ffmpeg | branch: master | Luca Barbato <lu_z...@gentoo.org> | Fri Jun 26 15:57:16 2015 +0200| [0a49a62f998747cfa564d98d36a459fe70d3299b] | committer: Vittorio Giovara
h263: Always check both dimensions CC: libav-sta...@libav.org Found-By: a...@gentoo.org > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=0a49a62f998747cfa564d98d36a459fe70d3299b --- libavcodec/ituh263dec.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/libavcodec/ituh263dec.c b/libavcodec/ituh263dec.c index b1da22f..b9189b2 100644 --- a/libavcodec/ituh263dec.c +++ b/libavcodec/ituh263dec.c @@ -30,6 +30,7 @@ #include <limits.h> #include "libavutil/attributes.h" +#include "libavutil/imgutils.h" #include "libavutil/internal.h" #include "libavutil/mathematics.h" #include "avcodec.h" @@ -868,7 +869,7 @@ end: /* most is hardcoded. should extend to handle all h263 streams */ int ff_h263_decode_picture_header(MpegEncContext *s) { - int format, width, height, i; + int format, width, height, i, ret; uint32_t startcode; align_get_bits(&s->gb); @@ -919,8 +920,6 @@ int ff_h263_decode_picture_header(MpegEncContext *s) /* H.263v1 */ width = ff_h263_format[format][0]; height = ff_h263_format[format][1]; - if (!width) - return -1; s->pict_type = AV_PICTURE_TYPE_I + get_bits1(&s->gb); @@ -1073,6 +1072,9 @@ int ff_h263_decode_picture_header(MpegEncContext *s) s->qscale = get_bits(&s->gb, 5); } + if ((ret = av_image_check_size(s->width, s->height, 0, s)) < 0) + return ret; + s->mb_width = (s->width + 15) / 16; s->mb_height = (s->height + 15) / 16; s->mb_num = s->mb_width * s->mb_height; _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
