gstreamer/tests/check/pipelines/seek.c

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/* GStreamer simple seek unit test
* Copyright (C) 2012 Collabora Ltd.
* Author: Tim-Philipp Müller <tim.muller@collabora.co.uk>
* Copyright (C) Julien Isorce <jisorce@oblong.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <gst/gst.h>
#include <gst/base/gstbaseparse.h>
#include <gst/base/gstbasesrc.h>
#include <gst/check/gstcheck.h>
#include <gst/check/gstconsistencychecker.h>
/* ========================================================================
* Dummy source, like a stripped down audio test source
* ======================================================================== */
#define SAMPLERATE 44100
#define CHUNKS_PER_SEC 10
typedef struct
{
GstBaseSrc parent;
GstClockTime next_time;
} TimedTestSrc;
typedef struct
{
GstBaseSrcClass parent_class;
} TimedTestSrcClass;
static GstStaticPadTemplate timed_test_src_src_template =
GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("timed/audio"));
static GType timed_test_src_get_type (void);
G_DEFINE_TYPE (TimedTestSrc, timed_test_src, GST_TYPE_BASE_SRC);
static gboolean timed_test_src_is_seekable (GstBaseSrc * basesrc);
static gboolean timed_test_src_do_seek (GstBaseSrc * basesrc,
GstSegment * segment);
static gboolean timed_test_src_start (GstBaseSrc * basesrc);
static gboolean timed_test_src_stop (GstBaseSrc * basesrc);
static GstFlowReturn timed_test_src_create (GstBaseSrc * basesrc,
guint64 offset, guint length, GstBuffer ** buffer);
static void
timed_test_src_class_init (TimedTestSrcClass * klass)
{
GstBaseSrcClass *gstbasesrc_class = (GstBaseSrcClass *) klass;
gstbasesrc_class->is_seekable = timed_test_src_is_seekable;
gstbasesrc_class->do_seek = timed_test_src_do_seek;
gstbasesrc_class->start = timed_test_src_start;
gstbasesrc_class->stop = timed_test_src_stop;
gstbasesrc_class->create = timed_test_src_create;
gst_element_class_add_static_pad_template (GST_ELEMENT_CLASS (klass),
&timed_test_src_src_template);
}
static void
timed_test_src_init (TimedTestSrc * src)
{
gst_base_src_set_format (GST_BASE_SRC (src), GST_FORMAT_TIME);
gst_base_src_set_live (GST_BASE_SRC (src), FALSE);
}
static gboolean
timed_test_src_start (GstBaseSrc * basesrc)
{
TimedTestSrc *src = (TimedTestSrc *) basesrc;
src->next_time = 0;
return TRUE;
}
static gboolean
timed_test_src_stop (GstBaseSrc * basesrc)
{
return TRUE;
}
static gboolean
timed_test_src_do_seek (GstBaseSrc * basesrc, GstSegment * segment)
{
TimedTestSrc *src = (TimedTestSrc *) basesrc;
src->next_time = segment->position;
return TRUE;
}
static gboolean
timed_test_src_is_seekable (GstBaseSrc * basesrc)
{
return TRUE;
}
static GstFlowReturn
timed_test_src_create (GstBaseSrc * basesrc, guint64 offset, guint length,
GstBuffer ** buf)
{
TimedTestSrc *src = (TimedTestSrc *) basesrc;
*buf = gst_buffer_new_and_alloc (SAMPLERATE / CHUNKS_PER_SEC);
GST_BUFFER_TIMESTAMP (*buf) = src->next_time;
GST_BUFFER_DURATION (*buf) = GST_SECOND / CHUNKS_PER_SEC;
