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 = GST_ELEMENT_DETAILS ("MikMod audio decoder",
29 "Codec/Decoder/Audio",
30 "Module decoder based on libmikmod",
31 "Jeremy SIMON <jsimon13@yahoo.fr>");
34 /* Filter signals and args */
62 GstClockTime timestamp;
65 static GstStaticPadTemplate mikmod_src_factory = GST_STATIC_PAD_TEMPLATE ("src",
68 GST_STATIC_CAPS ("audio/x-raw-int, "
69 "endianness = (int) BYTE_ORDER, "
70 "signed = (boolean) TRUE, "
73 "rate = (int) { 8000, 11025, 22050, 44100 }, "
74 "channels = (int) [ 1, 2 ]; "
76 "endianness = (int) BYTE_ORDER, "
77 "signed = (boolean) FALSE, "
80 "rate = (int) { 8000, 11025, 22050, 44100 }, "
81 "channels = (int) [ 1, 2 ]")
84 static GstStaticPadTemplate mikmod_sink_factory =
85 GST_STATIC_PAD_TEMPLATE ("sink",
88 GST_STATIC_CAPS ("audio/x-mod")
91 static void gst_mikmod_base_init (gpointer g_class);
92 static void gst_mikmod_class_init (GstMikModClass * klass);
93 static void gst_mikmod_init (GstMikMod * filter);
94 static void gst_mikmod_set_property (GObject * object, guint id,
95 const GValue * value, GParamSpec * pspec);
96 static void gst_mikmod_get_property (GObject * object, guint id, GValue * value,
98 static GstPadLinkReturn gst_mikmod_srclink (GstPad * pad, const GstCaps * caps);
99 static GstCaps *gst_mikmod_srcfixate (GstPad * pad, const GstCaps * caps);
100 static void gst_mikmod_loop (GstElement * element);
101 static gboolean gst_mikmod_setup (GstMikMod * mikmod);
102 static GstStateChangeReturn gst_mikmod_change_state (GstElement * element,
103 GstStateChange transition);
107 static GstElementClass *parent_class = NULL;
110 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,
128 g_type_register_static (GST_TYPE_ELEMENT, "GstMikmod", &mikmod_info, 0);
134 gst_mikmod_base_init (gpointer g_class)
136 GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
138 gst_element_class_add_pad_template (element_class,
139 gst_static_pad_template_get (&mikmod_src_factory));
140 gst_element_class_add_pad_template (element_class,
141 gst_static_pad_template_get (&mikmod_sink_factory));
142 gst_element_class_set_details (element_class, &mikmod_details);
146 gst_mikmod_class_init (GstMikModClass * klass)
148 GObjectClass *gobject_class;
149 GstElementClass *gstelement_class;
151 gobject_class = (GObjectClass *) klass;
152 gstelement_class = (GstElementClass *) klass;
154 parent_class = g_type_class_peek_parent (klass);
156 g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_SONGNAME,
157 g_param_spec_string ("songname", "songname", "songname",
158 NULL, G_PARAM_READABLE));
159 g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_MODTYPE,
160 g_param_spec_string ("modtype", "modtype", "modtype",
161 NULL, G_PARAM_READABLE));
162 g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_MUSICVOLUME,
163 g_param_spec_int ("musicvolume", "musivolume", "musicvolume",
164 0, 128, 128, G_PARAM_READWRITE));
165 g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_PANSEP,
166 g_param_spec_int ("pansep", "pansep", "pansep",
167 0, 128, 128, G_PARAM_READWRITE));
168 g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_REVERB,
169 g_param_spec_int ("reverb", "reverb", "reverb",
170 0, 15, 0, G_PARAM_READWRITE));
171 g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_SNDFXVOLUME,
172 g_param_spec_int ("sndfxvolume", "sndfxvolume", "sndfxvolume",
173 0, 128, 128, G_PARAM_READWRITE));
174 g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_VOLUME,
175 g_param_spec_int ("volume", "volume", "volume",
176 0, 128, 96, G_PARAM_READWRITE));
178 g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_INTERP,
179 g_param_spec_boolean ("interp", "interp", "interp",
180 FALSE, G_PARAM_READWRITE));
181 g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_REVERSE,
182 g_param_spec_boolean ("reverse", "reverse", "reverse",
183 FALSE, G_PARAM_READWRITE));
