diff options
| author | Sebastian Dröge <slomo@circular-chaos.org> | 2009-01-13 19:23:57 +0000 |
|---|---|---|
| committer | Sebastian Dröge <slomo@circular-chaos.org> | 2009-01-13 19:23:57 +0000 |
| commit | 75c1c9f3789568b69678cd3babb4d29e0ebdd87b (patch) | |
| tree | bb759b104c30805065449add82d2cd40efc10a22 | |
| parent | 5f5ae768b88671df1e5d3e55e5df41d832f7c008 (diff) | |
Add audioiirfilter and audiofirfilter elements which allow generic IIR/FIR filters to be implemented by providing the...
Original commit message from CVS:
* configure.ac:
* gst/audiofx/Makefile.am:
* gst/audiofx/audiofirfilter.c: (gst_audio_fir_filter_base_init),
(gst_audio_fir_filter_class_init),
(gst_audio_fir_filter_update_kernel), (gst_audio_fir_filter_init),
(gst_audio_fir_filter_setup), (gst_audio_fir_filter_finalize),
(gst_audio_fir_filter_set_property),
(gst_audio_fir_filter_get_property):
* gst/audiofx/audiofirfilter.h:
* gst/audiofx/audiofx.c: (plugin_init):
* gst/audiofx/audioiirfilter.c: (gst_audio_iir_filter_base_init),
(gst_audio_iir_filter_class_init),
(gst_audio_iir_filter_update_coefficients),
(gst_audio_iir_filter_init), (gst_audio_iir_filter_setup),
(gst_audio_iir_filter_finalize),
(gst_audio_iir_filter_set_property),
(gst_audio_iir_filter_get_property):
* gst/audiofx/audioiirfilter.h:
Add audioiirfilter and audiofirfilter elements which allow
generic IIR/FIR filters to be implemented by providing the
filter coefficients. Fixes bug #567577.
* 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/gst-plugins-good-plugins.hierarchy:
* docs/plugins/gst-plugins-good-plugins.signals:
* docs/plugins/inspect/plugin-alaw.xml:
* docs/plugins/inspect/plugin-audiofx.xml:
* docs/plugins/inspect/plugin-avi.xml:
* docs/plugins/inspect/plugin-flac.xml:
* docs/plugins/inspect/plugin-mulaw.xml:
* docs/plugins/inspect/plugin-video4linux2.xml:
* docs/plugins/inspect/plugin-wavparse.xml:
Add documentation for the audioiirfilter and audiofirfilter
elements.
* tests/check/Makefile.am:
* tests/check/elements/audiofirfilter.c: (on_message),
(on_rate_changed), (on_handoff), (GST_START_TEST),
(audiofirfilter_suite):
* tests/check/elements/audioiirfilter.c: (on_message),
(on_rate_changed), (on_handoff), (GST_START_TEST),
(audioiirfilter_suite):
* tests/examples/Makefile.am:
* tests/examples/audiofx/Makefile.am:
* tests/examples/audiofx/firfilter-example.c: (on_message),
(on_rate_changed), (main):
* tests/examples/audiofx/iirfilter-example.c: (on_message),
(on_rate_changed), (main):
Add unit tests and example applications for the two filter
elements.
28 files changed, 1594 insertions, 29 deletions
@@ -1,3 +1,59 @@ +2009-01-13 Sebastian Dröge <sebastian.droege@collabora.co.uk> + + * configure.ac: + * gst/audiofx/Makefile.am: + * gst/audiofx/audiofirfilter.c: (gst_audio_fir_filter_base_init), + (gst_audio_fir_filter_class_init), + (gst_audio_fir_filter_update_kernel), (gst_audio_fir_filter_init), + (gst_audio_fir_filter_setup), (gst_audio_fir_filter_finalize), + (gst_audio_fir_filter_set_property), + (gst_audio_fir_filter_get_property): + * gst/audiofx/audiofirfilter.h: + * gst/audiofx/audiofx.c: (plugin_init): + * gst/audiofx/audioiirfilter.c: (gst_audio_iir_filter_base_init), + (gst_audio_iir_filter_class_init), + (gst_audio_iir_filter_update_coefficients), + (gst_audio_iir_filter_init), (gst_audio_iir_filter_setup), + (gst_audio_iir_filter_finalize), + (gst_audio_iir_filter_set_property), + (gst_audio_iir_filter_get_property): + * gst/audiofx/audioiirfilter.h: + Add audioiirfilter and audiofirfilter elements which allow + generic IIR/FIR filters to be implemented by providing the + filter coefficients. Fixes bug #567577. + + * 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/gst-plugins-good-plugins.hierarchy: + * docs/plugins/gst-plugins-good-plugins.signals: + * docs/plugins/inspect/plugin-alaw.xml: + * docs/plugins/inspect/plugin-audiofx.xml: + * docs/plugins/inspect/plugin-avi.xml: + * docs/plugins/inspect/plugin-flac.xml: + * docs/plugins/inspect/plugin-mulaw.xml: + * docs/plugins/inspect/plugin-video4linux2.xml: + * docs/plugins/inspect/plugin-wavparse.xml: + Add documentation for the audioiirfilter and audiofirfilter + elements. + + * tests/check/Makefile.am: + * tests/check/elements/audiofirfilter.c: (on_message), + (on_rate_changed), (on_handoff), (GST_START_TEST), + (audiofirfilter_suite): + * tests/check/elements/audioiirfilter.c: (on_message), + (on_rate_changed), (on_handoff), (GST_START_TEST), + (audioiirfilter_suite): + * tests/examples/Makefile.am: + * tests/examples/audiofx/Makefile.am: + * tests/examples/audiofx/firfilter-example.c: (on_message), + (on_rate_changed), (main): + * tests/examples/audiofx/iirfilter-example.c: (on_message), + (on_rate_changed), (main): + Add unit tests and example applications for the two filter + elements. + 2009-01-13 Michael Smith <msmith@songbirdnest.com> Patch by: Thiago Sousa Santos <thiagoss@embedded.ufcg.edu.br> diff --git a/configure.ac b/configure.ac index 4a9e8ad1..f1eaee77 100644 --- a/configure.ac +++ b/configure.ac @@ -1105,6 +1105,7 @@ po/Makefile.in tests/Makefile tests/check/Makefile tests/examples/Makefile +tests/examples/audiofx/Makefile tests/examples/equalizer/Makefile tests/examples/level/Makefile tests/examples/rtp/Makefile diff --git a/docs/plugins/Makefile.am b/docs/plugins/Makefile.am index f9333357..8549ed3e 100644 --- a/docs/plugins/Makefile.am +++ b/docs/plugins/Makefile.am @@ -112,8 +112,10 @@ EXTRA_HFILES = \ $(top_srcdir)/gst/audiofx/audiopanorama.h \ $(top_srcdir)/gst/audiofx/audiocheblimit.h \ $(top_srcdir)/gst/audiofx/audiochebband.h \ + $(top_srcdir)/gst/audiofx/audioiirfilter.h \ $(top_srcdir)/gst/audiofx/audiowsincband.h \ $(top_srcdir)/gst/audiofx/audiowsinclimit.h \ + $(top_srcdir)/gst/audiofx/audiofirfilter.h \ $(top_srcdir)/gst/autodetect/gstautoaudiosink.h \ $(top_srcdir)/gst/autodetect/gstautoaudiosrc.h \ $(top_srcdir)/gst/autodetect/gstautovideosink.h \ @@ -177,7 +179,9 @@ EXTRA_HFILES = \ # example code that needs to be converted to xml and placed in xml/ EXAMPLE_CFILES = \ $(top_srcdir)/tests/examples/level/level-example.c \ - $(top_srcdir)/tests/examples/spectrum/spectrum-example.c + $(top_srcdir)/tests/examples/spectrum/spectrum-example.c \ + $(top_srcdir)/tests/examples/audiofx/firfilter-example.c \ + $(top_srcdir)/tests/examples/audiofx/iirfilter-example.c # Images to copy into HTML directory. HTML_IMAGES = diff --git a/docs/plugins/gst-plugins-good-plugins-docs.sgml b/docs/plugins/gst-plugins-good-plugins-docs.sgml index a4bb923a..8fedb7fa 100644 --- a/docs/plugins/gst-plugins-good-plugins-docs.sgml +++ b/docs/plugins/gst-plugins-good-plugins-docs.sgml @@ -19,8 +19,10 @@ <xi:include href="xml/element-audioamplify.xml" /> <xi:include href="xml/element-audiochebband.xml" /> <xi:include href="xml/element-audiocheblimit.xml" /> + <xi:include href="xml/element-audioiirfilter.xml" /> <xi:include href="xml/element-audiowsincband.xml" /> <xi:include href="xml/element-audiowsinclimit.xml" /> + <xi:include href="xml/element-audiofirfilter.xml" /> <xi:include href="xml/element-audiodynamic.xml" /> <xi:include href="xml/element-audioinvert.xml" /> <xi:include href="xml/element-audiopanorama.xml" /> diff --git a/docs/plugins/gst-plugins-good-plugins-sections.txt b/docs/plugins/gst-plugins-good-plugins-sections.txt index b58d7f16..d2de0b05 100644 --- a/docs/plugins/gst-plugins-good-plugins-sections.txt +++ b/docs/plugins/gst-plugins-good-plugins-sections.txt @@ -103,6 +103,20 @@ gst_audio_cheb_limit_get_type </SECTION> <SECTION> +<FILE>element-audioiirfilter</FILE> +<TITLE>audioiirfilter</TITLE> +GstAudioIIRFilter +<SUBSECTION Standard> +GstAudioIIRFilterClass +GST_AUDIO_IIR_FILTER +GST_AUDIO_IIR_FILTER_CLASS +GST_IS_AUDIO_IIR_FILTER_BAND +GST_IS_AUDIO_IIR_FILTER_CLASS +GST_TYPE_AUDIO_IIR_FILTER +gst_audio_iir_filter_get_type +</SECTION> + +<SECTION> <FILE>element-audiodynamic</FILE> <TITLE>audiodynamic</TITLE> GstAudioDynamic @@ -178,7 +192,7 @@ GST_AUDIO_WSINC_BAND_CLASS GST_IS_AUDIO_WSINC_BAND GST_IS_AUDIO_WSINC_BAND_CLASS GST_TYPE_AUDIO_WSINC_BAND -audio_wsincband_get_type +gst_audio_wsincband_get_type </SECTION> <SECTION> @@ -193,7 +207,21 @@ GST_AUDIO_WSINC_LIMIT_CLASS GST_IS_AUDIO_WSINC_LIMIT GST_IS_AUDIO_WSINC_LIMIT_CLASS GST_TYPE_AUDIO_WSINC_LIMIT -audio_wsinclimit_get_type +gst_audio_wsinclimit_get_type +</SECTION> + +<SECTION> +<FILE>element-audiofirfilter</FILE> +<TITLE>audiofirfilter</TITLE> +GstAudioFIRFilter +<SUBSECTION Standard> +GstAudioFIRFilterClass +GST_AUDIO_FIR_FILTER +GST_AUDIO_FIR_FILTER_CLASS +GST_IS_AUDIO_FIR_FILTER_BAND +GST_IS_AUDIO_FIR_FILTER_CLASS +GST_TYPE_AUDIO_FIR_FILTER +gst_audio_fir_filter_get_type </SECTION> <SECTION> diff --git a/docs/plugins/gst-plugins-good-plugins.args b/docs/plugins/gst-plugins-good-plugins.args index a412fa0e..0064b660 100644 --- a/docs/plugins/gst-plugins-good-plugins.args +++ b/docs/plugins/gst-plugins-good-plugins.args @@ -19668,3 +19668,43 @@ <DEFAULT>1</DEFAULT> </ARG> +<ARG> +<NAME>GstAudioFIRFilter::kernel</NAME> +<TYPE>GValueArray*</TYPE> +<RANGE></RANGE> +<FLAGS>rw</FLAGS> +<NICK>Filter Kernel</NICK> +<BLURB>Filter kernel for the FIR filter.</BLURB> +<DEFAULT></DEFAULT> +</ARG> + +<ARG> +<NAME>GstAudioFIRFilter::latency</NAME> +<TYPE>guint64</TYPE> +<RANGE></RANGE> +<FLAGS>rw</FLAGS> +<NICK>Latecy</NICK> +<BLURB>Filter latency in samples.</BLURB> +<DEFAULT>0</DEFAULT> +</ARG> + +<ARG> +<NAME>GstAudioIIRFilter::a</NAME> +<TYPE>GValueArray*</TYPE> +<RANGE></RANGE> +<FLAGS>rw</FLAGS> +<NICK>A</NICK> +<BLURB>Filter coefficients (numerator of transfer function).</BLURB> +<DEFAULT></DEFAULT> +</ARG> + +<ARG> +<NAME>GstAudioIIRFilter::b</NAME> +<TYPE>GValueArray*</TYPE> +<RANGE></RANGE> +<FLAGS>rw</FLAGS> +<NICK>B</NICK> +<BLURB>Filter coefficients (denominator of transfer function).