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appsrc: If do-timestamp=TRUE, capture the time when the buffer was pushed to the source

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... instead of the time when it was pushed further downstream.

https://bugzilla.gnome.org/show_bug.cgi?id=763630
This commit is contained in:
Sebastian Dröge 2016-03-17 00:19:18 +02:00
parent 0f609bc6c6
commit 1032f5c1b3
1 changed files with 34 additions and 0 deletions
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34
gst-libs/gst/app/gstappsrc.c
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@ -1707,6 +1707,40 @@ gst_app_src_push_buffer_full (GstAppSrc * appsrc, GstBuffer * buffer,
priv = appsrc->priv;
if (GST_BUFFER_DTS (buffer) == GST_CLOCK_TIME_NONE &&
GST_BUFFER_PTS (buffer) == GST_CLOCK_TIME_NONE &&
gst_base_src_get_do_timestamp (GST_BASE_SRC_CAST (appsrc))) {
GstClock *clock;
clock = gst_element_get_clock (GST_ELEMENT_CAST (appsrc));
if (clock) {
GstClockTime now;
GstClockTime base_time =
gst_element_get_base_time (GST_ELEMENT_CAST (appsrc));
now = gst_clock_get_time (clock);
if (now > base_time)
now -= base_time;
else
now = 0;
gst_object_unref (clock);
if (!steal_ref)
buffer = gst_buffer_copy (buffer);
else
buffer = gst_buffer_make_writable (buffer);
GST_BUFFER_PTS (buffer) = now;
GST_BUFFER_DTS (buffer) = now;
steal_ref = TRUE;
} else {
GST_WARNING_OBJECT (appsrc,
"do-timestamp=TRUE but buffers are provided before "
"reaching the PLAYING state and having a clock. Timestamps will "
"not be accurate!");
}
}
g_mutex_lock (&priv->mutex);
while (TRUE) {