On 26/09/15 14:14, MrNice wrote: > Attention to Carl Eugen > and other experts, > > I did lot of tests and answered your last question. > I didn't get any feedback so far, maybe you missed them. > I need to go further in my project but I don't know what to do now to > avoid the errors. > > Thank you to have a look and advice. >
More tests: So far I used the CL: ./ffmpeg -debug 1 -xerror -f pulse -ar 44100 -ac 2 -channel_layout stereo -thread_queue_size 512 -itsoffset -0.20 -i alsa_input.pci-0000_00_14.2.analog-stereo -f v4l2 -ts mono2abs -channel 1 -video_size 720x576 -pix_fmt yuyv422 -thread_queue_size 512 -i /dev/video0 -vf drawbox=0:0:3:576:black@1:t=max,drawbox=718:0:3:576:black@1:t=max,drawbox=0:0:720:3:black@1:t=max,drawbox=0:564:720:12:black@1:t=max -c:v ffv1 -level 3 -g 1 -aspect 4:3 -pix_fmt yuv422p -c:a pcm_s16le /Store3/Test/t_`date +%Y%m%d_%H%M`.mkv -aspect 4:3 -f sdl "Dazzle output" I get errors, ie: 8133 input video packets (around 5 minutes) and drop=4 [matroska @ 0x3910d80] Writing block at offset 2449025254, size 53920, pts 325664, dts 325664, duration 306, keyframe 1 [matroska @ 0x3910d80] end duration = 325970 [matroska @ 0x3910d80] stream 0 end duration = 325600 [matroska @ 0x3910d80] stream 1 end duration = 325970 frame= 8129 fps= 25 q=-0.0 Lq=-0.0 size= 2391845kB time=00:05:25.76 bitrate=60146.9kbits/s dup=0 drop=4 video:8923049kB audio:56154kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: unknown Input file #0 (alsa_input.pci-0000_00_14.2.analog-stereo): Input stream #0:0 (audio): 1173 packets read (57501184 bytes); 1173 frames decoded (14375296 samples); Total: 1173 packets (57501184 bytes) demuxed Input file #1 (/dev/video0): Input stream #1:0 (video): 8133 packets read (6745835520 bytes); 8133 frames decoded; Total: 8133 packets (6745835520 bytes) demuxed Output file #0 (/Store3/Test/t_20150927_0925.mkv): Output stream #0:0 (video): 8129 frames encoded; 8129 packets muxed (2391366165 bytes); Output stream #0:1 (audio): 1173 frames encoded (14375296 samples); 1173 packets muxed (57501184 bytes); Total: 9302 packets (2448867349 bytes) muxed Output file #1 (Dazzle output): Output stream #1:0 (video): 8133 frames encoded; 8133 packets muxed (6745835520 bytes); Total: 8133 packets (6745835520 bytes) muxed 9306 frames successfully decoded, 0 decoding errors [AVIOContext @ 0x391da40] Statistics: 48794 seeks, 111065 writeouts Conversion failed! When I write video first in the CL: ./ffmpeg -debug 1 -xerror -f v4l2 -ts mono2abs -channel 1 -video_size 720x576 -pix_fmt yuyv422 -thread_queue_size 512 -i /dev/video0 -f pulse -ar 44100 -ac 2 -channel_layout stereo -thread_queue_size 512 -itsoffset -0.20 -i alsa_input.pci-0000_00_14.2.analog-stereo -vf drawbox=0:0:3:576:black@1:t=max,drawbox=718:0:3:576:black@1:t=max,drawbox=0:0:720:3:black@1:t=max,drawbox=0:564:720:12:black@1:t=max -c:v ffv1 -level 3 -g 1 -aspect 4:3 -pix_fmt yuv422p -c:a pcm_s16le /Store3/Test/t_`date +%Y%m%d_%H%M`.mkv -aspect 4:3 -f sdl "Dazzle output" I get errors, ie: 97 input video packets (around 5 seconds)) and drop=13 [matroska @ 0x2360ce0] Writing block at offset 19532162, size 65472, pts 4059, dts 4059, duration 371, keyframe 1 [matroska @ 0x2360ce0] end duration = 4430 [matroska @ 0x2360ce0] stream 0 end duration = 4080 [matroska @ 0x2360ce0] stream 1 end duration = 4430 frame= 84 fps= 17 q=-0.0 Lq=-0.0 size= 19140kB time=00:00:04.23 bitrate=37067.2kbits/s dup=0 drop=13 video:96942kB audio:763kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: unknown Input file #0 (/dev/video0): Input stream #0:0 (video): 97 packets read (80455680 bytes); 97 frames decoded; Total: 97 packets (80455680 bytes) demuxed Input file #1 (alsa_input.pci-0000_00_14.2.analog-stereo): Input stream #1:0 (audio): 15 packets read (781464 bytes); 15 frames decoded (195366 samples); Total: 15 packets (781464 bytes) demuxed Output file #0 (/Store3/Test/t_20150927_0933.mkv): Output stream #0:0 (video): 84 frames encoded; 84 packets muxed (18813101 bytes); Output stream #0:1 (audio): 15 frames encoded (195366 samples); 15 packets muxed (781464 bytes); Total: 99 packets (19594565 bytes) muxed Output file #1 (Dazzle output): Output stream #1:0 (video): 97 frames encoded; 97 packets muxed (80455680 bytes); Total: 97 packets (80455680 bytes) muxed 112 frames successfully decoded, 0 decoding errors [AVIOContext @ 0x2375b60] Statistics: 524 seeks, 968 writeouts Conversion failed! Video first leads to a lot more errors and dropped frames. BTW, 1 week ago, I opened a bug, so far no answer https://trac.ffmpeg.org/ticket/4869#no1 _______________________________________________ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user