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adding arts and artds, no checks yet

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Original commit message from CVS:
adding arts and artds, no checks yet
This commit is contained in:
Thomas Vander Stichele 2001-12-23 16:28:00 +00:00
parent 8211ed26bd
commit 94d87fb901
11 changed files with 1040 additions and 3 deletions
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11
ext/Makefile.am
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@ -82,13 +82,18 @@ else
JPEG_DIR=
endif
if USE_MAD
MAD_DIR=mad
else
MAD_DIR=
endif
if USE_MIKMOD
MIKMOD_DIR=mikmod
else
MIKMOD_DIR=
endif
if USE_MPEG2DEC
MPEG2DEC_DIR=mpeg2dec
else
@ -128,10 +133,10 @@ endif
SUBDIRS=$(A52_DIR) $(AALIB_DIR) $(ALSA_DIR) $(AUDIOFILE_DIR) \
$(AVIFILE_DIR) $(CDPARANOIA_DIR) $(DVDREAD_DIR) $(ESD_DIR) \
$(FESTIVAL_DIR) $(FLAC_DIR) $(GSM_DIR) $(HERMES_DIR) \
$(JPEG_DIR) $(LAME_DIR) $(MAD_DIR) $(MPEG2DEC_DIR) \
$(JPEG_DIR) $(LAME_DIR) $(MAD_DIR) $(MIKMOD_DIR) $(MPEG2DEC_DIR) \
$(OPENQUICKTIME_DIR) $(SDL_DIR) $(SHOUT_DIR) $(VORBIS_DIR) \
$(XMMS_DIR)
DIST_SUBDIRS=a52 aalib alsa avifile audiofile cdparanoia dvdread esd \
festival flac gsm hermes jpeg lame mad mpeg2dec \
festival flac gsm hermes jpeg lame mad mikmod mpeg2dec \
openquicktime sdl shout vorbis xmms

30
ext/arts/Makefile.am Normal file
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@ -0,0 +1,30 @@
filterdir = $(libdir)/gst
filter_LTLIBRARIES = libgst_arts.la
gst_artsio_impl.lo: gst_artsio.cc
SUFFIXES = .idl
.idl.cc:
mcopidl -t $< $(ARTS_MCOPFLAGS)
# mcopidl Extension Expansion Technology clean up
CLEANFILES = gst_artsio.h gst_artsio.cc gst_artsio.mcopclass gst_artsio.mcoptype
libgst_arts_la_SOURCES = gst_arts.c gst_artsio.cc gst_artsio_impl.cc
noinst_HEADERS = gst_arts.h gst_artsio_impl.h
# FIXME automake 1.4 hack, 1.5 should let us put the .idl in
# _SOURCES at which point the follow can be removed
EXTRA_DIST = gst_artsio.idl
dist-hook:
rm -f $(distdir)/gst_artsio.cc
# gst_artsio.cc and gst_artsio.h are generated from the idl, and the tools
# needed to do this should be present on any platform where the rest of arts
# is present: therefore, these don't need to go in the dist.
#EXTRA_DIST = gst_artsio.cc gst_artsio.h
libgst_arts_la_CFLAGS = $(ARTS_CFLAGS)
libgst_arts_la_CXXFLAGS = $(ARTS_CFLAGS) $(CFLAGS)
libgst_arts_la_LDFLAGS = $(ARTS_LIBS)

243
ext/arts/gst_arts.c Normal file
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@ -0,0 +1,243 @@
/* GStreamer
* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
*
* 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.
