/* GStreamer ReplayGain analysis
*
* Copyright (C) 2006 Rene Stadler <mail@renestadler.de>
*
* rganalysis.c: Unit test for the rganalysis element
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either version 2.1 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301 USA
*/
/* Some things to note about the RMS window length of the analysis algorithm and
* thus the implementation used in the element: Processing divides input data
* into 50ms windows at some point. Some details about this that normally do
* not matter:
*
* 1. At the end of a stream, the remainder of data that did not fill up the
* last 50ms window is simply discarded.
*
* 2. If the sample rate changes during a stream, the currently running window
* is discarded and the equal loudness filter gets reset as if a new stream
* started.
*
* 3. For the album gain, it is not entirely correct to think of obtaining it
* like "as if all the tracks are analyzed as one track". There isn't a
* separate window being tracked for album processing, so at stream (track)
* end, the remaining unfilled window does not contribute to the album gain
* either.
*
* 4. If a waveform with a result gain G is concatenated to itself and the
* result processed as a track, the gain can be different from G if and only
* if the duration of the original waveform is not an integer multiple of
* 50ms. If the original waveform gets processed as a single track and then
* the same data again as a subsequent track, the album result gain will
* always match G (this is implied by 3.).
*
* 5. A stream shorter than 50ms cannot be analyzed. At 8000 and 48000 Hz,
* this corresponds to 400 resp. 2400 frames. If a stream is shorter than
* 50ms, the element will not generate tags at EOS (only if an album
* finished, but only album tags are generated then). This is not an
* erroneous condition, the element should behave normally.
*
* The limitations outlined in 1.-4. do not apply to the peak values. Every
* single sample is accounted for when looking for the peak. Thus the album
* peak is guaranteed to be the maximum value of all track peaks.
*
* In normal day-to-day use, these little facts are unlikely to be relevant, but
* they have to be kept in mind for writing the tests here.
*/
#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;
static GstBus *mybus;
/* Mapping from supported sample rates to the correct result gain for the
* following test waveform: 20 * 512 samples with a quarter-full amplitude of
* toggling sign, changing every 48 samples and starting with the positive
* value.
*
* Even if we would generate a wave describing a signal with the same frequency
* at each sampling rate, the results would vary (slightly). Hence the simple
* generation method, since we cannot use a constant value as expected result
* anyways. For all sample rates, changing the sign every 48 frames gives a
* sane frequency. Buffers containing data that forms such a waveform is
* created using the test_buffer_square_{float,int16}_{mono,stereo} functions
* below.
*
* The results have been checked against what the metaflac and wavegain programs
* generate for such a stream. If you want to verify these, be sure that the
* metaflac program does not produce incorrect results in your environment: I
* found a strange bug in the (defacto) reference code for the analysis that
* sometimes leads to incorrect RMS window lengths. */
struct rate_test
{
guint sample_rate;
gdouble gain;
};
static const struct rate_test supported_rates[] = {
{8000, -0.91},
{11025, -2.80},
{12000, -3.13},
{16000, -4.26},
{22050, -5.64},
{24000, -5.87},
{32000, -6.03},
{44100, -6.20},
{48000, -6.14}
};
/* Lookup the correct gain adjustment result in above array. */
static gdouble
get_expected_gain (guint sample_rate)
{
gint i;
for (i = G_N_ELEMENTS (supported_rates); i--;)
if (supported_rates[i].sample_rate == sample_rate)
return supported_rates[i].gain;
g_return_val_if_reached (0.0);
}
#define SILENCE_GAIN 64.82
#define REPLAY_GAIN_CAPS \
"channels = (int) { 1, 2 }, " \
"rate = (int) { 8000, 11025, 12000, 16000, 22050, " \
"24000, 32000, 44100, 48000 }"
#define RG_ANALYSIS_CAPS_TEMPLATE_STRING \
"audio/x-raw, " \
"format = (string) "GST_AUDIO_NE (F32) ", " \
"layout = (string) interleaved, " \
REPLAY_GAIN_CAPS \
"; " \
"audio/x-raw, " \
"format = (string) "GST_AUDIO_NE (S16) ", " \
"layout = (string) interleaved, " \
REPLAY_GAIN_CAPS
static GstStaticPadTemplate sinktemplate = GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (RG_ANALYSIS_CAPS_TEMPLATE_STRING)
);
static GstStaticPadTemplate srctemplate = GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (RG_ANALYSIS_CAPS_TEMPLATE_STRING)
);
static gboolean
mysink_event_func (GstPad * pad, GstObject * parent, GstEvent * event)
{
GST_LOG_OBJECT (pad, "%s event: %" GST_PTR_FORMAT,
GST_EVENT_TYPE_NAME (event), event);
/* a sink would post tag events as messages, so do the same here,
* esp. since we're polling on the bus waiting for TAG messages.. */
if (GST_EVENT_TYPE (event) == GST_EVENT_TAG) {
GstTagList *taglist;
gst_event_parse_tag (event, &taglist);
gst_bus_post (mybus, gst_message_new_tag (GST_OBJECT (mysinkpad),
gst_tag_list_copy (taglist)));
}
gst_event_unref (event);
return TRUE;
}
static GstElement *
setup_rganalysis (void)
{
GstElement *analysis;
GstBus *bus;
GST_DEBUG ("setup_rganalysis");
analysis = gst_check_setup_element ("rganalysis");
mysrcpad = gst_check_setup_src_pad (analysis, &srctemplate);
mysinkpad = gst_check_setup_sink_pad (analysis, &sinktemplate);
gst_pad_set_event_function (mysinkpad, mysink_event_func);
gst_pad_set_active (mysrcpad, TRUE);
gst_pad_set_active (mysinkpad, TRUE);
bus = gst_bus_new ();
gst_element_set_bus (analysis, bus);
mybus = bus; /* keep ref */
return analysis;
}
static void
cleanup_rganalysis (GstElement * element)
{
GST_DEBUG ("cleanup_rganalysis");
g_list_foreach (buffers, (GFunc) gst_mini_object_unref, NULL);
g_list_free (buffers);
buffers = NULL;
gst_object_unref (mybus);
mybus = NULL;
/* The bus owns references to the element: */
gst_element_set_bus (element, NULL);
gst_pad_set_active (mysrcpad, FALSE);
gst_pad_set_active (mysinkpad, FALSE);
gst_check_teardown_src_pad (element);
gst_check_teardown_sink_pad (element);
gst_check_teardown_element (element);
}
static void
set_playing_state (GstElement * element)
{
fail_unless (gst_element_set_state (element,
GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
"Could not set state to PLAYING");
}
static void
send_flush_events (GstElement * element)
{
gboolean res;
GstPad *pad;
pad = mysrcpad;
res = gst_pad_push_event (pad, gst_event_new_flush_start ());
fail_unless (res, "flush-start even not handledt");
res = gst_pad_push_event (pad, gst_event_new_flush_stop (TRUE));
fail_unless (res, "flush-stop event not handled");
}
static void
send_stream_start_event (GstElement * element)
{
gboolean res;
GstPad *pad;
pad = mysrcpad;
res = gst_pad_push_event (pad, gst_event_new_stream_start ("test"));
fail_unless (res, "STREAM_START event not handled");
}
static void
send_caps_event (const gchar * format, gint sample_rate, gint channels)
{
GstCaps *caps;
caps = gst_caps_new_simple ("audio/x-raw",
"format", G_TYPE_STRING, format,