src->next_time += GST_BUFFER_DURATION (*buf);
return GST_FLOW_OK;
}
/* ========================================================================
* Dummy parser
* ======================================================================== */
typedef struct
{
GstBaseParse parent;
gboolean caps_set;
} DummyParser;
typedef struct
{
GstBaseParseClass parent_class;
} DummyParserClass;
static GType dummy_parser_get_type (void);
G_DEFINE_TYPE (DummyParser, dummy_parser, GST_TYPE_BASE_PARSE);
static gboolean
dummy_parser_start (GstBaseParse * parse)
{
return TRUE;
}
static gboolean
dummy_parser_stop (GstBaseParse * parse)
{
return TRUE;
}
static GstFlowReturn
dummy_parser_handle_frame (GstBaseParse * parse,
GstBaseParseFrame * frame, gint * skipsize)
{
if (((DummyParser *) parse)->caps_set == FALSE) {
GstCaps *caps;
/* push caps */
caps = gst_caps_new_empty_simple ("ANY");
gst_pad_set_caps (GST_BASE_PARSE_SRC_PAD (parse), caps);
gst_caps_unref (caps);
((DummyParser *) parse)->caps_set = TRUE;
}
GST_BUFFER_DURATION (frame->buffer) = GST_SECOND / 10;
return gst_base_parse_finish_frame (parse, frame,
gst_buffer_get_size (frame->buffer));
}
static gboolean
dummy_parser_set_sink_caps (GstBaseParse * parse, GstCaps * caps)
{
gst_pad_set_caps (GST_BASE_PARSE_SRC_PAD (parse), caps);
return TRUE;
}
static gboolean
dummy_parser_src_event (GstBaseParse * parse, GstEvent * event)
{
switch (GST_EVENT_TYPE (event)) {
default:
GST_INFO ("src event %s", GST_EVENT_TYPE_NAME (event));
break;
}
return GST_BASE_PARSE_CLASS (dummy_parser_parent_class)->src_event (parse,
event);
}
static void
dummy_parser_class_init (DummyParserClass * klass)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
GstBaseParseClass *baseparse_class = GST_BASE_PARSE_CLASS (klass);
static GstStaticPadTemplate sink_templ = GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK, GST_PAD_ALWAYS,
GST_STATIC_CAPS_ANY);
static GstStaticPadTemplate src_templ = GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC, GST_PAD_ALWAYS,
GST_STATIC_CAPS_ANY);
gst_element_class_add_static_pad_template (element_class, &sink_templ);
gst_element_class_add_static_pad_template (element_class, &src_templ);
gst_element_class_set_metadata (element_class,
"DummyParser", "Parser/Video", "empty", "empty");
baseparse_class->start = GST_DEBUG_FUNCPTR (dummy_parser_start);
baseparse_class->stop = GST_DEBUG_FUNCPTR (dummy_parser_stop);
baseparse_class->handle_frame = GST_DEBUG_FUNCPTR (dummy_parser_handle_frame);
baseparse_class->set_sink_caps =
GST_DEBUG_FUNCPTR (dummy_parser_set_sink_caps);
baseparse_class->src_event = GST_DEBUG_FUNCPTR (dummy_parser_src_event);
}
static void
dummy_parser_init (DummyParser * parser)
{
parser->caps_set = FALSE;
}
/* ======================================================================== */
GST_START_TEST (test_seek)
{
GstMessage *msg;
GstElement *bin, *src1, *sink;
gboolean res;
GstPad *srcpad;
GstBus *bus;
GST_INFO ("preparing test");
/* build pipeline */
bin = gst_pipeline_new ("pipeline");
bus = gst_element_get_bus (bin);