184 g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_SURROUND,
185 g_param_spec_boolean ("surround", "surround", "surround",
186 TRUE, G_PARAM_READWRITE));
187 g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_HQMIXER,
188 g_param_spec_boolean ("hqmixer", "hqmixer", "hqmixer",
189 FALSE, G_PARAM_READWRITE));
190 g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_SOFT_MUSIC,
191 g_param_spec_boolean ("soft_music", "soft_music", "soft_music",
192 TRUE, G_PARAM_READWRITE));
193 g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_SOFT_SNDFX,
194 g_param_spec_boolean ("soft_sndfx", "soft_sndfx", "soft_sndfx",
195 TRUE, G_PARAM_READWRITE));
198 gobject_class->set_property = gst_mikmod_set_property;
199 gobject_class->get_property = gst_mikmod_get_property;
201 gstelement_class->change_state = gst_mikmod_change_state;
206 gst_mikmod_init (GstMikMod * filter)
209 gst_pad_new_from_static_template (&mikmod_sink_factory, "sink");
211 gst_pad_new_from_static_template (&mikmod_src_factory, "src");
213 gst_element_add_pad (GST_ELEMENT (filter), filter->sinkpad);
214 gst_element_add_pad (GST_ELEMENT (filter), filter->srcpad);
215 gst_pad_set_link_function (filter->srcpad, gst_mikmod_srclink);
216 gst_pad_set_fixate_function (filter->srcpad, gst_mikmod_srcfixate);
218 gst_element_set_loop_function (GST_ELEMENT (filter), gst_mikmod_loop);
220 filter->Buffer = NULL;
222 filter->stereo = TRUE;
223 filter->surround = TRUE;
224 filter->_16bit = TRUE;
225 filter->soft_music = TRUE;
226 filter->soft_sndfx = TRUE;
227 filter->mixfreq = 44100;
229 filter->pansep = 128;
230 filter->musicvolume = 128;
232 filter->sndfxvolume = 128;
233 filter->songname = NULL;
234 filter->modtype = NULL;
236 filter->initialized = FALSE;
240 gst_mikmod_srcfixate (GstPad * pad, const GstCaps * caps)
243 GstStructure *structure;
245 /* FIXME: select est caps here */
246 if (gst_caps_get_size (caps) > 1)
249 ret = gst_caps_copy (caps);
250 structure = gst_caps_get_structure (ret, 0);
252 if (gst_structure_fixate_field_nearest_int (structure, "channels", 2))
254 if (gst_structure_fixate_field_nearest_int (structure, "rate", 44100))
261 static GstPadLinkReturn
262 gst_mikmod_srclink (GstPad * pad, const GstCaps * caps)
265 GstStructure *structure;
270 filter = GST_MIKMOD (gst_pad_get_parent (pad));
272 structure = gst_caps_get_structure (caps, 0);
274 gst_structure_get_int (structure, "depth", &depth);
275 filter->_16bit = (depth == 16);
276 gst_structure_get_int (structure, "channels", &channels);
277 filter->stereo = (channels == 2);
278 gst_structure_get_int (structure, "rate", &filter->mixfreq);
280 result = gst_mikmod_setup (filter);
281 gst_object_unref (filter);
284 return GST_PAD_LINK_OK;
286 return GST_PAD_LINK_REFUSED;
291 gst_mikmod_loop (GstElement * element)
294 GstBuffer *buffer_in;
296 g_return_if_fail (element != NULL);
297 g_return_if_fail (GST_IS_MIKMOD (element));
299 mikmod = GST_MIKMOD (element);
300 srcpad = mikmod->srcpad;
301 mikmod->Buffer = NULL;
303 if (!mikmod->initialized) {
304 while ((buffer_in = GST_BUFFER (gst_pad_pull (mikmod->sinkpad)))) {
305 if (GST_IS_EVENT (buffer_in)) {
306 GstEvent *event = GST_EVENT (buffer_in);
308 if (GST_EVENT_TYPE (event) == GST_EVENT_EOS)
311 if (mikmod->Buffer) {
314 merge = gst_buffer_merge (mikmod->Buffer, buffer_in);
315 gst_buffer_unref (buffer_in);
316 gst_buffer_unref (mikmod->Buffer);
317 mikmod->Buffer = merge;
319 mikmod->Buffer = buffer_in;
324 if (!GST_PAD_CAPS (mikmod->srcpad)) {
325 if (GST_PAD_LINK_SUCCESSFUL (gst_pad_renegotiate (mikmod->srcpad))) {
326 GST_ELEMENT_ERROR (mikmod, CORE, NEGOTIATION, (NULL), (NULL));
331 MikMod_RegisterDriver (&drv_gst);
332 MikMod_RegisterAllLoaders ();
335 reader = GST_READER_new (mikmod);
336 module = Player_LoadGeneric (reader, 64, 0);
338 gst_buffer_unref (mikmod->Buffer);
340 if (!Player_Active ())
341 Player_Start (module);
343 mikmod->initialized = TRUE;
