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decklink/clock: remove clock_offset

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It is completely unused and only ever initialized to 0.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/9267>
This commit is contained in:
Matthew Waters 2025-06-23 10:22:57 +10:00 committed by GStreamer Marge Bot
parent cae2b38614
commit f7ad5cb570
3 changed files with 2 additions and 17 deletions
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14
subprojects/gst-plugins-bad/sys/decklink/gstdecklink.cpp
View File

@ -2533,13 +2533,11 @@ gst_decklink_clock_get_internal_time (GstClock * clock)
{
GstDecklinkClock *self = GST_DECKLINK_CLOCK (clock);
GstClockTime result, start_time, last_time;
GstClockTimeDiff offset;
BMDTimeValue time;
HRESULT ret;
g_mutex_lock (&self->output->lock);
start_time = self->output->clock_start_time;
offset = self->output->clock_offset;
last_time = self->output->clock_last_time;
time = -1;
if (!self->output->started) {
@ -2560,13 +2558,6 @@ gst_decklink_clock_get_internal_time (GstClock * clock)
else
result = 0;
if (self->output->clock_restart) {
self->output->clock_offset = result - last_time;
offset = self->output->clock_offset;
self->output->clock_restart = FALSE;
}
result = MAX (last_time, result);
result -= offset;
result = MAX (last_time, result);
} else {
result = last_time;
@ -2579,9 +2570,8 @@ gst_decklink_clock_get_internal_time (GstClock * clock)
GST_LOG_OBJECT (clock,
"result %" GST_TIME_FORMAT " time %" GST_TIME_FORMAT " last time %"
GST_TIME_FORMAT " offset %" GST_TIME_FORMAT " start time %"
GST_TIME_FORMAT " (ret: 0x%08lx)", GST_TIME_ARGS (result),
GST_TIME_ARGS (time), GST_TIME_ARGS (last_time), GST_TIME_ARGS (offset),
GST_TIME_FORMAT " start time %" GST_TIME_FORMAT " (ret: 0x%08lx)",
GST_TIME_ARGS (result), GST_TIME_ARGS (time), GST_TIME_ARGS (last_time),
GST_TIME_ARGS (start_time), (unsigned long) ret);
return result;

2
subprojects/gst-plugins-bad/sys/decklink/gstdecklink.h
View File

@ -552,9 +552,7 @@ struct _GstDecklinkOutput {
GstClock *clock;
GstClockTime clock_start_time, clock_last_time, clock_epoch;
GstClockTimeDiff clock_offset;
gboolean started;
gboolean clock_restart;
/* Everything below protected by mutex */
GMutex lock;

3
subprojects/gst-plugins-bad/sys/decklink/gstdecklinkvideosink.cpp
View File

@ -2191,7 +2191,6 @@ gst_decklink_video_sink_open (GstBaseSink * bsink)
self->output->clock_start_time = GST_CLOCK_TIME_NONE;
self->output->clock_epoch += self->output->clock_last_time;
self->output->clock_last_time = 0;
self->output->clock_offset = 0;
GST_OBJECT_LOCK (self);
self->internal_base_time = GST_CLOCK_TIME_NONE;
self->external_base_time = GST_CLOCK_TIME_NONE;
@ -2407,7 +2406,6 @@ gst_decklink_video_sink_change_state (GstElement * element,
g_mutex_lock (&self->output->lock);
self->output->clock_epoch += self->output->clock_last_time;
self->output->clock_last_time = 0;
self->output->clock_offset = 0;
g_mutex_unlock (&self->output->lock);
gst_element_post_message (element,
gst_message_new_clock_provide (GST_OBJECT_CAST (element),
@ -2451,7 +2449,6 @@ gst_decklink_video_sink_change_state (GstElement * element,
g_mutex_lock (&self->output->lock);
self->output->clock_epoch += self->output->clock_last_time;
self->output->clock_last_time = 0;
self->output->clock_offset = 0;
g_mutex_unlock (&self->output->lock);
gst_decklink_video_sink_stop (self);
GST_OBJECT_LOCK (self);