+++ /dev/null
-/* 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.
- */
-
-/*
- * Portions derived from maswavplay.c (distributed under the X11
- * license):
- *
- * Copyright (c) 2001-2003 Shiman Associates Inc. All Rights Reserved.
- * Copyright (c) 2000, 2001 by Shiman Associates Inc. and Sun
- * Microsystems, Inc. All Rights Reserved.
- */
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-#include "massink.h"
-
-#define BUFFER_SIZE 640
-
-
-/* Signals and args */
-enum {
- /* FILL ME */
- LAST_SIGNAL
-};
-
-enum {
- ARG_0,
- ARG_MUTE,
- ARG_DEPTH,
- ARG_CHANNELS,
- ARG_RATE,
- ARG_HOST,
-};
-
-static GstStaticPadTemplate sink_factory =
-GST_STATIC_PAD_TEMPLATE (
- "sink",
- GST_PAD_SINK,
- GST_PAD_ALWAYS,
- GST_STATIC_CAPS ("audio/x-raw-int")
-);
-
-static void gst_massink_base_init (gpointer g_class);
-static void gst_massink_class_init (GstMassinkClass *klass);
-static void gst_massink_init (GstMassink *massink);
-static void gst_massink_set_clock (GstElement *element, GstClock *clock);
-static gboolean gst_massink_open_audio (GstMassink *sink);
-//static void gst_massink_close_audio (GstMassink *sink);
-static GstElementStateReturn gst_massink_change_state (GstElement *element);
-static gboolean gst_massink_sync_parms (GstMassink *massink);
-static GstPadLinkReturn gst_massink_sinkconnect (GstPad *pad, const GstCaps *caps);
-
-static void gst_massink_chain (GstPad *pad, GstData *_data);
-
-static void gst_massink_set_property (GObject *object, guint prop_id,
- const GValue *value, GParamSpec *pspec);
-static void gst_massink_get_property (GObject *object, guint prop_id,
- GValue *value, GParamSpec *pspec);
-
-#define GST_TYPE_MASSINK_DEPTHS (gst_massink_depths_get_type())
-static GType
-gst_massink_depths_get_type (void)
-{
- static GType massink_depths_type = 0;
- static GEnumValue massink_depths[] = {
- {8, "8", "8 Bits"},
- {16, "16", "16 Bits"},
- {0, NULL, NULL},
- };
- if (!massink_depths_type) {
- massink_depths_type = g_enum_register_static("GstMassinkDepths", massink_depths);
- }
- return massink_depths_type;
-}
-
-static GstElementClass *parent_class = NULL;
-/*static guint gst_massink_signals[LAST_SIGNAL] = { 0 }; */
-
-GType
-gst_massink_get_type (void)
-{
- static GType massink_type = 0;
-
- if (!massink_type) {
- static const GTypeInfo massink_info = {
- sizeof(GstMassinkClass),
- gst_massink_base_init,
- NULL,
- (GClassInitFunc)gst_massink_class_init,
- NULL,
- NULL,
- sizeof(GstMassink),
- 0,
- (GInstanceInitFunc)gst_massink_init,
- };
- massink_type = g_type_register_static(GST_TYPE_ELEMENT, "GstMassink", &massink_info, 0);
- }
- return massink_type;
-}
-
-static void
-gst_massink_base_init (gpointer g_class)
-{
- static GstElementDetails massink_details = GST_ELEMENT_DETAILS (
- "Esound audio sink",
- "Sink/Audio",
- "Plays audio to a MAS server",
- "Zeeshan Ali <zak147@yahoo.com>"
- );
- GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
-
- gst_element_class_add_pad_template (element_class,
- gst_static_pad_template_get (&sink_factory));
- gst_element_class_set_details (element_class, &massink_details);
-}
-
-static void
-gst_massink_class_init (GstMassinkClass *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_MASSINK_DEPTHS,16,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_HOST,
- g_param_spec_string("host","host","host",
- NULL, G_PARAM_READWRITE)); /* CHECKME */
-
- gobject_class->set_property = gst_massink_set_property;
- gobject_class->get_property = gst_massink_get_property;
-
- gstelement_class->change_state = gst_massink_change_state;
- gstelement_class->set_clock = gst_massink_set_clock;
-}