"rate", G_TYPE_INT, sample_rate, "channels", G_TYPE_INT, channels,
"layout", G_TYPE_STRING, "interleaved", NULL);
if (channels == 2) {
gst_caps_set_simple (caps,
"channel-mask", GST_TYPE_BITMASK,
G_GUINT64_CONSTANT (0x0000000000000003), NULL);
}
gst_pad_set_caps (mysrcpad, caps);
gst_caps_unref (caps);
}
static void
send_segment_event (GstElement * element)
{
GstSegment segment;
gboolean res;
GstPad *pad;
pad = mysrcpad;
gst_segment_init (&segment, GST_FORMAT_TIME);
res = gst_pad_push_event (pad, gst_event_new_segment (&segment));
fail_unless (res, "SEGMENT event not handled");
}
static void
send_eos_event (GstElement * element)
{
GstBus *bus = gst_element_get_bus (element);
GstPad *pad = mysrcpad;
gboolean res;
res = gst_pad_push_event (pad, gst_event_new_eos ());
fail_unless (res, "EOS event not handled");
/* There is no sink element, so _we_ post the EOS message on the bus here. Of
* course we generate any EOS ourselves, but this allows us to poll for the
* EOS message in poll_eos if we expect the element to _not_ generate a TAG
* message. That's better than waiting for a timeout to lapse. */
fail_unless (gst_bus_post (bus, gst_message_new_eos (NULL)));
gst_object_unref (bus);
}
static void
send_tag_event (GstElement * element, GstTagList * tag_list)
{
GstPad *pad = mysrcpad;
GstEvent *event = gst_event_new_tag (tag_list);
fail_unless (gst_pad_push_event (pad, event),
"Cannot send TAG event: Not handled.");
}
static void
poll_eos (GstElement * element)
{
GstBus *bus = gst_element_get_bus (element);
GstMessage *message;
message = gst_bus_poll (bus, GST_MESSAGE_EOS | GST_MESSAGE_TAG, GST_SECOND);
fail_unless (message != NULL, "Could not poll for EOS message: Timed out");
fail_unless (message->type == GST_MESSAGE_EOS,
"Could not poll for eos message: got message of type %s instead",
gst_message_type_get_name (message->type));
gst_message_unref (message);
gst_object_unref (bus);
}
static GstTagList *
poll_tags_only (GstElement * element)
{
GstBus *bus = gst_element_get_bus (element);
GstTagList *tag_list;
GstMessage *message;
message = gst_bus_poll (bus, GST_MESSAGE_TAG, GST_SECOND);
fail_unless (message != NULL, "Could not poll for TAG message: Timed out");
gst_message_parse_tag (message, &tag_list);
gst_message_unref (message);
gst_object_unref (bus);
return tag_list;
}
/* This also polls for EOS since the TAG message comes right before the end of
* streams. */
static GstTagList *
poll_tags_followed_by_eos (GstElement * element)
{
GstTagList *tag_list = poll_tags_only (element);
poll_eos (element);
return tag_list;
}
#define MATCH_PEAK(p1, p2) ((p1 < p2 + 1e-6) && (p2 < p1 + 1e-6))
#define MATCH_GAIN(g1, g2) ((g1 < g2 + 1e-13) && (g2 < g1 + 1e-13))
static void
fail_unless_track_gain (const GstTagList * tag_list, gdouble gain)
{
gdouble result;
fail_unless (gst_tag_list_get_double (tag_list, GST_TAG_TRACK_GAIN, &result),
"Tag list contains no track gain value");
fail_unless (MATCH_GAIN (gain, result),
"Track gain %+.2f does not match, expected %+.2f", result, gain);
}
static void
fail_unless_track_peak (const GstTagList * tag_list, gdouble peak)
{
gdouble result;
fail_unless (gst_tag_list_get_double (tag_list, GST_TAG_TRACK_PEAK, &result),
"Tag list contains no track peak value");
fail_unless (MATCH_PEAK (peak, result),
"Track peak %f does not match, expected %f", result, peak);
}
static void
fail_unless_album_gain (const GstTagList * tag_list, gdouble gain)
{
gdouble result;
fail_unless (gst_tag_list_get_double (tag_list, GST_TAG_ALBUM_GAIN, &result),
"Tag list contains no album gain value");
fail_unless (MATCH_GAIN (result, gain),
"Album gain %+.2f does not match, expected %+.2f", result, gain);
}
static void
fail_unless_album_peak (const GstTagList * tag_list, gdouble peak)
{
gdouble result;
fail_unless (gst_tag_list_get_double (tag_list, GST_TAG_ALBUM_PEAK, &result),
"Tag list contains no album peak value");
fail_unless (MATCH_PEAK (peak, result),
"Album peak %f does not match, expected %f", result, peak);
}
static void
fail_if_track_tags (const GstTagList * tag_list)
{
gdouble result;
fail_if (gst_tag_list_get_double (tag_list, GST_TAG_TRACK_GAIN, &result),
"Tag list contains track gain value (but should not)");
fail_if (gst_tag_list_get_double (tag_list, GST_TAG_TRACK_PEAK, &result),
"Tag list contains track peak value (but should not)");
}
static void
fail_if_album_tags (const GstTagList * tag_list)
{
gdouble result;
fail_if (gst_tag_list_get_double (tag_list, GST_TAG_ALBUM_GAIN, &result),
"Tag list contains album gain value (but should not)");
fail_if (gst_tag_list_get_double (tag_list, GST_TAG_ALBUM_PEAK, &result),
"Tag list contains album peak value (but should not)");
}
static void
fail_unless_num_tracks (GstElement * element, guint num_tracks)
{
guint current;
g_object_get (element, "num-tracks", ¤t, NULL);
fail_unless (current == num_tracks,
"num-tracks property has incorrect value %u, expected %u",
current, num_tracks);
}
/* Functions that create buffers with constant sample values, for peak
* tests. */
static GstBuffer *
test_buffer_const_float_mono (gint sample_rate, gsize n_frames, gfloat value)
{
GstBuffer *buf = gst_buffer_new_and_alloc (n_frames * sizeof (gfloat));
GstMapInfo map;
gfloat *data;
gint i;
gst_buffer_map (buf, &map, GST_MAP_WRITE);
data = (gfloat *) map.data;
for (i = n_frames; i--;)
*data++ = value;
gst_buffer_unmap (buf, &map);
ASSERT_BUFFER_REFCOUNT (buf, "buf", 1);
return buf;
}
static GstBuffer *
test_buffer_const_float_stereo (gint sample_rate, gsize n_frames,
gfloat value_l, gfloat value_r)
{
GstBuffer *buf = gst_buffer_new_and_alloc (n_frames * sizeof (gfloat) * 2);
GstMapInfo map;
gfloat *data;
gint i;
gst_buffer_map (buf, &map, GST_MAP_WRITE);
data = (gfloat *) map.data;
for (i = n_frames; i--;) {
*data++ = value_l;
*data++ = value_r;
}
gst_buffer_unmap (buf, &map);
ASSERT_BUFFER_REFCOUNT (buf, "buf", 1);
return buf;
}
static GstBuffer *
test_buffer_const_int16_mono (gint sample_rate, gint depth, gsize n_frames,
gint16 value)
{
GstBuffer *buf = gst_buffer_new_and_alloc (n_frames * sizeof (gint16));
gint16 *data;
GstMapInfo map;
gint i;
gst_buffer_map (buf, &map, GST_MAP_WRITE);
data = (gint16 *) map.data;
for (i = n_frames; i--;)
*data++ = value;
gst_buffer_unmap (buf, &map);
ASSERT_BUFFER_REFCOUNT (buf, "buf", 1);
return buf;
}
static GstBuffer *
test_buffer_const_int16_stereo (gint sample_rate, gint depth, gsize n_frames,
gint16 value_l, gint16 value_r)
{
GstBuffer *buf = gst_buffer_new_and_alloc (n_frames * sizeof (gint16) * 2);
gint16 *data;
GstMapInfo map;
gint i;
gst_buffer_map (buf, &map, GST_MAP_WRITE);
data = (gint16 *) map.data;
for (i = n_frames; i--;) {
*data++ = value_l;
*data++ = value_r;
}
gst_buffer_unmap (buf, &map);
ASSERT_BUFFER_REFCOUNT (buf, "buf", 1);
return buf;
}
/* Functions that create data buffers containing square signal
* waveforms. */
static GstBuffer *
test_buffer_square_float_mono (gint * accumulator, gint sample_rate,
gsize n_frames, gfloat value)
{
GstBuffer *buf = gst_buffer_new_and_alloc (n_frames * sizeof (gfloat));
gfloat *data;
GstMapInfo map;
gint i;
gst_buffer_map (buf, &map, GST_MAP_WRITE);
data = (gfloat *) map.data;
for (i = n_frames; i--;) {
*accumulator += 1;
*accumulator %= 96;
