rdp
commented
5 years ago Might be limitation of your output or something weird like that (the capture itself might be limiting/limited... it's trying to do 60 fps but doesn't seem to be able to...)
On Fri, Aug 2, 2019 at 8:36 AM steven-allstar-gg notifications@github.com wrote:
I'm capturing a screen and seems to be limited to 30 fps, I've already configured to use 60 fps but then it just starts duplicating every other frame. You can see my settings and output of ffmpeg showing frame=601 and dup=277. Ran the benchmarks and my minimum capture was 77fps, average about 120fps.
capture_height= capture_width= start_x= start_y= default_max_fps=60 stretch_to_width= stretch_to_height= stretch_mode_high_quality_if_1= hwnd_to_track= disable_aero_for_vista_plus_if_1= track_new_x_y_coords_each_frame_if_1= capture_mouse_default_1= capture_foreground_window_if_1= dedup_if_1= millis_to_sleep_between_poll_for_dedupe_changes=
capture_transparent_windows_including_mouse_in_non_aero_if_1_causes_annoying_mouse_flicker= hwnd_to_track_with_window_decoration=
D:\ffmpeg\bin\ffmpeg.exe -f dshow -i audio="virtual-audio-capturer":video="screen-capture-recorder" -c:v libx264 -crf 23 -preset ultrafast -t 10 D:\output\output.mp4 ffmpeg version 4.1.3 Copyright (c) 2000-2019 the FFmpeg developers built with gcc 8.3.1 (GCC) 20190414 configuration: --enable-gpl --enable-version3 --enable-sdl2 --enable-fontconfig --enable-gnutls --enable-iconv --enable-libass --enable-libbluray --enable-libfreetype --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libtheora --enable-libtwolame --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2 --enable-libzimg --enable-lzma --enable-zlib --enable-gmp --enable-libvidstab --enable-libvorbis --enable-libvo-amrwbenc --enable-libmysofa --enable-libspeex --enable-libxvid --enable-libaom --enable-libmfx --enable-amf --enable-ffnvcodec --enable-cuvid --enable-d3d11va --enable-nvenc --enable-nvdec --enable-dxva2 --enable-avisynth libavutil 56. 22.100 / 56. 22.100 libavcodec 58. 35.100 / 58. 35.100 libavformat 58. 20.100 / 58. 20.100 libavdevice 58. 5.100 / 58. 5.100 libavfilter 7. 40.101 / 7. 40.101 libswscale 5. 3.100 / 5. 3.100 libswresample 3. 3.100 / 3. 3.100 libpostproc 55. 3.100 / 55. 3.100 leaving aero onGuessed Channel Layout for Input Stream #0.1 : stereo Input #0, dshow, from 'audio=virtual-audio-capturer:video=screen-capture-recorder': Duration: N/A, start: 144285.694841, bitrate: 1411 kb/s Stream #0:0: Video: rawvideo, bgr0, 1680x1050, 60 fps, 60 tbr, 10000k tbn, 10000k tbc Stream #0:1: Audio: pcm_s16le, 44100 Hz, stereo, s16, 1411 kb/s [dshow @ 00000176d5069640] real-time buffer [screen-capture-recorder] [video input] too full or near too full (464% of size: 3041280 [rtbufsize parameter])! frame dropped! 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 [dshow @ 00000176d5069640] real-time buffer [screen-capture-recorder] [video input] too full or near too full (464% of size: 3041280 [rtbufsize parameter])! frame dropped! [libx264 @ 00000176d5075200] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX FMA3 BMI2 AVX2 [libx264 @ 00000176d5075200] profile High 4:4:4 Predictive, level 4.2, 4:4:4, 8-bit [libx264 @ 00000176d5075200] 264 - core 157 r2970 5493be8 - H.264/MPEG-4 AVC codec - Copyleft 2003-2019 - http://www.videolan.