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gst/videorate/gstvideorate.c: fix up docs fix a leak when no caps negotiated fix counting of input frames

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Original commit message from CVS:

* gst/videorate/gstvideorate.c: (gst_video_rate_reset),
(gst_video_rate_swap_prev), (gst_video_rate_chain):
fix up docs
fix a leak when no caps negotiated
fix counting of input frames
* tests/check/elements/.cvsignore:
* tests/check/elements/videorate.c: (assert_videorate_stats),
(GST_START_TEST), (videorate_suite):
add tests for these
This commit is contained in:
Thomas Vander Stichele 2006-04-28 14:49:22 +00:00
parent 04754176a6
commit 9ab7a0ef17
5 changed files with 197 additions and 36 deletions
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12
ChangeLog
View file

@ -1,3 +1,15 @@
2006-04-28 Thomas Vander Stichele <thomas at apestaart dot org>
* gst/videorate/gstvideorate.c: (gst_video_rate_reset),
(gst_video_rate_swap_prev), (gst_video_rate_chain):
fix up docs
fix a leak when no caps negotiated
fix counting of input frames
* tests/check/elements/.cvsignore:
* tests/check/elements/videorate.c: (assert_videorate_stats),
(GST_START_TEST), (videorate_suite):
add tests for these
2006-04-28 Wim Taymans <wim@fluendo.com>
* gst-libs/gst/audio/gstringbuffer.c:

2
docs/libs/tmpl/gsttuner.sgml
View file

@ -96,8 +96,6 @@ interface for elements that provide tuner operations
@tuner:
@norm:
<!-- # Unused Parameters # -->
@channel:
<!-- ##### FUNCTION gst_tuner_set_frequency ##### -->

41
gst/videorate/gstvideorate.c
View file

@ -28,29 +28,35 @@
* used to interpolate frames (yet).
* </para>
* <para>
* By default the element will simply negotiate the same framerate on its source and
* sink pad and will adjust timestamps/insert/drop frames in case the input stream
* is not respecting that framerate.
* By default the element will simply negotiate the same framerate on its
* source and sink pad and will adjust timestamps/insert/drop frames in case
* the input stream is not respecting that framerate.
* </para>
* <para>
* A conversion to another framerate can be forced by using filtered caps on the source
* pad.
* A conversion to another framerate can be forced by using filtered caps on
* the source pad.
* </para>
* <para>
* The properties "in", "out", "duplicate" and "drop" can be read to obtain
* information about respectively received frame, outputed frame, duplicated frames
* and dropped frames.
* When the "silent" property is set to FALSE, a GObject property notification will
* be emited whenever one of the "duplicate" or "drop" values changed. This can
* potentially cause performance degradation. Also note that property notification
* will happen in the streaming thread so applications should be prepared for this.
* The properties "in", "out", "duplicate" and "drop" can be read to obtain
* information about number of input frames, output frames, dropped frames
* (i.e. the number of unused input frames) and duplicated frames (i.e. the
* number of times an input frame was duplicated, beside being used normally).
*
* An input stream that needs no adjustments will thus never have dropped or
* duplicated frames.
*
* When the "silent" property is set to FALSE, a GObject property notification
* will be emitted whenever one of the "duplicate" or "drop" values changes.
* This can potentially cause performance degradation.
* Note that property notification will happen from the streaming thread, so
* applications should be prepared for this.
* </para>
* <title>Example pipelines</title>
* <para>
* <programlisting>
* gst-launch -v filesrc location=videotestsrc.ogg ! oggdemux ! theoradec ! videorate ! video/x-raw-yuv,framerate=15/1 ! xvimagesink
* </programlisting>
* Decode an Ogg/Theora and adjust the framerate to 15 fps.
* Decode an Ogg/Theora file and adjust the framerate to 15 fps before playing.
* To create the test Ogg/Theora file refer to the documentation of theoraenc.
* </para>
* </refsect2>
@ -358,7 +364,7 @@ no_transform:
static void
gst_video_rate_reset (GstVideoRate * videorate)
{
GST_DEBUG ("resetting data");
GST_DEBUG ("resetting internal variables");
videorate->in = 0;
videorate->out = 0;
@ -450,6 +456,7 @@ static void
gst_video_rate_swap_prev (GstVideoRate * videorate, GstBuffer * buffer,
gint64 time)
{
GST_LOG_OBJECT (videorate, "swap_prev: storing buffer %p in prev", buffer);
if (videorate->prevbuf)
gst_buffer_unref (videorate->prevbuf);
videorate->prevbuf = buffer;
@ -530,7 +537,7 @@ gst_video_rate_chain (GstPad * pad, GstBuffer * buffer)
videorate = GST_VIDEO_RATE (gst_pad_get_parent (pad));
/* make sure the denominators have to be != 0 */
/* make sure the denominators are not 0 */
if (videorate->from_rate_denominator == 0 ||
videorate->to_rate_denominator == 0)
goto not_negotiated;
@ -543,9 +550,10 @@ gst_video_rate_chain (GstPad * pad, GstBuffer * buffer)
intime = gst_segment_to_running_time (&videorate->segment,
GST_FORMAT_TIME, in_ts);
/* pull in 2 buffers */
/* we need to have two buffers to compare */
if (videorate->prevbuf == NULL) {
gst_video_rate_swap_prev (videorate, buffer, intime);
videorate->in++;
videorate->next_ts = 0;
} else {
GstClockTime prevtime;
@ -639,6 +647,7 @@ done:
not_negotiated:
{
GST_WARNING_OBJECT (videorate, "no framerate negotiated");
gst_buffer_unref (buffer);
res = GST_FLOW_NOT_NEGOTIATED;
goto done;
}

