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sys/sunaudio/Makefile.am: Add sunaudiosrc patch from Bala

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Original commit message from CVS:
* sys/sunaudio/Makefile.am: Add sunaudiosrc patch from Bala
* sys/sunaudio/gstsunaudiosrc.c:
* sys/sunaudio/gstsunaudiosrc.h:
This commit is contained in:
Balamurali Viswanathan 2004-08-27 17:05:20 +00:00 committed by David Schleef
parent d6605f3d6d
commit 51613ff6ac
4 changed files with 501 additions and 0 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
2004-08-27 David Schleef <ds@schleef.org>
* sys/sunaudio/Makefile.am: Add sunaudiosrc patch from Bala
* sys/sunaudio/gstsunaudiosrc.c:
* sys/sunaudio/gstsunaudiosrc.h:
2004-08-27 Arwed v. Merkatz <v.merkatz@gmx.net>
* gst/matroska/ebml-read.c: (gst_ebml_peed_id), (gst_ebml_read_element_id),

2
sys/sunaudio/Makefile.am
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@ -1,6 +1,7 @@
plugin_LTLIBRARIES = libgstsunaudio.la
libgstsunaudio_la_SOURCES = gstsunaudio.c \
gstsunaudiosrc.c \
gstsunelement.c \
gstsunmixer.c
@ -10,5 +11,6 @@ libgstsunaudio_la_LIBADD = $(top_builddir)/gst-libs/gst/libgstinterfaces-@GST_MA
libgstsunaudio_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
noinst_HEADERS = gstsunelement.h \
gstsunaudiosrc.h \
gstsunmixer.h

419
sys/sunaudio/gstsunaudiosrc.c Normal file
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@ -0,0 +1,419 @@
/* GStreamer
* Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
* 2000 Wim Taymans <wtay@chello.be>
*
* gstsunaudiosrc.c:
*
* 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 <fcntl.h>
#include <unistd.h>
#include <string.h>
#include <sys/audioio.h>
#include <gstsunaudiosrc.h>
#include <gstsunelement.h>
/* elementfactory information */
static GstElementDetails gst_sunaudiosrc_details =
GST_ELEMENT_DETAILS ("SunAudioSource",
"Source/Audio",
"Audio source for Sun Audio devices",
"Balamurali Viswanathan <balamurali.viswanathan@wipro.com>");
enum
{
ARG_0,
ARG_DEVICE,
ARG_BUFFER_SIZE
};
/*Pending Bala check this template */
static GstStaticPadTemplate gst_sunaudiosrc_src_factory =
GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("audio/x-raw-int, "
"endianness = (int) BYTE_ORDER, "
"signed = (boolean) TRUE, "
"width = (int) 16, "
"depth = (int) 16, "
"rate = (int) [ 5510, 48000 ], " "channels = (int) [ 1, 2 ]")
);
static void gst_sunaudiosrc_base_init (gpointer g_class);
static void gst_sunaudiosrc_class_init (GstSunAudioSrcClass * klass);
static void gst_sunaudiosrc_init (GstSunAudioSrc * sunaudiosrc);
static void gst_sunaudiosrc_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec);
static void gst_sunaudiosrc_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec);
static GstElementStateReturn gst_sunaudiosrc_change_state (GstElement *
element);
static gboolean gst_sunaudiosrc_setparams (GstSunAudioSrc * sunaudiosrc);
static GstData *gst_sunaudiosrc_get (GstPad * pad);
static GstCaps *gst_sunaudiosrc_getcaps (GstPad * pad);
static GstPadLinkReturn gst_sunaudiosrc_pad_link (GstPad * pad,
const GstCaps * caps);
