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.

4 files changed, 51 insertions, 0 deletions

diff --git a/docs/plugins/Makefile.am b/docs/plugins/Makefile.am
index 0d474c00..9d13a3ed 100644
--- a/docs/plugins/Makefile.am
+++ b/docs/plugins/Makefile.am
@@ -135,6 +135,7 @@ EXTRA_HFILES = \
 	$(top_srcdir)/gst/rtpmanager/gstrtpptdemux.h \
 	$(top_srcdir)/gst/rtpmanager/gstrtpsession.h \
 	$(top_srcdir)/gst/rtpmanager/gstrtpssrcdemux.h \
+	$(top_srcdir)/gst/scaletempo/gstscaletempo.h \
 	$(top_srcdir)/gst/sdp/gstsdpdemux.h \
 	$(top_srcdir)/gst/selector/gstinputselector.h \
 	$(top_srcdir)/gst/selector/gstoutputselector.h \
diff --git a/docs/plugins/gst-plugins-bad-plugins-docs.sgml b/docs/plugins/gst-plugins-bad-plugins-docs.sgml
index 9167ce2f..9137bf23 100644
--- a/docs/plugins/gst-plugins-bad-plugins-docs.sgml
+++ b/docs/plugins/gst-plugins-bad-plugins-docs.sgml
@@ -46,6 +46,7 @@
     <xi:include href="xml/element-mythtvsrc.xml" />
     <xi:include href="xml/element-nuvdemux.xml" />
     <xi:include href="xml/element-output-selector.xml" />
+    <xi:include href="xml/element-scaletempo.xml" />
     <xi:include href="xml/element-sdlaudiosink.xml" />
     <xi:include href="xml/element-sdlvideosink.xml" />
     <xi:include href="xml/element-sdpdemux.xml" />
@@ -112,6 +113,7 @@
     <xi:include href="xml/plugin-rawparse.xml" />
     <xi:include href="xml/plugin-real.xml" />
     <xi:include href="xml/plugin-rfbsrc.xml" />
+    <xi:include href="xml/plugin-scaletempo.xml" />
     <xi:include href="xml/plugin-sdl.xml" />
     <xi:include href="xml/plugin-sdp.xml" />
     <xi:include href="xml/plugin-selector.xml" />
diff --git a/docs/plugins/gst-plugins-bad-plugins-sections.txt b/docs/plugins/gst-plugins-bad-plugins-sections.txt
index a6d9bedd..0b58c75a 100644
--- a/docs/plugins/gst-plugins-bad-plugins-sections.txt
+++ b/docs/plugins/gst-plugins-bad-plugins-sections.txt
@@ -558,6 +558,20 @@ GST_IS_RTP_SSRC_DEMUX_CLASS
 </SECTION>
 
 <SECTION>
+<FILE>element-scaletempo</FILE>
+<TITLE>scaletempo</TITLE>
+GstScaletempo
+<SUBSECTION Standard>
+GstScaletempoClass
+GST_IS_SCALETEMPO
+GST_IS_SCALETEMPO_CLASS
+GST_SCALETEMPO
+GST_SCALETEMPO_CLASS
+GST_TYPE_SCALETEMPO
+gst_scaletempo_get_type
+</SECTION>
+
+<SECTION>
 <FILE>element-sdlaudiosink</FILE>
 <TITLE>sdlaudiosink</TITLE>
 GstSDLAudioSink
diff --git a/docs/plugins/inspect/plugin-scaletempo.xml b/docs/plugins/inspect/plugin-scaletempo.xml
new file mode 100644
index 00000000..53b1728e
--- /dev/null
+++ b/docs/plugins/inspect/plugin-scaletempo.xml
@@ -0,0 +1,34 @@
+<plugin>
+  <name>scaletempo</name>
+  <description>Scale audio tempo in sync with playback rate</description>
+  <filename>../../gst/scaletempo/.libs/libgstscaletempoplugin.so</filename>
+  <basename>libgstscaletempoplugin.so</basename>
+  <version>0.10.8.1</version>
+  <license>LGPL</license>
+  <source>gst-plugins-bad</source>
+  <package>GStreamer</package>
+  <origin>http://gstreamer.freedesktop.org/</origin>
+  <elements>
+    <element>
+      <name>scaletempo</name>
+      <longname>Scaletempo</longname>
+      <class>Filter/Effect/Rate</class>
+      <description>Sync audio tempo with playback rate</description>
+      <author>Rov Juvano &lt;rovjuvano@users.sourceforge.net&gt;</author>
+      <pads>
+        <caps>
+          <name>sink</name>
+          <direction>sink</direction>
+          <presence>always</presence>
+          <details>audio/x-raw-float, rate=(int)[ 1, 2147483647 ], channels=(int)[ 1, 2147483647 ], endianness=(int)1234, width=(int)32; audio/x-raw-int, rate=(int)[ 1, 2147483647 ], channels=(int)[ 1, 2147483647 ], endianness=(int)1234, width=(int)16, depth=(int)16, signed=(boolean)true</details>
+        </caps>
+        <caps>
+          <name>src</name>
+          <direction>source</direction>
+          <presence>always</presence>
+          <details>audio/x-raw-float, rate=(int)[ 1, 2147483647 ], channels=(int)[ 1, 2147483647 ], endianness=(int)1234, width=(int)32; audio/x-raw-int, rate=(int)[ 1, 2147483647 ], channels=(int)[ 1, 2147483647 ], endianness=(int)1234, width=(int)16, depth=(int)16, signed=(boolean)true</details>
+        </caps>
+      </pads>
+    </element>
+  </elements>
+</plugin>
\ No newline at end of file