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| 1 | - | Making screencast: |
| 1 | + | |
| 2 | - | $ ffmpeg -f x11grab -s 1280x760 -r 25 -i :0.0+3840+0 -f alsa -ac 2 -i pulse -sameq video.mpg |
| 2 | + | |
| 3 | ||
| 4 | Output: | |
| 5 | ffmpeg version 0.10.11-7:0.10.11-1~precise1 Copyright (c) 2000-2014 the FFmpeg developers | |
| 6 | built on Feb 6 2014 16:53:05 with gcc 4.6.3 | |
| 7 | configuration: --arch=amd64 --disable-stripping --enable-pthreads --enable-runtime-cpudetect --extra-version='7:0.10.11-1~precise1' --libdir=/usr/lib/x86_64-linux-gnu --prefix=/usr --enable-bzlib --enable-libdc1394 --enable-libfreetype --enable-frei0r --enable-gnutls --enable-libgsm --enable-libmp3lame --enable-librtmp --enable-libopencv --enable-libopenjpeg --enable-libpulse --enable-libschroedinger --enable-libspeex --enable-libtheora --enable-vaapi --enable-vdpau --enable-libvorbis --enable-libvpx --enable-zlib --enable-gpl --enable-postproc --enable-libcdio --enable-x11grab --enable-libx264 --shlibdir=/usr/lib/x86_64-linux-gnu --enable-shared --disable-static | |
| 8 | - | ffmpeg version 0.8.10-4:0.8.10-0ubuntu0.12.04.1, Copyright (c) 2000-2013 the Libav developers |
| 8 | + | libavutil 51. 35.100 / 51. 35.100 |
| 9 | - | built on Feb 6 2014 20:56:59 with gcc 4.6.3 |
| 9 | + | libavcodec 53. 61.100 / 53. 61.100 |
| 10 | - | *** THIS PROGRAM IS DEPRECATED *** |
| 10 | + | libavformat 53. 32.100 / 53. 32.100 |
| 11 | - | This program is only provided for compatibility and will be removed in a future release. Please use avconv instead. |
| 11 | + | libavdevice 53. 4.100 / 53. 4.100 |
| 12 | - | [mpeg @ 0x8807a0] max_analyze_duration reached |
| 12 | + | libavfilter 2. 61.100 / 2. 61.100 |
| 13 | libswscale 2. 1.100 / 2. 1.100 | |
| 14 | libswresample 0. 6.100 / 0. 6.100 | |
| 15 | - | Stream #0.0[0x1e0]: Video: mpeg1video, yuv420p, 1280x760 [PAR 1:1 DAR 32:19], 104857 kb/s, 25 fps, 25 tbr, 90k tbn, 25 tbc |
| 15 | + | libpostproc 52. 0.100 / 52. 0.100 |
| 16 | - | Stream #0.1[0x1c0]: Audio: mp2, 48000 Hz, stereo, s16, 128 kb/s |
| 16 | + | [mpeg @ 0x1242680] max_analyze_duration 5000000 reached at 5000000 |
| 17 | - | [buffer @ 0x883220] w:1280 h:760 pixfmt:yuv420p |
| 17 | + | |
| 18 | - | [scale @ 0x883600] w:1280 h:760 fmt:yuv420p -> w:1280 h:720 fmt:yuv420p flags:0x4 |
| 18 | + | |
| 19 | - | [libvpx @ 0x884b00] v1.0.0 |
| 19 | + | Stream #0:0[0x1e0]: Video: mpeg1video, yuv420p, 1280x760 [SAR 1:1 DAR 32:19], 104857 kb/s, 25 fps, 25 tbr, 90k tbn, 25 tbc |
| 20 | Stream #0:1[0x1c0]: Audio: mp2, 48000 Hz, stereo, s16, 128 kb/s | |
| 21 | Please use -b:a or -b:v, -b is ambiguous | |
| 22 | - | encoder : Lavf53.21.1 |
| 22 | + | [buffer @ 0x125a5a0] w:1280 h:760 pixfmt:yuv420p tb:1/1000000 sar:1/1 sws_param: |
| 23 | - | Stream #0.0: Video: libvpx, yuv420p, 1280x720 [PAR 18:19 DAR 32:19], q=11-51, pass 1, 3900 kb/s, 1k tbn, 25 tbc |
| 23 | + | [scale @ 0x125a100] w:1280 h:760 fmt:yuv420p -> w:1280 h:720 fmt:yuv420p flags:0x4 |
| 24 | [libvpx @ 0x12dad20] v1.0.0 | |
| 25 | - | Stream #0.0 -> #0.0 |
| 25 | + | |
| 26 | - | Press ctrl-c to stop encoding |
| 26 | + | |
| 27 | - | frame= 1747 fps= 75 q=0.0 Lsize= 0kB time=10000000000.00 bitrate= 0.0kbits/s |
| 27 | + | encoder : Lavf53.32.100 |
| 28 | Stream #0:0: Video: vp8, yuv420p, 1280x720 [SAR 18:19 DAR 32:19], q=11-51, pass 1, 3900 kb/s, 1k tbn, 25 tbc | |
| 29 | Stream mapping: | |
| 30 | Stream #0:0 -> #0:0 (mpeg1video -> libvpx) | |
| 31 | Press [q] to stop, [?] for help | |
| 32 | frame= 1747 fps= 76 q=0.0 Lsize= 0kB time=00:00:00.00 bitrate= 0.0kbits/s | |
| 33 | - | The content of the /usr/share/ffmpeg/libvpx-720p.ffpreset: |
| 33 | + | |
| 34 | - | vcodec=libvpx |
| 34 | + | Output file is empty, nothing was encoded (check -ss / -t / -frames parameters if used) |
