gst/audiofx/: Add new audiodynamic element which can act as a compressor or expander. Supported are hard-knee and sof...

Original commit message from CVS:
reviewed by: Stefan Kost  <ensonic@users.sf.net>
* gst/audiofx/Makefile.am:
* gst/audiofx/audiodynamic.c:
(gst_audio_dynamic_characteristics_get_type),
(gst_audio_dynamic_mode_get_type),
(gst_audio_dynamic_set_process_function),
(gst_audio_dynamic_base_init), (gst_audio_dynamic_class_init),
(gst_audio_dynamic_init), (gst_audio_dynamic_set_property),
(gst_audio_dynamic_get_property), (gst_audio_dynamic_setup),
(gst_audio_dynamic_transform_hard_knee_compressor_int),
(gst_audio_dynamic_transform_hard_knee_compressor_float),
(gst_audio_dynamic_transform_soft_knee_compressor_int),
(gst_audio_dynamic_transform_soft_knee_compressor_float),
(gst_audio_dynamic_transform_hard_knee_expander_int),
(gst_audio_dynamic_transform_hard_knee_expander_float),
(gst_audio_dynamic_transform_soft_knee_expander_int),
(gst_audio_dynamic_transform_soft_knee_expander_float),
(gst_audio_dynamic_transform_ip):
* gst/audiofx/audiodynamic.h:
* gst/audiofx/audiofx.c: (plugin_init):
Add new audiodynamic element which can act as a compressor or
expander. Supported are hard-knee and soft-knee operation modes with
user-specified ratio and threshold.
Attack and release parameters are not yet implemented but will follow.
* docs/plugins/Makefile.am:
* docs/plugins/gst-plugins-good-plugins-docs.sgml:
* docs/plugins/gst-plugins-good-plugins-sections.txt:
* docs/plugins/gst-plugins-good-plugins.args:
* docs/plugins/inspect/plugin-audiofx.xml:
Integrate audiodynamic into the docs.
* tests/check/Makefile.am:
* tests/check/elements/audiodynamic.c: (setup_dynamic),
(cleanup_dynamic), (GST_START_TEST), (dynamic_suite), (main):
Add unit test for audiodynamic.

5 files changed, 59 insertions, 0 deletions

diff --git a/docs/plugins/Makefile.am b/docs/plugins/Makefile.am
index 640edbbb..174bb997 100644
--- a/docs/plugins/Makefile.am
+++ b/docs/plugins/Makefile.am
@@ -81,6 +81,7 @@ EXTRA_HFILES = \
 	$(top_srcdir)/gst/audiofx/audiopanorama.h \
 	$(top_srcdir)/gst/audiofx/audioinvert.h \
 	$(top_srcdir)/gst/audiofx/audioamplify.h \
+	$(top_srcdir)/gst/audiofx/audiodynamic.h \
 	$(top_srcdir)/gst/autodetect/gstautoaudiosink.h \
 	$(top_srcdir)/gst/autodetect/gstautovideosink.h \
 	$(top_srcdir)/gst/avi/gstavidemux.h \
diff --git a/docs/plugins/gst-plugins-good-plugins-docs.sgml b/docs/plugins/gst-plugins-good-plugins-docs.sgml
index 37d17dda..291cc465 100644
--- a/docs/plugins/gst-plugins-good-plugins-docs.sgml
+++ b/docs/plugins/gst-plugins-good-plugins-docs.sgml
@@ -17,6 +17,7 @@
     <xi:include href="xml/element-audiopanorama.xml" />
     <xi:include href="xml/element-audioinvert.xml" />
     <xi:include href="xml/element-audioamplify.xml" />
+    <xi:include href="xml/element-audiodynamic.xml" />
     <xi:include href="xml/element-autoaudiosink.xml" />
     <xi:include href="xml/element-autovideosink.xml" />
     <xi:include href="xml/element-avidemux.xml" />
diff --git a/docs/plugins/gst-plugins-good-plugins-sections.txt b/docs/plugins/gst-plugins-good-plugins-sections.txt
index 066566c5..a092e485 100644
--- a/docs/plugins/gst-plugins-good-plugins-sections.txt
+++ b/docs/plugins/gst-plugins-good-plugins-sections.txt
@@ -58,6 +58,16 @@ GST_AUDIO_AMPLIFY_CLASS
 </SECTION>
 
