gstreamer/subprojects/gst-plugins-bad/tests/check/elements/faac.c

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/* GStreamer
*
* unit test for faac
*
* Copyright (C) <2009> Mark Nauwelaerts <mnauw@users.sf.net>
*
* 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.
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*/
#include <unistd.h>
#include <gst/check/gstcheck.h>
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#include <gst/audio/audio.h>
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/* For ease of programming we use globals to keep refs for our floating
* src and sink pads we create; otherwise we always have to do get_pad,
* get_peer, and then remove references in every test function */
static GstPad *mysrcpad, *mysinkpad;
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#define AUDIO_CAPS_STRING "audio/x-raw, " \
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"format = (string) " GST_AUDIO_NE (S16) ", "\
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"layout = (string) interleaved, " \
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"rate = (int) 48000, " \
"channels = (int) 2, " \
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"channel-mask = (bitmask) 3"
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#define AAC_RAW_CAPS_STRING "audio/mpeg, " \
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"mpegversion = (int) 4, " \
"rate = (int) 48000, " \
"channels = (int) 2, " \
"stream-format = \"raw\"," \
"base-profile = \"lc\""
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#define AAC_ADTS_CAPS_STRING "audio/mpeg, " \
"mpegversion = (int) 4, " \
"rate = (int) 48000, " \
"channels = (int) 2, " \
"stream-format = \"adts\"," \
"base-profile = \"lc\""
static GstStaticPadTemplate sinktemplate_adts = GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (AAC_ADTS_CAPS_STRING));
static GstStaticPadTemplate sinktemplate_raw = GST_STATIC_PAD_TEMPLATE ("sink",
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GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (AAC_RAW_CAPS_STRING));
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static GstStaticPadTemplate srctemplate = GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (AUDIO_CAPS_STRING));
static GstElement *
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setup_faac (gboolean adts)
{
GstElement *faac;
GST_DEBUG ("setup_faac");
faac = gst_check_setup_element ("faac");
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mysrcpad = gst_check_setup_src_pad (faac, &srctemplate);
if (adts)
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mysinkpad = gst_check_setup_sink_pad (faac, &sinktemplate_adts);
else
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mysinkpad = gst_check_setup_sink_pad (faac, &sinktemplate_raw);
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gst_pad_set_active (mysrcpad, TRUE);
gst_pad_set_active (mysinkpad, TRUE);
return faac;
}
static void
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cleanup_faac (GstElement * faac)
{
GST_DEBUG ("cleanup_faac");
gst_element_set_state (faac, GST_STATE_NULL);
gst_pad_set_active (mysrcpad, FALSE);
gst_pad_set_active (mysinkpad, FALSE);
gst_check_teardown_src_pad (faac);
gst_check_teardown_sink_pad (faac);
gst_check_teardown_element (faac);
}
static void
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do_test (gboolean adts)
{
GstElement *faac;
GstBuffer *inbuffer, *outbuffer;
GstCaps *caps;
gint i, num_buffers;
const gint nbuffers = 10;
faac = setup_faac (adts);
fail_unless (gst_element_set_state (faac,
GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
"could not set to playing");
/* corresponds to audio buffer mentioned in the caps */
inbuffer = gst_buffer_new_and_alloc (1024 * nbuffers * 2 * 2);
/* makes valgrind's memcheck happier */
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gst_buffer_memset (inbuffer, 0, 0, 1024 * nbuffers * 2 * 2);
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caps = gst_caps_from_string (AUDIO_CAPS_STRING);
gst_check_setup_events (mysrcpad, faac, caps, GST_FORMAT_TIME);
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gst_caps_unref (caps);
GST_BUFFER_TIMESTAMP (inbuffer) = 0;
ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
fail_unless (gst_pad_push (mysrcpad, inbuffer) == GST_FLOW_OK);
/* send eos to have all flushed if needed */
fail_unless (gst_pad_push_event (mysrcpad, gst_event_new_eos ()) == TRUE);
num_buffers = g_list_length (buffers);
fail_unless_equals_int (num_buffers, nbuffers + 1);
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/* clean up buffers */
for (i = 0; i < num_buffers; ++i) {
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gint header = 0, id;
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GstMapInfo map;
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gsize size;
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guint8 *data;
outbuffer = GST_BUFFER (buffers->data);
fail_if (outbuffer == NULL);
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gst_buffer_map (outbuffer, &map, GST_MAP_READ);
data = map.data;
size = map.size;
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if (adts) {
gboolean protection;
gint k;
fail_if (size < 7);
protection = !(data[1] & 0x1);
/* expect only 1 raw data block */
k = (data[6] & 0x3) + 1;
fail_if (k != 1);
header = 7;
if (protection)
header += (k - 1) * 2 + 2;
/* check header */
k = GST_READ_UINT16_BE (data) & 0xFFF6;
/* sync */
fail_unless (k == 0xFFF0);
k = data[2];
/* profile */
fail_unless ((k >> 6) == 0x1);
/* rate */
fail_unless (((k >> 2) & 0xF) == 0x3);
/* channels */
fail_unless ((k & 0x1) == 0);
k = data[3];
fail_unless ((k >> 6) == 0x2);
} else {
GstCaps *caps;
GstStructure *s;
const GValue *value;
GstBuffer *buf;
gint k;
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GstMapInfo cmap;
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caps = gst_pad_get_current_caps (mysinkpad);
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fail_if (caps == NULL);
s = gst_caps_get_structure (caps, 0);
fail_if (s == NULL);
value = gst_structure_get_value (s, "codec_data");
fail_if (value == NULL);
buf = gst_value_get_buffer (value);
fail_if (buf == NULL);
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gst_buffer_map (buf, &cmap, GST_MAP_READ);
fail_if (cmap.size < 2);
k = GST_READ_UINT16_BE (cmap.data);
gst_buffer_unmap (buf, &cmap);
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/* profile, rate, channels */
fail_unless ((k & 0xFFF8) == ((0x02 << 11) | (0x3 << 7) | (0x02 << 3)));
gst_caps_unref (caps);
}
fail_if (size <= header);
id = data[header] & (0x7 << 5);
/* allow all but ID_END or ID_LFE */
fail_if (id == 7 || id == 3);
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gst_buffer_unmap (outbuffer, &map);
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buffers = g_list_remove (buffers, outbuffer);
ASSERT_BUFFER_REFCOUNT (outbuffer, "outbuffer", 1);
gst_buffer_unref (outbuffer);
outbuffer = NULL;
}
cleanup_faac (faac);
g_list_free (buffers);
buffers = NULL;
}
GST_START_TEST (test_adts)
{
do_test (TRUE);
}
GST_END_TEST;
GST_START_TEST (test_raw)
{
do_test (FALSE);
}
GST_END_TEST;
static Suite *
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faac_suite (void)
{
Suite *s = suite_create ("faac");
TCase *tc_chain = tcase_create ("general");
suite_add_tcase (s, tc_chain);
tcase_add_test (tc_chain, test_adts);
tcase_add_test (tc_chain, test_raw);
return s;
}
GST_CHECK_MAIN (faac);