gst_bus_add_signal_watch_full (bus, G_PRIORITY_HIGH);
src1 = g_object_new (timed_test_src_get_type (), "name", "testsrc", NULL);
sink = gst_element_factory_make ("fakesink", "sink");
gst_bin_add_many (GST_BIN (bin), src1, sink, NULL);
res = gst_element_link (src1, sink);
fail_unless (res == TRUE, NULL);
srcpad = gst_element_get_static_pad (src1, "src");
gst_object_unref (srcpad);
GST_INFO ("starting test");
/* prepare playing */
res = gst_element_set_state (bin, GST_STATE_PAUSED);
fail_unless (res != GST_STATE_CHANGE_FAILURE, NULL);
/* wait for completion */
res =
gst_element_get_state (GST_ELEMENT (bin), NULL, NULL,
GST_CLOCK_TIME_NONE);
fail_unless (res != GST_STATE_CHANGE_FAILURE, NULL);
res = gst_element_send_event (bin,
gst_event_new_seek (1.0, GST_FORMAT_TIME, GST_SEEK_FLAG_FLUSH,
GST_SEEK_TYPE_SET, (GstClockTime) 0,
GST_SEEK_TYPE_SET, (GstClockTime) 2 * GST_SECOND));
fail_unless (res == TRUE, NULL);
GST_INFO ("seeked");
/* run pipeline */
res = gst_element_set_state (bin, GST_STATE_PLAYING);
fail_unless (res != GST_STATE_CHANGE_FAILURE, NULL);
msg = gst_bus_timed_pop_filtered (bus, GST_CLOCK_TIME_NONE,
GST_MESSAGE_EOS | GST_MESSAGE_ERROR);
fail_unless_equals_string (GST_MESSAGE_TYPE_NAME (msg), "eos");
gst_message_unref (msg);
res = gst_element_set_state (bin, GST_STATE_NULL);
fail_unless (res != GST_STATE_CHANGE_FAILURE, NULL);
/* cleanup */
gst_bus_remove_signal_watch (bus);
gst_object_unref (bus);
gst_object_unref (bin);
}
GST_END_TEST;
/* This test checks that the pipeline does not wait for nothing after
* sending the non-flush seek event. */
GST_START_TEST (test_loopback_1)
{
GstMessage *msg;
GstElement *bin, *source, *parser, *sink;
gboolean res;
GstPad *sinkpad;
GstBus *bus;
guint seek_flags;
GST_INFO
("construct the test pipeline fakesrc ! testparse ! fakesink sync=1");
bin = gst_pipeline_new ("pipeline");
bus = gst_element_get_bus (bin);
gst_bus_add_signal_watch_full (bus, G_PRIORITY_HIGH);
source = gst_element_factory_make ("fakesrc", "source");
parser = g_object_new (dummy_parser_get_type (), "name", "testparse", NULL);
sink = gst_element_factory_make ("fakesink", "sink");
gst_bin_add_many (GST_BIN (bin), source, parser, sink, NULL);
res = gst_element_link (source, parser);
fail_unless (res == TRUE, NULL);
res = gst_element_link (parser, sink);
fail_unless (res == TRUE, NULL);
GST_INFO ("configure elements");
g_object_set (G_OBJECT (source),
"format", GST_FORMAT_BYTES,
"can-activate-pull", TRUE,
"can-activate-push", FALSE,
"is-live", FALSE,
"sizemax", 65536, "sizetype", 2 /* FAKE_SRC_SIZETYPE_FIXED */ ,
"num-buffers", 35, NULL);
/* Sync true is required for this test. */
g_object_set (G_OBJECT (sink), "sync", TRUE, NULL);
GST_INFO ("set paused state");
res = gst_element_set_state (bin, GST_STATE_PAUSED);
fail_unless (res != GST_STATE_CHANGE_FAILURE, NULL);
GST_INFO ("wait for completion");
res =
gst_element_get_state (GST_ELEMENT (bin), NULL, NULL,
GST_CLOCK_TIME_NONE);
fail_unless (res != GST_STATE_CHANGE_FAILURE, NULL);
