[FFmpeg-soc] [soc] libavsequencer [PATCH 01/08] Music module public API header file.

[Sebastian Vater]

Ronald S. Bultje a écrit :
> Hi,
>
> On Tue, Jul 13, 2010 at 6:04 AM, Vitor Sessak <vitor1001 at gmail.com> wrote:
>   
>> On 07/07/2010 10:46 PM, Sebastian Vater wrote:
>>     
>>>    /** Duration of the module, in AV_TIME_BASE fractional
>>>       seconds. This is the total sum of all sub-song durations
>>>       this module contains.  */
>>>    uint64_t duration;
>>>       
>> Is this ever written in the files or is it calculated by the player? If the
>> later, it does not belong to the BSS.
>>     
>
> Either way this belongs in AVFormatContext and the demuxer.
>   

Don't forget that the composer can edit this value in case if ever
needed. TuComposer has a synth-sound assember which should be a turing
machine making it impossible under certain situations to calculate
playback time correctly, so the user can edit and adjust that manually.

Also some formats don't have even something close like a clear song-end
detection. In that case, the user can add it manually. That's the
purpose of this field.

-- 

Best regards,
                   :-) Basty/CDGS (-: