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Ported esdsink plugin.

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Original commit message from CVS:
Ported esdsink plugin.
This commit is contained in:
Arwed v. Merkatz 2005-05-10 20:10:43 +00:00
parent 4eb7e48ab1
commit 1795f7782a
7 changed files with 263 additions and 393 deletions
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1
PORTED_09
View file

@ -8,6 +8,7 @@ aalib (wim)
libcaca (zeeshan)
law (wim)
shout2 (zaheer) - not fully tested
esdsink (arwed)
osssink is partially done in the threaded branch (wim)

13
configure.ac
View file

@ -420,6 +420,18 @@ GST_CHECK_FEATURE(MAD, [mad mp3 decoder], mad, [
])
AC_SUBST(MAD_LIBS)
dnl **** ESound ****
translit(dnm, m, l) AM_CONDITIONAL(USE_ESD, true)
GST_CHECK_FEATURE(ESD, [esound plug-ins], esdsink, [
PKG_CHECK_MODULES(ESD, esound >= 0.2.12, [
HAVE_ESD="yes"
AC_SUBST(ESD_CFLAGS)
AC_SUBST(ESD_LIBS)
], [
AM_PATH_ESD(0.2.12, HAVE_ESD="yes", HAVE_ESD="no")
AS_SCRUB_INCLUDE(ESD_CFLAGS)
])
])
AC_SUBST(GST_LIBS)
AC_SUBST(GST_CFLAGS)
@ -484,6 +496,7 @@ ext/libcaca/Makefile
ext/mad/Makefile
ext/shout2/Makefile
ext/sidplay/Makefile
ext/esd/Makefile
common/Makefile
common/m4/Makefile
m4/Makefile

10
ext/Makefile.am
View file

@ -94,11 +94,11 @@ endif
# DVDNAV_DIR=
# endif
# if USE_ESD
# ESD_DIR=esd
# else
# ESD_DIR=
# endif
if USE_ESD
ESD_DIR=esd
else
ESD_DIR=
endif
# if USE_FAAC
# FAAC_DIR=faac

4
ext/esd/Makefile.am
View file

@ -2,8 +2,8 @@
plugin_LTLIBRARIES = libgstesd.la
libgstesd_la_SOURCES = esdsink.c esdmon.c gstesd.c
libgstesd_la_CFLAGS = $(GST_CFLAGS) $(ESD_CFLAGS)
libgstesd_la_LIBADD = $(ESD_LIBS)
libgstesd_la_CFLAGS = $(GST_CFLAGS) $(ESD_CFLAGS) $(GST_PLUGINS_LIBS_CFLAGS)
libgstesd_la_LIBADD = $(ESD_LIBS) $(GST_PLUGINS_LIBS_LIBS) -lgstaudio-@GST_MAJORMINOR@
libgstesd_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
noinst_HEADERS = esdsink.h esdmon.h

