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>
+
* gst/avi/gstavidemux.c: (gst_avi_demux_handle_src_event):
Add comment in a fultile attempt to stop the copy-and-paste
paradigm leading to duplication of bad code.
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 FIXME: we could use header checks here as well IMO
translit(dnm, m, l) AM_CONDITIONAL(USE_JPEG, true)
ext/esd/Makefile
ext/flac/Makefile
ext/gconf/Makefile
+ext/hal/Makefile
ext/ladspa/Makefile
ext/libcaca/Makefile
ext/libpng/Makefile
$(top_srcdir)/ext/cairo/gsttimeoverlay.h \
$(top_srcdir)/ext/cdio/gstcdiocddasrc.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/multipartdemux.c \
$(top_srcdir)/gst/udp/gstmultiudpsink.h \
<xi:include href="xml/element-cdiocddasrc.xml" />
<xi:include href="xml/element-flacdec.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-level.xml" />
<xi:include href="xml/element-multiudpsink.xml" />
<xi:include href="xml/plugin-flxdec.xml" />
<xi:include href="xml/plugin-gconfelements.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-jpeg.xml" />
<xi:include href="xml/plugin-level.xml" />
</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>
<FILE>element-id3demux</FILE>
GstID3Demux
<TITLE>id3demux</TITLE>
GstGConfAudioSink
GstAutoVideoSink
GstAutoAudioSink
+ GstHalAudioSink
+ GstHalAudioSrc
GstSpeexEnc
GstSpeexDec
GstBaseSink
GDK_PIXBUF_DIR =
# endif
+if USE_HAL
+HAL_DIR = hal
+else
+HAL_DIR =
+endif
+
if USE_JPEG
JPEG_DIR = jpeg
else
$(FLAC_DIR) \
$(GCONF_DIR) \
$(GDK_PIXBUF_DIR) \
+ $(HAL_DIR) \
$(JPEG_DIR) \
$(LADSPA_DIR) \
$(LIBCACA_DIR) \
esd \
flac \
gconf \
+ hal \
jpeg \
ladspa \
libcaca \
--- /dev/null
+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
--- /dev/null
+/* 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;
+}
--- /dev/null
+/* 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__ */
--- /dev/null
+/* 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;
+}
--- /dev/null
+/* 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__ */
--- /dev/null
+/* 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)
--- /dev/null
+/* 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__ */
--- /dev/null
+/* 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;
+}
--- /dev/null
+/* 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 */
projects / platform / upstream / gst-plugins-good.git / commitdiff