[FFmpeg-user] Quicksync Ubuntu
Henk D. Schoneveld
belcampo at zonnet.nl
Mon Oct 12 19:37:30 CEST 2015
On 12 Oct 2015, at 19:20, Maxim Kozlov <rogat1y at gmail.com> wrote:
> Can anybody explain what can be wrong?
> when i start ffmpeg to convert one mpegts input to two 720p rtmp outputs in
> one copy of ffmpeg - it converts maximum 22 fps.
>
> $ ffmpeg -v verbose -rtbufsize 2G -fpsprobesize 150 -re -fflags +genpts -i
> udp://
> 236.0.0.1:10001?fifo_size=33554432&buffer_size=33554432&overrun_nonfatal=1&reuse=1
> -threads 1 -vcodec h264_qsv -pix_fmt nv12 -aspect 16:9 -s 1280x720
Try with removing the -threads 1 option, you don’t use it on the other 2 independent ffmpeg commands, so why here ?
> -profile:v main -preset:v veryfast -level:v 31 -b:v 4000k -r 25 -g 100
> -minrate:v 4000k -maxrate:v 4000k -bufsize:v 4000k -map 0:v -map 0:a
> -flags:a +global_header -flags:v +global_header -acodec libvo_aacenc -ac 2
> -ab 128k -ar 44100 -fflags +genpts -f flv rtmp://wowza/live/nuc_720
> -threads 1 -vcodec h264_qsv -pix_fmt nv12 -aspect 16:9 -s 1280x720
> -profile:v main -preset:v veryfast -level:v 31 -b:v 4000k -r 25 -g 100
> -minrate:v 4000k -maxrate:v 4000k -bufsize:v 4000k -map 0:v -map 0:a
> -flags:a +global_header -flags:v +global_header -acodec libvo_aacenc -ac 2
> -ab 128k -ar 44100 -fflags +genpts -f flv rtmp://wowza/live/nuc_7201
>
> ffmpeg version N-75640-ged18c49 Copyright (c) 2000-2015 the FFmpeg
> developers
> built with gcc 4.6 (Ubuntu/Linaro 4.6.3-1ubuntu5)
> configuration: --disable-shared --enable-static --enable-gpl
> --enable-nonfree --enable-fontconfig --enable-libfaac --enable-libfreetype
> --enable-libmp3lame --enable-librtmp --enable-libvo-aacenc --enable-libx264
> --enable-version3 --enable-ffplay --disable-doc --disable-ffserver
> --enable-pthreads --enable-filters --enable-libvorbis --enable-libtheora
> --enable-runtime-cpudetect --enable-libass --enable-bzlib --enable-zlib
> --prefix=/opt/ffmpeg_qsv/ --enable-libmfx
> libavutil 55. 2.100 / 55. 2.100
> libavcodec 57. 3.100 / 57. 3.100
> libavformat 57. 2.100 / 57. 2.100
> libavdevice 57. 0.100 / 57. 0.100
> libavfilter 6. 9.100 / 6. 9.100
> libswscale 4. 0.100 / 4. 0.100
> libswresample 2. 0.100 / 2. 0.100
> libpostproc 54. 0.100 / 54. 0.100
> [mpeg2video @ 0x2239ba0] Invalid frame dimensions 0x0.
> Last message repeated 2 times
> Input #0, mpegts, from 'udp://
> 236.0.0.1:10001?fifo_size=33554432&buffer_size=33554432&overrun_nonfatal=1&reuse=1
> ':
> Duration: N/A, start: 28.013789, bitrate: N/A
> Program 1
> Metadata:
> service_name : Service01
> service_provider: FFmpeg
> Stream #0:0[0x100]: Video: mpeg2video (4:2:2) ([2][0][0][0] / 0x0002),
> yuv422p(tv), 1920x1080 [SAR 1:1 DAR 16:9], max. 104857 kb/s, 25 fps, 25
> tbr, 90k tbn, 50 tbc
> Stream #0:1[0x101]: Audio: aac (LC) ([15][0][0][0] / 0x000F), 44100 Hz,
> stereo, fltp, 319 kb/s
> libva info: VA-API version 0.35.0
> libva info: va_getDriverName() returns 0
> libva info: User requested driver 'iHD'
> libva info: Trying to open /opt/intel/mediasdk/lib64/iHD_drv_video.so
> libva info: Found init function __vaDriverInit_0_32
> libva info: va_openDriver() returns 0
> libva info: VA-API version 0.35.0
> libva info: va_getDriverName() returns 0
> libva info: User requested driver 'iHD'
