gstreamer/examples/scaletempo/demo-main.c
Rov Juvano 315cb1ab96 Add scaletempo plugin, which allows to scale the speed of audio without changing the pitch by handling seeks with a r...
Original commit message from CVS:
Patch by: Rov Juvano <rovjuvano at users dot sourceforge dot net>
* configure.ac:
* docs/plugins/Makefile.am:
* docs/plugins/gst-plugins-bad-plugins-docs.sgml:
* docs/plugins/gst-plugins-bad-plugins-sections.txt:
* docs/plugins/inspect/plugin-scaletempo.xml:
* examples/scaletempo/Makefile.am:
* examples/scaletempo/demo-gui.c: (pop_status_bar),
(status_bar_printf), (demo_gui_seek_bar_format), (update_position),
(demo_gui_seek_bar_change), (demo_gui_do_change_rate),
(demo_gui_do_set_rate), (demo_gui_do_rate_entered),
(demo_gui_do_toggle_advanced), (demo_gui_do_toggle_disabled),
(demo_gui_do_seek), (demo_gui_do_play), (demo_gui_do_pause),
(demo_gui_do_play_pause), (demo_gui_do_open_file),
(demo_gui_do_playlist_prev), (demo_gui_do_playlist_next),
(demo_gui_do_about_dialog), (demo_gui_do_quit),
(demo_gui_request_set_stride), (demo_gui_request_set_overlap),
(demo_gui_request_set_search), (demo_gui_rate_changed),
(demo_gui_playing_started), (demo_gui_playing_paused),
(demo_gui_playing_ended), (demo_gui_player_errored),
(demo_gui_stride_changed), (demo_gui_overlap_changed),
(demo_gui_search_changed), (demo_gui_set_player_func),
(demo_gui_set_playlist_func), (build_gvalue_array),
(create_action), (demo_gui_show_func), (demo_gui_set_player),
(demo_gui_set_playlist), (demo_gui_show), (demo_gui_get_property),
(demo_gui_set_property), (demo_gui_init), (demo_gui_class_init),
(demo_gui_get_type):
* examples/scaletempo/demo-gui.h:
* examples/scaletempo/demo-main.c: (handle_error_message),
(handle_quit), (main):
* examples/scaletempo/demo-player.c: (no_pipeline),
(demo_player_event_listener), (demo_player_state_changed_cb),
(demo_player_eos_cb), (demo_player_build_pipeline), (_set_rate),
(demo_player_scale_rate_func), (demo_player_set_rate_func),
(_set_state_and_wait), (demo_player_load_uri_func),
(demo_player_play_func), (demo_player_pause_func), (_seek_to),
(demo_player_seek_by_func), (demo_player_seek_to_func),
(demo_player_get_position_func), (demo_player_get_duration_func),
(demo_player_scale_rate), (demo_player_set_rate),
(demo_player_load_uri), (demo_player_play), (demo_player_pause),
(demo_player_seek_by), (demo_player_seek_to),
(demo_player_get_position), (demo_player_get_duration),
(demo_player_get_property), (demo_player_set_property),
(demo_player_init), (demo_player_class_init),
(demo_player_get_type):
* examples/scaletempo/demo-player.h:
* gst/scaletempo/Makefile.am:
* gst/scaletempo/gstscaletempo.c: (best_overlap_offset_float),
(best_overlap_offset_s16), (output_overlap_float),
(output_overlap_s16), (fill_queue), (reinit_buffers),
(gst_scaletempo_transform), (gst_scaletempo_transform_size),
(gst_scaletempo_sink_event), (gst_scaletempo_set_caps),
(gst_scaletempo_get_property), (gst_scaletempo_set_property),
(gst_scaletempo_base_init), (gst_scaletempo_class_init),
(gst_scaletempo_init):
* gst/scaletempo/gstscaletempo.h:
* gst/scaletempo/gstscaletempoplugin.c: (plugin_init):
Add scaletempo plugin, which allows to scale the speed of audio without
changing the pitch by handling seeks with a rate!=1.0.
Integrate it into the docs and add the example application for it.
Fixes bug #537700.
2008-08-31 12:20:33 +00:00

95 lines
2.7 KiB
C

/* main.c
* Copyright (C) 2008 Rov Juvano <rovjuvano@users.sourceforge.net>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "demo-player.h"
#include "demo-gui.h"
extern GOptionGroup *gtk_get_option_group (gboolean);
extern GOptionGroup *gst_init_get_option_group (void);
static void
handle_error_message (DemoPlayer * player, const gchar * msg, gpointer data)
{
const gchar *format = (const gchar *) data;
g_print (format, msg);
}
static void
handle_quit (gpointer source, gpointer data)
{
g_main_loop_quit ((GMainLoop *) data);
}
int
main (int argc, char *argv[])
{
DemoGui *gui;
DemoPlayer *player;
gchar **uris = NULL;
GOptionContext *ctx;
GError *err = NULL;
GMainLoop *loop;
const GOptionEntry entries[] = {
{G_OPTION_REMAINING, 0, 0, G_OPTION_ARG_FILENAME_ARRAY, &uris,
"Special option that collects any remaining arguments for us"},
{NULL,}
};
if (!g_thread_supported ())
g_thread_init (NULL);
ctx = g_option_context_new ("uri ...");
g_option_context_add_group (ctx, gst_init_get_option_group ());
g_option_context_add_group (ctx, gtk_get_option_group (FALSE));
g_option_context_add_main_entries (ctx, entries, NULL);
if (!g_option_context_parse (ctx, &argc, &argv, &err)) {
g_print ("Error initializing: %s\n", err->message);
g_error_free (err);
return -1;
}
g_option_context_free (ctx);
gui = g_object_new (DEMO_TYPE_GUI, NULL);
player = g_object_new (DEMO_TYPE_PLAYER, NULL);
g_signal_connect (player, "error", G_CALLBACK (handle_error_message),
"PLAYER ERROR: %s\n");
g_signal_connect (gui, "error", G_CALLBACK (handle_error_message),
"GUI ERROR: %s\n");
demo_gui_set_player (gui, player);
loop = g_main_loop_new (NULL, FALSE);
g_signal_connect (gui, "quiting", G_CALLBACK (handle_quit), loop);
if (uris != NULL) {
int i, num = g_strv_length (uris);
GList *uri_list = NULL;
for (i = 0; i < num; i++) {
uri_list = g_list_append (uri_list, uris[i]);
}
demo_gui_set_playlist (gui, uri_list);
}
demo_gui_show (gui);
g_main_loop_run (loop);
return 0;
}