tests/check/elements/faac.c - imx-gst-plugins-bad - Git at Google

 /* 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.
  */

 #include <unistd.h>

 #include <gst/check/gstcheck.h>
 #include <gst/audio/audio.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, " \
                            "format = (string) " GST_AUDIO_NE (S16) ", "\
                            "layout = (string) interleaved, " \
                            "rate = (int) 48000, " \
                            "channels = (int) 2, " \
                            "channel-mask = (bitmask) 3"

 #define AAC_RAW_CAPS_STRING "audio/mpeg, " \
                           "mpegversion = (int) 4, " \
                           "rate = (int) 48000, " \
                           "channels = (int) 2, " \
                           "stream-format = \"raw\"," \
                           "base-profile = \"lc\""

 #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",
     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_faac (gboolean adts)
 {
   GstElement *faac;

   GST_DEBUG ("setup_faac");
   faac = gst_check_setup_element ("faac");
   mysrcpad = gst_check_setup_src_pad (faac, &srctemplate);

   if (adts)
     mysinkpad = gst_check_setup_sink_pad (faac, &sinktemplate_adts);
   else
     mysinkpad = gst_check_setup_sink_pad (faac, &sinktemplate_raw);

   gst_pad_set_active (mysrcpad, TRUE);
   gst_pad_set_active (mysinkpad, TRUE);

   return faac;
 }

 static void
 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
 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 */
   gst_buffer_memset (inbuffer, 0, 0, 1024 * nbuffers * 2 * 2);
   caps = gst_caps_from_string (AUDIO_CAPS_STRING);
   gst_check_setup_events (mysrcpad, faac, caps, GST_FORMAT_TIME);
   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);

   /* clean up buffers */
   for (i = 0; i < num_buffers; ++i) {
     gint header = 0, id;
     GstMapInfo map;
     gsize size;
     guint8 *data;

     outbuffer = GST_BUFFER (buffers->data);
     fail_if (outbuffer == NULL);

     gst_buffer_map (outbuffer, &map, GST_MAP_READ);
     data = map.data;
     size = map.size;

     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;
       GstMapInfo cmap;

       caps = gst_pad_get_current_caps (mysinkpad);
       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);
       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);
       /* 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);
     gst_buffer_unmap (outbuffer, &map);

     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 *
 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);
	/* 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.
	*/

	#include <unistd.h>

	#include <gst/check/gstcheck.h>
	#include <gst/audio/audio.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, " \
	"format = (string) " GST_AUDIO_NE (S16) ", "\
	"layout = (string) interleaved, " \
	"rate = (int) 48000, " \
	"channels = (int) 2, " \
	"channel-mask = (bitmask) 3"

	#define AAC_RAW_CAPS_STRING "audio/mpeg, " \
	"mpegversion = (int) 4, " \
	"rate = (int) 48000, " \
	"channels = (int) 2, " \
	"stream-format = \"raw\"," \
	"base-profile = \"lc\""

	#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",
	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_faac (gboolean adts)
	{
	GstElement *faac;

	GST_DEBUG ("setup_faac");
	faac = gst_check_setup_element ("faac");
	mysrcpad = gst_check_setup_src_pad (faac, &srctemplate);

	if (adts)
	mysinkpad = gst_check_setup_sink_pad (faac, &sinktemplate_adts);
	else
	mysinkpad = gst_check_setup_sink_pad (faac, &sinktemplate_raw);

	gst_pad_set_active (mysrcpad, TRUE);
	gst_pad_set_active (mysinkpad, TRUE);

	return faac;
	}

	static void
	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
	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 */
	gst_buffer_memset (inbuffer, 0, 0, 1024 * nbuffers * 2 * 2);
	caps = gst_caps_from_string (AUDIO_CAPS_STRING);
	gst_check_setup_events (mysrcpad, faac, caps, GST_FORMAT_TIME);
	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);

	/* clean up buffers */
	for (i = 0; i < num_buffers; ++i) {
	gint header = 0, id;
	GstMapInfo map;
	gsize size;
	guint8 *data;

	outbuffer = GST_BUFFER (buffers->data);
	fail_if (outbuffer == NULL);

	gst_buffer_map (outbuffer, &map, GST_MAP_READ);
	data = map.data;
	size = map.size;

	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;
	GstMapInfo cmap;

	caps = gst_pad_get_current_caps (mysinkpad);
	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);
	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);
	/* 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);
	gst_buffer_unmap (outbuffer, &map);

	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 *
	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);