Closed yuji38kwmt closed 3 years ago
I executed the following command in oreder to generate images from video. But images were not generated. What should I do ?
https://github.com/leandromoreira/digital_video_introduction/blob/master/encoding_pratical_examples.md#generate-images-from-video
vagrant@example:~/Documents/digital_video_introduction (master)$ ./s/ffmpeg -y -i /files/v/small_bunny_1080p_30fps.mp4 -ss 00:01:24 -t 00:00:01 /files/v/smallest_bunny_1080p_30fps_%3d.jpg ffmpeg version 3.3.9 Copyright (c) 2000-2018 the FFmpeg developers built with gcc 5.4.0 (Ubuntu 5.4.0-6ubuntu1~16.04.11) 20160609 configuration: --disable-debug --disable-doc --disable-ffplay --enable-shared --enable-avresample --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-gpl --enable-libass --enable-libfreetype --enable-libvidstab --enable-libmp3lame --enable-libopenjpeg --enable-libopus --enable-libtheora --enable-libvorbis --enable-libvpx --enable-libwebp --enable-libx265 --enable-libxvid --enable-libx264 --enable-nonfree --enable-openssl --enable-libfdk_aac --enable-libkvazaar --enable-postproc --enable-small --enable-version3 --extra-cflags=-I/opt/ffmpeg/include --extra-ldflags=-L/opt/ffmpeg/lib --extra-libs=-ldl --prefix=/opt/ffmpeg libavutil 55. 58.100 / 55. 58.100 libavcodec 57. 89.100 / 57. 89.100 libavformat 57. 71.100 / 57. 71.100 libavdevice 57. 6.100 / 57. 6.100 libavfilter 6. 82.100 / 6. 82.100 libavresample 3. 5. 0 / 3. 5. 0 libswscale 4. 6.100 / 4. 6.100 libswresample 2. 7.100 / 2. 7.100 libpostproc 54. 5.100 / 54. 5.100 Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '/files/v/small_bunny_1080p_30fps.mp4': Metadata: major_brand : isom minor_version : 512 compatible_brands: isomiso2avc1mp41 title : Big Buck Bunny, Sunflower version artist : Blender Foundation 2008, Janus Bager Kristensen 2013 composer : Sacha Goedegebure encoder : Lavf57.56.100 comment : Creative Commons Attribution 3.0 - http://bbb3d.renderfarming.net genre : Animation Duration: 00:00:10.02, start: 0.000000, bitrate: 2274 kb/s Stream #0:0(und): Video: h264 (avc1 / 0x31637661), yuv420p, 1920x1080 [SAR 1:1 DAR 16:9], 1927 kb/s, 30 fps, 30 tbr, 15360 tbn, 60 tbc (default) Metadata: handler_name : VideoHandler Stream #0:1(und): Audio: aac (mp4a / 0x6134706D), 48000 Hz, 5.1, fltp, 340 kb/s (default) Metadata: handler_name : SoundHandler Stream mapping: Stream #0:0 -> #0:0 (h264 (native) -> mjpeg (native)) Press [q] to stop, [?] for help [swscaler @ 0x204c360] deprecated pixel format used, make sure you did set range correctly Output #0, image2, to '/files/v/smallest_bunny_1080p_30fps_%3d.jpg': Metadata: major_brand : isom minor_version : 512 compatible_brands: isomiso2avc1mp41 title : Big Buck Bunny, Sunflower version artist : Blender Foundation 2008, Janus Bager Kristensen 2013 composer : Sacha Goedegebure genre : Animation comment : Creative Commons Attribution 3.0 - http://bbb3d.renderfarming.net encoder : Lavf57.71.100 Stream #0:0(und): Video: mjpeg, yuvj420p(pc), 1920x1080 [SAR 1:1 DAR 16:9], q=2-31, 200 kb/s, 30 fps, 30 tbn, 30 tbc (default) Metadata: handler_name : VideoHandler encoder : Lavc57.89.100 mjpeg Side data: cpb: bitrate max/min/avg: 0/0/200000 buffer size: 0 vbv_delay: -1 frame= 0 fps=0.0 q=0.0 Lsize=N/A time=00:00:00.00 bitrate=N/A speed= 0x video:0kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: unknown Output file is empty, nothing was encoded (check -ss / -t / -frames parameters if used)
@yuji38kwmt you're right, I fixed it.
It was due to the ss trying to seek in a 10s video :)
ss
Thanks!
I executed the following command in oreder to generate images from video. But images were not generated. What should I do ?
https://github.com/leandromoreira/digital_video_introduction/blob/master/encoding_pratical_examples.md#generate-images-from-video