gstreamer/tests/check/elements/decodebin.c
2012-11-03 23:05:09 +00:00

372 lines
12 KiB
C

/* GStreamer unit tests for decodebin
*
* Copyright (C) 2006 Tim-Philipp Müller <tim centricular net>
* Copyright (C) 2011 Hewlett-Packard Development Company, L.P.
*
* 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/check/gstcheck.h>
#include <gst/base/gstbaseparse.h>
#include <unistd.h>
static const gchar dummytext[] =
"Quick Brown Fox Jumps over a Lazy Frog Quick Brown "
"Fox Jumps over a Lazy Frog Quick Brown Fox Jumps over a Lazy Frog Quick "
"Brown Fox Jumps over a Lazy Frog Quick Brown Fox Jumps over a Lazy Frog "
"Quick Brown Fox Jumps over a Lazy Frog Quick Brown Fox Jumps over a Lazy "
"Frog Quick Brown Fox Jumps over a Lazy Frog Quick Brown Fox Jumps over a "
"Lazy Frog Quick Brown Fox Jumps over a Lazy Frog Quick Brown Fox Jumps "
"over a Lazy Frog Quick Brown Fox Jumps over a Lazy Frog Quick Brown Fox "
"jumps over a Lazy Frog Quick Brown Fox Jumps over a Lazy Frog Quick Brown "
"Fox Jumps over a Lazy Frog Quick Brown Fox Jumps over a Lazy Frog Quick "
"Brown Fox Jumps over a Lazy Frog Quick Brown Fox Jumps over a Lazy Frog "
"Quick Brown Fox Jumps over a Lazy Frog Quick Brown Fox Jumps over a Lazy "
"Frog Quick Brown Fox Jumps over a Lazy Frog Quick Brown Fox Jumps over a "
"Lazy Frog Quick Brown Fox Jumps over a Lazy Frog Quick Brown Fox Jumps "
"over a Lazy Frog Quick Brown Fox Jumps over a Lazy Frog Quick Brown Fox ";
static void
src_need_data_cb (GstElement * src, guint size, gpointer data)
{
GstBuffer *buf;
GstFlowReturn ret;
buf = gst_buffer_new ();
gst_buffer_append_memory (buf,
gst_memory_new_wrapped (GST_MEMORY_FLAG_READONLY,
(gpointer) dummytext, sizeof (dummytext), 0,
sizeof (dummytext), NULL, NULL));
GST_BUFFER_OFFSET (buf) = 0;
g_signal_emit_by_name (src, "push-buffer", buf, &ret);
gst_buffer_unref (buf);
fail_unless (ret == GST_FLOW_OK);
}
static void
decodebin_pad_added_cb (GstElement * decodebin, GstPad * pad, gboolean * p_flag)
{
/* we should not be reached */
fail_unless (decodebin == NULL, "pad-added should not be emitted");
}
/* make sure that decodebin errors out instead of creating a new decoded pad
* if the entire stream is a plain text file */
GST_START_TEST (test_text_plain_streams)
{
GstElement *pipe, *src, *decodebin;
GstMessage *msg;
pipe = gst_pipeline_new (NULL);
fail_unless (pipe != NULL, "failed to create pipeline");
src = gst_element_factory_make ("appsrc", "src");
fail_unless (src != NULL, "Failed to create appsrc element");
g_object_set (src, "emit-signals", TRUE, NULL);
g_object_set (src, "num-buffers", 1, NULL);
g_signal_connect (src, "need-data", G_CALLBACK (src_need_data_cb), NULL);
decodebin = gst_element_factory_make ("decodebin", "decodebin");
fail_unless (decodebin != NULL, "Failed to create decodebin element");
g_signal_connect (decodebin, "pad-added",
G_CALLBACK (decodebin_pad_added_cb), NULL);
fail_unless (gst_bin_add (GST_BIN (pipe), src));
fail_unless (gst_bin_add (GST_BIN (pipe), decodebin));
fail_unless (gst_element_link (src, decodebin), "can't link src<->decodebin");
fail_unless_equals_int (gst_element_set_state (pipe, GST_STATE_READY),
GST_STATE_CHANGE_SUCCESS);
/* it's push-based, so should be async */
fail_unless_equals_int (gst_element_set_state (pipe, GST_STATE_PAUSED),
GST_STATE_CHANGE_ASYNC);
/* it should error out at some point */
msg = gst_bus_poll (GST_ELEMENT_BUS (pipe), GST_MESSAGE_ERROR, -1);
fail_unless (msg != NULL);
fail_unless (GST_MESSAGE_TYPE (msg) == GST_MESSAGE_ERROR);
gst_message_unref (msg);
gst_element_set_state (pipe, GST_STATE_NULL);
gst_object_unref (pipe);
}
GST_END_TEST;
static void
