gstreamer/tests/check/elements/deinterleave.c

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/* GStreamer unit tests for the interleave element
* Copyright (C) 2008 Sebastian Dröge <slomo@circular-chaos.org>
*
* 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., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <gst/check/gstcheck.h>
#include <gst/audio/multichannel.h>
GST_START_TEST (test_create_and_unref)
{
GstElement *deinterleave;
deinterleave = gst_element_factory_make ("deinterleave", NULL);
fail_unless (deinterleave != NULL);
gst_element_set_state (deinterleave, GST_STATE_NULL);
gst_object_unref (deinterleave);
}
GST_END_TEST;
static GstPad *mysrcpad, **mysinkpads;
static gint nsinkpads;
static GstBus *bus;
static GstElement *deinterleave;
static GstStaticPadTemplate sinktemplate = GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("audio/x-raw-float, "
"width = (int) 32, "
"channels = (int) 1, "
"rate = (int) {32000, 48000}, " "endianness = (int) BYTE_ORDER"));
static GstStaticPadTemplate srctemplate = GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("audio/x-raw-float, "
"width = (int) 32, "
"channels = (int) { 2, 3 }, "
"rate = (int) {32000, 48000}, " "endianness = (int) BYTE_ORDER"));
#define CAPS_32khz \
"audio/x-raw-float, " \
"width = (int) 32, " \
"channels = (int) 2, " \
"rate = (int) 32000, " \
"endianness = (int) BYTE_ORDER"
#define CAPS_48khz \
"audio/x-raw-float, " \
"width = (int) 32, " \
"channels = (int) 2, " \
"rate = (int) 48000, " \
"endianness = (int) BYTE_ORDER"
#define CAPS_48khz_3CH \
"audio/x-raw-float, " \
"width = (int) 32, " \
"channels = (int) 3, " \
"rate = (int) 48000, " \
"endianness = (int) BYTE_ORDER"
static GstFlowReturn
deinterleave_chain_func (GstPad * pad, GstBuffer * buffer)
{
gint i;
gfloat *indata;
fail_unless (GST_IS_BUFFER (buffer));
fail_unless_equals_int (GST_BUFFER_SIZE (buffer), 48000 * sizeof (gfloat));
fail_unless (GST_BUFFER_DATA (buffer) != NULL);
indata = (gfloat *) GST_BUFFER_DATA (buffer);
if (strcmp (GST_PAD_NAME (pad), "sink0") == 0) {
for (i = 0; i < 48000; i++)
fail_unless_equals_float (indata[i], -1.0);
} else if (strcmp (GST_PAD_NAME (pad), "sink1") == 0) {
for (i = 0; i < 48000; i++)
fail_unless_equals_float (indata[i], 1.0);
} else {
g_assert_not_reached ();
}
gst_buffer_unref (buffer);
return GST_FLOW_OK;
}
static void
deinterleave_pad_added (GstElement * src, GstPad * pad, gpointer data)
{
gchar *name;
gint link = GPOINTER_TO_INT (data);
if (nsinkpads >= link)
return;
name = g_strdup_printf ("sink%d", nsinkpads);
mysinkpads[nsinkpads] =
gst_pad_new_from_static_template (&sinktemplate, name);
g_free (name);
fail_if (mysinkpads[nsinkpads] == NULL);
gst_pad_set_chain_function (mysinkpads[nsinkpads], deinterleave_chain_func);
fail_unless (gst_pad_link (pad, mysinkpads[nsinkpads]) == GST_PAD_LINK_OK);
gst_pad_set_active (mysinkpads[nsinkpads], TRUE);
nsinkpads++;
}
GST_START_TEST (test_2_channels)
{
GstPad *sinkpad;
gint i;
GstBuffer *inbuf;
GstCaps *caps;
gfloat *indata;
mysinkpads = g_new0 (GstPad *, 2);
nsinkpads = 0;
deinterleave = gst_element_factory_make ("deinterleave", NULL);
fail_unless (deinterleave != NULL);
mysrcpad = gst_pad_new_from_static_template (&srctemplate, "src");
fail_unless (mysrcpad != NULL);
caps = gst_caps_from_string (CAPS_48khz);
fail_unless (gst_pad_set_caps (mysrcpad, caps));
gst_pad_use_fixed_caps (mysrcpad);
sinkpad = gst_element_get_pad (deinterleave, "sink");
fail_unless (sinkpad != NULL);
fail_unless (gst_pad_link (mysrcpad, sinkpad) == GST_PAD_LINK_OK);