582
ext/esd/esdsink.c
View file

@ -1,8 +1,10 @@
/* GStreamer
* Copyright (C) <2005> Arwed v. Merkatz <v.merkatz@gmx.net>
*
* Roughly based on the gstreamer 0.8 esdsink plugin:
* Copyright (C) <2001> Richard Boulton <richard-gst@tartarus.org>
*
* Based on example.c:
* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
* esdsink.c: an EsounD audio sink
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
@ -36,23 +38,13 @@ static GstElementDetails esdsink_details = {
"Esound audio sink",
"Sink/Audio",
"Plays audio to an esound server",
"Richard Boulton <richard-gst@tartarus.org>",
};
/* Signals and args */
enum
{
/* FILL ME */
LAST_SIGNAL
"Arwed von Merkatz <v.merkatz@gmx.net>",
};
enum
{
ARG_0,
ARG_MUTE,
ARG_HOST,
ARG_SYNC,
ARG_FALLBACK
ARG_HOST
};
static GstStaticPadTemplate sink_factory = GST_STATIC_PAD_TEMPLATE ("sink",
@ -62,22 +54,31 @@ static GstStaticPadTemplate sink_factory = GST_STATIC_PAD_TEMPLATE ("sink",
"endianness = (int) " G_STRINGIFY (G_BYTE_ORDER) ", "
"signed = (boolean) TRUE, "
"width = (int) 16, "
"depth = (int) 16, " "rate = 44100, " "channels = 2")
"depth = (int) 16, "
"rate = (int) [ 1, MAX ], "
"channels = (int) [ 1, 2 ]; "
"audio/x-raw-int, "
"signed = (boolean) { true, false }, "
"width = (int) 8, "
"depth = (int) 8, "
"rate = (int) [ 1, MAX ], " "channels = (int) [ 1, 2 ]")
);
static void gst_esdsink_base_init (gpointer g_class);
static void gst_esdsink_class_init (gpointer g_class, gpointer class_data);
static void gst_esdsink_init (GTypeInstance * instance, gpointer g_class);
static void gst_esdsink_finalize (GObject * object);
static void gst_esdsink_class_init (GstEsdSinkClass * klass);
static void gst_esdsink_init (GstEsdSink * esdsink);
static void gst_esdsink_dispose (GObject * object);
static gboolean gst_esdsink_open_audio (GstEsdsink * sink);
static void gst_esdsink_close_audio (GstEsdsink * sink);
static GstElementStateReturn gst_esdsink_change_state (GstElement * element);
static GstCaps *gst_esdsink_getcaps (GstBaseSink * bsink);
static GstClockTime gst_esdsink_get_time (GstClock * clock, gpointer data);
static GstClock *gst_esdsink_get_clock (GstElement * element);
static void gst_esdsink_set_clock (GstElement * element, GstClock * clock);
static void gst_esdsink_chain (GstPad * pad, GstData * _data);
static gboolean gst_esdsink_open (GstAudioSink * asink,
GstRingBufferSpec * spec);
static gboolean gst_esdsink_close (GstAudioSink * asink);
static guint gst_esdsink_write (GstAudioSink * asink, gpointer data,
guint length);
static guint gst_esdsink_delay (GstAudioSink * asink);
static void gst_esdsink_reset (GstAudioSink * asink);
static void gst_esdsink_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec);
@ -86,8 +87,6 @@ static void gst_esdsink_get_property (GObject * object, guint prop_id,
static GstElementClass *parent_class = NULL;
/*static guint gst_esdsink_signals[LAST_SIGNAL] = { 0 }; */
GType
gst_esdsink_get_type (void)
{
@ -95,19 +94,19 @@ gst_esdsink_get_type (void)
if (!esdsink_type) {
static const GTypeInfo esdsink_info = {
sizeof (GstEsdsinkClass),
sizeof (GstEsdSinkClass),
gst_esdsink_base_init,
NULL,
gst_esdsink_class_init,
(GClassInitFunc) gst_esdsink_class_init,
NULL,
NULL,
sizeof (GstEsdsink),
sizeof (GstEsdSink),
0,
gst_esdsink_init,
(GInstanceInitFunc) gst_esdsink_init,
};
esdsink_type =
g_type_register_static (GST_TYPE_ELEMENT, "GstEsdsink", &esdsink_info,
g_type_register_static (GST_TYPE_AUDIOSINK, "GstEsdSink", &esdsink_info,
0);
}
return esdsink_type;
@ -124,232 +123,235 @@ gst_esdsink_base_init (gpointer g_class)
}
static void
gst_esdsink_class_init (gpointer g_class, gpointer class_data)
gst_esdsink_class_init (GstEsdSinkClass * klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (g_class);
