gstreamer/gst/modplug/gstmodplug.cc

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/* 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.
*/
/*
Code based on modplugxmms
XMMS plugin:
Kenton Varda <temporal@gauge3d.org>
Sound Engine:
Olivier Lapicque <olivierl@jps.net>
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "libmodplug/stdafx.h"
#include "libmodplug/sndfile.h"
#include "gstmodplug.h"
#include <gst/gst.h>
#include <stdlib.h>
#include <gst/audio/audio.h>
/* elementfactory information */
GstElementDetails modplug_details = {
"ModPlug",
"Codec/Decoder/Audio",
"Module decoder based on modplug engine",
"Jeremy SIMON <jsimon13@yahoo.fr>"
};
/* Filter signals and args */
enum {
/* FILL ME */
LAST_SIGNAL
};
enum {
ARG_0,
ARG_SONGNAME,
ARG_REVERB,
ARG_REVERB_DEPTH,
ARG_REVERB_DELAY,
ARG_MEGABASS,
ARG_MEGABASS_AMOUNT,
ARG_MEGABASS_RANGE,
ARG_NOISE_REDUCTION,
ARG_SURROUND,
ARG_SURROUND_DEPTH,
ARG_SURROUND_DELAY,
ARG_OVERSAMP
};
static GstStaticPadTemplate modplug_src_template_factory =
GST_STATIC_PAD_TEMPLATE (
"src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (GST_AUDIO_INT_PAD_TEMPLATE_CAPS)
);
static GstStaticPadTemplate modplug_sink_template_factory =
GST_STATIC_PAD_TEMPLATE (
"sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("audio/x-mod")
);
enum {
MODPLUG_STATE_NEED_TUNE = 1,
MODPLUG_STATE_LOAD_TUNE = 2,
MODPLUG_STATE_PLAY_TUNE = 3,
};
static void gst_modplug_base_init (GstModPlugClass *klass);
static void gst_modplug_class_init (GstModPlugClass *klass);
static void gst_modplug_init (GstModPlug *filter);
static void gst_modplug_set_property (GObject *object,
guint id,
const GValue *value,
GParamSpec *pspec );
static void gst_modplug_get_property (GObject *object,
guint id,
GValue *value,
GParamSpec *pspec );
static GstPadLinkReturn
gst_modplug_srclink (GstPad *pad, const GstCaps *caps);
static void gst_modplug_loop (GstElement *element);
static void gst_modplug_setup (GstModPlug *modplug);
static const GstFormat *
gst_modplug_get_formats (GstPad *pad);
static const GstQueryType *
gst_modplug_get_query_types (GstPad *pad);
static gboolean gst_modplug_src_event (GstPad *pad, GstEvent *event);
static gboolean gst_modplug_src_query (GstPad *pad,
GstQueryType type,
GstFormat *format,
gint64 *value);
static GstElementStateReturn
gst_modplug_change_state (GstElement *element);
static GstElementClass *parent_class = NULL;
GType
gst_modplug_get_type(void) {
static GType modplug_type = 0;
if (!modplug_type) {
static const GTypeInfo modplug_info = {
sizeof(GstModPlugClass),
(GBaseInitFunc)gst_modplug_base_init,
NULL,
(GClassInitFunc)gst_modplug_class_init,
NULL,
NULL,
sizeof(GstModPlug),
0,
(GInstanceInitFunc)gst_modplug_init,
NULL
};
modplug_type = g_type_register_static(GST_TYPE_ELEMENT, "GstModPlug", &modplug_info, (GTypeFlags)0);
}
return modplug_type;
}
static void
gst_modplug_base_init (GstModPlugClass *klass)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&modplug_sink_template_factory));
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&modplug_src_template_factory));
gst_element_class_set_details (element_class, &modplug_details);
}
static void
gst_modplug_class_init (GstModPlugClass *klass)
{