*/
#include <string.h>
#include <math.h>
#include <sys/soundcard.h>
//#define DEBUG_ENABLED
#include "gst_arts.h"
#include "gst_artsio_impl.h"
/* elementfactory information */
static GstElementDetails gst_arts_details = {
"aRts plugin",
"Filter/Audio",
"aRts plugin",
VERSION,
"Erik Walthinsen <omega@temple-baptist.com,
Stefan Westerfeld <stefan@space.twc.de>",
"(C) 2000",
};
GST_PADTEMPLATE_FACTORY ( sink_temp,
"sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_CAPS_NEW (
"arts_sample",
"audio/raw",
"format", GST_PROPS_INT ("int"),
"law", GST_PROPS_INT (0),
"depth", GST_PROPS_INT (16),
"width", GST_PROPS_INT (16),
"signed", GST_PROPS_BOOLEAN (TRUE),
"channels", GST_PROPS_INT (2),
"endianness", GST_PROPS_INT (G_LITTLE_ENDIAN)
)
)
GST_PADTEMPLATE_FACTORY ( src_temp,
"src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_CAPS_NEW (
"arts_sample",
"audio/raw",
"format", GST_PROPS_INT ("int"),
"law", GST_PROPS_INT (0),
"depth", GST_PROPS_INT (16),
"width", GST_PROPS_INT (16),
"signed", GST_PROPS_BOOLEAN (TRUE),
"channels", GST_PROPS_INT (2),
"endianness", GST_PROPS_INT (G_LITTLE_ENDIAN)
)
)
static GstPadTemplate*
mad_src_template_factory (void)
{
static GstPadTemplate *templ = NULL;
if (!templ) {
templ = gst_padtemplate_new (
"src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
gst_caps_new (
"mad_src",
"audio/raw",
gst_props_new (
"format", GST_PROPS_STRING ("int"),
"law", GST_PROPS_INT (0),
"endianness", GST_PROPS_INT (G_BYTE_ORDER),
"signed", GST_PROPS_BOOLEAN (TRUE),
"width", GST_PROPS_INT (16),
"depth", GST_PROPS_INT (16),
"rate", GST_PROPS_INT (44100),
"channels", GST_PROPS_INT (2),
NULL)),
NULL);
}
return templ;
}
enum {
ARG_0,
ARG_LAST,
};
static void gst_arts_class_init (GstARTSClass *klass);
static void gst_arts_init (GstARTS *arts);
static void gst_arts_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec);
static void gst_arts_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec);
static GstElementStateReturn gst_arts_change_state (GstElement *element);
static void gst_arts_loop (GstElement *element);
static GstElementClass *parent_class = NULL;
//static guint gst_arts_signals[LAST_SIGNAL] = { 0 };
GType
gst_arts_get_type (void)
{
static GType gst_arts_type = 0;
if (!gst_arts_type) {
static const GTypeInfo gst_arts_info = {
sizeof(GstARTSClass), NULL,
NULL,
(GClassInitFunc)gst_arts_class_init,
NULL,
NULL,
sizeof(GstARTS),
0,
(GInstanceInitFunc)gst_arts_init,
};
gst_arts_type = g_type_register_static(GST_TYPE_ELEMENT, "GstArts", &gst_arts_info, 0);
}
return gst_arts_type;
}
static void
gst_arts_class_init (GstARTSClass *klass)
{
GObjectClass *gobject_class;
GstElementClass *gstelement_class;
gobject_class = (GObjectClass*)klass;
gstelement_class = (GstElementClass*)klass;
gobject_class->set_property = gst_arts_set_property;
gobject_class->get_property = gst_arts_get_property;
gstelement_class->change_state = gst_arts_change_state;
}
static void
gst_arts_init (GstARTS *arts)
{
arts->sinkpad = gst_pad_new_from_template(GST_PADTEMPLATE_GET(sink_temp),"sink");
gst_element_add_pad(GST_ELEMENT(arts),arts->sinkpad);
// arts->srcpad = gst_pad_new_from_template(GST_PADTEMPLATE_GET(src_temp),"src");
arts->srcpad = gst_pad_new_from_template(mad_src_template_factory (), "src");