-
-static void
-gst_massink_set_clock (GstElement *element, GstClock *clock)
-{
- GstMassink *massink;
-
- massink = GST_MASSINK (element);
-
- massink->clock = clock;
-}
-
-static void
-gst_massink_init(GstMassink *massink)
-{
- massink->sinkpad = gst_pad_new_from_template (
- gst_static_pad_template_get (&sink_factory), "sink");
- gst_element_add_pad(GST_ELEMENT(massink), massink->sinkpad);
- gst_pad_set_chain_function(massink->sinkpad, GST_DEBUG_FUNCPTR(gst_massink_chain));
- gst_pad_set_link_function(massink->sinkpad, gst_massink_sinkconnect);
-
- massink->mute = FALSE;
- massink->format = 16;
- massink->depth = 16;
- massink->channels = 2;
- massink->frequency = 44100;
- massink->host = NULL;
-}
-
-static gboolean
-gst_massink_sync_parms (GstMassink *massink)
-{
- g_return_val_if_fail (massink != NULL, FALSE);
- g_return_val_if_fail (GST_IS_MASSINK (massink), FALSE);
-
- //gst_massink_close_audio (massink);
- //return gst_massink_open_audio (massink);
- return 1;
-}
-
-static GstPadLinkReturn
-gst_massink_sinkconnect (GstPad *pad, const GstCaps *caps)
-{
- GstMassink *massink;
-
- massink = GST_MASSINK (gst_pad_get_parent (pad));
-
- if (gst_massink_sync_parms (massink))
- return GST_PAD_LINK_OK;
-
- return GST_PAD_LINK_REFUSED;
-}
-
-static void
-gst_massink_chain (GstPad *pad, GstData *_data)
-{
- GstBuffer *buf = GST_BUFFER (_data);
- gint32 err;
-
- g_return_if_fail(pad != NULL);
- g_return_if_fail(GST_IS_PAD(pad));
- g_return_if_fail(buf != NULL);
-
- GstMassink *massink = GST_MASSINK (gst_pad_get_parent (pad));
-
- if (massink->clock && GST_BUFFER_TIMESTAMP_IS_VALID (buf)) {
- GST_DEBUG ("massink: clock wait: %llu\n", GST_BUFFER_TIMESTAMP (buf));
- gst_element_wait (GST_ELEMENT (massink), GST_BUFFER_TIMESTAMP (buf));
- }
-
- if (GST_BUFFER_DATA (buf) != NULL) {
- if (!massink->mute) {
- GST_DEBUG ("massink: data=%p size=%d", GST_BUFFER_DATA (buf), GST_BUFFER_SIZE (buf));
- if (GST_BUFFER_SIZE (buf) > BUFFER_SIZE) {
- gst_buffer_unref (buf);
- return;
- }
-
- massink->data->length = GST_BUFFER_SIZE (buf);
-
- memcpy (massink->data->segment, GST_BUFFER_DATA (buf), GST_BUFFER_SIZE (buf));
-
- err = mas_send (massink->audio_channel, massink->data);
-
- if (err < 0) {
- g_print ("error sending data to MAS server\n");
- gst_buffer_unref (buf);
- return;
- }
-
- /* FIXME: Please correct the Timestamping if its wrong */
- massink->data->header.media_timestamp += massink->data->length / 4;
- massink->data->header.sequence++;
- }
- }
-
- gst_buffer_unref (buf);
-}
-
-static void
-gst_massink_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec)
-{
- GstMassink *massink;
-
- /* it's not null if we got it, but it might not be ours */
- g_return_if_fail(GST_IS_MASSINK(object));
- massink = GST_MASSINK(object);
-
- switch (prop_id) {
- case ARG_MUTE:
- massink->mute = g_value_get_boolean (value);
- break;
- case ARG_DEPTH:
- massink->depth = g_value_get_enum (value);
- gst_massink_sync_parms (massink);
- break;
- case ARG_CHANNELS:
- massink->channels = g_value_get_enum (value);
- gst_massink_sync_parms (massink);
- break;
- case ARG_RATE:
- massink->frequency = g_value_get_int (value);
- gst_massink_sync_parms (massink);
- break;
- case ARG_HOST:
- if (massink->host != NULL) g_free(massink->host);
- if (g_value_get_string (value) == NULL)
- massink->host = NULL;
- else
- massink->host = g_strdup (g_value_get_string (value));
- break;
- default:
- break;
- }
-}
-
-static void
-gst_massink_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec)
-{
- GstMassink *massink;
-
- /* it's not null if we got it, but it might not be ours */
