On Thu, Oct 09, 2014 at 00:52:47 +0200, Peter Trompeter wrote: > so i do: ffmpeg -i snippet.h264 -r 25 -c:v copy snippet.mp4 > however, this does not seem to work. error message: Output file is empty, > nothing was encoded
> ffmpeg version 1.2.6-7:1.2.6-1~trusty1 Copyright (c) 2000-2014 the FFmpeg > developers This version is way too old. Use a recent one or build your own from git. Because it works for me (two week old snapshot), see below. Moritz :-) barsnick@sunshine:/tmp > ffmpeg -i snippet.h264 -r 25 -c:v copy snippet.mp4 -y ffmpeg version 2.4.git Copyright (c) 2000-2014 the FFmpeg developers built on Sep 26 2014 08:47:09 with icc (ICC) 14.0.3 20140422 configuration: --prefix=/usr/new/tools/video/install/ffmpeg/20140925 --enable-gpl --enable-version3 --enable-nonfree --disable-shared --enable-x11grab --enable-gnutls --enable-libcdio --enable-libfreetype --enable-libx264 --enable-libmp3lame --enable-openal --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-librtmp --enable-libass --enable-libv4l2 --enable-libvidstab --enable-libfdk-aac --enable-libsmbclient --cc=icc --cxx=icpc --extra-ldflags='-L/usr/new/tools/video/install/x264/current/lib -L/usr/new/tools/video/install/fdk-aac/current/lib' --extra-cflags='-I/usr/new/tools/video/install/x264/current/include -I/usr/new/tools/video/install/fdk-aac/current/include' libavutil 54. 7.101 / 54. 7.101 libavcodec 56. 1.101 / 56. 1.101 libavformat 56. 5.100 / 56. 5.100 libavdevice 56. 1.100 / 56. 1.100 libavfilter 5. 1.102 / 5. 1.102 libswscale 3. 1.100 / 3. 1.100 libswresample 1. 1.100 / 1. 1.100 libpostproc 53. 1.100 / 53. 1.100 [h264 @ 0xa35c420] Stream #0: not enough frames to estimate rate; consider increasing probesize Input #0, h264, from 'snippet.h264': Duration: N/A, bitrate: N/A Stream #0:0: Video: h264 (Constrained Baseline), yuv420p, 1440x544, 25 fps, 25 tbr, 1200k tbn, 50 tbc Output #0, mp4, to 'snippet.mp4': Metadata: encoder : Lavf56.5.100 Stream #0:0: Video: h264 ([33][0][0][0] / 0x0021), yuv420p, 1440x544, q=2-31, 25 fps, 12800 tbn, 25 tbc Stream mapping: Stream #0:0 -> #0:0 (copy) Press [q] to stop, [?] for help frame= 99 fps=0.0 q=-1.0 Lsize= 8451kB time=00:00:03.96 bitrate=17481.8kbits/s video:8449kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.014528% _______________________________________________ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user