gst_element_add_pad(GST_ELEMENT(arts),arts->srcpad);
gst_element_set_loop_function (GST_ELEMENT (arts), gst_arts_loop);
arts->wrapper = gst_arts_wrapper_new(arts->sinkpad,arts->srcpad);
}
static void
gst_arts_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec)
{
GstARTS *arts = (GstARTS*)object;
GstARTSClass *oclass = (GstARTSClass*)(G_OBJECT_CLASS (object));
}
static void
gst_arts_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec)
{
GstARTS *arts = (GstARTS*)object;
GstARTSClass *oclass = (GstARTSClass*)(G_OBJECT_CLASS (object));
}
static GstElementStateReturn
gst_arts_change_state (GstElement *element)
{
GstARTS *arts = (GstARTS*)element;
switch (GST_STATE_TRANSITION (element)) {
case GST_STATE_NULL_TO_READY:
break;
default:
break;
}
if (GST_ELEMENT_CLASS (parent_class)->change_state)
return GST_ELEMENT_CLASS (parent_class)->change_state (element);
return GST_STATE_SUCCESS;
}
static void
gst_arts_loop (GstElement *element)
{
GstARTS *arts = (GstARTS*)element;
g_return_if_fail (arts != NULL);
// do {
gst_arts_wrapper_do(arts->wrapper);
// } while (!GST_ELEMENT_IS_COTHREAD_STOPPING (element));
}
static gboolean
plugin_init (GModule *module, GstPlugin *plugin)
{
GstElementFactory *gstarts;
parent_class = g_type_class_ref(GST_TYPE_ELEMENT);
gstarts = gst_elementfactory_new("gstarts",GST_TYPE_ARTS,&gst_arts_details);
g_return_val_if_fail(gstarts != NULL, FALSE);
gst_elementfactory_add_padtemplate(gstarts, GST_PADTEMPLATE_GET(sink_temp));
// gst_elementfactory_add_padtemplate(gstarts, GST_PADTEMPLATE_GET(src_temp));
gst_elementfactory_add_padtemplate(gstarts, mad_src_template_factory ());
gst_plugin_add_feature (plugin, GST_PLUGIN_FEATURE (gstarts));
return TRUE;
}
GstPluginDesc plugin_desc = {
GST_VERSION_MAJOR,
GST_VERSION_MINOR,
"gst_arts",
plugin_init
};

66
ext/arts/gst_arts.h Normal file
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@ -0,0 +1,66 @@
/* GStreamer
* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
*
* gstarts.h: Header for ARTS plugin
*
* 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_ARTS_H__
#define __GST_ARTS_H__
#include <config.h>
#include <gst/gst.h>
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
#define GST_TYPE_ARTS \
(gst_arts_get_type())
#define GST_ARTS(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_ARTS,GstARTS))
#define GST_ARTS_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_ARTS,GstARTS))
#define GST_IS_ARTS(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_ARTS))
#define GST_IS_ARTS_CLASS(obj) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_ARTS))
typedef struct _GstARTS GstARTS;
typedef struct _GstARTSClass GstARTSClass;
struct _GstARTS {
GstElement element;
GstPad *sinkpad, *srcpad;
void *wrapper;
};
struct _GstARTSClass {
GstElementClass parent_class;
};
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* __GST_ARTS_H__ */

21
ext/arts/gst_artsio.idl Normal file
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@ -0,0 +1,21 @@
#include "artsflow.idl"
module Gst {
interface ArtsMonoSink : Arts::SynthModule {
default out audio stream output;
};
interface ArtsStereoSink : Arts::SynthModule {
default out audio stream outleft,outright;
};
interface ArtsMonoSrc : Arts::SynthModule {
default in audio stream input;
};
