gstreamer/subprojects/gst-plugins-good/tests/check/elements/id3v2mux.c

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/* GStreamer
*
* unit test for the taglib-based id3v2mux element
*
* Copyright (C) 2006 Tim-Philipp Müller <tim centricular 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 <gst/check/gstcheck.h>
#include <gst/gst.h>
#include <string.h>
#define TEST_ARTIST "Ar T\303\255st"
#define TEST_TITLE "M\303\274llermilch!"
#define TEST_ALBUM "Boom"
#define TEST_DATE g_date_new_dmy(1,1,2006)
#define TEST_TRACK_NUMBER 7
#define TEST_TRACK_COUNT 19
#define TEST_VOLUME_NUMBER 2
#define TEST_VOLUME_COUNT 3
#define TEST_TRACK_GAIN 1.45
#define TEST_ALBUM_GAIN 0.78
#define TEST_TRACK_PEAK 0.83
#define TEST_ALBUM_PEAK 0.18
#define TEST_BPM 113.0
/* for dummy mp3 frame sized MP3_FRAME_SIZE bytes,
* start: ff fb b0 44 00 00 08 00 00 4b 00 00 00 00 00 00 */
static const guint8 mp3_dummyhdr[] = { 0xff, 0xfb, 0xb0, 0x44, 0x00, 0x00,
0x08, 0x00, 0x4b, 0x00, 0x00, 0x00, 0x00, 0x20, 0x00, 0x00
};
#define MP3_FRAME_SIZE 626
/* the peak and gain values are stored pretty roughly, so check that they're
* within 2% of the expected value.
*/
#define fail_unless_sorta_equals_float(a, b) \
G_STMT_START { \
double first = a; \
double second = b; \
fail_unless(fabs (first - second) < (0.02 * fabs (first)), \
"'" #a "' (%g) is not equal to '" #b "' (%g)", first, second); \
} G_STMT_END;
static GstTagList *
test_taglib_id3mux_create_tags (guint32 mask)
{
GstTagList *tags;
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tags = gst_tag_list_new_empty ();
if (mask & (1 << 0)) {
gst_tag_list_add (tags, GST_TAG_MERGE_KEEP,
GST_TAG_ARTIST, TEST_ARTIST, NULL);
}
if (mask & (1 << 1)) {
gst_tag_list_add (tags, GST_TAG_MERGE_KEEP,
GST_TAG_TITLE, TEST_TITLE, NULL);
}
if (mask & (1 << 2)) {
gst_tag_list_add (tags, GST_TAG_MERGE_KEEP,
GST_TAG_ALBUM, TEST_ALBUM, NULL);
}
if (mask & (1 << 3)) {
GDate *date;
date = TEST_DATE;
gst_tag_list_add (tags, GST_TAG_MERGE_KEEP, GST_TAG_DATE, date, NULL);
g_date_free (date);
}
if (mask & (1 << 4)) {
gst_tag_list_add (tags, GST_TAG_MERGE_KEEP,
GST_TAG_TRACK_NUMBER, TEST_TRACK_NUMBER, NULL);
}
if (mask & (1 << 5)) {
gst_tag_list_add (tags, GST_TAG_MERGE_KEEP,
GST_TAG_TRACK_COUNT, TEST_TRACK_COUNT, NULL);
}
if (mask & (1 << 6)) {
gst_tag_list_add (tags, GST_TAG_MERGE_KEEP,
GST_TAG_ALBUM_VOLUME_NUMBER, TEST_VOLUME_NUMBER, NULL);
}
if (mask & (1 << 7)) {
gst_tag_list_add (tags, GST_TAG_MERGE_KEEP,
GST_TAG_ALBUM_VOLUME_COUNT, TEST_VOLUME_COUNT, NULL);
}
if (mask & (1 << 8)) {
gst_tag_list_add (tags, GST_TAG_MERGE_KEEP,
GST_TAG_TRACK_GAIN, TEST_TRACK_GAIN, NULL);
}
if (mask & (1 << 9)) {
gst_tag_list_add (tags, GST_TAG_MERGE_KEEP,
GST_TAG_ALBUM_GAIN, TEST_ALBUM_GAIN, NULL);
}
if (mask & (1 << 10)) {
gst_tag_list_add (tags, GST_TAG_MERGE_KEEP,
GST_TAG_TRACK_PEAK, TEST_TRACK_PEAK, NULL);
}
if (mask & (1 << 11)) {
gst_tag_list_add (tags, GST_TAG_MERGE_KEEP,
GST_TAG_ALBUM_PEAK, TEST_ALBUM_PEAK, NULL);
}
if (mask & (1 << 12)) {
gst_tag_list_add (tags, GST_TAG_MERGE_KEEP,
GST_TAG_BEATS_PER_MINUTE, TEST_BPM, NULL);
}
if (mask & (1 << 13)) {
}
return tags;
}
static gboolean
utf8_string_in_buf (GstBuffer * buf, const gchar * s)
{
gint i, len;
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GstMapInfo map;
len = strlen (s);
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gst_buffer_map (buf, &map, GST_MAP_READ);
for (i = 0; i < (map.size - len); ++i) {
if (memcmp (map.data + i, s, len) == 0) {
gst_buffer_unmap (buf, &map);
return TRUE;
}
}
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gst_buffer_unmap (buf, &map);
