gstsegment.c

gnash 在pc和嵌入式下开发需要的源码

  result = gst_segment_to_stream_time (&segment, GST_FORMAT_TIME, 100);
  fail_unless (result == 200);

  result = gst_segment_to_stream_time (&segment, GST_FORMAT_TIME, 150);
  fail_unless (result == 300);

  result = gst_segment_to_stream_time (&segment, GST_FORMAT_TIME, 200);
  fail_unless (result == 400);

  /* outside of the segment */
  result = gst_segment_to_stream_time (&segment, GST_FORMAT_TIME, 300);
  fail_unless (result == -1);
}

GST_END_TEST;

/* mess with the segment structure in the time format */
GST_START_TEST (segment_newsegment_runningtime)
{
  GstSegment segment;
  gint64 result;

  gst_segment_init (&segment, GST_FORMAT_TIME);

  /***************************
   * Normal segment
   ***************************/
  gst_segment_set_newsegment_full (&segment, FALSE, 1.0, 1.0,
      GST_FORMAT_TIME, 0, 200, 0);

  fail_unless (segment.rate == 1.0);
  fail_unless (segment.applied_rate == 1.0);
  fail_unless (segment.format == GST_FORMAT_TIME);
  fail_unless (segment.flags == 0);
  fail_unless (segment.start == 0);
  fail_unless (segment.stop == 200);
  fail_unless (segment.time == 0);
  fail_unless (segment.accum == 0);
  fail_unless (segment.last_stop == 0);
  fail_unless (segment.duration == -1);

  /* invalid time gives invalid result */
  result = gst_segment_to_running_time (&segment, GST_FORMAT_TIME, -1);
  fail_unless (result == -1);

  result = gst_segment_to_running_time (&segment, GST_FORMAT_TIME, 0);
  fail_unless (result == 0);

  result = gst_segment_to_running_time (&segment, GST_FORMAT_TIME, 100);
  fail_unless (result == 100);

  /* at edge is exactly the segment duration */
  result = gst_segment_to_running_time (&segment, GST_FORMAT_TIME, 200);
  fail_unless (result == 200);

  /* outside of the segment */
  result = gst_segment_to_running_time (&segment, GST_FORMAT_TIME, 300);
  fail_unless (result == -1);

  /***********************************************************
   * time shifted by 500, check if accumulation worked.
   * Rate convert to twice the speed which means scaling down
   * all positions by 2.0 in this segment.
   * Then time argument is not used at all here.
   ***********************************************************/
  gst_segment_set_newsegment_full (&segment, FALSE, 2.0, 1.0,
      GST_FORMAT_TIME, 0, 200, 500);

  /* normal speed gives elapsed of 200 */
  fail_unless (segment.accum == 200);

  /* invalid time gives invalid result */
  result = gst_segment_to_running_time (&segment, GST_FORMAT_TIME, -1);
  fail_unless (result == -1);

  result = gst_segment_to_running_time (&segment, GST_FORMAT_TIME, 0);
  fail_unless (result == 200);

  result = gst_segment_to_running_time (&segment, GST_FORMAT_TIME, 100);
  fail_unless (result == 250);

  /* outside of the segment */
  result = gst_segment_to_running_time (&segment, GST_FORMAT_TIME, 500);
  fail_unless (result == -1);

  /********************************************
   * time offset by 500
   * applied rate is not used for running time
   ********************************************/
  gst_segment_set_newsegment_full (&segment, FALSE, 1.0, 2.0,
      GST_FORMAT_TIME, 500, 700, 0);

  /* previous segment played at double speed gives elapsed time of
   * 100 added to previous accum of 200 gives 300. */
  fail_unless (segment.accum == 300);

  /* invalid time gives invalid result */
  result = gst_segment_to_running_time (&segment, GST_FORMAT_TIME, -1);
  fail_unless (result == -1);

  /* before segment is invalid */
  result = gst_segment_to_running_time (&segment, GST_FORMAT_TIME, 400);
  fail_unless (result == -1);

  result = gst_segment_to_running_time (&segment, GST_FORMAT_TIME, 500);
  fail_unless (result == 300);

  result = gst_segment_to_running_time (&segment, GST_FORMAT_TIME, 600);
  fail_unless (result == 400);

  result = gst_segment_to_running_time (&segment, GST_FORMAT_TIME, 700);
  fail_unless (result == 500);

  /* outside of the segment */
  result = gst_segment_to_running_time (&segment, GST_FORMAT_TIME, 800);
  fail_unless (result == -1);

  /**********************************************************
   * time offset by 500, shifted by 200
   * Negative rate makes the running time go backwards 
   * relative to the segment stop position. again time
   * is ignored.
   **********************************************************/
  gst_segment_set_newsegment_full (&segment, FALSE, -1.0, 1.0,
      GST_FORMAT_TIME, 500, 700, 200);

  fail_unless (segment.accum == 500);