> libva info: Trying to open /opt/intel/mediasdk/lib64/iHD_drv_video.so
> libva info: Found init function __vaDriverInit_0_32
> libva info: va_openDriver() returns 0
> Output #0, flv, to 'rtmp://wowza/live/nuc_720':
> Metadata:
> encoder : Lavf57.2.100
> Stream #0:0: Video: h264 (h264_qsv) ([7][0][0][0] / 0x0007), nv12,
> 1280x720 [SAR 1:1 DAR 16:9], q=2-31, 4000 kb/s, 25 fps, 1k tbn, 25 tbc
> Metadata:
> encoder : Lavc57.3.100 h264_qsv
> Stream #0:1: Audio: aac (libvo_aacenc) ([10][0][0][0] / 0x000A), 44100
> Hz, stereo, s16, 128 kb/s
> Metadata:
> encoder : Lavc57.3.100 libvo_aacenc
> Output #1, flv, to 'rtmp://wowza/live/nuc_7201':
> Metadata:
> encoder : Lavf57.2.100
> Stream #1:0: Video: h264 (h264_qsv) ([7][0][0][0] / 0x0007), nv12,
> 1280x720 [SAR 1:1 DAR 16:9], q=2-31, 4000 kb/s, 25 fps, 1k tbn, 25 tbc
> Metadata:
> encoder : Lavc57.3.100 h264_qsv
> Stream #1:1: Audio: aac (libvo_aacenc) ([10][0][0][0] / 0x000A), 44100
> Hz, stereo, s16, 128 kb/s
> Metadata:
> encoder : Lavc57.3.100 libvo_aacenc
> Stream mapping:
> Stream #0:0 -> #0:0 (mpeg2video (native) -> h264 (h264_qsv))
> Stream #0:1 -> #0:1 (aac (native) -> aac (libvo_aacenc))
> Stream #0:0 -> #1:0 (mpeg2video (native) -> h264 (h264_qsv))
> Stream #0:1 -> #1:1 (aac (native) -> aac (libvo_aacenc))
> Press [q] to stop, [?] for help
> [flv @ 0x255f7c0] Failed to update header with correct duration.95
> bitrate=4433.0kbits/s
> [flv @ 0x255f7c0] Failed to update header with correct filesize.
> [flv @ 0x24ecde0] Failed to update header with correct duration.
> [flv @ 0x24ecde0] Failed to update header with correct filesize.
> frame= 220 fps= 22 q=-0.0 Lq=-0.0 size= 4927kB time=00:00:09.06
> bitrate=4452.4kbits/s
> video:9547kB audio:285kB subtitle:0kB other streams:0kB global headers:0kB
> muxing overhead: unknown
> Exiting normally, received signal 2.
>
> But when i start 2 copies of ffmpeg:
>
> $ ffmpeg -v verbose -rtbufsize 2G -fpsprobesize 150 -re -fflags +genpts -i
> udp://
> 236.0.0.1:10001?fifo_size=33554432&buffer_size=33554432&overrun_nonfatal=1&reuse=1
> -threads 1 -vcodec h264_qsv -pix_fmt nv12 -aspect 16:9 -s 1280x720
> -profile:v main -preset:v veryfast -level:v 31 -b:v 4000k -r 25 -g 100
> -minrate:v 4000k -maxrate:v 4000k -bufsize:v 4000k -map 0:v -map 0:a
> -flags:a +global_header -flags:v +global_header -acodec libvo_aacenc -ac 2
> -ab 128k -ar 44100 -fflags +genpts -f flv rtmp://wowza/live/nuc_720 &
>
> $ ffmpeg -v verbose -rtbufsize 2G -fpsprobesize 150 -re -fflags +genpts -i
> udp://
> 236.0.0.1:10001?fifo_size=33554432&buffer_size=33554432&overrun_nonfatal=1&reuse=1
> -threads 1 -vcodec h264_qsv -pix_fmt nv12 -aspect 16:9 -s 1280x720
> -profile:v main -preset:v veryfast -level:v 31 -b:v 4000k -r 25 -g 100
> -minrate:v 4000k -maxrate:v 4000k -bufsize:v 4000k -map 0:v -map 0:a
> -flags:a +global_header -flags:v +global_header -acodec libvo_aacenc -ac 2
> -ab 128k -ar 44100 -fflags +genpts -f flv rtmp://wowza/live/nuc_7201 &
>
> every copy of ffmpeg encodes 25 fps.
>
>>> Please do not top-post here; if you do not know what it means, look it
> up.
> Okay.
> _______________________________________________
> ffmpeg-user mailing list
> ffmpeg-user at ffmpeg.org
> http://ffmpeg.org/mailman/listinfo/ffmpeg-user
More information about the ffmpeg-user
mailing list