GstElementClass *gstelement_class = GST_ELEMENT_CLASS (g_class);
GObjectClass *gobject_class;
GstElementClass *gstelement_class;
GstBaseSinkClass *gstbasesink_class;
GstBaseAudioSinkClass *gstbaseaudiosink_class;
GstAudioSinkClass *gstaudiosink_class;
parent_class = g_type_class_peek_parent (g_class);
gobject_class = (GObjectClass *) klass;
gstelement_class = (GstElementClass *) klass;
gstbasesink_class = (GstBaseSinkClass *) klass;
gstbaseaudiosink_class = (GstBaseAudioSinkClass *) klass;
gstaudiosink_class = (GstAudioSinkClass *) klass;
g_object_class_install_property (gobject_class, ARG_MUTE, g_param_spec_boolean ("mute", "mute", "mute", TRUE, G_PARAM_READWRITE)); /* CHECKME */
g_object_class_install_property (gobject_class, ARG_HOST, g_param_spec_string ("host", "host", "host", NULL, G_PARAM_READWRITE)); /* CHECKME */
g_object_class_install_property (gobject_class, ARG_SYNC,
g_param_spec_boolean ("sync", "sync", "Synchronize output to clock",
TRUE, G_PARAM_READWRITE));
#if 0
/* This option is disabled because it is dumb in GStreamer's architecture. */
g_object_class_install_property (gobject_class, ARG_FALLBACK,
g_param_spec_boolean ("fallback", "fallback",
"Fall back to using OSS if Esound daemon is not present", FALSE,
G_PARAM_READWRITE));
#endif
parent_class = g_type_class_ref (GST_TYPE_BASEAUDIOSINK);
gobject_class->dispose = gst_esdsink_dispose;
gstelement_class->change_state = GST_DEBUG_FUNCPTR (gst_esdsink_change_state);
gstbasesink_class->get_caps = GST_DEBUG_FUNCPTR (gst_esdsink_getcaps);
gstaudiosink_class->open = GST_DEBUG_FUNCPTR (gst_esdsink_open);
gstaudiosink_class->close = GST_DEBUG_FUNCPTR (gst_esdsink_close);
gstaudiosink_class->write = GST_DEBUG_FUNCPTR (gst_esdsink_write);
gstaudiosink_class->delay = GST_DEBUG_FUNCPTR (gst_esdsink_delay);
gstaudiosink_class->reset = GST_DEBUG_FUNCPTR (gst_esdsink_reset);
gobject_class->set_property = gst_esdsink_set_property;
gobject_class->get_property = gst_esdsink_get_property;
gobject_class->finalize = gst_esdsink_finalize;
gstelement_class->change_state = gst_esdsink_change_state;
gstelement_class->set_clock = gst_esdsink_set_clock;
gstelement_class->get_clock = gst_esdsink_get_clock;
g_object_class_install_property (gobject_class, ARG_HOST,
g_param_spec_string ("host", "host", "host", NULL, G_PARAM_READWRITE));
}
static void
gst_esdsink_init (GTypeInstance * instance, gpointer g_class)
gst_esdsink_init (GstEsdSink * esdsink)
{
GstEsdsink *esdsink = GST_ESDSINK (instance);
esdsink->sinkpad =
gst_pad_new_from_template (gst_element_class_get_pad_template
(GST_ELEMENT_GET_CLASS (instance), "sink"), "sink");
gst_element_add_pad (GST_ELEMENT (esdsink), esdsink->sinkpad);
gst_pad_set_chain_function (esdsink->sinkpad,
GST_DEBUG_FUNCPTR (gst_esdsink_chain));
GST_FLAG_SET (esdsink, GST_ELEMENT_EVENT_AWARE);
esdsink->mute = FALSE;
esdsink->fd = -1;
/* FIXME: get default from somewhere better than just putting them inline. */
/*esdsink->negotiated = FALSE; */
/* we have static caps on our template, so it always is negotiated */
esdsink->negotiated = TRUE;
esdsink->format = 16;
esdsink->depth = 16;
esdsink->channels = 2;
esdsink->frequency = 44100;
esdsink->bytes_per_sample = esdsink->channels * (esdsink->depth / 8);
esdsink->ctrl_fd = -1;
esdsink->host = g_strdup (getenv ("ESPEAKER"));
esdsink->provided_clock =
gst_audio_clock_new ("esdclock", gst_esdsink_get_time, esdsink);
gst_object_set_parent (GST_OBJECT (esdsink->provided_clock),
GST_OBJECT (esdsink));
esdsink->sync = TRUE;
esdsink->fallback = FALSE;
esdsink->link_open = FALSE;
}
static void
gst_esdsink_finalize (GObject * object)
gst_esdsink_dispose (GObject * object)
{
GstEsdsink *esdsink = GST_ESDSINK (object);