return FALSE;
}
static void
test_taglib_id3mux_check_tag_buffer (GstBuffer * buf, guint32 mask)
{
/* make sure our UTF-8 string hasn't been put into the tag as ISO-8859-1 */
if (mask & (1 << 0)) {
fail_unless (utf8_string_in_buf (buf, TEST_ARTIST));
}
/* make sure our UTF-8 string hasn't been put into the tag as ISO-8859-1 */
if (mask & (1 << 1)) {
fail_unless (utf8_string_in_buf (buf, TEST_TITLE));
}
/* make sure our UTF-8 string hasn't been put into the tag as ISO-8859-1 */
if (mask & (1 << 2)) {
fail_unless (utf8_string_in_buf (buf, TEST_ALBUM));
}
}
static void
test_taglib_id3mux_check_tags (GstTagList * tags, guint32 mask)
{
if (mask & (1 << 0)) {
gchar *s = NULL;
fail_unless (gst_tag_list_get_string (tags, GST_TAG_ARTIST, &s));
fail_unless (g_str_equal (s, TEST_ARTIST));
g_free (s);
}
if (mask & (1 << 1)) {
gchar *s = NULL;
fail_unless (gst_tag_list_get_string (tags, GST_TAG_TITLE, &s));
fail_unless (g_str_equal (s, TEST_TITLE));
g_free (s);
}
if (mask & (1 << 2)) {
gchar *s = NULL;
fail_unless (gst_tag_list_get_string (tags, GST_TAG_ALBUM, &s));
fail_unless (g_str_equal (s, TEST_ALBUM));
g_free (s);
}
if (mask & (1 << 3)) {
GDate *shouldbe, *date = NULL;
shouldbe = TEST_DATE;
fail_unless (gst_tag_list_get_date (tags, GST_TAG_DATE, &date));
fail_unless (g_date_compare (shouldbe, date) == 0);
g_date_free (shouldbe);
g_date_free (date);
}
if (mask & (1 << 4)) {
guint num;
fail_unless (gst_tag_list_get_uint (tags, GST_TAG_TRACK_NUMBER, &num));
fail_unless (num == TEST_TRACK_NUMBER);
}
if (mask & (1 << 5)) {
guint count;
fail_unless (gst_tag_list_get_uint (tags, GST_TAG_TRACK_COUNT, &count));
fail_unless (count == TEST_TRACK_COUNT);
}
if (mask & (1 << 6)) {
guint num;
fail_unless (gst_tag_list_get_uint (tags, GST_TAG_ALBUM_VOLUME_NUMBER,
&num));
fail_unless (num == TEST_VOLUME_NUMBER);
}
if (mask & (1 << 7)) {
guint count;
fail_unless (gst_tag_list_get_uint (tags, GST_TAG_ALBUM_VOLUME_COUNT,
&count));
fail_unless (count == TEST_VOLUME_COUNT);
}
if (mask & (1 << 8)) {
gdouble gain;
fail_unless (gst_tag_list_get_double (tags, GST_TAG_TRACK_GAIN, &gain));
fail_unless_sorta_equals_float (gain, TEST_TRACK_GAIN);
}
if (mask & (1 << 9)) {
gdouble gain;
fail_unless (gst_tag_list_get_double (tags, GST_TAG_ALBUM_GAIN, &gain));
fail_unless_sorta_equals_float (gain, TEST_ALBUM_GAIN);
}
if (mask & (1 << 10)) {
gdouble peak;
fail_unless (gst_tag_list_get_double (tags, GST_TAG_TRACK_PEAK, &peak));
fail_unless_sorta_equals_float (peak, TEST_TRACK_PEAK);
}
if (mask & (1 << 11)) {
gdouble peak;
fail_unless (gst_tag_list_get_double (tags, GST_TAG_ALBUM_PEAK, &peak));
fail_unless_sorta_equals_float (peak, TEST_ALBUM_PEAK);
}
if (mask & (1 << 12)) {
gdouble bpm;
fail_unless (gst_tag_list_get_double (tags, GST_TAG_BEATS_PER_MINUTE,
&bpm));
fail_unless_sorta_equals_float (bpm, TEST_BPM);
}
if (mask & (1 << 13)) {
}
}
static void
fill_mp3_buffer (GstElement * fakesrc, GstBuffer * buf, GstPad * pad,
guint64 * p_offset)
{
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gsize size;
size = gst_buffer_get_size (buf);
fail_unless (size == MP3_FRAME_SIZE);
GST_LOG ("filling buffer with fake mp3 data, offset = %" G_GUINT64_FORMAT,
*p_offset);
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gst_buffer_fill (buf, 0, mp3_dummyhdr, sizeof (mp3_dummyhdr));
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#if 0
/* can't use gst_buffer_set_caps() here because the metadata isn't writable
* because of the extra refcounts taken by the signal emission mechanism;
* we know it's fine to use GST_BUFFER_CAPS() here though */