</BLURB> +<DEFAULT></DEFAULT> +</ARG> + diff --git a/docs/plugins/gst-plugins-good-plugins.hierarchy b/docs/plugins/gst-plugins-good-plugins.hierarchy index 8367c0c4..55e1cdc2 100644 --- a/docs/plugins/gst-plugins-good-plugins.hierarchy +++ b/docs/plugins/gst-plugins-good-plugins.hierarchy @@ -56,10 +56,14 @@ GObject GstAudioKaraoke GstAudioAmplify GstAudioDynamic - GstAudioChebLimit - GstAudioChebBand - GstAudioWSincLimit - GstAudioWSincBand + GstAudioFXBaseIIRFilter + GstAudioChebLimit + GstAudioChebBand + GstAudioIIRFilter + GstAudioFXBaseFIRFilter + GstAudioWSincLimit + GstAudioWSincBand + GstAudioFIRFilter GstIirEqualizer GstIirEqualizerNBands GstIirEqualizer3Bands diff --git a/docs/plugins/gst-plugins-good-plugins.signals b/docs/plugins/gst-plugins-good-plugins.signals index cc7792d0..94c1e54d 100644 --- a/docs/plugins/gst-plugins-good-plugins.signals +++ b/docs/plugins/gst-plugins-good-plugins.signals @@ -332,3 +332,19 @@ guint arg1 guint arg2 </SIGNAL> +<SIGNAL> +<NAME>GstAudioFIRFilter::rate-changed</NAME> +<RETURNS>void</RETURNS> +<FLAGS>l</FLAGS> +GstAudioFIRFilter *gstaudiofirfilter +gint arg1 +</SIGNAL> + +<SIGNAL> +<NAME>GstAudioIIRFilter::rate-changed</NAME> +<RETURNS>void</RETURNS> +<FLAGS>l</FLAGS> +GstAudioIIRFilter *gstaudioiirfilter +gint arg1 +</SIGNAL> + diff --git a/docs/plugins/inspect/plugin-alaw.xml b/docs/plugins/inspect/plugin-alaw.xml index a47915a2..509d89b1 100644 --- a/docs/plugins/inspect/plugin-alaw.xml +++ b/docs/plugins/inspect/plugin-alaw.xml @@ -26,7 +26,7 @@ <name>src</name> <direction>source</direction> <presence>always</presence> - <details>audio/x-raw-int, width=(int)16, depth=(int)16, endianness=(int)1234, signed=(boolean)true, rate=(int)[ 8000, 192000 ], channels=(int)[ 1, 2 ]</details> + <details>audio/x-raw-int, rate=(int)[ 8000, 192000 ], channels=(int)[ 1, 2 ], endianness=(int)1234, width=(int)16, signed=(boolean)true</details> </caps> </pads> </element> @@ -41,7 +41,7 @@ <name>sink</name> <direction>sink</direction> <presence>always</presence> - <details>audio/x-raw-int, width=(int)16, depth=(int)16, endianness=(int)1234, signed=(boolean)true, rate=(int)[ 8000, 192000 ], channels=(int)[ 1, 2 ]</details> + <details>audio/x-raw-int, rate=(int)[ 8000, 192000 ], channels=(int)[ 1, 2 ], endianness=(int)1234, width=(int)16, signed=(boolean)true</details> </caps> <caps> <name>src</name> diff --git a/docs/plugins/inspect/plugin-audiofx.xml b/docs/plugins/inspect/plugin-audiofx.xml index 939c2201..7ca2add6 100644 --- a/docs/plugins/inspect/plugin-audiofx.xml +++ b/docs/plugins/inspect/plugin-audiofx.xml @@ -35,7 +35,7 @@ <longname>Band pass & band reject filter</longname> <class>Filter/Effect/Audio</class> <description>Chebyshev band pass and band reject filter</description> - <author>Sebastian Dröge <slomo@circular-chaos.org></author> + <author>Sebastian Dröge <sebastian.droege@collabora.co.uk></author> <pads> <caps> <name>sink</name> @@ -56,7 +56,7 @@ <longname>Low pass & high pass filter</longname> <class>Filter/Effect/Audio</class> <description>Chebyshev low pass and high pass filter</description> - <author>Sebastian Dröge <slomo@circular-chaos.org></author> + <author>Sebastian Dröge <sebastian.droege@collabora.co.uk></author> <pads> <caps> <name>sink</name> @@ -94,6 +94,48 @@ </pads> </element> <element> + <name>audiofirfilter</name> + <longname>Audio FIR filter</longname> + <class>Filter/Effect/Audio</class> + <description>Generic audio FIR filter with custom filter kernel</description> + <author>Sebastian Dröge <sebastian.droege@collabora.co.uk></author> + <pads> + <caps> + <name>sink</name> + <direction>sink</direction> + <presence>always</presence> + <details>audio/x-raw-float, width=(int){ 32, 64 }, endianness=(int)1234, rate=(int)[ 1, 2147483647 ], channels=(int)[ 1, 2147483647 ]</details> + </caps> + <caps> + <name>src</name> + <direction>source</direction> + <presence>always</presence> + <details>audio/x-raw-float, width=(int){ 32, 64 }, endianness=(int)1234, rate=(int)[ 1, 2147483647 ], channels=(int)[ 1, 2147483647 ]</details> + </caps> + </pads> + </element> + <element> + <name>audioiirfilter</name> + <longname>Audio IIR filter</longname> + <class>Filter/Effect/Audio</class> + <description>Generic audio IIR filter with custom filter kernel</description> + <author>Sebastian Dröge <sebastian.droege@collabora.co.uk></author> + <pads> + <caps> + <name>sink</name> + <direction>sink</direction> + <presence>always</presence> + <details>audio/x-raw-float, width=(int){ 32, 64 }, endianness=(int)1234, rate=(int)[ 1, 2147483647 ], channels=(int)[ 1, 2147483647 ]</details> + </caps> + <caps> + <name>src</name> + <direction>source</direction> + <presence>always</presence> + <details>audio/x-raw-float, width=(int){ 32, 64 }, endianness=(int)1234, rate=(int)[ 1, 2147483647 ], channels=(int)[ 1, 2147483647 ]</details> + </caps> + </pads> + </element> + <element> <name>audioinvert</name> <longname>Audio inversion</longname> <class>Filter/Effect/Audio</class> @@ -161,7 +203,7 @@ <longname>Band pass & band reject filter</longname> <class>Filter/Effect/Audio</class> <description>Band pass and band reject windowed sinc filter</description> - <author>Thomas Vander Stichele <thomas at apestaart dot org>, Steven W. Smith, Dreamlab Technologies Ltd. <mathis.hofer@dreamlab.net>, Sebastian Dröge <slomo@circular-chaos.org></author> + <author>Thomas Vander Stichele <thomas at apestaart dot org>, Steven W. Smith, Dreamlab Technologies Ltd. <mathis.hofer@dreamlab.net>, Sebastian Dröge <sebastian.droege@collabora.co.uk></author> <pads> <caps> <name>sink</name> @@ -182,7 +224,7 @@ <longname>Low pass & high pass filter</longname> <class>Filter/Effect/Audio</class> <description>Low pass and high pass windowed sinc filter</description> - <author>Thomas Vander Stichele <thomas at apestaart dot org>, Steven W. Smith, Dreamlab Technologies Ltd. <mathis.hofer@dreamlab.net>, Sebastian Dröge <slomo@circular-chaos.org></author> + <author>Thomas Vander Stichele <thomas at apestaart dot org>, Steven W. Smith, Dreamlab Technologies Ltd. <mathis.hofer@dreamlab.net>, Sebastian Dröge <sebastian.droege@collabora.co.uk></author> <pads> <caps> <name>sink</name> diff --git a/docs/plugins/inspect/plugin-avi.xml b/docs/plugins/inspect/plugin-avi.xml index 3cb4515a..50000077 100644 --- a/docs/plugins/inspect/plugin-avi.xml +++ b/docs/plugins/inspect/plugin-avi.xml @@ -35,13 +35,13 @@ <name>video_%02d</name> <direction>source</direction> <presence>sometimes</presence> - <details>video/x-3ivx, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-asus, asusversion=(int)1, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-asus, asusversion=(int)2, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-cirrus-logic-accupak, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-compressed-yuv, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-raw-rgb, bpp=(int){ 8, 24 }, depth=(int){ 8, 24 }, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-divx, divxversion=(int)3, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-divx, divxversion=(int)4, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-truemotion, trueversion=(int)1, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-dv, systemstream=(boolean)false, dvversion=(int)25, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-dv, systemstream=(boolean)false, dvversion=(int)50, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-divx, divxversion=(int)5, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-flash-video, flvversion=(int)1, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-h263, variant=(string)itu, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-h264, variant=(string)itu, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-huffyuv, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-intel-h263, variant=(string)intel, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-raw-yuv, format=(fourcc)I420, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-indeo, indeoversion=(int)3, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-indeo, indeoversion=(int)4, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-indeo, indeoversion=(int)5, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-h263, variant=(string)lead, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-h264, variant=(string)lead, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-h263, variant=(string)microsoft, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/mpeg, mpegversion=(int)4, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; image/jpeg, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-msmpeg, msmpegversion=(int)42, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-msmpeg, msmpegversion=(int)43, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/mpeg, systemstream=(boolean)false, mpegversion=(int)1, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/mpeg, systemstream=(boolean)false, mpegversion=(int)2, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-msmpeg, msmpegversion=(int)41, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-mszh, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; image/png, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-rle, layout=(string)microsoft, depth=(int)[ 1, 64 ], framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-indeo, indeoversion=(int)2, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/sp5x, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-truemotion, trueversion=(int)2, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-camtasia, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-ultimotion, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-ati-vcr, vcrversion=(int)1, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-ati-vcr, vcrversion=(int)2, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-h263, variant=(string)vdolive, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-h263, variant=(string)vivo, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-vmnc, version=(int)1, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-vp3, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-h264, variant=(string)videosoft, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-wmv, wmvversion=(int)1, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-wmv, wmvversion=(int)2, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-wmv, wmvversion=(int)3, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-xvid, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-xan, wcversion=(int)4, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-raw-yuv, format=(fourcc)YUY2, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-raw-yuv, format=(fourcc)YVU9, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-zlib, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-cinepak, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-h264, variant=(string)itu, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-msvideocodec, msvideoversion=(int)1, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-h263, variant=(string)xirlink, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-dirac, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-ffv, ffvversion=(int)1, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-kmvc, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-dv, systemstream=(boolean)true; video/x-avi-unknown</details> + <details>video/x-3ivx, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-asus, asusversion=(int)1, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-asus, asusversion=(int)2, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-cirrus-logic-accupak, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-compressed-yuv, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-raw-rgb, bpp=(int){ 