GST_INFO ("paused state reached");
fail_unless (GST_BASE_SRC (source)->random_access);
sinkpad = gst_element_get_static_pad (parser, "sink");
fail_unless (GST_PAD_MODE (sinkpad) == GST_PAD_MODE_PULL);
gst_object_unref (sinkpad);
GST_INFO ("flush seek");
seek_flags =
GST_SEEK_FLAG_FLUSH | GST_SEEK_FLAG_ACCURATE | GST_SEEK_FLAG_SEGMENT;
res = gst_element_seek (bin, 1.0, GST_FORMAT_TIME, seek_flags,
GST_SEEK_TYPE_SET, (GstClockTime) 0,
GST_SEEK_TYPE_SET, (GstClockTime) 2 * GST_SECOND);
fail_unless (res == TRUE, NULL);
GST_INFO ("set playing state");
res = gst_element_set_state (bin, GST_STATE_PLAYING);
fail_unless (res != GST_STATE_CHANGE_FAILURE, NULL);
msg = gst_bus_timed_pop_filtered (bus, GST_CLOCK_TIME_NONE,
GST_MESSAGE_SEGMENT_DONE | GST_MESSAGE_ERROR);
fail_unless_equals_string (GST_MESSAGE_TYPE_NAME (msg), "segment-done");
gst_message_unref (msg);
GST_INFO ("warm-up sequence done");
seek_flags &= ~GST_SEEK_FLAG_FLUSH;
fail_if (seek_flags & GST_SEEK_FLAG_FLUSH, NULL);
GST_INFO ("non-flush seek");
res =
gst_element_seek (bin, 1.0, GST_FORMAT_TIME, seek_flags,
GST_SEEK_TYPE_SET, (GstClockTime) 0, GST_SEEK_TYPE_SET,
(GstClockTime) 3 * GST_SECOND);
fail_unless (res == TRUE, NULL);
GST_INFO ("wait for segment done message");
msg = gst_bus_timed_pop_filtered (bus, (GstClockTime) 2 * GST_SECOND,
GST_MESSAGE_SEGMENT_DONE | GST_MESSAGE_ERROR);
/* Make sure the pipeline is not waiting for nothing because the base time is
* screwed up. */
fail_unless (msg, "no message within the timed window");
fail_unless_equals_string (GST_MESSAGE_TYPE_NAME (msg), "segment-done");
res = gst_element_set_state (bin, GST_STATE_NULL);
fail_unless (res != GST_STATE_CHANGE_FAILURE, NULL);
/* cleanup */
gst_bus_remove_signal_watch (bus);
gst_object_unref (bus);
gst_object_unref (bin);
}
GST_END_TEST;
/* This test checks that the pipeline does not play the media instantly
* after sending the non-flush seek event. */
GST_START_TEST (test_loopback_2)
{
GstMessage *msg;
GstElement *bin, *source, *parser, *sink;
gboolean res;
GstPad *sinkpad;
GstBus *bus;
guint seek_flags;
gint64 position = GST_CLOCK_TIME_NONE;
gint64 playback_duration = GST_CLOCK_TIME_NONE;
gint64 start_absolute_time = GST_CLOCK_TIME_NONE;
GST_INFO
("construct the test pipeline fakesrc ! testparse ! fakesink sync=1");
bin = gst_pipeline_new ("pipeline");
bus = gst_element_get_bus (bin);
gst_bus_add_signal_watch_full (bus, G_PRIORITY_HIGH);
source = gst_element_factory_make ("fakesrc", "source");
parser = g_object_new (dummy_parser_get_type (), "name", "testparse", NULL);
sink = gst_element_factory_make ("fakesink", "sink");
gst_bin_add_many (GST_BIN (bin), source, parser, sink, NULL);
res = gst_element_link (source, parser);
fail_unless (res == TRUE, NULL);
res = gst_element_link (parser, sink);
fail_unless (res == TRUE, NULL);
GST_INFO ("configure elements");
g_object_set (G_OBJECT (source),
"format", GST_FORMAT_BYTES,
"can-activate-pull", TRUE,
"can-activate-push", FALSE,
"is-live", FALSE,
