Hello,
On 12/30/2017 5:01 AM, Carl Eugen Hoyos wrote:
-vf framerate=24000/1001,telecine
Should have been: -vf fps=24000/1001,telecine
I have tried both of those, but there was no discernible difference or
improvement in the output a/v sync. (Do they interact with the "-r
ntsc-film" before the input file?)
(only ran this long enough to produce a couple minutes of output)
cpz@video-proc-0:/mnt/videofiles % ffmpeg -hide_banner -r ntsc-film -i
INFILE.vob -vf fps=24000/1001,telecine -async 1 -dc 9 -target ntsc-dvd
-flags +ilme+ildct -alternate_scan 1 -top 0 OUTFILE.mpg
Input #0, mpeg, from 'INFILE.vob':
Duration: 01:55:53.25, start: 0.084000, bitrate: 5061 kb/s
Stream #0:0[0x1bf]: Data: dvd_nav_packet
Stream #0:1[0x1e0]: Video: mpeg2video (Main), yuv420p(tv, bt470bg, top
first), 720x480 [SAR 8:9 DAR 4:3], 29.97 fps, 59.94 tbr, 90k tbn, 59.94 tbc
Stream #0:2[0x80]: Audio: ac3, 48000 Hz, stereo, fltp, 256 kb/s
File 'OUTFILE.mpg' already exists. Overwrite ? [y/N] y
Stream mapping:
Stream #0:1 -> #0:0 (mpeg2video (native) -> mpeg2video (native))
Stream #0:2 -> #0:1 (ac3 (native) -> ac3 (native))
Press [q] to stop, [?] for help
[Parsed_telecine_1 @ 0x80c23e9c0] Telecine pattern 23 yields up to 2 frames
per frame, pts advance factor: 4/5
-async is forwarded to lavfi similarly to -af
aresample=async=1:min_hard_comp=0.100000:first_pts=0.
Output #0, dvd, to 'OUTFILE.mpg':
Metadata:
encoder : Lavf57.71.100
Stream #0:0: Video: mpeg2video (Main), yuv420p, 720x480 [SAR 8:9 DAR
4:3], q=2-31, 6000 kb/s, 29.97 fps, 90k tbn, 29.97 tbc
Metadata:
encoder : Lavc57.89.100 mpeg2video
Side data:
cpb: bitrate max/min/avg: 9000000/0/6000000 buffer size: 1835008
vbv_delay: -1
Stream #0:1: Audio: ac3, 48000 Hz, stereo, fltp, 448 kb/s
Metadata:
encoder : Lavc57.89.100 ac3
frame= 5352 fps=462 q=2.0 Lsize= 107994kB time=00:02:58.51
bitrate=4955.9kbits/s speed=15.4x
video:96191kB audio:9567kB subtitle:0kB other streams:0kB global headers:0kB
muxing overhead: 2.114477%
Exiting normally, received signal 2.
cpz@video-proc-0:/mnt/videofiles%
Other that dumping the packet headers to a large text file, are there any
tools for looking at the PTS? While I'd like to solve the problem and get
the content processed, I'd also like to understand what's going on.
Later,
z!
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