pad_added_plug_fakesink_cb (GstElement * decodebin, GstPad * srcpad,
GstElement * pipeline)
{
GstElement *sink;
GstPad *sinkpad;
GST_LOG ("Linking fakesink");
sink = gst_element_factory_make ("fakesink", "sink");
fail_unless (sink != NULL, "Failed to create fakesink element");
gst_bin_add (GST_BIN (pipeline), sink);
sinkpad = gst_element_get_static_pad (sink, "sink");
fail_unless_equals_int (gst_pad_link (srcpad, sinkpad), GST_PAD_LINK_OK);
gst_object_unref (sinkpad);
gst_element_set_state (sink, GST_STATE_PLAYING);
}
GST_START_TEST (test_reuse_without_decoders)
{
GstElement *pipe, *src, *decodebin, *sink;
pipe = gst_pipeline_new (NULL);
fail_unless (pipe != NULL, "failed to create pipeline");
src = gst_element_factory_make ("audiotestsrc", "src");
fail_unless (src != NULL, "Failed to create audiotestsrc element");
decodebin = gst_element_factory_make ("decodebin", "decodebin");
fail_unless (decodebin != NULL, "Failed to create decodebin element");
g_signal_connect (decodebin, "pad-added",
G_CALLBACK (pad_added_plug_fakesink_cb), pipe);
fail_unless (gst_bin_add (GST_BIN (pipe), src));
fail_unless (gst_bin_add (GST_BIN (pipe), decodebin));
fail_unless (gst_element_link (src, decodebin), "can't link src<->decodebin");
fail_unless_equals_int (gst_element_set_state (pipe, GST_STATE_READY),
GST_STATE_CHANGE_SUCCESS);
/* it's push-based, so should be async */
fail_unless_equals_int (gst_element_set_state (pipe, GST_STATE_PAUSED),
GST_STATE_CHANGE_ASYNC);
/* wait for state change to complete */
fail_unless_equals_int (gst_element_get_state (pipe, NULL, NULL, -1),
GST_STATE_CHANGE_SUCCESS);
/* there shouldn't be any errors */
fail_if (gst_bus_poll (GST_ELEMENT_BUS (pipe), GST_MESSAGE_ERROR, 0) != NULL);
GST_DEBUG ("Resetting pipeline");
/* reset */
gst_element_set_state (pipe, GST_STATE_READY);
sink = gst_bin_get_by_name (GST_BIN (pipe), "sink");
gst_bin_remove (GST_BIN (pipe), sink);
gst_element_set_state (sink, GST_STATE_NULL);
gst_object_unref (sink);
GST_LOG ("second try");
fail_unless_equals_int (gst_element_set_state (pipe, GST_STATE_READY),
GST_STATE_CHANGE_SUCCESS);
/* it's push-based, so should be async */
fail_unless_equals_int (gst_element_set_state (pipe, GST_STATE_PAUSED),
GST_STATE_CHANGE_ASYNC);
/* wait for state change to complete */
fail_unless_equals_int (gst_element_get_state (pipe, NULL, NULL, -1),
GST_STATE_CHANGE_SUCCESS);
/* there shouldn't be any errors */
fail_if (gst_bus_poll (GST_ELEMENT_BUS (pipe), GST_MESSAGE_ERROR, 0) != NULL);
gst_element_set_state (pipe, GST_STATE_NULL);
gst_object_unref (pipe);
}
GST_END_TEST;
/* Fake mp3 parser for test */
typedef GstBaseParse TestMpegAudioParse;
typedef GstBaseParseClass TestMpegAudioParseClass;
static GstStaticPadTemplate src_template = GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("audio/mpeg, mpegversion=1, layer=[1,3], parsed=(b)true")
);
static GstStaticPadTemplate sink_template = GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("audio/mpeg, mpegversion=1, parsed=(bool) { false, true }")
);
static GType test_mpeg_audio_parse_get_type (void);
static gboolean test_mpeg_audio_parse_start (GstBaseParse * parse);
static gboolean test_mpeg_audio_parse_stop (GstBaseParse * parse);
static GstFlowReturn test_mpeg_audio_parse_handle_frame (GstBaseParse * parse,
GstBaseParseFrame * frame, gint * skipsize);
G_DEFINE_TYPE (TestMpegAudioParse, test_mpeg_audio_parse, GST_TYPE_BASE_PARSE);
static void
test_mpeg_audio_parse_class_init (TestMpegAudioParseClass * klass)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
GstBaseParseClass *parse_class = GST_BASE_PARSE_CLASS (klass);
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&sink_template));
