Add HAL sound device wrapper plugins. Closes #329106
Original commit message from CVS: * configure.ac: * 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.hierarchy: * ext/Makefile.am: * ext/hal/Makefile.am: * ext/hal/gsthalaudiosink.c: (gst_hal_audio_sink_base_init), (gst_hal_audio_sink_class_init), (gst_hal_audio_sink_reset), (gst_hal_audio_sink_init), (gst_hal_audio_sink_dispose), (do_toggle_element), (gst_hal_audio_sink_set_property), (gst_hal_audio_sink_get_property), (gst_hal_audio_sink_change_state): * ext/hal/gsthalaudiosink.h: * ext/hal/gsthalaudiosrc.c: (gst_hal_audio_src_base_init), (gst_hal_audio_src_class_init), (gst_hal_audio_src_reset), (gst_hal_audio_src_init), (gst_hal_audio_src_dispose), (do_toggle_element), (gst_hal_audio_src_set_property), (gst_hal_audio_src_get_property), (gst_hal_audio_src_change_state): * ext/hal/gsthalaudiosrc.h: * ext/hal/gsthalelements.c: (plugin_init): * ext/hal/gsthalelements.h: * ext/hal/hal.c: (gst_hal_get_string), (gst_hal_render_bin_from_udi), (gst_hal_get_audio_sink), (gst_hal_get_audio_src): * ext/hal/hal.h: Add HAL sound device wrapper plugins. Closes #329106
This commit is contained in:
Wim Taymans
parent
7531337e94
commit
5e5386b430
30
ChangeLog
30
ChangeLog
@ -1,3 +1,33 @@
|
|||||||
|
2006-02-15 Wim Taymans <wim@fluendo.com>
|
||||||
|
|
||||||
|
* configure.ac:
|
||||||
|
* 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.hierarchy:
|
||||||
|
* ext/Makefile.am:
|
||||||
|
* ext/hal/Makefile.am:
|
||||||
|
* ext/hal/gsthalaudiosink.c: (gst_hal_audio_sink_base_init),
|
||||||
|
(gst_hal_audio_sink_class_init), (gst_hal_audio_sink_reset),
|
||||||
|
(gst_hal_audio_sink_init), (gst_hal_audio_sink_dispose),
|
||||||
|
(do_toggle_element), (gst_hal_audio_sink_set_property),
|
||||||
|
(gst_hal_audio_sink_get_property),
|
||||||
|
(gst_hal_audio_sink_change_state):
|
||||||
|
* ext/hal/gsthalaudiosink.h:
|
||||||
|
* ext/hal/gsthalaudiosrc.c: (gst_hal_audio_src_base_init),
|
||||||
|
(gst_hal_audio_src_class_init), (gst_hal_audio_src_reset),
|
||||||
|
(gst_hal_audio_src_init), (gst_hal_audio_src_dispose),
|
||||||
|
(do_toggle_element), (gst_hal_audio_src_set_property),
|
||||||
|
(gst_hal_audio_src_get_property), (gst_hal_audio_src_change_state):
|
||||||
|
* ext/hal/gsthalaudiosrc.h:
|
||||||
|
* ext/hal/gsthalelements.c: (plugin_init):
|
||||||
|
* ext/hal/gsthalelements.h:
|
||||||
|
* ext/hal/hal.c: (gst_hal_get_string),
|
||||||
|
(gst_hal_render_bin_from_udi), (gst_hal_get_audio_sink),
|
||||||
|
(gst_hal_get_audio_src):
|
||||||
|
* ext/hal/hal.h:
|
||||||
|
Add HAL sound device wrapper plugins. Closes #329106
|
||||||
|
|
||||||
2006-02-15 Wim Taymans <wim@fluendo.com>
|
2006-02-15 Wim Taymans <wim@fluendo.com>
|
||||||
|
|
||||||
* gst/avi/gstavidemux.c: (gst_avi_demux_handle_src_event):
|
* gst/avi/gstavidemux.c: (gst_avi_demux_handle_src_event):
|
||||||
|
|||||||
@ -385,6 +385,14 @@ GST_CHECK_FEATURE(GCONF, [GConf libraries], , [
|
|||||||
AC_SUBST(GCONF_LIBS)
|
AC_SUBST(GCONF_LIBS)
|
||||||
])
|
])
|
||||||
|
|
||||||
|
dnl *** HAL ***
|
||||||
|
translit(dnm, m, l) AM_CONDITIONAL(USE_HAL, true)
|
||||||
|
GST_CHECK_FEATURE(HAL, [HAL libraries], , [
|
||||||
|
PKG_CHECK_MODULES(HAL, [hal >= 0.5.6, dbus-1 >= 0.32], HAVE_HAL="yes", HAVE_HAL="no")
|
||||||
|
AC_SUBST(HAL_CFLAGS)
|
||||||
|
AC_SUBST(HAL_LIBS)
|
||||||
|
])
|
||||||
|
|
||||||
dnl *** jpeg ***
|
dnl *** jpeg ***
|
||||||
dnl FIXME: we could use header checks here as well IMO
|
dnl FIXME: we could use header checks here as well IMO
|
||||||
translit(dnm, m, l) AM_CONDITIONAL(USE_JPEG, true)
|
translit(dnm, m, l) AM_CONDITIONAL(USE_JPEG, true)
|
||||||
@ -616,6 +624,7 @@ ext/dv/Makefile
|
|||||||
ext/esd/Makefile
|
ext/esd/Makefile
|
||||||
ext/flac/Makefile
|
ext/flac/Makefile
|
||||||
ext/gconf/Makefile
|
ext/gconf/Makefile
|
||||||
|
ext/hal/Makefile
|
||||||
ext/ladspa/Makefile
|
ext/ladspa/Makefile
|
||||||
ext/libcaca/Makefile
|
ext/libcaca/Makefile
|
||||||
ext/libpng/Makefile
|
ext/libpng/Makefile
|
||||||
|
|||||||
@ -83,6 +83,8 @@ EXTRA_HFILES = \
|
|||||||
$(top_srcdir)/ext/cairo/gsttimeoverlay.h \
|
$(top_srcdir)/ext/cairo/gsttimeoverlay.h \
|
||||||
$(top_srcdir)/ext/cdio/gstcdiocddasrc.h \
|
$(top_srcdir)/ext/cdio/gstcdiocddasrc.h \
|
||||||
$(top_srcdir)/ext/flac/gstflacdec.h \
|
$(top_srcdir)/ext/flac/gstflacdec.h \
|
||||||
|
$(top_srcdir)/ext/hal/gsthalaudiosink.h \
|
||||||
|
$(top_srcdir)/ext/hal/gsthalaudiosrc.h \
|
||||||
$(top_srcdir)/gst/multipart/multipartmux.c \
|
$(top_srcdir)/gst/multipart/multipartmux.c \
|
||||||
$(top_srcdir)/gst/multipart/multipartdemux.c \
|
$(top_srcdir)/gst/multipart/multipartdemux.c \
|
||||||
$(top_srcdir)/gst/udp/gstmultiudpsink.h \
|
$(top_srcdir)/gst/udp/gstmultiudpsink.h \
|
||||||
|
|||||||
