gstreamer/tests/check/elements/voaacenc.c
benjamin gaignard 988516ca63 voaacenc: Add new plugin for audio AAC encoder based on vo-aacenc lib
Add plugin and unit test.

Fixes bug .
2011-05-14 12:08:27 +02:00

287 lines
7.8 KiB
C

/* GStreamer
*
* unit test for voaacenc
*
* 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., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include <unistd.h>
#include <gst/check/gstcheck.h>
#include <gst/audio/multichannel.h>
/* 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;
#define AUDIO_CAPS_STRING "audio/x-raw-int, " \
"rate = (int) 48000, " \
"channels = (int) 2, " \
"width = (int) 16, " \
"depth = (int) 16, " \
"signed = (boolean) true, " \
"endianness = (int) BYTE_ORDER "
#define AAC_RAW_CAPS_STRING "audio/mpeg, " \
"mpegversion = (int) 4, " \
"rate = (int) 48000, " \
"channels = (int) 2, " \
"stream-format = \"raw\""
#define AAC_ADTS_CAPS_STRING "audio/mpeg, " \
"mpegversion = (int) 4, " \
"rate = (int) 48000, " \
"channels = (int) 2, " \
"stream-format = \"adts\""
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",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (AAC_RAW_CAPS_STRING));
static GstStaticPadTemplate srctemplate = GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (AUDIO_CAPS_STRING));
static GstElement *
setup_voaacenc (gboolean adts)
{
GstElement *voaacenc;
GST_DEBUG ("setup_voaacenc");
voaacenc = gst_check_setup_element ("voaacenc");
mysrcpad = gst_check_setup_src_pad (voaacenc, &srctemplate, NULL);
if (adts)
mysinkpad = gst_check_setup_sink_pad (voaacenc, &sinktemplate_adts, NULL);
else
mysinkpad = gst_check_setup_sink_pad (voaacenc, &sinktemplate_raw, NULL);
gst_pad_set_active (mysrcpad, TRUE);
gst_pad_set_active (mysinkpad, TRUE);
return voaacenc;
}
static void
cleanup_voaacenc (GstElement * voaacenc)
{
GST_DEBUG ("cleanup_aacenc");
gst_element_set_state (voaacenc, GST_STATE_NULL);
gst_pad_set_active (mysrcpad, FALSE);
gst_pad_set_active (mysinkpad, FALSE);
gst_check_teardown_src_pad (voaacenc);
gst_check_teardown_sink_pad (voaacenc);
gst_check_teardown_element (voaacenc);
}
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
do_test (gboolean adts)
{
GstElement *voaacenc;
GstBuffer *inbuffer, *outbuffer;
GstCaps *caps;
gint i, num_buffers;
const gint nbuffers = 10;
GstAudioChannelPosition channel_position_layout[2] =
{ GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT,
GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT
};
voaacenc = setup_voaacenc (adts);
fail_unless (gst_element_set_state (voaacenc,
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 */
memset (GST_BUFFER_DATA (inbuffer), 0, GST_BUFFER_SIZE (inbuffer));
caps = gst_caps_from_string (AUDIO_CAPS_STRING);
set_channel_positions (caps, 2, channel_position_layout);
gst_buffer_set_caps (inbuffer, caps);
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);
/* clean up buffers */
for (i = 0; i < num_buffers; ++i) {
gint size, header = 0, id;
guint8 *data;
outbuffer = GST_BUFFER (buffers->data);
fail_if (outbuffer == NULL);
data = GST_BUFFER_DATA (outbuffer);
size = GST_BUFFER_SIZE (outbuffer);
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;
caps = gst_buffer_get_caps (outbuffer);
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);
data = GST_BUFFER_DATA (buf);
size = GST_BUFFER_SIZE (buf);
fail_if (size < 2);
k = GST_READ_UINT16_BE (data);
/* 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);
buffers = g_list_remove (buffers, outbuffer);
ASSERT_BUFFER_REFCOUNT (outbuffer, "outbuffer", 1);
gst_buffer_unref (outbuffer);
outbuffer = NULL;
}
cleanup_voaacenc (voaacenc);
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 *
voaacenc_suite (void)
{
Suite *s = suite_create ("voaacenc");
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;
}
int
main (int argc, char **argv)
{
int nf;
Suite *s = voaacenc_suite ();
SRunner *sr = srunner_create (s);
gst_check_init (&argc, &argv);
srunner_run_all (sr, CK_NORMAL);
nf = srunner_ntests_failed (sr);
srunner_free (sr);
return nf;
}