  /* invalid time gives invalid result */
  result = gst_segment_to_running_time (&segment, GST_FORMAT_TIME, -1);
  fail_unless (result == -1);

  /* before segment is invalid */
  result = gst_segment_to_running_time (&segment, GST_FORMAT_TIME, 400);
  fail_unless (result == -1);

  result = gst_segment_to_running_time (&segment, GST_FORMAT_TIME, 500);
  fail_unless (result == 700);

  result = gst_segment_to_running_time (&segment, GST_FORMAT_TIME, 600);
  fail_unless (result == 600);

  result = gst_segment_to_running_time (&segment, GST_FORMAT_TIME, 700);
  fail_unless (result == 500);

  /* outside of the segment */
  result = gst_segment_to_running_time (&segment, GST_FORMAT_TIME, 800);
  fail_unless (result == -1);

  /**********************************************************
   * time offset by 500, shifted by 200
   * Negative rate makes the running time go backwards at
   * twice speed relative to the segment stop position. again 
   * time is ignored.
   **********************************************************/
  gst_segment_set_newsegment_full (&segment, FALSE, -2.0, -2.0,
      GST_FORMAT_TIME, 500, 700, 200);

  fail_unless (segment.accum == 700);

  /* invalid time gives invalid result */
  result = gst_segment_to_running_time (&segment, GST_FORMAT_TIME, -1);
  fail_unless (result == -1);

  /* before segment is invalid */
  result = gst_segment_to_running_time (&segment, GST_FORMAT_TIME, 400);
  fail_unless (result == -1);

  /* total scaled segment time is 100, accum is 700, so we get 800 */
  result = gst_segment_to_running_time (&segment, GST_FORMAT_TIME, 500);
  fail_unless (result == 800);

  result = gst_segment_to_running_time (&segment, GST_FORMAT_TIME, 600);
  fail_unless (result == 750);

  result = gst_segment_to_running_time (&segment, GST_FORMAT_TIME, 700);
  fail_unless (result == 700);

  /* outside of the segment */
  result = gst_segment_to_running_time (&segment, GST_FORMAT_TIME, 800);
  fail_unless (result == -1);

  /* see if negative rate closed segment correctly */
  gst_segment_set_newsegment_full (&segment, FALSE, -2.0, -1.0,
      GST_FORMAT_TIME, 500, 700, 200);

  /* previous segment lasted 100, and was at 700 so we should get 800 */
  fail_unless (segment.accum == 800);
}

GST_END_TEST;

/* mess with the segment structure in the time format */
GST_START_TEST (segment_newsegment_accum)
{
  GstSegment segment;
  gint64 result;

  gst_segment_init (&segment, GST_FORMAT_TIME);

  /***************************
   * Normal reverse segment
   ***************************/
  gst_segment_set_newsegment_full (&segment, FALSE, -1.0, 1.0,
      GST_FORMAT_TIME, 0, 200, 0);

  fail_unless (segment.rate == -1.0);
  fail_unless (segment.applied_rate == 1.0);
  fail_unless (segment.format == GST_FORMAT_TIME);
  fail_unless (segment.flags == 0);
  fail_unless (segment.start == 0);
  fail_unless (segment.stop == 200);
  fail_unless (segment.time == 0);
  fail_unless (segment.accum == 0);
  fail_unless (segment.last_stop == 0);
  fail_unless (segment.duration == -1);

  /* invalid time gives invalid result */
  result = gst_segment_to_running_time (&segment, GST_FORMAT_TIME, -1);
  fail_unless (result == -1);

  result = gst_segment_to_running_time (&segment, GST_FORMAT_TIME, 200);
  fail_unless (result == 0);

  result = gst_segment_to_running_time (&segment, GST_FORMAT_TIME, 150);
  fail_unless (result == 50);

  /* update segment, this accumulates 50 from the previous segment. */
  gst_segment_set_newsegment_full (&segment, TRUE, -2.0, 1.0,
      GST_FORMAT_TIME, 0, 150, 0);

  fail_unless (segment.rate == -2.0);
  fail_unless (segment.applied_rate == 1.0);
  fail_unless (segment.format == GST_FORMAT_TIME);
  fail_unless (segment.flags == 0);
  fail_unless (segment.start == 0);
  fail_unless (segment.stop == 150);
  fail_unless (segment.time == 0);
  fail_unless (segment.accum == 50);
  fail_unless (segment.last_stop == 0);
  fail_unless (segment.duration == -1);

  result = gst_segment_to_running_time (&segment, GST_FORMAT_TIME, 150);
  fail_unless (result == 50);

  /* 50 accumulated + 50 / 2 */
  result = gst_segment_to_running_time (&segment, GST_FORMAT_TIME, 100);
  fail_unless (result == 75);