interface ArtsStereoSrc : Arts::SynthModule {
default in audio stream inleft,inright;
};
};

159
ext/arts/gst_artsio_impl.cc Normal file
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@ -0,0 +1,159 @@
#include <math.h>
#include "artsflow.h"
#include "stdsynthmodule.h"
#include "gst_artsio.h"
#include "convert.h"
#include "connect.h"
#include "flowsystem.h"
#include <gst/gst.h>
using namespace Arts;
namespace Gst {
class ArtsStereoSink_impl : virtual public ArtsStereoSink_skel,
virtual public StdSynthModule
{
GstPad *sinkpad;
long remainingsamples;
GstBuffer *inbuf;
unsigned char *dataptr;
public:
ArtsStereoSink_impl()
{
remainingsamples = 0;
inbuf = NULL;
dataptr = NULL;
}
void calculateBlock (unsigned long samples)
{
unsigned long fulfilled = 0;
//gint16 *s;
//fprintf(stderr,"StereoSink: getting %d samples\n",samples);
while (fulfilled < samples) {
if (remainingsamples == 0) {
//fprintf(stderr,"need to get a buffer\n");
if (inbuf) {
gst_buffer_unref(inbuf);
inbuf = 0;
}
// start by pulling a buffer from GStreamer
inbuf = gst_pad_pull (sinkpad);
dataptr = GST_BUFFER_DATA(inbuf);
remainingsamples = GST_BUFFER_SIZE(inbuf) / 4;
//fprintf(stderr,"got a buffer with %d samples\n",remainingsamples);
}
unsigned long count = MIN(remainingsamples,samples-fulfilled);
//fprintf(stderr,"have %d samples left, can fill %d\n",remainingsamples,count);
convert_stereo_i16le_2float(count,dataptr,outleft,outright);
//s = (gint16 *)dataptr;
//fprintf(stderr,"samples in are %d and %d, out are %f and %f\n",s[0],s[1],outleft[0],outright[0]);
remainingsamples -= count;
dataptr += 4 * count;
fulfilled += count;
}
}
void setPad(GstPad *pad)
{
sinkpad = pad;
}
};
class ArtsStereoSrc_impl : virtual public ArtsStereoSrc_skel,
virtual public StdSynthModule
{
GstPad *srcpad;
GstBuffer *outbuf;
unsigned char *dataptr;
public:
void calculateBlock (unsigned long samples)
{
//gint16 *s;
//fprintf(stderr,"StereoSrc: handed %d samples\n",samples);
outbuf = gst_buffer_new();
GST_BUFFER_DATA(outbuf) = (guchar *)g_malloc(samples*4);
GST_BUFFER_SIZE(outbuf) = samples*4;
memset(GST_BUFFER_DATA(outbuf),0,samples*4);
convert_stereo_2float_i16le(samples,inleft,inright,GST_BUFFER_DATA(outbuf));
//s = (gint16 *)GST_BUFFER_DATA(outbuf);
//fprintf(stderr,"samples in are %f and %f, out are %d and %d\n",inleft[0],inright[0],s[0],s[1]);
gst_pad_push(srcpad,outbuf);
outbuf = NULL;
}
void setPad(GstPad *pad)
{
srcpad = pad;
}
};
class GstArtsWrapper {
Dispatcher *dispatcher;
ArtsStereoSink sink;
ArtsStereoSrc source;
StereoVolumeControl effect;
public:
GstArtsWrapper(GstPad *sinkpad, GstPad *sourcepad) {
dispatcher = new Arts::Dispatcher();
ArtsStereoSink_impl *sink_impl = new ArtsStereoSink_impl();
ArtsStereoSrc_impl *source_impl = new ArtsStereoSrc_impl();
sink_impl->setPad(sinkpad);
source_impl->setPad(sourcepad);
sink = ArtsStereoSink::_from_base(sink_impl);
source = ArtsStereoSrc::_from_base(source_impl);
sink.start();
effect.start();
source.start();
effect.scaleFactor(0.5);
connect(sink, effect);
connect(effect, source);
// connect(sink,source);
}
void iterate()
{
source._node()->requireFlow();
}
};
};
extern "C" {
void *gst_arts_wrapper_new(GstPad *sinkpad, GstPad *sourcepad)
{
return new Gst::GstArtsWrapper(sinkpad, sourcepad);
}
void gst_arts_wrapper_free(void *wrapper)