GObjectClass *gobject_class;
GstElementClass *gstelement_class;
gobject_class = (GObjectClass*)klass;
gstelement_class = (GstElementClass*)klass;
parent_class = GST_ELEMENT_CLASS( g_type_class_ref(GST_TYPE_ELEMENT));
g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_SONGNAME,
g_param_spec_string("songname","Songname","The song name",
"", G_PARAM_READABLE));
g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_REVERB,
g_param_spec_boolean("reverb", "reverb", "reverb",
FALSE, (GParamFlags)G_PARAM_READWRITE ));
g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_REVERB_DEPTH,
g_param_spec_int("reverb_depth", "reverb_depth", "reverb_depth",
0, 100, 30, (GParamFlags)G_PARAM_READWRITE ));
g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_REVERB_DELAY,
g_param_spec_int("reverb_delay", "reverb_delay", "reverb_delay",
0, 200, 100, (GParamFlags)G_PARAM_READWRITE ));
g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_MEGABASS,
g_param_spec_boolean("megabass", "megabass", "megabass",
FALSE, (GParamFlags)G_PARAM_READWRITE ));
g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_MEGABASS_AMOUNT,
g_param_spec_int("megabass_amount", "megabass_amount", "megabass_amount",
0, 100, 40, (GParamFlags)G_PARAM_READWRITE ));
g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_MEGABASS_RANGE,
g_param_spec_int("megabass_range", "megabass_range", "megabass_range",
0, 100, 30, (GParamFlags)G_PARAM_READWRITE ));
g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_SURROUND,
g_param_spec_boolean("surround", "surround", "surround",
TRUE, (GParamFlags)G_PARAM_READWRITE ));
g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_SURROUND_DEPTH,
g_param_spec_int("surround_depth", "surround_depth", "surround_depth",
0, 100, 20, (GParamFlags)G_PARAM_READWRITE ));
g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_SURROUND_DELAY,
g_param_spec_int("surround_delay", "surround_delay", "surround_delay",
0, 40, 20, (GParamFlags)G_PARAM_READWRITE ));
g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_OVERSAMP,
g_param_spec_boolean("oversamp", "oversamp", "oversamp",
TRUE, (GParamFlags)G_PARAM_READWRITE ));
g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_NOISE_REDUCTION,
g_param_spec_boolean("noise_reduction", "noise_reduction", "noise_reduction",
TRUE, (GParamFlags)G_PARAM_READWRITE ));
gobject_class->set_property = gst_modplug_set_property;
gobject_class->get_property = gst_modplug_get_property;
gstelement_class->change_state = gst_modplug_change_state;
}
static void
gst_modplug_init (GstModPlug *modplug)
{
modplug->sinkpad = gst_pad_new_from_template (gst_static_pad_template_get (&modplug_sink_template_factory), "sink");
gst_element_add_pad (GST_ELEMENT(modplug), modplug->sinkpad);
modplug->srcpad = gst_pad_new_from_template (gst_static_pad_template_get (&modplug_src_template_factory), "src");
gst_element_add_pad (GST_ELEMENT(modplug), modplug->srcpad);
gst_pad_set_link_function (modplug->srcpad, gst_modplug_srclink);
gst_pad_set_event_function (modplug->srcpad, (GstPadEventFunction)GST_DEBUG_FUNCPTR(gst_modplug_src_event));
gst_pad_set_query_function (modplug->srcpad, gst_modplug_src_query);
