ass: use av_asprintf() instead of a temporary stack buffer.

13 years ago · 7c0d30b57b
parent 9729f140ae
commit 7c0d30b57b
1 changed files with 1 additions and 4 deletions
--- a/libavcodec/ass.c
+++ b/libavcodec/ass.c
@ -29,9 +29,7 @@ int ff_ass_subtitle_header(AVCodecContext *avctx,
                           int bold, int italic, int underline,
                           int alignment)
 {
-    char header[512];
-
-    snprintf(header, sizeof(header),
+    avctx->subtitle_header = av_asprintf(
             "[Script Info]\r\n"
             "ScriptType: v4.00+\r\n"
             "\r\n"
@ -44,7 +42,6 @@ int ff_ass_subtitle_header(AVCodecContext *avctx,
             font, font_size, color, color, back_color, back_color,
             -bold, -italic, -underline, alignment);

-    avctx->subtitle_header = av_strdup(header);
    if (!avctx->subtitle_header)
        return AVERROR(ENOMEM);
    avctx->subtitle_header_size = strlen(avctx->subtitle_header);