{
Gst::GstArtsWrapper *w = (Gst::GstArtsWrapper *)wrapper;
delete w;
}
void gst_arts_wrapper_do(void *wrapper)
{
Gst::GstArtsWrapper *w = (Gst::GstArtsWrapper *)wrapper;
w->iterate();
}
}
// vim:sts=2:sw=2

14
ext/arts/gst_artsio_impl.h Normal file
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@ -0,0 +1,14 @@
#include <gst/gst.h>
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
void *gst_arts_wrapper_new(GstPad *sinkpad, GstPad *sourcepad);
void gst_arts_wrapper_free(void *wrapper);
void gst_arts_wrapper_do(void *wrapper);
#ifdef __cplusplus
}
#endif /* __cplusplus */

9
ext/artsd/Makefile.am Normal file
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@ -0,0 +1,9 @@
plugindir = $(libdir)/gst
plugin_LTLIBRARIES = libartsdsink.la
libartsdsink_la_SOURCES = gstartsdsink.c
noinst_HEADERS = gstartsdsink.h
libartsdsink_la_CFLAGS = $(ARTSC_CFLAGS) $(GST_CFLAGS)
libartsdsink_la_LIBADD = $(ARTSC_LIBS)

4
ext/artsd/REQUIREMENTS Normal file
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@ -0,0 +1,4 @@
To compile: artsc.h (On debian: libarts-dev)
To use: libartsc (On debian: libarts)

408
ext/artsd/gstartsdsink.c Normal file
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@ -0,0 +1,408 @@
/* Gnome-Streamer
* Copyright (C) <2001> Richard Boulton <richard-gst@tartarus.org>
*
* Based on example.c:
* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
*
* 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.
*/
#include "gstartsdsink.h"
/* elementfactory information */
static GstElementDetails artsdsink_details = {
"aRtsd audio sink",
"Sink/Artsdsink",
"Plays audio to an aRts server",
VERSION,
"Richard Boulton <richard-gst@tartarus.org>",
"(C) 2001",
};
/* Signals and args */
enum {
/* FILL ME */
LAST_SIGNAL
};
enum {
ARG_0,
ARG_MUTE,
ARG_DEPTH,
ARG_CHANNELS,
ARG_RATE,
ARG_NAME,
};
GST_PADTEMPLATE_FACTORY (sink_factory,
"sink", /* the name of the pads */
GST_PAD_SINK, /* type of the pad */
GST_PAD_ALWAYS, /* ALWAYS/SOMETIMES */
GST_CAPS_NEW (
"artsdsink_sink", /* the name of the caps */
"audio/raw", /* the mime type of the caps */
"format", GST_PROPS_STRING ("int"),
"law", GST_PROPS_INT (0),
"endianness", GST_PROPS_INT (G_BYTE_ORDER),
"signed", GST_PROPS_BOOLEAN (FALSE),
"width", GST_PROPS_INT (8),
"depth", GST_PROPS_INT (8),
"rate", GST_PROPS_INT_RANGE (8000, 96000),
"channels", GST_PROPS_LIST (GST_PROPS_INT (1), GST_PROPS_INT (2))
),
GST_CAPS_NEW (
"artsdsink_sink", /* the name of the caps */
"audio/raw", /* the mime type of the caps */
"format", GST_PROPS_STRING ("int"),
"law", GST_PROPS_INT (0),
"endianness", GST_PROPS_INT (G_BYTE_ORDER),
"signed", GST_PROPS_BOOLEAN (TRUE),
"width", GST_PROPS_INT (16),
"depth", GST_PROPS_INT (16),
"rate", GST_PROPS_INT_RANGE (8000, 96000),
"channels", GST_PROPS_LIST (GST_PROPS_INT (1), GST_PROPS_INT (2))
)
);
static void gst_artsdsink_class_init (GstArtsdsinkClass *klass);
static void gst_artsdsink_init (GstArtsdsink *artsdsink);
static gboolean gst_artsdsink_open_audio (GstArtsdsink *sink);
static void gst_artsdsink_close_audio (GstArtsdsink *sink);
static GstElementStateReturn gst_artsdsink_change_state (GstElement *element);
static gboolean gst_artsdsink_sync_parms (GstArtsdsink *artsdsink);
static void gst_artsdsink_chain (GstPad *pad, GstBuffer *buf);
