On 2019-12-03 21:25:37 +0100, Marton Balint wrote: > > > On Tue, 3 Dec 2019, Kusanagi Kouichi wrote: > > > On 2019-11-19 22:59:56 +0900, Kusanagi Kouichi wrote: > > > Use AVBufferPool. > > You don't need a buffer pool for the non-shm case, you should wrap the XCB > data in a buffer ref instead. I will reply with a patch that shows how it is > done, please check if it works correctly, as I am not 100% sure how xcb data > structures should be allocated/freed. >
Is it safe to omit AV_INPUT_BUFFER_PADDING_SIZE bytes padding? My first version is identical to yours. Valgrind reported no error. But I'm not sure. > What actually would benefit from a buffer pool is the SHM case. A pool of > SHM buffers which are wrapped in a buffer ref can avoid yet another memcpy. > Is the amount of SHM space that is usually available is limited or not? If > so, how much is the limit? Can we safely allocate at least 10-20 buffers? > > Regards, > Marton > _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
