[Ffmpeg-devel] [PATCH] flv adpcm encoder

[Benjamin Larsson]

Baptiste Coudurier skrev:
> Hi
>
> Benjamin Larsson wrote:
>   
>> Jeff Clagg wrote:
>>     
>>> On Sun, Mar 04, 2007 at 10:51:50PM +0100, Benjamin Larsson wrote:
>>>       
>>>> Hi, this is an almost working by the specs adpcm encoder for flv and swf
>>>> files. I think the reason it isn't work so well is because of the muxing
>>>> and not the encoding. If the muxing isn't fixed there is not much reason
>>>> for this patch to be applied.
>>>>         
>>> I'm very impressed by how small and elegant the code is.
>>>       
>> Thanks.
>>
>> Anyway, here is an updated less elegant version.
>>
>>     
>
>   
>> +        }
>> +
>> +        for (i=0 ; i<4096 ; i++) {
>>     
>
> Is there a way to take enc->frame_size into account ? It would be much
> simpler to mux adpcm in flv/swf, and require enc->frame_size to be set,
> or compute it:
>
> frame_size = (sample_rate*video_rate.num ) / video_rate.den;
>   

Well if the init of frame_size to 4096 is removed then it should be 
possible to use frame_size from the muxer.

MvH
Benjamin Larsson