static void gst_artsdsink_set_property (GObject *object, guint prop_id,
const GValue *value, GParamSpec *pspec);
static void gst_artsdsink_get_property (GObject *object, guint prop_id,
GValue *value, GParamSpec *pspec);
#define GST_TYPE_ARTSDSINK_DEPTHS (gst_artsdsink_depths_get_type())
static GType
gst_artsdsink_depths_get_type (void)
{
static GType artsdsink_depths_type = 0;
static GEnumValue artsdsink_depths[] = {
{8, "8", "8 Bits"},
{16, "16", "16 Bits"},
{0, NULL, NULL},
};
if (!artsdsink_depths_type) {
artsdsink_depths_type = g_enum_register_static("GstArtsdsinkDepths", artsdsink_depths);
}
return artsdsink_depths_type;
}
#define GST_TYPE_ARTSDSINK_CHANNELS (gst_artsdsink_channels_get_type())
static GType
gst_artsdsink_channels_get_type (void)
{
static GType artsdsink_channels_type = 0;
static GEnumValue artsdsink_channels[] = {
{1, "1", "Mono"},
{2, "2", "Stereo"},
{0, NULL, NULL},
};
if (!artsdsink_channels_type) {
artsdsink_channels_type = g_enum_register_static("GstArtsdsinkChannels", artsdsink_channels);
}
return artsdsink_channels_type;
}
static GstElementClass *parent_class = NULL;
//static guint gst_artsdsink_signals[LAST_SIGNAL] = { 0 };
GType
gst_artsdsink_get_type (void)
{
static GType artsdsink_type = 0;
if (!artsdsink_type) {
static const GTypeInfo artsdsink_info = {
sizeof(GstArtsdsinkClass), NULL,
NULL,
(GClassInitFunc)gst_artsdsink_class_init,
NULL,
NULL,
sizeof(GstArtsdsink),
0,
(GInstanceInitFunc)gst_artsdsink_init,
};
artsdsink_type = g_type_register_static(GST_TYPE_ELEMENT, "GstArtsdsink", &artsdsink_info, 0);
}
return artsdsink_type;
}
static void
gst_artsdsink_class_init (GstArtsdsinkClass *klass)
{
GObjectClass *gobject_class;
GstElementClass *gstelement_class;
gobject_class = (GObjectClass*)klass;
gstelement_class = (GstElementClass*)klass;
parent_class = g_type_class_ref(GST_TYPE_ELEMENT);
g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_MUTE,
g_param_spec_boolean("mute","mute","mute",
TRUE,G_PARAM_READWRITE)); // CHECKME
g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_DEPTH,
g_param_spec_enum("depth","depth","depth",
GST_TYPE_ARTSDSINK_DEPTHS,0,G_PARAM_READWRITE)); // CHECKME!
g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_CHANNELS,
g_param_spec_enum("channels","channels","channels",
GST_TYPE_ARTSDSINK_CHANNELS,0,G_PARAM_READWRITE)); // CHECKME!
g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_RATE,
g_param_spec_int("frequency","frequency","frequency",
G_MININT,G_MAXINT,0,G_PARAM_READWRITE)); // CHECKME
g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_NAME,
g_param_spec_string("name","name","name",
NULL, G_PARAM_READWRITE)); // CHECKME
gobject_class->set_property = gst_artsdsink_set_property;
gobject_class->get_property = gst_artsdsink_get_property;
gstelement_class->change_state = gst_artsdsink_change_state;
}
static void
gst_artsdsink_init(GstArtsdsink *artsdsink)
{
artsdsink->sinkpad = gst_pad_new_from_template (
GST_PADTEMPLATE_GET (sink_factory), "sink");
gst_element_add_pad(GST_ELEMENT(artsdsink), artsdsink->sinkpad);
gst_pad_set_chain_function(artsdsink->sinkpad, gst_artsdsink_chain);
artsdsink->connected = FALSE;
artsdsink->mute = FALSE;
// FIXME: get default from somewhere better than just putting them inline.