  /* update segment, this does not accumulate anything. */
  gst_segment_set_newsegment_full (&segment, TRUE, 1.0, 1.0,
      GST_FORMAT_TIME, 100, 200, 100);

  fail_unless (segment.rate == 1.0);
  fail_unless (segment.applied_rate == 1.0);
  fail_unless (segment.format == GST_FORMAT_TIME);
  fail_unless (segment.flags == 0);
  fail_unless (segment.start == 100);
  fail_unless (segment.stop == 200);
  fail_unless (segment.time == 100);
  fail_unless (segment.accum == 50);
  fail_unless (segment.last_stop == 100);
  fail_unless (segment.duration == -1);

  result = gst_segment_to_running_time (&segment, GST_FORMAT_TIME, 100);
  fail_unless (result == 50);

  result = gst_segment_to_running_time (&segment, GST_FORMAT_TIME, 150);
  fail_unless (result == 100);
}

GST_END_TEST;

/* mess with the segment structure in the time format */
GST_START_TEST (segment_newsegment_accum2)
{
  GstSegment segment;
  gint64 result;

  gst_segment_init (&segment, GST_FORMAT_TIME);

  /***************************
   * Normal reverse segment
   ***************************/
  gst_segment_set_newsegment_full (&segment, FALSE, -1.0, 1.0,
      GST_FORMAT_TIME, 0, 200, 0);

  fail_unless (segment.rate == -1.0);
  fail_unless (segment.applied_rate == 1.0);
  fail_unless (segment.format == GST_FORMAT_TIME);
  fail_unless (segment.flags == 0);
  fail_unless (segment.start == 0);
  fail_unless (segment.stop == 200);
  fail_unless (segment.time == 0);
  fail_unless (segment.accum == 0);
  fail_unless (segment.last_stop == 0);
  fail_unless (segment.duration == -1);

  /* invalid time gives invalid result */
  result = gst_segment_to_running_time (&segment, GST_FORMAT_TIME, -1);
  fail_unless (result == -1);

  result = gst_segment_to_running_time (&segment, GST_FORMAT_TIME, 200);
  fail_unless (result == 0);

  result = gst_segment_to_running_time (&segment, GST_FORMAT_TIME, 150);
  fail_unless (result == 50);

  /* close segment, this accumulates nothing. */
  gst_segment_set_newsegment_full (&segment, TRUE, -1.0, 1.0,
      GST_FORMAT_TIME, 150, 200, 0);

  fail_unless (segment.rate == -1.0);
  fail_unless (segment.applied_rate == 1.0);
  fail_unless (segment.format == GST_FORMAT_TIME);
  fail_unless (segment.flags == 0);
  fail_unless (segment.start == 150);
  fail_unless (segment.stop == 200);
  fail_unless (segment.time == 0);
  fail_unless (segment.accum == 0);
  fail_unless (segment.last_stop == 150);
  fail_unless (segment.duration == -1);

  /* new segment, this accumulates 50. */
  gst_segment_set_newsegment_full (&segment, FALSE, 1.0, 1.0,
      GST_FORMAT_TIME, 150, 300, 150);

  fail_unless (segment.rate == 1.0);
  fail_unless (segment.applied_rate == 1.0);
  fail_unless (segment.format == GST_FORMAT_TIME);
  fail_unless (segment.flags == 0);
  fail_unless (segment.start == 150);
  fail_unless (segment.stop == 300);
  fail_unless (segment.time == 150);
  fail_unless (segment.accum == 50);
  fail_unless (segment.last_stop == 150);
  fail_unless (segment.duration == -1);

  /* invalid time gives invalid result */
  result = gst_segment_to_running_time (&segment, GST_FORMAT_TIME, -1);
  fail_unless (result == -1);

  result = gst_segment_to_running_time (&segment, GST_FORMAT_TIME, 150);
  fail_unless (result == 50);

  result = gst_segment_to_running_time (&segment, GST_FORMAT_TIME, 200);
  fail_unless (result == 100);
}

GST_END_TEST;

Suite *
gst_segment_suite (void)
{
  Suite *s = suite_create ("GstSegment");
  TCase *tc_chain = tcase_create ("segments");

  tcase_set_timeout (tc_chain, 20);

  suite_add_tcase (s, tc_chain);
  tcase_add_test (tc_chain, segment_seek_nosize);
  tcase_add_test (tc_chain, segment_seek_size);
  tcase_add_test (tc_chain, segment_seek_reverse);
  tcase_add_test (tc_chain, segment_newsegment_open);
  tcase_add_test (tc_chain, segment_newsegment_closed);
  tcase_add_test (tc_chain, segment_newsegment_streamtime);
  tcase_add_test (tc_chain, segment_newsegment_streamtime_rate);
  tcase_add_test (tc_chain, segment_newsegment_streamtime_applied_rate);
  tcase_add_test (tc_chain, segment_newsegment_streamtime_applied_rate_rate);
  tcase_add_test (tc_chain, segment_newsegment_runningtime);
  tcase_add_test (tc_chain, segment_newsegment_accum);
  tcase_add_test (tc_chain, segment_newsegment_accum2);

  return s;
}

GST_CHECK_MAIN (gst_segment);