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segment: fix offset handling with non 0 start

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The position in the segment is relative to the start but the offset
isn't, so subtract the start from the position when setting the offset.
Add unit test for this as well.
This commit is contained in:
Wim Taymans 2015-03-18 10:53:30 +01:00
parent 78bdbadc4e
commit 6e67ad7675
2 changed files with 52 additions and 1 deletions
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2
gst/gstsegment.c
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@ -757,7 +757,7 @@ gst_segment_offset_running_time (GstSegment * segment, GstFormat format,
if (position == -1)
return FALSE;
segment->offset = position;
segment->offset = position - segment->start;
}
}
return TRUE;

51
tests/check/gst/gstsegment.c
View file

@ -689,6 +689,57 @@ GST_START_TEST (segment_offset)
fail_unless (segment.base == 0);
fail_unless (segment.offset == 200);
check_times (&segment, 200, 200, 0);
gst_segment_init (&segment, GST_FORMAT_TIME);
segment.start = 20;
segment.position = 50;
segment.stop = 220;
segment.time = 0;
check_times (&segment, 40, 20, 20);
check_times (&segment, 240, -1, -1);
fail_unless (gst_segment_offset_running_time (&segment, GST_FORMAT_TIME,
0) == TRUE);
fail_unless (segment.start == 20);
fail_unless (segment.stop == 220);
fail_unless (segment.time == 0);
fail_unless (segment.position == 50);
fail_unless (segment.base == 0);
fail_unless (segment.offset == 0);
check_times (&segment, 40, 20, 20);
fail_unless (gst_segment_offset_running_time (&segment, GST_FORMAT_TIME,
100) == TRUE);
fail_unless (segment.start == 20);
fail_unless (segment.stop == 220);
fail_unless (segment.time == 0);
fail_unless (segment.position == 50);
fail_unless (segment.base == 100);
fail_unless (segment.offset == 0);
check_times (&segment, 40, 20, 120);
fail_unless (gst_segment_offset_running_time (&segment, GST_FORMAT_TIME,
-50) == TRUE);
fail_unless (segment.start == 20);
fail_unless (segment.stop == 220);
fail_unless (segment.time == 0);
fail_unless (segment.position == 50);
fail_unless (segment.base == 50);
fail_unless (segment.offset == 0);
check_times (&segment, 40, 20, 70);
fail_unless (gst_segment_offset_running_time (&segment, GST_FORMAT_TIME,
-100) == TRUE);
fail_unless (segment.start == 20);
fail_unless (segment.stop == 220);
fail_unless (segment.time == 0);
fail_unless (segment.position == 50);
fail_unless (segment.base == 0);
fail_unless (segment.offset == 50);
check_times (&segment, 40, 20, -1);
check_times (&segment, 220, 200, 150);
}
GST_END_TEST;