/* 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
"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",
"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);
static GstElementClass *parent_class = NULL;
-/*static guint gst_esdsink_signals[LAST_SIGNAL] = { 0 }; */
-
GType
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;
}
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);
-
- parent_class = g_type_class_peek_parent (g_class);
-
- 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
+ GObjectClass *gobject_class;
+ GstElementClass *gstelement_class;
+ GstBaseSinkClass *gstbasesink_class;
+ GstBaseAudioSinkClass *gstbaseaudiosink_class;
+ GstAudioSinkClass *gstaudiosink_class;
+
+ gobject_class = (GObjectClass *) klass;
+ gstelement_class = (GstElementClass *) klass;
+ gstbasesink_class = (GstBaseSinkClass *) klass;
+ gstbaseaudiosink_class = (GstBaseAudioSinkClass *) klass;
+ gstaudiosink_class = (GstAudioSinkClass *) klass;
+
+ 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;
+
+ 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;
+}
- g_return_val_if_fail (caps != NULL, GST_PAD_LINK_REFUSED);
- g_return_val_if_fail (pad != NULL, GST_PAD_LINK_REFUSED);
+#define IS_WRITABLE(caps) \
+ (g_atomic_int_get (&(caps)->refcount) == 1)
- esdsink = GST_ESDSINK (gst_pad_get_parent (pad));
+void
+gst_caps_set_each (GstCaps * caps, char *field, ...)
+{
+ GstStructure *structure;
+ va_list var_args;
+ int i;
- 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);
+ g_return_if_fail (GST_IS_CAPS (caps));
+ g_return_if_fail (IS_WRITABLE (caps));
- esdsink->bytes_per_sample = esdsink->channels * (esdsink->depth / 8);
+ va_start (var_args, field);
+ for (i = 0; i < caps->structs->len; i++) {
+ structure = gst_caps_get_structure (caps, i);
- 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;
- }
+ gst_structure_set_valist (structure, field, var_args);
}
- /* FIXME: is it supposed to be correct to have closed audio when caps nego
- failed? */
+ va_end (var_args);
+}
- GST_DEBUG ("esd link function could not negotiate, returning delayed");
- return GST_PAD_LINK_REFUSED;
+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;
}
-#endif
-static GstClockTime
-gst_esdsink_get_time (GstClock * clock, gpointer data)
+static gboolean
+gst_esdsink_open (GstAudioSink * asink, GstRingBufferSpec * spec)
{
- GstEsdsink *esdsink = GST_ESDSINK (data);
- GstClockTime res;
+ GstEsdSink *esdsink = GST_ESDSINK (asink);
- res = (esdsink->handled * GST_SECOND) / esdsink->frequency;
- //- GST_SECOND * 2;
+ /* Name used by esound for this connection. */
+ const char *connname = "GStreamer";
- return res;
-}
+ /* Bitmap describing audio format. */
+ esd_format_t esdformat = ESD_STREAM | ESD_PLAY;
-static GstClock *
-gst_esdsink_get_clock (GstElement * element)
-{
- GstEsdsink *esdsink;
+ if (spec->depth == 16)
+ esdformat |= ESD_BITS16;
+ else if (spec->depth == 8) {
+ esdformat |= ESD_BITS8;
+ }
- esdsink = GST_ESDSINK (element);
+ if (spec->channels == 2)
+ esdformat |= ESD_STEREO;
+ else if (spec->channels == 1) {
+ esdformat |= ESD_MONO;
+ }
+
+ 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 GST_CLOCK (esdsink->provided_clock);
+ return TRUE;
}
-static void
-gst_esdsink_set_clock (GstElement * element, GstClock * clock)
+static gboolean
+gst_esdsink_close (GstAudioSink * asink)
{
- GstEsdsink *esdsink;
+ GstEsdSink *esdsink = GST_ESDSINK (asink);
- esdsink = GST_ESDSINK (element);
+ if ((esdsink->fd < 0) && (esdsink->ctrl_fd < 0))
+ return TRUE;
+
+ close (esdsink->fd);
+ esdsink->fd = -1;
+ close (esdsink->ctrl_fd);
+ esdsink->ctrl_fd = -1;
- esdsink->clock = clock;
+ GST_INFO ("esdsink: closed sound device");
+ return TRUE;
}
-static void
-gst_esdsink_chain (GstPad * pad, GstData * _data)
-{
- GstBuffer *buf = GST_BUFFER (_data);
- GstEsdsink *esdsink;
- esdsink = GST_ESDSINK (gst_pad_get_parent (pad));
+static guint
+gst_esdsink_write (GstAudioSink * asink, gpointer data, guint length)
+{
+ GstEsdSink *esdsink = GST_ESDSINK (asink);
+ gint to_write = 0;
- if (!esdsink->negotiated) {
- GST_ELEMENT_ERROR (esdsink, CORE, NEGOTIATION, (NULL),
- ("element wasn't negotiated before chain function"));
- goto done;
- }
+ to_write = length;
- 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;
- }
+ while (to_write > 0) {
+ int done;
- 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;
- }
+ 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;
+}
- gst_audio_clock_update_time ((GstAudioClock *) esdsink->provided_clock,
- gst_esdsink_get_time (esdsink->provided_clock, esdsink));
+static guint
+gst_esdsink_delay (GstAudioSink * asink)
+{
+ GstEsdSink *esdsink = GST_ESDSINK (asink);
+ guint latency = esd_get_latency (esdsink->ctrl_fd);
-done:
- gst_buffer_unref (buf);
+ 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)
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;
}
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;
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;
-}
projects / platform / upstream / gst-plugins-good.git / commitdiff