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&src_template));
gst_element_class_set_metadata (element_class, "MPEG1 Audio Parser",
"Codec/Parser/Audio", "Pretends to parse mpeg1 audio stream",
"Foo Bar <foo@bar.com>");
parse_class->start = test_mpeg_audio_parse_start;
parse_class->stop = test_mpeg_audio_parse_stop;
parse_class->handle_frame = test_mpeg_audio_parse_handle_frame;
}
static gint num_parse_instances = 0;
static void
test_mpeg_audio_parse_init (TestMpegAudioParse * mp3parse)
{
/* catch decodebin plugging parsers in a loop early */
fail_unless (++num_parse_instances < 10);
}
static gboolean
test_mpeg_audio_parse_start (GstBaseParse * parse)
{
gst_base_parse_set_min_frame_size (parse, 6);
return TRUE;
}
static gboolean
test_mpeg_audio_parse_stop (GstBaseParse * parse)
{
return TRUE;
}
static GstFlowReturn
test_mpeg_audio_parse_handle_frame (GstBaseParse * parse,
GstBaseParseFrame * frame, gint * skipsize)
{
guint8 data[2];
gst_buffer_extract (frame->buffer, 0, data, 2);
if ((GST_READ_UINT16_BE (data) & 0xffe0) == 0xffe0) {
if (GST_BUFFER_OFFSET (frame->buffer) == 0) {
GstCaps *caps;
caps = gst_caps_new_simple ("audio/mpeg", "mpegversion", G_TYPE_INT, 1,
"mpegaudioversion", G_TYPE_INT, 1, "layer", G_TYPE_INT, 3,
"rate", G_TYPE_INT, 44100, "channels", G_TYPE_INT, 2, NULL);
gst_pad_set_caps (GST_BASE_PARSE_SRC_PAD (parse), caps);
gst_caps_unref (caps);
}
/* this framesize is hard-coded for ../test.mp3 */
return gst_base_parse_finish_frame (parse, frame, 1045);
} else {
*skipsize = 1;
return GST_FLOW_OK;
}
}
static gboolean
plugin_init (GstPlugin * plugin)
{
return gst_element_register (plugin, "testmpegaudioparse", GST_RANK_NONE,
test_mpeg_audio_parse_get_type ());
}
GST_START_TEST (test_mp3_parser_loop)
{
GstStateChangeReturn sret;
GstPluginFeature *feature;
GstMessage *msg;
GstElement *pipe, *src, *dec;
gchar *path;
num_parse_instances = 0;
gst_plugin_register_static (GST_VERSION_MAJOR, GST_VERSION_MINOR,
"fakemp3parse", "fakemp3parse", plugin_init, VERSION, "LGPL",
"gst-plugins-base", GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN);
feature = gst_registry_find_feature (gst_registry_get (),
"testmpegaudioparse", GST_TYPE_ELEMENT_FACTORY);
gst_plugin_feature_set_rank (feature, GST_RANK_PRIMARY + 100);
pipe = gst_pipeline_new (NULL);
src = gst_element_factory_make ("filesrc", NULL);
fail_unless (src != NULL);
path = g_build_filename (GST_TEST_FILES_PATH, "test.mp3", NULL);
g_object_set (src, "location", path, NULL);
g_free (path);
dec = gst_element_factory_make ("decodebin", NULL);
fail_unless (dec != NULL);
gst_bin_add_many (GST_BIN (pipe), src, dec, NULL);
gst_element_link_many (src, dec, NULL);
sret = gst_element_set_state (pipe, GST_STATE_PLAYING);
fail_unless_equals_int (sret, GST_STATE_CHANGE_ASYNC);
/* wait for unlinked error */
msg = gst_bus_timed_pop_filtered (GST_ELEMENT_BUS (pipe),
GST_CLOCK_TIME_NONE, GST_MESSAGE_ERROR);
gst_message_unref (msg);
gst_element_set_state (pipe, GST_STATE_NULL);
gst_object_unref (pipe);
/* make sure out parser got plugged at all though */
fail_unless_equals_int (num_parse_instances, 1);
/* don't want to interfere with any other of the other tests */
gst_plugin_feature_set_rank (feature, GST_RANK_NONE);
gst_object_unref (feature);
}
GST_END_TEST;
static Suite *
decodebin_suite (void)
{
Suite *s = suite_create ("decodebin");
TCase *tc_chain = tcase_create ("general");
suite_add_tcase (s, tc_chain);
tcase_add_test (tc_chain, test_text_plain_streams);
tcase_add_test (tc_chain, test_reuse_without_decoders);
tcase_add_test (tc_chain, test_mp3_parser_loop);
return s;
}
GST_CHECK_MAIN (decodebin);