g_object_unref (sinkpad);
g_signal_connect (deinterleave, "pad-added",
G_CALLBACK (deinterleave_pad_added), GINT_TO_POINTER (2));
bus = gst_bus_new ();
gst_element_set_bus (deinterleave, bus);
fail_unless (gst_element_set_state (deinterleave,
GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS);
inbuf = gst_buffer_new_and_alloc (2 * 48000 * sizeof (gfloat));
indata = (gfloat *) GST_BUFFER_DATA (inbuf);
for (i = 0; i < 2 * 48000; i += 2) {
indata[i] = -1.0;
indata[i + 1] = 1.0;
}
gst_buffer_set_caps (inbuf, caps);
fail_unless (gst_pad_push (mysrcpad, inbuf) == GST_FLOW_OK);
fail_unless (gst_element_set_state (deinterleave,
GST_STATE_NULL) == GST_STATE_CHANGE_SUCCESS);
for (i = 0; i < nsinkpads; i++)
g_object_unref (mysinkpads[i]);
g_free (mysinkpads);
mysinkpads = NULL;
g_object_unref (deinterleave);
g_object_unref (bus);
gst_caps_unref (caps);
}
GST_END_TEST;
GST_START_TEST (test_2_channels_1_linked)
{
GstPad *sinkpad;
gint i;
GstBuffer *inbuf;
GstCaps *caps;
gfloat *indata;
nsinkpads = 0;
mysinkpads = g_new0 (GstPad *, 2);
deinterleave = gst_element_factory_make ("deinterleave", NULL);
fail_unless (deinterleave != NULL);
mysrcpad = gst_pad_new_from_static_template (&srctemplate, "src");
fail_unless (mysrcpad != NULL);
caps = gst_caps_from_string (CAPS_48khz);
fail_unless (gst_pad_set_caps (mysrcpad, caps));
gst_pad_use_fixed_caps (mysrcpad);
sinkpad = gst_element_get_pad (deinterleave, "sink");
fail_unless (sinkpad != NULL);
fail_unless (gst_pad_link (mysrcpad, sinkpad) == GST_PAD_LINK_OK);
g_object_unref (sinkpad);
g_signal_connect (deinterleave, "pad-added",
G_CALLBACK (deinterleave_pad_added), GINT_TO_POINTER (1));
bus = gst_bus_new ();
gst_element_set_bus (deinterleave, bus);
fail_unless (gst_element_set_state (deinterleave,
GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS);
inbuf = gst_buffer_new_and_alloc (2 * 48000 * sizeof (gfloat));
indata = (gfloat *) GST_BUFFER_DATA (inbuf);
for (i = 0; i < 2 * 48000; i += 2) {
indata[i] = -1.0;
indata[i + 1] = 1.0;
}
gst_buffer_set_caps (inbuf, caps);
fail_unless (gst_pad_push (mysrcpad, inbuf) == GST_FLOW_OK);
fail_unless (gst_element_set_state (deinterleave,
GST_STATE_NULL) == GST_STATE_CHANGE_SUCCESS);
for (i = 0; i < nsinkpads; i++)
g_object_unref (mysinkpads[i]);
g_free (mysinkpads);
mysinkpads = NULL;
g_object_unref (deinterleave);
g_object_unref (bus);
gst_caps_unref (caps);
}
GST_END_TEST;
GST_START_TEST (test_2_channels_caps_change)
{
GstPad *sinkpad;
GstCaps *caps, *caps2;
gint i;
GstBuffer *inbuf;
gfloat *indata;
nsinkpads = 0;
mysinkpads = g_new0 (GstPad *, 2);
deinterleave = gst_element_factory_make ("deinterleave", NULL);
fail_unless (deinterleave != NULL);
mysrcpad = gst_pad_new_from_static_template (&srctemplate, "src");
fail_unless (mysrcpad != NULL);
caps = gst_caps_from_string (CAPS_48khz);
fail_unless (gst_pad_set_caps (mysrcpad, caps));
gst_pad_use_fixed_caps (mysrcpad);
sinkpad = gst_element_get_pad (deinterleave, "sink");
fail_unless (sinkpad != NULL);
fail_unless (gst_pad_link (mysrcpad, sinkpad) == GST_PAD_LINK_OK);
g_object_unref (sinkpad);
g_signal_connect (deinterleave, "pad-added",
G_CALLBACK (deinterleave_pad_added), GINT_TO_POINTER (2));
bus = gst_bus_new ();
gst_element_set_bus (deinterleave, bus);
fail_unless (gst_element_set_state (deinterleave,
GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS);
inbuf = gst_buffer_new_and_alloc (2 * 48000 * sizeof (gfloat));
indata = (gfloat *) GST_BUFFER_DATA (inbuf);
for (i = 0; i < 2 * 48000; i += 2) {
indata[i] = -1.0;
indata[i + 1] = 1.0;