artsdsink->signd = TRUE;
artsdsink->depth = 16;
artsdsink->channels = 2;
artsdsink->frequency = 44100;
artsdsink->connect_name = NULL;
}
static gboolean
gst_artsdsink_sync_parms (GstArtsdsink *artsdsink)
{
g_return_val_if_fail (artsdsink != NULL, FALSE);
g_return_val_if_fail (GST_IS_ARTSDSINK (artsdsink), FALSE);
if (!artsdsink->connected) return TRUE;
// Need to set stream to use new parameters: only way to do this is to reopen.
gst_artsdsink_close_audio (artsdsink);
return gst_artsdsink_open_audio (artsdsink);
}
static void
gst_artsdsink_chain (GstPad *pad, GstBuffer *buf)
{
GstArtsdsink *artsdsink;
g_return_if_fail(pad != NULL);
g_return_if_fail(GST_IS_PAD(pad));
g_return_if_fail(buf != NULL);
artsdsink = GST_ARTSDSINK (gst_pad_get_parent (pad));
if (GST_BUFFER_DATA (buf) != NULL) {
gst_trace_add_entry(NULL, 0, buf, "artsdsink: writing to server");
if (!artsdsink->mute && artsdsink->connected) {
int bytes;
void * bufptr = GST_BUFFER_DATA (buf);
int bufsize = GST_BUFFER_SIZE (buf);
GST_DEBUG (0, "artsdsink: stream=%p data=%p size=%d\n",
artsdsink->stream, GST_BUFFER_DATA (buf), GST_BUFFER_SIZE (buf));
do {
bytes = arts_write (artsdsink->stream, bufptr, bufsize);
if(bytes < 0) {
fprintf(stderr,"arts_write error: %s\n", arts_error_text(bytes));
gst_buffer_unref (buf);
return;
}
bufptr += bytes;
bufsize -= bytes;
} while (bufsize > 0);
}
}
gst_buffer_unref (buf);
}
static void
gst_artsdsink_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec)
{
GstArtsdsink *artsdsink;
/* it's not null if we got it, but it might not be ours */
g_return_if_fail(GST_IS_ARTSDSINK(object));
artsdsink = GST_ARTSDSINK(object);
switch (prop_id) {
case ARG_MUTE:
artsdsink->mute = g_value_get_boolean (value);
break;
case ARG_DEPTH:
artsdsink->depth = g_value_get_enum (value);
gst_artsdsink_sync_parms (artsdsink);
break;
case ARG_CHANNELS:
artsdsink->channels = g_value_get_enum (value);
gst_artsdsink_sync_parms (artsdsink);
break;
case ARG_RATE:
artsdsink->frequency = g_value_get_int (value);
gst_artsdsink_sync_parms (artsdsink);
break;
case ARG_NAME:
if (artsdsink->connect_name != NULL) g_free(artsdsink->connect_name);
if (g_value_get_string (value) == NULL)
artsdsink->connect_name = NULL;
else
artsdsink->connect_name = g_strdup (g_value_get_string (value));
break;
default:
break;
}
}
static void
gst_artsdsink_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec)
{
GstArtsdsink *artsdsink;
/* it's not null if we got it, but it might not be ours */
g_return_if_fail(GST_IS_ARTSDSINK(object));
artsdsink = GST_ARTSDSINK(object);
switch (prop_id) {
case ARG_MUTE:
g_value_set_boolean (value, artsdsink->mute);
break;
case ARG_DEPTH:
g_value_set_enum (value, artsdsink->depth);
break;
case ARG_CHANNELS:
g_value_set_enum (value, artsdsink->channels);
break;
case ARG_RATE:
g_value_set_int (value, artsdsink->frequency);
break;
case ARG_NAME:
g_value_set_string (value, artsdsink->connect_name);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static gboolean
plugin_init (GModule *module, GstPlugin *plugin)
{
GstElementFactory *factory;
factory = gst_elementfactory_new("artsdsink", GST_TYPE_ARTSDSINK,
&artsdsink_details);
g_return_val_if_fail(factory != NULL, FALSE);
gst_elementfactory_add_padtemplate(factory, GST_PADTEMPLATE_GET (sink_factory));
gst_plugin_add_feature (plugin, GST_PLUGIN_FEATURE (factory));
return TRUE;
}
GstPluginDesc plugin_desc = {
GST_VERSION_MAJOR,
GST_VERSION_MINOR,
"artsdsink",
plugin_init
};
static gboolean
gst_artsdsink_open_audio (GstArtsdsink *sink)
{
const char * connname = "gstreamer";
int errcode;
// Name used by aRtsd for this connection.
if (sink->connect_name != NULL) connname = sink->connect_name;
// FIXME: this should only ever happen once per process.
