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Diffstat (limited to 'libavcodec/ivi_common.c')
-rw-r--r--libavcodec/ivi_common.c13
1 files changed, 8 insertions, 5 deletions
diff --git a/libavcodec/ivi_common.c b/libavcodec/ivi_common.c
index b930e1517d..6b2ddc8cc7 100644
--- a/libavcodec/ivi_common.c
+++ b/libavcodec/ivi_common.c
@@ -3,20 +3,20 @@
*
* Copyright (c) 2009 Maxim Poliakovski
*
- * This file is part of Libav.
+ * This file is part of FFmpeg.
*
- * Libav is free software; you can redistribute it and/or
+ * FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
- * Libav is distributed in the hope that it will be useful,
+ * FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
- * License along with Libav; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
@@ -209,6 +209,7 @@ av_cold int ff_ivi_init_planes(IVIPlaneDesc *planes, const IVIPicConfig *cfg)
band->pitch = width_aligned;
band->bufs[0] = av_malloc(buf_size);
band->bufs[1] = av_malloc(buf_size);
+ band->bufsize = buf_size/2;
if (!band->bufs[0] || !band->bufs[1])
return AVERROR(ENOMEM);
@@ -260,6 +261,8 @@ av_cold int ff_ivi_init_tiles(IVIPlaneDesc *planes, int tile_width, int tile_hei
t_width >>= 1;
t_height >>= 1;
}
+ if(t_width<=0 || t_height<=0)
+ return AVERROR(EINVAL);
for (b = 0; b < planes[p].num_bands; b++) {
band = &planes[p].bands[b];
@@ -506,7 +509,7 @@ void ff_ivi_process_empty_tile(AVCodecContext *avctx, IVIBandDesc *band,
if (band->inherit_qdelta && ref_mb)
mb->q_delta = ref_mb->q_delta;
- if (band->inherit_mv) {
+ if (band->inherit_mv && ref_mb) {
/* motion vector inheritance */
if (mv_scale) {
mb->mv_x = ivi_scale_mv(ref_mb->mv_x, mv_scale);