if (*accumulator < 48)
*data++ = value;
else
*data++ = -value;
}
gst_buffer_unmap (buf, &map);
ASSERT_BUFFER_REFCOUNT (buf, "buf", 1);
return buf;
}
static GstBuffer *
test_buffer_square_float_stereo (gint * accumulator, gint sample_rate,
gsize n_frames, gfloat value_l, gfloat value_r)
{
GstBuffer *buf = gst_buffer_new_and_alloc (n_frames * sizeof (gfloat) * 2);
gfloat *data;
GstMapInfo map;
gint i;
gst_buffer_map (buf, &map, GST_MAP_WRITE);
data = (gfloat *) map.data;
for (i = n_frames; i--;) {
*accumulator += 1;
*accumulator %= 96;
if (*accumulator < 48) {
*data++ = value_l;
*data++ = value_r;
} else {
*data++ = -value_l;
*data++ = -value_r;
}
}
gst_buffer_unmap (buf, &map);
ASSERT_BUFFER_REFCOUNT (buf, "buf", 1);
return buf;
}
static GstBuffer *
test_buffer_square_int16_mono (gint * accumulator, gint sample_rate,
gint depth, gsize n_frames, gint16 value)
{
GstBuffer *buf = gst_buffer_new_and_alloc (n_frames * sizeof (gint16));
gint16 *data;
GstMapInfo map;
gint i;
gst_buffer_map (buf, &map, GST_MAP_WRITE);
data = (gint16 *) map.data;
for (i = n_frames; i--;) {
*accumulator += 1;
*accumulator %= 96;
if (*accumulator < 48)
*data++ = value;
else
*data++ = -MAX (value, -32767);
}
gst_buffer_unmap (buf, &map);
ASSERT_BUFFER_REFCOUNT (buf, "buf", 1);
return buf;
}
static GstBuffer *
test_buffer_square_int16_stereo (gint * accumulator, gint sample_rate,
gint depth, gsize n_frames, gint16 value_l, gint16 value_r)
{
GstBuffer *buf = gst_buffer_new_and_alloc (n_frames * sizeof (gint16) * 2);
gint16 *data;
GstMapInfo map;
gint i;
gst_buffer_map (buf, &map, GST_MAP_WRITE);
data = (gint16 *) map.data;
for (i = n_frames; i--;) {
*accumulator += 1;
*accumulator %= 96;
if (*accumulator < 48) {
*data++ = value_l;
*data++ = value_r;
} else {
*data++ = -MAX (value_l, -32767);
*data++ = -MAX (value_r, -32767);
}
}
gst_buffer_unmap (buf, &map);
ASSERT_BUFFER_REFCOUNT (buf, "buf", 1);
return buf;
}
static void
push_buffer (GstBuffer * buf)
{
/* gst_pad_push steals a reference. */
fail_unless (gst_pad_push (mysrcpad, buf) == GST_FLOW_OK);
ASSERT_BUFFER_REFCOUNT (buf, "buf", 1);
}
/*** Start of the tests. ***/
/* This test looks redundant, but early versions of the element
* crashed when doing, well, nothing: */
GST_START_TEST (test_no_buffer)
{
GstElement *element = setup_rganalysis ();
set_playing_state (element);
send_eos_event (element);
poll_eos (element);
cleanup_rganalysis (element);
}
GST_END_TEST;
GST_START_TEST (test_no_buffer_album_1)
{
GstElement *element = setup_rganalysis ();
set_playing_state (element);
/* Single track: */
send_stream_start_event (element);
send_segment_event (element);
send_eos_event (element);
poll_eos (element);
/* First album: */
g_object_set (element, "num-tracks", 3, NULL);
send_flush_events (element);
send_segment_event (element);
send_eos_event (element);
poll_eos (element);
fail_unless_num_tracks (element, 2);
send_flush_events (element);
send_segment_event (element);
send_eos_event (element);
poll_eos (element);
fail_unless_num_tracks (element, 1);
send_flush_events (element);
send_segment_event (element);
send_eos_event (element);
poll_eos (element);
fail_unless_num_tracks (element, 0);
/* Second album: */
g_object_set (element, "num-tracks", 2, NULL);
send_flush_events (element);
send_segment_event (element);
send_eos_event (element);
poll_eos (element);
fail_unless_num_tracks (element, 1);
send_flush_events (element);
send_segment_event (element);
send_eos_event (element);
poll_eos (element);
fail_unless_num_tracks (element, 0);
/* Single track: */
send_flush_events (element);
send_segment_event (element);
send_eos_event (element);
poll_eos (element);
fail_unless_num_tracks (element, 0);
cleanup_rganalysis (element);
}
GST_END_TEST;
GST_START_TEST (test_no_buffer_album_2)
{
GstElement *element = setup_rganalysis ();
GstTagList *tag_list;
gint accumulator = 0;
gint i;
g_object_set (element, "num-tracks", 3, NULL);
set_playing_state (element);
/* No buffer for the first track. */
send_stream_start_event (element);
send_segment_event (element);
send_eos_event (element);
/* No tags should be posted, there was nothing to analyze: */
poll_eos (element);
fail_unless_num_tracks (element, 2);
/* A test waveform with known gain result as second track: */
send_flush_events (element);
send_caps_event (GST_AUDIO_NE (F32), 44100, 1);
send_segment_event (element);
for (i = 20; i--;)
push_buffer (test_buffer_square_float_mono (&accumulator, 44100, 512,
0.25));
send_eos_event (element);
tag_list = poll_tags_followed_by_eos (element);
fail_unless_track_peak (tag_list, 0.25);
fail_unless_track_gain (tag_list, -6.20);
/* Album is not finished yet: */
fail_if_album_tags (tag_list);
gst_tag_list_unref (tag_list);
fail_unless_num_tracks (element, 1);
/* No buffer for the last track. */
send_flush_events (element);
send_segment_event (element);
send_eos_event (element);
tag_list = poll_tags_followed_by_eos (element);
fail_unless_album_peak (tag_list, 0.25);
fail_unless_album_gain (tag_list, -6.20);
/* No track tags should be posted, as there was no data for it: */
fail_if_track_tags (tag_list);
gst_tag_list_unref (tag_list);
fail_unless_num_tracks (element, 0);
cleanup_rganalysis (element);
}
GST_END_TEST;
GST_START_TEST (test_empty_buffers)
{
GstElement *element = setup_rganalysis ();
set_playing_state (element);
/* Single track: */
send_stream_start_event (element);
send_caps_event (GST_AUDIO_NE (F32), 44100, 2);
send_segment_event (element);
push_buffer (test_buffer_const_float_stereo (44100, 0, 0.0, 0.0));
send_eos_event (element);
poll_eos (element);
/* First album: */
g_object_set (element, "num-tracks", 2, NULL);
send_flush_events (element);
send_segment_event (element);
push_buffer (test_buffer_const_float_stereo (44100, 0, 0.0, 0.0));
send_eos_event (element);
poll_eos (element);
fail_unless_num_tracks (element, 1);
send_flush_events (element);
send_segment_event (element);
push_buffer (test_buffer_const_float_stereo (44100, 0, 0.0, 0.0));
send_eos_event (element);
poll_eos (element);
fail_unless_num_tracks (element, 0);
/* Second album, with a single track: */
g_object_set (element, "num-tracks", 1, NULL);
send_flush_events (element);
send_segment_event (element);
push_buffer (test_buffer_const_float_stereo (44100, 0, 0.0, 0.0));
send_eos_event (element);
poll_eos (element);
fail_unless_num_tracks (element, 0);
/* Single track: */
send_flush_events (element);
send_segment_event (element);
push_buffer (test_buffer_const_float_stereo (44100, 0, 0.0, 0.0));
send_eos_event (element);
poll_eos (element);
cleanup_rganalysis (element);
}
GST_END_TEST;
/* Tests for correctness of the peak values. */
/* Float peak test. For stereo, one channel has the constant value of -1.369,
* the other one 0.0. This tests many things: The result peak value should
* occur on any channel. The peak is of course the absolute amplitude, so 1.369
* should be the result. This will also detect if the code uses the absolute
* value during the comparison. If it is buggy it will return 0.0 since 0.0 >
* -1.369. Furthermore, this makes sure that there is no problem with headroom
* (exceeding 0dBFS). In the wild you get float samples > 1.0 from stuff like
* vorbis. */
GST_START_TEST (test_peak_float)
