Hi all, I've tried recording my screen set at 1366 x 768 and specified -video_size to 1024x768. The command did create a recording however it did not change the size. The output is below (further comments after the output).
ffmpeg -rtbufsize 1000M -f dshow -i video="screen-capture-recorder":audio="Interna l Mic (IDT High Definiti" -flags +global_header -vcodec libx264 -pix_fmt yuv420p -video_size 1024x768 -preset ultrafast -acodec aac -ac 1 -ar 22050 "Sessiontest2.mp4" ffmpeg version N-82966-g6993bb4 Copyright (c) 2000-2016 the FFmpeg developers built with gcc 5.4.0 (GCC) configuration: --enable-gpl --enable-version3 --enable-dxva2 --enable-libmfx --enable-nvenc --enable-avisynth --enable -bzlib --enable-fontconfig --enable-frei0r --enable-gnutls --enable-iconv --enable-libass --enable-libbluray --enable-li bbs2b --enable-libcaca --enable-libfreetype --enable-libgme --enable-libgsm --enable-libilbc --enable-libmodplug --enabl e-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenh264 --enable-libopenjpeg --enable-li bopus --enable-librtmp --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libtheora --enable-libtwolame --en able-libvidstab --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable -libx264 --enable-libx265 --enable-libxavs --enable-libxvid --enable-libzimg --enable-lzma --enable-decklink --enable-zl ib libavutil 55. 43.100 / 55. 43.100 libavcodec 57. 70.100 / 57. 70.100 libavformat 57. 61.100 / 57. 61.100 libavdevice 57. 2.100 / 57. 2.100 libavfilter 6. 68.100 / 6. 68.100 libswscale 4. 3.101 / 4. 3.101 libswresample 2. 4.100 / 2. 4.100 libpostproc 54. 2.100 / 54. 2.100 leaving aero onGuessed Channel Layout for Input Stream #0.1 : stereo Input #0, dshow, from 'video=screen-capture-recorder:audio=Internal Mic (IDT High Definiti': Duration: N/A, start: 40602.935000, bitrate: N/A Stream #0:0: Video: rawvideo, bgr0, 1366x768, 30 fps, 30 tbr, 10000k tbn, 10000k tbc Stream #0:1: Audio: pcm_s16le, 44100 Hz, stereo, s16, 1411 kb/s [libx264 @ 00000000005c6400] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX [libx264 @ 00000000005c6400] profile Constrained Baseline, level 3.2 [libx264 @ 00000000005c6400] 264 - core 148 r2744 b97ae06 - H.264/MPEG-4 AVC codec - Copyleft 2003-2016 - http://www.vid eolan.org/x264.html - options: cabac=0 ref=1 deblock=0:0:0 analyse=0:0 me=dia subme=0 psy=1 psy_rd=1.00:0.00 mixed_ref=0 me_range=16 chroma_me=1 trellis=0 8x8dct=0 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=0 threads=12 lookahead_th reads=2 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=0 weightp=0 keyint=250 keyint_min=25 scenecut=0 intra_refresh=0 rc=crf mbtree=0 crf=23.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq =0 Output #0, mp4, to 'Sessiontest2.mp4': Metadata: encoder : Lavf57.61.100 Stream #0:0: Video: h264 (libx264) ([33][0][0][0] / 0x0021), yuv420p, 1366x768, q=-1--1, 30 fps, 10000k tbn, 30 tbc Metadata: encoder : Lavc57.70.100 libx264 Side data: cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: -1 Stream #0:1: Audio: aac (LC) ([64][0][0][0] / 0x0040), 22050 Hz, mono, fltp, 69 kb/s Metadata: encoder : Lavc57.70.100 aac Stream mapping: Stream #0:0 -> #0:0 (rawvideo (native) -> h264 (libx264)) Stream #0:1 -> #0:1 (pcm_s16le (native) -> aac (native)) Press [q] to stop, [?] for help [swscaler @ 00000000005e0fe0] Warning: data is not aligned! This can lead to a speedloss Past duration 0.937492 too large 4348kB time=00:00:51.53 bitrate= 