[FFmpeg-trac] #2936(avformat:new): %-syntax for GIF output is not respected, can't write individual frames as images
FFmpeg
trac at avcodec.org
Tue Sep 3 16:50:16 CEST 2013
#2936: %-syntax for GIF output is not respected, can't write individual frames as
images
----------------------------------+--------------------------------------
Reporter: slhck | Type: defect
Status: new | Priority: normal
Component: avformat | Version: git-master
Keywords: gif | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
----------------------------------+--------------------------------------
Recent ffmpeg does not correctly create individual GIF files. For example,
I expect this to output one .gif file for each frame:
{{{
ffmpeg -i input output%04d.gif
}}}
This works in ffmpeg 1.2.1, but it only creates a file called
`output%04d.gif` for newer versions.
This creates a file literally called `output%04d.gif`:
{{{
± % ./ffmpeg -i input.mp4 output%04d.gif
ffmpeg version N-55996-g916549c Copyright (c) 2000-2013 the FFmpeg
developers
built on Sep 3 2013 16:43:43 with llvm-gcc 4.2.1 (LLVM build
2336.11.00)
configuration: --enable-gpl --enable-version3 --enable-nonfree --enable-
postproc
libavutil 52. 43.100 / 52. 43.100
libavcodec 55. 31.100 / 55. 31.100
libavformat 55. 15.100 / 55. 15.100
libavdevice 55. 3.100 / 55. 3.100
libavfilter 3. 83.101 / 3. 83.101
libswscale 2. 5.100 / 2. 5.100
libswresample 0. 17.103 / 0. 17.103
libpostproc 52. 3.100 / 52. 3.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'input.mp4':
Metadata:
major_brand : isom
minor_version : 512
compatible_brands: isomiso2avc1mp41
creation_time : 2012-01-08 11:16:19
encoder : John Doe for ID 14077
Duration: 00:03:31.58, start: 0.000000, bitrate: 2359 kb/s
Stream #0:0(eng): Video: h264 (High) (avc1 / 0x31637661), yuv420p,
1280x720 [SAR 1:1 DAR 16:9], 2229 kb/s, 25 fps, 25 tbr, 25 tbn, 50 tbc
(default)
Metadata:
creation_time : 2012-01-08 11:16:19
handler_name : VideoHandler
Stream #0:1(eng): Audio: aac (mp4a / 0x6134706D), 48000 Hz, stereo,
fltp, 125 kb/s (default)
Metadata:
creation_time : 2012-01-08 11:16:19
handler_name : SoundHandler
[swscaler @ 0x7ff76d000a00] No accelerated colorspace conversion found
from yuv420p to bgr8.
Output #0, gif, to 'output%04d.gif':
Metadata:
major_brand : isom
minor_version : 512
compatible_brands: isomiso2avc1mp41
encoder : Lavf55.15.100
Stream #0:0(eng): Video: gif, bgr8, 1280x720 [SAR 1:1 DAR 16:9],
q=2-31, 200 kb/s, 100 tbn, 25 tbc (default)
Metadata:
creation_time : 2012-01-08 11:16:19
handler_name : VideoHandler
Stream mapping:
Stream #0:0 -> #0:0 (h264 -> gif)
Press [q] to stop, [?] for help
frame= 147 fps= 51 q=-1.0 Lsize= 24214kB time=00:00:05.88
bitrate=33734.8kbits/s
video:24360kB audio:0kB subtitle:0 global headers:0kB muxing overhead
-0.599030%
}}}
This works in 1.2.1, and it creates individual files for each frame:
{{{
± % ffmpeg -i input.mp4 output%04d.gif
ffmpeg version 1.2.1 Copyright (c) 2000-2013 the FFmpeg developers
built on Jul 24 2013 20:10:19 with Apple LLVM version 4.2
(clang-425.0.28) (based on LLVM 3.2svn)
configuration: --prefix=/usr/local/Cellar/ffmpeg/1.2.1 --enable-shared
--enable-pthreads --enable-gpl --enable-version3 --enable-nonfree
--enable-hardcoded-tables --enable-avresample --enable-vda --cc=cc --host-
cflags= --host-ldflags= --enable-libx264 --enable-libfaac --enable-
libmp3lame --enable-libxvid --enable-libfreetype --enable-libtheora
--enable-libvorbis --enable-libvpx --enable-librtmp --enable-libopencore-
amrnb --enable-libopencore-amrwb --enable-libvo-aacenc --enable-libass
--enable-ffplay --enable-libspeex --enable-libschroedinger --enable-
libfdk-aac --enable-libopus --enable-frei0r --enable-libcaca --enable-
libopenjpeg --extra-
cflags='-I/usr/local/Cellar/openjpeg/1.5.1/include/openjpeg-1.5 '
libavutil 52. 18.100 / 52. 18.100
libavcodec 54. 92.100 / 54. 92.100
libavformat 54. 63.104 / 54. 63.104
libavdevice 54. 3.103 / 54. 3.103
libavfilter 3. 42.103 / 3. 42.103
libswscale 2. 2.100 / 2. 2.100
libswresample 0. 17.102 / 0. 17.102
libpostproc 52. 2.100 / 52. 2.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'input.mp4':
Metadata:
major_brand : isom
minor_version : 512
compatible_brands: isomiso2avc1mp41
creation_time : 2012-01-08 11:16:19
encoder : John Doe for ID 14077
Duration: 00:03:31.58, start: 0.000000, bitrate: 2359 kb/s
Stream #0:0(eng): Video: h264 (High) (avc1 / 0x31637661), yuv420p,
1280x720 [SAR 1:1 DAR 16:9], 2229 kb/s, 25 fps, 25 tbr, 25 tbn, 50 tbc
Metadata:
creation_time : 2012-01-08 11:16:19
handler_name : VideoHandler
Stream #0:1(eng): Audio: aac (mp4a / 0x6134706D), 48000 Hz, stereo,
fltp, 125 kb/s
Metadata:
creation_time : 2012-01-08 11:16:19
handler_name : SoundHandler
[swscaler @ 0x7fd2e987b800] No accelerated colorspace conversion found
from yuv420p to bgr8.
[swscaler @ 0x7fd2e9882c00] No accelerated colorspace conversion found
from yuv420p to bgr8.
[swscaler @ 0x7fd2e9847a00] No accelerated colorspace conversion found
from yuv420p to bgr8.
Output #0, image2, to 'output%04d.gif':
Metadata:
major_brand : isom
minor_version : 512
compatible_brands: isomiso2avc1mp41
encoder : Lavf54.63.104
Stream #0:0(eng): Video: gif, bgr8, 1280x720 [SAR 1:1 DAR 16:9],
q=2-31, 200 kb/s, 90k tbn, 25 tbc
Metadata:
creation_time : 2012-01-08 11:16:19
handler_name : VideoHandler
Stream mapping:
Stream #0:0 -> #0:0 (h264 -> gif)
Press [q] to stop, [?] for help
frame= 135 fps= 51 q=0.0 Lsize=N/A time=00:00:05.40 bitrate=N/A
video:27300kB audio:0kB subtitle:0 global headers:0kB muxing overhead
-100.000079%
}}}
--
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/2936>
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