GstEsdSink *esdsink = GST_ESDSINK (object);
g_free (esdsink->host);
G_OBJECT_CLASS (parent_class)->finalize (object);
G_OBJECT_CLASS (parent_class)->dispose (object);
}
#ifdef unused
static GstPadLinkReturn
gst_esdsink_link (GstPad * pad, const GstCaps * caps)
static GstElementStateReturn
gst_esdsink_change_state (GstElement * element)
{
GstEsdsink *esdsink;
GstStructure *structure;
GstEsdSink *esdsink = GST_ESDSINK (element);
GstElementState transition = GST_STATE_TRANSITION (element);
GstElementStateReturn ret = GST_STATE_SUCCESS;
g_return_val_if_fail (caps != NULL, GST_PAD_LINK_REFUSED);
g_return_val_if_fail (pad != NULL, GST_PAD_LINK_REFUSED);
esdsink = GST_ESDSINK (gst_pad_get_parent (pad));
structure = gst_caps_get_structure (caps, 0);
gst_structure_get_int (structure, "depth", &esdsink->depth);
gst_structure_get_int (structure, "channels", &esdsink->channels);
gst_structure_get_int (structure, "rate", &esdsink->frequency);
esdsink->bytes_per_sample = esdsink->channels * (esdsink->depth / 8);
if (esdsink->link_open) {
gst_esdsink_close_audio (esdsink);
if (gst_esdsink_open_audio (esdsink)) {
esdsink->negotiated = TRUE;
esdsink->link_open = TRUE;
return GST_PAD_LINK_OK;
}
}
/* FIXME: is it supposed to be correct to have closed audio when caps nego
failed? */
GST_DEBUG ("esd link function could not negotiate, returning delayed");
return GST_PAD_LINK_REFUSED;
}
#endif
static GstClockTime
gst_esdsink_get_time (GstClock * clock, gpointer data)
{
GstEsdsink *esdsink = GST_ESDSINK (data);
GstClockTime res;
res = (esdsink->handled * GST_SECOND) / esdsink->frequency;
//- GST_SECOND * 2;
return res;
}
static GstClock *
gst_esdsink_get_clock (GstElement * element)
{
GstEsdsink *esdsink;
esdsink = GST_ESDSINK (element);
return GST_CLOCK (esdsink->provided_clock);
}
static void
gst_esdsink_set_clock (GstElement * element, GstClock * clock)
{
GstEsdsink *esdsink;
esdsink = GST_ESDSINK (element);
esdsink->clock = clock;
}
static void
gst_esdsink_chain (GstPad * pad, GstData * _data)
{
GstBuffer *buf = GST_BUFFER (_data);
GstEsdsink *esdsink;
esdsink = GST_ESDSINK (gst_pad_get_parent (pad));
if (!esdsink->negotiated) {
GST_ELEMENT_ERROR (esdsink, CORE, NEGOTIATION, (NULL),
("element wasn't negotiated before chain function"));
goto done;
}
if (GST_IS_EVENT (buf)) {
GstEvent *event = GST_EVENT (buf);
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_EOS:
gst_audio_clock_set_active (GST_AUDIO_CLOCK (esdsink->provided_clock),
FALSE);
gst_pad_event_default (pad, event);
return;
default:
gst_pad_event_default (pad, event);
return;
}
gst_event_unref (event);
return;
}
if (GST_BUFFER_DATA (buf) != NULL) {
if (!esdsink->mute && esdsink->fd >= 0) {
guchar *data = GST_BUFFER_DATA (buf);
gint size = GST_BUFFER_SIZE (buf);
gint to_write = 0;
to_write = size;
GST_LOG ("fd=%d data=%p size=%d",
esdsink->fd, GST_BUFFER_DATA (buf), GST_BUFFER_SIZE (buf));
while (to_write > 0) {
int done;
done = write (esdsink->fd, data, to_write);
if (done < 0) {
if (errno == EINTR) {
goto done;
}
/* connection closed? */
GST_ELEMENT_ERROR (esdsink, RESOURCE, WRITE,
("Failed to write data to the esound daemon"), GST_ERROR_SYSTEM);
return;
}
to_write -= done;
data += done;
esdsink->handled += done / esdsink->bytes_per_sample;
switch (transition) {
case GST_STATE_NULL_TO_READY:
GST_INFO ("attempting to open control connection to esound server");
esdsink->ctrl_fd = esd_open_sound (esdsink->host);
if (esdsink->ctrl_fd < 0) {
GST_ELEMENT_ERROR (esdsink, RESOURCE, OPEN_WRITE, (NULL),
("can't open connection to esound server"));
ret = GST_STATE_FAILURE;
}
break;
default:
break;
}
if (ret == GST_STATE_SUCCESS)
ret = GST_ELEMENT_CLASS (parent_class)->change_state (element);
return ret;
}
}
#define IS_WRITABLE(caps) \
