On Wed, Apr 29, 2015 at 09:58:55PM +0000, JULIAN GARDNER wrote: > Just thought i would give this a test and took a video i had, cropped a > static bit from the picture, using gimp, and tried to run this. > but I have the same problem as one of my own filters, png decode does not > work, well not with a png generated with gimp. > anybody know how to export a VALID png file. > > command line and output > encoder@encoder:~/ffmpeg$ ./ffmpeg -i /home/encoder/dumps/stream.ts -vf > 'scale=640:360,foc=object=ball.png' -y -f mpegts a.ts > ffmpeg version N-69739-gbc3514b Copyright (c) 2000-2015 the FFmpeg developers > built with gcc 4.8 (Ubuntu 4.8.2-19ubuntu1) > configuration: --bindir=/home/encoder/bin --enable-gpl --enable-version3 > --enable-nonfree --disable-ffserver --disable-dxva2 --disable-vaapi > --disable-vda --disable-vdpau --disable-libxcb --enable-libmp3lame > --enable-postproc --enable-libfaac --enable-libzvbi --enable-libx264 > --enable-libx265 --cc='ccache cc' > libavutil 54. 18.100 / 54. 18.100 > libavcodec 56. 21.102 / 56. 21.102 > libavformat 56. 19.101 / 56. 19.101 > libavdevice 56. 4.100 / 56. 4.100 > libavfilter 5. 10.100 / 5. 10.100 > libswscale 3. 1.101 / 3. 1.101 > libswresample 1. 1.100 / 1. 1.100 > libpostproc 53. 3.100 / 53. 3.100 > [mpegts @ 0x25ce1a0] New SDT(0x0011) Table, version 255 to 0 > [mpegts @ 0x25ce1a0] New PMT(0x0040) Table, version 255 to 0 > Input #0, mpegts, from '/home/encoder/dumps/stream.ts': > Duration: 00:15:00.04, start: 8526.864000, bitrate: 9900 kb/s > Program 48 > Metadata: > service_name : DTV3 > service_provider: > Stream #0:0[0x41]: Video: h264 (High) ([27][0][0][0] / 0x001B), yuv420p, > 1280x720 [SAR 1:1 DAR 16:9], 50 fps, 50 tbr, 90k tbn, 100 tbc > Stream #0:1[0x42]: Audio: mp2 ([4][0][0][0] / 0x0004), 48000 Hz, stereo, > s16p, 128 kb/s > [png @ 0x260cda0] PNG2 > [png @ 0x260cda0] PNG3 > [Parsed_foc_1 @ 0x260b640] Failed to decode image from file > [png @ 0x25c2a60] PNG2 > [png @ 0x25c2a60] PNG3 > [Parsed_foc_1 @ 0x260b640] Error loading image file 'ball.png' > [AVFilterGraph @ 0x25d31a0] Error initializing filter 'foc' with args > 'object=ball.png' > Error opening filters!
the object file must be gray8 colorspace i used a .pgm ill fix the code to produce a better error message and document that thanks [...] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB The educated differ from the uneducated as much as the living from the dead. -- Aristotle
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