GST_BUFFER_CAPS (buf) = gst_caps_new_simple ("audio/mpeg", "mpegversion",
G_TYPE_INT, 1, "layer", G_TYPE_INT, 3, NULL);
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#endif
GST_BUFFER_OFFSET (buf) = *p_offset;
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*p_offset += size;
}
static void
got_buffer (GstElement * fakesink, GstBuffer * buf, GstPad * pad,
GstBuffer ** p_buf)
{
gint64 off;
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GstMapInfo map;
off = GST_BUFFER_OFFSET (buf);
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gst_buffer_map (buf, &map, GST_MAP_READ);
GST_LOG ("size=%" G_GSIZE_FORMAT ", offset=%" G_GINT64_FORMAT, map.size, off);
fail_unless (GST_BUFFER_OFFSET_IS_VALID (buf));
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if (*p_buf == NULL || (off + map.size) > gst_buffer_get_size (*p_buf)) {
GstBuffer *newbuf;
/* not very elegant, but who cares */
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newbuf = gst_buffer_new_and_alloc (off + map.size);
if (*p_buf) {
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GstMapInfo pmap;
gst_buffer_map (*p_buf, &pmap, GST_MAP_READ);
gst_buffer_fill (newbuf, 0, pmap.data, pmap.size);
gst_buffer_unmap (*p_buf, &pmap);
}
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gst_buffer_fill (newbuf, off, map.data, map.size);
if (*p_buf)
gst_buffer_unref (*p_buf);
*p_buf = newbuf;
} else {
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gst_buffer_fill (*p_buf, off, map.data, map.size);
}
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gst_buffer_unmap (buf, &map);
}
static void
test_taglib_id3mux_check_output_buffer (GstBuffer * buf)
{
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GstMapInfo map;
guint off;
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gst_buffer_map (buf, &map, GST_MAP_READ);
g_assert (map.size % MP3_FRAME_SIZE == 0);
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for (off = 0; off < map.size; off += MP3_FRAME_SIZE) {
fail_unless (memcmp (map.data + off, mp3_dummyhdr,
sizeof (mp3_dummyhdr)) == 0);
}
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gst_buffer_unmap (buf, &map);
}
static void
identity_cb (GstElement * identity, GstBuffer * buf, GstBuffer ** p_tagbuf)
{
if (*p_tagbuf == NULL) {
*p_tagbuf = gst_buffer_ref (buf);
}
}
static void
test_taglib_id3mux_with_tags (GstTagList * tags, guint32 mask)
{
GstMessage *msg;
GstTagList *tags_read = NULL;
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GstElement *pipeline, *id3mux, *id3demux, *fakesrc, *identity, *fakesink;
GstBus *bus;
guint64 offset;
GstBuffer *outbuf = NULL;
GstBuffer *tagbuf = NULL;
GstStateChangeReturn state_result;
pipeline = gst_pipeline_new ("pipeline");
g_assert (pipeline != NULL);
fakesrc = gst_element_factory_make ("fakesrc", "fakesrc");
g_assert (fakesrc != NULL);
id3mux = gst_element_factory_make ("id3v2mux", "id3v2mux");
g_assert (id3mux != NULL);
identity = gst_element_factory_make ("identity", "identity");
g_assert (identity != NULL);
id3demux = gst_element_factory_make ("id3demux", "id3demux");
g_assert (id3demux != NULL);
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fakesink = gst_element_factory_make ("fakesink", "fakesink");
g_assert (fakesink != NULL);
/* set up sink */
outbuf = NULL;
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g_object_set (fakesink, "signal-handoffs", TRUE, NULL);
g_signal_connect (fakesink, "handoff", G_CALLBACK (got_buffer), &outbuf);
gst_bin_add (GST_BIN (pipeline), fakesrc);
gst_bin_add (GST_BIN (pipeline), id3mux);
gst_bin_add (GST_BIN (pipeline), identity);
