Function avcodec_default_get_buffer2

pub unsafe extern "C" fn avcodec_default_get_buffer2(
    s: *mut AVCodecContext,
    frame: *mut AVFrame,
    flags: i32,
) -> i32

The default callback for AVCodecContext.get_buffer2(). It is made public so it can be called by custom get_buffer2() implementations for decoders without AV_CODEC_CAP_DR1 set.