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gstreamer/gst/modplug/gstmodplug.cc
Jeremy Simon 8029993b12 Use bytestream to get buffer from sinkpad ( gst-player should play mod file now ;) 
Original commit message from CVS:
Use bytestream to get buffer from sinkpad ( gst-player should play mod file now ;)
Move module types build from mikmod to modplug
2002-11-17 12:23:43 +00:00

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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
};
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/mod",
NULL
)
)
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 gboolean gst_modplug_src_event (GstPad *pad, GstEvent *event);
static gboolean gst_modplug_src_query (GstPad *pad, GstPadQueryType 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/mod", NULL);
if ( Mod_669_CheckType( buf ) )
return gst_caps_new ("modplug_type_find", "audio/mod", NULL);
if ( Amf_CheckType( buf ) )
return gst_caps_new ("modplug_type_find", "audio/mod", NULL);
if ( Dsm_CheckType( buf ) )
return gst_caps_new ("modplug_type_find", "audio/mod", NULL);
if ( Fam_CheckType( buf ) )
return gst_caps_new ("modplug_type_find", "audio/mod", NULL);
if ( Gdm_CheckType( buf ) )
return gst_caps_new ("modplug_type_find", "audio/mod", NULL);
if ( Imf_CheckType( buf ) )
return gst_caps_new ("modplug_type_find", "audio/mod", NULL);
if ( It_CheckType( buf ) )
return gst_caps_new ("modplug_type_find", "audio/mod", NULL);
if ( M15_CheckType( buf ) )
return gst_caps_new ("modplug_type_find", "audio/mod", NULL);
/* FIXME
if ( Med_CheckType( buf ) )
return gst_caps_new ("mikmod_type_find", "audio/mod", NULL);
*/
if ( Mtm_CheckType( buf ) )
return gst_caps_new ("modplug_type_find", "audio/mod", NULL);
if ( Okt_CheckType( buf ) )
return gst_caps_new ("modplug_type_find", "audio/mod", NULL);
if ( S3m_CheckType( buf ) )
return gst_caps_new ("modplug_type_find", "audio/mod", NULL);
if ( Xm_CheckType( buf ) )
return gst_caps_new ("modplug_type_find", "audio/mod", NULL);
return NULL;
}
static GstTypeDefinition modplug_definition = {
"modplug_audio/mod", "audio/mod", ".mod .sam .med .s3m .it .xm .stm .mtm .669 .ult .far .amf .dsm .imf .gdm .stx .okt", modplug_type_find
};
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 ));
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);
modplug->bs = gst_bytestream_new (modplug->sinkpad);
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_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->mSoundFile = new CSoundFile;
}
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, false );
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 gboolean
gst_modplug_src_query (GstPad *pad, GstPadQueryType type,
GstFormat *format, gint64 *value)
{
gboolean res = TRUE;
GstModPlug *modplug;
float tmp;
modplug = GST_MODPLUG (gst_pad_get_parent (pad));
switch (type) {
case GST_PAD_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_PAD_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;
/* assume the worst */
res = FALSE;
modplug->seek_at = GST_EVENT_SEEK_OFFSET (event);
}
default:
res = FALSE;
break;
}
gst_event_unref (event);
return res;
}
static void
gst_modplug_loop (GstElement *element)
{
GstModPlug *modplug;
GstBuffer *buffer_out;
gint mode16bits;
guint64 total_samples, sync_point;
float temp;
g_return_if_fail (element != NULL);
g_return_if_fail (GST_IS_MODPLUG (element));
modplug = GST_MODPLUG (element);
srcpad = modplug->srcpad;
modplug->buffer_in = (guint8 *) g_malloc( gst_bytestream_length (modplug->bs));
gst_bytestream_peek_bytes (modplug->bs, &modplug->buffer_in, gst_bytestream_length (modplug->bs));
if ( modplug->_16bit )
mode16bits = 16;
else
mode16bits = 8;
gst_modplug_setup( modplug );
modplug->mSoundFile = new CSoundFile;
modplug->mSoundFile->Create( modplug->buffer_in, gst_bytestream_length (modplug->bs));
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 (mode16bits),
"depth", GST_PROPS_INT (mode16bits),
"rate", GST_PROPS_INT (modplug->frequency),
"channels", GST_PROPS_INT (modplug->channel)));
modplug->length = 1152 * modplug->channel;
if ( modplug->_16bit )
modplug->length *= 2;
modplug->audiobuffer = (guchar *) g_malloc( modplug->length );
total_samples = 0;
sync_point = 0;
do {
if ( modplug->seek_at != -1 )
{
int seek_to_pos;
gint64 total;
total = modplug->mSoundFile->GetSongTime() * GST_SECOND;
temp = (float) total / modplug->seek_at;
seek_to_pos = (int)( modplug->mSoundFile->GetMaxPosition() / temp );
modplug->mSoundFile->SetCurrentPos( seek_to_pos );
}
if( modplug->mSoundFile->Read ( modplug->audiobuffer, modplug->length ) != 0 )
{
GstClockTime time;
buffer_out = gst_buffer_new();
GST_BUFFER_DATA( buffer_out ) = (guchar *) g_memdup( modplug->audiobuffer, modplug->length );
GST_BUFFER_SIZE( buffer_out ) = modplug->length;
total_samples+=1152;
if ( modplug->seek_at != -1)
{
GstEvent *discont;
gint64 total;
modplug->seek_at = -1;
/* get stream stats */
total = modplug->mSoundFile->GetSongTime() * GST_SECOND;
time = (gint64) (total * modplug->mSoundFile->GetCurrentPos() ) / modplug->mSoundFile->GetMaxPosition();
discont = gst_event_new_discontinuous (FALSE, GST_FORMAT_TIME, time, NULL );
total_samples = time * modplug->frequency / GST_SECOND ;
gst_pad_push (modplug->srcpad, GST_BUFFER (discont));
}
GST_BUFFER_TIMESTAMP( buffer_out ) = total_samples * GST_SECOND / modplug->frequency;
gst_pad_push( srcpad, buffer_out );
gst_element_yield (element);
}
else
{
free( modplug->audiobuffer );
gst_pad_push (modplug->srcpad, GST_BUFFER (gst_event_new (GST_EVENT_EOS)));
gst_element_set_eos (GST_ELEMENT (modplug));
break;
}
}
while ( 1 );
}
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:
break;
case GST_STATE_PAUSED_TO_PLAYING:
break;
case GST_STATE_PLAYING_TO_PAUSED:
break;
case GST_STATE_PAUSED_TO_READY:
/* modplug->mSoundFile->SetCurrentPos( 0 ); */
break;
case GST_STATE_READY_TO_NULL:
/* g_free( modplug->buffer_in );
g_free( modplug->audiobuffer );
modplug->mSoundFile->Destroy();*/
break;
}
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_SONGNAME:
modplug->songname = g_value_get_string (value);
break;
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;
default:
break;
}
}
static gboolean
plugin_init (GModule *module, GstPlugin *plugin)
{
GstElementFactory *factory;
GstTypeFactory *type;
/* 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));
type = gst_type_factory_new (&modplug_definition);
gst_plugin_add_feature (plugin, GST_PLUGIN_FEATURE (type));
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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