static gboolean gst_sunaudiosrc_open (GstSunAudioSrc * sunaudiosrc);
static void gst_sunaudiosrc_close (GstSunAudioSrc * sunaudiosrc);
static GstElementClass *parent_class = NULL;
GType
gst_sunaudiosrc_get_type (void)
{
static GType sunaudiosrc_type = 0;
if (!sunaudiosrc_type) {
static const GTypeInfo sunaudiosrc_info = {
sizeof (GstSunAudioSrcClass),
gst_sunaudiosrc_base_init,
NULL,
(GClassInitFunc) gst_sunaudiosrc_class_init,
NULL,
NULL,
sizeof (GstSunAudioSrc),
0,
(GInstanceInitFunc) gst_sunaudiosrc_init,
};
sunaudiosrc_type = g_type_register_static (GST_TYPE_SUNAUDIOELEMENT,
"GstSunAudioSrc", &sunaudiosrc_info, 0);
}
return sunaudiosrc_type;
}
static void
gst_sunaudiosrc_base_init (gpointer g_class)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
gst_element_class_set_details (element_class, &gst_sunaudiosrc_details);
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&gst_sunaudiosrc_src_factory));
}
static void
gst_sunaudiosrc_class_init (GstSunAudioSrcClass * klass)
{
GObjectClass *gobject_class;
GstElementClass *gstelement_class;
gobject_class = (GObjectClass *) klass;
gstelement_class = (GstElementClass *) klass;
parent_class = g_type_class_ref (GST_TYPE_SUNAUDIOELEMENT);
gobject_class->set_property = gst_sunaudiosrc_set_property;
gobject_class->get_property = gst_sunaudiosrc_get_property;
gstelement_class->change_state = gst_sunaudiosrc_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_sunaudiosrc_init (GstSunAudioSrc * sunaudiosrc)
{
const char *audiodev;
sunaudiosrc->srcpad =
gst_pad_new_from_template (gst_static_pad_template_get
(&gst_sunaudiosrc_src_factory), "src");
gst_pad_set_get_function (sunaudiosrc->srcpad, gst_sunaudiosrc_get);
gst_pad_set_getcaps_function (sunaudiosrc->srcpad, gst_sunaudiosrc_getcaps);
gst_pad_set_link_function (sunaudiosrc->srcpad, gst_sunaudiosrc_pad_link);
gst_element_add_pad (GST_ELEMENT (sunaudiosrc), sunaudiosrc->srcpad);
sunaudiosrc->buffer_size = 64;
audiodev = g_getenv ("AUDIODEV");
if (audiodev == NULL)
audiodev = "/dev/audio";
sunaudiosrc->device = g_strdup (audiodev);
}
static void
gst_sunaudiosrc_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstSunAudioSrc *sunaudiosrc;
g_return_if_fail (GST_IS_SUNAUDIOSRC (object));
sunaudiosrc = GST_SUNAUDIOSRC (object);
switch (prop_id) {
case ARG_DEVICE:
if (gst_element_get_state (GST_ELEMENT (sunaudiosrc)) == GST_STATE_NULL) {
g_free (sunaudiosrc->device);
sunaudiosrc->device = g_strdup (g_value_get_string (value));
}
break;
case ARG_BUFFER_SIZE:
if (gst_element_get_state (GST_ELEMENT (sunaudiosrc)) == GST_STATE_NULL) {
sunaudiosrc->buffer_size = g_value_get_int (value);
}
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_sunaudiosrc_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec)
{
GstSunAudioSrc *sunaudiosrc;
g_return_if_fail (GST_IS_SUNAUDIOSRC (object));
sunaudiosrc = GST_SUNAUDIOSRC (object);
switch (prop_id) {
case ARG_DEVICE:
g_value_set_string (value, sunaudiosrc->device);
break;
case ARG_BUFFER_SIZE:
g_value_set_int (value, sunaudiosrc->buffer_size);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static gboolean