8, 24 }, depth=(int){ 8, 24 }, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-divx, divxversion=(int)3, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-divx, divxversion=(int)4, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-truemotion, trueversion=(int)1, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-dv, systemstream=(boolean)false, dvversion=(int)25, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-dv, systemstream=(boolean)false, dvversion=(int)50, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-divx, divxversion=(int)5, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-flash-video, flvversion=(int)1, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-h263, variant=(string)itu, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-h264, variant=(string)itu, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-huffyuv, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-intel-h263, variant=(string)intel, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-raw-yuv, format=(fourcc)I420, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-indeo, indeoversion=(int)3, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-indeo, indeoversion=(int)4, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-indeo, indeoversion=(int)5, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-h263, variant=(string)lead, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-h264, variant=(string)lead, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-h263, variant=(string)microsoft, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/mpeg, mpegversion=(int)4, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; image/jpeg, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-msmpeg, msmpegversion=(int)42, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-msmpeg, msmpegversion=(int)43, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/mpeg, systemstream=(boolean)false, mpegversion=(int)1, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/mpeg, systemstream=(boolean)false, mpegversion=(int)2, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-msmpeg, msmpegversion=(int)41, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-mszh, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; image/png, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-rle, layout=(string)microsoft, depth=(int)[ 1, 64 ], framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-indeo, indeoversion=(int)2, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/sp5x, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-truemotion, trueversion=(int)2, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-camtasia, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-ultimotion, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-ati-vcr, vcrversion=(int)1, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-ati-vcr, vcrversion=(int)2, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-h263, variant=(string)vdolive, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-h263, variant=(string)vivo, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-vmnc, version=(int)1, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-vp3, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-h264, variant=(string)videosoft, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-wmv, wmvversion=(int)1, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-wmv, wmvversion=(int)2, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-wmv, wmvversion=(int)3, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-xvid, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-xan, wcversion=(int)4, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-raw-yuv, format=(fourcc)YUY2, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-raw-yuv, format=(fourcc)YVU9, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-zlib, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-cinepak, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-h264, variant=(string)itu, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-msvideocodec, msvideoversion=(int)1, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-h263, variant=(string)xirlink, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-dirac, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-ffv, ffvversion=(int)1, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-kmvc, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-vp6, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ]; video/x-dv, systemstream=(boolean)true; video/x-avi-unknown</details> </caps> <caps> <name>audio_%02d</name> <direction>source</direction> <presence>sometimes</presence> - <details>audio/ms-gsm, rate=(int)[ 1, 96000 ], channels=(int)[ 1, 2 ]; audio/mpeg, mpegversion=(int)1, layer=(int)3, rate=(int)[ 8000, 48000 ], channels=(int)[ 1, 2 ]; audio/mpeg, mpegversion=(int)1, layer=(int)2, rate=(int)[ 16000, 48000 ], channels=(int)[ 1, 2 ]; audio/x-raw-int, endianness=(int)1234, signed=(boolean){ true, false }, width=(int){ 8, 16, 24, 32 }, depth=(int)[ 1, 32 ], rate=(int)[ 1000, 96000 ], channels=(int)[ 1, 8 ]; audio/x-vorbis, rate=(int)[ 1000, 96000 ], channels=(int)[ 1, 2 ]; audio/x-ac3, rate=(int)[ 1000, 96000 ], channels=(int)[ 1, 6 ]; audio/x-dts; audio/mpeg, mpegversion=(int)4, rate=(int)[ 1000, 96000 ], channels=(int)[ 1, 8 ]; audio/x-alaw, rate=(int)[ 1000, 48000 ], channels=(int)[ 1, 2 ]; audio/x-mulaw, rate=(int)[ 1000, 48000 ], channels=(int)[ 1, 2 ]; audio/x-wms, bitrate=(int)[ 0, 2147483647 ], rate=(int)[ 1000, 96000 ], channels=(int)[ 1, 2 ], block_align=(int)[ 1, 2147483647 ]; audio/x-adpcm, layout=(string)microsoft, rate=(int)[ 1000, 96000 ], channels=(int)[ 1, 2 ], block_align=(int)[ 1, 2147483647 ]; audio/x-adpcm, layout=(string)dvi, rate=(int)[ 1000, 48000 ], channels=(int)[ 1, 2 ], block_align=(int)[ 1, 2147483647 ]; audio/x-truespeech, rate=(int)8000, channels=(int)[ 1, 2 ]; audio/x-wma, wmaversion=(int)1, bitrate=(int)[ 0, 2147483647 ], rate=(int)[ 1000, 96000 ], channels=(int)[ 1, 6 ], block_align=(int)[ 1, 2147483647 ]; audio/x-wma, wmaversion=(int)2, bitrate=(int)[ 0, 2147483647 ], rate=(int)[ 1000, 96000 ], channels=(int)[ 1, 6 ], block_align=(int)[ 1, 2147483647 ]; audio/x-wma, wmaversion=(int)3, bitrate=(int)[ 0, 2147483647 ], rate=(int)[ 1000, 96000 ], channels=(int)[ 1, 6 ], block_align=(int)[ 1, 2147483647 ]; audio/x-vnd.sony.atrac3, rate=(int)[ 1000, 96000 ], channels=(int)[ 1, 2 ]; audio/x-raw-float, endianness=(int)1234, width=(int){ 32, 64 }, rate=(int)[ 1000, 96000 ], channels=(int)[ 1, 8 ]; audio/x-voxware, voxwaretype=(int)117, rate=(int)[ 1000, 96000 ], channels=(int)[ 1, 2 ]; audio/x-adpcm, layout=(string)dk4, rate=(int)[ 8000, 96000 ], channels=(int)[ 1, 2 ]; audio/x-adpcm, layout=(string)dk3, rate=(int)[ 8000, 96000 ], channels=(int)[ 1, 2 ]; application/x-ogg-avi; audio/x-avi-unknown</details> + <details>audio/ms-gsm, rate=(int)[ 1, 96000 ], channels=(int)[ 1, 2 ]; audio/mpeg, mpegversion=(int)1, layer=(int)3, rate=(int)[ 8000, 48000 ], channels=(int)[ 1, 2 ]; audio/mpeg, mpegversion=(int)1, layer=(int)2, rate=(int)[ 16000, 48000 ], channels=(int)[ 1, 2 ]; audio/x-raw-int, endianness=(int)1234, signed=(boolean){ true, false }, width=(int){ 8, 16, 24, 32 }, depth=(int)[ 1, 32 ], rate=(int)[ 1000, 192000 ], channels=(int)[ 1, 8 ]; audio/x-vorbis, rate=(int)[ 1000, 192000 ], channels=(int)[ 1, 2 ]; audio/x-ac3, rate=(int)[ 1000, 96000 ], channels=(int)[ 1, 6 ]; audio/x-dts; audio/mpeg, mpegversion=(int)4, rate=(int)[ 1000, 96000 ], channels=(int)[ 1, 8 ]; audio/x-alaw, rate=(int)[ 1000, 48000 ], channels=(int)[ 1, 2 ]; audio/x-mulaw, rate=(int)[ 1000, 48000 ], channels=(int)[ 1, 2 ]; audio/x-wms, bitrate=(int)[ 0, 2147483647 ], rate=(int)[ 1000, 96000 ], channels=(int)[ 1, 2 ], block_align=(int)[ 1, 2147483647 ]; audio/x-adpcm, layout=(string)microsoft, rate=(int)[ 1000, 96000 ], channels=(int)[ 1, 2 ], block_align=(int)[ 1, 2147483647 ]; audio/x-adpcm, layout=(string)dvi, rate=(int)[ 1000, 48000 ], channels=(int)[ 1, 2 ], block_align=(int)[ 1, 2147483647 ]; audio/x-truespeech, rate=(int)8000, channels=(int)[ 1, 2 ]; audio/x-wma, wmaversion=(int)1, bitrate=(int)[ 0, 2147483647 ], rate=(int)[ 1000, 96000 ], channels=(int)[ 1, 6 ], block_align=(int)[ 1, 2147483647 ]; audio/x-wma, wmaversion=(int)2, bitrate=(int)[ 0, 2147483647 ], rate=(int)[ 1000, 96000 ], channels=(int)[ 1, 6 ], block_align=(int)[ 1, 2147483647 ]; audio/x-wma, wmaversion=(int)3, bitrate=(int)[ 0, 2147483647 ], rate=(int)[ 1000, 96000 ], channels=(int)[ 1, 6 ], block_align=(int)[ 1, 2147483647 ]; audio/x-vnd.sony.atrac3, rate=(int)[ 1000, 96000 ], channels=(int)[ 1, 2 ]; audio/x-raw-float, endianness=(int)1234, width=(int){ 32, 64 }, rate=(int)[ 1000, 192000 ], channels=(int)[ 1, 8 ]; audio/x-voxware, voxwaretype=(int)117, rate=(int)[ 1000, 96000 ], channels=(int)[ 1, 2 ]; audio/x-adpcm, layout=(string)dk4, rate=(int)[ 8000, 96000 ], channels=(int)[ 1, 2 ]; audio/x-adpcm, layout=(string)dk3, rate=(int)[ 8000, 96000 ], channels=(int)[ 1, 2 ]; application/x-ogg-avi; audio/x-avi-unknown</details> </caps> </pads> </element> diff --git a/docs/plugins/inspect/plugin-flac.xml b/docs/plugins/inspect/plugin-flac.xml index 318d1c94..cd8c5877 100644 --- a/docs/plugins/inspect/plugin-flac.xml +++ b/docs/plugins/inspect/plugin-flac.xml @@ -17,17 +17,17 @@ <author>Wim Taymans <wim@fluendo.com></author> <pads> <caps> - <name>src</name> - <direction>source</direction> - <presence>always</presence> - <details>audio/x-raw-int, endianness=(int)1234, signed=(boolean)true, width=(int){ 8, 16, 32 }, depth=(int)[ 4, 32 ], rate=(int)[ 1, 655350 ], channels=(int)[ 1, 8 ]</details> - </caps> - <caps> <name>sink</name> <direction>sink</direction> <presence>always</presence> <details>audio/x-flac</details> </caps> + <caps> + <name>src</name> + <direction>source</direction> + <presence>always</presence> + <details>audio/x-raw-int, endianness=(int)1234, signed=(boolean)true, width=(int){ 8, 16, 32 }, depth=(int)[ 4, 32 ], rate=(int)[ 1, 655350 ], channels=(int)[ 1, 8 ]</details> + </caps> </pads> </element> <element> diff --git