gstreamer/tests/check/pipelines/flacdec.c

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/* GStreamer
* Copyright (C) 2009 Thomas Vander Stichele <thomas at apestaart dot org>
*
* 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>
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#include <gst/audio/audio.h>
#include <glib/gstdio.h>
static guint16
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_get_first_sample (GstSample * sample)
{
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GstAudioInfo info;
GstCaps *caps;
GstBuffer *buf;
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GstMapInfo map;
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guint16 res;
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fail_unless (sample != NULL, "NULL sample");
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caps = gst_sample_get_caps (sample);
fail_unless (caps != NULL, "sample without caps");
buf = gst_sample_get_buffer (sample);
GST_DEBUG ("buffer with size=%u, caps=%" GST_PTR_FORMAT,
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gst_buffer_get_size (buf), caps);
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gst_buffer_map (buf, &map, GST_MAP_READ);
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/* log buffer details */
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GST_MEMDUMP ("buffer data from decoder", map.data, map.size);
/* make sure it's the format we expect */
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fail_unless (gst_audio_info_from_caps (&info, caps));
fail_unless_equals_int (GST_AUDIO_INFO_WIDTH (&info), 16);
fail_unless_equals_int (GST_AUDIO_INFO_DEPTH (&info), 16);
fail_unless_equals_int (GST_AUDIO_INFO_RATE (&info), 44100);
fail_unless_equals_int (GST_AUDIO_INFO_CHANNELS (&info), 1);
if (GST_AUDIO_INFO_IS_LITTLE_ENDIAN (&info))
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res = GST_READ_UINT16_LE (map.data);
else
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res = GST_READ_UINT16_BE (map.data);
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gst_buffer_unmap (buf, &map);
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return res;
}
GST_START_TEST (test_decode)
{
GstElement *pipeline;
GstElement *appsink;
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GstSample *sample = NULL;
guint16 first_sample = 0;
guint size = 0;
gchar *path =
g_build_filename (GST_TEST_FILES_PATH, "audiotestsrc.flac", NULL);
gchar *pipe_desc =
g_strdup_printf
("filesrc location=\"%s\" ! flacparse ! flacdec ! appsink name=sink",
path);
pipeline = gst_parse_launch (pipe_desc, NULL);
fail_unless (pipeline != NULL);
g_free (path);
g_free (pipe_desc);
appsink = gst_bin_get_by_name (GST_BIN (pipeline), "sink");
fail_unless (appsink != NULL);
gst_element_set_state (pipeline, GST_STATE_PLAYING);
do {
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g_signal_emit_by_name (appsink, "pull-sample", &sample);
if (sample == NULL)
break;
if (first_sample == 0)
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first_sample = _get_first_sample (sample);
size += gst_buffer_get_size (gst_sample_get_buffer (sample));
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gst_sample_unref (sample);
sample = NULL;
}
while (TRUE);
/* audiotestsrc with samplesperbuffer 1024 and 10 num-buffers */
fail_unless_equals_int (size, 20480);
fail_unless_equals_int (first_sample, 0x066a);
gst_element_set_state (pipeline, GST_STATE_NULL);
g_object_unref (pipeline);
g_object_unref (appsink);
}
GST_END_TEST;
GST_START_TEST (test_decode_seek_full)
{
GstElement *pipeline;
GstElement *appsink;
GstEvent *event;
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GstSample *sample = NULL;
guint16 first_sample = 0;
guint size = 0;
gchar *path =
g_build_filename (GST_TEST_FILES_PATH, "audiotestsrc.flac", NULL);
gchar *pipe_desc =
g_strdup_printf
