basetsmux: Fix language crash when ts_pad->stream is NULL

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/4785>
This commit is contained in:
Vivia Nikolaidou 2023-06-06 20:18:53 +03:00 committed by GStreamer Marge Bot
parent e87861ca92
commit 0e62bb2ba6

View file

@ -2104,19 +2104,20 @@ gst_base_ts_mux_sink_event (GstAggregator * agg, GstAggregatorPad * agg_pad,
lang_code = gst_tag_get_language_code_iso_639_2B (lang);
if (lang_code) {
gchar *old_language = g_strdup (ts_pad->language);
GST_DEBUG_OBJECT (ts_pad, "Setting language to '%s'", lang_code);
g_free (ts_pad->language);
ts_pad->language = g_strdup (lang_code);
strncpy (ts_pad->stream->language, lang_code, 3);
ts_pad->stream->language[3] = 0;
if (g_strcmp0 (old_language, lang_code) != 0) {
g_mutex_lock (&mux->lock);
gst_base_ts_mux_resend_all_pmts (mux);
g_mutex_unlock (&mux->lock);
g_mutex_lock (&mux->lock);
if (g_strcmp0 (ts_pad->language, lang_code) != 0) {
GST_DEBUG_OBJECT (ts_pad, "Setting language to '%s'", lang_code);
g_free (ts_pad->language);
ts_pad->language = g_strdup (lang_code);
if (ts_pad->stream) {
strncpy (ts_pad->stream->language, lang_code, 3);
ts_pad->stream->language[3] = 0;
gst_base_ts_mux_resend_all_pmts (mux);
}
}
g_free (old_language);
g_mutex_unlock (&mux->lock);
} else {
GST_WARNING_OBJECT (ts_pad, "Did not get language code for '%s'",
lang);