691.1kbits/s speed=0.993x frame=175139 fps= 30 q=-1.0 Lsize= 216992kB time=01:37:17.92 bitrate= 304.5kbits/s dup=15 drop=13 speed= 1x video:165641kB audio:47853kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 1.638695% [libx264 @ 00000000005c6400] frame I:701 Avg QP:10.05 size:209412 [libx264 @ 00000000005c6400] frame P:174438 Avg QP:13.22 size: 131 [libx264 @ 00000000005c6400] mb I I16..4: 100.0% 0.0% 0.0% [libx264 @ 00000000005c6400] mb P I16..4: 0.1% 0.0% 0.0% P16..4: 0.1% 0.0% 0.0% 0.0% 0.0% skip:99.9% [libx264 @ 00000000005c6400] coded y,uvDC,uvAC intra: 34.1% 30.5% 29.8% inter: 0.0% 0.1% 0.0% [libx264 @ 00000000005c6400] i16 v,h,dc,p: 45% 48% 4% 4% [libx264 @ 00000000005c6400] i8c dc,h,v,p: 49% 36% 12% 3% [libx264 @ 00000000005c6400] kb/s:232.43 [aac @ 00000000005c8340] Qavg: 48946.633 Inspection of the output file is below: ffmpeg -i Sessiontest2.mp4 ffmpeg version N-82889-g54931fd Copyright (c) 2000-2016 the FFmpeg developers built with gcc 5.4.0 (GCC) configuration: --enable-gpl --enable-version3 --enable-dxva2 --enable-libmfx --enable-nvenc --enable-avisynth --enable -bzlib --enable-fontconfig --enable-frei0r --enable-gnutls --enable-iconv --enable-libass --enable-libbluray --enable-li bbs2b --enable-libcaca --enable-libfreetype --enable-libgme --enable-libgsm --enable-libilbc --enable-libmodplug --enabl e-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenh264 --enable-libopenjpeg --enable-li bopus --enable-librtmp --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libtheora --enable-libtwolame --en able-libvidstab --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable -libx264 --enable-libx265 --enable-libxavs --enable-libxvid --enable-libzimg --enable-lzma --enable-decklink --enable-zl ib libavutil 55. 43.100 / 55. 43.100 libavcodec 57. 68.100 / 57. 68.100 libavformat 57. 61.100 / 57. 61.100 libavdevice 57. 2.100 / 57. 2.100 libavfilter 6. 68.100 / 6. 68.100 libswscale 4. 3.101 / 4. 3.101 libswresample 2. 4.100 / 2. 4.100 libpostproc 54. 2.100 / 54. 2.100 Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'Sessiontest2.mp4': Metadata: major_brand : isom minor_version : 512 compatible_brands: isomiso2avc1mp41 encoder : Lavf57.61.100 Duration: 01:37:17.96, start: -0.003991, bitrate: 304 kb/s Stream #0:0(und): Video: h264 (Constrained Baseline) (avc1 / 0x31637661), yuv420p, 1366x768, 232 kb/s, 30 fps, 30 tb r, 10000k tbn, 60 tbc (default) Metadata: handler_name : VideoHandler Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 22050 Hz, mono, fltp, 67 kb/s (default) Metadata: handler_name : SoundHandler If I follow the example used from the online documentation here: https://trac.ffmpeg.org/wiki/DirectShow You can see in this particular instance that it can either stream it to you in a "raw pixel_format" (yuyv422 in this case), or as an mjpeg stream. ffmpeg -f dshow -video_size 1280x720 -framerate 7.5 -pixel_format yuyv422 -i video="Integrated Camera" out.avi ...which is switching -video_size parameter before the codec and apply it to my command this is what I get. ffmpeg -rtbufsize 1000M -f dshow -video_size 1024x768 -i video="screen-capture-rec order":audio="Internal Mic (IDT High Definiti" -flags +global_header -vcodec libx264 -pix_fmt yuv420p -video_size 1024x7 68 -preset ultrafast -acodec aac -ac 1 -ar 22050 "Sessiontest2.mp4" ffmpeg version N-82966-g6993bb4 Copyright (c) 2000-2016 the FFmpeg developers built with gcc 5.4.0 (GCC) configuration: --enable-gpl --enable-version3 --enable-dxva2 --enable-libmfx --enable-nvenc --enable-avisynth --enable -bzlib --enable-fontconfig --enable-frei0r --enable-gnutls --enable-iconv --enable-libass --enable-libbluray --enable-li bbs2b --enable-libcaca --enable-libfreetype --enable-libgme --enable-libgsm --enable-libilbc --enable-libmodplug --enabl e-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenh264 --enable-libopenjpeg --enable-li bopus --enable-librtmp --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libtheora --enable-libtwolame --en able-libvidstab --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable -libx264 --enable-libx265 --enable-libxavs --enable-libxvid --enable-libzimg --enable-lzma --enable-decklink --enable-zl ib libavutil 55. 43.100 / 55. 43.100 libavcodec 57. 70.100 / 57. 70.100 libavformat 57. 61.100 / 57. 61.100 libavdevice 57. 2.100 / 57. 2.100 libavfilter 6. 68.100 / 6. 68.100 libswscale 4. 3.101 / 4. 3.101 libswresample 2. 4.100 / 2. 4.100 libpostproc 54. 2.100 / 54. 2.100 [dshow @ 0000000000558fe0] Could not set video options video=screen-capture-recorder:audio=Internal Mic (IDT High Definiti: I/O error If you are wondering what the screen capture recorder options are, they would be this: ffmpeg -list_options true -f dshow -i video="screen-capture-recorder" ffmpeg version N-82966-g6993bb4 Copyright (c) 2000-2016 the FFmpeg developers built with gcc 5.4.0 (GCC) configuration: --enable-gpl --enable-version3 --enable-dxva2 --enable-libmfx --enable-nvenc --enable-avisynth --enable -bzlib --enable-fontconfig --enable-frei0r --enable-gnutls --enable-iconv --enable-libass --enable-libbluray --enable-li bbs2b --enable-libcaca --enable-libfreetype --enable-libgme --enable-libgsm --enable-libilbc --enable-libmodplug --enabl e-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenh264 --enable-libopenjpeg --enable-li bopus --enable-librtmp --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libtheora --enable-libtwolame --en able-libvidstab --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable -libx264 --enable-libx265 --enable-libxavs --enable-libxvid --enable-libzimg --enable-lzma --enable-decklink --enable-zl ib libavutil 55. 43.100 / 55. 43.100 libavcodec 57. 70.100 / 57. 70.100 libavformat 57. 61.100 / 57. 61.100 libavdevice 57. 2.100 / 57. 2.100 libavfilter 6. 68.100 / 6. 68.100 libswscale 4. 3.101 / 4. 3.101 libswresample 2. 4.100 / 2. 4.100 libpostproc 54. 2.100 / 54. 2.100 [dshow @ 000000000043a940] DirectShow video device options (from video devices) [dshow @ 000000000043a940] Pin "Capture" (alternative pin name "1") [dshow @ 000000000043a940] pixel_format=bgr0 min s=1x1 fps=0.02 max s=1366x768 fps=30 [dshow @ 000000000043a940] pixel_format=bgr0 min s=1x1 fps=0.02 max s=1366x768 fps=30 [dshow @ 000000000043a940] pixel_format=bgr24 min s=1x1 fps=0.02 max s=1366x768 fps=30 [dshow @ 000000000043a940] pixel_format=rgb555le min s=1x1 fps=0.02 max s=1366x768 fps=30 [dshow @ 000000000043a940] pixel_format=rgb555le min s=1x1 fps=0.02 max s=1366x768 fps=30 [dshow @ 000000000043a940] pixel_format=rgb8 min s=1x1 fps=0.02 max s=1366x768 fps=30 [dshow @ 000000000043a940] pixel_format=yuv420p min s=1x1 fps=0.02 max s=1366x768 fps=30 leaving aero onvideo=screen-capture-recorder: Immediate exit requested Anyone know what could be the problem? Thanks in advance! Tim _______________________________________________ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".