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adaptivedemux2: Handle return in seek handling

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Various code path were repeating the same logic, and risk forgetting a lock
release.

Unify all of them

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/4922>
This commit is contained in:
Edward Hervey 2023-02-09 14:54:27 +01:00 committed by Edward Hervey
parent a2272dc6ac
commit 38beda2b8e
1 changed files with 11 additions and 40 deletions
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51
subprojects/gst-plugins-good/ext/adaptivedemux2/gstadaptivedemux.c
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@ -2010,7 +2010,7 @@ gst_adaptive_demux_handle_seek_event (GstAdaptiveDemux * demux,
gint64 start, stop;
guint32 seqnum;
gboolean update;
gboolean ret;
gboolean ret = FALSE;
GstSegment oldsegment;
GstEvent *flush_event;
@ -2058,9 +2058,7 @@ gst_adaptive_demux_handle_seek_event (GstAdaptiveDemux * demux,
GST_ERROR_OBJECT (demux,
"Instant rate change seeks only supported in the "
"same direction, without flushing and position change");
GST_ADAPTIVE_SCHEDULER_UNLOCK (demux);
GST_API_UNLOCK (demux);
return FALSE;
goto unlock_return;
}
rate_multiplier = rate / demux->segment.rate;
@ -2076,32 +2074,17 @@ gst_adaptive_demux_handle_seek_event (GstAdaptiveDemux * demux,
demux->instant_rate_multiplier = rate_multiplier;
GST_ADAPTIVE_DEMUX_SEGMENT_UNLOCK (demux);
}
GST_ADAPTIVE_SCHEDULER_UNLOCK (demux);
GST_API_UNLOCK (demux);
gst_event_unref (event);
return ret;
goto unlock_return;
}
if (!gst_adaptive_demux_can_seek (demux)) {
GST_ADAPTIVE_SCHEDULER_UNLOCK (demux);
GST_API_UNLOCK (demux);
gst_event_unref (event);
return FALSE;
}
if (!gst_adaptive_demux_can_seek (demux))
goto unlock_return;
/* We can only accept flushing seeks from this point onward */
if (!(flags & GST_SEEK_FLAG_FLUSH)) {
GST_ERROR_OBJECT (demux,
"Non-flushing non-instant-rate seeks are not possible");
GST_ADAPTIVE_SCHEDULER_UNLOCK (demux);
GST_API_UNLOCK (demux);
gst_event_unref (event);
return FALSE;
goto unlock_return;
}
if (gst_adaptive_demux_is_live (demux)) {
@ -2111,11 +2094,8 @@ gst_adaptive_demux_handle_seek_event (GstAdaptiveDemux * demux,
if (!gst_adaptive_demux_get_live_seek_range (demux, &range_start,
&range_stop)) {
GST_ADAPTIVE_SCHEDULER_UNLOCK (demux);
GST_API_UNLOCK (demux);
gst_event_unref (event);
GST_WARNING_OBJECT (demux, "Failure getting the live seek ranges");
return FALSE;
goto unlock_return;
}
GST_DEBUG_OBJECT (demux,
@ -2177,12 +2157,8 @@ gst_adaptive_demux_handle_seek_event (GstAdaptiveDemux * demux,
}
/* If the seek position is still outside of the seekable range, refuse the seek */
if (!start_valid || !stop_valid) {
GST_ADAPTIVE_SCHEDULER_UNLOCK (demux);
GST_API_UNLOCK (demux);
gst_event_unref (event);
return FALSE;
}
if (!start_valid || !stop_valid)
goto unlock_return;
/* Re-create seek event with changed/updated values */
if (changed) {
@ -2267,14 +2243,8 @@ gst_adaptive_demux_handle_seek_event (GstAdaptiveDemux * demux,
if (gst_adaptive_demux2_stream_seek (stream, rate >= 0, stream_seek_flags,
ts, &ts) != GST_FLOW_OK) {
GST_ADAPTIVE_SCHEDULER_UNLOCK (demux);
GST_ADAPTIVE_DEMUX_SEGMENT_UNLOCK (demux);
GST_API_UNLOCK (demux);
gst_event_unref (event);
return FALSE;
goto unlock_return;
}
/* replace event with a new one without snapping to seek on all streams */
gst_event_unref (event);
@ -2339,6 +2309,7 @@ gst_adaptive_demux_handle_seek_event (GstAdaptiveDemux * demux,
/* Restart the demux */
gst_adaptive_demux_start_tasks (demux);
unlock_return:
GST_ADAPTIVE_SCHEDULER_UNLOCK (demux);
GST_API_UNLOCK (demux);
gst_event_unref (event);