hls: Relax webvtt checks

If no hour field is present (which is allowed), the remaining data can be less
than 15 character.

Fix time translation failures if the hour field wasn't present

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/2248>

diff --git a/subprojects/gst-plugins-good/ext/adaptivedemux2/hls/gsthlsdemux-util.c b/subprojects/gst-plugins-good/ext/adaptivedemux2/hls/gsthlsdemux-util.c
index 813d74c..4e4a8c7 100644 (file)
--- a/subprojects/gst-plugins-good/ext/adaptivedemux2/hls/gsthlsdemux-util.c
+++ b/subprojects/gst-plugins-good/ext/adaptivedemux2/hls/gsthlsdemux-util.c
@@ -772,7 +772,7 @@ process_webvtt_cue_timing_setting_line (const gchar * input,
     return FALSE;
 
   /* --> */
-  if (gst_byte_reader_get_remaining (&br) < 15 ||
+  if (gst_byte_reader_get_remaining (&br) < 12 ||
       g_ascii_strncasecmp ((const gchar *)
           gst_byte_reader_peek_data_unchecked (&br), "-->", 3))
     return FALSE;