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tests: add unit test for gst_adapter_prev_pts_at_offset()

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https://bugzilla.gnome.org/show_bug.cgi?id=765662
This commit is contained in:
Nicolas Huet 2016-05-09 15:32:43 +02:00 committed by Tim-Philipp Müller
parent 9cd2677791
commit 9ae9a01fe2
1 changed files with 129 additions and 0 deletions
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129
tests/check/libs/adapter.c
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@ -641,6 +641,135 @@ GST_START_TEST (test_timestamp)
fail_unless (timestamp == 5 * GST_SECOND);
fail_unless (dist == 50);
/* clearing to start a new test */
gst_adapter_clear (adapter);
buffer = gst_buffer_new_and_alloc (100);
/* push the buffer without timestamp in the adapter */
gst_adapter_push (adapter, buffer);
avail = gst_adapter_available (adapter);
fail_unless_equals_int (avail, 100);
/* timestamp is now undefined */
timestamp = gst_adapter_prev_pts_at_offset (adapter, 0, &dist);
fail_unless (timestamp == GST_CLOCK_TIME_NONE);
fail_unless_equals_int (dist, 0);
gst_adapter_flush (adapter, 50);
avail = gst_adapter_available (adapter);
fail_unless_equals_int (avail, 50);
/* still undefined, dist changed, though */
timestamp = gst_adapter_prev_pts_at_offset (adapter, 0, &dist);
fail_unless (timestamp == GST_CLOCK_TIME_NONE);
fail_unless_equals_int (dist, 50);
/* alloc first buffer with timestamp */
buffer = gst_buffer_new_and_alloc (100);
GST_BUFFER_TIMESTAMP (buffer) = 1 * GST_SECOND;
/* push in the adapter */
gst_adapter_push (adapter, buffer);
avail = gst_adapter_available (adapter);
fail_unless_equals_int (avail, 150);
/* timestamp is still undefined at offset 0 */
timestamp = gst_adapter_prev_pts_at_offset (adapter, 0, &dist);
fail_unless (timestamp == GST_CLOCK_TIME_NONE);
fail_unless_equals_int (dist, 50);
/* timestamp is still undefined at offset 50 */
timestamp = gst_adapter_prev_pts_at_offset (adapter, 50, &dist);
fail_unless (timestamp == GST_CLOCK_TIME_NONE);
fail_unless_equals_int (dist, 100);
/* timestamp is 1 second at offset 51 */
timestamp = gst_adapter_prev_pts_at_offset (adapter, 51, &dist);
fail_unless (timestamp == 1 * GST_SECOND);
fail_unless_equals_int (dist, 1);
/* timestamp is still 1 second at offset 100 */
timestamp = gst_adapter_prev_pts_at_offset (adapter, 100, &dist);
fail_unless (timestamp == 1 * GST_SECOND);
fail_unless_equals_int (dist, 50);
/* flush out the last 50 bytes of the buffer with undefined timestamp */
gst_adapter_flush (adapter, 50);
avail = gst_adapter_available (adapter);
fail_unless_equals_int (avail, 100);
/* alloc second buffer with timestamp */
buffer = gst_buffer_new_and_alloc (100);
GST_BUFFER_TIMESTAMP (buffer) = 2 * GST_SECOND;
/* push in the adapter */
gst_adapter_push (adapter, buffer);
avail = gst_adapter_available (adapter);
fail_unless_equals_int (avail, 200);
/* alloc third buffer with timestamp */
buffer = gst_buffer_new_and_alloc (100);
GST_BUFFER_TIMESTAMP (buffer) = 3 * GST_SECOND;
/* push in the adapter */
gst_adapter_push (adapter, buffer);
avail = gst_adapter_available (adapter);
fail_unless_equals_int (avail, 300);
/* alloc fourth buffer with timestamp */
buffer = gst_buffer_new_and_alloc (100);
GST_BUFFER_TIMESTAMP (buffer) = 4 * GST_SECOND;
/* push in the adapter */
gst_adapter_push (adapter, buffer);
avail = gst_adapter_available (adapter);
fail_unless_equals_int (avail, 400);
timestamp = gst_adapter_prev_pts_at_offset (adapter, 0, &dist);
fail_unless (timestamp == 1 * GST_SECOND);
fail_unless_equals_int (dist, 0);
timestamp = gst_adapter_prev_pts_at_offset (adapter, 100, &dist);
fail_unless (timestamp == 1 * GST_SECOND);
fail_unless_equals_int (dist, 100);
timestamp = gst_adapter_prev_pts_at_offset (adapter, 200, &dist);
fail_unless (timestamp == 2 * GST_SECOND);
fail_unless_equals_int (dist, 100);
timestamp = gst_adapter_prev_pts_at_offset (adapter, 300, &dist);
fail_unless (timestamp == 3 * GST_SECOND);
fail_unless_equals_int (dist, 100);
timestamp = gst_adapter_prev_pts_at_offset (adapter, 400, &dist);
fail_unless (timestamp == 4 * GST_SECOND);
fail_unless_equals_int (dist, 100);
gst_adapter_flush (adapter, 50);
avail = gst_adapter_available (adapter);
fail_unless_equals_int (avail, 350);
/* We flushed 50 bytes, we are still on the first buffer */
timestamp = gst_adapter_prev_pts_at_offset (adapter, 0, &dist);
fail_unless (timestamp == 1 * GST_SECOND);
fail_unless_equals_int (dist, 50);
/* As we flushed 50 bytes, offset 100 is on the second buffer */
timestamp = gst_adapter_prev_pts_at_offset (adapter, 100, &dist);
fail_unless (timestamp == 2 * GST_SECOND);
fail_unless_equals_int (dist, 50);
/* Third buffer */
timestamp = gst_adapter_prev_pts_at_offset (adapter, 200, &dist);
fail_unless (timestamp == 3 * GST_SECOND);
fail_unless_equals_int (dist, 50);
/* Fourth buffer */
timestamp = gst_adapter_prev_pts_at_offset (adapter, 300, &dist);
fail_unless (timestamp == 4 * GST_SECOND);
fail_unless_equals_int (dist, 50);
g_object_unref (adapter);
}