(g_atomic_int_get (&(caps)->refcount) == 1)
void
gst_caps_set_each (GstCaps * caps, char *field, ...)
{
GstStructure *structure;
va_list var_args;
int i;
g_return_if_fail (GST_IS_CAPS (caps));
g_return_if_fail (IS_WRITABLE (caps));
va_start (var_args, field);
for (i = 0; i < caps->structs->len; i++) {
structure = gst_caps_get_structure (caps, i);
gst_structure_set_valist (structure, field, var_args);
}
va_end (var_args);
}
static GstCaps *
gst_esdsink_getcaps (GstBaseSink * bsink)
{
GST_DEBUG ("getcaps called");
esd_server_info_t *server_info;
GstCaps *caps = NULL;
GstEsdSink *esdsink = GST_ESDSINK (bsink);
esdsink->ctrl_fd = esd_open_sound (esdsink->host);
if (esdsink->ctrl_fd < 0)
return NULL;
server_info = esd_get_server_info (esdsink->ctrl_fd);
if (server_info) {
GST_DEBUG ("got server info rate: %i", server_info->rate);
GstPadTemplate *pad_template;
pad_template = gst_static_pad_template_get (&sink_factory);
caps = gst_caps_copy (gst_pad_template_get_caps (pad_template));
gst_caps_set_each (caps, "rate", G_TYPE_INT, server_info->rate, NULL);
free (server_info);
return caps;
}
return NULL;
}
static gboolean
gst_esdsink_open (GstAudioSink * asink, GstRingBufferSpec * spec)
{
GstEsdSink *esdsink = GST_ESDSINK (asink);
/* Name used by esound for this connection. */
const char *connname = "GStreamer";
/* Bitmap describing audio format. */
esd_format_t esdformat = ESD_STREAM | ESD_PLAY;
if (spec->depth == 16)
esdformat |= ESD_BITS16;
else if (spec->depth == 8) {
esdformat |= ESD_BITS8;
}
gst_audio_clock_update_time ((GstAudioClock *) esdsink->provided_clock,
gst_esdsink_get_time (esdsink->provided_clock, esdsink));
if (spec->channels == 2)
esdformat |= ESD_STEREO;
else if (spec->channels == 1) {
esdformat |= ESD_MONO;
}
done:
gst_buffer_unref (buf);
GST_INFO ("attempting to open data connection to esound server");
esdsink->fd =
esd_play_stream (esdformat, spec->rate, esdsink->host, connname);
if ((esdsink->fd < 0) || (esdsink->ctrl_fd < 0)) {
GST_ELEMENT_ERROR (esdsink, RESOURCE, OPEN_WRITE, (NULL),
("can't open connection to esound server"));
return FALSE;
}
GST_INFO ("successfully opened connection to esound server");
return TRUE;
}
static gboolean
gst_esdsink_close (GstAudioSink * asink)
{
GstEsdSink *esdsink = GST_ESDSINK (asink);
if ((esdsink->fd < 0) && (esdsink->ctrl_fd < 0))
return TRUE;
close (esdsink->fd);
esdsink->fd = -1;
close (esdsink->ctrl_fd);
esdsink->ctrl_fd = -1;
GST_INFO ("esdsink: closed sound device");
return TRUE;
}
static guint
gst_esdsink_write (GstAudioSink * asink, gpointer data, guint length)
{
GstEsdSink *esdsink = GST_ESDSINK (asink);
gint to_write = 0;
to_write = length;
while (to_write > 0) {
int done;
done = write (esdsink->fd, data, to_write);
if (done < 0) {
GST_ELEMENT_ERROR (esdsink, RESOURCE, WRITE,
("Failed to write data to the esound daemon"), GST_ERROR_SYSTEM);
return 0;
}
to_write -= done;
data += done;
}
return length;
}
static guint
gst_esdsink_delay (GstAudioSink * asink)
{
GstEsdSink *esdsink = GST_ESDSINK (asink);
guint latency = esd_get_latency (esdsink->ctrl_fd);
GST_DEBUG ("got latency: %u", latency);
return latency;
}
static void
gst_esdsink_reset (GstAudioSink * asink)
{
GST_DEBUG ("reset called");
}
static void
gst_esdsink_set_property (GObject * object, guint prop_id, const GValue * value,
GParamSpec * pspec)
{
GstEsdsink *esdsink;
/* it's not null if we got it, but it might not be ours */
g_return_if_fail (GST_IS_ESDSINK (object));
esdsink = GST_ESDSINK (object);
GstEsdSink *esdsink = GST_ESDSINK (object);
switch (prop_id) {
case ARG_MUTE:
esdsink->mute = g_value_get_boolean (value);
break;
case ARG_HOST:
g_free (esdsink->host);
if (g_value_get_string (value) == NULL)
