[FFmpeg-trac] #1852(swscale:open): libswscale can't handle destination widths below 8
FFmpeg
trac at avcodec.org
Sat Oct 27 13:37:53 CEST 2012
#1852: libswscale can't handle destination widths below 8
-------------------------------------+-----------------------------------
Reporter: gjdfgh | Owner:
Type: enhancement | Status: open
Priority: wish | Component: swscale
Version: git-master | Resolution:
Keywords: | Blocked By:
Blocking: | Reproduced by developer: 1
Analyzed by developer: 0 |
-------------------------------------+-----------------------------------
Changes (by cehoyos):
* priority: normal => wish
* status: new => open
* type: defect => enhancement
* reproduced: 0 => 1
Comment:
For future reports: Please always provide a command line together with
complete, uncut console output to make the reports valid.
{{{
$ ffmpeg -i tests/lena.pnm -s 8x3 out.png
ffmpeg version N-46039-g7fe6f6e Copyright (c) 2000-2012 the FFmpeg
developers
built on Oct 26 2012 14:53:11 with gcc 4.7 (SUSE Linux)
configuration: --enable-gpl
libavutil 52. 0.100 / 52. 0.100
libavcodec 54. 69.100 / 54. 69.100
libavformat 54. 35.100 / 54. 35.100
libavdevice 54. 3.100 / 54. 3.100
libavfilter 3. 20.106 / 3. 20.106
libswscale 2. 1.101 / 2. 1.101
libswresample 0. 16.100 / 0. 16.100
libpostproc 52. 1.100 / 52. 1.100
Input #0, image2, from 'tests/lena.pnm':
Duration: 00:00:00.04, start: 0.000000, bitrate: N/A
Stream #0:0: Video: ppm, rgb24, 256x256, 25 tbr, 25 tbn, 25 tbc
Output #0, image2, to 'out.png':
Metadata:
encoder : Lavf54.35.100
Stream #0:0: Video: png, rgb24, 8x3, q=2-31, 200 kb/s, 90k tbn, 25 tbc
Stream mapping:
Stream #0:0 -> #0:0 (ppm -> png)
Press [q] to stop, [?] for help
Segmentation fault
cehoyos at lisbeth:~/Projects/cehoyos/FFmpeg> ./ffmpeg -i tests/lena.pnm -s
7x8 out.png
ffmpeg version N-46039-g7fe6f6e Copyright (c) 2000-2012 the FFmpeg
developers
built on Oct 26 2012 14:53:11 with gcc 4.7 (SUSE Linux)
configuration: --enable-gpl
libavutil 52. 0.100 / 52. 0.100
libavcodec 54. 69.100 / 54. 69.100
libavformat 54. 35.100 / 54. 35.100
libavdevice 54. 3.100 / 54. 3.100
libavfilter 3. 20.106 / 3. 20.106
libswscale 2. 1.101 / 2. 1.101
libswresample 0. 16.100 / 0. 16.100
libpostproc 52. 1.100 / 52. 1.100
Input #0, image2, from 'tests/lena.pnm':
Duration: 00:00:00.04, start: 0.000000, bitrate: N/A
Stream #0:0: Video: ppm, rgb24, 256x256, 25 tbr, 25 tbn, 25 tbc
[swscaler @ 0x34bd340] 256x256 -> 7x8 is invalid scaling dimension
[swscaler @ 0x34bd340] 256x128 -> 7x4 is invalid scaling dimension
Last message repeated 1 times
[scaler for output stream 0:0 @ 0x34b2700] Failed to configure output pad
on scaler for output stream 0:0
Error opening filters!
}}}
--
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/1852#comment:1>
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