@ -19,6 +19,8 @@
|
|||||||
<xi:include href="xml/element-cdiocddasrc.xml" />
|
<xi:include href="xml/element-cdiocddasrc.xml" />
|
||||||
<xi:include href="xml/element-flacdec.xml" />
|
<xi:include href="xml/element-flacdec.xml" />
|
||||||
<xi:include href="xml/element-goom.xml" />
|
<xi:include href="xml/element-goom.xml" />
|
||||||
|
<xi:include href="xml/element-halaudiosink.xml" />
|
||||||
|
<xi:include href="xml/element-halaudiosrc.xml" />
|
||||||
<xi:include href="xml/element-id3demux.xml" />
|
<xi:include href="xml/element-id3demux.xml" />
|
||||||
<xi:include href="xml/element-level.xml" />
|
<xi:include href="xml/element-level.xml" />
|
||||||
<xi:include href="xml/element-multiudpsink.xml" />
|
<xi:include href="xml/element-multiudpsink.xml" />
|
||||||
@ -51,6 +53,7 @@
|
|||||||
<xi:include href="xml/plugin-flxdec.xml" />
|
<xi:include href="xml/plugin-flxdec.xml" />
|
||||||
<xi:include href="xml/plugin-gconfelements.xml" />
|
<xi:include href="xml/plugin-gconfelements.xml" />
|
||||||
<xi:include href="xml/plugin-goom.xml" />
|
<xi:include href="xml/plugin-goom.xml" />
|
||||||
|
<xi:include href="xml/plugin-halelements.xml" />
|
||||||
<xi:include href="xml/plugin-id3demux.xml" />
|
<xi:include href="xml/plugin-id3demux.xml" />
|
||||||
<xi:include href="xml/plugin-jpeg.xml" />
|
<xi:include href="xml/plugin-jpeg.xml" />
|
||||||
<xi:include href="xml/plugin-level.xml" />
|
<xi:include href="xml/plugin-level.xml" />
|
||||||
|
|||||||
@ -54,6 +54,22 @@ GstGoom
|
|||||||
GstGoomClass
|
GstGoomClass
|
||||||
</SECTION>
|
</SECTION>
|
||||||
|
|
||||||
|
<SECTION>
|
||||||
|
<FILE>element-halaudiosink</FILE>
|
||||||
|
GstHalAudioSink
|
||||||
|
<TITLE>halaudiosink</TITLE>
|
||||||
|
<SUBSECTION Standard>
|
||||||
|
GstHalAudioSinkClass
|
||||||
|
</SECTION>
|
||||||
|
|
||||||
|
<SECTION>
|
||||||
|
<FILE>element-halaudiosrc</FILE>
|
||||||
|
GstHalAudioSrc
|
||||||
|
<TITLE>halaudiosrc</TITLE>
|
||||||
|
<SUBSECTION Standard>
|
||||||
|
GstHalAudioSrcClass
|
||||||
|
</SECTION>
|
||||||
|
|
||||||
<SECTION>
|
<SECTION>
|
||||||
<FILE>element-id3demux</FILE>
|
<FILE>element-id3demux</FILE>
|
||||||
GstID3Demux
|
GstID3Demux
|
||||||
|
|||||||
@ -12,6 +12,8 @@ GObject
|
|||||||
GstGConfAudioSink
|
GstGConfAudioSink
|
||||||
GstAutoVideoSink
|
GstAutoVideoSink
|
||||||
GstAutoAudioSink
|
GstAutoAudioSink
|
||||||
|
GstHalAudioSink
|
||||||
|
GstHalAudioSrc
|
||||||
GstSpeexEnc
|
GstSpeexEnc
|
||||||
GstSpeexDec
|
GstSpeexDec
|
||||||
GstBaseSink
|
GstBaseSink
|
||||||
|
|||||||
@ -40,6 +40,12 @@ endif
|
|||||||
GDK_PIXBUF_DIR =
|
GDK_PIXBUF_DIR =
|
||||||
# endif
|
# endif
|
||||||
|
|
||||||
|
if USE_HAL
|
||||||
|
HAL_DIR = hal
|
||||||
|
else
|
||||||
|
HAL_DIR =
|
||||||
|
endif
|
||||||
|
|
||||||
if USE_JPEG
|
if USE_JPEG
|
||||||
JPEG_DIR = jpeg
|
JPEG_DIR = jpeg
|
||||||
else
|
else
|
||||||
@ -109,6 +115,7 @@ SUBDIRS = \
|
|||||||
$(FLAC_DIR) \
|
$(FLAC_DIR) \
|
||||||
$(GCONF_DIR) \
|
$(GCONF_DIR) \
|
||||||
$(GDK_PIXBUF_DIR) \
|
$(GDK_PIXBUF_DIR) \
|
||||||
|
$(HAL_DIR) \
|
||||||
$(JPEG_DIR) \
|
$(JPEG_DIR) \
|
||||||
$(LADSPA_DIR) \
|
$(LADSPA_DIR) \
|
||||||
$(LIBCACA_DIR) \
|
$(LIBCACA_DIR) \
|
||||||
@ -127,6 +134,7 @@ DIST_SUBDIRS = \
|
|||||||
esd \
|
esd \
|
||||||
flac \
|
flac \
|
||||||
gconf \
|
gconf \
|
||||||
|
hal \
|
||||||
jpeg \
|
jpeg \
|
||||||
ladspa \
|
ladspa \
|
||||||
libcaca \
|
libcaca \
|
||||||
|
|||||||
17
ext/hal/Makefile.am
Normal file
17
ext/hal/Makefile.am
Normal file
@ -0,0 +1,17 @@
|
|||||||
|
plugin_LTLIBRARIES = libgsthalelements.la
|
||||||
|
|
||||||
|
libgsthalelements_la_SOURCES = \
|
||||||
|
gsthalaudiosink.c \
|
||||||
|
gsthalaudiosrc.c \
|
||||||
|
gsthalelements.c \
|
||||||
|
hal.c
|
||||||
|
|
||||||
|
libgsthalelements_la_CFLAGS = $(GST_CFLAGS) $(HAL_CFLAGS)
|
||||||
|
libgsthalelements_la_LIBADD = $(GST_LIBS) $(HAL_LIBS)
|
||||||
|
libgsthalelements_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
|
||||||
|
|
||||||
|
noinst_HEADERS = \
|
||||||
|
gsthalaudiosink.h \
|
||||||
|
gsthalaudiosrc.h \
|
||||||
|
gsthalelements.h \
|
||||||
|
hal.h
|
||||||
254
ext/hal/gsthalaudiosink.c
Normal file
254
ext/hal/gsthalaudiosink.c
Normal file
@ -0,0 +1,254 @@
|
|||||||
|
/* GStreamer
|
||||||
|
* (c) 2005 Ronald S. Bultje <rbultje@ronald.bitfreak.net>
|
||||||
|
* (c) 2006 Jürg Billeter <j@bitron.ch>
|
||||||
|
*
|
||||||
|
* 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-halaudiosink
|
||||||
|
*
|
||||||
|
* <refsect2>
|
||||||
|
* <para>
|
||||||
|
* HalAudioSink allows access to output of sound devices by specifying the
|
||||||
|
* corresponding persistent Unique Device Id (UDI) from the Hardware Abstraction
|
||||||
|
* Layer (HAL) in the <link linkend="GstHalAudioSrc--udi">udi</link> property.
