[Ffmpeg-devel] Modding ffmpeg to add fade-in/out and sound looping

[Baptiste Coudurier]

Hi

Michel Bardiaux wrote:
> Joel Reymont wrote:
>> Folks,
>>
>> I need to mod ffmpeg to be able to overlay several sound samples along
>> the length of a video composed of a number of picture frames.
>>
>> I could not figure out if ffmpeg is able to build a 24fps movie out
>> of, say, one jpeg by repeating it 24 times a second. I believe this
>> requires creating several thousand symlinks or copies of my jpeg for a
>> movie of several minutes.
> 
> Yes, ffmpeg can do that (you need TWO copies of the JPEG; I was never
> able to do it with only one).
> 

Humm, works well here: ffmpeg -loop_input -f image2 -i file.jpg test.mpg

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