Hello , I m taking a raw video from a box using* HDMI TO SDI* convert using *Decklink quad 2 *card , the stream will work fine for an hour . But after an hour the audio video goes oout of sync .
*ffmpeg -async 1 -vsync 1 -f decklink -i 'DeckLink Quad (3)@11' -pix_fmt yuv420p -r 30 -s 1920x1080 -vf "yadif=0:-1:0" -c:v h264_nvenc -gpu 0 -b:v 4000k -c:a aac -filter:a "volume=4" -aspect 16:9 -ac 2 -f flv 'rtmp://admin:[email protected]:1935/nettv/SABHD.stream <http://admin:[email protected]:1935/nettv/SABHD.stream>' * and here is my log ffmpeg version 4.1 Copyright (c) 2000-2018 the FFmpeg developers built with gcc 5.4.0 (Ubuntu 5.4.0-6ubuntu1~16.04.10) 20160609 configuration: --prefix=/root/ffmpeg_build --pkg-config-flags=--static --extra-cflags=-I/root/ffmpeg_build/include --extra-ldflags=-L/root/ffmpeg_build/lib --extra-libs='-lpthread -lm' --bindir=/root/bin --enable-gpl --enable-libass --enable-libfdk-aac --enable-libfreetype --enable-libmp3lame --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libx265 --enable-decklink --extra-cflags=-I/usr/local/sdk/Linux/include/ --extra-ldflags=-L/usr/local/sdk/Linux/include/ --enable-nvenc --extra-cflags=-I../cudautils --extra-ldflags=-L../cudautils --enable-nonfree 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 [decklink @ 0x3e23300] The @mode syntax is deprecated and will be removed. Please use the -format_code option. [decklink @ 0x3e23300] Found Decklink mode 1920 x 1080 with rate 25.00(i) [decklink @ 0x3e23300] Frame received (#1) - No input signal detected - Frames dropped 1 Guessed Channel Layout for Input Stream #0.0 : stereo Input #0, decklink, from 'DeckLink Quad (3)@11': Duration: N/A, start: 0.000000, bitrate: 830976 kb/s Stream #0:0: Audio: pcm_s16le, 48000 Hz, stereo, s16, 1536 kb/s Stream #0:1: Video: rawvideo (UYVY / 0x59565955), uyvy422(top first), 1920x1080, 829440 kb/s, 25 tbr, 1000k tbn, 1000k tbc [rtmp @ 0x3e85200] Ignoring unsupported var reason Stream mapping: Stream #0:1 -> #0:0 (rawvideo (native) -> h264 (h264_nvenc)) Stream #0:0 -> #0:1 (pcm_s16le (native) -> aac (native)) Press [q] to stop, [?] for help [decklink @ 0x3e23300] Frame received (#11) - Input returned - Frames dropped 2 -async is forwarded to lavfi similarly to -af aresample=async=1:min_hard_comp=0.100000:first_pts=0. Output #0, flv, to 'rtmp:// admin:[email protected]:1935/test/SABHD.stream': Metadata: encoder : Lavf58.20.100 Stream #0:0: Video: h264 (h264_nvenc) (Main) ([7][0][0][0] / 0x0007), yuv420p, 1920x1080 [SAR 1:1 DAR 16:9], q=-1--1, 4000 kb/s, 30 fps, 1k tbn, 30 tbc Metadata: encoder : Lavc58.35.100 h264_nvenc Side data: cpb: bitrate max/min/avg: 0/0/4000000 buffer size: 8000000 vbv_delay: -1 Stream #0:1: Audio: aac (LC) ([10][0][0][0] / 0x000A), 48000 Hz, stereo, fltp, 128 kb/s Metadata: encoder : Lavc58.35.100 aac size= 23657kB time=00:00:44.82 bitrate=4323.8kbits/s dup=225 drop=0 speed= 1x _______________________________________________ ffmpeg-user mailing list [email protected] http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email [email protected] with subject "unsubscribe".