|
||||||
|
* It currently always embeds alsasink as HAL doesn't support other sound
|
||||||
|
* systems yet.
|
||||||
|
* </para>
|
||||||
|
* <title>Examples</title>
|
||||||
|
* <para>
|
||||||
|
* To list the UDIs of all your ALSA output devices :
|
||||||
|
* <programlisting>
|
||||||
|
* hal-find-by-property --key alsa.type --string playback
|
||||||
|
* </programlisting>
|
||||||
|
* Here is a pipeline to test your sound output :
|
||||||
|
* <programlisting>
|
||||||
|
* gst-launch -v audiotestsrc ! halaudiosink udi=/org/freedesktop/Hal/devices/pci_8086_27d8_alsa_playback_0
|
||||||
|
* </programlisting>
|
||||||
|
* This pipeline produces a test signal on the specified sound device.
|
||||||
|
* </para>
|
||||||
|
* </refsect2>
|
||||||
|
*/
|
||||||
|
|
||||||
|
#ifdef HAVE_CONFIG_H
|
||||||
|
#include "config.h"
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#include "gsthalelements.h"
|
||||||
|
#include "gsthalaudiosink.h"
|
||||||
|
|
||||||
|
static void gst_hal_audio_sink_dispose (GObject * object);
|
||||||
|
static GstStateChangeReturn
|
||||||
|
gst_hal_audio_sink_change_state (GstElement * element,
|
||||||
|
GstStateChange transition);
|
||||||
|
|
||||||
|
enum
|
||||||
|
{
|
||||||
|
PROP_0,
|
||||||
|
PROP_UDI
|
||||||
|
};
|
||||||
|
|
||||||
|
GST_BOILERPLATE (GstHalAudioSink, gst_hal_audio_sink, GstBin, GST_TYPE_BIN);
|
||||||
|
|
||||||
|
static void gst_hal_audio_sink_set_property (GObject * object, guint prop_id,
|
||||||
|
const GValue * value, GParamSpec * pspec);
|
||||||
|
static void gst_hal_audio_sink_get_property (GObject * object, guint prop_id,
|
||||||
|
GValue * value, GParamSpec * pspec);
|
||||||
|
|
||||||
|
static void
|
||||||
|
gst_hal_audio_sink_base_init (gpointer klass)
|
||||||
|
{
|
||||||
|
GstElementClass *eklass = GST_ELEMENT_CLASS (klass);
|
||||||
|
GstElementDetails gst_hal_audio_sink_details = {
|
||||||
|
"HAL audio sink",
|
||||||
|
"Sink/Audio",
|
||||||
|
"Audio sink for sound device access via HAL",
|
||||||
|
"Jürg Billeter <j@bitron.ch>"
|
||||||
|
};
|
||||||
|
GstStaticPadTemplate sink_template = GST_STATIC_PAD_TEMPLATE ("sink",
|
||||||
|
GST_PAD_SINK,
|
||||||
|
GST_PAD_ALWAYS,
|
||||||
|
GST_STATIC_CAPS_ANY);
|
||||||
|
|
||||||
|
gst_element_class_add_pad_template (eklass,
|
||||||
|
gst_static_pad_template_get (&sink_template));
|
||||||
|
gst_element_class_set_details (eklass, &gst_hal_audio_sink_details);
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
gst_hal_audio_sink_class_init (GstHalAudioSinkClass * klass)
|
||||||
|
{
|
||||||
|
GObjectClass *oklass = G_OBJECT_CLASS (klass);
|
||||||
|
GstElementClass *eklass = GST_ELEMENT_CLASS (klass);
|
||||||
|
|
||||||
|
oklass->set_property = gst_hal_audio_sink_set_property;
|
||||||
|
oklass->get_property = gst_hal_audio_sink_get_property;
|
||||||
|
oklass->dispose = gst_hal_audio_sink_dispose;
|
||||||
|
eklass->change_state = gst_hal_audio_sink_change_state;
|
||||||
|
|
||||||
|
g_object_class_install_property (oklass, PROP_UDI,
|
||||||
|
g_param_spec_string ("udi",
|
||||||
|
"UDI", "Unique Device Id", NULL, G_PARAM_READWRITE));
|
||||||
|
}
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Hack to make negotiation work.
