gstreamer/gst/scaletempo/gstscaletempo.h

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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
/*
* GStreamer
* Copyright (C) 2008 Rov Juvano <rovjuvano@users.sourceforge.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.
*/
#ifndef __GST_SCALETEMPO_H__
#define __GST_SCALETEMPO_H__
#include <gst/gst.h>
#include <gst/base/gstbasetransform.h>
G_BEGIN_DECLS
#define GST_TYPE_SCALETEMPO (gst_scaletempo_get_type())
#define GST_SCALETEMPO(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), GST_TYPE_SCALETEMPO, GstScaletempo))
#define GST_SCALETEMPO_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), GST_TYPE_SCALETEMPO, GstScaletempoClass))
#define GST_IS_SCALETEMPO(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_TYPE_SCALETEMPO))
#define GST_IS_SCALETEMPO_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass), GST_TYPE_SCALETEMPO))
typedef struct _GstScaletempo GstScaletempo;
typedef struct _GstScaletempoClass GstScaletempoClass;
struct _GstScaletempo
{
GstBaseTransform element;
};
struct _GstScaletempoClass
{
GstBaseTransformClass parent_class;
};
GType gst_scaletempo_get_type (void);
G_END_DECLS
#endif /* __GST_SCALETEMPO_H__ */