a/docs/plugins/inspect/plugin-mulaw.xml b/docs/plugins/inspect/plugin-mulaw.xml index 5f1d304b..8be885bb 100644 --- a/docs/plugins/inspect/plugin-mulaw.xml +++ b/docs/plugins/inspect/plugin-mulaw.xml @@ -26,7 +26,7 @@ <name>src</name> <direction>source</direction> <presence>always</presence> - <details>audio/x-raw-int, width=(int)16, depth=(int)16, endianness=(int)1234, signed=(boolean)true, rate=(int)[ 8000, 192000 ], channels=(int)[ 1, 2 ]</details> + <details>audio/x-raw-int, rate=(int)[ 8000, 192000 ], channels=(int)[ 1, 2 ], endianness=(int)1234, width=(int)16, signed=(boolean)true</details> </caps> </pads> </element> @@ -41,7 +41,7 @@ <name>sink</name> <direction>sink</direction> <presence>always</presence> - <details>audio/x-raw-int, width=(int)16, depth=(int)16, endianness=(int)1234, signed=(boolean)true, rate=(int)[ 8000, 192000 ], channels=(int)[ 1, 2 ]</details> + <details>audio/x-raw-int, rate=(int)[ 8000, 192000 ], channels=(int)[ 1, 2 ], endianness=(int)1234, width=(int)16, signed=(boolean)true</details> </caps> <caps> <name>src</name> diff --git a/docs/plugins/inspect/plugin-video4linux2.xml b/docs/plugins/inspect/plugin-video4linux2.xml index 25fb7807..bb5c62f5 100644 --- a/docs/plugins/inspect/plugin-video4linux2.xml +++ b/docs/plugins/inspect/plugin-video4linux2.xml @@ -20,7 +20,7 @@ <name>src</name> <direction>source</direction> <presence>always</presence> - <details>video/x-raw-rgb, bpp=(int)8, depth=(int)8, red_mask=(int)224, green_mask=(int)28, blue_mask=(int)3, endianness=(int)1234, width=(int)[ 1, 32768 ], height=(int)[ 1, 32768 ], framerate=(fraction)[ 0/1, 100/1 ]; video/x-raw-rgb, bpp=(int)16, depth=(int)15, red_mask=(int)31744, green_mask=(int)992, blue_mask=(int)31, endianness=(int)1234, width=(int)[ 1, 32768 ], height=(int)[ 1, 32768 ], framerate=(fraction)[ 0/1, 100/1 ]; video/x-raw-rgb, bpp=(int)16, depth=(int)16, red_mask=(int)63488, green_mask=(int)2016, blue_mask=(int)31, endianness=(int)1234, width=(int)[ 1, 32768 ], height=(int)[ 1, 32768 ], framerate=(fraction)[ 0/1, 100/1 ]; video/x-raw-rgb, bpp=(int)16, depth=(int)15, red_mask=(int)31744, green_mask=(int)992, blue_mask=(int)31, endianness=(int)4321, width=(int)[ 1, 32768 ], height=(int)[ 1, 32768 ], framerate=(fraction)[ 0/1, 100/1 ]; video/x-raw-rgb, bpp=(int)16, depth=(int)16, red_mask=(int)63488, green_mask=(int)2016, blue_mask=(int)31, endianness=(int)4321, width=(int)[ 1, 32768 ], height=(int)[ 1, 32768 ], framerate=(fraction)[ 0/1, 100/1 ]; video/x-raw-rgb, bpp=(int)24, depth=(int)24, red_mask=(int)255, green_mask=(int)65280, blue_mask=(int)16711680, endianness=(int)4321, width=(int)[ 1, 32768 ], height=(int)[ 1, 32768 ], framerate=(fraction)[ 0/1, 100/1 ]; video/x-raw-rgb, bpp=(int)24, depth=(int)24, red_mask=(int)16711680, green_mask=(int)65280, blue_mask=(int)255, endianness=(int)4321, width=(int)[ 1, 32768 ], height=(int)[ 1, 32768 ], framerate=(fraction)[ 0/1, 100/1 ]; video/x-raw-rgb, bpp=(int)32, depth=(int)32, red_mask=(int)255, green_mask=(int)65280, blue_mask=(int)16711680, endianness=(int)4321, width=(int)[ 1, 32768 ], height=(int)[ 1, 32768 ], framerate=(fraction)[ 0/1, 100/1 ]; video/x-raw-rgb, bpp=(int)32, depth=(int)32, red_mask=(int)-16777216, green_mask=(int)16711680, blue_mask=(int)65280, endianness=(int)4321, width=(int)[ 1, 32768 ], height=(int)[ 1, 32768 ], framerate=(fraction)[ 0/1, 100/1 ]; video/x-raw-yuv, format=(fourcc)YVU9, width=(int)[ 1, 32768 ], height=(int)[ 1, 32768 ], framerate=(fraction)[ 0/1, 100/1 ]; video/x-raw-yuv, format=(fourcc)YV12, width=(int)[ 1, 32768 ], height=(int)[ 1, 32768 ], framerate=(fraction)[ 0/1, 100/1 ]; video/x-raw-yuv, format=(fourcc)YUY2, width=(int)[ 1, 32768 ], height=(int)[ 1, 32768 ], framerate=(fraction)[ 0/1, 100/1 ]; video/x-raw-yuv, format=(fourcc)UYVY, width=(int)[ 1, 32768 ], height=(int)[ 1, 32768 ], framerate=(fraction)[ 0/1, 100/1 ]; video/x-raw-yuv, format=(fourcc)Y42B, width=(int)[ 1, 32768 ], height=(int)[ 1, 32768 ], framerate=(fraction)[ 0/1, 100/1 ]; video/x-raw-yuv, format=(fourcc)Y41B, width=(int)[ 1, 32768 ], height=(int)[ 1, 32768 ], framerate=(fraction)[ 0/1, 100/1 ]; video/x-raw-yuv, format=(fourcc)Y41P, width=(int)[ 1, 32768 ], height=(int)[ 1, 32768 ], framerate=(fraction)[ 0/1, 100/1 ]; video/x-raw-yuv, format=(fourcc)NV12, width=(int)[ 1, 32768 ], height=(int)[ 1, 32768 ], framerate=(fraction)[ 0/1, 100/1 ]; video/x-raw-yuv, format=(fourcc)NV21, width=(int)[ 1, 32768 ], height=(int)[ 1, 32768 ], framerate=(fraction)[ 0/1, 100/1 ]; video/x-raw-yuv, format=(fourcc)YUV9, width=(int)[ 1, 32768 ], height=(int)[ 1, 32768 ], framerate=(fraction)[ 0/1, 100/1 ]; video/x-raw-yuv, format=(fourcc)I420, width=(int)[ 1, 32768 ], height=(int)[ 1, 32768 ], framerate=(fraction)[ 0/1, 100/1 ]; video/x-raw-bayer, width=(int)[ 1, 32768 ], height=(int)[ 1, 32768 ], framerate=(fraction)[ 0/1, 100/1 ]; image/jpeg, width=(int)[ 1, 32768 ], height=(int)[ 1, 32768 ], framerate=(fraction)[ 0/1, 100/1 ]; image/jpeg, width=(int)[ 1, 32768 ], height=(int)[ 1, 32768 ], framerate=(fraction)[ 0/1, 100/1 ]; video/x-dv, systemstream=(boolean)true, width=(int)[ 1, 32768 ], height=(int)[ 1, 32768 ], framerate=(fraction)[ 0/1, 100/1 ]; video/x-sonix, width=(int)[ 1, 32768 ], height=(int)[ 1, 32768 ], framerate=(fraction)[ 0/1, 100/1 ]; video/x-pwc1, width=(int)[ 1, 32768 ], height=(int)[ 1, 32768 ], framerate=(fraction)[ 0/1, 100/1 ]; video/x-pwc2, width=(int)[ 1, 32768 ], height=(int)[ 1, 32768 ], framerate=(fraction)[ 0/1, 100/1 ]</details> + <details>video/x-raw-rgb, bpp=(int)8, depth=(int)8, red_mask=(int)224, green_mask=(int)28, blue_mask=(int)3, endianness=(int)1234, width=(int)[ 1, 32768 ], height=(int)[ 1, 32768 ], framerate=(fraction)[ 0/1, 100/1 ]; video/x-raw-rgb, bpp=(int)16, depth=(int)15, red_mask=(int)31744, green_mask=(int)992, blue_mask=(int)31, endianness=(int)1234, width=(int)[ 1, 32768 ], height=(int)[ 1, 32768 ], framerate=(fraction)[ 0/1, 100/1 ]; video/x-raw-rgb, bpp=(int)16, depth=(int)16, red_mask=(int)63488, green_mask=(int)2016, blue_mask=(int)31, endianness=(int)1234, width=(int)[ 1, 32768 ], height=(int)[ 1, 32768 ], framerate=(fraction)[ 0/1, 100/1 ]; video/x-raw-rgb, bpp=(int)16, depth=(int)15, red_mask=(int)31744, green_mask=(int)992, blue_mask=(int)31, endianness=(int)4321, width=(int)[ 1, 32768 ], height=(int)[ 1, 32768 ], framerate=(fraction)[ 0/1, 100/1 ]; video/x-raw-rgb, bpp=(int)16, depth=(int)16, red_mask=(int)63488, green_mask=(int)2016, blue_mask=(int)31, endianness=(int)4321, width=(int)[ 1, 32768 ], height=(int)[ 1, 32768 ], framerate=(fraction)[ 0/1, 100/1 ]; video/x-raw-rgb, bpp=(int)24, depth=(int)24, red_mask=(int)255, green_mask=(int)65280, blue_mask=(int)16711680, endianness=(int)4321, width=(int)[ 1, 32768 ], height=(int)[ 1, 32768 ], framerate=(fraction)[ 0/1, 100/1 ]; video/x-raw-rgb, bpp=(int)24, depth=(int)24, red_mask=(int)16711680, green_mask=(int)65280, blue_mask=(int)255, endianness=(int)4321, width=(int)[ 1, 32768 ], height=(int)[ 1, 32768 ], framerate=(fraction)[ 0/1, 100/1 ]; video/x-raw-rgb, bpp=(int)32, depth=(int)32, red_mask=(int)255, green_mask=(int)65280, blue_mask=(int)16711680, endianness=(int)4321, width=(int)[ 1, 32768 ], height=(int)[ 1, 32768 ], framerate=(fraction)[ 0/1, 100/1 ]; video/x-raw-rgb, bpp=(int)32, depth=(int)32, red_mask=(int)-16777216, green_mask=(int)16711680, blue_mask=(int)65280, endianness=(int)4321, width=(int)[ 1, 32768 ], height=(int)[ 1, 32768 ], framerate=(fraction)[ 0/1, 100/1 ]; video/x-raw-gray, bpp=(int)8, width=(int)[ 1, 32768 ], height=(int)[ 1, 32768 ], framerate=(fraction)[ 0/1, 100/1 ]; video/x-raw-yuv, format=(fourcc)YVU9, width=(int)[ 1, 32768 ], height=(int)[ 1, 32768 ], framerate=(fraction)[ 0/1, 100/1 ]; video/x-raw-yuv, format=(fourcc)YV12, width=(int)[ 1, 32768 ], height=(int)[ 1, 32768 ], framerate=(fraction)[ 0/1, 100/1 ]; video/x-raw-yuv, format=(fourcc)YUY2, width=(int)[ 1, 32768 ], height=(int)[ 1, 32768 ], framerate=(fraction)[ 0/1, 100/1 ]; video/x-raw-yuv, format=(fourcc)UYVY, width=(int)[ 1, 32768 ], height=(int)[ 1, 32768 ], framerate=(fraction)[ 0/1, 100/1 ]; video/x-raw-yuv, format=(fourcc)Y42B, width=(int)[ 1, 32768 ], height=(int)[ 1, 32768 ], framerate=(fraction)[ 0/1, 100/1 ]; video/x-raw-yuv, format=(fourcc)Y41B, width=(int)[ 1, 32768 ], height=(int)[ 1, 32768 ], framerate=(fraction)[ 0/1, 100/1 ]; video/x-raw-yuv, format=(fourcc)Y41P, width=(int)[ 1, 32768 ], height=(int)[ 1, 32768 ], framerate=(fraction)[ 0/1, 100/1 ]; video/x-raw-yuv, format=(fourcc)NV12, width=(int)[ 1, 32768 ], height=(int)[ 1, 32768 ], framerate=(fraction)[ 0/1, 100/1 ]; video/x-raw-yuv, format=(fourcc)NV21, width=(int)[ 1, 32768 ], height=(int)[ 1, 32768 ], framerate=(fraction)[ 0/1, 100/1 ]; video/x-raw-yuv, format=(fourcc)YUV9, width=(int)[ 1, 32768 ], height=(int)[ 1, 32768 ], framerate=(fraction)[ 0/1, 100/1 ]; video/x-raw-yuv, format=(fourcc)I420, width=(int)[ 1, 32768 ], height=(int)[ 1, 32768 ], framerate=(fraction)[ 0/1, 100/1 ]; video/x-raw-bayer, width=(int)[ 1, 32768 ], height=(int)[ 1, 32768 ], framerate=(fraction)[ 0/1, 100/1 ]; image/jpeg, width=(int)[ 1, 32768 ], height=(int)[ 1, 32768 ], framerate=(fraction)[ 0/1, 100/1 ]; image/jpeg, width=(int)[ 1, 32768 ], height=(int)[ 1, 32768 ], framerate=(fraction)[ 0/1, 100/1 ]; video/x-dv, systemstream=(boolean)true, width=(int)[ 1, 32768 ], height=(int)[ 1, 32768 ], framerate=(fraction)[ 0/1, 100/1 ]; video/x-sonix, width=(int)[ 1, 32768 ], height=(int)[ 1, 32768 ], framerate=(fraction)[ 0/1, 100/1 ]; video/x-pwc1, width=(int)[ 1, 32768 ], height=(int)[ 1, 32768 ], framerate=(fraction)[ 0/1, 100/1 ]; video/x-pwc2, width=(int)[ 1, 32768 ], height=(int)[ 1, 32768 ], framerate=(fraction)[ 0/1, 100/1 ]</details> </caps> </pads> </element> diff --git a/docs/plugins/inspect/plugin-wavparse.xml b/docs/plugins/inspect/plugin-wavparse.xml index e1dfbc95..2ca9d181 100644 --- a/docs/plugins/inspect/plugin-wavparse.xml +++ b/docs/plugins/inspect/plugin-wavparse.xml @@ -20,7 +20,7 @@ <name>wavparse_src</name> <direction>source</direction> <presence>sometimes</presence> - <details>audio/ms-gsm, rate=(int)[ 1, 96000 ], channels=(int)[ 1, 2 ]; audio/mpeg, mpegversion=(int)1, layer=(int)3, rate=(int)[ 8000, 48000 ], channels=(int)[ 1, 2 ]; audio/mpeg, mpegversion=(int)1, layer=(int)2, rate=(int)[ 16000, 48000 ], channels=(int)[ 1, 2 ]; audio/x-raw-int, endianness=(int)1234, signed=(boolean){ true, false }, width=(int){ 8, 16, 24, 32 }, depth=(int)[ 1, 32 ], rate=(int)[ 1000, 96000 ], channels=(int)[ 1, 8 ]; audio/x-vorbis, rate=(int)[ 1000, 96000 ], channels=(int)[ 1, 2 ]; audio/x-ac3, rate=(int)[ 