Hi On Wed, 12 Sep 2018, 17:09 Peter Gusev, <[email protected]> wrote:
> Hi! well I'm sure the ones I tried are incorrect as I'm not familiar with > ffmpeg much. But here's one of them: > > ffmpeg -f avfoundation -framerate 30 -i "0" -f rawvideo -pix_fmt argb - | > ffplay -f rawvideo -s1280x720 -pix_fmt argb -i - > Put a space between -s and 1280x720 ffmpeg version 3.4ffplay version 3.4 Copyright © 2000-2017 the FFmpeg > developers Copyright © 2003-2017 the FFmpeg developers > > built with Apple LLVM version 9.0.0 (clang-900.0.38) > built with Apple LLVM version 9.0.0 (clang-900.0.38) > configuration: --prefix=/usr/local/Cellar/ffmpeg/3.4 --enable-shared > --enable-pthreads --enable-version3 --enable-hardcoded-tables > --enable-avresample --cc=clang --host-cflags= --host-ldflags= --enable-gpl > --enable-ffplay --enable-libmp3lame --enable-libx264 --enable-libxvid > --enable-opencl --enable-videotoolbox --disable-lzma > configuration: --prefix=/usr/local/Cellar/ffmpeg/3.4 --enable-shared > --enable-pthreads --enable-version3 --enable-hardcoded-tables > --enable-avresample --cc=clang --host-cflags= --host-ldflags= --enable-gpl > --enable-ffplay --enable-libmp3lame --enable-libx264 --enable-libxvid > --enable-opencl --enable-videotoolbox --disable-lzma > libavutil 55. 78.100 / 55. 78.100 > libavutil 55. 78.100 / 55. 78.100 > libavcodec 57.107.100 / 57.107.100 > libavcodec 57.107.100 / 57.107.100 > libavformat 57. 83.100 / 57. 83.100 > libavformat 57. 83.100 / 57. 83.100 > libavdevice 57. 10.100 / 57. 10.100 > libavdevice 57. 10.100 / 57. 10.100 > libavfilter 6.107.100 / 6.107.100 > libavfilter 6.107.100 / 6.107.100 > libavresample 3. 7. 0 / 3. 7. 0 > libavresample 3. 7. 0 / 3. 7. 0 > libswscale 4. 8.100 / 4. 8.100 > libswscale 4. 8.100 / 4. 8.100 > libswresample 2. 9.100 / 2. 9.100 > libswresample 2. 9.100 / 2. 9.100 > libpostproc 54. 7.100 / 54. 7.100 > libpostproc 54. 7.100 / 54. 7.100 > Failed to set value '-pix_fmt' for option 's1280x720': Option not found > The lack of a space is causing this error. Best, Kieran _______________________________________________ ffmpeg-user mailing list [email protected] http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email [email protected] with subject "unsubscribe".
