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New Source Callbacks for Play control )fast forward, seek, etc.)

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2 new callbacks (PlayFastForward, PlaySpeed), modified Seek callback to take target time in seconds (instead of ratio of duration). Integrating this in Input Mapping GUI and Session saving.
This commit is contained in:
Bruno Herbelin
2023-02-19 01:05:52 +01:00
parent d25c17342b
commit 1590251dad
13 changed files with 311 additions and 42 deletions
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16
src/MediaPlayer.cpp
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@@ -725,7 +725,7 @@ void MediaPlayer::rewind(bool force)
}
void MediaPlayer::step()
void MediaPlayer::step(uint milisecond)
{
// useful only when Paused
if (!enabled_ || isPlaying() || pending_)
@@ -736,7 +736,9 @@ void MediaPlayer::step()
rewind();
else {
// step event
GstEvent *stepevent = gst_event_new_step (GST_FORMAT_BUFFERS, 1, ABS(rate_), TRUE, FALSE);
if (milisecond < media_.dt)
milisecond = media_.dt;
GstEvent *stepevent = gst_event_new_step (GST_FORMAT_TIME, milisecond, ABS(rate_), TRUE, FALSE);
// Metronome
if (metro_sync_) {
@@ -750,11 +752,11 @@ void MediaPlayer::step()
Metronome::manager().executeAtPhase( steplater );
else
Metronome::manager().executeAtBeat( steplater );
}
else
// execute immediately
gst_element_send_event (pipeline_, stepevent);
}
}
@@ -793,12 +795,16 @@ void MediaPlayer::seek(GstClockTime pos)
}
void MediaPlayer::jump()
void MediaPlayer::jump(uint milisecond)
{
if (!enabled_ || !isPlaying())
return;
gst_element_send_event (pipeline_, gst_event_new_step (GST_FORMAT_BUFFERS, 1, 30.f * ABS(rate_), TRUE, FALSE));
gst_element_send_event (pipeline_, gst_event_new_step (GST_FORMAT_TIME,
CLAMP(milisecond, 1, 1000) * GST_MSECOND,
ABS(rate_),
TRUE, FALSE));
}
void MediaPlayer::init_texture(guint index)