gst_sunaudiosrc_open (GstSunAudioSrc * sunaudiosrc)
{
int fd, ret;
fd = open ("/dev/audio", O_RDONLY);
if (fd == -1) {
/* FIXME error */
return FALSE;
} else {
sunaudiosrc->fd = fd;
}
ret = ioctl (fd, AUDIO_GETDEV, &sunaudiosrc->dev);
if (ret == -1) {
GST_ELEMENT_ERROR (sunaudiosrc, RESOURCE, SETTINGS, (NULL), ("%s",
strerror (errno)));
return FALSE;
}
GST_INFO ("name %s", sunaudiosrc->dev.name);
GST_INFO ("version %s", sunaudiosrc->dev.version);
GST_INFO ("config %s", sunaudiosrc->dev.config);
ret = ioctl (fd, AUDIO_GETINFO, &sunaudiosrc->info);
if (ret == -1) {
GST_ELEMENT_ERROR (sunaudiosrc, RESOURCE, SETTINGS, (NULL), ("%s",
strerror (errno)));
return FALSE;
}
return TRUE;
}
static void
gst_sunaudiosrc_close (GstSunAudioSrc * sunaudiosrc)
{
close (sunaudiosrc->fd);
}
static GstElementStateReturn
gst_sunaudiosrc_change_state (GstElement * element)
{
GstSunAudioSrc *sunaudiosrc = GST_SUNAUDIOSRC (element);
switch (GST_STATE_TRANSITION (element)) {
case GST_STATE_NULL_TO_READY:
//if (!gst_sunaudiosrc_open (sunaudiosrc)) {
//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_sunaudiosrc_close (sunaudiosrc);
break;
}
if (GST_ELEMENT_CLASS (parent_class)->change_state)
return GST_ELEMENT_CLASS (parent_class)->change_state (element);
return GST_STATE_SUCCESS;
}
static gboolean
gst_sunaudiosrc_negotiate (GstPad * pad)
{
GstSunAudioSrc *sunaudiosrc;
GstCaps *allowed;
sunaudiosrc = GST_SUNAUDIOSRC (gst_pad_get_parent (pad));
allowed = gst_pad_get_allowed_caps (pad);
if (gst_pad_try_set_caps (sunaudiosrc->srcpad,
gst_caps_new_simple ("audio/x-raw-int",
"width", G_TYPE_INT, sunaudiosrc->width,
"rate", G_TYPE_INT, sunaudiosrc->rate,
"channels", G_TYPE_INT, sunaudiosrc->channels, NULL)) <= 0) {
return FALSE;
}
return TRUE;
}
static GstData *
gst_sunaudiosrc_get (GstPad * pad)
{
GstBuffer *buf;
glong readbytes;
glong readsamples;
GstSunAudioSrc *sunaudiosrc = GST_SUNAUDIOSRC (gst_pad_get_parent (pad));
buf = gst_buffer_new_and_alloc (sunaudiosrc->buffer_size);
if (!GST_PAD_CAPS (pad)) {
/* nothing was negotiated, we can decide on a format */
if (!gst_sunaudiosrc_negotiate (pad)) {
gst_buffer_unref (buf);
GST_ELEMENT_ERROR (sunaudiosrc, CORE, NEGOTIATION, (NULL), (NULL));
return GST_DATA (gst_event_new (GST_EVENT_INTERRUPT));
}
}
readbytes =
read (GST_SUNAUDIOELEMENT (sunaudiosrc)->fd, GST_BUFFER_DATA (buf),
sunaudiosrc->buffer_size);
if (readbytes < 0) {
gst_buffer_unref (buf);
GST_ELEMENT_ERROR (sunaudiosrc, RESOURCE, READ, (NULL), GST_ERROR_SYSTEM);
return GST_DATA (gst_event_new (GST_EVENT_INTERRUPT));
}
if (readbytes == 0) {
gst_buffer_unref (buf);
gst_element_set_eos (GST_ELEMENT (sunaudiosrc));
return GST_DATA (gst_event_new (GST_EVENT_INTERRUPT));
}
readsamples = readbytes * sunaudiosrc->rate / 1; /* Pending bps */
GST_BUFFER_SIZE (buf) = readbytes;
GST_BUFFER_OFFSET (buf) = sunaudiosrc->curoffset;
GST_BUFFER_OFFSET_END (buf) = sunaudiosrc->curoffset + readsamples;
GST_BUFFER_DURATION (buf) = readsamples * GST_SECOND / sunaudiosrc->rate;
GST_BUFFER_TIMESTAMP (buf) = GST_CLOCK_TIME_NONE;
sunaudiosrc->curoffset += readsamples;
