Function rsmpeg::ffi::av_fifo_realloc2

pub unsafe extern "C" fn av_fifo_realloc2(
    f: *mut AVFifoBuffer, 
    size: u32
) -> i32

Resize an AVFifoBuffer. In case of reallocation failure, the old FIFO is kept unchanged.

@param f AVFifoBuffer to resize @param size new AVFifoBuffer size in bytes @return <0 for failure, >=0 otherwise