{
GstElement *element = setup_rganalysis ();
GstTagList *tag_list;
set_playing_state (element);
send_stream_start_event (element);
send_caps_event (GST_AUDIO_NE (F32), 8000, 2);
send_segment_event (element);
push_buffer (test_buffer_const_float_stereo (8000, 512, -1.369, 0.0));
send_eos_event (element);
tag_list = poll_tags_followed_by_eos (element);
fail_unless_track_peak (tag_list, 1.369);
gst_tag_list_unref (tag_list);
/* Swapped channels. */
send_flush_events (element);
send_segment_event (element);
push_buffer (test_buffer_const_float_stereo (8000, 512, 0.0, -1.369));
send_eos_event (element);
tag_list = poll_tags_followed_by_eos (element);
fail_unless_track_peak (tag_list, 1.369);
gst_tag_list_unref (tag_list);
/* Mono. */
send_flush_events (element);
send_caps_event (GST_AUDIO_NE (F32), 8000, 1);
send_segment_event (element);
push_buffer (test_buffer_const_float_mono (8000, 512, -1.369));
send_eos_event (element);
tag_list = poll_tags_followed_by_eos (element);
fail_unless_track_peak (tag_list, 1.369);
gst_tag_list_unref (tag_list);
cleanup_rganalysis (element);
}
GST_END_TEST;
GST_START_TEST (test_peak_int16_16)
{
GstElement *element = setup_rganalysis ();
GstTagList *tag_list;
set_playing_state (element);
/* Half amplitude. */
send_stream_start_event (element);
send_caps_event (GST_AUDIO_NE (S16), 8000, 2);
send_segment_event (element);
push_buffer (test_buffer_const_int16_stereo (8000, 16, 512, 1 << 14, 0));
send_eos_event (element);
tag_list = poll_tags_followed_by_eos (element);
fail_unless_track_peak (tag_list, 0.5);
gst_tag_list_unref (tag_list);
/* Swapped channels. */
send_flush_events (element);
send_caps_event (GST_AUDIO_NE (S16), 8000, 2);
send_segment_event (element);
push_buffer (test_buffer_const_int16_stereo (8000, 16, 512, 0, 1 << 14));
send_eos_event (element);
tag_list = poll_tags_followed_by_eos (element);
fail_unless_track_peak (tag_list, 0.5);
gst_tag_list_unref (tag_list);
/* Mono. */
send_flush_events (element);
send_caps_event (GST_AUDIO_NE (S16), 8000, 1);
send_segment_event (element);
push_buffer (test_buffer_const_int16_mono (8000, 16, 512, 1 << 14));
send_eos_event (element);
tag_list = poll_tags_followed_by_eos (element);
fail_unless_track_peak (tag_list, 0.5);
gst_tag_list_unref (tag_list);
/* Half amplitude, negative variant. */
send_flush_events (element);
send_caps_event (GST_AUDIO_NE (S16), 8000, 2);
send_segment_event (element);
push_buffer (test_buffer_const_int16_stereo (8000, 16, 512, -(1 << 14), 0));
send_eos_event (element);
tag_list = poll_tags_followed_by_eos (element);
fail_unless_track_peak (tag_list, 0.5);
gst_tag_list_unref (tag_list);
/* Swapped channels. */
send_flush_events (element);
send_caps_event (GST_AUDIO_NE (S16), 8000, 2);
send_segment_event (element);
push_buffer (test_buffer_const_int16_stereo (8000, 16, 512, 0, -(1 << 14)));
send_eos_event (element);
tag_list = poll_tags_followed_by_eos (element);
fail_unless_track_peak (tag_list, 0.5);
gst_tag_list_unref (tag_list);
/* Mono. */
send_flush_events (element);
send_caps_event (GST_AUDIO_NE (S16), 8000, 1);
send_segment_event (element);
push_buffer (test_buffer_const_int16_mono (8000, 16, 512, -(1 << 14)));
send_eos_event (element);
tag_list = poll_tags_followed_by_eos (element);
fail_unless_track_peak (tag_list, 0.5);
gst_tag_list_unref (tag_list);
/* Now check for correct normalization of the peak value: Sample
* values of this format range from -32768 to 32767. So for the
* highest positive amplitude we do not reach 1.0, only for
* -32768! */
send_flush_events (element);
send_caps_event (GST_AUDIO_NE (S16), 8000, 2);
send_segment_event (element);
push_buffer (test_buffer_const_int16_stereo (8000, 16, 512, 32767, 0));
send_eos_event (element);
tag_list = poll_tags_followed_by_eos (element);
fail_unless_track_peak (tag_list, 32767. / 32768.);
gst_tag_list_unref (tag_list);
/* Swapped channels. */
send_flush_events (element);
send_caps_event (GST_AUDIO_NE (S16), 8000, 2);
send_segment_event (element);
push_buffer (test_buffer_const_int16_stereo (8000, 16, 512, 0, 32767));
send_eos_event (element);
tag_list = poll_tags_followed_by_eos (element);
fail_unless_track_peak (tag_list, 32767. / 32768.);
gst_tag_list_unref (tag_list);
/* Mono. */
send_flush_events (element);
send_caps_event (GST_AUDIO_NE (S16), 8000, 1);
send_segment_event (element);
push_buffer (test_buffer_const_int16_mono (8000, 16, 512, 32767));
send_eos_event (element);
tag_list = poll_tags_followed_by_eos (element);
fail_unless_track_peak (tag_list, 32767. / 32768.);
gst_tag_list_unref (tag_list);
/* Negative variant, reaching 1.0. */
send_flush_events (element);
send_caps_event (GST_AUDIO_NE (S16), 8000, 2);
send_segment_event (element);
push_buffer (test_buffer_const_int16_stereo (8000, 16, 512, -32768, 0));
send_eos_event (element);
tag_list = poll_tags_followed_by_eos (element);
fail_unless_track_peak (tag_list, 1.0);
gst_tag_list_unref (tag_list);
/* Swapped channels. */
send_flush_events (element);
send_caps_event (GST_AUDIO_NE (S16), 8000, 2);
send_segment_event (element);
push_buffer (test_buffer_const_int16_stereo (8000, 16, 512, 0, -32768));
send_eos_event (element);
tag_list = poll_tags_followed_by_eos (element);
fail_unless_track_peak (tag_list, 1.0);
gst_tag_list_unref (tag_list);
/* Mono. */
send_flush_events (element);
send_caps_event (GST_AUDIO_NE (S16), 8000, 1);
send_segment_event (element);
push_buffer (test_buffer_const_int16_mono (8000, 16, 512, -32768));
send_eos_event (element);
tag_list = poll_tags_followed_by_eos (element);
fail_unless_track_peak (tag_list, 1.0);
gst_tag_list_unref (tag_list);
cleanup_rganalysis (element);
}
GST_END_TEST;
GST_START_TEST (test_peak_album)
{
GstElement *element = setup_rganalysis ();
GstTagList *tag_list;
g_object_set (element, "num-tracks", 2, NULL);
set_playing_state (element);
send_stream_start_event (element);
send_caps_event (GST_AUDIO_NE (F32), 8000, 2);
send_segment_event (element);
push_buffer (test_buffer_const_float_stereo (8000, 1024, 1.0, 0.0));
send_eos_event (element);
tag_list = poll_tags_followed_by_eos (element);
fail_unless_track_peak (tag_list, 1.0);
fail_if_album_tags (tag_list);
gst_tag_list_unref (tag_list);
fail_unless_num_tracks (element, 1);
send_flush_events (element);
send_segment_event (element);
push_buffer (test_buffer_const_float_stereo (8000, 1024, 0.0, 0.5));
send_eos_event (element);
tag_list = poll_tags_followed_by_eos (element);
fail_unless_track_peak (tag_list, 0.5);
fail_unless_album_peak (tag_list, 1.0);
gst_tag_list_unref (tag_list);
fail_unless_num_tracks (element, 0);
/* Try a second album: */
g_object_set (element, "num-tracks", 3, NULL);
send_flush_events (element);
send_segment_event (element);
push_buffer (test_buffer_const_float_stereo (8000, 1024, 0.4, 0.4));
send_eos_event (element);
tag_list = poll_tags_followed_by_eos (element);
fail_unless_track_peak (tag_list, 0.4);
fail_if_album_tags (tag_list);
gst_tag_list_unref (tag_list);
fail_unless_num_tracks (element, 2);
send_flush_events (element);
send_segment_event (element);
push_buffer (test_buffer_const_float_stereo (8000, 1024, 0.45, 0.45));
send_eos_event (element);
tag_list = poll_tags_followed_by_eos (element);
