gstreamer/sys/sunaudio/gstsunaudio.c
Stéphane Loeuillet 8ab84441bb fourth batch : remove ',' at end of enums as they could confuse older gcc, foreign compilers (forte) and gtk-doc (in ...
Original commit message from CVS:
fourth batch :
remove ',' at end of enums as they could confuse older gcc, foreign compilers (forte) and gtk-doc
(in gst-plugins/sys/ this time)
2004-05-21 23:53:08 +00:00

439 lines
12 KiB
C

/*
* GStreamer
* Copyright (C) 1999-2001 Erik Walthinsen <omega@cse.ogi.edu>
* Copyright (C) 2004 David A. Schleef <ds@schleef.org>
*
* 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 <fcntl.h>
#include <string.h>
#include <unistd.h>
#include <sys/mman.h>
#include <sys/audioio.h>
#define GST_TYPE_SUNAUDIOSINK \
(gst_gst_sunaudiosink_get_type())
#define GST_SUNAUDIOSINK(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_SUNAUDIOSINK,GstSunAudioSink))
#define GST_SUNAUDIOSINK_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_SUNAUDIOSINK,GstSunAudioSink))
#define GST_IS_SUNAUDIOSINK(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_SUNAUDIOSINK))
#define GST_IS_SUNAUDIOSINK_CLASS(obj) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_SUNAUDIOSINK))
typedef struct _GstSunAudioSink GstSunAudioSink;
typedef struct _GstSunAudioSinkClass GstSunAudioSinkClass;
struct _GstSunAudioSink
{
GstElement element;
GstPad *sinkpad;
char *device;
int fd;
audio_device_t dev;
audio_info_t info;
int channels;
int width;
int rate;
int buffer_size;
};
struct _GstSunAudioSinkClass
{
GstElementClass parent_class;
};
GType gst_gst_sunaudiosink_get_type (void);
static GstElementDetails plugin_details = {
"SunAudioSink",
"Sink/Audio",
"Audio sink for Sun Audio devices",
"David A. Schleef <ds@schleef.org>",
};
/* Filter signals and args */
enum
{
/* FILL ME */
LAST_SIGNAL
};
enum
{
ARG_0,
ARG_DEVICE,
ARG_BUFFER_SIZE
};
static GstStaticPadTemplate gst_sunaudiosink_sink_factory =
GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("audio/x-raw-int, "
"endianness = (int) BYTE_ORDER, "
"signed = (boolean) { TRUE, FALSE }, "
"width = (int) { 8, 16 }, "
"depth = (int) { 8, 16 }, "
"rate = (int) [ 1, MAX ], " "channels = (int) [ 1, 2 ]")
);
static void gst_sunaudiosink_base_init (gpointer g_class);
static void gst_sunaudiosink_class_init (GstSunAudioSinkClass * klass);
static void gst_sunaudiosink_init (GstSunAudioSink * filter);
static GstCaps *gst_sunaudiosink_getcaps (GstPad * pad);
static GstPadLinkReturn gst_sunaudiosink_pad_link (GstPad * pad,
const GstCaps * caps);
static void gst_sunaudiosink_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec);
static void gst_sunaudiosink_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec);
static gboolean gst_sunaudiosink_setparams (GstSunAudioSink * sunaudiosink);
static void gst_sunaudiosink_chain (GstPad * pad, GstData * _data);
static GstElementStateReturn gst_sunaudiosink_change_state (GstElement *
element);
static GstElementClass *parent_class = NULL;
typedef struct _GstFencedBuffer GstFencedBuffer;
struct _GstFencedBuffer
{
GstBuffer buffer;
void *region;
unsigned int length;
};
GType
gst_gst_sunaudiosink_get_type (void)
{
static GType plugin_type = 0;
if (!plugin_type) {
static const GTypeInfo plugin_info = {
sizeof (GstSunAudioSinkClass),
gst_sunaudiosink_base_init,
NULL,
(GClassInitFunc) gst_sunaudiosink_class_init,
NULL,
NULL,
sizeof (GstSunAudioSink),
0,
(GInstanceInitFunc) gst_sunaudiosink_init,
};
plugin_type = g_type_register_static (GST_TYPE_ELEMENT,
