2 * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Library General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Library General Public License for more details.
14 * You should have received a copy of the GNU Library General Public
15 * License along with this library; if not, write to the
16 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 * Boston, MA 02111-1307, USA.
23 #include "gstmikmod.h"
27 /* elementfactory information */
28 GstElementDetails mikmod_details = {
30 "Codec/Decoder/Audio",
31 "Module decoder based on libmikmod",
32 "Jeremy SIMON <jsimon13@yahoo.fr>",
36 /* Filter signals and args */
62 GstClockTime timestamp;
65 static GstStaticPadTemplate mikmod_src_factory =
66 GST_STATIC_PAD_TEMPLATE (
72 "endianness = (int) BYTE_ORDER, "
73 "signed = (boolean) TRUE, "
76 "rate = (int) { 8000, 11025, 22050, 44100 }, "
77 "channels = (int) [ 1, 2 ]; "
79 "signed = (boolean) FALSE, "
82 "rate = (int) { 8000, 11025, 22050, 44100 }, "
83 "channels = (int) [ 1, 2 ]"
87 static GstStaticPadTemplate mikmod_sink_factory =
88 GST_STATIC_PAD_TEMPLATE (
92 GST_STATIC_CAPS ("audio/x-mod")
95 static void gst_mikmod_base_init (gpointer g_class);
96 static void gst_mikmod_class_init (GstMikModClass *klass);
97 static void gst_mikmod_init (GstMikMod *filter);
98 static void gst_mikmod_set_property (GObject *object, guint id, const GValue *value, GParamSpec *pspec );
99 static void gst_mikmod_get_property (GObject *object, guint id, GValue *value, GParamSpec *pspec );
100 static GstPadLinkReturn gst_mikmod_srclink (GstPad *pad, const GstCaps *caps);
101 static GstCaps * gst_mikmod_srcfixate (GstPad *pad, const GstCaps *caps);
102 static void gst_mikmod_loop (GstElement *element);
103 static gboolean gst_mikmod_setup (GstMikMod *mikmod);
104 static GstElementStateReturn gst_mikmod_change_state (GstElement *element);
108 static GstElementClass *parent_class = NULL;
111 gst_mikmod_get_type(void) {
112 static GType mikmod_type = 0;
115 static const GTypeInfo mikmod_info = {
116 sizeof(GstMikModClass),
117 gst_mikmod_base_init,
119 (GClassInitFunc)gst_mikmod_class_init,
124 (GInstanceInitFunc)gst_mikmod_init,
126 mikmod_type = g_type_register_static(GST_TYPE_ELEMENT, "GstMikmod", &mikmod_info, 0);
132 gst_mikmod_base_init (gpointer g_class)
134 GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
136 gst_element_class_add_pad_template (element_class,
137 gst_static_pad_template_get (&mikmod_src_factory));
138 gst_element_class_add_pad_template (element_class,
139 gst_static_pad_template_get (&mikmod_sink_factory));
140 gst_element_class_set_details (element_class, &mikmod_details);
144 gst_mikmod_class_init (GstMikModClass *klass)
146 GObjectClass *gobject_class;
147 GstElementClass *gstelement_class;
149 gobject_class = (GObjectClass*)klass;
150 gstelement_class = (GstElementClass*)klass;
152 parent_class = g_type_class_ref(GST_TYPE_ELEMENT);
154 g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_SONGNAME,
155 g_param_spec_string("songname","songname","songname",
156 NULL, G_PARAM_READABLE));
157 g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_MODTYPE,
158 g_param_spec_string("modtype", "modtype", "modtype",
159 NULL, G_PARAM_READABLE ));
160 g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_MUSICVOLUME,
161 g_param_spec_int("musicvolume", "musivolume", "musicvolume",
162 0, 128, 128, G_PARAM_READWRITE ));
163 g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_PANSEP,
164 g_param_spec_int("pansep", "pansep", "pansep",
165 0, 128, 128, G_PARAM_READWRITE ));
166 g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_REVERB,
167 g_param_spec_int("reverb", "reverb", "reverb",
168 0, 15, 0, G_PARAM_READWRITE ));
169 g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_SNDFXVOLUME,
170 g_param_spec_int("sndfxvolume", "sndfxvolume", "sndfxvolume",
171 0, 128, 128, G_PARAM_READWRITE ));
172 g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_VOLUME,
173 g_param_spec_int("volume", "volume", "volume",
174 0, 128, 96, G_PARAM_READWRITE ));
176 g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_INTERP,