fail_unless_track_peak (tag_list, 0.45);
fail_if_album_tags (tag_list);
gst_tag_list_unref (tag_list);
fail_unless_num_tracks (element, 1);
send_flush_events (element);
send_segment_event (element);
push_buffer (test_buffer_const_float_stereo (8000, 1024, 0.2, 0.2));
send_eos_event (element);
tag_list = poll_tags_followed_by_eos (element);
fail_unless_track_peak (tag_list, 0.2);
fail_unless_album_peak (tag_list, 0.45);
gst_tag_list_unref (tag_list);
fail_unless_num_tracks (element, 0);
/* And now a single track, not in album mode (num-tracks is 0
* now): */
send_flush_events (element);
send_segment_event (element);
push_buffer (test_buffer_const_float_stereo (8000, 1024, 0.1, 0.1));
send_eos_event (element);
tag_list = poll_tags_followed_by_eos (element);
fail_unless_track_peak (tag_list, 0.1);
fail_if_album_tags (tag_list);
gst_tag_list_unref (tag_list);
cleanup_rganalysis (element);
}
GST_END_TEST;
/* Switching from track to album mode. */
GST_START_TEST (test_peak_track_album)
{
GstElement *element = setup_rganalysis ();
GstTagList *tag_list;
set_playing_state (element);
send_stream_start_event (element);
send_caps_event (GST_AUDIO_NE (F32), 8000, 1);
send_segment_event (element);
push_buffer (test_buffer_const_float_mono (8000, 1024, 1.0));
send_eos_event (element);
tag_list = poll_tags_followed_by_eos (element);
fail_unless_track_peak (tag_list, 1.0);
fail_if_album_tags (tag_list);
gst_tag_list_unref (tag_list);
g_object_set (element, "num-tracks", 1, NULL);
send_flush_events (element);
send_segment_event (element);
push_buffer (test_buffer_const_float_mono (8000, 1024, 0.5));
send_eos_event (element);
tag_list = poll_tags_followed_by_eos (element);
fail_unless_track_peak (tag_list, 0.5);
fail_unless_album_peak (tag_list, 0.5);
gst_tag_list_unref (tag_list);
fail_unless_num_tracks (element, 0);
cleanup_rganalysis (element);
}
GST_END_TEST;
/* Disabling album processing before the end of the album. Probably a rare edge
* case and applications should not rely on this to work. They need to send the
* element to the READY state to clear up after an aborted album anyway since
* they might need to process another album afterwards. */
GST_START_TEST (test_peak_album_abort_to_track)
{
GstElement *element = setup_rganalysis ();
GstTagList *tag_list;
g_object_set (element, "num-tracks", 2, NULL);
set_playing_state (element);
send_stream_start_event (element);
send_caps_event (GST_AUDIO_NE (F32), 8000, 2);
send_segment_event (element);
push_buffer (test_buffer_const_float_stereo (8000, 1024, 1.0, 0.0));
send_eos_event (element);
tag_list = poll_tags_followed_by_eos (element);
fail_unless_track_peak (tag_list, 1.0);
fail_if_album_tags (tag_list);
gst_tag_list_unref (tag_list);
fail_unless_num_tracks (element, 1);
g_object_set (element, "num-tracks", 0, NULL);
send_flush_events (element);
send_segment_event (element);
push_buffer (test_buffer_const_float_stereo (8000, 1024, 0.0, 0.5));
send_eos_event (element);
tag_list = poll_tags_followed_by_eos (element);
fail_unless_track_peak (tag_list, 0.5);
fail_if_album_tags (tag_list);
gst_tag_list_unref (tag_list);
cleanup_rganalysis (element);
}
GST_END_TEST;
GST_START_TEST (test_gain_album)
{
GstElement *element = setup_rganalysis ();
GstTagList *tag_list;
gint accumulator;
gint i;
g_object_set (element, "num-tracks", 3, NULL);
set_playing_state (element);
/* The three tracks are constructed such that if any of these is in fact
* ignored for the album gain, the album gain will differ. */
send_stream_start_event (element);
send_caps_event (GST_AUDIO_NE (F32), 44100, 2);
send_segment_event (element);
accumulator = 0;
for (i = 8; i--;)
push_buffer (test_buffer_square_float_stereo (&accumulator, 44100, 512,
0.75, 0.75));
send_eos_event (element);
tag_list = poll_tags_followed_by_eos (element);
fail_unless_track_peak (tag_list, 0.75);
fail_unless_track_gain (tag_list, -15.70);
fail_if_album_tags (tag_list);
gst_tag_list_unref (tag_list);
send_flush_events (element);
send_segment_event (element);
accumulator = 0;
for (i = 12; i--;)
push_buffer (test_buffer_square_float_stereo (&accumulator, 44100, 512,
0.5, 0.5));
send_eos_event (element);
tag_list = poll_tags_followed_by_eos (element);
fail_unless_track_peak (tag_list, 0.5);
fail_unless_track_gain (tag_list, -12.22);
fail_if_album_tags (tag_list);
gst_tag_list_unref (tag_list);
send_flush_events (element);
send_segment_event (element);
accumulator = 0;
for (i = 180; i--;)
push_buffer (test_buffer_square_float_stereo (&accumulator, 44100, 512,
0.25, 0.25));
send_eos_event (element);
tag_list = poll_tags_followed_by_eos (element);
fail_unless_track_peak (tag_list, 0.25);
fail_unless_track_gain (tag_list, -6.20);
fail_unless_album_peak (tag_list, 0.75);
/* Strangely, wavegain reports -12.17 for the album, but the fixed
* metaflac agrees to us. Could be a 32767 vs. 32768 issue. */
fail_unless_album_gain (tag_list, -12.18);
gst_tag_list_unref (tag_list);
cleanup_rganalysis (element);
}
GST_END_TEST;
/* Checks ensuring that the "forced" property works as advertised. */
GST_START_TEST (test_forced)
{
GstElement *element = setup_rganalysis ();
GstTagList *tag_list;
gint accumulator = 0;
gint i;
g_object_set (element, "forced", FALSE, NULL);
set_playing_state (element);
send_stream_start_event (element);
send_caps_event (GST_AUDIO_NE (F32), 44100, 2);
send_segment_event (element);
tag_list = gst_tag_list_new_empty ();
/* Provided values are totally arbitrary. */
gst_tag_list_add (tag_list, GST_TAG_MERGE_APPEND,
GST_TAG_TRACK_PEAK, 1.0, GST_TAG_TRACK_GAIN, 2.21, NULL);
send_tag_event (element, tag_list);
for (i = 20; i--;)
push_buffer (test_buffer_const_float_stereo (44100, 512, 0.5, 0.5));
send_eos_event (element);
/* This fails if a tag message is generated: */
/* Same values as above */
tag_list = poll_tags_followed_by_eos (element);
fail_unless_track_gain (tag_list, 2.21);
fail_unless_track_peak (tag_list, 1.0);
gst_tag_list_unref (tag_list);
/* Now back to a track without tags. */
send_flush_events (element);
send_segment_event (element);
for (i = 20; i--;)
push_buffer (test_buffer_square_float_stereo (&accumulator, 44100, 512,
0.25, 0.25));
send_eos_event (element);
tag_list = poll_tags_followed_by_eos (element);
fail_unless_track_peak (tag_list, 0.25);
fail_unless_track_gain (tag_list, get_expected_gain (44100));
gst_tag_list_unref (tag_list);
cleanup_rganalysis (element);
}
GST_END_TEST;
/* Sending track gain and peak in separate tag lists. */
GST_START_TEST (test_forced_separate)
{
GstElement *element = setup_rganalysis ();
GstTagList *tag_list;
gint accumulator = 0;
gint i;
g_object_set (element, "forced", FALSE, NULL);
set_playing_state (element);
send_stream_start_event (element);
send_caps_event (GST_AUDIO_NE (F32), 44100, 2);
send_segment_event (element);
tag_list = gst_tag_list_new_empty ();
gst_tag_list_add (tag_list, GST_TAG_MERGE_APPEND, GST_TAG_TRACK_GAIN, 2.21,
NULL);
send_tag_event (element, tag_list);
tag_list = gst_tag_list_new_empty ();
gst_tag_list_add (tag_list, GST_TAG_MERGE_APPEND, GST_TAG_TRACK_PEAK, 1.0,
NULL);
send_tag_event (element, tag_list);
for (i = 20; i--;)
push_buffer (test_buffer_square_float_stereo (&accumulator, 44100, 512,
0.5, 0.5));
send_eos_event (element);