"GstSunAudioSink", &plugin_info, 0);
}
return plugin_type;
}
static void
gst_sunaudiosink_base_init (gpointer g_class)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&gst_sunaudiosink_sink_factory));
gst_element_class_set_details (element_class, &plugin_details);
}
static void
gst_sunaudiosink_class_init (GstSunAudioSinkClass * klass)
{
GObjectClass *gobject_class;
GstElementClass *gstelement_class;
gobject_class = (GObjectClass *) klass;
gstelement_class = (GstElementClass *) klass;
parent_class = g_type_class_ref (GST_TYPE_ELEMENT);
gobject_class->set_property = gst_sunaudiosink_set_property;
gobject_class->get_property = gst_sunaudiosink_get_property;
gstelement_class->change_state = gst_sunaudiosink_change_state;
g_object_class_install_property (gobject_class, ARG_DEVICE,
g_param_spec_string ("device", "Device", "Audio Device (/dev/audio)",
"/dev/audio", G_PARAM_READWRITE));
g_object_class_install_property (gobject_class, ARG_BUFFER_SIZE,
g_param_spec_int ("buffer_size", "Buffer Size", "Buffer Size",
1, G_MAXINT, 64, G_PARAM_READWRITE));
}
static void
gst_sunaudiosink_init (GstSunAudioSink * sunaudiosink)
{
sunaudiosink->sinkpad =
gst_pad_new_from_template (gst_static_pad_template_get
(&gst_sunaudiosink_sink_factory), "sink");
gst_pad_set_getcaps_function (sunaudiosink->sinkpad,
gst_sunaudiosink_getcaps);
gst_pad_set_link_function (sunaudiosink->sinkpad, gst_sunaudiosink_pad_link);
gst_element_add_pad (GST_ELEMENT (sunaudiosink), sunaudiosink->sinkpad);
gst_pad_set_chain_function (sunaudiosink->sinkpad, gst_sunaudiosink_chain);
sunaudiosink->buffer_size = 64;
sunaudiosink->device = g_strdup ("/dev/audio");
}
static GstCaps *
gst_sunaudiosink_getcaps (GstPad * pad)
{
GstSunAudioSink *sunaudiosink = GST_SUNAUDIOSINK (gst_pad_get_parent (pad));
GstCaps *caps;
caps = gst_caps_from_string ("audio/x-raw-int, "
"endianness = (int) BYTE_ORDER, "
"signed = (boolean) TRUE, "
"width = (int) 16, "
"depth = (int) 16, " "rate = (int) 44100, " "channels = (int) 1");
GST_ERROR ("getcaps called on %" GST_PTR_FORMAT ", returning %"
GST_PTR_FORMAT, pad, caps);
return caps;
}
static GstPadLinkReturn
gst_sunaudiosink_pad_link (GstPad * pad, const GstCaps * caps)
{
GstSunAudioSink *sunaudiosink = GST_SUNAUDIOSINK (gst_pad_get_parent (pad));
GstPadLinkReturn ret;
GstStructure *structure;
structure = gst_caps_get_structure (caps, 0);
gst_structure_get_int (structure, "rate", &sunaudiosink->rate);
gst_structure_get_int (structure, "width", &sunaudiosink->width);
gst_structure_get_int (structure, "channels", &sunaudiosink->channels);
if (gst_sunaudiosink_setparams (sunaudiosink)) {
ret = GST_PAD_LINK_OK;
} else {
ret = GST_PAD_LINK_REFUSED;
}
GST_ERROR ("pad_link called on %" GST_PTR_FORMAT " with caps %"
GST_PTR_FORMAT ", returning %d", pad, caps, ret);
return ret;
}
static void
gst_sunaudiosink_chain (GstPad * pad, GstData * data)
{
GstSunAudioSink *sunaudiosink = GST_SUNAUDIOSINK (gst_pad_get_parent (pad));
GstBuffer *buffer = GST_BUFFER (data);
int ret;
if (GST_IS_EVENT (data)) {
g_assert (0);
} else {
ret = write (sunaudiosink->fd, GST_BUFFER_DATA (buffer),
GST_BUFFER_SIZE (buffer));
if (ret != GST_BUFFER_SIZE (buffer)) {
GST_ELEMENT_ERROR (sunaudiosink, RESOURCE, WRITE, (NULL),
("%s", strerror (errno)));
}
}
gst_data_unref (data);
}
static gboolean
gst_sunaudiosink_setparams (GstSunAudioSink * sunaudiosink)
{
audio_info_t ainfo;
int ret;
AUDIO_INITINFO (&ainfo);
ainfo.play.sample_rate = sunaudiosink->rate;
ainfo.play.channels = sunaudiosink->channels;