@ -357,12 +359,6 @@ gst_esdsink_set_property (GObject * object, guint prop_id, const GValue * value,
else
esdsink->host = g_strdup (g_value_get_string (value));
break;
case ARG_SYNC:
esdsink->sync = g_value_get_boolean (value);
break;
case ARG_FALLBACK:
esdsink->fallback = g_value_get_boolean (value);
break;
default:
break;
}
@ -372,23 +368,12 @@ static void
gst_esdsink_get_property (GObject * object, guint prop_id, GValue * value,
GParamSpec * pspec)
{
GstEsdsink *esdsink;
esdsink = GST_ESDSINK (object);
GstEsdSink *esdsink = GST_ESDSINK (object);
switch (prop_id) {
case ARG_MUTE:
g_value_set_boolean (value, esdsink->mute);
break;
case ARG_HOST:
g_value_set_string (value, esdsink->host);
break;
case ARG_SYNC:
g_value_set_boolean (value, esdsink->sync);
break;
case ARG_FALLBACK:
g_value_set_boolean (value, esdsink->fallback);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
@ -404,124 +389,3 @@ gst_esdsink_factory_init (GstPlugin * plugin)
return TRUE;
}
static gboolean
gst_esdsink_open_audio (GstEsdsink * sink)
{
/* Name used by esound for this connection. */
const char *connname = "GStreamer";
/* Bitmap describing audio format. */
esd_format_t esdformat = ESD_STREAM | ESD_PLAY;
g_return_val_if_fail (sink->fd == -1, FALSE);
if (sink->depth == 16)
esdformat |= ESD_BITS16;
else if (sink->depth == 8)
esdformat |= ESD_BITS8;
else {
GST_ELEMENT_ERROR (sink, STREAM, FORMAT, (NULL),
("invalid bit depth (%d)", sink->depth));
return FALSE;
}
if (sink->channels == 2)
esdformat |= ESD_STEREO;
else if (sink->channels == 1)
esdformat |= ESD_MONO;
else {
GST_ELEMENT_ERROR (sink, STREAM, FORMAT, (NULL),
("invalid number of channels (%d)", sink->channels));
return FALSE;
}
GST_INFO ("attempting to open connection to esound server");
if (sink->fallback) {
sink->fd =
esd_play_stream_fallback (esdformat, sink->frequency, sink->host,
connname);
} else {
sink->fd =
esd_play_stream (esdformat, sink->frequency, sink->host, connname);
}
if (sink->fd < 0) {
GST_ELEMENT_ERROR (sink, RESOURCE, OPEN_WRITE, (NULL),
("can't open connection to esound server"));
return FALSE;
}
GST_INFO ("successfully opened connection to esound server");
return TRUE;
}
static void
gst_esdsink_close_audio (GstEsdsink * sink)
{
if (sink->fd < 0)
return;
close (sink->fd);
sink->fd = -1;
GST_INFO ("esdsink: closed sound device");
}
static GstElementStateReturn
gst_esdsink_change_state (GstElement * element)
{
GstEsdsink *esdsink;
esdsink = GST_ESDSINK (element);
switch (GST_STATE_TRANSITION (element)) {
case GST_STATE_NULL_TO_READY:
break;
case GST_STATE_READY_TO_PAUSED:
/* Open and close the link to test it's available */
if (!esdsink->link_open) {
if (!gst_esdsink_open_audio (GST_ESDSINK (element))) {
return GST_STATE_FAILURE;
}
gst_esdsink_close_audio (GST_ESDSINK (element));
}
break;
case GST_STATE_PAUSED_TO_PLAYING:
if (!esdsink->link_open) {
if (!gst_esdsink_open_audio (GST_ESDSINK (element))) {
return GST_STATE_FAILURE;
}
esdsink->link_open = TRUE;
}
gst_audio_clock_set_active (GST_AUDIO_CLOCK (esdsink->provided_clock),
TRUE);
break;
case GST_STATE_PLAYING_TO_PAUSED:
gst_audio_clock_set_active (GST_AUDIO_CLOCK (esdsink->provided_clock),
FALSE);
if (esdsink->link_open) {
gst_esdsink_close_audio (GST_ESDSINK (element));
esdsink->link_open = FALSE;
}
esdsink->resync = TRUE;
break;
case GST_STATE_PAUSED_TO_READY:
/* Make doubly sure we don't leave our esd connection open
* or we'll block the other users
*/
if (esdsink->link_open) {
gst_esdsink_close_audio (GST_ESDSINK (element));
esdsink->link_open = FALSE;
}
break;
case GST_STATE_READY_TO_NULL:
break;
default:
break;
}
if (GST_ELEMENT_CLASS (parent_class)->change_state)
return GST_ELEMENT_CLASS (parent_class)->change_state (element);
return GST_STATE_SUCCESS;
}

