[theora] 3gp to theora problems again

dos386 dos386 at gmail.com
Thu Feb 17 21:27:07 PST 2011


> If you can make the original file available for testing

it is: http://startx.plentyfact.org/media/theorastuff/test.3gp (3.5 MiB)

> "ffmpeg -i" showed it correctly.
> In some formats, the container and the video track both have a frame
> rate header. If they disagree, it can be hard to know which one to believe.

MediaInfo wrote:


Format                   : MPEG-4
Format profile           : 3GPP Media Release 4
Codec ID                 : 3gp4
File size                : 3.35 MiB
Duration                 : 9s 437ms
Overall bit rate         : 2 978 Kbps
Law rating               : (empty)
Released date            : 0
Encoded date             : UTC 2011-01-29 15:22:10
Tagged date              : UTC 2011-01-29 15:22:10
Classification           : (empty)

Video
ID                       : 1
Format                   : MPEG-4 Visual
Format profile           : Simple at L6
Format settings, BVOP    : Yes
Format settings, QPel    : No
Format settings, GMC     : No warppoints
Format settings, Matrix  : Default (H.263)
Codec ID                 : 20
Duration                 : 9s 437ms
Bit rate mode            : Constant
Bit rate                 : 3 000 Kbps
Width                    : 800 pixels
Height                   : 480 pixels
Display aspect ratio     : 1.667
Frame rate mode          : Variable
Frame rate               : 23.948 fps !!!!!!
Minimum frame rate       : 5.780 fps
Maximum frame rate       : 40.000 fps
Color space              : YUV
Bit depth                : 8 bits
Scan type                : Progressive
Compression mode         : Lossy
Bits/(Pixel*Frame)       : 0.326
Stream size              : 3.33 MiB (99%)
Language                 : English
Encoded date             : UTC 2011-01-29 15:22:10
Tagged date              : UTC 2011-01-29 15:22:10

Audio
ID                       : 2
Format                   : AMR
Format/Info              : Adaptive Multi-Rate
Format profile           : Narrow band
Codec ID                 : samr
Duration                 : 9s 340ms
Bit rate mode            : Constant
Bit rate                 : 12.8 Kbps
Channel(s)               : 1 channel
Sampling rate            : 8 000 Hz
Bit depth                : 13 bits
Stream size              : 14.6 KiB (0%)
Writing library          : pvmm
Language                 : English
Encoded date             : UTC 2011-01-29 15:22:10
Tagged date              : UTC 2011-01-29 15:22:10


-- 
~~~ wow ~~~


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