346 if (Player_Active ()) {
347 timestamp = (module->sngtime / 1024.0) * GST_SECOND;
350 gst_element_set_eos (GST_ELEMENT (mikmod));
351 gst_pad_push (mikmod->srcpad, GST_DATA (gst_event_new (GST_EVENT_EOS)));
357 gst_mikmod_setup (GstMikMod * mikmod)
359 md_musicvolume = mikmod->musicvolume;
360 md_pansep = mikmod->pansep;
361 md_reverb = mikmod->reverb;
362 md_sndfxvolume = mikmod->sndfxvolume;
363 md_volume = mikmod->volume;
364 md_mixfreq = mikmod->mixfreq;
369 md_mode = md_mode | DMODE_INTERP;
372 md_mode = md_mode | DMODE_REVERSE;
374 if (mikmod->surround)
375 md_mode = md_mode | DMODE_SURROUND;
378 md_mode = md_mode | DMODE_16BITS;
381 md_mode = md_mode | DMODE_HQMIXER;
383 if (mikmod->soft_music)
384 md_mode = md_mode | DMODE_SOFT_MUSIC;
386 if (mikmod->soft_sndfx)
387 md_mode = md_mode | DMODE_SOFT_SNDFX;
390 md_mode = md_mode | DMODE_STEREO;
396 static GstStateChangeReturn
397 gst_mikmod_change_state (GstElement * element, GstStateChange transition)
401 g_return_val_if_fail (GST_IS_MIKMOD (element), GST_STATE_CHANGE_FAILURE);
403 mikmod = GST_MIKMOD (element);
405 GST_DEBUG ("state pending %d", GST_STATE_PENDING (element));
407 if (GST_STATE_PENDING (element) == GST_STATE_READY) {
408 gst_mikmod_setup (mikmod);
410 if (Player_Active ()) {
411 Player_TogglePause ();
412 Player_SetPosition (0);
414 mikmod->initialized = FALSE;
417 if (GST_STATE_PENDING (element) == GST_STATE_PLAYING) {
418 if (Player_Active () && Player_Paused ())
419 Player_TogglePause ();
420 else if (!Player_Active ())
421 Player_Start (module);
425 if (GST_STATE_PENDING (element) == GST_STATE_PAUSED)
426 if (Player_Active () && !Player_Paused ())
427 Player_TogglePause ();
429 if (GST_STATE_PENDING (element) == GST_STATE_NULL)
433 if (GST_ELEMENT_CLASS (parent_class)->change_state)
434 return GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
436 return GST_STATE_CHANGE_SUCCESS;
442 gst_mikmod_set_property (GObject * object, guint id, const GValue * value,
447 g_return_if_fail (GST_IS_MIKMOD (object));
448 filter = GST_MIKMOD (object);
452 g_free (filter->songname);
453 filter->songname = g_strdup (g_value_get_string (value));
456 g_free (filter->modtype);
457 filter->modtype = g_strdup (g_value_get_string (value));
459 case ARG_MUSICVOLUME:
460 filter->musicvolume = g_value_get_int (value);
463 filter->pansep = g_value_get_int (value);
466 filter->reverb = g_value_get_int (value);
468 case ARG_SNDFXVOLUME:
469 filter->sndfxvolume = g_value_get_int (value);
472 filter->volume = g_value_get_int (value);
475 filter->interp = g_value_get_boolean (value);
478 filter->reverse = g_value_get_boolean (value);
481 filter->surround = g_value_get_boolean (value);
484 filter->hqmixer = g_value_get_boolean (value);
487 filter->soft_music = g_value_get_boolean (value);
490 filter->soft_sndfx = g_value_get_boolean (value);
498 gst_mikmod_get_property (GObject * object, guint id, GValue * value,
503 g_return_if_fail (GST_IS_MIKMOD (object));
504 filter = GST_MIKMOD (object);
507 case ARG_MUSICVOLUME:
508 g_value_set_int (value, filter->musicvolume);
511 g_value_set_int (value, filter->pansep);
514 g_value_set_int (value, filter->reverb);
516 case ARG_SNDFXVOLUME:
517 g_value_set_int (value, filter->sndfxvolume);
520 g_value_set_int (value, filter->volume);
523 g_value_set_boolean (value, filter->interp);
526 g_value_set_boolean (value, filter->reverse);
529 g_value_set_boolean (value, filter->surround);
532 g_value_set_boolean (value, filter->hqmixer);
535 g_value_set_boolean (value, filter->soft_music);
538 g_value_set_boolean (value, filter->soft_sndfx);
546 plugin_init (GstPlugin * plugin)
548 if (!gst_element_register (plugin, "mikmod", GST_RANK_SECONDARY,
555 GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
558 "Mikmod plugin library",
559 plugin_init, VERSION, "LGPL", GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN)