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gstreamer/gst/modplug/gstmodplug.cc
Wim Taymans 52838dd8aa somewhat fix modplug 
Original commit message from CVS:
somewhat fix modplug
2003-01-12 21:23:49 +00:00

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26 KiB
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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>
*/
#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/Audio/Decoder",
"LGPL",
"Module decoder based on modplug engine",
VERSION,
"Jeremy SIMON <jsimon13@yahoo.fr> "
"Kenton Varda <temporal@gauge3d.org> "
"Olivier Lapicque <olivierl@jps.net>",
"(C) 2001"
};
/* 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_FREQUENCY,
ARG_NOISE_REDUCTION,
ARG_SURROUND,
ARG_SURROUND_DEPTH,
ARG_SURROUND_DELAY,
ARG_CHANNEL,
ARG_16BIT,
ARG_OVERSAMP,
ARG_METADATA,
ARG_STREAMINFO
};
GST_PAD_TEMPLATE_FACTORY (modplug_src_template_factory,
"src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_CAPS_NEW (
"modplug_src",
"audio/raw",
"format", GST_PROPS_STRING ("int"),
"law", GST_PROPS_INT (0),
"endianness", GST_PROPS_INT (G_BYTE_ORDER),
"signed", GST_PROPS_BOOLEAN (TRUE),
"width", GST_PROPS_INT (16),
"depth", GST_PROPS_INT (16),
"rate", GST_PROPS_INT_RANGE (11025, 44100),
"channels", GST_PROPS_INT_RANGE (1, 2)
)
)
GST_PAD_TEMPLATE_FACTORY (modplug_sink_template_factory,
"sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_CAPS_NEW (
"modplug_sink",
"audio/x-mod",
NULL
)
)
enum {
MODPLUG_STATE_NEED_TUNE = 1,
MODPLUG_STATE_LOAD_TUNE = 2,
MODPLUG_STATE_PLAY_TUNE = 3,
};
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 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;
#define GST_TYPE_MODPLUG_MIXFREQ (gst_modplug_mixfreq_get_type())
static GType
gst_modplug_mixfreq_get_type (void)
{
static GType modplug_mixfreq_type = 0;
static GEnumValue modplug_mixfreq[] = {
{ 0, "8000", "8000 Hz" },
{ 1, "11025", "11025 Hz" },
{ 2, "22100", "22100 Hz" },
{ 3, "44100", "44100 Hz" },
{ 0, NULL, NULL },
};
if (! modplug_mixfreq_type ) {
modplug_mixfreq_type = g_enum_register_static ("GstModPlugmixfreq", modplug_mixfreq);
}
return modplug_mixfreq_type;
}
static GstCaps*
modplug_type_find (GstBuffer *buf, gpointer priv)
{
if (MOD_CheckType (buf))
return gst_caps_new ("modplug_type_find", "audio/x-mod", NULL);
if (Mod_669_CheckType (buf))
return gst_caps_new ("modplug_type_find", "audio/x-mod", NULL);
if (Amf_CheckType (buf))
return gst_caps_new ("modplug_type_find", "audio/x-mod", NULL);
if (Dsm_CheckType (buf))
return gst_caps_new ("modplug_type_find", "audio/x-mod", NULL);
if (Fam_CheckType (buf))
return gst_caps_new ("modplug_type_find", "audio/x-mod", NULL);
if (Gdm_CheckType (buf))
return gst_caps_new ("modplug_type_find", "audio/x-mod", NULL);
if (Imf_CheckType (buf))
return gst_caps_new ("modplug_type_find", "audio/x-mod", NULL);
if (It_CheckType (buf))
return gst_caps_new ("modplug_type_find", "audio/x-it", NULL);
if (M15_CheckType (buf))
return gst_caps_new ("modplug_type_find", "audio/x-mod", NULL);
/* FIXME
if ( Med_CheckType( buf ) )
return gst_caps_new ("mikmod_type_find", "audio/x-mod", NULL);
*/
if (Mtm_CheckType (buf))
return gst_caps_new ("modplug_type_find", "audio/x-mod", NULL);
if (Okt_CheckType (buf))
return gst_caps_new ("modplug_type_find", "audio/x-mod", NULL);
if (S3m_CheckType (buf))
return gst_caps_new ("modplug_type_find", "audio/x-s3m", NULL);
if (Xm_CheckType (buf))
return gst_caps_new ("modplug_type_find", "audio/x-xm", NULL);
return NULL;
}
static GstTypeDefinition modplug_definitions[] = {
{ "modplug_audio/mod", "audio/x-mod", ".mod .sam .med .stm .mtm .669 .ult .far .amf .dsm .imf .gdm .stx .okt", modplug_type_find },
{ "modplug_audio/xm", "audio/x-xm", ".xm", modplug_type_find },
{ "modplug_audio/it", "audio/x-it", ".it", modplug_type_find },
{ "modplug_audio/xm", "audio/x-s3m", ".s3m", modplug_type_find },
{ NULL, NULL, NULL, NULL }
};
GType
gst_modplug_get_type(void) {
static GType modplug_type = 0;
if (!modplug_type) {
static const GTypeInfo modplug_info = {
sizeof(GstModPlugClass),
NULL,
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_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_FREQUENCY,
g_param_spec_enum("mixfreq", "mixfreq", "mixfreq",
GST_TYPE_MODPLUG_MIXFREQ, 3,(GParamFlags)G_PARAM_READWRITE ));
g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_16BIT,
g_param_spec_boolean("use16bit", "use16bit", "use16bit",
TRUE, (GParamFlags)G_PARAM_READWRITE ));
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 ));
g_object_class_install_property (gobject_class, ARG_METADATA,
g_param_spec_boxed ("metadata", "Metadata", "Metadata",
GST_TYPE_CAPS, G_PARAM_READABLE));
g_object_class_install_property (gobject_class, ARG_STREAMINFO,
g_param_spec_boxed ("streaminfo", "Streaminfo", "Streaminfo",
GST_TYPE_CAPS, G_PARAM_READABLE));
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_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_PAD_TEMPLATE_GET (modplug_src_template_factory), "src");
gst_element_add_pad (GST_ELEMENT(modplug), modplug->srcpad);
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->bs = NULL;*/
}
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_UNITS,*/
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_DEFAULT:
*format = GST_FORMAT_TIME;
case GST_FORMAT_TIME:
*value=(gint64)modplug->mSoundFile->GetSongTime() * GST_SECOND;
break;
default:
res = FALSE;
break;
}
break;
case GST_QUERY_POSITION:
switch (*format) {
case GST_FORMAT_DEFAULT:
*format = GST_FORMAT_TIME;
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);
}
default:
res = FALSE;
break;
}
gst_event_unref (event);
return res;
}
static GstCaps*
gst_modplug_get_streaminfo (GstModPlug *modplug)
{
GstCaps *caps;
GstProps *props;
GstPropsEntry *entry;
props = gst_props_empty_new ();
g_print("Num patterns : %d\n", (gint)modplug->mSoundFile->GetNumPatterns());
entry = gst_props_entry_new ("Patterns", GST_PROPS_INT ((gint)modplug->mSoundFile->GetNumPatterns()));
gst_props_add_entry (props, (GstPropsEntry *) entry);
caps = gst_caps_new ("mad_streaminfo",
"application/x-gst-streaminfo",
props);
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", GST_PROPS_STRING (title));
gst_props_add_entry (props, entry);
/*
if (info.authorString) {
entry = gst_props_entry_new ("Composer", GST_PROPS_STRING (info.authorString));
gst_props_add_entry (props, entry);
}
if (info.copyrightString) {
entry = gst_props_entry_new ("Copyright", GST_PROPS_STRING (info.copyrightString));
gst_props_add_entry (props, entry);
}*/
modplug->metadata = gst_caps_new ("modplug_metadata",
"application/x-gst-metadata",
props);
g_object_notify (G_OBJECT (modplug), "metadata");
}
static gboolean
modplug_negotiate (GstModPlug *modplug)
{
/* GstCaps *allowed;
gboolean sign = TRUE;
gint width = 0, depth = 0;
allowed = gst_pad_get_allowed_caps (siddec->srcpad);
if (!allowed)
return FALSE;
GET_FIXED_INT (allowed, "width", &width);
GET_FIXED_INT (allowed, "depth", &depth);
if (width && depth && width != depth) {
return FALSE;
}
width = width | depth;
if (width) {
siddec->config->bitsPerSample = width;
}
GET_FIXED_BOOLEAN (allowed, "signed", &sign);
GET_FIXED_INT (allowed, "rate", &siddec->config->frequency);
GET_FIXED_INT (allowed, "channels", &siddec->config->channels);
siddec->config->sampleFormat = (sign ? SIDEMU_SIGNED_PCM : SIDEMU_UNSIGNED_PCM);