1000, 96000 ], channels=(int)[ 1, 6 ]; audio/x-dts; audio/mpeg, mpegversion=(int)4, rate=(int)[ 1000, 96000 ], channels=(int)[ 1, 8 ]; audio/x-alaw, rate=(int)[ 1000, 48000 ], channels=(int)[ 1, 2 ]; audio/x-mulaw, rate=(int)[ 1000, 48000 ], channels=(int)[ 1, 2 ]; audio/x-wms, bitrate=(int)[ 0, 2147483647 ], rate=(int)[ 1000, 96000 ], channels=(int)[ 1, 2 ], block_align=(int)[ 1, 2147483647 ]; audio/x-adpcm, layout=(string)microsoft, rate=(int)[ 1000, 96000 ], channels=(int)[ 1, 2 ], block_align=(int)[ 1, 2147483647 ]; audio/x-adpcm, layout=(string)dvi, rate=(int)[ 1000, 48000 ], channels=(int)[ 1, 2 ], block_align=(int)[ 1, 2147483647 ]; audio/x-truespeech, rate=(int)8000, channels=(int)[ 1, 2 ]; audio/x-wma, wmaversion=(int)1, bitrate=(int)[ 0, 2147483647 ], rate=(int)[ 1000, 96000 ], channels=(int)[ 1, 6 ], block_align=(int)[ 1, 2147483647 ]; audio/x-wma, wmaversion=(int)2, bitrate=(int)[ 0, 2147483647 ], rate=(int)[ 1000, 96000 ], channels=(int)[ 1, 6 ], block_align=(int)[ 1, 2147483647 ]; audio/x-wma, wmaversion=(int)3, bitrate=(int)[ 0, 2147483647 ], rate=(int)[ 1000, 96000 ], channels=(int)[ 1, 6 ], block_align=(int)[ 1, 2147483647 ]; audio/x-vnd.sony.atrac3, rate=(int)[ 1000, 96000 ], channels=(int)[ 1, 2 ]; audio/x-raw-float, endianness=(int)1234, width=(int){ 32, 64 }, rate=(int)[ 1000, 96000 ], channels=(int)[ 1, 8 ]; audio/x-voxware, voxwaretype=(int)117, rate=(int)[ 1000, 96000 ], channels=(int)[ 1, 2 ]; audio/x-adpcm, layout=(string)dk4, rate=(int)[ 8000, 96000 ], channels=(int)[ 1, 2 ]; audio/x-adpcm, layout=(string)dk3, rate=(int)[ 8000, 96000 ], channels=(int)[ 1, 2 ]; application/x-ogg-avi</details> + <details>audio/ms-gsm, rate=(int)[ 1, 96000 ], channels=(int)[ 1, 2 ]; audio/mpeg, mpegversion=(int)1, layer=(int)3, rate=(int)[ 8000, 48000 ], channels=(int)[ 1, 2 ]; audio/mpeg, mpegversion=(int)1, layer=(int)2, rate=(int)[ 16000, 48000 ], channels=(int)[ 1, 2 ]; audio/x-raw-int, endianness=(int)1234, signed=(boolean){ true, false }, width=(int){ 8, 16, 24, 32 }, depth=(int)[ 1, 32 ], rate=(int)[ 1000, 192000 ], channels=(int)[ 1, 8 ]; audio/x-vorbis, rate=(int)[ 1000, 192000 ], channels=(int)[ 1, 2 ]; audio/x-ac3, rate=(int)[ 1000, 96000 ], channels=(int)[ 1, 6 ]; audio/x-dts; audio/mpeg, mpegversion=(int)4, rate=(int)[ 1000, 96000 ], channels=(int)[ 1, 8 ]; audio/x-alaw, rate=(int)[ 1000, 48000 ], channels=(int)[ 1, 2 ]; audio/x-mulaw, rate=(int)[ 1000, 48000 ], channels=(int)[ 1, 2 ]; audio/x-wms, bitrate=(int)[ 0, 2147483647 ], rate=(int)[ 1000, 96000 ], channels=(int)[ 1, 2 ], block_align=(int)[ 1, 2147483647 ]; audio/x-adpcm, layout=(string)microsoft, rate=(int)[ 1000, 96000 ], channels=(int)[ 1, 2 ], block_align=(int)[ 1, 2147483647 ]; audio/x-adpcm, layout=(string)dvi, rate=(int)[ 1000, 48000 ], channels=(int)[ 1, 2 ], block_align=(int)[ 1, 2147483647 ]; audio/x-truespeech, rate=(int)8000, channels=(int)[ 1, 2 ]; audio/x-wma, wmaversion=(int)1, bitrate=(int)[ 0, 2147483647 ], rate=(int)[ 1000, 96000 ], channels=(int)[ 1, 6 ], block_align=(int)[ 1, 2147483647 ]; audio/x-wma, wmaversion=(int)2, bitrate=(int)[ 0, 2147483647 ], rate=(int)[ 1000, 96000 ], channels=(int)[ 1, 6 ], block_align=(int)[ 1, 2147483647 ]; audio/x-wma, wmaversion=(int)3, bitrate=(int)[ 0, 2147483647 ], rate=(int)[ 1000, 96000 ], channels=(int)[ 1, 6 ], block_align=(int)[ 1, 2147483647 ]; audio/x-vnd.sony.atrac3, rate=(int)[ 1000, 96000 ], channels=(int)[ 1, 2 ]; audio/x-raw-float, endianness=(int)1234, width=(int){ 32, 64 }, rate=(int)[ 1000, 192000 ], channels=(int)[ 1, 8 ]; audio/x-voxware, voxwaretype=(int)117, rate=(int)[ 1000, 96000 ], channels=(int)[ 1, 2 ]; audio/x-adpcm, layout=(string)dk4, rate=(int)[ 8000, 96000 ], channels=(int)[ 1, 2 ]; audio/x-adpcm, layout=(string)dk3, rate=(int)[ 8000, 96000 ], channels=(int)[ 1, 2 ]; application/x-ogg-avi</details> </caps> <caps> <name>wavparse_sink</name> diff --git a/gst/audiofx/Makefile.am b/gst/audiofx/Makefile.am index d93d3e9a..0ba4f1f3 100644 --- a/gst/audiofx/Makefile.am +++ b/gst/audiofx/Makefile.am @@ -12,9 +12,11 @@ libgstaudiofx_la_SOURCES = audiofx.c\ audiofxbaseiirfilter.c \ audiocheblimit.c \ audiochebband.c \ + audioiirfilter.c \ audiofxbasefirfilter.c \ audiowsincband.c \ - audiowsinclimit.c + audiowsinclimit.c \ + audiofirfilter.c # flags used to compile this plugin libgstaudiofx_la_CFLAGS = $(GST_CFLAGS) \ @@ -39,8 +41,10 @@ noinst_HEADERS = audiopanorama.h \ audiofxbaseiirfilter.h \ audiocheblimit.h \ audiochebband.h \ + audioiirfilter.h \ audiofxbasefirfilter.h \ audiowsincband.h \ audiowsinclimit.h \ + audiofirfilter.h \ math_compat.h diff --git a/gst/audiofx/audiofirfilter.c b/gst/audiofx/audiofirfilter.c new file mode 100644 index 00000000..3ee4d832 --- /dev/null +++ b/gst/audiofx/audiofirfilter.c @@ -0,0 +1,273 @@ +/* + * GStreamer + * Copyright (C) 2009 Sebastian Dröge <sebastian.droege@collabora.co.uk> + * + * 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. + * + */ + +/** + * SECTION:element-audiofirfilter + * @short_description: Generic audio FIR filter + * + * <refsect2> + * <para> + * audiofirfilter implements a generic audio <ulink url="http://en.wikipedia.org/wiki/Finite_impulse_response">FIR filter</ulink>. Before usage the + * "kernel" property has to be set to the filter kernel that should be + * used and the "latency" property has to be set to the latency (in samples) + * that is introduced by the filter kernel. Setting a latency of n samples + * will lead to the first n samples being dropped from the output and + * n samples added to the end. + * </para> + * <para> + * The filter kernel describes the impulse response of the filter. To + * calculate the frequency response of the filter you have to calculate + * the Fourier Transform of the impulse response. + * </para> + * <para> + * To change the filter kernel whenever the sampling rate changes the + * "rate-changed" signal can be used. This should be done for most + * FIR filters as they're depending on the sampling rate. + * </para> + * <title>Example application</title> + * <para> + * <include xmlns="http://www.w3.org/2003/XInclude" href="element-firfilter-example.xml" /> + * </para> + * </refsect2> + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include <string.h> +#include <math.h> +#include <gst/gst.h> +#include <gst/audio/gstaudiofilter.h> +#include <gst/controller/gstcontroller.h> + +#include "audiofirfilter.h" + +#define GST_CAT_DEFAULT gst_audio_fir_filter_debug +GST_DEBUG_CATEGORY_STATIC (GST_CAT_DEFAULT); + +enum +{ + SIGNAL_RATE_CHANGED, + LAST_SIGNAL +}; + +enum +{ + PROP_0, + PROP_KERNEL, + PROP_LATENCY +}; + +static guint gst_audio_fir_filter_signals[LAST_SIGNAL] = { 0, }; + +#define DEBUG_INIT(bla) \ + GST_DEBUG_CATEGORY_INIT (gst_audio_fir_filter_debug, "audiofirfilter", 0, \ + "Generic audio FIR filter plugin"); + +GST_BOILERPLATE_FULL (GstAudioFIRFilter, gst_audio_fir_filter, GstAudioFilter, + GST_TYPE_AUDIO_FX_BASE_FIR_FILTER, DEBUG_INIT); + +static void gst_audio_fir_filter_set_property (GObject * object, guint prop_id, + const GValue * value, GParamSpec * pspec); +static void gst_audio_fir_filter_get_property (GObject * object, guint prop_id, + GValue * value, GParamSpec * pspec); +static void gst_audio_fir_filter_finalize (GObject * object); + +static gboolean gst_audio_fir_filter_setup (GstAudioFilter * base, + GstRingBufferSpec * format); + +/* Element class */ +static void +gst_audio_fir_filter_base_init (gpointer g_class) +{ + GstElementClass *element_class = GST_ELEMENT_CLASS (g_class); + + gst_element_class_set_details_simple (element_class, + "Audio FIR filter", "Filter/Effect/Audio", + "Generic audio FIR filter with custom filter kernel", + "Sebastian Dröge <sebastian.droege@collabora.co.uk>"); +} + +static void +gst_audio_fir_filter_class_init (GstAudioFIRFilterClass * klass) +{ + GObjectClass *gobject_class = (GObjectClass *) klass; + GstAudioFilterClass *filter_class = (GstAudioFilterClass *) klass; + + gobject_class->set_property = gst_audio_fir_filter_set_property; + gobject_class->get_property = gst_audio_fir_filter_get_property; + gobject_class->finalize = gst_audio_fir_filter_finalize; + + g_object_class_install_property (gobject_class, PROP_KERNEL, + g_param_spec_value_array ("kernel", "Filter Kernel", + "Filter kernel for the FIR filter", + g_param_spec_double ("Element", "Filter Kernel Element", + "Element of the filter kernel", -G_MAXDOUBLE, G_MAXDOUBLE, 0.0, + G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS), + G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); + g_object_class_install_property (gobject_class, PROP_LATENCY, + g_param_spec_uint64 ("latency", "Latecy", + "Filter latency in samples", + 0, G_MAXUINT64, 0, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); + + filter_class->setup = GST_DEBUG_FUNCPTR (gst_audio_fir_filter_setup); + + /** + * GstAudioFIRFilter::rate-changed: + * @filter: the filter on which the signal is emitted + * @rate: the new sampling rate + * + * Will be emitted when the sampling rate changes. The callbacks + * will be called from the streaming thread and processing will + * stop until the event is handled. + */ + gst_audio_fir_filter_signals[SIGNAL_RATE_CHANGED] = + g_signal_new ("rate-changed", G_TYPE_FROM_CLASS (klass), + G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (GstAudioFIRFilterClass, rate_changed), + NULL, NULL, gst_marshal_VOID__INT, G_TYPE_NONE, 1, G_TYPE_INT); +} + +static void +gst_audio_fir_filter_update_kernel (GstAudioFIRFilter * self, GValueArray * va) +{ + gdouble *kernel; + guint i; + + gst_audio_fx_base_fir_filter_push_residue (GST_AUDIO_FX_BASE_FIR_FILTER + (self)); + + if (va) { + if (self->kernel) + g_value_array_free (self->kernel); + + self->kernel = va; + } + + kernel = g_new (gdouble, self->kernel->n_values); + + for (i = 0; i < self->kernel->n_values; i++) { + GValue *v = g_value_array_get_nth (self->kernel, i); + kernel[i] = g_value_get_double (v); + } + + gst_audio_fx_base_fir_filter_set_kernel (GST_AUDIO_FX_BASE_FIR_FILTER (self), + kernel, self->kernel->n_values, self->latency); +} + +static void +gst_audio_fir_filter_init (GstAudioFIRFilter * self, + GstAudioFIRFilterClass * g_class) +{ + GValue v = { 0, }; + GValueArray *va; + + self->latency = 0; + va = g_value_array_new (1); + + g_value_init (&v, G_TYPE_DOUBLE); + g_value_set_double (&v, 1.0); + g_value_array_append (va, &v); + g_value_unset (&v); + gst_audio_fir_filter_update_kernel (self, va); + + self->lock = g_mutex_new (); +} + +/* GstAudioFilter vmethod implementations */ + +/* get notified of caps and plug in