/* Same values as above */
tag_list = poll_tags_only (element);
fail_unless_track_gain (tag_list, 2.21);
gst_tag_list_unref (tag_list);
tag_list = poll_tags_followed_by_eos (element);
fail_unless_track_peak (tag_list, 1.0);
gst_tag_list_unref (tag_list);
/* Now a track without tags. */
send_flush_events (element);
send_segment_event (element);
accumulator = 0;
for (i = 20; i--;)
push_buffer (test_buffer_square_float_stereo (&accumulator, 44100, 512,
0.25, 0.25));
send_eos_event (element);
tag_list = poll_tags_followed_by_eos (element);
fail_unless_track_peak (tag_list, 0.25);
fail_unless_track_gain (tag_list, get_expected_gain (44100));
fail_if_album_tags (tag_list);
gst_tag_list_unref (tag_list);
cleanup_rganalysis (element);
}
GST_END_TEST;
/* A TAG event is sent _after_ data has already been processed. In real
* pipelines, this could happen if there is more than one rganalysis element (by
* accident). While it would have analyzed all the data prior to receiving the
* event, I expect it to not post its results if not forced. This test is
* almost equivalent to test_forced. */
GST_START_TEST (test_forced_after_data)
{
GstElement *element = setup_rganalysis ();
GstTagList *tag_list;
gint accumulator = 0;
gint i;
g_object_set (element, "forced", FALSE, NULL);
set_playing_state (element);
send_stream_start_event (element);
send_caps_event (GST_AUDIO_NE (F32), 8000, 2);
send_segment_event (element);
for (i = 20; i--;)
push_buffer (test_buffer_const_float_stereo (8000, 512, 0.5, 0.5));
tag_list = gst_tag_list_new_empty ();
gst_tag_list_add (tag_list, GST_TAG_MERGE_APPEND,
GST_TAG_TRACK_PEAK, 1.0, GST_TAG_TRACK_GAIN, 2.21, NULL);
send_tag_event (element, tag_list);
send_eos_event (element);
/* Same values as above */
tag_list = poll_tags_followed_by_eos (element);
fail_unless_track_gain (tag_list, 2.21);
fail_unless_track_peak (tag_list, 1.0);
gst_tag_list_unref (tag_list);
send_flush_events (element);
send_segment_event (element);
/* Now back to a normal track, this one has no tags: */
for (i = 20; i--;)
push_buffer (test_buffer_square_float_stereo (&accumulator, 8000, 512, 0.25,
0.25));
send_eos_event (element);
tag_list = poll_tags_followed_by_eos (element);
fail_unless_track_peak (tag_list, 0.25);
fail_unless_track_gain (tag_list, get_expected_gain (8000));
gst_tag_list_unref (tag_list);
cleanup_rganalysis (element);
}
GST_END_TEST;
/* Like test_forced, but *analyze* an album afterwards. The two tests following
* this one check the *skipping* of albums. */
GST_START_TEST (test_forced_album)
{
GstElement *element = setup_rganalysis ();
GstTagList *tag_list;
gint accumulator;
gint i;
g_object_set (element, "forced", FALSE, NULL);
set_playing_state (element);
send_stream_start_event (element);
send_caps_event (GST_AUDIO_NE (F32), 44100, 2);
send_segment_event (element);
tag_list = gst_tag_list_new_empty ();
/* Provided values are totally arbitrary. */
gst_tag_list_add (tag_list, GST_TAG_MERGE_APPEND,
GST_TAG_TRACK_PEAK, 1.0, GST_TAG_TRACK_GAIN, 2.21, NULL);
send_tag_event (element, tag_list);
accumulator = 0;
for (i = 20; i--;)
push_buffer (test_buffer_square_float_stereo (&accumulator, 44100, 512,
0.5, 0.5));
send_eos_event (element);
/* Same values as above */
tag_list = poll_tags_followed_by_eos (element);
fail_unless_track_gain (tag_list, 2.21);
fail_unless_track_peak (tag_list, 1.0);
gst_tag_list_unref (tag_list);
/* Now an album without tags. */
g_object_set (element, "num-tracks", 2, NULL);
send_flush_events (element);
send_segment_event (element);
accumulator = 0;
for (i = 20; i--;)
push_buffer (test_buffer_square_float_stereo (&accumulator, 44100, 512,
0.25, 0.25));
send_eos_event (element);
tag_list = poll_tags_followed_by_eos (element);
fail_unless_track_peak (tag_list, 0.25);
fail_unless_track_gain (tag_list, get_expected_gain (44100));
fail_if_album_tags (tag_list);
gst_tag_list_unref (tag_list);
fail_unless_num_tracks (element, 1);
send_flush_events (element);
send_segment_event (element);
accumulator = 0;
for (i = 20; i--;)
push_buffer (test_buffer_square_float_stereo (&accumulator, 44100, 512,
0.25, 0.25));
send_eos_event (element);
tag_list = poll_tags_followed_by_eos (element);
fail_unless_track_peak (tag_list, 0.25);
fail_unless_track_gain (tag_list, get_expected_gain (44100));
fail_unless_album_peak (tag_list, 0.25);
fail_unless_album_gain (tag_list, get_expected_gain (44100));
gst_tag_list_unref (tag_list);
fail_unless_num_tracks (element, 0);
cleanup_rganalysis (element);
}
GST_END_TEST;
GST_START_TEST (test_forced_album_skip)
{
GstElement *element = setup_rganalysis ();
GstTagList *tag_list;
gint accumulator = 0;
gint i;
g_object_set (element, "forced", FALSE, "num-tracks", 2, NULL);
set_playing_state (element);
send_stream_start_event (element);
send_caps_event (GST_AUDIO_NE (F32), 8000, 2);
send_segment_event (element);
tag_list = gst_tag_list_new_empty ();
/* Provided values are totally arbitrary. */
gst_tag_list_add (tag_list, GST_TAG_MERGE_APPEND,
GST_TAG_TRACK_PEAK, 0.75, GST_TAG_TRACK_GAIN, 2.21,
GST_TAG_ALBUM_PEAK, 0.80, GST_TAG_ALBUM_GAIN, -0.11, NULL);
send_tag_event (element, tag_list);
for (i = 20; i--;)
push_buffer (test_buffer_square_float_stereo (&accumulator, 8000, 512, 0.25,
0.25));
send_eos_event (element);
/* Same values as above */
tag_list = poll_tags_followed_by_eos (element);
fail_unless_track_gain (tag_list, 2.21);
fail_unless_track_peak (tag_list, 0.75);
gst_tag_list_unref (tag_list);
fail_unless_num_tracks (element, 1);
/* This track has no tags, but needs to be skipped anyways since we
* are in album processing mode. */
send_flush_events (element);
send_segment_event (element);
for (i = 20; i--;)
push_buffer (test_buffer_const_float_stereo (8000, 512, 0.0, 0.0));
send_eos_event (element);
poll_eos (element);
fail_unless_num_tracks (element, 0);
/* Normal track after the album. Of course not to be skipped. */
send_flush_events (element);
send_segment_event (element);
accumulator = 0;
for (i = 20; i--;)
push_buffer (test_buffer_square_float_stereo (&accumulator, 8000, 512, 0.25,
0.25));
send_eos_event (element);
tag_list = poll_tags_followed_by_eos (element);
fail_unless_track_peak (tag_list, 0.25);
fail_unless_track_gain (tag_list, get_expected_gain (8000));
fail_if_album_tags (tag_list);
gst_tag_list_unref (tag_list);
cleanup_rganalysis (element);
}
GST_END_TEST;
GST_START_TEST (test_forced_album_no_skip)
{
GstElement *element = setup_rganalysis ();
GstTagList *tag_list;
gint accumulator = 0;
gint i;
g_object_set (element, "forced", FALSE, "num-tracks", 2, NULL);
set_playing_state (element);
send_stream_start_event (element);
send_caps_event (GST_AUDIO_NE (F32), 8000, 2);
send_segment_event (element);
for (i = 20; i--;)
push_buffer (test_buffer_square_float_stereo (&accumulator, 8000, 512, 0.25,
0.25));
send_eos_event (element);
tag_list = poll_tags_followed_by_eos (element);
fail_unless_track_peak (tag_list, 0.25);
fail_unless_track_gain (tag_list, get_expected_gain (8000));
fail_if_album_tags (tag_list);
gst_tag_list_unref (tag_list);
fail_unless_num_tracks (element, 1);
/* The second track has indeed full tags, but although being not forced, this
* one has to be processed because album processing is on. */