|
||||||
|
*/
|
||||||
|
|
||||||
|
static void
|
||||||
|
gst_hal_audio_sink_reset (GstHalAudioSink * sink)
|
||||||
|
{
|
||||||
|
GstPad *targetpad;
|
||||||
|
|
||||||
|
/* fakesink */
|
||||||
|
if (sink->kid) {
|
||||||
|
gst_element_set_state (sink->kid, GST_STATE_NULL);
|
||||||
|
gst_bin_remove (GST_BIN (sink), sink->kid);
|
||||||
|
}
|
||||||
|
sink->kid = gst_element_factory_make ("fakesink", "testsink");
|
||||||
|
gst_bin_add (GST_BIN (sink), sink->kid);
|
||||||
|
|
||||||
|
targetpad = gst_element_get_pad (sink->kid, "sink");
|
||||||
|
gst_ghost_pad_set_target (GST_GHOST_PAD (sink->pad), targetpad);
|
||||||
|
gst_object_unref (targetpad);
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
gst_hal_audio_sink_init (GstHalAudioSink * sink, GstHalAudioSinkClass * g_class)
|
||||||
|
{
|
||||||
|
sink->pad = gst_ghost_pad_new_no_target ("sink", GST_PAD_SINK);
|
||||||
|
gst_element_add_pad (GST_ELEMENT (sink), sink->pad);
|
||||||
|
|
||||||
|
gst_hal_audio_sink_reset (sink);
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
gst_hal_audio_sink_dispose (GObject * object)
|
||||||
|
{
|
||||||
|
GstHalAudioSink *sink = GST_HAL_AUDIO_SINK (object);
|
||||||
|
|
||||||
|
if (sink->udi) {
|
||||||
|
g_free (sink->udi);
|
||||||
|
sink->udi = NULL;
|
||||||
|
}
|
||||||
|
|
||||||
|
GST_CALL_PARENT (G_OBJECT_CLASS, dispose, (object));
|
||||||
|
}
|
||||||
|
|
||||||
|
static gboolean
|
||||||
|
do_toggle_element (GstHalAudioSink * sink)
|
||||||
|
{
|
||||||
|
GstPad *targetpad;
|
||||||
|
|
||||||
|
/* kill old element */
|
||||||
|
if (sink->kid) {
|
||||||
|
GST_DEBUG_OBJECT (sink, "Removing old kid");
|
||||||
|
gst_element_set_state (sink->kid, GST_STATE_NULL);
|
||||||
|
gst_bin_remove (GST_BIN (sink), sink->kid);
|
||||||
|
sink->kid = NULL;
|
||||||
|
}
|
||||||
|
|
||||||
|
GST_DEBUG_OBJECT (sink, "Creating new kid");
|
||||||
|
if (!(sink->kid = gst_hal_get_audio_sink (sink->udi))) {
|
||||||
|
GST_ELEMENT_ERROR (sink, LIBRARY, SETTINGS, (NULL),
|
||||||
|
("Failed to render audio sink from Hal"));
|
||||||
|
return FALSE;
|
||||||
|
}
|
||||||
|
gst_element_set_state (sink->kid, GST_STATE (sink));
|
||||||
|
gst_bin_add (GST_BIN (sink), sink->kid);
|
||||||
|
|
||||||
|
/* re-attach ghostpad */
|
||||||
|
GST_DEBUG_OBJECT (sink, "Creating new ghostpad");
|
||||||
|
targetpad = gst_element_get_pad (sink->kid, "sink");
|
||||||
|
gst_ghost_pad_set_target (GST_GHOST_PAD (sink->pad), targetpad);
|
||||||
|
gst_object_unref (targetpad);
|
||||||
|
GST_DEBUG_OBJECT (sink, "done changing hal audio sink");
|
||||||
|
|
||||||
|
return TRUE;
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
gst_hal_audio_sink_set_property (GObject * object, guint prop_id,
|
||||||
|
const GValue * value, GParamSpec * pspec)
|
||||||
|
{
|
||||||
|
GstHalAudioSink *this = GST_HAL_AUDIO_SINK (object);
|
||||||
|
|
||||||
|
GST_OBJECT_LOCK (this);
|
||||||
|
|
||||||
|
switch (prop_id) {
|
||||||
|
case PROP_UDI:
|
||||||
|
if (this->udi)
|
||||||
|
g_free (this->udi);
|
||||||
|
this->udi = g_value_dup_string (value);
|
||||||
|
break;
|
||||||
|
default:
|
||||||
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
|
||||||
|
GST_OBJECT_UNLOCK (this);
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
gst_hal_audio_sink_get_property (GObject * object, guint prop_id,
|
||||||
|
GValue * value, GParamSpec * pspec)
|
||||||
|
{
|
||||||
|
GstHalAudioSink *this = GST_HAL_AUDIO_SINK (object);
|
||||||
|
|
||||||
|
GST_OBJECT_LOCK (this);
|
||||||
|
|
||||||
|
switch (prop_id) {
|
||||||
|
case PROP_UDI:
|
||||||
|
g_value_set_string (value, this->udi);
|
||||||
|
break;
|
||||||
|
default:
|
||||||
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
|
||||||
|
GST_OBJECT_UNLOCK (this);
|
||||||
|
}
|
||||||
|
|
||||||
|
static GstStateChangeReturn
|
||||||
|
gst_hal_audio_sink_change_state (GstElement * element,
|
||||||
|
GstStateChange transition)
|
||||||
|
{
|
||||||
|
GstStateChangeReturn ret = GST_STATE_CHANGE_SUCCESS;
|
||||||
|
GstHalAudioSink *sink = GST_HAL_AUDIO_SINK (element);
|
||||||
|
|
||||||
|
switch (transition) {
|
||||||
|
case GST_STATE_CHANGE_NULL_TO_READY:
|
||||||
|
if (!do_toggle_element (sink))
|
||||||
|
return GST_STATE_CHANGE_FAILURE;
|
||||||
|
break;
|
||||||
|
default:
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
|
||||||
|
ret = GST_CALL_PARENT_WITH_DEFAULT (GST_ELEMENT_CLASS, change_state,
|
||||||
|
(element, transition), GST_STATE_CHANGE_SUCCESS);
|
||||||
|
|
||||||
|
switch (transition) {
|
||||||
|
case GST_STATE_CHANGE_READY_TO_NULL:
|
||||||
|
gst_hal_audio_sink_reset (sink);
|
||||||
|
break;
|
||||||
|
default:
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
|
||||||
|
return ret;
|
||||||
|
}
|
||||||
58
ext/hal/gsthalaudiosink.h
Normal file
58
ext/hal/gsthalaudiosink.h
Normal file
@ -0,0 +1,58 @@
|
|||||||
|
/* GStreamer
|
||||||
|
* (c) 2005 Ronald S. Bultje <rbultje@ronald.bitfreak.net>
|
||||||
|
* (c) 2006 Jürg Billeter <j@bitron.ch>
|
||||||
|
*
|
||||||
|
* 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_HAL_AUDIO_SINK_H__
|
||||||
|
#define __GST_HAL_AUDIO_SINK_H__
|
||||||
|
|
||||||
|
#include <gst/gst.h>
|
||||||
|
|
||||||
|
G_BEGIN_DECLS
|
||||||
|
|
||||||
|
#define GST_TYPE_HAL_AUDIO_SINK \
|
||||||
|
(gst_hal_audio_sink_get_type ())
|
||||||
|
#define GST_HAL_AUDIO_SINK(obj) \
|
||||||
|
(G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_HAL_AUDIO_SINK, \
|
||||||
|
GstHalAudioSink))
|
||||||
|
#define GST_HAL_AUDIO_SINK_CLASS(klass) \
|
||||||
|
(G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_HAL_AUDIO_SINK, \
|
||||||
|
GstHalAudioSink))
|
||||||
|
#define GST_IS_HAL_AUDIO_SINK(obj) \
|
||||||
|
(G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_HAL_AUDIO_SINK))
|
||||||
|
#define GST_IS_HAL_AUDIO_SINK_CLASS(obj) \
|
||||||
|
(G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_HAL_AUDIO_SINK))
|
||||||
|
|
||||||
|
typedef struct _GstHalAudioSink {
|
||||||
|
GstBin parent;
|
||||||
|
|
||||||
|
/* explicit pointers to stuff used */
|
||||||
|
gchar *udi;
|
||||||
|
GstElement *kid;
|
||||||
|
GstPad *pad;
|
||||||
|
} GstHalAudioSink;
|
||||||
|
|
||||||
|
typedef struct _GstHalAudioSinkClass {
|
||||||
|
GstBinClass parent_class;
|
||||||
|
} GstHalAudioSinkClass;
|
||||||
|
|
||||||
|
GType gst_hal_audio_sink_get_type (void);
|
||||||
|
|
||||||
|
G_END_DECLS
|
||||||
|
|
||||||
|
#endif /* __GST_HAL_AUDIO_SINK_H__ */
|
||||||
255
ext/hal/gsthalaudiosrc.c
Normal file
255
ext/hal/gsthalaudiosrc.c
Normal file
@ -0,0 +1,255 @@
|
|||||||
|
/* GStreamer
|
||||||
|
* (c) 2005 Ronald S. Bultje <rbultje@ronald.bitfreak.net>
|
||||||
|
* (c) 2005 Tim-Philipp Müller <tim centricular net>
|
||||||
|
* (c) 2006 Jürg Billeter <j@bitron.ch>
|
||||||
|
*
|
||||||
|
* 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-halaudiosrc
|
||||||
|
*
|
||||||
|
* <refsect2>
|
||||||
|
* <para>
|
||||||
|
* HalAudioSrc allows access to input of sound devices by specifying the
|
||||||
|
* corresponding persistent Unique Device Id (UDI) from the Hardware Abstraction
|
||||||
|
* Layer (HAL) in the <link linkend="GstHalAudioSrc--udi">udi</link> property.