 <SECTION>
+<FILE>element-audiodynamic</FILE>
+GstAudioDynamic
+<TITLE>audiodynamic</TITLE>
+<SUBSECTION Standard>
+GstAudioDynamicClass
+GST_AUDIO_DYNAMIC
+GST_AUDIO_DYNAMIC_CLASS
+</SECTION>
+
+<SECTION>
 <FILE>element-autoaudiosink</FILE>
 GstAutoAudioSink
 <TITLE>autoaudiosink</TITLE>
diff --git a/docs/plugins/gst-plugins-good-plugins.args b/docs/plugins/gst-plugins-good-plugins.args
index 19537ee2..0486e22f 100644
--- a/docs/plugins/gst-plugins-good-plugins.args
+++ b/docs/plugins/gst-plugins-good-plugins.args
@@ -16668,3 +16668,43 @@
 <DEFAULT>Normal Clipping (default)</DEFAULT>
 </ARG>
 
+<ARG>
+<NAME>GstAudioDynamic::characteristics</NAME>
+<TYPE>GstAudioDynamicCharacteristics</TYPE>
+<RANGE></RANGE>
+<FLAGS>rw</FLAGS>
+<NICK>Characteristics</NICK>
+<BLURB>Selects whether the ratio should be applied smooth (soft-knee) or hard (hard-knee).</BLURB>
+<DEFAULT>Hard Knee (default)</DEFAULT>
+</ARG>
+
+<ARG>
+<NAME>GstAudioDynamic::mode</NAME>
+<TYPE>GstAudioDynamicMode</TYPE>
+<RANGE></RANGE>
+<FLAGS>rw</FLAGS>
+<NICK>Mode</NICK>
+<BLURB>Selects whether the filter should work on loud samples (compressor) orquiet samples (expander).</BLURB>
+<DEFAULT>Compressor (default)</DEFAULT>
+</ARG>
+
+<ARG>
+<NAME>GstAudioDynamic::ratio</NAME>
+<TYPE>gfloat</TYPE>
+<RANGE>[0,inf]</RANGE>
+<FLAGS>rw</FLAGS>
+<NICK>Ratio</NICK>
+<BLURB>Ratio that should be applied.</BLURB>
+<DEFAULT>1</DEFAULT>
+</ARG>
+
+<ARG>
+<NAME>GstAudioDynamic::threshold</NAME>
+<TYPE>gfloat</TYPE>
+<RANGE>[0,1]</RANGE>
+<FLAGS>rw</FLAGS>
+<NICK>Threshold</NICK>
+<BLURB>Threshold until the filter is activated.</BLURB>
+<DEFAULT>0</DEFAULT>
+</ARG>
+
diff --git a/docs/plugins/inspect/plugin-audiofx.xml b/docs/plugins/inspect/plugin-audiofx.xml
index f860bd2b..9740da9e 100644
--- a/docs/plugins/inspect/plugin-audiofx.xml
+++ b/docs/plugins/inspect/plugin-audiofx.xml
@@ -17,6 +17,13 @@
       <author>Sebastian Dröge &lt;slomo@circular-chaos.org&gt;</author>
     </element>
     <element>
+      <name>audiodynamic</name>
+      <longname>AudioDynamic</longname>
+      <class>Filter/Effect/Audio</class>
+      <description>Compressor and Expander</description>
+      <author>Sebastian Dröge &lt;slomo@circular-chaos.org&gt;</author>
+    </element>
+    <element>
       <name>audioinvert</name>
       <longname>AudioInvert</longname>
       <class>Filter/Effect/Audio</class>