- g_return_if_fail(GST_IS_MASSINK(object));
- massink = GST_MASSINK(object);
-
- switch (prop_id) {
- case ARG_MUTE:
- g_value_set_boolean (value, massink->mute);
- break;
- case ARG_DEPTH:
- g_value_set_enum (value, massink->depth);
- break;
- case ARG_CHANNELS:
- g_value_set_enum (value, massink->channels);
- break;
- case ARG_RATE:
- g_value_set_int (value, massink->frequency);
- break;
- case ARG_HOST:
- g_value_set_string (value, massink->host);
- break;
- default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
- break;
- }
-}
-
-static gboolean
-plugin_init (GstPlugin *plugin)
-{
- if (!gst_element_register (plugin, "massink", GST_RANK_NONE,
- GST_TYPE_MASSINK)){
- return FALSE;
- }
-
- return TRUE;
-}
-
-GST_PLUGIN_DEFINE (
- GST_VERSION_MAJOR,
- GST_VERSION_MINOR,
- "massink",
- "uses MAS for audio output",
- plugin_init,
- VERSION,
- "LGPL",
- GST_PACKAGE,
- GST_ORIGIN
-);
-
-static gboolean
-gst_massink_open_audio (GstMassink *massink)
-{
- gint32 err;
- char *ratestring = g_malloc (16);
- char *bps = g_malloc (8);
-
- struct mas_data_characteristic* dc;
-
- g_print ("Connecting to MAS.\n");
- masc_log_verbosity (MAS_VERBLVL_DEBUG);
- err = mas_init();
-
- if (err < 0) {
- GST_DEBUG ("connection with local MAS server failed.");
- exit (1);
- }
-
- GST_DEBUG ("Establishing audio output channel.");
- mas_make_data_channel ("Gstreamer", &massink->audio_channel, &massink->audio_source, &massink->audio_sink);
- mas_asm_get_port_by_name (0, "default_mix_sink", &massink->mix_sink);
-
- GST_DEBUG ("Instantiating endian device.");
- err = mas_asm_instantiate_device ("endian", 0, 0, &massink->endian);
-
- if (err < 0) {
- GST_DEBUG ("Failed to instantiate endian converter device");
- exit(1);
- }
-
- mas_asm_get_port_by_name (massink->endian, "endian_sink", &massink->endian_sink);
- mas_asm_get_port_by_name (massink->endian, "endian_source", &massink->endian_source);
-
- sprintf (bps, "%u", massink->depth);
- sprintf (ratestring, "%u", massink->frequency);
-
- GST_DEBUG ("Connecting net -> endian.");
- masc_make_dc (&dc, 6);
-
- /* wav weirdness: 8 bit data is unsigned, >8 data is signed. */
- masc_append_dc_key_value (dc, "format", (massink->depth==8) ? "ulinear":"linear");
- masc_append_dc_key_value (dc, "resolution", bps);
- masc_append_dc_key_value (dc, "sampling rate", ratestring);
- masc_append_dc_key_value (dc, "channels", "2");
- masc_append_dc_key_value (dc, "endian", "little");
- err = mas_asm_connect_source_sink (massink->audio_source, massink->endian_sink, dc);
-
- if ( err < 0 ) {
- GST_DEBUG ("Failed to connect net audio output to endian");
- return -1;
- }
-
- /* The next device is 'if needed' only. After the following if()
- statement, open_source will contain the current unconnected
- source in the path (will be either endian_source or
- squant_source in this case)
- */
-
- massink->open_source = massink->endian_source;
-
- if (massink->depth != 16) {
- GST_DEBUG ("Sample resolution is not 16 bit/sample, instantiating squant device.");
- err = mas_asm_instantiate_device ("squant", 0, 0, &massink->squant);
- if (err < 0) {
- GST_DEBUG ("Failed to instantiate squant device");
- return -1;
- }
-
- mas_asm_get_port_by_name (massink->squant, "squant_sink", &massink->squant_sink);
- mas_asm_get_port_by_name (massink->squant, "squant_source", &massink->squant_source);
-
- GST_DEBUG ("Connecting endian -> squant.");
-
- masc_make_dc (&dc, 6);
- masc_append_dc_key_value (dc,"format",(massink->depth==8) ? "ulinear":"linear");
- masc_append_dc_key_value (dc, "resolution", bps);
- masc_append_dc_key_value (dc, "sampling rate", ratestring);