|
||||||
|
* It currently always embeds alsasrc as HAL doesn't support other sound systems
|
||||||
|
* yet.
|
||||||
|
* </para>
|
||||||
|
* <title>Examples</title>
|
||||||
|
* <para>
|
||||||
|
* To list the UDIs of all your ALSA input devices :
|
||||||
|
* <programlisting>
|
||||||
|
* hal-find-by-property --key alsa.type --string capture
|
||||||
|
* </programlisting>
|
||||||
|
* Here is a pipeline to test your sound input :
|
||||||
|
* <programlisting>
|
||||||
|
* gst-launch -v halaudiosrc udi=/org/freedesktop/Hal/devices/pci_8086_27d8_alsa_capture_0 ! autoaudiosink
|
||||||
|
* </programlisting>
|
||||||
|
* You should now hear yourself with a small delay if you have a microphone
|
||||||
|
* connected to the specified sound device.
|
||||||
|
* </para>
|
||||||
|
* </refsect2>
|
||||||
|
*/
|
||||||
|
|
||||||
|
#ifdef HAVE_CONFIG_H
|
||||||
|
#include "config.h"
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#include "gsthalelements.h"
|
||||||
|
#include "gsthalaudiosrc.h"
|
||||||
|
|
||||||
|
static void gst_hal_audio_src_dispose (GObject * object);
|
||||||
|
static GstStateChangeReturn
|
||||||
|
gst_hal_audio_src_change_state (GstElement * element,
|
||||||
|
GstStateChange transition);
|
||||||
|
|
||||||
|
enum
|
||||||
|
{
|
||||||
|
PROP_0,
|
||||||
|
PROP_UDI
|
||||||
|
};
|
||||||
|
|
||||||
|
GST_BOILERPLATE (GstHalAudioSrc, gst_hal_audio_src, GstBin, GST_TYPE_BIN);
|
||||||
|
|
||||||
|
static void gst_hal_audio_src_set_property (GObject * object, guint prop_id,
|
||||||
|
const GValue * value, GParamSpec * pspec);
|
||||||
|
static void gst_hal_audio_src_get_property (GObject * object, guint prop_id,
|
||||||
|
GValue * value, GParamSpec * pspec);
|
||||||
|
|
||||||
|
static void
|
||||||
|
gst_hal_audio_src_base_init (gpointer klass)
|
||||||
|
{
|
||||||
|
GstElementClass *eklass = GST_ELEMENT_CLASS (klass);
|
||||||
|
GstElementDetails gst_hal_audio_src_details = {
|
||||||
|
"HAL audio source",
|
||||||
|
"Source/Audio",
|
||||||
|
"Audio source for sound device access via HAL",
|
||||||
|
"Jürg Billeter <j@bitron.ch>"
|
||||||
|
};
|
||||||
|
GstStaticPadTemplate src_template = GST_STATIC_PAD_TEMPLATE ("src",
|
||||||
|
GST_PAD_SRC,
|
||||||
|
GST_PAD_ALWAYS,
|
||||||
|
GST_STATIC_CAPS_ANY);
|
||||||
|
|
||||||
|
gst_element_class_add_pad_template (eklass,
|
||||||
|
gst_static_pad_template_get (&src_template));
|
||||||
|
gst_element_class_set_details (eklass, &gst_hal_audio_src_details);
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
gst_hal_audio_src_class_init (GstHalAudioSrcClass * klass)
|
||||||
|
{
|
||||||
|
GObjectClass *oklass = G_OBJECT_CLASS (klass);
|
||||||
|
GstElementClass *eklass = GST_ELEMENT_CLASS (klass);
|
||||||
|
|
||||||
|
oklass->set_property = gst_hal_audio_src_set_property;
|
||||||
|
oklass->get_property = gst_hal_audio_src_get_property;
|
||||||
|
oklass->dispose = gst_hal_audio_src_dispose;
|
||||||
|
eklass->change_state = gst_hal_audio_src_change_state;
|
||||||
|
|
||||||
|
g_object_class_install_property (oklass, PROP_UDI,
|
||||||
|
g_param_spec_string ("udi",
|
||||||
|
"UDI", "Unique Device Id", NULL, G_PARAM_READWRITE));
|
||||||
|
}
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Hack to make negotiation work.
