[FFmpeg-devel] [PATCH 1/4] dpx: use aligned line starts

Michael Niedermayer michaelni at gmx.at
Thu Aug 14 04:17:42 CEST 2014

On Wed, Aug 13, 2014 at 10:21:51AM +0000, Christophe Gisquet wrote:
> SMPTE 268M-2003 specifies that each line starts at a 4-bytes boundary.
> Therefore, modify correspondingly the input buffer strides and size.
> Partially fixes ticket #3692: DLAD_8b_3c_big.dpx still has inverted
> colors, which might be related to endianness.
> ---
>  libavcodec/dpx.c | 34 +++++++++++++++++++++++-----------
>  1 file changed, 23 insertions(+), 11 deletions(-)

./ffmpeg -icheckerboard_1080p_nuke_bigendian_12bit_alpha.dpx -f null -
to segfault

see http://samples.ffmpeg.org/image-samples/dpx_samples.zip

Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

Good people do not need laws to tell them to act responsibly, while bad
people will find a way around the laws. -- Plato
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