avformat/assdec: allow ASS files starting with empty lines

See https://github.com/mpv-player/mpv/issues/2506
9 years ago · 6679fcd419
parent 7769e6602d
commit 6679fcd419
1 changed files with 3 additions and 0 deletions
--- a/libavformat/assdec.c
+++ b/libavformat/assdec.c
@ -39,6 +39,9 @@ static int ass_probe(AVProbeData *p)
    FFTextReader tr;
    ff_text_init_buf(&tr, p->buf, p->buf_size);

+    while (ff_text_peek_r8(&tr) == '\r' || ff_text_peek_r8(&tr) == '\n')
+        ff_text_r8(&tr);
+
    ff_text_read(&tr, buf, sizeof(buf));

    if (!memcmp(buf, "[Script Info]", 13))