[FFmpeg-trac] #7835(undetermined:new): crashes using crop with zscale
FFmpeg
trac at avcodec.org
Mon Apr 8 15:09:55 EEST 2019
#7835: crashes using crop with zscale
-------------------------------------+-------------------------------------
Reporter: nicol | Type: defect
Status: new | Priority: normal
Component: | Version: git-
undetermined | master
Keywords: | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
-------------------------------------+-------------------------------------
Summary of the bug: using crop filter sets x option(3rd opt) except for 0
with zscale crushes.
How to reproduce:
{{{
% ffmpeg -loglevel debug -v 99 -f lavfi -i testsrc2=s=640x360 -vf
crop=320:180:16:0,zscale=160:-2 -vframes 1 -f null -
ffmpeg version N-93542-gecdaa4b4fa
built with gcc 8.2.1 (GCC) 20190212
configuration: --enable-gpl --enable-version3 --enable-sdl2 --enable-
fontconfig --enable-gnutls --enable-iconv --enable-libass --enable-
libdav1d --enable-libbluray --enable-libfreetype --enable-libmp3lame
--enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg
--enable-libopus --enable-libshine --enable-libsnappy --enable-libsoxr
--enable-libtheora --enable-libtwolame --enable-libvpx --enable-libwavpack
--enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2
--enable-libzimg --enable-lzma --enable-zlib --enable-gmp --enable-
libvidstab --enable-libvorbis --enable-libvo-amrwbenc --enable-libmysofa
--enable-libspeex --enable-libxvid --enable-libaom --enable-libmfx
--enable-amf --enable-ffnvcodec --enable-cuvid --enable-d3d11va --enable-
nvenc --enable-nvdec --enable-dxva2 --enable-avisynth --enable-libopenmpt
libavutil 56. 26.100 / 56. 26.100
libavcodec 58. 48.101 / 58. 48.101
libavformat 58. 27.100 / 58. 27.100
libavdevice 58. 7.100 / 58. 7.100
libavfilter 7. 48.100 / 7. 48.100
libswscale 5. 4.100 / 5. 4.100
libswresample 3. 4.100 / 3. 4.100
libpostproc 55. 4.100 / 55. 4.100
Splitting the commandline.
Reading option '-loglevel' ... matched as option 'loglevel' (set logging
level) with argument 'debug'.
Reading option '-v' ... matched as option 'v' (set logging level) with
argument '99'.
Reading option '-f' ... matched as option 'f' (force format) with argument
'lavfi'.
Reading option '-i' ... matched as input url with argument
'testsrc2=s=640x360'.
Reading option '-vf' ... matched as option 'vf' (set video filters) with
argument 'crop=320:180:16:0,zscale=160:-2'.
Reading option '-vframes' ... matched as option 'vframes' (set the number
of video frames to output) with argument '1'.
Reading option '-f' ... matched as option 'f' (force format) with argument
'null'.
Reading option '-' ... matched as output url.
Finished splitting the commandline.
Parsing a group of options: global .
Applying option loglevel (set logging level) with argument debug.
Applying option v (set logging level) with argument 99.
Successfully parsed a group of options.
Parsing a group of options: input url testsrc2=s=640x360.
Applying option f (force format) with argument lavfi.
Successfully parsed a group of options.
Opening an input file: testsrc2=s=640x360.
detected 4 logical cores
[Parsed_testsrc2_0 @ 00000000003748c0] Setting 's' to value '640x360'
[Parsed_testsrc2_0 @ 00000000003748c0] size:640x360 rate:25/1
duration:-1.000000 sar:1/1
[AVFilterGraph @ 0000000000374580] query_formats: 2 queried, 1 merged, 0
already done, 0 delayed
[lavfi @ 0000000000370900] All info found
[lavfi @ 0000000000370900] stream 0: start_time: 0.000 duration:
-368934881474191040.000
[lavfi @ 0000000000370900] format: start_time: 0.000 duration:
-9223372036854.775 bitrate=0 kb/s
Input #0, lavfi, from 'testsrc2=s=640x360':
Duration: N/A, start: 0.000000, bitrate: N/A
Stream #0:0, 1, 1/25: Video: rawvideo, 1 reference frame (I420 /
0x30323449), yuv420p, 640x360 [SAR 1:1 DAR 16:9], 0/1, 25 tbr, 25 tbn, 25
tbc
Successfully opened the file.