return GST_DATA (buf);
}
static GstCaps *
gst_sunaudiosrc_getcaps (GstPad * pad)
{
GstSunAudioSrc *sunaudiosrc = GST_SUNAUDIOSRC (gst_pad_get_parent (pad));
GstCaps *caps;
caps = gst_caps_copy (gst_pad_get_pad_template_caps (pad));
GST_DEBUG ("getcaps called on %" GST_PTR_FORMAT ", returning %"
GST_PTR_FORMAT, pad, caps);
return caps;
}
static GstPadLinkReturn
gst_sunaudiosrc_pad_link (GstPad * pad, const GstCaps * caps)
{
GstSunAudioSrc *sunaudiosrc = GST_SUNAUDIOSRC (gst_pad_get_parent (pad));
GstPadLinkReturn ret;
GstStructure *structure;
structure = gst_caps_get_structure (caps, 0);
gst_structure_get_int (structure, "rate", &sunaudiosrc->rate);
gst_structure_get_int (structure, "width", &sunaudiosrc->width);
gst_structure_get_int (structure, "channels", &sunaudiosrc->channels);
if (gst_sunaudiosrc_setparams (sunaudiosrc)) {
ret = GST_PAD_LINK_OK;
} else {
ret = GST_PAD_LINK_REFUSED;
}
GST_DEBUG ("pad_link called on %" GST_PTR_FORMAT " with caps %"
GST_PTR_FORMAT ", returning %d", pad, caps, ret);
return ret;
}
static gboolean
gst_sunaudiosrc_setparams (GstSunAudioSrc * sunaudiosrc)
{
audio_info_t ainfo;
int ret;
AUDIO_INITINFO (&ainfo);
ainfo.record.sample_rate = sunaudiosrc->rate;
ainfo.record.channels = sunaudiosrc->channels;
ainfo.record.precision = sunaudiosrc->width;
ainfo.record.encoding = AUDIO_ENCODING_LINEAR;
ainfo.record.port = AUDIO_MICROPHONE;
ainfo.record.buffer_size = sunaudiosrc->buffer_size;
//ainfo.output_muted = 0;
ret = ioctl (GST_SUNAUDIOELEMENT (sunaudiosrc)->fd, AUDIO_SETINFO, &ainfo);
if (ret == -1) {
GST_ELEMENT_ERROR (sunaudiosrc, RESOURCE, SETTINGS, (NULL), ("%s",
strerror (errno)));
return FALSE;
}
return TRUE;
}

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sys/sunaudio/gstsunaudiosrc.h Normal file
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@ -0,0 +1,74 @@
/* GStreamer
* Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
* 2000 Wim Taymans <wtay@chello.be>
*
* gstsunaudiosrc.h:
*
* 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_SUNAUDIO_SRC_H__
#define __GST_SUNAUDIO_SRC_H__
#include <gst/gst.h>
#include "gstsunelement.h"
G_BEGIN_DECLS
#define GST_TYPE_SUNAUDIOSRC \
(gst_sunaudiosrc_get_type())
#define GST_SUNAUDIOSRC(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_SUNAUDIOSRC,GstSunAudioSrc))
#define GST_SUNAUDIOSRC_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_SUNAUDIOSRC,GstSunAudioSrcClass))
#define GST_IS_SUNAUDIOSRC(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_SUNAUDIOSRC))
#define GST_IS_SUNAUDIOSRC_CLASS(obj) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_SUNAUDIOSRC))
struct _GstSunAudioSrc {
GstSunAudioElement element;
GstPad *srcpad;
char *device;
int fd;
audio_device_t dev;
audio_info_t info;
int rate;
int width;
int channels;
int buffer_size;
gulong curoffset;
};
struct _GstSunAudioSrcClass {
GstSunAudioElementClass parent_class;
};
typedef struct _GstSunAudioSrc GstSunAudioSrc;
typedef struct _GstSunAudioSrcClass GstSunAudioSrcClass;
GType gst_sunaudiosrc_get_type (void);
G_END_DECLS
#endif /* __GST_SUNAUDIO_SRC_H__ */