// Really, artsc needs to be made thread safe to fix this (and other related
// problems).
errcode = arts_init();
if(errcode < 0) {
fprintf(stderr,"arts_init error: %s\n", arts_error_text(errcode));
return FALSE;
}
GST_DEBUG (0, "artsdsink: attempting to open connection to aRtsd server\n");
sink->stream = arts_play_stream(sink->frequency, sink->depth,
sink->channels, connname);
// FIXME: check connection
// GST_DEBUG (0, "artsdsink: can't open connection to aRtsd server\n");
GST_FLAG_SET (sink, GST_ARTSDSINK_OPEN);
sink->connected = TRUE;
return TRUE;
}
static void
gst_artsdsink_close_audio (GstArtsdsink *sink)
{
if (!sink->connected) return;
arts_close_stream(sink->stream);
arts_free();
GST_FLAG_UNSET (sink, GST_ARTSDSINK_OPEN);
sink->connected = FALSE;
g_print("artsdsink: closed connection\n");
}
static GstElementStateReturn
gst_artsdsink_change_state (GstElement *element)
{
g_return_val_if_fail (GST_IS_ARTSDSINK (element), FALSE);
/* if going down into NULL state, close the stream if it's open */
if (GST_STATE_PENDING (element) == GST_STATE_NULL) {
if (GST_FLAG_IS_SET (element, GST_ARTSDSINK_OPEN))
gst_artsdsink_close_audio (GST_ARTSDSINK (element));
/* otherwise (READY or higher) we need to open the stream */
} else {
if (!GST_FLAG_IS_SET (element, GST_ARTSDSINK_OPEN)) {
if (!gst_artsdsink_open_audio (GST_ARTSDSINK (element)))
return GST_STATE_FAILURE;
}
}
if (GST_ELEMENT_CLASS (parent_class)->change_state)
return GST_ELEMENT_CLASS (parent_class)->change_state (element);
return GST_STATE_SUCCESS;
}

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ext/artsd/gstartsdsink.h Normal file
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/* Gnome-Streamer
* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
*
* 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_ARTSDSINK_H__
#define __GST_ARTSDSINK_H__
#include <gst/gst.h>
#include <artsc.h>
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
#define GST_TYPE_ARTSDSINK \
(gst_artsdsink_get_type())
#define GST_ARTSDSINK(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_ARTSDSINK,GstArtsdsink))
#define GST_ARTSDSINK_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_ARTSDSINK,GstArtsdsink))
#define GST_IS_ARTSDSINK(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_ARTSDSINK))
#define GST_IS_ARTSDSINK_CLASS(obj) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_ARTSDSINK))
typedef enum {
GST_ARTSDSINK_OPEN = GST_ELEMENT_FLAG_LAST,
GST_ARTSDSINK_FLAG_LAST = GST_ELEMENT_FLAG_LAST+2,
} GstArtsdSinkFlags;
typedef struct _GstArtsdsink GstArtsdsink;
typedef struct _GstArtsdsinkClass GstArtsdsinkClass;
struct _GstArtsdsink {
GstElement element;
GstPad *sinkpad;
gboolean connected;
arts_stream_t stream;
gboolean mute;
gboolean signd;
gint depth;
gint channels;
gint frequency;
gchar* connect_name;
};
struct _GstArtsdsinkClass {
GstElementClass parent_class;
};
GType gst_artsdsink_get_type(void);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* __GST_ARTSDSINK_H__ */