+++ /dev/null
-/* GStreamer test for the equalizer element
- * Copyright (C) 2007 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., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
- */
-
-/*
- * Will tests the equalizer by fading all bands in and out one by one and
- * finaly all together.
- */
-
-#ifdef HAVE_CONFIG_H
-# include "config.h"
-#endif
-
-#include <gst/gst.h>
-
-#include <stdlib.h>
-#include <math.h>
-
-GST_DEBUG_CATEGORY_STATIC (equalizer_test_debug);
-#define GST_CAT_DEFAULT equalizer_test_debug
-
-static GstBus *pipeline_bus;
-
-static gboolean
-check_bus (GstClockTime max_wait_time)
-{
- GstMessage *msg;
-
- msg = gst_bus_poll (pipeline_bus, GST_MESSAGE_ERROR | GST_MESSAGE_EOS,
- max_wait_time);
-
- if (msg == NULL)
- return FALSE;
-
- if (GST_MESSAGE_TYPE (msg) == GST_MESSAGE_ERROR) {
- GError *err = NULL;
- gchar *debug = NULL;
-
- g_assert (GST_MESSAGE_TYPE (msg) == GST_MESSAGE_ERROR);
- gst_message_parse_error (msg, &err, &debug);
- GST_ERROR ("ERROR: %s [%s]", err->message, debug);
- g_print ("\n===========> ERROR: %s\n%s\n\n", err->message, debug);
- g_error_free (err);
- g_free (debug);
- }
-
- if (GST_MESSAGE_TYPE (msg) == GST_MESSAGE_EOS) {
- g_print ("\n === EOS ===\n\n");
- }
-
- gst_message_unref (msg);
- return TRUE;
-}
-
-// fix below
-
-static void
-equalizer_set_band_value (GstElement * eq, guint band, gdouble val)
-{
- GstObject *child;
-
- child = gst_child_proxy_get_child_by_index (GST_CHILD_PROXY (eq), band);
- g_object_set (child, "gain", val, NULL);
- gst_object_unref (child);
- g_print ("Band %2d: %.2f\n", band, val);
-}
-
-static void
-equalizer_set_all_band_values (GstElement * eq, guint num, gdouble val)
-{
- gint i;
- GstObject *child;
-
- for (i = 0; i < num; i++) {
- child = gst_child_proxy_get_child_by_index (GST_CHILD_PROXY (eq), i);
- g_object_set (child, "gain", val, NULL);
- gst_object_unref (child);
- }
- g_print ("All bands: %.2f\n", val);
-}
-
-// fix above
-
-static gboolean
-equalizer_set_band_value_and_wait (GstElement * eq, guint band, gdouble val)
-{
- equalizer_set_band_value (eq, band, val);
- return check_bus (100 * GST_MSECOND);
-}
-
-static gboolean
-equalizer_set_all_band_values_and_wait (GstElement * eq, guint num, gdouble val)
-{
- equalizer_set_all_band_values (eq, num, val);
- return check_bus (100 * GST_MSECOND);
-}
-
-static void
-do_slider_fiddling (GstElement * playbin, GstElement * eq)
-{
- gboolean stop;
- guint num_bands, i;
- gdouble d, step = 0.5;
-
- stop = FALSE;
-
- g_object_get (eq, "num-bands", &num_bands, NULL);
-
- g_print ("%u bands.\n", num_bands);
-
- while (!stop) {
- for (i = 0; !stop && i < num_bands; ++i) {
- d = -24.0;
- while (!stop && d <= 12.0) {
- stop = equalizer_set_band_value_and_wait (eq, i, d);
- d += step;
- }
- d = 12.0;
- while (!stop && d >= -24.0) {
- stop = equalizer_set_band_value_and_wait (eq, i, d);
- d -= step;
- }
- d = -24.0;
- while (!stop && d <= 12.0) {
- stop = equalizer_set_band_value_and_wait (eq, i, d);
- d += step;
- }
- }
-
- d = 0.0;
- while (!stop && d <= 12.0) {
- stop = equalizer_set_all_band_values_and_wait (eq, num_bands, d);
- d += step;
- }
- d = 12.0;
- while (!stop && d >= -24.0) {
- stop = equalizer_set_all_band_values_and_wait (eq, num_bands, d);
- d -= step;
- }
- d = -24.0;
- while (!stop && d <= 0.0) {
- stop = equalizer_set_all_band_values_and_wait (eq, num_bands, d);
- d += step;
- }
- }
-}
-
-int
-main (int argc, char **argv)
-{
- gchar *opt_audiosink_str = NULL;
- gchar **filenames = NULL;
- const GOptionEntry test_goptions[] = {
- {"audiosink", '\0', 0, G_OPTION_ARG_STRING, &opt_audiosink_str,
- "audiosink to use (default: autoaudiosink)", NULL},