}
gst_buffer_set_caps (inbuf, caps);
fail_unless (gst_pad_push (mysrcpad, inbuf) == GST_FLOW_OK);
caps2 = gst_caps_from_string (CAPS_32khz);
gst_pad_set_caps (mysrcpad, caps2);
inbuf = gst_buffer_new_and_alloc (2 * 48000 * sizeof (gfloat));
indata = (gfloat *) GST_BUFFER_DATA (inbuf);
for (i = 0; i < 2 * 48000; i += 2) {
indata[i] = -1.0;
indata[i + 1] = 1.0;
}
gst_buffer_set_caps (inbuf, caps2);
/* Should work fine because the caps changed in a compatible way */
fail_unless (gst_pad_push (mysrcpad, inbuf) == GST_FLOW_OK);
gst_caps_unref (caps2);
caps2 = gst_caps_from_string (CAPS_48khz_3CH);
gst_pad_set_caps (mysrcpad, caps2);
inbuf = gst_buffer_new_and_alloc (3 * 48000 * sizeof (gfloat));
indata = (gfloat *) GST_BUFFER_DATA (inbuf);
for (i = 0; i < 3 * 48000; i += 3) {
indata[i] = -1.0;
indata[i + 1] = 1.0;
indata[i + 2] = 0.0;
}
gst_buffer_set_caps (inbuf, caps2);
/* Should break because the caps changed in an incompatible way */
fail_if (gst_pad_push (mysrcpad, inbuf) == GST_FLOW_OK);
fail_unless (gst_element_set_state (deinterleave,
GST_STATE_NULL) == GST_STATE_CHANGE_SUCCESS);
for (i = 0; i < nsinkpads; i++)
g_object_unref (mysinkpads[i]);
g_free (mysinkpads);
mysinkpads = NULL;
g_object_unref (deinterleave);
g_object_unref (bus);
gst_caps_unref (caps);
gst_caps_unref (caps2);
}
GST_END_TEST;
#define SAMPLES_PER_BUFFER 10
#define NUM_CHANNELS 8
#define SAMPLE_RATE 44100
static guint pads_created;
static void
set_channel_positions (GstCaps * caps, int channels,
GstAudioChannelPosition * channelpositions)
{
GValue chanpos = { 0 };
GValue pos = { 0 };
GstStructure *structure = gst_caps_get_structure (caps, 0);
int c;
g_value_init (&chanpos, GST_TYPE_ARRAY);
g_value_init (&pos, GST_TYPE_AUDIO_CHANNEL_POSITION);
for (c = 0; c < channels; c++) {
g_value_set_enum (&pos, channelpositions[c]);
gst_value_array_append_value (&chanpos, &pos);
}
g_value_unset (&pos);
gst_structure_set_value (structure, "channel-positions", &chanpos);
g_value_unset (&chanpos);
}
static void
src_handoff_float32_8ch (GstElement * src, GstBuffer * buf, GstPad * pad,
gpointer user_data)
{
GstAudioChannelPosition layout[NUM_CHANNELS];
GstCaps *caps;
gfloat *data;
guint size, i, c;
caps = gst_caps_new_simple ("audio/x-raw-float",
"width", G_TYPE_INT, 32,
"depth", G_TYPE_INT, 32,
"channels", G_TYPE_INT, NUM_CHANNELS,
"rate", G_TYPE_INT, SAMPLE_RATE,
"endianness", G_TYPE_INT, G_BYTE_ORDER, NULL);
for (i = 0; i < NUM_CHANNELS; ++i)
layout[i] = GST_AUDIO_CHANNEL_POSITION_NONE;
set_channel_positions (caps, NUM_CHANNELS, layout);
size = sizeof (gfloat) * SAMPLES_PER_BUFFER * NUM_CHANNELS;
data = (gfloat *) g_malloc (size);
GST_BUFFER_MALLOCDATA (buf) = (guint8 *) data;
GST_BUFFER_DATA (buf) = (guint8 *) data;
GST_BUFFER_SIZE (buf) = size;
GST_BUFFER_OFFSET (buf) = 0;
GST_BUFFER_TIMESTAMP (buf) = 0;
for (i = 0; i < SAMPLES_PER_BUFFER; ++i) {
for (c = 0; c < NUM_CHANNELS; ++c) {
*data = (gfloat) ((i * NUM_CHANNELS) + c);
++data;
}
}
gst_buffer_set_caps (buf, caps);
gst_caps_unref (caps);
}
static gboolean
float_buffer_check_probe (GstPad * pad, GstBuffer * buf, gpointer userdata)
{
gfloat *data;
guint padnum, numpads;
guint num, i;
GstCaps *caps;
GstStructure *s;
GstAudioChannelPosition *pos;
gint channels;
fail_unless_equals_int (sscanf (GST_PAD_NAME (pad), "src%u", &padnum), 1);
numpads = pads_created;
/* Check caps */
caps = GST_BUFFER_CAPS (buf);
fail_unless (caps != NULL);
s = gst_caps_get_structure (caps, 0);
fail_unless (gst_structure_get_int (s, "channels", &channels));
fail_unless_equals_int (channels, 1);