1
tests/check/elements/.gitignore vendored
View file

@ -2,6 +2,7 @@
audioconvert
audioresample
audiotestsrc
videorate
videotestsrc
volume
vorbisdec

177
tests/check/elements/videorate.c
View file

@ -146,6 +146,114 @@ GST_START_TEST (test_one)
GST_END_TEST;
GST_START_TEST (test_more)
{
GstElement *videorate;
GstBuffer *first, *second, *third, *outbuffer;
GList *l;
GstCaps *caps;
videorate = setup_videorate ();
fail_unless (gst_element_set_state (videorate,
GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
"could not set to playing");
assert_videorate_stats (videorate, "creation", 0, 0, 0, 0);
/* first buffer */
first = gst_buffer_new_and_alloc (4);
GST_BUFFER_TIMESTAMP (first) = 0;
memset (GST_BUFFER_DATA (first), 1, 4);
caps = gst_caps_from_string (VIDEO_CAPS_STRING);
gst_buffer_set_caps (first, caps);
gst_caps_unref (caps);
ASSERT_BUFFER_REFCOUNT (first, "first", 1);
gst_buffer_ref (first);
/* pushing gives away my reference ... */
fail_unless (gst_pad_push (mysrcpad, first) == GST_FLOW_OK);
/* ... and it is now stuck inside videorate */
ASSERT_BUFFER_REFCOUNT (first, "first", 2);
fail_unless_equals_int (g_list_length (buffers), 0);
assert_videorate_stats (videorate, "first buffer", 1, 0, 0, 0);
/* second buffer; inbetween second and third output frame's timestamp */
second = gst_buffer_new_and_alloc (4);
GST_BUFFER_TIMESTAMP (second) = GST_SECOND * 3 / 50;
memset (GST_BUFFER_DATA (second), 2, 4);
caps = gst_caps_from_string (VIDEO_CAPS_STRING);
gst_buffer_set_caps (second, caps);
gst_caps_unref (caps);
ASSERT_BUFFER_REFCOUNT (second, "second", 1);
gst_buffer_ref (second);
/* pushing gives away one of my references ... */
fail_unless (gst_pad_push (mysrcpad, second) == GST_FLOW_OK);
/* ... and it is now stuck inside videorate */
ASSERT_BUFFER_REFCOUNT (second, "second", 2);
/* ... and the first one is pushed out, with timestamp 0 */
fail_unless_equals_int (g_list_length (buffers), 1);
assert_videorate_stats (videorate, "second buffer", 2, 1, 0, 0);
ASSERT_BUFFER_REFCOUNT (first, "first", 2);
outbuffer = buffers->data;
fail_unless_equals_uint64 (GST_BUFFER_TIMESTAMP (outbuffer), 0);
/* third buffer */
third = gst_buffer_new_and_alloc (4);
GST_BUFFER_TIMESTAMP (third) = GST_SECOND * 12 / 50;
memset (GST_BUFFER_DATA (third), 3, 4);
caps = gst_caps_from_string (VIDEO_CAPS_STRING);
gst_buffer_set_caps (third, caps);
gst_caps_unref (caps);
ASSERT_BUFFER_REFCOUNT (third, "third", 1);
gst_buffer_ref (third);
/* pushing gives away my reference ... */
fail_unless (gst_pad_push (mysrcpad, third) == GST_FLOW_OK);
/* ... and it is now stuck inside videorate */
ASSERT_BUFFER_REFCOUNT (third, "third", 2);
/* submitting the third buffer has triggered flushing of three more frames */
assert_videorate_stats (videorate, "third buffer", 3, 4, 0, 2);
/* check timestamp and source correctness */
l = buffers;
fail_unless_equals_uint64 (GST_BUFFER_TIMESTAMP (l->data), 0);
fail_unless_equals_int (GST_BUFFER_DATA (l->data)[0], 1);
l = g_list_next (l);
fail_unless_equals_uint64 (GST_BUFFER_TIMESTAMP (l->data), GST_SECOND / 25);
fail_unless_equals_int (GST_BUFFER_DATA (l->data)[0], 2);