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=6 threads=12 lookahead_threads=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 'D:\output\output.mp4': Metadata: encoder : Lavf58.20.100 Stream #0:0: Video: h264 (libx264) (avc1 / 0x31637661), yuv444p, 1680x1050, q=-1--1, 60 fps, 5000k tbn, 60 tbc Metadata: encoder : Lavc58.35.100 libx264 Side data: cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: -1 Stream #0:1: Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 128 kb/s Metadata: encoder : Lavc58.35.100 aac [dshow @ 00000176d5069640] real-time buffer [screen-capture-recorder] [video input] too full or near too full (464% of size: 3041280 [rtbufsize parameter])! frame dropped! frame= 601 fps= 60 q=-1.0 Lsize= 2975kB time=00:00:10.00 bitrate=2434.7kbits/s dup=277 drop=0 speed= 1x video:2810kB audio:152kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.430039% [libx264 @ 00000176d5075200] frame I:3 Avg QP:15.33 size:653886 [libx264 @ 00000176d5075200] frame P:598 Avg QP:15.59 size: 1530 [libx264 @ 00000176d5075200] mb I I16..4: 100.0% 0.0% 0.0% [libx264 @ 00000176d5075200] mb P I16..4: 0.1% 0.0% 0.0% P16..4: 0.7% 0.0% 0.0% 0.0% 0.0% skip:99.2% [libx264 @ 00000176d5075200] coded y,u,v intra: 30.2% 29.0% 29.0% inter: 0.3% 0.2% 0.2% [libx264 @ 00000176d5075200] i16 v,h,dc,p: 74% 24% 1% 1% [libx264 @ 00000176d5075200] kb/s:2297.31 [dshow @ 00000176d5069640] real-time buffer [screen-capture-recorder] [video input] too full or near too full (464% of size: 3041280 [rtbufsize parameter])! frame dropped! [aac @ 00000176d507fa00] Qavg: 44148.844 Received stop event after 996 passes [dshow @ 00000176d5069640] real-time buffer [screen-capture-recorder] [video input] too full or near too full (464% of size: 3041280 [rtbufsize parameter])! frame dropped!
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LordHDL
steven-agg
I'm capturing a screen and seems to be limited to 30 fps, I've already configured to use 60 fps but then it just starts duplicating every other frame. You can see my settings and output of ffmpeg showing frame=601 and dup=277. Ran the benchmarks and my minimum capture was 77fps, average about 120fps.
capture_height= capture_width= start_x= start_y= default_max_fps=60 stretch_to_width= stretch_to_height= stretch_mode_high_quality_if_1= hwnd_to_track= disable_aero_for_vista_plus_if_1= track_new_x_y_coords_each_frame_if_1= capture_mouse_default_1= capture_foreground_window_if_1= dedup_if_1= millis_to_sleep_between_poll_for_dedupe_changes= capture_transparent_windows_including_mouse_in_non_aero_if_1_causes_annoying_mouse_flicker= hwnd_to_track_with_window_decoration=
D:\ffmpeg\bin\ffmpeg.exe -f dshow -i audio="virtual-audio-capturer":video="screen-capture-recorder" -c:v libx264 -crf 23 -preset ultrafast -t 10 D:\output\output.mp4 ffmpeg version 4.1.3 Copyright (c) 2000-2019 the FFmpeg developers built with gcc 8.3.1 (GCC) 20190414 configuration: --enable-gpl --enable-version3 --enable-sdl2 --enable-fontconfig --enable-gnutls --enable-iconv --enable-libass --enable-libbluray --enable-libfreetype --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libtheora --enable-libtwolame --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2 --enable-libzimg --enable-lzma --enable-zlib --enable-gmp --enable-libvidstab --enable-libvorbis --enable-libvo-amrwbenc --enable-libmysofa --enable-libspeex --enable-libxvid --enable-libaom --enable-libmfx --enable-amf --enable-ffnvcodec --enable-cuvid --enable-d3d11va --enable-nvenc --enable-nvdec --enable-dxva2 --enable-avisynth libavutil 56. 