gst_pad_set_query_type_function (modplug->srcpad, (GstPadQueryTypeFunction) GST_DEBUG_FUNCPTR (gst_modplug_get_query_types));
gst_pad_set_formats_function (modplug->srcpad, (GstPadFormatsFunction)GST_DEBUG_FUNCPTR (gst_modplug_get_formats));
gst_element_set_loop_function (GST_ELEMENT (modplug), gst_modplug_loop);
modplug->reverb = FALSE;
modplug->reverb_depth = 30;
modplug->reverb_delay = 100;
modplug->megabass = FALSE;
modplug->megabass_amount = 40;
modplug->megabass_range = 30;
modplug->surround = TRUE;
modplug->surround_depth = 20;
modplug->surround_delay = 20;
modplug->oversamp = TRUE;
modplug->noise_reduction = TRUE;
modplug->_16bit = TRUE;
modplug->channel = 2;
modplug->frequency = 44100;
modplug->audiobuffer = NULL;
modplug->buffer_in = NULL;
modplug->state = MODPLUG_STATE_NEED_TUNE;
}
static void
gst_modplug_setup (GstModPlug *modplug)
{
if (modplug->_16bit)
modplug->mSoundFile->SetWaveConfig (modplug->frequency, 16, modplug->channel);
else
modplug->mSoundFile->SetWaveConfig (modplug->frequency, 8, modplug->channel);
modplug->mSoundFile->SetWaveConfigEx (modplug->surround, !modplug->oversamp, modplug->reverb, true, modplug->megabass, modplug->noise_reduction, true);
modplug->mSoundFile->SetResamplingMode (SRCMODE_POLYPHASE);
if (modplug->surround)
modplug->mSoundFile->SetSurroundParameters (modplug->surround_depth, modplug->surround_delay);
if (modplug->megabass)
modplug->mSoundFile->SetXBassParameters (modplug->megabass_amount, modplug->megabass_range);
if (modplug->reverb)
modplug->mSoundFile->SetReverbParameters (modplug->reverb_depth, modplug->reverb_delay);
}
static const GstFormat*
gst_modplug_get_formats (GstPad *pad)
{
static const GstFormat src_formats[] = {
/* GST_FORMAT_BYTES,
GST_FORMAT_DEFAULT,*/
GST_FORMAT_TIME,
(GstFormat)0
};
static const GstFormat sink_formats[] = {
/*GST_FORMAT_BYTES,*/
GST_FORMAT_TIME,
(GstFormat)0
};
return (GST_PAD_IS_SRC (pad) ? src_formats : sink_formats);
}
static const GstQueryType*
gst_modplug_get_query_types (GstPad *pad)
{
static const GstQueryType gst_modplug_src_query_types[] = {
GST_QUERY_TOTAL,
GST_QUERY_POSITION,
(GstQueryType)0
};
return gst_modplug_src_query_types;
}
static gboolean
gst_modplug_src_query (GstPad *pad, GstQueryType type,
GstFormat *format, gint64 *value)
{
gboolean res = TRUE;
GstModPlug *modplug;
gfloat tmp;
modplug = GST_MODPLUG (gst_pad_get_parent (pad));
switch (type) {
case GST_QUERY_TOTAL:
switch (*format) {
case GST_FORMAT_TIME:
*value=(gint64)modplug->mSoundFile->GetSongTime() * GST_SECOND;
break;
default:
res = FALSE;
break;
}
break;
case GST_QUERY_POSITION:
switch (*format) {
default:
tmp = ((float)( modplug->mSoundFile->GetSongTime() * modplug->mSoundFile->GetCurrentPos() ) / (float)modplug->mSoundFile->GetMaxPosition() );
*value=(gint64)(tmp * GST_SECOND);
break;
}
default:
break;
}
return res;
}
static gboolean
gst_modplug_src_event (GstPad *pad, GstEvent *event)
{
gboolean res = TRUE;
GstModPlug *modplug;
modplug = GST_MODPLUG (gst_pad_get_parent (pad));
switch (GST_EVENT_TYPE (event)) {
/* the all-formats seek logic */
case GST_EVENT_SEEK:
{
gboolean flush;
GstFormat format;
format = GST_FORMAT_TIME;
/* shave off the flush flag, we'll need it later */
flush = GST_EVENT_SEEK_FLAGS (event) & GST_SEEK_FLAG_FLUSH;