send_flush_events (element);
send_segment_event (element);
tag_list = gst_tag_list_new_empty ();
/* Provided values are totally arbitrary. */
gst_tag_list_add (tag_list, GST_TAG_MERGE_APPEND,
GST_TAG_TRACK_PEAK, 0.75, GST_TAG_TRACK_GAIN, 2.21,
GST_TAG_ALBUM_PEAK, 0.80, GST_TAG_ALBUM_GAIN, -0.11, NULL);
send_tag_event (element, tag_list);
for (i = 20; i--;)
push_buffer (test_buffer_const_float_stereo (8000, 512, 0.0, 0.0));
send_eos_event (element);
/* the first batch from the tags */
tag_list = poll_tags_only (element);
fail_unless_track_peak (tag_list, 0.75);
fail_unless_track_gain (tag_list, 2.21);
gst_tag_list_unref (tag_list);
/* the second from the processing */
tag_list = poll_tags_followed_by_eos (element);
fail_unless_track_peak (tag_list, 0.0);
fail_unless_track_gain (tag_list, SILENCE_GAIN);
/* Second track was just silence so the album peak equals the first
* track's peak. */
fail_unless_album_peak (tag_list, 0.25);
/* Statistical processing leads to the second track being
* ignored for the gain (because it is so short): */
fail_unless_album_gain (tag_list, get_expected_gain (8000));
gst_tag_list_unref (tag_list);
fail_unless_num_tracks (element, 0);
cleanup_rganalysis (element);
}
GST_END_TEST;
GST_START_TEST (test_forced_abort_album_no_skip)
{
GstElement *element = setup_rganalysis ();
GstTagList *tag_list;
gint accumulator = 0;
gint i;
g_object_set (element, "forced", FALSE, "num-tracks", 2, NULL);
set_playing_state (element);
send_stream_start_event (element);
send_caps_event (GST_AUDIO_NE (F32), 8000, 2);
send_segment_event (element);
for (i = 20; i--;)
push_buffer (test_buffer_square_float_stereo (&accumulator, 8000, 512, 0.25,
0.25));
send_eos_event (element);
tag_list = poll_tags_followed_by_eos (element);
fail_unless_track_peak (tag_list, 0.25);
fail_unless_track_gain (tag_list, get_expected_gain (8000));
fail_if_album_tags (tag_list);
gst_tag_list_unref (tag_list);
fail_unless_num_tracks (element, 1);
/* Disabling album processing before end of album: */
g_object_set (element, "num-tracks", 0, NULL);
send_flush_events (element);
send_segment_event (element);
/* Processing a track that has to be skipped. */
tag_list = gst_tag_list_new_empty ();
/* Provided values are totally arbitrary. */
gst_tag_list_add (tag_list, GST_TAG_MERGE_APPEND,
GST_TAG_TRACK_PEAK, 0.75, GST_TAG_TRACK_GAIN, 2.21,
GST_TAG_ALBUM_PEAK, 0.80, GST_TAG_ALBUM_GAIN, -0.11, NULL);
send_tag_event (element, tag_list);
for (i = 20; i--;)
push_buffer (test_buffer_const_float_stereo (8000, 512, 0.0, 0.0));
send_eos_event (element);
tag_list = poll_tags_followed_by_eos (element);
fail_unless_track_peak (tag_list, 0.75);
fail_unless_track_gain (tag_list, 2.21);
gst_tag_list_unref (tag_list);
cleanup_rganalysis (element);
}
GST_END_TEST;
GST_START_TEST (test_reference_level)
{
GstElement *element = setup_rganalysis ();
GstTagList *tag_list;
gdouble ref_level;
gint accumulator = 0;
gint i;
set_playing_state (element);
send_stream_start_event (element);
send_caps_event (GST_AUDIO_NE (F32), 44100, 2);
send_segment_event (element);
for (i = 20; i--;)
push_buffer (test_buffer_square_float_stereo (&accumulator, 44100, 512,
0.25, 0.25));
send_eos_event (element);
tag_list = poll_tags_followed_by_eos (element);
fail_unless_track_peak (tag_list, 0.25);
fail_unless_track_gain (tag_list, get_expected_gain (44100));
fail_if_album_tags (tag_list);
fail_unless (gst_tag_list_get_double (tag_list, GST_TAG_REFERENCE_LEVEL,
&ref_level) && MATCH_GAIN (ref_level, 89.),
"Incorrect reference level tag");
gst_tag_list_unref (tag_list);
g_object_set (element, "reference-level", 83., "num-tracks", 2, NULL);
send_flush_events (element);
send_segment_event (element);
for (i = 20; i--;)
push_buffer (test_buffer_square_float_stereo (&accumulator, 44100, 512,
0.25, 0.25));
send_eos_event (element);
tag_list = poll_tags_followed_by_eos (element);
fail_unless_track_peak (tag_list, 0.25);
fail_unless_track_gain (tag_list, get_expected_gain (44100) - 6.);
fail_if_album_tags (tag_list);
fail_unless (gst_tag_list_get_double (tag_list, GST_TAG_REFERENCE_LEVEL,
&ref_level) && MATCH_GAIN (ref_level, 83.),
"Incorrect reference level tag");
gst_tag_list_unref (tag_list);
send_flush_events (element);
send_segment_event (element);
accumulator = 0;
for (i = 20; i--;)
push_buffer (test_buffer_square_float_stereo (&accumulator, 44100, 512,
0.25, 0.25));
send_eos_event (element);
tag_list = poll_tags_followed_by_eos (element);
fail_unless_track_peak (tag_list, 0.25);
fail_unless_track_gain (tag_list, get_expected_gain (44100) - 6.);
fail_unless_album_peak (tag_list, 0.25);
/* We provided the same waveform twice, with a reset separating
* them. Therefore, the album gain matches the track gain. */
fail_unless_album_gain (tag_list, get_expected_gain (44100) - 6.);
fail_unless (gst_tag_list_get_double (tag_list, GST_TAG_REFERENCE_LEVEL,
&ref_level) && MATCH_GAIN (ref_level, 83.),
"Incorrect reference level tag");
gst_tag_list_unref (tag_list);
cleanup_rganalysis (element);
}
GST_END_TEST;
GST_START_TEST (test_all_formats)
{
GstElement *element = setup_rganalysis ();
GstTagList *tag_list;
gint accumulator = 0;
gint i, j;
set_playing_state (element);
send_stream_start_event (element);
for (i = G_N_ELEMENTS (supported_rates); i--;) {
send_flush_events (element);
send_caps_event (GST_AUDIO_NE (F32), supported_rates[i].sample_rate, 2);
send_segment_event (element);
accumulator = 0;
for (j = 0; j < 4; j++)
push_buffer (test_buffer_square_float_stereo (&accumulator,
supported_rates[i].sample_rate, 512, 0.25, 0.25));
send_caps_event (GST_AUDIO_NE (F32), supported_rates[i].sample_rate, 1);
for (j = 0; j < 3; j++)
push_buffer (test_buffer_square_float_mono (&accumulator,
supported_rates[i].sample_rate, 512, 0.25));
send_caps_event (GST_AUDIO_NE (S16), supported_rates[i].sample_rate, 2);
for (j = 0; j < 4; j++)
push_buffer (test_buffer_square_int16_stereo (&accumulator,
supported_rates[i].sample_rate, 16, 512, 1 << 13, 1 << 13));
send_caps_event (GST_AUDIO_NE (S16), supported_rates[i].sample_rate, 1);
for (j = 0; j < 3; j++)
push_buffer (test_buffer_square_int16_mono (&accumulator,
supported_rates[i].sample_rate, 16, 512, 1 << 13));
send_eos_event (element);
tag_list = poll_tags_followed_by_eos (element);
fail_unless_track_peak (tag_list, 0.25);
fail_unless_track_gain (tag_list, supported_rates[i].gain);
gst_tag_list_unref (tag_list);
}
cleanup_rganalysis (element);
}
GST_END_TEST;
/* Checks ensuring all advertised supported sample rates are really
* accepted, for integer and float, mono and stereo. This also
* verifies that the correct gain is computed for all formats (except
* odd bit depths). */
#define MAKE_GAIN_TEST_FLOAT_MONO(sample_rate) \
GST_START_TEST (test_gain_float_mono_##sample_rate) \
{ \
GstElement *element = setup_rganalysis (); \
GstTagList *tag_list; \
gint accumulator = 0; \
gint i; \
\
set_playing_state (element); \
send_stream_start_event (element); \
send_caps_event (GST_AUDIO_NE (F32), sample_rate, 1); \
send_segment_event (element); \
\
for (i = 0; i < 20; i++) \
push_buffer (test_buffer_square_float_mono (&accumulator, \
sample_rate, 512, 0.25)); \
send_eos_event (element); \
tag_list = poll_tags_followed_by_eos (element); \