177 g_param_spec_boolean("interp", "interp", "interp",
178 FALSE, G_PARAM_READWRITE ));
179 g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_REVERSE,
180 g_param_spec_boolean("reverse", "reverse", "reverse",
181 FALSE, G_PARAM_READWRITE ));
182 g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_SURROUND,
183 g_param_spec_boolean("surround", "surround", "surround",
184 TRUE, G_PARAM_READWRITE ));
185 g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_HQMIXER,
186 g_param_spec_boolean("hqmixer", "hqmixer", "hqmixer",
187 FALSE, G_PARAM_READWRITE ));
188 g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_SOFT_MUSIC,
189 g_param_spec_boolean("soft_music", "soft_music", "soft_music",
190 TRUE, G_PARAM_READWRITE ));
191 g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_SOFT_SNDFX,
192 g_param_spec_boolean("soft_sndfx", "soft_sndfx", "soft_sndfx",
193 TRUE, G_PARAM_READWRITE ));
196 gobject_class->set_property = gst_mikmod_set_property;
197 gobject_class->get_property = gst_mikmod_get_property;
199 gstelement_class->change_state = gst_mikmod_change_state;
204 gst_mikmod_init (GstMikMod *filter)
206 filter->sinkpad = gst_pad_new_from_template(
207 gst_static_pad_template_get (&mikmod_sink_factory),"sink");
208 filter->srcpad = gst_pad_new_from_template(
209 gst_static_pad_template_get (&mikmod_src_factory),"src");
211 gst_element_add_pad(GST_ELEMENT(filter),filter->sinkpad);
212 gst_element_add_pad(GST_ELEMENT(filter),filter->srcpad);
213 gst_pad_set_link_function (filter->srcpad, gst_mikmod_srclink);
214 gst_pad_set_fixate_function (filter->srcpad, gst_mikmod_srcfixate);
216 gst_element_set_loop_function (GST_ELEMENT (filter), gst_mikmod_loop);
218 filter->Buffer = NULL;
220 filter->stereo = TRUE;
221 filter->surround = TRUE;
222 filter->_16bit = TRUE;
223 filter->soft_music = TRUE;
224 filter->soft_sndfx = TRUE;
225 filter->mixfreq = 44100;
227 filter->pansep = 128;
228 filter->musicvolume = 128;
230 filter->sndfxvolume = 128;
231 filter->songname = NULL;
232 filter->modtype = NULL;
234 filter->initialized = FALSE;
238 gst_mikmod_srcfixate (GstPad *pad, const GstCaps *caps)
241 GstStructure *structure;
243 /* FIXME: select est caps here */
244 if (gst_caps_get_size (caps) > 1)
247 ret = gst_caps_copy (caps);
248 structure = gst_caps_get_structure (ret, 0);
250 if (gst_caps_structure_fixate_field_nearest_int (structure, "channels", 2))
252 if (gst_caps_structure_fixate_field_nearest_int (structure, "rate", 44100))
259 static GstPadLinkReturn
260 gst_mikmod_srclink (GstPad *pad, const GstCaps *caps)
263 GstStructure *structure;
267 filter = GST_MIKMOD (gst_pad_get_parent (pad));
269 structure = gst_caps_get_structure (caps, 0);
271 gst_structure_get_int (structure, "depth", &depth);
272 filter->_16bit = (depth == 16);
273 gst_structure_get_int (structure, "channels", &channels);
274 filter->stereo = (channels == 2);
275 gst_structure_get_int (structure, "rate", &filter->mixfreq);
277 return gst_mikmod_setup (filter) ? GST_PAD_LINK_OK : GST_PAD_LINK_REFUSED;
281 gst_mikmod_loop (GstElement *element)
284 GstBuffer *buffer_in;
286 g_return_if_fail (element != NULL);
287 g_return_if_fail (GST_IS_MIKMOD (element));
289 mikmod = GST_MIKMOD (element);
290 srcpad = mikmod->srcpad;
291 mikmod->Buffer = NULL;
293 if (!mikmod->initialized) {
294 while ((buffer_in = GST_BUFFER (gst_pad_pull( mikmod->sinkpad )))) {
295 if ( GST_IS_EVENT (buffer_in) ) {
296 GstEvent *event = GST_EVENT (buffer_in);
298 if (GST_EVENT_TYPE (event) == GST_EVENT_EOS)
301 if ( mikmod->Buffer ) {
303 merge = gst_buffer_merge( mikmod->Buffer, buffer_in );
304 gst_buffer_unref( buffer_in );
305 gst_buffer_unref( mikmod->Buffer );
306 mikmod->Buffer = merge;
308 mikmod->Buffer = buffer_in;
313 if (!GST_PAD_CAPS (mikmod->srcpad)) {
314 if (GST_PAD_LINK_SUCCESSFUL (gst_pad_renegotiate (mikmod->srcpad))) {
315 GST_ELEMENT_ERROR (mikmod, CORE, NEGOTIATION, (NULL), (NULL));
320 MikMod_RegisterDriver(&drv_gst);
321 MikMod_RegisterAllLoaders();
324 reader = GST_READER_new( mikmod );
325 module = Player_LoadGeneric ( reader, 64, 0 );
