first thing that pops out is you have
> :scenecut=0 and it should be two dashes before scenenot a colon, a colon means there is an operator before not an option --scenecut <integer> > On Mar 3, 2016, at 19:31, fangzhen <[email protected]> wrote: > > Hi guys, > > Recently, I am doing some transcoding using ffmpeg. The input protocol is udp > and output is HLS. > The command line is the following: > ffmpeg -hide_banner -threads auto -y -xerror -itsoffset 0.5 -async 1 -i > udp://127.0.0.1:48882?overrun_nonfatal=1&buffer_size=100000000&fifo_size=100000000 > -map p:3801 -vf movie='/home/u > buntu/codec/logo/zb_67.tga',scale=279.0:69.0[logo];[in][logo]overlay=main_w-overlay_w-96.0:54.0[out] > -c:v libx264 -preset superfast -level:v 5.1 -s 1280x720 -r 25 -x264-params > keyint=50 :scenecut=0 -b:v 1072k -c:a libfdk_aac -profile:a aac_low -b:a > 128k -ac 2 -ar 44100 -hls_wrap 0 -hls_time 10 -hls_list_size 15 -hls_flags > round_durations -hls_segment_filename /home/ubu > ntu/codec/release/hlstemp/20160304104101-01-%d.ts -start_number 1457059261 > /home/ubuntu/codec/release/hlstemp/01.m3u8ยท > > However, when the transcoder runs some time later, the ouput frames are > abnormal, a lot of mosaic appears and sometimes the picture stalls for about > 5 seconds. > There are some logs of transcoder: > [Parsed_overlay_2 @ 0x1e16100] [framesync @ 0x1e161e8] Buffer queue overflow, > dropping. > [Parsed_overlay_2 @ 0x1ea9720] [framesync @ 0x1ea9868] Buffer queue overflow, > dropping. > [Parsed_overlay_2 @ 0x1e16100] [framesync @ 0x1e161e8] Buffer queue overflow, > dropping. > [Parsed_overlay_2 @ 0x1ea9720] [framesync @ 0x1ea9868] Buffer queue overflow, > dropping. > [Parsed_overlay_2 @ 0x1e16100] [framesync @ 0x1e161e8] Buffer queue overflow, > dropping. > [Parsed_overlay_2 @ 0x1ea9720] [framesync @ 0x1ea9868] Buffer queue overflow, > dropping. > ......... > [h264 @ 0x9b1f7e40] left block unavailable for requested intra4x4 mode -1 at > 0 6 > [h264 @ 0x9b1f7e40] error while decoding MB 0 6, bytestream 47923 > [h264 @ 0x9b1f7e40] concealing 7489 DC, 7489 AC, 7489 MV errors in I frame > [h264 @ 0x9adf6260] Reference 3 >= 2 > [h264 @ 0x9adf6260] error while decoding MB 10 8, bytestream 65855 > [h264 @ 0x9adf6260] concealing 7239 DC, 7239 AC, 7239 MV errors in P frame > [mpegts @ 0x3ad0880] PES packet size mismatch > [ac3 @ 0x3face00] exponent out-of-range > [ac3 @ 0x3face00] error decoding the audio block > [ac3 @ 0x3face00] frame sync error > > Can anyone help me to find out why? > > Thinks in advance > Felix Hu > > > > _______________________________________________ > ffmpeg-devel mailing list > [email protected] > http://ffmpeg.org/mailman/listinfo/ffmpeg-devel > _______________________________________________ > ffmpeg-user mailing list > [email protected] > http://ffmpeg.org/mailman/listinfo/ffmpeg-user _______________________________________________ ffmpeg-user mailing list [email protected] http://ffmpeg.org/mailman/listinfo/ffmpeg-user