fail_unless_track_peak (tag_list, 0.25); \
fail_unless_track_gain (tag_list, \
get_expected_gain (sample_rate)); \
gst_tag_list_unref (tag_list); \
\
cleanup_rganalysis (element); \
} \
\
GST_END_TEST;
#define MAKE_GAIN_TEST_FLOAT_STEREO(sample_rate) \
GST_START_TEST (test_gain_float_stereo_##sample_rate) \
{ \
GstElement *element = setup_rganalysis (); \
GstTagList *tag_list; \
gint accumulator = 0; \
gint i; \
\
set_playing_state (element); \
send_stream_start_event (element); \
send_caps_event (GST_AUDIO_NE (F32), sample_rate, 2); \
send_segment_event (element); \
\
for (i = 0; i < 20; i++) \
push_buffer (test_buffer_square_float_stereo (&accumulator, \
sample_rate, 512, 0.25, 0.25)); \
send_eos_event (element); \
tag_list = poll_tags_followed_by_eos (element); \
fail_unless_track_peak (tag_list, 0.25); \
fail_unless_track_gain (tag_list, \
get_expected_gain (sample_rate)); \
gst_tag_list_unref (tag_list); \
\
cleanup_rganalysis (element); \
} \
\
GST_END_TEST;
#define MAKE_GAIN_TEST_INT16_MONO(sample_rate, depth) \
GST_START_TEST (test_gain_int16_##depth##_mono_##sample_rate) \
{ \
GstElement *element = setup_rganalysis (); \
GstTagList *tag_list; \
gint accumulator = 0; \
gint i; \
\
set_playing_state (element); \
send_stream_start_event (element); \
send_caps_event (GST_AUDIO_NE (S16), sample_rate, 1); \
send_segment_event (element); \
\
for (i = 0; i < 20; i++) \
push_buffer (test_buffer_square_int16_mono (&accumulator, \
sample_rate, depth, 512, 1 << (13 + depth - 16))); \
\
send_eos_event (element); \
tag_list = poll_tags_followed_by_eos (element); \
fail_unless_track_peak (tag_list, 0.25); \
fail_unless_track_gain (tag_list, \
get_expected_gain (sample_rate)); \
gst_tag_list_unref (tag_list); \
\
cleanup_rganalysis (element); \
} \
\
GST_END_TEST;
#define MAKE_GAIN_TEST_INT16_STEREO(sample_rate, depth) \
GST_START_TEST (test_gain_int16_##depth##_stereo_##sample_rate) \
{ \
GstElement *element = setup_rganalysis (); \
GstTagList *tag_list; \
gint accumulator = 0; \
gint i; \
\
set_playing_state (element); \
send_stream_start_event (element); \
send_caps_event (GST_AUDIO_NE (S16), sample_rate, 2); \
send_segment_event (element); \
\
for (i = 0; i < 20; i++) \
push_buffer (test_buffer_square_int16_stereo (&accumulator, \
sample_rate, depth, 512, 1 << (13 + depth - 16), \
1 << (13 + depth - 16))); \
send_eos_event (element); \
tag_list = poll_tags_followed_by_eos (element); \
fail_unless_track_peak (tag_list, 0.25); \
fail_unless_track_gain (tag_list, \
get_expected_gain (sample_rate)); \
gst_tag_list_unref (tag_list); \
\
cleanup_rganalysis (element); \
} \
\
GST_END_TEST;
MAKE_GAIN_TEST_FLOAT_MONO (8000);
MAKE_GAIN_TEST_FLOAT_MONO (11025);
MAKE_GAIN_TEST_FLOAT_MONO (12000);
MAKE_GAIN_TEST_FLOAT_MONO (16000);
MAKE_GAIN_TEST_FLOAT_MONO (22050);
MAKE_GAIN_TEST_FLOAT_MONO (24000);
MAKE_GAIN_TEST_FLOAT_MONO (32000);
MAKE_GAIN_TEST_FLOAT_MONO (44100);
MAKE_GAIN_TEST_FLOAT_MONO (48000);
MAKE_GAIN_TEST_FLOAT_STEREO (8000);
MAKE_GAIN_TEST_FLOAT_STEREO (11025);
MAKE_GAIN_TEST_FLOAT_STEREO (12000);
MAKE_GAIN_TEST_FLOAT_STEREO (16000);
MAKE_GAIN_TEST_FLOAT_STEREO (22050);
MAKE_GAIN_TEST_FLOAT_STEREO (24000);
MAKE_GAIN_TEST_FLOAT_STEREO (32000);
MAKE_GAIN_TEST_FLOAT_STEREO (44100);
MAKE_GAIN_TEST_FLOAT_STEREO (48000);
MAKE_GAIN_TEST_INT16_MONO (8000, 16);
MAKE_GAIN_TEST_INT16_MONO (11025, 16);
MAKE_GAIN_TEST_INT16_MONO (12000, 16);
MAKE_GAIN_TEST_INT16_MONO (16000, 16);
MAKE_GAIN_TEST_INT16_MONO (22050, 16);
MAKE_GAIN_TEST_INT16_MONO (24000, 16);
MAKE_GAIN_TEST_INT16_MONO (32000, 16);
MAKE_GAIN_TEST_INT16_MONO (44100, 16);
MAKE_GAIN_TEST_INT16_MONO (48000, 16);
MAKE_GAIN_TEST_INT16_STEREO (8000, 16);
MAKE_GAIN_TEST_INT16_STEREO (11025, 16);
MAKE_GAIN_TEST_INT16_STEREO (12000, 16);
MAKE_GAIN_TEST_INT16_STEREO (16000, 16);
MAKE_GAIN_TEST_INT16_STEREO (22050, 16);
MAKE_GAIN_TEST_INT16_STEREO (24000, 16);
MAKE_GAIN_TEST_INT16_STEREO (32000, 16);
MAKE_GAIN_TEST_INT16_STEREO (44100, 16);
MAKE_GAIN_TEST_INT16_STEREO (48000, 16);
static Suite *
rganalysis_suite (void)
{
Suite *s = suite_create ("rganalysis");
TCase *tc_chain = tcase_create ("general");
suite_add_tcase (s, tc_chain);
tcase_add_test (tc_chain, test_no_buffer);
tcase_add_test (tc_chain, test_no_buffer_album_1);
tcase_add_test (tc_chain, test_no_buffer_album_2);
tcase_add_test (tc_chain, test_empty_buffers);
tcase_add_test (tc_chain, test_peak_float);
tcase_add_test (tc_chain, test_peak_int16_16);
tcase_add_test (tc_chain, test_peak_album);
tcase_add_test (tc_chain, test_peak_track_album);
tcase_add_test (tc_chain, test_peak_album_abort_to_track);
tcase_add_test (tc_chain, test_gain_album);
tcase_add_test (tc_chain, test_forced);
tcase_add_test (tc_chain, test_forced_separate);
tcase_add_test (tc_chain, test_forced_after_data);
tcase_add_test (tc_chain, test_forced_album);
tcase_add_test (tc_chain, test_forced_album_skip);
tcase_add_test (tc_chain, test_forced_album_no_skip);
tcase_add_test (tc_chain, test_forced_abort_album_no_skip);
tcase_add_test (tc_chain, test_reference_level);
tcase_add_test (tc_chain, test_all_formats);
tcase_add_test (tc_chain, test_gain_float_mono_8000);
tcase_add_test (tc_chain, test_gain_float_mono_11025);
tcase_add_test (tc_chain, test_gain_float_mono_12000);
tcase_add_test (tc_chain, test_gain_float_mono_16000);
tcase_add_test (tc_chain, test_gain_float_mono_22050);
tcase_add_test (tc_chain, test_gain_float_mono_24000);
tcase_add_test (tc_chain, test_gain_float_mono_32000);
tcase_add_test (tc_chain, test_gain_float_mono_44100);
tcase_add_test (tc_chain, test_gain_float_mono_48000);
tcase_add_test (tc_chain, test_gain_float_stereo_8000);
tcase_add_test (tc_chain, test_gain_float_stereo_11025);
tcase_add_test (tc_chain, test_gain_float_stereo_12000);
tcase_add_test (tc_chain, test_gain_float_stereo_16000);
tcase_add_test (tc_chain, test_gain_float_stereo_22050);
tcase_add_test (tc_chain, test_gain_float_stereo_24000);
tcase_add_test (tc_chain, test_gain_float_stereo_32000);
tcase_add_test (tc_chain, test_gain_float_stereo_44100);
tcase_add_test (tc_chain, test_gain_float_stereo_48000);
tcase_add_test (tc_chain, test_gain_int16_16_mono_8000);
tcase_add_test (tc_chain, test_gain_int16_16_mono_11025);
tcase_add_test (tc_chain, test_gain_int16_16_mono_12000);
tcase_add_test (tc_chain, test_gain_int16_16_mono_16000);
tcase_add_test (tc_chain, test_gain_int16_16_mono_22050);
tcase_add_test (tc_chain, test_gain_int16_16_mono_24000);
tcase_add_test (tc_chain, test_gain_int16_16_mono_32000);
tcase_add_test (tc_chain, test_gain_int16_16_mono_44100);
tcase_add_test (tc_chain, test_gain_int16_16_mono_48000);
tcase_add_test (tc_chain, test_gain_int16_16_stereo_8000);
tcase_add_test (tc_chain, test_gain_int16_16_stereo_11025);
tcase_add_test (tc_chain, test_gain_int16_16_stereo_12000);
tcase_add_test (tc_chain, test_gain_int16_16_stereo_16000);
tcase_add_test (tc_chain, test_gain_int16_16_stereo_22050);
tcase_add_test (tc_chain, test_gain_int16_16_stereo_24000);
tcase_add_test (tc_chain, test_gain_int16_16_stereo_32000);
tcase_add_test (tc_chain, test_gain_int16_16_stereo_44100);
tcase_add_test (tc_chain, test_gain_int16_16_stereo_48000);
return s;
}
GST_CHECK_MAIN (rganalysis);