|
||||||
|
*/
|
||||||
|
|
||||||
|
static void
|
||||||
|
gst_hal_audio_src_reset (GstHalAudioSrc * src)
|
||||||
|
{
|
||||||
|
GstPad *targetpad;
|
||||||
|
|
||||||
|
/* fakesrc */
|
||||||
|
if (src->kid) {
|
||||||
|
gst_element_set_state (src->kid, GST_STATE_NULL);
|
||||||
|
gst_bin_remove (GST_BIN (src), src->kid);
|
||||||
|
}
|
||||||
|
src->kid = gst_element_factory_make ("fakesrc", "testsrc");
|
||||||
|
gst_bin_add (GST_BIN (src), src->kid);
|
||||||
|
|
||||||
|
targetpad = gst_element_get_pad (src->kid, "src");
|
||||||
|
gst_ghost_pad_set_target (GST_GHOST_PAD (src->pad), targetpad);
|
||||||
|
gst_object_unref (targetpad);
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
gst_hal_audio_src_init (GstHalAudioSrc * src, GstHalAudioSrcClass * g_class)
|
||||||
|
{
|
||||||
|
src->pad = gst_ghost_pad_new_no_target ("src", GST_PAD_SRC);
|
||||||
|
gst_element_add_pad (GST_ELEMENT (src), src->pad);
|
||||||
|
|
||||||
|
gst_hal_audio_src_reset (src);
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
gst_hal_audio_src_dispose (GObject * object)
|
||||||
|
{
|
||||||
|
GstHalAudioSrc *src = GST_HAL_AUDIO_SRC (object);
|
||||||
|
|
||||||
|
if (src->udi) {
|
||||||
|
g_free (src->udi);
|
||||||
|
src->udi = NULL;
|
||||||
|
}
|
||||||
|
|
||||||
|
GST_CALL_PARENT (G_OBJECT_CLASS, dispose, (object));
|
||||||
|
}
|
||||||
|
|
||||||
|
static gboolean
|
||||||
|
do_toggle_element (GstHalAudioSrc * src)
|
||||||
|
{
|
||||||
|
GstPad *targetpad;
|
||||||
|
|
||||||
|
/* kill old element */
|
||||||
|
if (src->kid) {
|
||||||
|
GST_DEBUG_OBJECT (src, "Removing old kid");
|
||||||
|
gst_element_set_state (src->kid, GST_STATE_NULL);
|
||||||
|
gst_bin_remove (GST_BIN (src), src->kid);
|
||||||
|
src->kid = NULL;
|
||||||
|
}
|
||||||
|
|
||||||
|
GST_DEBUG_OBJECT (src, "Creating new kid");
|
||||||
|
if (!(src->kid = gst_hal_get_audio_src (src->udi))) {
|
||||||
|
GST_ELEMENT_ERROR (src, LIBRARY, SETTINGS, (NULL),
|
||||||
|
("Failed to render audio source from Hal"));
|
||||||
|
return FALSE;
|
||||||
|
}
|
||||||
|
gst_element_set_state (src->kid, GST_STATE (src));
|
||||||
|
gst_bin_add (GST_BIN (src), src->kid);
|
||||||
|
|
||||||
|
/* re-attach ghostpad */
|
||||||
|
GST_DEBUG_OBJECT (src, "Creating new ghostpad");
|
||||||
|
targetpad = gst_element_get_pad (src->kid, "src");
|
||||||
|
gst_ghost_pad_set_target (GST_GHOST_PAD (src->pad), targetpad);
|
||||||
|
gst_object_unref (targetpad);
|
||||||
|
GST_DEBUG_OBJECT (src, "done changing hal audio source");
|
||||||
|
|
||||||
|
return TRUE;
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
gst_hal_audio_src_set_property (GObject * object, guint prop_id,
|
||||||
|
const GValue * value, GParamSpec * pspec)
|
||||||
|
{
|
||||||
|
GstHalAudioSrc *this = GST_HAL_AUDIO_SRC (object);
|
||||||
|
|
||||||
|
GST_OBJECT_LOCK (this);
|
||||||
|
|
||||||
|
switch (prop_id) {
|
||||||
|
case PROP_UDI:
|
||||||
|
if (this->udi)
|
||||||
|
g_free (this->udi);
|
||||||
|
this->udi = g_value_dup_string (value);
|
||||||
|
break;
|
||||||
|
default:
|
||||||
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
|
||||||
|
GST_OBJECT_UNLOCK (this);
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
gst_hal_audio_src_get_property (GObject * object, guint prop_id,
|
||||||
|
GValue * value, GParamSpec * pspec)
|
||||||
|
{
|
||||||
|
GstHalAudioSrc *this = GST_HAL_AUDIO_SRC (object);
|
||||||
|
|
||||||
|
GST_OBJECT_LOCK (this);
|
||||||
|
|
||||||
|
switch (prop_id) {
|
||||||
|
case PROP_UDI:
|
||||||
|
g_value_set_string (value, this->udi);
|
||||||
|
break;
|
||||||
|
default:
|
||||||
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
|
||||||
|
GST_OBJECT_UNLOCK (this);
|
||||||
|
}
|
||||||
|
|
||||||
|
static GstStateChangeReturn
|
||||||
|
gst_hal_audio_src_change_state (GstElement * element, GstStateChange transition)
|
||||||
|
{
|
||||||
|
GstStateChangeReturn ret = GST_STATE_CHANGE_SUCCESS;
|
||||||
|
GstHalAudioSrc *src = GST_HAL_AUDIO_SRC (element);
|
||||||
|
|
||||||
|
switch (transition) {
|
||||||
|
case GST_STATE_CHANGE_NULL_TO_READY:
|
||||||
|
if (!do_toggle_element (src))
|
||||||
|
return GST_STATE_CHANGE_FAILURE;
|
||||||
|
break;
|
||||||
|
default:
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
|
||||||
|
ret = GST_CALL_PARENT_WITH_DEFAULT (GST_ELEMENT_CLASS, change_state,
|
||||||
|
(element, transition), GST_STATE_CHANGE_SUCCESS);
|
||||||
|
|
||||||
|
switch (transition) {
|
||||||
|
case GST_STATE_CHANGE_READY_TO_NULL:
|
||||||
|
gst_hal_audio_src_reset (src);
|
||||||
|
break;
|
||||||
|
default:
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
|
||||||
|
return ret;
|
||||||
|
}
|
||||||
52
ext/hal/gsthalaudiosrc.h
Normal file
52
ext/hal/gsthalaudiosrc.h
Normal file
@ -0,0 +1,52 @@
|
|||||||
|
/* GStreamer
|
||||||
|
* (c) 2005 Ronald S. Bultje <rbultje@ronald.bitfreak.net>
|
||||||
|
* (c) 2005 Tim-Philipp Müller <tim centricular net>
|
||||||
|
* (c) 2006 Jürg Billeter <j@bitron.ch>
|
||||||
|
*
|
||||||
|
* 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_HAL_AUDIO_SRC_H__
|
||||||
|
#define __GST_HAL_AUDIO_SRC_H__
|
||||||
|
|
||||||
|
#include <gst/gst.h>
|
||||||
|
|
||||||
|
G_BEGIN_DECLS
|
||||||
|
|
||||||
|
#define GST_TYPE_HAL_AUDIO_SRC (gst_hal_audio_src_get_type ())
|
||||||
|
#define GST_HAL_AUDIO_SRC(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_HAL_AUDIO_SRC, GstHalAudioSrc))
|
||||||
|
#define GST_HAL_AUDIO_SRC_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_HAL_AUDIO_SRC, GstHalAudioSrc))
|
||||||
|
#define GST_IS_HAL_AUDIO_SRC(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_HAL_AUDIO_SRC))
|
||||||
|
#define GST_IS_HAL_AUDIO_SRC_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_HAL_AUDIO_SRC))
|
||||||
|
|
||||||
|
typedef struct _GstHalAudioSrc {
|
||||||
|
GstBin parent;
|
||||||
|
|
||||||
|
/* explicit pointers to stuff used */
|
||||||
|
gchar *udi;
|
||||||
|
GstElement *kid;
|
||||||
|
GstPad *pad;
|
||||||
|
} GstHalAudioSrc;
|
||||||
|
|
||||||
|
typedef struct _GstHalAudioSrcClass {
|
||||||
|
GstBinClass parent_class;
|
||||||
|
} GstHalAudioSrcClass;
|
||||||
|
|
||||||
|
GType gst_hal_audio_src_get_type (void);
|
||||||
|
|
||||||
|
G_END_DECLS
|
||||||
|
|
||||||
|
#endif /* __GST_HAL_AUDIO_SRC_H__ */
|
||||||
54
ext/hal/gsthalelements.c
Normal file
54
ext/hal/gsthalelements.c
Normal file
@ -0,0 +1,54 @@
|
|||||||
|
/* GStreamer
|
||||||
|
* (c) 2005 Ronald S. Bultje <rbultje@ronald.bitfreak.net>
|
||||||
|
* (c) 2006 Jürg Billeter <j@bitron.ch>
|
||||||
|
*
|
||||||
|
* 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.