22.100 / 56. 22.100 libavcodec 58. 35.100 / 58. 35.100 libavformat 58. 20.100 / 58. 20.100 libavdevice 58. 5.100 / 58. 5.100 libavfilter 7. 40.101 / 7. 40.101 libswscale 5. 3.100 / 5. 3.100 libswresample 3. 3.100 / 3. 3.100 libpostproc 55. 3.100 / 55. 3.100 leaving aero onGuessed Channel Layout for Input Stream #0.1 : stereo Input #0, dshow, from 'audio=virtual-audio-capturer:video=screen-capture-recorder': Duration: N/A, start: 144285.694841, bitrate: 1411 kb/s Stream #0:0: Video: rawvideo, bgr0, 1680x1050, 60 fps, 60 tbr, 10000k tbn, 10000k tbc Stream #0:1: Audio: pcm_s16le, 44100 Hz, stereo, s16, 1411 kb/s [dshow @ 00000176d5069640] real-time buffer [screen-capture-recorder] [video input] too full or near too full (464% of size: 3041280 [rtbufsize parameter])! frame dropped! 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 [dshow @ 00000176d5069640] real-time buffer [screen-capture-recorder] [video input] too full or near too full (464% of size: 3041280 [rtbufsize parameter])! frame dropped! [libx264 @ 00000176d5075200] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX FMA3 BMI2 AVX2 [libx264 @ 00000176d5075200] profile High 4:4:4 Predictive, level 4.2, 4:4:4, 8-bit [libx264 @ 00000176d5075200] 264 - core 157 r2970 5493be8 - H.264/MPEG-4 AVC codec - Copyleft 2003-2019 - http://www.videolan.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=6 threads=12 lookahead_threads=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 'D:\output\output.mp4': Metadata: encoder : Lavf58.20.100 Stream #0:0: Video: h264 (libx264) (avc1 / 0x31637661), yuv444p, 1680x1050, q=-1--1, 60 fps, 5000k tbn, 60 tbc Metadata: encoder : Lavc58.35.100 libx264 Side data: cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: -1 Stream #0:1: Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 128 kb/s Metadata: encoder : Lavc58.35.100 aac [dshow @ 00000176d5069640] real-time buffer [screen-capture-recorder] [video input] too full or near too full (464% of size: 3041280 [rtbufsize parameter])! frame dropped! frame= 601 fps= 60 q=-1.0 Lsize= 2975kB time=00:00:10.00 bitrate=2434.7kbits/s dup=277 drop=0 speed= 1x video:2810kB audio:152kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.430039% [libx264 @ 00000176d5075200] frame I:3 Avg QP:15.33 size:653886 [libx264 @ 00000176d5075200] frame P:598 Avg QP:15.59 size: 1530 [libx264 @ 00000176d5075200] mb I I16..4: 100.0% 0.0% 0.0% [libx264 @ 00000176d5075200] mb P I16..4: 0.1% 0.0% 0.0% P16..4: 0.7% 0.0% 0.0% 0.0% 0.0% skip:99.2% [libx264 @ 00000176d5075200] coded y,u,v intra: 30.2% 29.0% 29.0% inter: 0.3% 0.2% 0.2% [libx264 @ 00000176d5075200] i16 v,h,dc,p: 74% 24% 1% 1% [libx264 @ 00000176d5075200] kb/s:2297.31 [dshow @ 00000176d5069640] real-time buffer [screen-capture-recorder] [video input] too full or near too full (464% of size: 3041280 [rtbufsize parameter])! frame dropped! [aac @ 00000176d507fa00] Qavg: 44148.844 Received stop event after 996 passes [dshow @ 00000176d5069640] real-time buffer [screen-capture-recorder] [video input] too full or near too full (464% of size: 3041280 [rtbufsize parameter])! frame dropped!