*/
modplug->length = 1152 * modplug->channel;
if (modplug->_16bit)
{
modplug->length *= 2;
modplug->bitsPerSample = 16;
}
else
modplug->bitsPerSample = 8;
if (!GST_PAD_CAPS (modplug->srcpad)) {
if (!gst_pad_try_set_caps (modplug->srcpad,
GST_CAPS_NEW (
"modplug_src",
"audio/raw",
"format", GST_PROPS_STRING ("int"),
"law", GST_PROPS_INT (0),
"endianness", GST_PROPS_INT (G_BYTE_ORDER),
"signed", GST_PROPS_BOOLEAN (TRUE),
"width", GST_PROPS_INT (modplug->bitsPerSample),
"depth", GST_PROPS_INT (modplug->bitsPerSample),
"rate", GST_PROPS_INT (modplug->frequency),
"channels", GST_PROPS_INT (modplug->channel)
)))
{
return FALSE;
}
}
gst_modplug_setup (modplug);
return TRUE;
}
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->total_samples = 0;
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->state == MODPLUG_STATE_LOAD_TUNE)
{
modplug->mSoundFile = new CSoundFile;
if (!modplug_negotiate (modplug)) {
gst_element_error (GST_ELEMENT (modplug), "could not negotiate format");
return;
}
modplug->mSoundFile->Create (modplug->buffer_in, modplug->song_size);
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)
{
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_BUFFER (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;
gst_pad_push (modplug->srcpad, buffer_out);
}
else
if (GST_PAD_IS_USABLE (modplug->srcpad))
{
event = gst_event_new (GST_EVENT_EOS);
gst_pad_push (modplug->srcpad, GST_BUFFER (event));
gst_element_set_eos (element);
}
}
}
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:
case GST_STATE_READY_TO_PAUSED:
modplug->song_size = 0;
modplug->buffer_in = (guint8 *) g_malloc( 1024 *1024 * 2 );
modplug->state = MODPLUG_STATE_NEED_TUNE;
modplug->metadata = NULL;
modplug->streaminfo = NULL;
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->mSoundFile->Destroy ();
g_free (modplug->audiobuffer);
modplug->audiobuffer = NULL;
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_FREQUENCY:
modplug->frequency = g_value_get_enum (value);
break;
case ARG_CHANNEL:
modplug->channel = 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;
case ARG_16BIT:
modplug->_16bit = g_value_get_boolean (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_FREQUENCY:
g_value_set_enum (value, modplug->frequency);
break;
case ARG_CHANNEL:
g_value_set_int (value, modplug->channel);
break;
case ARG_16BIT:
g_value_set_boolean (value, modplug->_16bit);
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;
case ARG_METADATA:
g_value_set_boxed (value, modplug->metadata);
break;
case ARG_STREAMINFO:
g_value_set_boxed (value, modplug->streaminfo);
break;
default:
break;
}
}
static gboolean
plugin_init (GModule *module, GstPlugin *plugin)
{
GstElementFactory *factory;
guint i;
/* this filter needs the bytestream package */
/*if (!gst_library_load ("gstbytestream"))
return FALSE;*/
factory = gst_element_factory_new ("modplug", GST_TYPE_MODPLUG, &modplug_details);
g_return_val_if_fail (factory != NULL, FALSE);
gst_element_factory_set_rank (factory, GST_ELEMENT_RANK_PRIMARY);
gst_element_factory_add_pad_template (factory, GST_PAD_TEMPLATE_GET (modplug_sink_template_factory));
gst_element_factory_add_pad_template (factory, GST_PAD_TEMPLATE_GET (modplug_src_template_factory));
i = 0;
while (modplug_definitions[i].name) {
GstTypeFactory *type;
type = gst_type_factory_new (&modplug_definitions[i]);
gst_plugin_add_feature (plugin, GST_PLUGIN_FEATURE (type));
i++;
}
gst_plugin_add_feature (plugin, GST_PLUGIN_FEATURE (factory));
return TRUE;
}
GstPluginDesc plugin_desc = {
GST_VERSION_MAJOR,
GST_VERSION_MINOR,
"modplug",
plugin_init
};
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