modplug->seek_at = GST_EVENT_SEEK_OFFSET (event);
break;
}
default:
res = FALSE;
break;
}
gst_event_unref (event);
return res;
}
#if 0
static GstCaps*
gst_modplug_get_streaminfo (GstModPlug *modplug)
{
GstCaps *caps;
props = gst_props_empty_new ();
entry = gst_props_entry_new ("Patterns", G_TYPE_INT ((gint)modplug->mSoundFile->GetNumPatterns()));
gst_props_add_entry (props, (GstPropsEntry *) entry);
caps = gst_caps_new_simple ("application/x-gst-streaminfo", NULL);
return caps;
}
static void
gst_modplug_update_info (GstModPlug *modplug)
{
if (modplug->streaminfo) {
gst_caps_unref (modplug->streaminfo);
}
modplug->streaminfo = gst_modplug_get_streaminfo (modplug);
g_object_notify (G_OBJECT (modplug), "streaminfo");
}
static void
gst_modplug_update_metadata (GstModPlug *modplug)
{
GstProps *props;
GstPropsEntry *entry;
const gchar *title;
props = gst_props_empty_new ();
title = modplug->mSoundFile->GetTitle();
entry = gst_props_entry_new ("Title", G_TYPE_STRING (title));
gst_props_add_entry (props, entry);
modplug->metadata = gst_caps_new_simple ("application/x-gst-metadata",
NULL);
g_object_notify (G_OBJECT (modplug), "metadata");
}
#endif
static GstPadLinkReturn
modplug_negotiate (GstModPlug *modplug)
{
GstPadLinkReturn ret = GST_PAD_LINK_OK;
gboolean sign;
modplug->length = 1152 * modplug->channel;
if (modplug->_16bit)
{
modplug->length *= 2;
modplug->bitsPerSample = 16;
sign = TRUE;
}
else {
modplug->bitsPerSample = 8;
sign = FALSE;
}
if ((ret = gst_pad_try_set_caps (modplug->srcpad,
gst_caps_new_simple ("audio/x-raw-int",
"endianness", G_TYPE_INT, G_BYTE_ORDER,
"signed", G_TYPE_BOOLEAN, sign,
"width", G_TYPE_INT, modplug->bitsPerSample,
"depth", G_TYPE_INT, modplug->bitsPerSample,
"rate", G_TYPE_INT, modplug->frequency,
"channels", G_TYPE_INT, modplug->channel,
NULL))) <= 0) {
return ret;
}
gst_modplug_setup (modplug);
return ret;
}
static GstPadLinkReturn
gst_modplug_srclink (GstPad *pad, const GstCaps *caps)
{
GstModPlug *modplug;
GstStructure *structure;
gint depth;
modplug = GST_MODPLUG (gst_pad_get_parent (pad));
structure = gst_caps_get_structure (caps, 0);
gst_structure_get_int (structure, "depth", &depth);
modplug->_16bit = (depth == 16);
gst_structure_get_int (structure, "channels", &modplug->channel);
gst_structure_get_int (structure, "rate", &modplug->frequency);
return modplug_negotiate(modplug);
}
static void
gst_modplug_handle_event (GstModPlug *modplug)
{
guint32 remaining;
GstEvent *event;
gst_bytestream_get_status (modplug->bs, &remaining, &event);
if (!event) {
g_warning ("modplug: no bytestream event");
return;
}
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_DISCONTINUOUS:
gst_bytestream_flush_fast (modplug->bs, remaining);
default:
gst_pad_event_default (modplug->sinkpad, event);
break;
}
}
static void
gst_modplug_loop (GstElement *element)
{
GstModPlug *modplug;
GstEvent *event;
g_return_if_fail (element != NULL);
g_return_if_fail (GST_IS_MODPLUG (element));
modplug = GST_MODPLUG (element);
if (modplug->state == MODPLUG_STATE_NEED_TUNE)
{
/* GstBuffer *buf;*/
modplug->seek_at = -1;
modplug->need_discont = FALSE;
modplug->eos = FALSE;
/*
buf = gst_pad_pull (modplug->sinkpad);
g_assert (buf != NULL);