l = g_list_next (l);
fail_unless_equals_uint64 (GST_BUFFER_TIMESTAMP (l->data),
GST_SECOND * 2 / 25);
fail_unless_equals_int (GST_BUFFER_DATA (l->data)[0], 2);
l = g_list_next (l);
fail_unless_equals_uint64 (GST_BUFFER_TIMESTAMP (l->data),
GST_SECOND * 3 / 25);
fail_unless_equals_int (GST_BUFFER_DATA (l->data)[0], 2);
fail_unless_equals_int (g_list_length (buffers), 4);
/* one held by us, three held by each output frame taken from the second */
ASSERT_BUFFER_REFCOUNT (second, "second", 4);
/* now send EOS */
fail_unless (gst_pad_push_event (mysrcpad, gst_event_new_eos ()));
/* submitting eos should flush out two more frames for tick 8 and 10 */
/* FIXME: right now it only flushes out one, so out is 5 instead of 6 ! */
assert_videorate_stats (videorate, "eos", 3, 5, 0, 2);
fail_unless_equals_int (g_list_length (buffers), 5);
/* cleanup */
gst_buffer_unref (first);
gst_buffer_unref (second);
gst_buffer_unref (third);
cleanup_videorate (videorate);
}
GST_END_TEST;
/* frames at 1, 0, 2 -> second one should be ignored */
GST_START_TEST (test_wrong_order_from_zero)
{
@ -176,8 +284,7 @@ GST_START_TEST (test_wrong_order_from_zero)
/* ... and it is now stuck inside videorate */
ASSERT_BUFFER_REFCOUNT (first, "first", 2);
fail_unless_equals_int (g_list_length (buffers), 0);
/* FIXME: in is not counted properly, should be 1 */
assert_videorate_stats (videorate, "first", 0, 0, 0, 0);
assert_videorate_stats (videorate, "first", 1, 0, 0, 0);
/* second buffer */
second = gst_buffer_new_and_alloc (4);
@ -191,13 +298,12 @@ GST_START_TEST (test_wrong_order_from_zero)
/* pushing gives away my reference ... */
fail_unless (gst_pad_push (mysrcpad, second) == GST_FLOW_OK);
/* ... and it got dropped because it was before the first */
/* ... and it is now dropped because it is too old */
ASSERT_BUFFER_REFCOUNT (second, "second", 1);
fail_unless_equals_int (g_list_length (buffers), 0);
/* ... and the first one is now dropped */
/* FIXME: still a bug with in, needs to be 2 */
assert_videorate_stats (videorate, "second", 1, 0, 1, 0);
/* ... and the first one is still there */
assert_videorate_stats (videorate, "second", 2, 0, 1, 0);
ASSERT_BUFFER_REFCOUNT (first, "first", 2);
/* third buffer */
@ -221,8 +327,7 @@ GST_START_TEST (test_wrong_order_from_zero)
ASSERT_BUFFER_REFCOUNT (first, "first", 39);
ASSERT_BUFFER_REFCOUNT (second, "second", 1);
ASSERT_BUFFER_REFCOUNT (third, "third", 2);
/* FIXME: you guessed it ... */
assert_videorate_stats (videorate, "third", 2, 38, 1, 37);
assert_videorate_stats (videorate, "third", 3, 38, 1, 37);
/* verify last buffer */
outbuffer = g_list_last (buffers)->data;
@ -269,8 +374,7 @@ GST_START_TEST (test_wrong_order)
/* ... and it is now stuck inside videorate */
ASSERT_BUFFER_REFCOUNT (first, "first", 2);
fail_unless_equals_int (g_list_length (buffers), 0);
/* FIXME: in is not counted properly, should be 1 */
assert_videorate_stats (videorate, "first", 0, 0, 0, 0);
assert_videorate_stats (videorate, "first", 1, 0, 0, 0);
/* second buffer */
second = gst_buffer_new_and_alloc (4);
@ -288,8 +392,7 @@ GST_START_TEST (test_wrong_order)
ASSERT_BUFFER_REFCOUNT (second, "second", 2);