- masc_append_dc_key_value (dc, "channels", "2");
- masc_append_dc_key_value (dc, "endian", "host");
- err = mas_asm_connect_source_sink (massink->endian_source, massink->squant_sink, dc);
-
- if (err < 0) {
- GST_DEBUG ("Failed to connect endian output to squant");
- return -1;
- }
-
- /* sneaky: the squant device is optional -> pretend it isn't there */
- massink->open_source = massink->squant_source;
- }
-
-
- /* Another 'if necessary' device, as above */
- if (massink->frequency != 44100) {
- GST_DEBUG ("Sample rate is not 44100, instantiating srate device.");
- err = mas_asm_instantiate_device ("srate", 0, 0, &massink->srate);
-
- if (err < 0) {
- GST_DEBUG ("Failed to instantiate srate device");
- return -1;
- }
-
- mas_asm_get_port_by_name (massink->srate, "sink", &massink->srate_sink);
- mas_asm_get_port_by_name (massink->srate, "source", &massink->srate_source);
-
- GST_DEBUG ("Connecting to srate.");
- masc_make_dc (&dc, 6);
- masc_append_dc_key_value (dc, "format", "linear");
- masc_append_dc_key_value (dc, "resolution", "16");
- masc_append_dc_key_value (dc, "sampling rate", ratestring);
- masc_append_dc_key_value (dc, "channels", "2");
- masc_append_dc_key_value (dc, "endian", "host");
-
- err = mas_asm_connect_source_sink (massink->open_source, massink->srate_sink, dc);
-
- if ( err < 0 ) {
- GST_DEBUG ("Failed to connect to srate");
- return -1;
- }
-
-
- massink->open_source = massink->srate_source;
- }
-
- GST_DEBUG ("Connecting to mix.");
- masc_make_dc(&dc, 6);
- masc_append_dc_key_value (dc, "format", "linear");
- masc_append_dc_key_value (dc, "resolution", "16");
- masc_append_dc_key_value (dc, "sampling rate", "44100");
- masc_append_dc_key_value (dc, "channels", "2");
- masc_append_dc_key_value (dc, "endian", "host");
-
- err = mas_asm_connect_source_sink (massink->open_source, massink->mix_sink, dc);
-
- if ( err < 0 ) {
- GST_DEBUG ("Failed to connect to mixer");
- return -1;
- }
-
- GST_FLAG_SET (massink, GST_MASSINK_OPEN);
-
- masc_make_mas_data (&massink->data, BUFFER_SIZE);
-
- massink->data->header.type = 10;
-
- massink->data->header.media_timestamp = 0;
- massink->data->header.sequence = 0;
-
- return TRUE;
-}
-
-/*static void
-gst_massink_close_audio (GstMassink *massink)
-{
- mas_free_device(massink->endian);
- mas_free_device(massink->srate);
- mas_free_device(massink->squant);
-
- mas_free_port(massink->mix_sink);
- mas_free_port(massink->srate_source);
- mas_free_port(massink->srate_sink);
- mas_free_port(massink->audio_source);
- mas_free_port(massink->audio_sink);
- mas_free_port(massink->endian_source);
- mas_free_port(massink->endian_sink);
- mas_free_port(massink->squant_source);
- mas_free_port(massink->squant_sink);
- mas_free_port(massink->open_source);
-
- mas_free_channel (massink->audio_channel);
- masc_destroy_mas_data (massink->data);
-
- g_free (ratestring);
- g_free (bps);
-
- GST_FLAG_UNSET (massink, GST_MASSINK_OPEN);
-
- GST_DEBUG ("massink: closed sound channel");
-}*/
-
-static GstElementStateReturn
-gst_massink_change_state (GstElement *element)
-{
- g_return_val_if_fail (GST_IS_MASSINK (element), FALSE);
-
- /* if going down into NULL state, close the fd if it's open */
- if (GST_STATE_PENDING (element) == GST_STATE_NULL) {
- //if (GST_FLAG_IS_SET (element, GST_MASSINK_OPEN))
- //gst_massink_close_audio (GST_MASSINK (element));
- /* otherwise (READY or higher) we need to open the fd */
- } else {
- if (!GST_FLAG_IS_SET (element, GST_MASSINK_OPEN)) {
- if (!gst_massink_open_audio (GST_MASSINK (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;
-}
-
projects / platform / upstream / gst-plugins-bad.git / commitdiff