dvdauthor generates corrupted VOBs?
Yuri Lukyanov <[email protected]>
| Newsgroups | gmane.comp.multimedia.dvdauthor.user |
|---|---|
| Message-ID | <[email protected]> |
Hello,
I've been trying to make a regular DVD file structure using dvdauthor for
about 1 week and I've still not having any success.
The thing is that dvdauthor makes currupted VOBs started from VTS_01_2.VOB.
What I'm doing:
1) mplex -f 8 -o output.mpg intput.m2v input.m2a
2) dvdauthor -o dvd -t output.mpg
3) dvdauthor -o dvd -T
The result is very strange.
VTS_01_1.VOB looks like a normal VOB file and is played by any software
players.
VTS_01_2.VOB seems corrupted and software players don't play it at all.
The same bad situation with the rest VOBs.
Here's mediainfo on VTS_01_1.VOB:
General
Complete name : dvd/VIDEO_TS/VTS_01_1.VOB
Format : MPEG-PS
File size : 1 024 MiB
Duration : 15mn 16s
Overall bit rate : 9 372 Kbps
Video
ID : 224 (0xE0)
Format : MPEG Video
Format version : Version 2
Format profile : Main@Main
Format settings, BVOP : Yes
Format settings, Matrix : Default
Duration : 15mn 16s
Bit rate mode : Constant
Bit rate : 9 000 Kbps
Width : 720 pixels
Height : 576 pixels
Display aspect ratio : 16:9
Frame rate : 25.000 fps
Standard : PAL
Color space : YUV
Chroma subsampling : 4:2:0
Bit depth : 8 bits
Scan type : Interlaced
Scan order : Top Field First
Bits/(Pixel*Frame) : 0.868
Stream size : 979 MiB (96%)
Audio
ID : 192 (0xC0)
Format : MPEG Audio
Format version : Version 1
Format profile : Layer 2
Duration : 15mn 16s
Bit rate mode : Constant
Bit rate : 224 Kbps
Channel(s) : 2 channels
Sampling rate : 48.0 KHz
Stream size : 24.5 MiB (2%)
Menu
And mediainfo on VTS_01_2.VOB (look at the video section):
General
Complete name : dvd/VIDEO_TS/VTS_01_2.VOB
Format : MPEG-PS
File size : 1 024 MiB
Duration : 15mn 16s
Overall bit rate : 9 372 Kbps
Video
ID : 224 (0xE0)
Duration : 15mn 16s
Bit rate : 8 962 Kbps
Stream size : 979 MiB (96%)
Audio
ID : 192 (0xC0)
Format : MPEG Audio
Format version : Version 1
Format profile : Layer 2
Duration : 15mn 16s
Bit rate mode : Constant
Bit rate : 224 Kbps
Channel(s) : 2 channels
Sampling rate : 48.0 KHz
Video delay : -560ms
Stream size : 24.5 MiB (2%)
Menu
So the video stream looks very strange in the second case, like an empty
stream or something.
I was trying dvdauthor-0.6.14 and dvdauthor-0.6.18 on my Ubuntu 10.4. No
differences.
Finally, I decided to look into the source code.
I made some trick to investiage possible reasons of the problem.
Here's src/dvdvob.c, around the line 1132:
...
while(1)
{
if (fsect == 524272)
{
/* VOB file reached maximum allowed size */
...
I changed the code above this way:
...
while(1)
{
if (0)
{
/* VOB file reached maximum allowed size */
...
So I forced dvdauthor to make only one VOB file.
Curiously enough, the file was totally OK, a regular VOB except the size
(more than 1 Gb).
With that said, I suppose that there's some bug in switching to another file
while generating VOBs.
Please, help :)
Just in case, I'm providing you with media info of my input files.
input.m2v:
General
Complete name : input.m2v
Format : MPEG Video
Format version : Version 2
File size : 2.79 GiB
Duration : 44mn 20s
Overall bit rate : 9 000 Kbps
Video
Format : MPEG Video
Format version : Version 2
Format profile : Main@Main
Format settings, BVOP : Yes
Format settings, Matrix : Default
Duration : 44mn 20s
Bit rate mode : Constant
Bit rate : 9 000 Kbps
Width : 720 pixels
Height : 576 pixels
Display aspect ratio : 16:9
Frame rate : 25.000 fps
Standard : PAL
Color space : YUV
Chroma subsampling : 4:2:0
Bit depth : 8 bits
Scan type : Interlaced
Scan order : Top Field First
Bits/(Pixel*Frame) : 0.868
Stream size : 2.67 GiB (96%)
input.m2a:
General
Complete name : input.m2a
Format : MPEG Audio
File size : 71.0 MiB
Duration : 44mn 20s
Overall bit rate : 224 Kbps
Audio
Format : MPEG Audio
Format version : Version 1
Format profile : Layer 2
Duration : 44mn 20s
Bit rate mode : Constant
Bit rate : 224 Kbps
Channel(s) : 2 channels
Sampling rate : 48.0 KHz
Stream size : 71.0 MiB (100%)
Thank you.
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