diff options
Diffstat (limited to 'libavcodec/ivi_common.c')
| -rw-r--r-- | libavcodec/ivi_common.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/libavcodec/ivi_common.c b/libavcodec/ivi_common.c index 670be5e7f2..c593ee942f 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 */ @@ -260,6 +260,8 @@ int av_cold 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 +508,7 @@ 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); |