if (GST_IS_EVENT (buf)) {
GstEvent *event = GST_EVENT (buf);
switch (GST_EVENT_TYPE (buf)) {
case GST_EVENT_EOS:
modplug->state = MODPLUG_STATE_LOAD_TUNE;
break;
case GST_EVENT_DISCONTINUOUS:
break;
default:
bail out, we're not going to do anything
gst_event_unref (event);
gst_pad_send_event (modplug->srcpad, gst_event_new (GST_EVENT_EOS));
gst_element_set_eos (element);
return;
}
gst_event_unref (event);
}
else {
memcpy (modplug->buffer_in + modplug->song_size, GST_BUFFER_DATA (buf), GST_BUFFER_SIZE (buf));
modplug->song_size += GST_BUFFER_SIZE (buf);
gst_buffer_unref (buf);
}
*/
if (modplug->bs)
{
guint64 got;
modplug->song_size = gst_bytestream_length (modplug->bs);
got = gst_bytestream_peek_bytes (modplug->bs, &modplug->buffer_in, modplug->song_size);
if ( got < modplug->song_size )
{
gst_modplug_handle_event (modplug);
return;
}
modplug->state = MODPLUG_STATE_LOAD_TUNE;
}
}
if (modplug->state == MODPLUG_STATE_LOAD_TUNE)
{
modplug->mSoundFile = new CSoundFile;
if (!GST_PAD_CAPS (modplug->srcpad) &&
modplug_negotiate (modplug) <= 0) {
gst_element_error (GST_ELEMENT (modplug), "could not negotiate format");
return;
}
modplug->mSoundFile->Create (modplug->buffer_in, modplug->song_size);
modplug->opened = TRUE;
gst_bytestream_flush (modplug->bs, modplug->song_size);
modplug->buffer_in = NULL;
modplug->audiobuffer = (guchar *) g_malloc (modplug->length);
//gst_modplug_update_metadata (modplug);
//gst_modplug_update_info (modplug);
modplug->state = MODPLUG_STATE_PLAY_TUNE;
}
if (modplug->state == MODPLUG_STATE_PLAY_TUNE && !modplug->eos)
{
if (modplug->seek_at != -1)
{
gint seek_to_pos;
gint64 total;
gfloat temp;
total = modplug->mSoundFile->GetSongTime () * GST_SECOND;
temp = (gfloat) total / modplug->seek_at;
seek_to_pos = (int) (modplug->mSoundFile->GetMaxPosition () / temp);
modplug->mSoundFile->SetCurrentPos (seek_to_pos);
modplug->need_discont = TRUE;
modplug->seek_at = -1;
}
if (modplug->mSoundFile->Read (modplug->audiobuffer, modplug->length) != 0)
{
GstBuffer *buffer_out;
GstFormat format;
gint64 value;
format = GST_FORMAT_TIME;
gst_modplug_src_query (modplug->srcpad, GST_QUERY_POSITION, &format, &value);
if (modplug->need_discont && GST_PAD_IS_USABLE (modplug->srcpad))
{
GstEvent *discont;
discont = gst_event_new_discontinuous (FALSE, GST_FORMAT_TIME, value, NULL);
gst_pad_push (modplug->srcpad, GST_DATA (discont));
modplug->need_discont= FALSE;
}
buffer_out = gst_buffer_new ();
GST_BUFFER_DATA (buffer_out) = (guchar *) g_memdup (modplug->audiobuffer, modplug->length);
GST_BUFFER_SIZE (buffer_out) = modplug->length;
GST_BUFFER_TIMESTAMP (buffer_out) = value;
if (GST_PAD_IS_USABLE (modplug->srcpad))
gst_pad_push (modplug->srcpad, GST_DATA (buffer_out));
}
else
if (GST_PAD_IS_LINKED (modplug->srcpad))
{
/* FIXME, hack, pull final EOS from peer */
gst_bytestream_flush (modplug->bs, 1);
event = gst_event_new (GST_EVENT_EOS);
gst_pad_push (modplug->srcpad, GST_DATA (event));
gst_element_set_eos (element);
modplug->eos = TRUE;
}
}
}
static GstElementStateReturn
gst_modplug_change_state (GstElement *element)
{
GstModPlug *modplug;
modplug = GST_MODPLUG (element);
switch (GST_STATE_TRANSITION (element)) {
case GST_STATE_NULL_TO_READY:
break;