fail_unless (gst_structure_has_field (s, "channel-positions"));
pos = gst_audio_get_channel_positions (s);
fail_unless (pos != NULL && pos[0] == GST_AUDIO_CHANNEL_POSITION_NONE);
g_free (pos);
data = (gfloat *) GST_BUFFER_DATA (buf);
num = GST_BUFFER_SIZE (buf) / sizeof (gfloat);
/* Check buffer content */
for (i = 0; i < num; ++i) {
guint val, rest;
val = (guint) data[i];
GST_LOG ("%s[%u]: %8f", GST_PAD_NAME (pad), i, data[i]);
/* can't use the modulo operator in the assertion statement, since due to
* the way it gets expanded it would be interpreted as a printf operator
* in the failure case, which will result in segfaults */
rest = val % numpads;
/* check that the first channel is on pad src0, the second on src1 etc. */
fail_unless_equals_int (rest, padnum);
}
return TRUE; /* don't drop data */
}
static void
pad_added_setup_data_check_float32_8ch_cb (GstElement * deinterleave,
GstPad * pad, GstElement * pipeline)
{
GstElement *queue, *sink;
GstPad *sinkpad;
queue = gst_element_factory_make ("queue", NULL);
fail_unless (queue != NULL);
sink = gst_element_factory_make ("fakesink", NULL);
fail_unless (sink != NULL);
gst_bin_add_many (GST_BIN (pipeline), queue, sink, NULL);
fail_unless (gst_element_link_many (queue, sink, NULL));
sinkpad = gst_element_get_pad (queue, "sink");
fail_unless_equals_int (gst_pad_link (pad, sinkpad), GST_PAD_LINK_OK);
gst_object_unref (sinkpad);
gst_pad_add_buffer_probe (pad, G_CALLBACK (float_buffer_check_probe), NULL);
gst_element_set_state (sink, GST_STATE_PLAYING);
gst_element_set_state (queue, GST_STATE_PLAYING);
GST_LOG ("new pad: %s", GST_PAD_NAME (pad));
++pads_created;
}
static GstElement *
make_fake_src_8chans_float32 (void)
{
GstElement *src;
src = gst_element_factory_make ("fakesrc", "src");
fail_unless (src != NULL, "failed to create fakesrc element");
g_object_set (src, "num-buffers", 1, NULL);
g_object_set (src, "signal-handoffs", TRUE, NULL);
g_signal_connect (src, "handoff", G_CALLBACK (src_handoff_float32_8ch), NULL);
return src;
}
GST_START_TEST (test_8_channels_float32)
{
GstElement *pipeline, *src, *deinterleave;
GstMessage *msg;
pipeline = (GstElement *) gst_pipeline_new ("pipeline");
fail_unless (pipeline != NULL, "failed to create pipeline");
src = make_fake_src_8chans_float32 ();
deinterleave = gst_element_factory_make ("deinterleave", "deinterleave");
fail_unless (deinterleave != NULL, "failed to create deinterleave element");
g_object_set (deinterleave, "keep-positions", TRUE, NULL);
gst_bin_add_many (GST_BIN (pipeline), src, deinterleave, NULL);
fail_unless (gst_element_link (src, deinterleave),
"failed to link src <=> deinterleave");
g_signal_connect (deinterleave, "pad-added",
G_CALLBACK (pad_added_setup_data_check_float32_8ch_cb), pipeline);
pads_created = 0;
gst_element_set_state (pipeline, GST_STATE_PLAYING);
msg = gst_bus_poll (GST_ELEMENT_BUS (pipeline), GST_MESSAGE_EOS, -1);
gst_message_unref (msg);
fail_unless_equals_int (pads_created, NUM_CHANNELS);
gst_element_set_state (pipeline, GST_STATE_NULL);
gst_object_unref (pipeline);
}
GST_END_TEST;
static Suite *
deinterleave_suite (void)
{
Suite *s = suite_create ("deinterleave");
TCase *tc_chain = tcase_create ("general");
suite_add_tcase (s, tc_chain);
tcase_add_test (tc_chain, test_create_and_unref);
tcase_add_test (tc_chain, test_2_channels);
tcase_add_test (tc_chain, test_2_channels_1_linked);
tcase_add_test (tc_chain, test_2_channels_caps_change);
tcase_add_test (tc_chain, test_8_channels_float32);
return s;
}
GST_CHECK_MAIN (deinterleave);