[FFmpeg-devel] [PATCH 3/3] mov: support timecode extraction.

[Baptiste Coudurier]

On 1/2/12 4:23 PM, Clément Bœsch wrote:
> From: Clément Bœsch <clement.boesch at smartjog.com>
> 
> ---
> I'm really not sure about this one. All the samples I have store the timecode
> in "frame number" format. But all of them have the Counter flag unset.
> Unfortunately, the specs[1] stats (p160+):
> 
>     If the Counter flag is set to 1 in the timecode sample description, the
>     sample data is an unsigned 32-bit integer. The timecode counter value is
>     determined by dividing this unsigned 32-bit integer by the number of frames
>     field in the timecode sample description.
> 
>     If the Counter flag is set to 0 in the timecode sample description, the
>     sample data format is a signed 32-bit integer and is used to calculate a
>     timecode record, defined as follows.
> 
>     [...]
> 
> So basically, I understand it as: cf=1 → frame number format, cf=0 → qt format.
> 
> Also, I can't find a sample with a timecode stored in quicktime format (where
> counter flag should be set to 0).

Just remove that code and display a message. It's not needed yet.

[...]

-- 
Baptiste COUDURIER
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