"sizemax", 65536, "sizetype", 2 /* FAKE_SRC_SIZETYPE_FIXED */ ,
NULL);
/* Sync true is required for this test. */
g_object_set (G_OBJECT (sink), "sync", TRUE, NULL);
GST_INFO ("set paused state");
res = gst_element_set_state (bin, GST_STATE_PAUSED);
fail_unless (res != GST_STATE_CHANGE_FAILURE, NULL);
GST_INFO ("wait for completion");
res =
gst_element_get_state (GST_ELEMENT (bin), NULL, NULL,
GST_CLOCK_TIME_NONE);
fail_unless (res != GST_STATE_CHANGE_FAILURE, NULL);
GST_INFO ("paused state reached");
fail_unless (GST_BASE_SRC (source)->random_access);
sinkpad = gst_element_get_static_pad (parser, "sink");
fail_unless (GST_PAD_MODE (sinkpad) == GST_PAD_MODE_PULL);
gst_object_unref (sinkpad);
GST_INFO ("flush seek");
seek_flags =
GST_SEEK_FLAG_FLUSH | GST_SEEK_FLAG_ACCURATE | GST_SEEK_FLAG_SEGMENT;
res = gst_element_seek (bin, 1.0, GST_FORMAT_TIME, seek_flags,
GST_SEEK_TYPE_SET, (GstClockTime) 0,
GST_SEEK_TYPE_SET, (GstClockTime) 2 * GST_SECOND);
fail_unless (res == TRUE, NULL);
GST_INFO ("set playing state");
res = gst_element_set_state (bin, GST_STATE_PLAYING);
fail_unless (res != GST_STATE_CHANGE_FAILURE, NULL);
msg = gst_bus_timed_pop_filtered (bus, GST_CLOCK_TIME_NONE,
GST_MESSAGE_SEGMENT_DONE | GST_MESSAGE_ERROR);
fail_unless_equals_string (GST_MESSAGE_TYPE_NAME (msg), "segment-done");
gst_message_unref (msg);
GST_INFO ("warm-up sequence done");
seek_flags &= ~GST_SEEK_FLAG_FLUSH;
fail_if (seek_flags & GST_SEEK_FLAG_FLUSH, NULL);
GST_INFO ("non-flush seek");
start_absolute_time = gst_clock_get_time (GST_ELEMENT_CLOCK (bin));
res =
gst_element_seek (bin, 1.0, GST_FORMAT_TIME, seek_flags,
GST_SEEK_TYPE_SET, (GstClockTime) 0, GST_SEEK_TYPE_SET,
(GstClockTime) 2 * GST_SECOND);
fail_unless (res == TRUE, NULL);
GST_INFO ("wait for segment done message");
msg = gst_bus_timed_pop_filtered (bus, (GstClockTime) 2 * GST_SECOND,
GST_MESSAGE_SEGMENT_DONE | GST_MESSAGE_ERROR);
fail_unless (msg, "no message within the timed window");
fail_unless_equals_string (GST_MESSAGE_TYPE_NAME (msg), "segment-done");
gst_message_parse_segment_done (msg, NULL, &position);
gst_message_unref (msg);
GST_INFO ("final position: %" G_GINT64_FORMAT, position);
fail_unless (position == 2 * GST_SECOND);
playback_duration =
GST_CLOCK_DIFF (start_absolute_time,
gst_clock_get_time (GST_ELEMENT_CLOCK (bin)));
GST_INFO ("test duration: %" G_GINT64_FORMAT, playback_duration);
fail_unless (playback_duration > GST_SECOND,
"playback duration should be near 2 seconds");
res = gst_element_set_state (bin, GST_STATE_NULL);
fail_unless (res != GST_STATE_CHANGE_FAILURE, NULL);
/* cleanup */
gst_bus_remove_signal_watch (bus);
gst_object_unref (bus);
gst_object_unref (bin);
}
GST_END_TEST;
static Suite *
pipelines_seek_suite (void)
{
Suite *s = suite_create ("pipelines-seek");
TCase *tc_chain = tcase_create ("general");
suite_add_tcase (s, tc_chain);
tcase_add_test (tc_chain, test_seek);
tcase_add_test (tc_chain, test_loopback_1);
tcase_add_test (tc_chain, test_loopback_2);
return s;
}
GST_CHECK_MAIN (pipelines_seek);