/* and it created 13 output buffers as copies of the first frame */
fail_unless_equals_int (g_list_length (buffers), 13);
/* FIXME: guess */
assert_videorate_stats (videorate, "second", 1, 13, 0, 12);
assert_videorate_stats (videorate, "second", 2, 13, 0, 12);
ASSERT_BUFFER_REFCOUNT (first, "first", 14);
/* third buffer */
@ -312,8 +415,7 @@ GST_START_TEST (test_wrong_order)
ASSERT_BUFFER_REFCOUNT (first, "first", 14);
ASSERT_BUFFER_REFCOUNT (second, "second", 26);
/* three frames submitted; two of them output as is, and 36 duplicated */
/* FIXME: guess */
assert_videorate_stats (videorate, "third", 2, 38, 0, 36);
assert_videorate_stats (videorate, "third", 3, 38, 0, 36);
/* fourth buffer */
fourth = gst_buffer_new_and_alloc (4);
@ -327,14 +429,13 @@ GST_START_TEST (test_wrong_order)
/* pushing gives away my reference ... */
fail_unless (gst_pad_push (mysrcpad, fourth) == GST_FLOW_OK);
/* ... and it is dropped from videorate because 0 < 2 */
/* ... and it is dropped */
ASSERT_BUFFER_REFCOUNT (fourth, "fourth", 1);
fail_unless_equals_int (g_list_length (buffers), 38);
ASSERT_BUFFER_REFCOUNT (first, "first", 14); /* 13 frames pushed out */
ASSERT_BUFFER_REFCOUNT (first, "first", 14);
ASSERT_BUFFER_REFCOUNT (second, "second", 26);
/* FIXME: guess */
assert_videorate_stats (videorate, "fourth", 3, 38, 1, 36);
assert_videorate_stats (videorate, "fourth", 4, 38, 1, 36);
/* verify last buffer */
outbuffer = g_list_last (buffers)->data;
@ -342,6 +443,7 @@ GST_START_TEST (test_wrong_order)
fail_unless_equals_uint64 (GST_BUFFER_TIMESTAMP (outbuffer),
GST_SECOND * 37 / 25);
/* cleanup */
gst_buffer_unref (first);
gst_buffer_unref (second);
@ -352,6 +454,42 @@ GST_START_TEST (test_wrong_order)
GST_END_TEST;
/* if no framerate is negotiated, we should not be able to push a buffer */
GST_START_TEST (test_no_framerate)
{
GstElement *videorate;
GstBuffer *inbuffer, *outbuffer;
GstCaps *caps;
videorate = setup_videorate ();
fail_unless (gst_element_set_state (videorate,
GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
"could not set to playing");
inbuffer = gst_buffer_new_and_alloc (4);
memset (GST_BUFFER_DATA (inbuffer), 0, 4);
caps = gst_caps_from_string (VIDEO_CAPS_NO_FRAMERATE_STRING);
gst_buffer_set_caps (inbuffer, caps);
gst_caps_unref (caps);
ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
/* take a ref so we can later check refcount */
gst_buffer_ref (inbuffer);
/* no framerate is negotiated so pushing should fail */
fail_if (gst_pad_push (mysrcpad, inbuffer) == GST_FLOW_OK);
ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
gst_buffer_unref (inbuffer);
fail_unless_equals_int (g_list_length (buffers), 0);
/* cleanup */
cleanup_videorate (videorate);
}
GST_END_TEST;
Suite *
videorate_suite (void)
{
@ -359,8 +497,11 @@ videorate_suite (void)
TCase *tc_chain = tcase_create ("general");
suite_add_tcase (s, tc_chain);
tcase_add_test (tc_chain, test_one);
tcase_add_test (tc_chain, test_more);
tcase_add_test (tc_chain, test_wrong_order_from_zero);
tcase_add_test (tc_chain, test_wrong_order);
tcase_add_test (tc_chain, test_no_framerate);
return s;
}