Parsing a group of options: output url -.
Applying option vf (set video filters) with argument
crop=320:180:16:0,zscale=160:-2.
Applying option vframes (set the number of video frames to output) with
argument 1.
Applying option f (force format) with argument null.
Successfully parsed a group of options.
Opening an output file: -.
Successfully opened the file.
Stream mapping:
Stream #0:0 -> #0:0 (rawvideo (native) -> wrapped_avframe (native))
Press [q] to stop, [?] for help
cur_dts is invalid (this is harmless if it occurs once at the start per
stream)
[rawvideo @ 0000000002be4740] PACKET SIZE: 345600, STRIDE: 960
[Parsed_crop_0 @ 0000000002be5f00] Setting 'out_w' to value '320'
[Parsed_crop_0 @ 0000000002be5f00] Setting 'out_h' to value '180'
[Parsed_crop_0 @ 0000000002be5f00] Setting 'x' to value '16'
[Parsed_crop_0 @ 0000000002be5f00] Setting 'y' to value '0'
[Parsed_zscale_1 @ 00000000003e61c0] Setting 'w' to value '160'
[Parsed_zscale_1 @ 00000000003e61c0] Setting 'h' to value '-2'
[graph 0 input from stream 0:0 @ 00000000003e62c0] Setting 'video_size' to
value '640x360'
[graph 0 input from stream 0:0 @ 00000000003e62c0] Setting 'pix_fmt' to
value '0'
[graph 0 input from stream 0:0 @ 00000000003e62c0] Setting 'time_base' to
value '1/25'
[graph 0 input from stream 0:0 @ 00000000003e62c0] Setting 'pixel_aspect'
to value '1/1'
[graph 0 input from stream 0:0 @ 00000000003e62c0] Setting 'sws_param' to
value 'flags=2'
[graph 0 input from stream 0:0 @ 00000000003e62c0] Setting 'frame_rate' to
value '25/1'
[graph 0 input from stream 0:0 @ 00000000003e62c0] w:640 h:360
pixfmt:yuv420p tb:1/25 fr:25/1 sar:1/1 sws_param:flags=2
[AVFilterGraph @ 00000000003d5300] query_formats: 4 queried, 3 merged, 0
already done, 0 delayed
[Parsed_crop_0 @ 0000000002be5f00] w:640 h:360 sar:1/1 -> w:320 h:180
sar:1/1
[Parsed_zscale_1 @ 00000000003e61c0] w:320 h:180 fmt:yuv420p sar:1/1 ->
w:160 h:90 fmt:yuv420p sar:1/1
[Parsed_crop_0 @ 0000000002be5f00] n:0 t:0.000000 pos:nan x:16 y:0 x+w:336
y+h:180
[Parsed_zscale_1 @ 00000000003e61c0] w:320 h:180 fmt:yuv420p sar:1/1 ->
w:160 h:90 fmt:yuv420p sar:1/1
built on ... zeranoe
}}}
but
ffmpeg -loglevel debug -v 99 -f lavfi -i testsrc2=s=640x360 -vf
crop=320:180:'''0''':0,zscale=160:-2 -vframes 1 -f null -
ffmpeg -loglevel debug -v 99 -f lavfi -i testsrc2=s=640x360 -vf
crop=320:180:16:0,'''scale'''=160:-2 -vframes 1 -f null -
are no crushes.
Patches should be submitted to the ffmpeg-devel mailing list and not this
bug tracker.
--
Ticket URL: <https://trac.ffmpeg.org/ticket/7835>
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