40
ext/esd/esdsink.h
View file

@ -1,5 +1,7 @@
/* GStreamer
* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
* Copyright (C) <2005> Arwed v. Merkatz <v.merkatz@gmx.net>
*
* esdsink.h: an EsounD audio sink
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
@ -22,50 +24,34 @@
#define __GST_ESDSINK_H__
#include <gst/gst.h>
#include <gst/audio/audioclock.h>
#include <gst/audio/gstaudiosink.h>
G_BEGIN_DECLS
#define GST_TYPE_ESDSINK \
(gst_esdsink_get_type())
#define GST_ESDSINK(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_ESDSINK,GstEsdsink))
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_ESDSINK,GstEsdSink))
#define GST_ESDSINK_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_ESDSINK,GstEsdsinkClass))
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_ESDSINK,GstEsdSinkClass))
#define GST_IS_ESDSINK(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_ESDSINK))
#define GST_IS_ESDSINK_CLASS(obj) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_ESDSINK))
typedef struct _GstEsdsink GstEsdsink;
typedef struct _GstEsdsinkClass GstEsdsinkClass;
typedef struct _GstEsdSink GstEsdSink;
typedef struct _GstEsdSinkClass GstEsdSinkClass;
struct _GstEsdsink {
GstElement element;
struct _GstEsdSink {
GstAudioSink sink;
GstPad *sinkpad;
GstClock *provided_clock;
GstClock *clock;
gboolean mute;
int fd;
gint format;
gint depth;
gint channels;
gint frequency;
gboolean negotiated;
int ctrl_fd;
gchar *host;
int handled;
int bytes_per_sample;
gboolean link_open;
gboolean sync;
gboolean resync;
gboolean fallback;
};
struct _GstEsdsinkClass {
GstElementClass parent_class;
struct _GstEsdSinkClass {
GstAudioSinkClass parent_class;
};
GType gst_esdsink_get_type(void);

6
ext/esd/gstesd.c
View file

@ -22,7 +22,9 @@
#include "config.h"
#endif
#include "esdsink.h"
#if 0
#include "esdmon.h"
#endif
GST_DEBUG_CATEGORY (esd_debug);
@ -31,16 +33,20 @@ plugin_init (GstPlugin * plugin)
{
gboolean ret;
#if 0
if (!gst_library_load ("gstaudio"))
return FALSE;
#endif
ret = gst_esdsink_factory_init (plugin);
if (ret == FALSE)
return FALSE;
#if 0
ret = gst_esdmon_factory_init (plugin);
if (ret == FALSE)
return FALSE;
#endif
GST_DEBUG_CATEGORY_INIT (esd_debug, "esd", 0, "ESounD elements");
return TRUE;