- {G_OPTION_REMAINING, 0, 0, G_OPTION_ARG_FILENAME_ARRAY, &filenames, NULL},
- {NULL, '\0', 0, 0, NULL, NULL, NULL}
- };
- GOptionContext *ctx;
- GError *opt_err = NULL;
-
- GstStateChangeReturn ret;
- GstElement *playbin, *sink, *bin, *eq, *auconv;
- GstPad *eq_sinkpad;
- gchar *uri;
-
- if (!g_thread_supported ())
- g_thread_init (NULL);
-
- /* command line option parsing */
- ctx = g_option_context_new ("FILENAME");
- g_option_context_add_group (ctx, gst_init_get_option_group ());
- g_option_context_add_main_entries (ctx, test_goptions, NULL);
-
- if (!g_option_context_parse (ctx, &argc, &argv, &opt_err)) {
- g_error ("Error parsing command line options: %s", opt_err->message);
- return -1;
- }
-
- GST_DEBUG_CATEGORY_INIT (equalizer_test_debug, "equalizertest", 0, "eqtest");
-
- if (filenames == NULL || *filenames == NULL) {
- g_printerr ("Please specify a file to play back\n");
- return -1;
- }
-
- playbin = gst_element_factory_make ("playbin", "playbin");
- if (playbin == NULL) {
- g_error ("Couldn't create 'playbin' element");
- return -1;
- }
-
- if (opt_audiosink_str) {
- g_print ("Trying audiosink '%s' ...", opt_audiosink_str);
- sink = gst_element_factory_make (opt_audiosink_str, "sink");
- g_print ("%s\n", (sink) ? "ok" : "element couldn't be created");
- } else {
- sink = NULL;
- }
- if (sink == NULL) {
- g_print ("Trying audiosink '%s' ...", "autoaudiosink");
- sink = gst_element_factory_make ("autoaudiosink", "sink");
- g_print ("%s\n", (sink) ? "ok" : "element couldn't be created");
- }
- if (sink == NULL) {
- g_print ("Trying audiosink '%s' ...", "alsasink");
- sink = gst_element_factory_make ("alsasink", "sink");
- g_print ("%s\n", (sink) ? "ok" : "element couldn't be created");
- }
- if (sink == NULL) {
- g_print ("Trying audiosink '%s' ...", "osssink");
- sink = gst_element_factory_make ("osssink", "sink");
- g_print ("%s\n", (sink) ? "ok" : "element couldn't be created");
- }
-
- g_assert (sink != NULL);
-
- bin = gst_bin_new ("ausinkbin");
- g_assert (bin != NULL);
-
- eq = gst_element_factory_make ("equalizer-nbands", "equalizer");
- g_assert (eq != NULL);
-
- auconv = gst_element_factory_make ("audioconvert", "eqauconv");
- g_assert (auconv != NULL);
-
- gst_bin_add_many (GST_BIN (bin), eq, auconv, sink, NULL);
-
- if (!gst_element_link (eq, auconv))
- g_error ("Failed to link equalizer to audioconvert");
-
- if (!gst_element_link (auconv, sink))
- g_error ("Failed to link audioconvert to audio sink");
-
- eq_sinkpad = gst_element_get_static_pad (eq, "sink");
- g_assert (eq_sinkpad != NULL);
-
- gst_element_add_pad (bin, gst_ghost_pad_new (NULL, eq_sinkpad));
- gst_object_unref (eq_sinkpad);
-
- g_object_set (playbin, "audio-sink", bin, NULL);
-
- /* won't work: uri = gst_uri_construct ("file", filenames[0]); */
- uri = g_strdup_printf ("file://%s", filenames[0]);
- g_object_set (playbin, "uri", uri, NULL);
- g_free (uri);
-
- pipeline_bus = GST_ELEMENT_BUS (playbin);
-
- ret = gst_element_set_state (playbin, GST_STATE_PLAYING);
- if (ret == GST_STATE_CHANGE_FAILURE) {
- g_printerr ("Failed to set playbin to PLAYING\n");
- check_bus (1 * GST_SECOND);
- return -1;
- }
-
- ret = gst_element_get_state (playbin, NULL, NULL, 5 * GST_SECOND);
- if (ret == GST_STATE_CHANGE_ASYNC) {
- g_printerr ("Failed to go to PLAYING in 5 seconds, bailing out\n");
- return -1;
- } else if (ret != GST_STATE_CHANGE_SUCCESS) {
- g_printerr ("State change to PLAYING failed\n");
- check_bus (1 * GST_SECOND);
- return -1;
- }
-
- g_print ("Playing ...\n");
- do_slider_fiddling (playbin, eq);
-
- gst_element_set_state (playbin, GST_STATE_NULL);
- gst_object_unref (playbin);
-
- return 0;
-}
projects / platform / upstream / gstreamer.git / commitdiff