ainfo.play.precision = sunaudiosink->width;
ainfo.play.encoding = AUDIO_ENCODING_LINEAR;
ainfo.play.port = AUDIO_SPEAKER;
ainfo.play.buffer_size = sunaudiosink->buffer_size;
ainfo.output_muted = 0;
ret = ioctl (sunaudiosink->fd, AUDIO_SETINFO, &ainfo);
if (ret == -1) {
GST_ELEMENT_ERROR (sunaudiosink, RESOURCE, SETTINGS, (NULL), ("%s",
strerror (errno)));
return FALSE;
}
return TRUE;
}
static gboolean
gst_sunaudiosink_open (GstSunAudioSink * sunaudiosink)
{
const char *file;
int fd, ret;
file = "/dev/audio";
fd = open (file, O_WRONLY);
if (fd == -1) {
/* FIXME error */
return FALSE;
}
sunaudiosink->fd = fd;
ret = ioctl (fd, AUDIO_GETDEV, &sunaudiosink->dev);
if (ret == -1) {
GST_ELEMENT_ERROR (sunaudiosink, RESOURCE, SETTINGS, (NULL), ("%s",
strerror (errno)));
return FALSE;
}
GST_INFO ("name %s", sunaudiosink->dev.name);
GST_INFO ("version %s", sunaudiosink->dev.version);
GST_INFO ("config %s", sunaudiosink->dev.config);
ret = ioctl (fd, AUDIO_GETINFO, &sunaudiosink->info);
if (ret == -1) {
GST_ELEMENT_ERROR (sunaudiosink, RESOURCE, SETTINGS, (NULL), ("%s",
strerror (errno)));
return FALSE;
}
GST_INFO ("monitor_gain %d", sunaudiosink->info.monitor_gain);
GST_INFO ("output_muted %d", sunaudiosink->info.output_muted);
GST_INFO ("hw_features %08x", sunaudiosink->info.hw_features);
GST_INFO ("sw_features %08x", sunaudiosink->info.sw_features);
GST_INFO ("sw_features_enabled %08x", sunaudiosink->info.sw_features_enabled);
return TRUE;
}
static void
gst_sunaudiosink_close (GstSunAudioSink * sunaudiosink)
{
close (sunaudiosink->fd);
}
static GstElementStateReturn
gst_sunaudiosink_change_state (GstElement * element)
{
GstSunAudioSink *sunaudiosink = GST_SUNAUDIOSINK (element);
switch (GST_STATE_TRANSITION (element)) {
case GST_STATE_NULL_TO_READY:
if (!gst_sunaudiosink_open (sunaudiosink)) {
return GST_STATE_FAILURE;
}
break;
case GST_STATE_READY_TO_PAUSED:
break;
case GST_STATE_PAUSED_TO_PLAYING:
break;
case GST_STATE_PLAYING_TO_PAUSED:
break;
case GST_STATE_PAUSED_TO_READY:
break;
case GST_STATE_READY_TO_NULL:
gst_sunaudiosink_close (sunaudiosink);
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_sunaudiosink_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstSunAudioSink *sunaudiosink;
g_return_if_fail (GST_IS_SUNAUDIOSINK (object));
sunaudiosink = GST_SUNAUDIOSINK (object);
switch (prop_id) {
case ARG_DEVICE:
if (gst_element_get_state (GST_ELEMENT (sunaudiosink)) == GST_STATE_NULL) {
g_free (sunaudiosink->device);
sunaudiosink->device = g_strdup (g_value_get_string (value));
}
break;
case ARG_BUFFER_SIZE:
if (gst_element_get_state (GST_ELEMENT (sunaudiosink)) == GST_STATE_NULL) {
sunaudiosink->buffer_size = g_value_get_int (value);
}
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_sunaudiosink_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec)
{
GstSunAudioSink *sunaudiosink;
g_return_if_fail (GST_IS_SUNAUDIOSINK (object));
sunaudiosink = GST_SUNAUDIOSINK (object);
switch (prop_id) {
case ARG_DEVICE:
g_value_set_string (value, sunaudiosink->device);
break;
case ARG_BUFFER_SIZE:
g_value_set_int (value, sunaudiosink->buffer_size);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static gboolean
plugin_init (GstPlugin * plugin)
{
if (!gst_element_register (plugin, "sunaudiosink", GST_RANK_NONE,
GST_TYPE_SUNAUDIOSINK))
return FALSE;
return TRUE;
}
GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
GST_VERSION_MINOR,
"sunaudio",
"elements for SunAudio",
plugin_init, VERSION, "LGPL", GST_PACKAGE, GST_ORIGIN)