the correct process function */ +static gboolean +gst_audio_fir_filter_setup (GstAudioFilter * base, GstRingBufferSpec * format) +{ + GstAudioFIRFilter *self = GST_AUDIO_FIR_FILTER (base); + + if (self->rate != format->rate) { + g_signal_emit (G_OBJECT (self), + gst_audio_fir_filter_signals[SIGNAL_RATE_CHANGED], 0, format->rate); + self->rate = format->rate; + } + + return GST_AUDIO_FILTER_CLASS (parent_class)->setup (base, format); +} + +static void +gst_audio_fir_filter_finalize (GObject * object) +{ + GstAudioFIRFilter *self = GST_AUDIO_FIR_FILTER (object); + + g_mutex_free (self->lock); + self->lock = NULL; + + if (self->kernel) + g_value_array_free (self->kernel); + self->kernel = NULL; + + G_OBJECT_CLASS (parent_class)->finalize (object); +} + +static void +gst_audio_fir_filter_set_property (GObject * object, guint prop_id, + const GValue * value, GParamSpec * pspec) +{ + GstAudioFIRFilter *self = GST_AUDIO_FIR_FILTER (object); + + g_return_if_fail (GST_IS_AUDIO_FIR_FILTER (self)); + + switch (prop_id) { + case PROP_KERNEL: + g_mutex_lock (self->lock); + gst_audio_fx_base_fir_filter_push_residue (GST_AUDIO_FX_BASE_FIR_FILTER + (self)); + + gst_audio_fir_filter_update_kernel (self, g_value_dup_boxed (value)); + g_mutex_unlock (self->lock); + break; + case PROP_LATENCY: + g_mutex_lock (self->lock); + self->latency = g_value_get_uint64 (value); + gst_audio_fir_filter_update_kernel (self, NULL); + g_mutex_unlock (self->lock); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; + } +} + +static void +gst_audio_fir_filter_get_property (GObject * object, guint prop_id, + GValue * value, GParamSpec * pspec) +{ + GstAudioFIRFilter *self = GST_AUDIO_FIR_FILTER (object); + + switch (prop_id) { + case PROP_KERNEL: + g_value_set_boxed (value, self->kernel); + break; + case PROP_LATENCY: + g_value_set_uint64 (value, self->latency); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; + } +} diff --git a/gst/audiofx/audiofirfilter.h b/gst/audiofx/audiofirfilter.h new file mode 100644 index 00000000..d1d896c0 --- /dev/null +++ b/gst/audiofx/audiofirfilter.h @@ -0,0 +1,72 @@ +/* + * GStreamer + * Copyright (C) 2009 Sebastian Dröge <sebastian.droege@collabora.co.uk> + * + * 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_AUDIO_FIR_FILTER_H__ +#define __GST_AUDIO_FIR_FILTER_H__ + +#include <gst/gst.h> +#include <gst/audio/gstaudiofilter.h> + +#include "audiofxbasefirfilter.h" + +G_BEGIN_DECLS + +#define GST_TYPE_AUDIO_FIR_FILTER \ + (gst_audio_fir_filter_get_type()) +#define GST_AUDIO_FIR_FILTER(obj) \ + (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_AUDIO_FIR_FILTER,GstAudioFIRFilter)) +#define GST_AUDIO_FIR_FILTER_CLASS(klass) \ + (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_AUDIO_FIR_FILTER,GstAudioFIRFilterClass)) +#define GST_IS_AUDIO_FIR_FILTER(obj) \ + (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_AUDIO_FIR_FILTER)) +#define GST_IS_AUDIO_FIR_FILTER_CLASS(klass) \ + (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_AUDIO_FIR_FILTER)) + +typedef struct _GstAudioFIRFilter GstAudioFIRFilter; +typedef struct _GstAudioFIRFilterClass GstAudioFIRFilterClass; + +/** + * GstAudioFIRFilter: + * + * Opaque data structure. + */ +struct _GstAudioFIRFilter { + GstAudioFXBaseFIRFilter parent; + + GValueArray *kernel; + guint64 latency; + + /* < private > */ + GMutex *lock; + gint rate; +}; + +struct _GstAudioFIRFilterClass { + GstAudioFXBaseFIRFilterClass parent; + + void (*rate_changed) (GstElement * element, gint rate); +}; + +GType gst_audio_fir_filter_get_type (void); + +G_END_DECLS + +#endif /* __GST_AUDIO_FIR_FILTER_H__ */ diff --git a/gst/audiofx/audiofx.c b/gst/audiofx/audiofx.c index 43d1b0cc..62b70761 100644 --- a/gst/audiofx/audiofx.c +++ b/gst/audiofx/audiofx.c @@ -32,8 +32,10 @@ #include "audiodynamic.h" #include "audiocheblimit.h" #include "audiochebband.h" +#include "audioiirfilter.h" #include "audiowsincband.h" #include "audiowsinclimit.h" +#include "audiofirfilter.h" /* entry point to initialize the plug-in * initialize the plug-in itself @@ -60,10 +62,14 @@ plugin_init (GstPlugin * plugin) GST_TYPE_AUDIO_CHEB_LIMIT) && gst_element_register (plugin, "audiochebband", GST_RANK_NONE, GST_TYPE_AUDIO_CHEB_BAND) && + gst_element_register (plugin, "audioiirfilter", GST_RANK_NONE, + GST_TYPE_AUDIO_IIR_FILTER) && gst_element_register (plugin, "audiowsinclimit", GST_RANK_NONE, GST_TYPE_AUDIO_WSINC_LIMIT) && gst_element_register (plugin, "audiowsincband", GST_RANK_NONE, - GST_TYPE_AUDIO_WSINC_BAND)); + GST_TYPE_AUDIO_WSINC_BAND) && + gst_element_register (plugin, "audiofirfilter", GST_RANK_NONE, + GST_TYPE_AUDIO_FIR_FILTER)); } GST_PLUGIN_DEFINE (GST_VERSION_MAJOR, diff --git a/gst/audiofx/audioiirfilter.c b/gst/audiofx/audioiirfilter.c new file mode 100644 index 00000000..76112c6f --- /dev/null +++ b/gst/audiofx/audioiirfilter.c @@ -0,0 +1,291 @@ +/* + * GStreamer + * Copyright (C) 2009 Sebastian Dröge <sebastian.droege@collabora.co.uk> + * + * 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. + * + */ + +/** + * SECTION:element-audioiirfilter + * @short_description: Generic audio IIR filter + * + * <refsect2> + * <para> + * audioiirfilter implements a generic audio <ulink url="http://en.wikipedia.org/wiki/Infinite_impulse_response">IIR filter</ulink>. Before usage the + * "a" and "b" properties have to be set to the filter coefficients that + * should be used. + * </para> + * <para> + * The filter coefficients describe the numerator and denominator of the + * transfer function. + * </para> + * <para> + * To change the filter coefficients whenever the sampling rate changes the + * "rate-changed" signal can be used. This should be done for most + * IIR filters as they're depending on the sampling rate. + * </para> + * <title>Example application</title> + * <para> + * <include xmlns="http://www.w3.org/2003/XInclude" href="element-iirfilter-example.xml" /> + * </para> + * </refsect2> + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include <string.h> +#include <math.h> +#include <gst/gst.h> +#include <gst/audio/gstaudiofilter.h> +#include <gst/controller/gstcontroller.h> + +#include "audioiirfilter.h" + +#define GST_CAT_DEFAULT gst_audio_iir_filter_debug +GST_DEBUG_CATEGORY_STATIC (GST_CAT_DEFAULT); + +enum +{ + SIGNAL_RATE_CHANGED, + LAST_SIGNAL +}; + +enum +{ + PROP_0, + PROP_A, + PROP_B +}; + +static guint gst_audio_iir_filter_signals[LAST_SIGNAL] = { 0, }; + +#define DEBUG_INIT(bla) \ + GST_DEBUG_CATEGORY_INIT (gst_audio_iir_filter_debug, "audioiirfilter", 0, \ + "Generic audio IIR filter plugin"); + +GST_BOILERPLATE_FULL (GstAudioIIRFilter, gst_audio_iir_filter, GstAudioFilter, + GST_TYPE_AUDIO_FX_BASE_IIR_FILTER, DEBUG_INIT); + +static void gst_audio_iir_filter_set_property (GObject * object, guint prop_id, + const GValue * value, GParamSpec * pspec); +static void gst_audio_iir_filter_get_property (GObject * object, guint prop_id, + GValue * value, GParamSpec * pspec); +static void gst_audio_iir_filter_finalize (GObject * object); + +static gboolean gst_audio_iir_filter_setup (GstAudioFilter * base, + GstRingBufferSpec * format); + +/* Element class */ +static void +gst_audio_iir_filter_base_init (gpointer g_class) +{ + GstElementClass *element_class = GST_ELEMENT_CLASS (g_class); + + gst_element_class_set_details_simple (element_class, + "Audio IIR filter", "Filter/Effect/Audio", + "Generic audio IIR filter with custom filter kernel", + "Sebastian Dröge <sebastian.droege@collabora.co.uk>"); +} + +static void +gst_audio_iir_filter_class_init (GstAudioIIRFilterClass * klass) +{ + GObjectClass *gobject_class = (GObjectClass *) klass; + GstAudioFilterClass *filter_class = (GstAudioFilterClass *) klass; + + gobject_class->set_property = gst_audio_iir_filter_set_property; + gobject_class->get_property = gst_audio_iir_filter_get_property; + gobject_class->finalize = gst_audio_iir_filter_finalize; + + g_object_class_install_property (gobject_class, PROP_A, + g_param_spec_value_array ("a", "A", + "Filter coefficients (numerator of transfer function)", + g_param_spec_double ("Coefficient", "Filter Coefficient", + "Filter coefficient", -G_MAXDOUBLE, G_MAXDOUBLE, 0.0, + G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS), + G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); + g_object_class_install_property (gobject_class, PROP_B, + g_param_spec_value_array ("b", "B", + "Filter coefficients (denominator of transfer function)", + g_param_spec_double ("Coefficient", "Filter Coefficient", + "Filter coefficient", -G_MAXDOUBLE, G_MAXDOUBLE, 0.0, + G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS), + G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); + + filter_class->setup = GST_DEBUG_FUNCPTR (gst_audio_iir_filter_setup); + + /** + * GstAudioIIRFilter::rate-changed: + * @filter: the filter on which the signal is emitted + * @rate: the new sampling rate + * + * Will be emitted when the sampling rate changes. The callbacks + * will be called from the streaming thread and processing will + * stop until the event is handled. + */ + gst_audio_iir_filter_signals[SIGNAL_RATE_CHANGED] = + g_signal_new ("rate-changed", G_TYPE_FROM_CLASS (klass), + G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (GstAudioIIRFilterClass, rate_changed), + NULL, NULL, gst_marshal_VOID__INT, G_TYPE_NONE, 1, G_TYPE_INT); +} + +static void +gst_audio_iir_filter_update_coefficients (GstAudioIIRFilter * self, + GValueArray * va, GValueArray * vb) +{ + gdouble *a = NULL, *b = NULL; + guint i; + + if (va) { + if (self->a) + g_value_array_free (self->a); + + self->a = va; + } + if (vb) { + if (self->b) + g_value_array_free (self->b); + + self->b = vb; + } + + if (self->a && self->a->n_values > 0) + a = g_new (gdouble, self->a->n_values); + if (self->b && self->b->n_values > 0) + b = g_new (gdouble, self->b->n_values); + + if (self->a) { + for (i = 0; i < self->a->n_values; i++) { + GValue *v = g_value_array_get_nth (self->a, i); + a[i] = g_value_get_double (v); + } + } + + if (self->b) { + for (i = 0; i < self->b->n_values; i++) { + GValue *v = g_value_array_get_nth (self->b, i); + b[i] = g_value_get_double (v); + } + } + + gst_audio_fx_base_iir_filter_set_coefficients (GST_AUDIO_FX_BASE_IIR_FILTER + (self), a, (self->a) ? self->a->n_values : 0, b, + (self->b) ? self->b->n_values : 0); +} + +static void +gst_audio_iir_filter_init (GstAudioIIRFilter * self, + GstAudioIIRFilterClass * g_class) +{ + GValue v = { 0, }; + GValueArray *a, *b; + + a = g_value_array_new (1); + + g_value_init (&v, G_TYPE_DOUBLE); + g_value_set_double (&v, 1.0); + g_value_array_append (a, &v); + g_value_unset (&v); + + b = NULL; + gst_audio_iir_filter_update_coefficients (self, a, b); + + self->lock = g_mutex_new (); +} + +/* GstAudioFilter vmethod implementations */ + +/* get notified of caps and plug in the correct process function */ +static gboolean +gst_audio_iir_filter_setup (GstAudioFilter * base, GstRingBufferSpec * format) +{ + GstAudioIIRFilter *self = GST_AUDIO_IIR_FILTER (base); + + if (self->rate != format->rate) { + g_signal_emit (G_OBJECT (self), + gst_audio_iir_filter_signals[SIGNAL_RATE_CHANGED], 0, format->rate); + self->rate = format->rate; + } + + return GST_AUDIO_FILTER_CLASS (parent_class)->setup (base, format); +} + +static void +gst_audio_iir_filter_finalize (GObject * object) +{ + GstAudioIIRFilter *self = GST_AUDIO_IIR_FILTER (object); + + g_mutex_free (self->lock); + self->lock = NULL; + + if (self->a) + g_value_array_free (self->a); + self->a = NULL; + if (self->b) + g_value_array_free (self->b); + self->b = NULL; + + G_OBJECT_CLASS (parent_class)->finalize (object); +} + +static void +gst_audio_iir_filter_set_property (GObject * object, guint prop_id, + const GValue * value, GParamSpec * pspec) +{ + GstAudioIIRFilter *self = GST_AUDIO_IIR_FILTER (object); + + g_return_if_fail (GST_IS_AUDIO_IIR_FILTER (self)); + + switch (prop_id) { + case PROP_A: + g_mutex_lock (self->lock); + gst_audio_iir_filter_update_coefficients (self, g_value_dup_boxed (value), + NULL); + g_mutex_unlock (self->lock); + break; + case PROP_B: + g_mutex_lock (self->lock); + gst_audio_iir_filter_update_coefficients (self, NULL, + g_value_dup_boxed (value)); + g_mutex_unlock (self->lock); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; + } +} + +static void +gst_audio_iir_filter_get_property (GObject * object, guint prop_id, + GValue * value, GParamSpec * pspec) +{ + GstAudioIIRFilter *self = GST_AUDIO_IIR_FILTER (object); + + switch (prop_id) { + case PROP_A: + g_value_set_boxed (value, self->a); + break; + case PROP_B: + g_value_set_boxed (value, self->b); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; + } +} diff --git a/gst/audiofx/audioiirfilter.h b/gst/audiofx/audioiirfilter.h new file mode 100644 index 00000000..607edf27 --- /dev/null +++ b/gst/audiofx/audioiirfilter.h @@ -0,0 +1,71 @@ +/* + * GStreamer + * Copyright (C) 2009 Sebastian Dröge <sebastian.droege@collabora.co.uk> + * + * 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_AUDIO_IIR_FILTER_H__ +#define __GST_AUDIO_IIR_FILTER_H__ + +#include <gst/gst.h> +#include <gst/audio/gstaudiofilter.h> + +#include "audiofxbaseiirfilter.h" + +G_BEGIN_DECLS + +#define GST_TYPE_AUDIO_IIR_FILTER \ + (gst_audio_iir_filter_get_type()) +#define GST_AUDIO_IIR_FILTER(obj) \ + (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_AUDIO_IIR_FILTER,GstAudioIIRFilter)) +#define GST_AUDIO_IIR_FILTER_CLASS(klass) \ + (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_AUDIO_IIR_FILTER,GstAudioIIRFilterClass)) +#define GST_IS_AUDIO_IIR_FILTER(obj) \ + (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_AUDIO_IIR_FILTER)) +#define GST_IS_AUDIO_IIR_FILTER_CLASS(klass) \ + (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_AUDIO_IIR_FILTER)) + +typedef struct _GstAudioIIRFilter GstAudioIIRFilter; +typedef struct _GstAudioIIRFilterClass GstAudioIIRFilterClass; + +/** + * GstAudioIIRFilter: + * + * Opaque data structure. + */ +struct _GstAudioIIRFilter { + GstAudioFXBaseIIRFilter parent; + + GValueArray *a, *b; + + /* < private > */ + GMutex *lock; + gint rate; +}; + +struct _GstAudioIIRFilterClass { + GstAudioFXBaseIIRFilterClass parent; + + void (*rate_changed) (GstElement * element, gint rate); +}; + +GType gst_audio_iir_filter_get_type (void); + +G_END_DECLS + +#endif /* __GST_AUDIO_IIR_FILTER_H__ */ diff --git a/tests/check/Makefile.am b/tests/check/Makefile.am index d1a55197..5cc63dbb 100644 --- a/tests/check/Makefile.am +++ b/tests/check/Makefile.am @@ -72,10 +72,12 @@ check_PROGRAMS = \ elements/audioinvert \ elements/audiochebband \ elements/audiocheblimit \ + elements/audioiirfilter \ elements/audioamplify \ elements/audiodynamic \ elements/audiowsincband \ elements/audiowsinclimit \ + elements/audiofirfilter \ elements/avimux \ elements/avisubtitle \ elements/deinterleave \ diff --git a/tests/check/elements/audiofirfilter.c b/tests/check/elements/audiofirfilter.c new file mode 100644 index 00000000..c4eb7238 --- /dev/null +++ b/tests/check/elements/audiofirfilter.c @@ -0,0 +1,169 @@ +/* GStreamer + * + * Copyright (C) 2009 Sebastian Dröge <sebastian.droege@collabora.co.uk> + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public License + * as published by the Free Software Foundation; either version 2.1 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + +#include <gst/gst.h> +#include <gst/check/gstcheck.h> + +static gboolean have_eos = FALSE; + +static gboolean +on_message (GstBus * bus, GstMessage * message, gpointer user_data) +{ + GMainLoop *loop = (GMainLoop *) user_data; + + switch (GST_MESSAGE_TYPE (message)) { + case GST_MESSAGE_ERROR: + case GST_MESSAGE_WARNING: + g_assert_not_reached (); + g_main_loop_quit (loop); + break; + + case GST_MESSAGE_EOS: + have_eos = TRUE; + g_main_loop_quit (loop); + break; + default: + break; + } + + return TRUE; +} + +static void +on_rate_changed (GstElement * element, gint rate, gpointer user_data) +{ + GValueArray *va; + GValue v = { 0, }; + + fail_unless (rate > 0); + + va = g_value_array_new (6); + + g_value_init (&v, G_TYPE_DOUBLE); + g_value_set_double (&v, 0.0); + g_value_array_append (va, &v); + g_value_reset (&v); + g_value_set_double (&v, 0.0); + g_value_array_append (va, &v); + g_value_reset (&v); + g_value_set_double (&v, 0.0); + g_value_array_append (va, &v); + g_value_reset (&v); + g_value_set_double (&v, 0.0); + g_value_array_append (va, &v); + g_value_reset (&v); + g_value_set_double (&v, 0.0); + g_value_array_append (va, &v); + g_value_reset (&v); + g_value_set_double (&v, 1.0); + g_value_array_append (va, &v); + g_value_reset (&v); + + g_object_set (G_OBJECT (element), "kernel", va, NULL); + + g_value_array_free (va); +} + +static gboolean have_data = FALSE; + +static void +on_handoff (GstElement * object, GstBuffer * buffer, GstPad * pad, + gpointer user_data) +{ + if (!have_data) { + gdouble *data = (gdouble *) GST_BUFFER_DATA (buffer); + + fail_unless (GST_BUFFER_SIZE (buffer) > 5 * sizeof (gdouble)); + fail_unless (data[0] == 0.0); + fail_unless (data[1] == 0.0); + fail_unless (data[2] == 0.0); + fail_unless (data[3] == 0.0); + fail_unless (data[4] == 0.0); + fail_unless (data[5] != 0.0); + have_data = TRUE; + } +} + +GST_START_TEST (test_pipeline) +{ + GstElement *pipeline, *src, *filter, *sink; + GstBus *bus; + GMainLoop *loop; + + have_data = FALSE; + have_eos = FALSE; + + pipeline = gst_element_factory_make ("pipeline", NULL); + fail_unless (pipeline != NULL); + + src = gst_element_factory_make ("audiotestsrc", NULL); + fail_unless (src != NULL); + g_object_set (G_OBJECT (src), "num-buffers", 1000, NULL); + + filter = gst_element_factory_make ("audiofirfilter", NULL); + fail_unless (filter != NULL); + g_signal_connect (G_OBJECT (filter), "rate-changed", + G_CALLBACK (on_rate_changed), NULL); + + sink = gst_element_factory_make ("fakesink", NULL); + fail_unless (sink != NULL); + g_object_set (G_OBJECT (sink), "signal-handoffs", TRUE, NULL); + g_signal_connect (G_OBJECT (sink), "handoff", G_CALLBACK (on_handoff), NULL); + + gst_bin_add_many (GST_BIN (pipeline), src, filter, sink, NULL); + fail_unless (gst_element_link_many (src, filter, sink, NULL)); + + loop = g_main_loop_new (NULL, FALSE); + + bus = gst_pipeline_get_bus (GST_PIPELINE (pipeline)); + gst_bus_add_signal_watch (bus); + g_signal_connect (G_OBJECT (bus), "message", G_CALLBACK (on_message), loop); + gst_object_unref (GST_OBJECT (bus)); + + fail_if (gst_element_set_state (pipeline, + GST_STATE_PLAYING) == GST_STATE_CHANGE_FAILURE); + + g_main_loop_run (loop); + + fail_unless (have_data); + fail_unless (have_eos); + + fail_unless (gst_element_set_state (pipeline, + GST_STATE_NULL) == GST_STATE_CHANGE_SUCCESS); + + g_main_loop_unref (loop); + gst_object_unref (pipeline); +} + +GST_END_TEST; + +static Suite * +audiofirfilter_suite (void) +{ + Suite *s = suite_create ("audiofirfilter"); + TCase *tc_chain = tcase_create ("general"); + + suite_add_tcase (s, tc_chain); + tcase_add_test (tc_chain, test_pipeline); + + return s; +} + +GST_CHECK_MAIN (audiofirfilter); diff --git a/tests/check/elements/audioiirfilter.c b/tests/check/elements/audioiirfilter.c new file mode 100644 index 00000000..d144792b --- /dev/null +++ b/tests/check/elements/audioiirfilter.c @@ -0,0 +1,179 @@ +/* GStreamer + * + * Copyright (C) 2009 Sebastian Dröge <sebastian.droege@collabora.co.uk> + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public License + * as published by the Free Software Foundation; either version 2.1 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + +#include <gst/gst.h> +#include <gst/check/gstcheck.h> + +static gboolean have_eos = FALSE; + +static gboolean +on_message (GstBus * bus, GstMessage * message, gpointer user_data) +{ + GMainLoop *loop = (GMainLoop *) user_data; + + switch (GST_MESSAGE_TYPE (message)) { + case GST_MESSAGE_ERROR: + case GST_MESSAGE_WARNING: + g_assert_not_reached (); + g_main_loop_quit (loop); + break; + + case GST_MESSAGE_EOS: + have_eos = TRUE; + g_main_loop_quit (loop); + break; + default: + break; + } + + return TRUE; +} + +static void +on_rate_changed (GstElement * element, gint rate, gpointer user_data) +{ + GValueArray *va; + GValue v = { 0, }; + + fail_unless (rate > 0); + + va = g_value_array_new (6); + + g_value_init (&v, G_TYPE_DOUBLE); + g_value_set_double (&v, 0.0); + g_value_array_append (va, &v); + g_value_reset (&v); + g_value_set_double (&v, 0.0); + g_value_array_append (va, &v); + g_value_reset (&v); + g_value_set_double (&v, 0.0); + g_value_array_append (va, &v); + g_value_reset (&v); + g_value_set_double (&v, 0.0); + g_value_array_append (va, &v); + g_value_reset (&v); + g_value_set_double (&v, 0.0); + g_value_array_append (va, &v); + g_value_reset (&v); + g_value_set_double (&v, 1.0); + g_value_array_append (va, &v); + g_value_reset (&v); + + g_object_set (G_OBJECT (element), "a", va, NULL); + + g_value_array_free (va); + + va = g_value_array_new (6); + + g_value_set_double (&v, 0.0); + g_value_array_append (va, &v); + g_value_reset (&v); + + g_object_set (G_OBJECT (element), "b", va, NULL); + + g_value_array_free (va); +} + +static gboolean have_data = FALSE; + +static void +on_handoff (GstElement * object, GstBuffer * buffer, GstPad * pad, + gpointer user_data) +{ + if (!have_data) { + gdouble *data = (gdouble *) GST_BUFFER_DATA (buffer); + + fail_unless (GST_BUFFER_SIZE (buffer) > 5 * sizeof (gdouble)); + fail_unless (data[0] == 0.0); + fail_unless (data[1] == 0.0); + fail_unless (data[2] == 0.0); + fail_unless (data[3] == 0.0); + fail_unless (data[4] == 0.0); + fail_unless (data[5] != 0.0); + have_data = TRUE; + } +} + +GST_START_TEST (test_pipeline) +{ + GstElement *pipeline, *src, *filter, *sink; + GstBus *bus; + GMainLoop *loop; + + have_data = FALSE; + have_eos = FALSE; + + pipeline = gst_element_factory_make ("pipeline", NULL); + fail_unless (pipeline != NULL); + + src = gst_element_factory_make ("audiotestsrc", NULL); + fail_unless (src != NULL); + g_object_set (G_OBJECT (src), "num-buffers", 1000, NULL); + + filter = gst_element_factory_make ("audioiirfilter", NULL); + fail_unless (filter != NULL); + g_signal_connect (G_OBJECT (filter), "rate-changed", + G_CALLBACK (on_rate_changed), NULL); + + sink = gst_element_factory_make ("fakesink", NULL); + fail_unless (sink != NULL); + g_object_set (G_OBJECT (sink), "signal-handoffs", TRUE, NULL); + g_signal_connect (G_OBJECT (sink), "handoff", G_CALLBACK (on_handoff), NULL); + + gst_bin_add_many (GST_BIN (pipeline), src, filter, sink, NULL); + fail_unless (gst_element_link_many (src, filter, sink, NULL)); + + loop = g_main_loop_new (NULL, FALSE); + + bus = gst_pipeline_get_bus (GST_PIPELINE (pipeline)); + gst_bus_add_signal_watch (bus); + g_signal_connect (G_OBJECT (bus), "message", G_CALLBACK (on_message), loop); + gst_object_unref (GST_OBJECT (bus)); + + fail_if (gst_element_set_state (pipeline, + GST_STATE_PLAYING) == GST_STATE_CHANGE_FAILURE); + + g_main_loop_run (loop); + + fail_unless (have_data); + fail_unless (have_eos); + + fail_unless (gst_element_set_state (pipeline, + GST_STATE_NULL) == GST_STATE_CHANGE_SUCCESS); + + g_main_loop_unref (loop); + gst_object_unref (pipeline); +} + +GST_END_TEST; + +static Suite * +audioiirfilter_suite (void) +{ + Suite *s = suite_create ("audioiirfilter"); + TCase *tc_chain = tcase_create ("general"); + + suite_add_tcase (s, tc_chain); + tcase_add_test (tc_chain, test_pipeline); + + return s; +} + +GST_CHECK_MAIN (audioiirfilter); diff --git a/tests/examples/Makefile.am b/tests/examples/Makefile.am index aad6dc18..1199543e 100644 --- a/tests/examples/Makefile.am +++ b/tests/examples/Makefile.am @@ -1,3 +1,3 @@ -SUBDIRS = equalizer level rtp spectrum +SUBDIRS = audiofx equalizer level rtp spectrum -DIST_SUBDIRS = equalizer level rtp spectrum +DIST_SUBDIRS = audiofx equalizer level rtp spectrum diff --git a/tests/examples/audiofx/Makefile.am b/tests/examples/audiofx/Makefile.am new file mode 100644 index 00000000..efcf785b --- /dev/null +++ b/tests/examples/audiofx/Makefile.am @@ -0,0 +1,7 @@ +noinst_PROGRAMS = firfilter-example iirfilter-example + +firfilter_example_CFLAGS = $(GST_CFLAGS) $(GST_PLUGINS_BASE_CFLAGS) +firfilter_example_LDADD = $(GST_LIBS) $(GST_PLUGINS_BASE_LIBS) -lgstfft-@GST_MAJORMINOR@ $(LIBM) + +iirfilter_example_CFLAGS = $(GST_CFLAGS) +iirfilter_example_LDADD = $(GST_LIBS) $(LIBM) diff --git a/tests/examples/audiofx/firfilter-example.c b/tests/examples/audiofx/firfilter-example.c new file mode 100644 index 00000000..c5d56da1 --- /dev/null +++ b/tests/examples/audiofx/firfilter-example.c @@ -0,0 +1,161 @@ +/* GStreamer + * Copyright (C) 2009 Sebastian Droege <sebastian.droege@collabora.co.uk> + * + * 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. + */ + +/* This small sample application creates a bandpass FIR filter + * by transforming the frequency response to the filter kernel. + */ + +#include <string.h> +#include <math.h> + +#include <gst/gst.h> +#include <gst/fft/gstfftf64.h> + +static gboolean +on_message (GstBus * bus, GstMessage * message, gpointer user_data) +{ + GMainLoop *loop = (GMainLoop *) user_data; + + switch (GST_MESSAGE_TYPE (message)) { + case GST_MESSAGE_ERROR: + g_error ("Got ERROR"); + g_main_loop_quit (loop); + break; + case GST_MESSAGE_WARNING: + g_warning ("Got WARNING"); + g_main_loop_quit (loop); + break; + case GST_MESSAGE_EOS: + g_main_loop_quit (loop); + break; + default: + break; + } + + return TRUE; +} + +static void +on_rate_changed (GstElement * element, gint rate, gpointer user_data) +{ + GValueArray *va; + GValue v = { 0, }; + GstFFTF64 *fft; + GstFFTF64Complex frequency_response[17]; + gdouble tmp[32]; + gdouble filter_kernel[32]; + guint i; + + /* Create the frequency response: zero outside + * a small frequency band */ + for (i = 0; i < 17; i++) { + if (i < 5 || i > 11) + frequency_response[i].r = 0.0; + else + frequency_response[i].r = 1.0; + + frequency_response[i].i = 0.0; + } + + /* Calculate the inverse FT of the frequency response */ + fft = gst_fft_f64_new (32, TRUE); + gst_fft_f64_inverse_fft (fft, frequency_response, tmp); + gst_fft_f64_free (fft); + + /* Shift the inverse FT of the frequency response by 16, + * i.e. the half of the kernel length to get the + * impulse response. See http://www.dspguide.com/ch17/1.htm + * for more information. + */ + for (i = 0; i < 32; i++) + filter_kernel[i] = tmp[(i + 16) % 32]; + + /* Apply the hamming window to the impulse response to get + * a better result than given from the rectangular window + */ + for (i = 0; i < 32; i++) + filter_kernel[i] *= (0.54 - 0.46 * cos (2 * M_PI * i / 32)); + + va = g_value_array_new (1); + + g_value_init (&v, G_TYPE_DOUBLE); + for (i = 0; i < 32; i++) { + g_value_set_double (&v, filter_kernel[i]); + g_value_array_append (va, &v); + g_value_reset (&v); + } + g_object_set (G_OBJECT (element), "kernel", va, NULL); + /* Latency is 1/2 of the kernel length for this method of + * calculating a filter kernel from the frequency response + */ + g_object_set (G_OBJECT (element), "latency", 32 / 2, NULL); + g_value_array_free (va); +} + +gint +main (gint argc, gchar * argv[]) +{ + GstElement *pipeline, *src, *filter, *conv, *sink; + GstBus *bus; + GMainLoop *loop; + + gst_init (NULL, NULL); + + pipeline = gst_element_factory_make ("pipeline", NULL); + + src = gst_element_factory_make ("audiotestsrc", NULL); + g_object_set (G_OBJECT (src), "wave", 5, NULL); + + filter = gst_element_factory_make ("audiofirfilter", NULL); + g_signal_connect (G_OBJECT (filter), "rate-changed", + G_CALLBACK (on_rate_changed), NULL); + + conv = gst_element_factory_make ("audioconvert", NULL); + + sink = gst_element_factory_make ("autoaudiosink", NULL); + g_return_val_if_fail (sink != NULL, -1); + + gst_bin_add_many (GST_BIN (pipeline), src, filter, conv, sink, NULL); + if (!gst_element_link_many (src, filter, conv, sink, NULL)) { + g_error ("Failed to link elements"); + return -2; + } + + loop = g_main_loop_new (NULL, FALSE); + + bus = gst_pipeline_get_bus (GST_PIPELINE (pipeline)); + gst_bus_add_signal_watch (bus); + g_signal_connect (G_OBJECT (bus), "message", G_CALLBACK (on_message), loop); + gst_object_unref (GST_OBJECT (bus)); + + if (gst_element_set_state (pipeline, + GST_STATE_PLAYING) == GST_STATE_CHANGE_FAILURE) { + g_error ("Failed to go into PLAYING state"); + return -3; + } + + g_main_loop_run (loop); + + gst_element_set_state (pipeline, GST_STATE_NULL); + + g_main_loop_unref (loop); + gst_object_unref (pipeline); + + return 0; +} diff --git a/tests/examples/audiofx/iirfilter-example.c b/tests/examples/audiofx/iirfilter-example.c new file mode 100644 index 00000000..8ccffb74 --- /dev/null +++ b/tests/examples/audiofx/iirfilter-example.c @@ -0,0 +1,137 @@ +/* GStreamer + * Copyright (C) 2009 Sebastian Droege <sebastian.droege@collabora.co.uk> + * + * 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. + */ + +/* This small sample application creates a lowpass IIR filter + * and applies it to white noise. + * See http://www.dspguide.com/ch19/2.htm for a description + * of the IIR filter that is used. + */ + +#include <string.h> +#include <math.h> + +#include <gst/gst.h> + +/* Cutoff of 4000 Hz */ +#define CUTOFF (4000.0) + +static gboolean +on_message (GstBus * bus, GstMessage * message, gpointer user_data) +{ + GMainLoop *loop = (GMainLoop *) user_data; + + switch (GST_MESSAGE_TYPE (message)) { + case GST_MESSAGE_ERROR: + g_error ("Got ERROR"); + g_main_loop_quit (loop); + break; + case GST_MESSAGE_WARNING: + g_warning ("Got WARNING"); + g_main_loop_quit (loop); + break; + case GST_MESSAGE_EOS: + g_main_loop_quit (loop); + break; + default: + break; + } + + return TRUE; +} + +static void +on_rate_changed (GstElement * element, gint rate, gpointer user_data) +{ + GValueArray *va; + GValue v = { 0, }; + gdouble x; + + if (rate / 2.0 > CUTOFF) + x = exp (-2.0 * M_PI * (CUTOFF / rate)); + else + x = 0.0; + + va = g_value_array_new (1); + + g_value_init (&v, G_TYPE_DOUBLE); + g_value_set_double (&v, 1.0 - x); + g_value_array_append (va, &v); + g_value_reset (&v); + g_object_set (G_OBJECT (element), "a", va, NULL); + g_value_array_free (va); + + va = g_value_array_new (1); + g_value_set_double (&v, x); + g_value_array_append (va, &v); + g_value_reset (&v); + g_object_set (G_OBJECT (element), "b", va, NULL); + g_value_array_free (va); +} + +gint +main (gint argc, gchar * argv[]) +{ + GstElement *pipeline, *src, *filter, *conv, *sink; + GstBus *bus; + GMainLoop *loop; + + gst_init (NULL, NULL); + + pipeline = gst_element_factory_make ("pipeline", NULL); + + src = gst_element_factory_make ("audiotestsrc", NULL); + g_object_set (G_OBJECT (src), "wave", 5, NULL); + + filter = gst_element_factory_make ("audioiirfilter", NULL); + g_signal_connect (G_OBJECT (filter), "rate-changed", + G_CALLBACK (on_rate_changed), NULL); + + conv = gst_element_factory_make ("audioconvert", NULL); + + sink = gst_element_factory_make ("autoaudiosink", NULL); + g_return_val_if_fail (sink != NULL, -1); + + gst_bin_add_many (GST_BIN (pipeline), src, filter, conv, sink, NULL); + if (!gst_element_link_many (src, filter, conv, sink, NULL)) { + g_error ("Failed to link elements"); + return -2; + } + + loop = g_main_loop_new (NULL, FALSE); + + bus = gst_pipeline_get_bus (GST_PIPELINE (pipeline)); + gst_bus_add_signal_watch (bus); + g_signal_connect (G_OBJECT (bus), "message", G_CALLBACK (on_message), loop); + gst_object_unref (GST_OBJECT (bus)); + + if (gst_element_set_state (pipeline, + GST_STATE_PLAYING) == GST_STATE_CHANGE_FAILURE) { + g_error ("Failed to go into PLAYING state"); + return -3; + } + + g_main_loop_run (loop); + + gst_element_set_state (pipeline, GST_STATE_NULL); + + g_main_loop_unref (loop); + gst_object_unref (pipeline); + + return 0; +} |