diff options
Diffstat (limited to 'libavcodec')
| -rw-r--r-- | libavcodec/ccaption_dec.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/libavcodec/ccaption_dec.c b/libavcodec/ccaption_dec.c index 3e335804fa..330ea6ac59 100644 --- a/libavcodec/ccaption_dec.c +++ b/libavcodec/ccaption_dec.c @@ -294,8 +294,11 @@ static void roll_up(CCaptionSubContext *ctx) */ keep_lines = FFMIN(ctx->cursor_row + 1, ctx->rollup); - for (i = 0; i < ctx->cursor_row - keep_lines; i++) + for (i = 0; i < SCREEN_ROWS; i++) { + if (i > ctx->cursor_row - keep_lines && i <= ctx->cursor_row) + continue; UNSET_FLAG(screen->row_used, i); + } for (i = 0; i < keep_lines && screen->row_used; i++) { const int i_row = ctx->cursor_row - keep_lines + i + 1; |