On 12 Oct 2015, at 19:20, Maxim Kozlov <[email protected]> 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 > [email protected] > http://ffmpeg.org/mailman/listinfo/ffmpeg-user
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