[Ffmpeg-devel] truncated audio output

Måns Rullgård mru
Mon Jun 19 11:48:37 CEST 2006

Michael Niedermayer said:
> Hi
> On Mon, Jun 19, 2006 at 10:01:36AM +0100, M?ns Rullg?rd wrote:
>> Michael Niedermayer said:
>> > Hi
>> >
>> > On Mon, Jun 19, 2006 at 12:11:26AM -0400, Justin Ruggles wrote:
>> >> After re-reading my post, I figured that my idea might be better
>> >> explained by a patch.  Here is what it would look like if I modified the
>> >> pcm encoder to use my suggestion instead of frame_size=1, which is what
>> >> is used currently.
>> >
>> > i agree that a CODEC_CAP_VAR_FRAME_SIZE needs to be added ...
>> Couldn't a frame_size of 0 be used to signal this?  Permitting a partial
>> last frame is also useful with some codecs.
> but what frame size would then be used for the previous frames?
> a codec might not support arbitrary large ones or might not allow non fixed
> except for the last

That would require a new flag.

> if all codecs which support arbitrary small last frames also support
> arbitrary large frames anywhere then of coarse frame_size=0 would be
> enough and iam fine with that too ...

That's the case I meant frame_size=0 would be used for.

Whatever solution we pick, it has to be able to handle both partial final
frame and true variable frame size.

M?ns Rullg?rd
mru at inprovide.com

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