On 2012-12-12 14:30:43 -0800, Ronald S. Bultje wrote: > Hi, > > On Wed, Dec 12, 2012 at 12:30 PM, Janne Grunau <janne-li...@jannau.net> wrote: > > cmdutis.c's alloc_buffer() uses aligned to 32 width plus 2 edges of 32 > > pixels as linesize. emu_edge_buffer has to work with the same stride. > > This makes only a difference for > 8 bit per pixel bit depths since we > > always allocate for 16 bit per pixel. > > > > Fixes fuzzed sample nasa-8s2.ts_s244342. > > --- > > libavcodec/mpegvideo.c | 13 ++++++++----- > > 1 file changed, 8 insertions(+), 5 deletions(-) > > What if we implement a custom get_buffer() which returns bigger strides?
it fails horrible for high pixel bit depth like it does with this sample. I could add an assumed_linesize into the context and realloc if the linesize returned by get_buffer is larger or maybe preallocate a buffer here if it' feasible. Janne _______________________________________________ libav-devel mailing list libav-devel@libav.org https://lists.libav.org/mailman/listinfo/libav-devel