gst_bin_add (GST_BIN (pipeline), id3demux);
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gst_bin_add (GST_BIN (pipeline), fakesink);
gst_tag_setter_merge_tags (GST_TAG_SETTER (id3mux), tags,
GST_TAG_MERGE_APPEND);
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gst_element_link_many (fakesrc, id3mux, identity, id3demux, fakesink, NULL);
/* set up source */
g_object_set (fakesrc, "signal-handoffs", TRUE, "can-activate-pull", FALSE,
"filltype", 2, "sizetype", 2, "sizemax", MP3_FRAME_SIZE,
"num-buffers", 16, NULL);
offset = 0;
g_signal_connect (fakesrc, "handoff", G_CALLBACK (fill_mp3_buffer), &offset);
/* set up identity to catch tag buffer */
g_signal_connect (identity, "handoff", G_CALLBACK (identity_cb), &tagbuf);
GST_LOG ("setting and getting state ...");
gst_element_set_state (pipeline, GST_STATE_PLAYING);
state_result = gst_element_get_state (pipeline, NULL, NULL, -1);
fail_unless (state_result == GST_STATE_CHANGE_SUCCESS,
"Unexpected result from get_state(). Expected success, got %d",
state_result);
bus = gst_pipeline_get_bus (GST_PIPELINE (pipeline));
GST_LOG ("Waiting for tag ...");
msg =
gst_bus_poll (bus, GST_MESSAGE_TAG | GST_MESSAGE_EOS | GST_MESSAGE_ERROR,
-1);
if (GST_MESSAGE_TYPE (msg) == GST_MESSAGE_ERROR) {
GError *err;
gchar *dbg;
gst_message_parse_error (msg, &err, &dbg);
g_printerr ("ERROR from element %s: %s\n%s\n",
GST_OBJECT_NAME (msg->src), err->message, GST_STR_NULL (dbg));
g_error_free (err);
g_free (dbg);
} else if (GST_MESSAGE_TYPE (msg) == GST_MESSAGE_EOS) {
g_printerr ("EOS message, but were waiting for TAGS!\n");
}
fail_unless (msg->type == GST_MESSAGE_TAG);
gst_message_parse_tag (msg, &tags_read);
gst_message_unref (msg);
GST_LOG ("Got tags: %" GST_PTR_FORMAT, tags_read);
test_taglib_id3mux_check_tags (tags_read, mask);
gst_tag_list_unref (tags_read);
fail_unless (tagbuf != NULL);
test_taglib_id3mux_check_tag_buffer (tagbuf, mask);
gst_buffer_unref (tagbuf);
GST_LOG ("Waiting for EOS ...");
msg = gst_bus_poll (bus, GST_MESSAGE_EOS | GST_MESSAGE_ERROR, -1);
if (GST_MESSAGE_TYPE (msg) == GST_MESSAGE_ERROR) {
GError *err;
gchar *dbg;
gst_message_parse_error (msg, &err, &dbg);
g_printerr ("ERROR from element %s: %s\n%s\n",
GST_OBJECT_NAME (msg->src), err->message, GST_STR_NULL (dbg));
g_error_free (err);
g_free (dbg);
}
fail_unless (msg->type == GST_MESSAGE_EOS);
gst_message_unref (msg);
gst_object_unref (bus);
GST_LOG ("Got EOS, shutting down ...");
gst_element_set_state (pipeline, GST_STATE_NULL);
gst_object_unref (pipeline);
test_taglib_id3mux_check_output_buffer (outbuf);
gst_buffer_unref (outbuf);
GST_LOG ("Done");
}
GST_START_TEST (test_id3v2mux)
{
GstTagList *tags;
gint i;
g_random_set_seed (247166295);
/* internal consistency check */
tags = test_taglib_id3mux_create_tags (0xFFFFFFFF);
test_taglib_id3mux_check_tags (tags, 0xFFFFFFFF);
gst_tag_list_unref (tags);
/* now the real tests */
for (i = 0; i < 50; ++i) {
guint32 mask;
mask = g_random_int ();
GST_LOG ("tag mask = %08x (i=%d)", mask, i);
if (mask == 0)
continue;
/* create tags */
tags = test_taglib_id3mux_create_tags (mask);
GST_LOG ("tags for mask %08x = %" GST_PTR_FORMAT, mask, tags);
/* double-check for internal consistency */
test_taglib_id3mux_check_tags (tags, mask);
/* test with pipeline */
test_taglib_id3mux_with_tags (tags, mask);
/* free tags */
gst_tag_list_unref (tags);
}
}
GST_END_TEST;
static Suite *
id3v2mux_suite (void)
{
Suite *s = suite_create ("id3v2mux");
TCase *tc_chain = tcase_create ("general");
suite_add_tcase (s, tc_chain);
tcase_add_test (tc_chain, test_id3v2mux);
return s;
}
GST_CHECK_MAIN (id3v2mux);