|
||||||
|
*/
|
||||||
|
|
||||||
|
#ifdef HAVE_CONFIG_H
|
||||||
|
#include "config.h"
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#include <gst/gst.h>
|
||||||
|
|
||||||
|
#include "gsthalelements.h"
|
||||||
|
|
||||||
|
#include "gsthalaudiosink.h"
|
||||||
|
#include "gsthalaudiosrc.h"
|
||||||
|
|
||||||
|
GST_DEBUG_CATEGORY (hal_debug);
|
||||||
|
|
||||||
|
static gboolean
|
||||||
|
plugin_init (GstPlugin * plugin)
|
||||||
|
{
|
||||||
|
GST_DEBUG_CATEGORY_INIT (hal_debug, "hal", 0,
|
||||||
|
"HAL/GStreamer audio input/output wrapper elements");
|
||||||
|
|
||||||
|
if (!gst_element_register (plugin, "halaudiosink",
|
||||||
|
GST_RANK_NONE, GST_TYPE_HAL_AUDIO_SINK) ||
|
||||||
|
!gst_element_register (plugin, "halaudiosrc",
|
||||||
|
GST_RANK_NONE, GST_TYPE_HAL_AUDIO_SRC)) {
|
||||||
|
return FALSE;
|
||||||
|
}
|
||||||
|
|
||||||
|
return TRUE;
|
||||||
|
}
|
||||||
|
|
||||||
|
GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
|
||||||
|
GST_VERSION_MINOR,
|
||||||
|
"halelements",
|
||||||
|
"elements wrapping the GStreamer/HAL audio input/output devices",
|
||||||
|
plugin_init, VERSION, GST_LICENSE, GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN)
|
||||||
29
ext/hal/gsthalelements.h
Normal file
29
ext/hal/gsthalelements.h
Normal file
@ -0,0 +1,29 @@
|
|||||||
|
/* GStreamer
|
||||||
|
* (c) 2005 Ronald S. Bultje <rbultje@ronald.bitfreak.net>
|
||||||
|
* (c) 2006 Ronald S. Bultje <rbultje@ronald.bitfreak.net>
|
||||||
|
*
|
||||||
|
* This library is free software; you can redistribute it and/or
|
||||||
|
* modify it under the terms of the GNU Library General Public
|
||||||
|
* License as published by the Free Software Foundation; either
|
||||||
|
* version 2 of the License, or (at your option) any later version.
|
||||||
|
*
|
||||||
|
* This library is distributed in the hope that it will be useful,
|
||||||
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||||
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||||
|
* Library General Public License for more details.
|
||||||
|
*
|
||||||
|
* You should have received a copy of the GNU Library General Public
|
||||||
|
* License along with this library; if not, write to the
|
||||||
|
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
||||||
|
* Boston, MA 02111-1307, USA.
|
||||||
|
*/
|
||||||
|
|
||||||
|
#ifndef __GST_HAL_ELEMENTS_H__
|
||||||
|
#define __GST_HAL_ELEMENTS_H__
|
||||||
|
|
||||||
|
#include <hal.h>
|
||||||
|
|
||||||
|
GST_DEBUG_CATEGORY_EXTERN (hal_debug);
|
||||||
|
#define GST_CAT_DEFAULT hal_debug
|
||||||
|
|
||||||
|
#endif /* __GST_HAL_ELEMENTS_H__ */
|
||||||
168
ext/hal/hal.c
Normal file
168
ext/hal/hal.c
Normal file
@ -0,0 +1,168 @@
|
|||||||
|
/* GStreamer
|
||||||
|
* Copyright (C) <2002> Thomas Vander Stichele <thomas@apestaart.org>
|
||||||
|
* Copyright (C) <2006> Jürg Billeter <j@bitron.ch>
|
||||||
|
*
|
||||||
|
* 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 library handles interaction with Hal
|
||||||
|
*/
|
||||||
|
|
||||||
|
#ifdef HAVE_CONFIG_H
|
||||||
|
#include "config.h"
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#include <string.h>
|
||||||
|
#include <glib.h>
|
||||||
|
#include "hal.h"
|
||||||
|
|
||||||
|
|
||||||
|
/* external functions */
|
||||||
|
|
||||||
|
/**
|
||||||
|
* gst_hal_get_string:
|
||||||
|
* @key: a #gchar corresponding to the key you want to get.
|
||||||
|
*
|
||||||
|
* Get Hal UDI @udi's string value.
|
||||||
|
*
|
||||||
|
* Returns: a newly allocated #gchar string containing the appropriate pipeline
|
||||||
|
* for UDI @udi, or NULL in the case of an error..