case GST_STATE_READY_TO_PAUSED:
modplug->bs = gst_bytestream_new (modplug->sinkpad);
modplug->song_size = 0;
modplug->state = MODPLUG_STATE_NEED_TUNE;
break;
case GST_STATE_PAUSED_TO_PLAYING:
break;
case GST_STATE_PLAYING_TO_PAUSED:
break;
case GST_STATE_PAUSED_TO_READY:
gst_bytestream_destroy (modplug->bs);
modplug->bs = NULL;
if (modplug->opened)
{
modplug->mSoundFile->Destroy ();
modplug->opened = FALSE;
}
if (modplug->audiobuffer) g_free (modplug->audiobuffer);
modplug->buffer_in = NULL;
modplug->audiobuffer = NULL;
modplug->state = MODPLUG_STATE_NEED_TUNE;
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;
}
static void
gst_modplug_set_property (GObject *object, guint id, const GValue *value, GParamSpec *pspec )
{
GstModPlug *modplug;
/* it's not null if we got it, but it might not be ours */
g_return_if_fail (GST_IS_MODPLUG(object));
modplug = GST_MODPLUG (object);
switch (id) {
case ARG_REVERB:
modplug->reverb = g_value_get_boolean (value);
break;
case ARG_REVERB_DEPTH:
modplug->reverb_depth = g_value_get_int (value);
break;
case ARG_REVERB_DELAY:
modplug->reverb_delay = g_value_get_int (value);
break;
case ARG_MEGABASS:
modplug->megabass = g_value_get_boolean (value);
break;
case ARG_MEGABASS_AMOUNT:
modplug->megabass_amount = g_value_get_int (value);
break;
case ARG_MEGABASS_RANGE:
modplug->megabass_range = g_value_get_int (value);
break;
case ARG_NOISE_REDUCTION:
modplug->noise_reduction = g_value_get_boolean (value);
break;
case ARG_SURROUND:
modplug->surround = g_value_get_boolean (value);
break;
case ARG_SURROUND_DEPTH:
modplug->surround_depth = g_value_get_int (value);
break;
case ARG_SURROUND_DELAY:
modplug->surround_delay = g_value_get_int (value);
break;
default:
break;
}
}
static void
gst_modplug_get_property (GObject *object, guint id, GValue *value, GParamSpec *pspec )
{
GstModPlug *modplug;
/* it's not null if we got it, but it might not be ours */
g_return_if_fail (GST_IS_MODPLUG(object));
modplug = GST_MODPLUG (object);
switch (id) {
case ARG_REVERB:
g_value_set_boolean (value, modplug->reverb);
break;
case ARG_REVERB_DEPTH:
g_value_set_int (value, modplug->reverb_depth);
break;
case ARG_REVERB_DELAY:
g_value_set_int (value, modplug->reverb_delay);
break;
case ARG_MEGABASS:
g_value_set_boolean (value, modplug->megabass);
break;
case ARG_MEGABASS_AMOUNT:
g_value_set_int (value, modplug->megabass_amount);
break;
case ARG_MEGABASS_RANGE:
g_value_set_int (value, modplug->megabass_range);
break;
case ARG_SURROUND:
g_value_set_boolean (value, modplug->surround);
break;
case ARG_SURROUND_DEPTH:
g_value_set_int (value, modplug->surround_depth);
break;
case ARG_SURROUND_DELAY:
g_value_set_int (value, modplug->surround_delay);
break;
case ARG_NOISE_REDUCTION:
g_value_set_boolean (value, modplug->noise_reduction);
break;
default:
break;
}
}
static gboolean
plugin_init (GstPlugin *plugin)
{
/* this filter needs the bytestream package */
if (!gst_library_load ("gstbytestream"))
return FALSE;
return gst_element_register (plugin, "modplug",
GST_RANK_PRIMARY, GST_TYPE_MODPLUG);
}
GST_PLUGIN_DEFINE (
GST_VERSION_MAJOR,
GST_VERSION_MINOR,
"monoscope",
"Monoscope visualization",
plugin_init,
VERSION,
"LGPL",
GST_PACKAGE,
GST_ORIGIN
)