permitted
> [png @ 0x7fe548001ce0] Missing png signature
> [Parsed_movie_0 @ 0x7fe548004160] Decode error: Operation not permitted
> [png @ 0x7fe548001ce0] Missing png signature
> [Parsed_movie_0 @ 0x7fe548004160] Decode error: Operation not permitted
> [png @ 0x7fe548001ce0] Missing png signature
> [Parsed_movie_0 @ 0x7fe548004160] Decode error: Operation not permitted
> [png @ 0x7fe548001ce0] Missing png signature
> [Parsed_movie_0 @ 0x7fe548004160] Decode error: Operation not permitted
> [png @ 0x7fe548001ce0] Missing png signature
> [Parsed_movie_0 @ 0x7fe548004160] Decode error: Operation not permitted
> [png @ 0x7fe548001ce0] Missing png signature
> [Parsed_movie_0 @ 0x7fe548004160] Decode error: Operation not permitted
> [png @ 0x7fe548001ce0] Missing png signature
> [Parsed_movie_0 @ 0x7fe548004160] Decode error: Operation not permitted
> [png @ 0x7fe548001ce0] Missing png signature
> [...]
> }}}
>
> Works fine if converting that PNG to GIF first.
New description:
{{{
% ./ffmpeg -f lavfi -i testsrc=s=800x600 -vf
'movie=/tmp/Stopwatch-256.png[watermark];[in][watermark]overlay=10:10
[out]' -f null -
ffmpeg version N-52955-g8749649 Copyright (c) 2000-2013 the FFmpeg
developers
built on May 10 2013 18:56:27 with gcc 4.8.0 (GCC) 20130502 (prerelease)
configuration: --enable-gpl --enable-version3 --enable-fontconfig
--enable-libfreetype --enable-libmp3lame --enable-libvorbis --enable-
libxvid --enable-libx264 --enable-libvpx --enable-libtheora --enable-
x11grab --enable-libopenjpeg --enable-libass --enable-libmodplug --enable-
libv4l2 --cc=colorgcc --samples=/home/ubitux/fate-samples
--prefix=/tmp/ffinstall --disable-runtime-cpudetect --enable-libcelt
--enable-libopencv --enable-frei0r --enable-libcaca --enable-libiec61883
--enable-libopencore-amrwb --enable-libopencore-amrnb --enable-libopus
--enable-libpulse --enable-libspeex --enable-libquvi --enable-memory-
poisoning
libavutil 52. 30.100 / 52. 30.100
libavcodec 55. 7.100 / 55. 7.100
libavformat 55. 4.101 / 55. 4.101
libavdevice 55. 0.100 / 55. 0.100
libavfilter 3. 63.101 / 3. 63.101
libswscale 2. 3.100 / 2. 3.100
libswresample 0. 17.102 / 0. 17.102
libpostproc 52. 3.100 / 52. 3.100
Input #0, lavfi, from 'testsrc=s=800x600':
Duration: N/A, start: 0.000000, bitrate: N/A
Stream #0:0: Video: rawvideo (RGB[24] / 0x18424752), rgb24, 800x600
[SAR 1:1 DAR 4:3], 25 tbr, 25 tbn, 25 tbc
Output #0, null, to 'pipe:':
Metadata:
encoder : Lavf55.4.101
Stream #0:0: Video: rawvideo (Y4[11][8] / 0x80B3459), yuva420p,
800x600 [SAR 1:1 DAR 4:3], q=2-31, 200 kb/s, 90k tbn, 25 tbc
Stream mapping:
Stream #0:0 -> #0:0 (rawvideo -> rawvideo)
Press [q] to stop, [?] for help
[png @ 0x2b7e6c0] Missing png signature
[Parsed_movie_0 @ 0x2b7f3c0] Decode error: Operation not permitted
[png @ 0x2b7e6c0] Missing png signature
[Parsed_movie_0 @ 0x2b7f3c0] Decode error: Operation not permitted
[png @ 0x2b7e6c0] Missing png signature
[Parsed_movie_0 @ 0x2b7f3c0] Decode error: Operation not permitted
[png @ 0x2b7e6c0] Missing png signature
[Parsed_movie_0 @ 0x2b7f3c0] Decode error: Operation not permitted
[png @ 0x2b7e6c0] Missing png signature
[Parsed_movie_0 @ 0x2b7f3c0] Decode error: Operation not permitted
[png @ 0x2b7e6c0] Missing png signature
[Parsed_movie_0 @ 0x2b7f3c0] Decode error: Operation not permitted
[png @ 0x2b7e6c0] Missing png signature
[Parsed_movie_0 @ 0x2b7f3c0] Decode error: Operation not permitted
[png @ 0x2b7e6c0] Missing png signature
[Parsed_movie_0 @ 0x2b7f3c0] Decode error: Operation not permitted
[png @ 0x2b7e6c0] Missing png signature
[Parsed_movie_0 @ 0x2b7f3c0] Decode error: Operation not permitted
[...]
}}}
Works fine if converting that PNG to GIF first.
--
--
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/2556#comment:1>
FFmpeg <http://ffmpeg.org>
FFmpeg issue tracker
_______________________________________________
FFmpeg-trac mailing list
FFmpeg-trac@avcodec.org
http://avcodec.org/mailman/listinfo/ffmpeg-trac
