And the workaround I ended up using: /usr/local/bin/ffmpeg -y -i test.MP4 -t 10 -filter_complex "[0:v:0]crop=1440:2:0:720,scale=1440:4,crop=1440:2,scale=1440:1440[OUT]" -c:v libx264 -pix_fmt yuv420p -preset ultrafast -tune fastdecode -tune zerolatency -map [OUT] out.mp4
2015-06-08 22:48 GMT+02:00 Jesper Taxbøl <[email protected]>: > Hmm. I have tried this pipeline which work. > > /usr/local/bin/ffmpeg -y -i test.MP4 -t 10 -filter_complex > "[0:v:0]crop=1440:2:0:720,scale=1440:1440[OUT]" -c:v libx264 -pix_fmt > yuv420p -preset ultrafast -tune fastdecode -tune zerolatency -map [OUT] > out.mp4 > > > Then I try this one, which is scaling from 1440x1 to 1440x1440, it fails. > > /usr/local/bin/ffmpeg -y -i test.MP4 -t 10 -filter_complex > "[0:v:0]crop=1440:1:0:720,scale=1440:1440[OUT]" -c:v libx264 -pix_fmt > yuv420p -preset ultrafast -tune fastdecode -tune zerolatency -map [OUT] > out.mp4 > > ffmpeg version 2.6.2 Copyright (c) 2000-2015 the FFmpeg developers > > built with Apple LLVM version 6.1.0 (clang-602.0.49) (based on LLVM > 3.6.0svn) > > configuration: --prefix=/usr/local/Cellar/ffmpeg/2.6.2 --enable-shared > --enable-pthreads --enable-gpl --enable-version3 --enable-hardcoded-tables > --enable-avresample --cc=clang --host-cflags= --host-ldflags= > --enable-libx264 --enable-libmp3lame --enable-libvo-aacenc --enable-libxvid > --enable-libfreetype --enable-libvorbis --enable-libvpx --enable-libfaac > --enable-libass --enable-ffplay --enable-libfdk-aac --enable-libopus > --enable-libquvi --enable-libx265 --enable-nonfree --enable-vda > > libavutil 54. 20.100 / 54. 20.100 > > libavcodec 56. 26.100 / 56. 26.100 > > libavformat 56. 25.101 / 56. 25.101 > > libavdevice 56. 4.100 / 56. 4.100 > > libavfilter 5. 11.102 / 5. 11.102 > > libavresample 2. 1. 0 / 2. 1. 0 > > libswscale 3. 1.101 / 3. 1.101 > > libswresample 1. 1.100 / 1. 1.100 > > libpostproc 53. 3.100 / 53. 3.100 > > [mov,mp4,m4a,3gp,3g2,mj2 @ 0x7fe6a300da00] UDTA parsing failed retrying > raw > > Last message repeated 1 times > > Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'test.MP4': > > Metadata: > > major_brand : mp42 > > minor_version : 0 > > compatible_brands: isomavc1mp42 > > creation_time : 2015-06-03 16:28:40 > > original_format : KODAK > > comment : KODAK PIXPRO SP360 > > Duration: 00:00:28.23, start: 0.000000, bitrate: 17023 kb/s > > Stream #0:0(eng): Video: h264 (High) (avc1 / 0x31637661), yuv420p, > 1440x1440, 15707 kb/s, 30 fps, 30 tbr, 30k tbn, 60k tbc (default) > > Metadata: > > rotate : 270 > > creation_time : 2015-06-03 16:28:40 > > handler_name : DataHandler > > encoder : h264 > > Side data: > > displaymatrix: rotation of 90.00 degrees > > Stream #0:1(eng): Audio: aac (LC) (mp4a / 0x6134706D), 32000 Hz, > stereo, fltp, 128 kb/s (default) > > Metadata: > > creation_time : 2015-06-03 16:28:40 > > handler_name : DataHandler > > [Parsed_crop_0 @ 0x7fe6a2f00820] Invalid too big or non positive size for > width '1440' or height '0' > > [Parsed_crop_0 @ 0x7fe6a2f00820] Failed to configure input pad on > Parsed_crop_0 > > I dont think the output encoder is to blame as the output is 1440x1440 in > both cases. Could be an off by one error somewhere? > > I have my workaround now, Ill just do it in two passes to get my single > pixel line stretched. > > Kind regards > > Jesper > > > 2015-06-08 11:22 GMT+02:00 Moritz Barsnick <[email protected]>: > >> On Mon, Jun 08, 2015 at 09:59:08 +0200, Jesper Taxbøl wrote: >> > The 1440x1 is only used in the pipeline. The end result will be a >> > resulution around 1440x11440, so that should be fine for ffmpeg. >> >> It should work in a pipeline. What you are trying to is to encode it >> with libx264, that's the part that doesn't work. You should be able to >> note that, because you see the muxer complaining, and not the filter. >> :-) >> >> This works for me: >> $ ffmpeg -y -f lavfi -i testsrc=size=1440x1440 -t 10 -filter_complex >> "[0:v:0]crop=1440:1:0:720[OUT]" -map "[OUT]" -f null - >> and seems to produce a 1440x1 video stream (so I conclude that the crop >> filter doesn't seem to have a restriction). >> >> Expand your filter chain and let us know. >> >> Moritz >> _______________________________________________ >> ffmpeg-user mailing list >> [email protected] >> http://ffmpeg.org/mailman/listinfo/ffmpeg-user >> > > > > -- > Jesper Taxbøl > +45 61627501 > -- Jesper Taxbøl +45 61627501 _______________________________________________ ffmpeg-user mailing list [email protected] http://ffmpeg.org/mailman/listinfo/ffmpeg-user
