avcodec/pngdec: Require a IHDR chunk before fctl
authorMichael Niedermayer <michaelni@gmx.at>
Mon, 29 Jun 2015 19:57:12 +0000 (21:57 +0200)
committerMichael Niedermayer <michael@niedermayer.cc>
Tue, 28 Jul 2015 00:42:15 +0000 (02:42 +0200)
commit0628dfd99427037ddb535c6c0e248d192e678c7b
tree92c24180e2a5d28b7dc343a1501b77319efb1108
parentd661cfad02afc2f8cb17d5b89c1aced1189dab82
avcodec/pngdec: Require a IHDR chunk before fctl

This is required by the APNG spec

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit a1736926e9ae51706b537776722e816a4d1f6b36)

Conflicts:

libavcodec/pngdec.c
libavcodec/pngdec.c