Yes, transcode detects ntsc framerates wrong sometimes. I believe it is also
mentioned in the framerate tooltip in the framerate selection menu of the
transcode tab in dvd::rip, altough that program has little to do with it in
this case. But it seems to be a known transcode problem indeed.
On 8/24/07, Richi Plana <[EMAIL PROTECTED]> wrote:
>
> Hi,
>
> I'm working on a couple of NTSC DVDs, and even with the latest version
> of transcode (ver. 1.0.3), I'm getting conflicting framerate readings
> from tcprobe.
>
> When I run tcprobe on the DVD ("tcprobe -H 100 -i /dev/dvd"), I get the
> following:
>
> [tcprobe] summary for /dev/dvd, (*) = not default, 0 = not detected
> import frame size: -g 720x480 [720x576] (*)
> aspect ratio: 16:9 (*)
> frame rate: -f 23.976 [25.000] frc=1 (*)
> audio track: -a 0 [0] -e 48000,16,2 [48000,16,2] -n 0x2000
> [0x2000]
> audio track: -a 1 [0] -e 48000,16,2 [48000,16,2] -n 0x2000
> [0x2000]
> audio track: -a 2 [0] -e 48000,16,2 [48000,16,2] -n 0x2000
> [0x2000]
>
> Even after using tccat and running tcprobe on the mpegpes video, tcprobe
> still reports a framerate of 23.976.
>
> However, when I use transcode, and pass it "-f 23.976,1" or even "-f
> 24,1" or "-f 24,2", it is unable to convert the video. mplayer, on the
> other hand, reports a framerate of 29.970 reading from both the DVD and
> from the tccat'd MPEG file. mplayer output:
>
> MPEG-PS file format detected.
> VIDEO: MPEG2 720x480 (aspect 3) 29.970 fps 7500.0 kbps (937.5
> kbyte/s)
> ==========================================================================
> Opening video decoder: [mpegpes] MPEG 1/2 Video passthrough
> VDec: vo config request - 720 x 480 (preferred colorspace: Mpeg PES)
> Could not find matching colorspace - retrying with -vf scale...
> Opening video filter: [scale]
> The selected video_out device is incompatible with this codec.
> Try appending the scale filter to your filter list,
> e.g. -vf spp,scale instead of -vf spp.
> VDecoder init failed :(
> Opening video decoder: [libmpeg2] MPEG 1/2 Video decoder
> libmpeg2-v0.4.0b
> Selected video codec: [mpeg12] vfm: libmpeg2 (MPEG-1 or 2 (libmpeg2))
> ==========================================================================
> ==========================================================================
> Opening audio decoder: [liba52] AC3 decoding with liba52
> Using SSE optimized IMDCT transform
> Using MMX optimized resampler
> AUDIO: 48000 Hz, 2 ch, s16le, 448.0 kbit/29.17% (ratio: 56000->192000)
> Selected audio codec: [a52] afm: liba52 (AC3-liba52)
> ==========================================================================
>
> when I use "-f 29.970" or "-f 29.970,4" with transcode, the input is
> converted properly.
>
> Is this a bug in transcode? If so, what can I / we do to fix it?
> --
>
> Richi
>
>