327 gst_buffer_unref (mikmod->Buffer);
329 if ( ! Player_Active() )
330 Player_Start(module);
332 mikmod->initialized = TRUE;
335 if ( Player_Active() ) {
336 timestamp = ( module->sngtime / 1024.0 ) * GST_SECOND;
339 gst_element_set_eos (GST_ELEMENT (mikmod));
340 gst_pad_push (mikmod->srcpad, GST_DATA (gst_event_new (GST_EVENT_EOS)));
346 gst_mikmod_setup (GstMikMod *mikmod)
348 md_musicvolume = mikmod->musicvolume;
349 md_pansep = mikmod->pansep;
350 md_reverb = mikmod->reverb;
351 md_sndfxvolume = mikmod->sndfxvolume;
352 md_volume = mikmod->volume;
353 md_mixfreq = mikmod->mixfreq;
357 if ( mikmod->interp )
358 md_mode = md_mode | DMODE_INTERP;
360 if ( mikmod->reverse )
361 md_mode = md_mode | DMODE_REVERSE;
363 if ( mikmod->surround )
364 md_mode = md_mode | DMODE_SURROUND;
366 if ( mikmod->_16bit )
367 md_mode = md_mode | DMODE_16BITS;
369 if ( mikmod->hqmixer )
370 md_mode = md_mode | DMODE_HQMIXER;
372 if ( mikmod->soft_music )
373 md_mode = md_mode | DMODE_SOFT_MUSIC;
375 if ( mikmod->soft_sndfx )
376 md_mode = md_mode | DMODE_SOFT_SNDFX;
378 if ( mikmod->stereo )
379 md_mode = md_mode | DMODE_STEREO;
385 static GstElementStateReturn
386 gst_mikmod_change_state (GstElement *element)
390 g_return_val_if_fail (GST_IS_MIKMOD (element), GST_STATE_FAILURE);
392 mikmod = GST_MIKMOD (element);
394 GST_DEBUG ("state pending %d", GST_STATE_PENDING (element));
396 if (GST_STATE_PENDING (element) == GST_STATE_READY)
398 gst_mikmod_setup(mikmod);
400 if ( Player_Active() )
402 Player_TogglePause();
403 Player_SetPosition( 0 );
405 mikmod->initialized = FALSE;
408 if (GST_STATE_PENDING (element) == GST_STATE_PLAYING)
410 if ( Player_Active() && Player_Paused() )
411 Player_TogglePause();
413 if ( ! Player_Active() )
414 Player_Start(module);
418 if (GST_STATE_PENDING (element) == GST_STATE_PAUSED)
419 if ( Player_Active() && ! Player_Paused() )
420 Player_TogglePause();
422 if (GST_STATE_PENDING (element) == GST_STATE_NULL)
426 if (GST_ELEMENT_CLASS (parent_class)->change_state)
427 return GST_ELEMENT_CLASS (parent_class)->change_state (element);
429 return GST_STATE_SUCCESS;
435 gst_mikmod_set_property (GObject *object, guint id, const GValue *value, GParamSpec *pspec )
439 /* it's not null if we got it, but it might not be ours */
440 g_return_if_fail(GST_IS_MIKMOD(object));
441 filter = GST_MIKMOD(object);
445 g_free (filter->songname);
446 filter->songname = g_strdup (g_value_get_string (value));
449 g_free (filter->modtype);
450 filter->modtype = g_strdup (g_value_get_string (value));
452 case ARG_MUSICVOLUME:
453 filter->musicvolume = g_value_get_int (value);
456 filter->pansep = g_value_get_int (value);
459 filter->reverb = g_value_get_int (value);
461 case ARG_SNDFXVOLUME:
462 filter->sndfxvolume = g_value_get_int (value);
465 filter->volume = g_value_get_int (value);
468 filter->interp = g_value_get_boolean (value);
471 filter->reverse = g_value_get_boolean (value);
474 filter->surround = g_value_get_boolean (value);
477 filter->hqmixer = g_value_get_boolean (value);
480 filter->soft_music = g_value_get_boolean (value);
483 filter->soft_sndfx = g_value_get_boolean (value);
491 gst_mikmod_get_property (GObject *object, guint id, GValue *value, GParamSpec *pspec )
495 /* it's not null if we got it, but it might not be ours */
496 g_return_if_fail(GST_IS_MIKMOD(object));
497 filter = GST_MIKMOD(object);
500 case ARG_MUSICVOLUME:
501 g_value_set_int (value, filter->musicvolume);
504 g_value_set_int (value, filter->pansep);
507 g_value_set_int (value, filter->reverb);
509 case ARG_SNDFXVOLUME:
510 g_value_set_int (value, filter->sndfxvolume);
513 g_value_set_int (value, filter->volume);
516 g_value_set_boolean (value, filter->interp);
519 g_value_set_boolean (value, filter->reverse);
522 g_value_set_boolean (value, filter->surround);
525 g_value_set_boolean (value, filter->hqmixer);
528 g_value_set_boolean (value, filter->soft_music);
531 g_value_set_boolean (value, filter->soft_sndfx);
539 plugin_init (GstPlugin *plugin)
541 if (!gst_element_register (plugin, "mikmod", GST_RANK_SECONDARY, GST_TYPE_MIKMOD))
551 "Mikmod plugin library",