|
||||||
|
*/
|
||||||
|
gchar *
|
||||||
|
gst_hal_get_string (const gchar * udi)
|
||||||
|
{
|
||||||
|
DBusConnection *connection;
|
||||||
|
DBusError error;
|
||||||
|
LibHalContext *ctx;
|
||||||
|
char *type, *string;
|
||||||
|
char *element;
|
||||||
|
int card, device;
|
||||||
|
|
||||||
|
dbus_error_init (&error);
|
||||||
|
|
||||||
|
connection = dbus_bus_get (DBUS_BUS_SYSTEM, &error);
|
||||||
|
g_return_val_if_fail (connection != NULL, NULL);
|
||||||
|
|
||||||
|
ctx = libhal_ctx_new ();
|
||||||
|
g_return_val_if_fail (ctx != NULL, NULL);
|
||||||
|
|
||||||
|
libhal_ctx_set_dbus_connection (ctx, connection);
|
||||||
|
libhal_ctx_init (ctx, &error);
|
||||||
|
|
||||||
|
string = NULL;
|
||||||
|
|
||||||
|
if (libhal_device_query_capability (ctx, udi, "alsa", &error)) {
|
||||||
|
type = libhal_device_get_property_string (ctx, udi, "alsa.type", &error);
|
||||||
|
if (strcmp (type, "playback") == 0) {
|
||||||
|
element = "alsasink";
|
||||||
|
} else if (strcmp (type, "capture") == 0) {
|
||||||
|
element = "alsasrc";
|
||||||
|
} else {
|
||||||
|
element = NULL;
|
||||||
|
}
|
||||||
|
card = libhal_device_get_property_int (ctx, udi, "alsa.card", &error);
|
||||||
|
device = libhal_device_get_property_int (ctx, udi, "alsa.device", &error);
|
||||||
|
if (device == 0) {
|
||||||
|
/* handle default device specially to use
|
||||||
|
* dmix, dsnoop, and softvol if appropriate */
|
||||||
|
string = g_strdup_printf ("%s device=default:%d", element, card);
|
||||||
|
} else {
|
||||||
|
string =
|
||||||
|
g_strdup_printf ("%s device=plughw:%d,%d", element, card, device);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
libhal_ctx_shutdown (ctx, &error);
|
||||||
|
libhal_ctx_free (ctx);
|
||||||
|
|
||||||
|
dbus_error_free (&error);
|
||||||
|
|
||||||
|
return string;
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* gst_hal_render_bin_from_udi:
|
||||||
|
* @key: a #gchar string corresponding to a Hal UDI.
|
||||||
|
*
|
||||||
|
* Render bin from Hal UDI @udi.
|
||||||
|
*
|
||||||
|
* Returns: a #GstElement containing the rendered bin.
|
||||||
|
*/
|
||||||
|
GstElement *
|
||||||
|
gst_hal_render_bin_from_udi (const gchar * udi)
|
||||||
|
{
|
||||||
|
GstElement *bin = NULL;
|
||||||
|
gchar *value;
|
||||||
|
|
||||||
|
value = gst_hal_get_string (udi);
|
||||||
|
if (value)
|
||||||
|
bin = gst_parse_bin_from_description (value, TRUE, NULL);
|
||||||
|
g_free (value);
|
||||||
|
return bin;
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* gst_hal_get_audio_sink:
|
||||||
|
*
|
||||||
|
* Render audio output bin from GStreamer Hal UDI.
|
||||||
|
* If no device with the specified UDI exists, the default audio sink for the
|
||||||
|
* platform is used (typically osssink or sunaudiosink).
|
||||||
|
*
|
||||||
|
* Returns: a #GstElement containing the audio output bin, or NULL if
|
||||||
|
* everything failed.
|
||||||
|
*/
|
||||||
|
GstElement *
|
||||||
|
gst_hal_get_audio_sink (const gchar * udi)
|
||||||
|
{
|
||||||
|
GstElement *ret = gst_hal_render_bin_from_udi (udi);
|
||||||
|
|
||||||
|
if (!ret) {
|
||||||
|
ret = gst_element_factory_make (DEFAULT_AUDIOSINK, NULL);
|
||||||
|
|
||||||
|
if (!ret)
|
||||||
|
g_warning ("No Hal default audio sink key and %s doesn't work",
|
||||||
|
DEFAULT_AUDIOSINK);
|
||||||
|
}
|
||||||
|
|
||||||
|
return ret;
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* gst_hal_get_audio_src:
|
||||||
|
*
|
||||||
|
* Render audio acquisition bin from GStreamer Hal UDI.
|
||||||
|
* If no device with the specified UDI exists, the default audio source for the
|
||||||
|
* plaform is used (typically osssrc or sunaudiosrc).
|
||||||
|
*
|
||||||
|
* Returns: a #GstElement containing the audio source bin, or NULL if
|
||||||
|
* everything failed.
|
||||||
|
*/
|
||||||
|
GstElement *
|
||||||
|
gst_hal_get_audio_src (const gchar * udi)
|
||||||
|
{
|
||||||
|
GstElement *ret = gst_hal_render_bin_from_udi (udi);
|
||||||
|
|
||||||
|
if (!ret) {
|
||||||
|
ret = gst_element_factory_make (DEFAULT_AUDIOSRC, NULL);
|
||||||
|
|
||||||
|
if (!ret)
|
||||||
|
g_warning ("No Hal default audio src key and %s doesn't work",
|
||||||
|
DEFAULT_AUDIOSRC);
|
||||||
|
}
|
||||||
|
|
||||||
|
return ret;
|
||||||
|
}
|
||||||
44
ext/hal/hal.h
Normal file
44
ext/hal/hal.h
Normal file
@ -0,0 +1,44 @@
|
|||||||
|
/* GStreamer
|
||||||
|
* Copyright (C) <2002> Thomas Vander Stichele <thomas@apestaart.org>
|
||||||
|
* Copyright (C) <2006> Jürg Billeter <j@bitron.ch>
|
||||||
|
*
|
||||||
|
* 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_HAL_H
|
||||||
|
#define GST_HAL_H
|
||||||
|
|
||||||
|
/*
|
||||||
|
* this library handles interaction with Hal
|
||||||
|
*/
|
||||||
|
|
||||||
|
#include <gst/gst.h>
|
||||||
|
#include <dbus/dbus.h>
|
||||||
|
#include <libhal.h>
|
||||||
|
|
||||||
|
G_BEGIN_DECLS
|
||||||
|
|
||||||
|
gchar * gst_hal_get_string (const gchar *udi);
|
||||||
|
|
||||||
|
GstElement * gst_hal_render_bin_from_udi (const gchar *udi);
|
||||||
|
GstElement * gst_hal_render_bin_from_description (const gchar *description);
|
||||||
|
|
||||||
|
GstElement * gst_hal_get_audio_sink (const gchar *udi);
|
||||||
|
GstElement * gst_hal_get_audio_src (const gchar *udi);
|
||||||
|
|
||||||
|
G_END_DECLS
|
||||||
|
|
||||||
|
#endif /* GST_HAL_H */
|
||||||
Loading…
x
Reference in New Issue
Block a user