Hi,
I'm trying to understand avcodec_decode_video.
In particular I'd like to know if I can store the filled frame in a
queue and decode further frames.
For example can I do something like this:
AVFrame *pFrame;
int frameFinished;
pFrame = avcodec_alloc_frame();
for(...) {
avcodec_decode_video(codec, pFrame, &frameFinished, data, size);
if(frameFinished)
store_the_frame_ptr_for_later_use(pFrame);
pFrame = avcodec_alloc_frame();
}
}
I ask because avcodec_alloc_frame() just allocates the struct but not
the data array. So avcodec_decode_video has to allocate the memory. Is
that allocation done from a static buffer, which would mean I have to
copy the frame?
If its an internal buffer, is there some way to quarantee for example,
that I can store at least n AVFrames until the first one gets overwritten?
Thanks a lot
Stefan Klug
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