@@ -259,9 +259,10 @@ static void qtrle_encode_line(QtrleEncContext *s, const AVFrame *p, int line, ui
/* These bulk costs increase every iteration */
lowest_bulk_cost += s->pixel_size;
sec_lowest_bulk_cost += s->pixel_size;
-
- this_line -= s->pixel_size;
- prev_line -= s->pixel_size;
+ if (this_line >= p->data[0] + s->pixel_size)
+ this_line -= s->pixel_size;
+ if (prev_line >= s->previous_frame->data[0] + s->pixel_size)
+ prev_line -= s->pixel_size;
}
/* Good! Now we have the best sequence for this line, let's output it. */
Fixes #7991. Signed-off-by: Paul B Mahol <onemda@gmail.com> --- libavcodec/qtrleenc.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-)