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klv: allow building with older versions of GStreamer

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GstReferenceTimestampMeta appeared in version 1.14
This commit is contained in:
Joshua M. Doe 2020-04-14 12:38:36 -04:00
parent 663269e9a6
commit 5c811d9b79
1 changed files with 8 additions and 4 deletions
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12
gst/klv/gstklvinject.c
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@ -112,16 +112,20 @@ gst_klvinject_add_test_meta (GstKlvInject * filt, GstBuffer * buf)
0x01, 0x0e, 0x01, 0x03, 0x01, 0x01, 0x00, 0x00, 0x00 0x01, 0x0e, 0x01, 0x03, 0x01, 0x01, 0x00, 0x00, 0x00
}; };
GstByteWriter bw; GstByteWriter bw;
GstReferenceTimestampMeta *time_meta;
gint64 utc_us;
/* NOTE: MISB defines MISP time, which is NOT UTC, but use UTC for now */ /* NOTE: MISB defines MISP time, which is NOT UTC, but use UTC for now */
gint64 utc_us = -1;
#if GST_CHECK_VERSION(1,14,0)
GstReferenceTimestampMeta *time_meta;
time_meta = time_meta =
gst_buffer_get_reference_timestamp_meta (buf, gst_buffer_get_reference_timestamp_meta (buf,
gst_static_caps_get (&unix_reference)); gst_static_caps_get (&unix_reference));
if (time_meta) { if (time_meta) {
utc_us = time_meta->timestamp / 1000; utc_us = time_meta->timestamp / 1000;
} else { }
#endif
if (utc_us == -1) {
GDateTime *dt = g_date_time_new_now_utc (); GDateTime *dt = g_date_time_new_now_utc ();
utc_us = g_date_time_to_unix (dt) * 1000000; /* microseconds */ utc_us = g_date_time_to_unix (dt) * 1000000; /* microseconds */
utc_us += g_date_time_get_microsecond (dt); utc_us += g_date_time_get_microsecond (dt);