("filesrc location=\"%s\" ! flacparse ! flacdec ! appsink name=sink",
path);
pipeline = gst_parse_launch (pipe_desc, NULL);
fail_unless (pipeline != NULL);
g_free (pipe_desc);
g_free (path);
appsink = gst_bin_get_by_name (GST_BIN (pipeline), "sink");
fail_unless (appsink != NULL);
gst_element_set_state (pipeline, GST_STATE_PAUSED);
gst_element_get_state (pipeline, NULL, NULL, GST_CLOCK_TIME_NONE);
/* do a seek that should give us the complete output */
event = gst_event_new_seek (1.0, GST_FORMAT_DEFAULT, GST_SEEK_FLAG_FLUSH,
GST_SEEK_TYPE_SET, 0, GST_SEEK_TYPE_SET, 20480);
fail_unless (gst_element_send_event (appsink, event));
gst_element_set_state (pipeline, GST_STATE_PLAYING);
do {
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g_signal_emit_by_name (appsink, "pull-sample", &sample);
if (sample == NULL)
break;
if (first_sample == 0)
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first_sample = _get_first_sample (sample);
size += gst_buffer_get_size (gst_sample_get_buffer (sample));
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gst_sample_unref (sample);
sample = NULL;
}
while (TRUE);
/* file was generated with audiotestsrc
* with 1024 samplesperbuffer and 10 num-buffers in 16 bit audio */
fail_unless_equals_int (size, 20480);
fail_unless_equals_int (first_sample, 0x066a);
gst_element_set_state (pipeline, GST_STATE_NULL);
g_object_unref (pipeline);
g_object_unref (appsink);
}
GST_END_TEST;
GST_START_TEST (test_decode_seek_partial)
{
GstElement *pipeline;
GstElement *appsink;
GstEvent *event;
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GstSample *sample = NULL;
guint size = 0;
guint16 first_sample = 0;
gchar *path =
g_build_filename (GST_TEST_FILES_PATH, "audiotestsrc.flac", NULL);
gchar *pipe_desc =
g_strdup_printf
("filesrc location=\"%s\" ! flacparse ! flacdec ! appsink name=sink",
path);
pipeline = gst_parse_launch (pipe_desc, NULL);
fail_unless (pipeline != NULL);
g_free (path);
g_free (pipe_desc);
appsink = gst_bin_get_by_name (GST_BIN (pipeline), "sink");
fail_unless (appsink != NULL);
gst_element_set_state (pipeline, GST_STATE_PAUSED);
gst_element_get_state (pipeline, NULL, NULL, GST_CLOCK_TIME_NONE);
/* do a partial seek to get the first 1024 samples or 2048 bytes */
event = gst_event_new_seek (1.0, GST_FORMAT_DEFAULT, GST_SEEK_FLAG_FLUSH,
GST_SEEK_TYPE_SET, 0, GST_SEEK_TYPE_SET, 1024);
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GST_DEBUG ("seeking");
fail_unless (gst_element_send_event (appsink, event));
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GST_DEBUG ("seeked");
gst_element_set_state (pipeline, GST_STATE_PLAYING);
do {
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GST_DEBUG ("pulling sample");
g_signal_emit_by_name (appsink, "pull-sample", &sample);
GST_DEBUG ("pulled sample %p", sample);
if (sample == NULL)
break;
if (first_sample == 0) {
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first_sample = _get_first_sample (sample);
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}
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size += gst_buffer_get_size (gst_sample_get_buffer (sample));
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gst_sample_unref (sample);
sample = NULL;
}
while (TRUE);
/* allow for sample round-up clipping effect */
fail_unless (size == 2048 || size == 2050);
fail_unless_equals_int (first_sample, 0x066a);
gst_element_set_state (pipeline, GST_STATE_NULL);
g_object_unref (pipeline);
g_object_unref (appsink);
}
GST_END_TEST;
static Suite *
flacdec_suite (void)
{
Suite *s = suite_create ("flacdec");
TCase *tc_chain = tcase_create ("linear");
/* time out after 60s, not the default 3 */
tcase_set_timeout (tc_chain, 60);
suite_add_tcase (s, tc_chain);
tcase_add_test (tc_chain, test_decode);
tcase_add_test (tc_chain, test_decode_seek_full);
tcase_add_test (tc_chain, test_decode_seek_partial);
return s;
}
GST_CHECK_MAIN (flacdec);