pub unsafe extern "C" fn avcodec_default_get_buffer2(
s: *mut AVCodecContext,
frame: *mut AVFrame,
flags: c_int,
) -> c_int展开描述
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.