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 */
64 GstClockTime timestamp;
67 static GstStaticPadTemplate mikmod_src_factory = GST_STATIC_PAD_TEMPLATE ("src",
70 GST_STATIC_CAPS ("audio/x-raw-int, "
71 "endianness = (int) BYTE_ORDER, "
72 "signed = (boolean) TRUE, "
75 "rate = (int) { 8000, 11025, 22050, 44100 }, "
76 "channels = (int) [ 1, 2 ]; "
78 "signed = (boolean) FALSE, "
81 "rate = (int) { 8000, 11025, 22050, 44100 }, "
82 "channels = (int) [ 1, 2 ]")
85 static GstStaticPadTemplate mikmod_sink_factory =
86 GST_STATIC_PAD_TEMPLATE ("sink",
89 GST_STATIC_CAPS ("audio/x-mod")
92 static void gst_mikmod_base_init (gpointer g_class);
93 static void gst_mikmod_class_init (GstMikModClass * klass);
94 static void gst_mikmod_init (GstMikMod * filter);
95 static void gst_mikmod_set_property (GObject * object, guint id,
96 const GValue * value, GParamSpec * pspec);
97 static void gst_mikmod_get_property (GObject * object, guint id, GValue * value,
99 static GstPadLinkReturn gst_mikmod_srclink (GstPad * pad, const GstCaps * caps);
100 static GstCaps *gst_mikmod_srcfixate (GstPad * pad, const GstCaps * caps);
101 static void gst_mikmod_loop (GstElement * element);
102 static gboolean gst_mikmod_setup (GstMikMod * mikmod);
103 static GstElementStateReturn gst_mikmod_change_state (GstElement * element);
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,
127 g_type_register_static (GST_TYPE_ELEMENT, "GstMikmod", &mikmod_info, 0);
133 gst_mikmod_base_init (gpointer g_class)
135 GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
137 gst_element_class_add_pad_template (element_class,
138 gst_static_pad_template_get (&mikmod_src_factory));
139 gst_element_class_add_pad_template (element_class,
140 gst_static_pad_template_get (&mikmod_sink_factory));
141 gst_element_class_set_details (element_class, &mikmod_details);
145 gst_mikmod_class_init (GstMikModClass * klass)
147 GObjectClass *gobject_class;
148 GstElementClass *gstelement_class;
150 gobject_class = (GObjectClass *) klass;
151 gstelement_class = (GstElementClass *) klass;
153 parent_class = g_type_class_ref (GST_TYPE_ELEMENT);
155 g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_SONGNAME,
156 g_param_spec_string ("songname", "songname", "songname",
157 NULL, G_PARAM_READABLE));
158 g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_MODTYPE,
159 g_param_spec_string ("modtype", "modtype", "modtype",
160 NULL, G_PARAM_READABLE));
161 g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_MUSICVOLUME,
162 g_param_spec_int ("musicvolume", "musivolume", "musicvolume",
163 0, 128, 128, G_PARAM_READWRITE));
164 g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_PANSEP,
165 g_param_spec_int ("pansep", "pansep", "pansep",
166 0, 128, 128, G_PARAM_READWRITE));
167 g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_REVERB,
168 g_param_spec_int ("reverb", "reverb", "reverb",
169 0, 15, 0, G_PARAM_READWRITE));
170 g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_SNDFXVOLUME,
171 g_param_spec_int ("sndfxvolume", "sndfxvolume", "sndfxvolume",
172 0, 128, 128, G_PARAM_READWRITE));
173 g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_VOLUME,
174 g_param_spec_int ("volume", "volume", "volume",
175 0, 128, 96, G_PARAM_READWRITE));
177 g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_INTERP,
178 g_param_spec_boolean ("interp", "interp", "interp",
179 FALSE, G_PARAM_READWRITE));
180 g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_REVERSE,
181 g_param_spec_boolean ("reverse", "reverse", "reverse",
182 FALSE, G_PARAM_READWRITE));
183 g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_SURROUND,
184 g_param_spec_boolean ("surround", "surround", "surround",
185 TRUE, G_PARAM_READWRITE));
186 g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_HQMIXER,
187 g_param_spec_boolean ("hqmixer", "hqmixer", "hqmixer",
188 FALSE, G_PARAM_READWRITE));
189 g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_SOFT_MUSIC,
190 g_param_spec_boolean ("soft_music", "soft_music", "soft_music",
191 TRUE, G_PARAM_READWRITE));
192 g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_SOFT_SNDFX,
193 g_param_spec_boolean ("soft_sndfx", "soft_sndfx", "soft_sndfx",
194 TRUE, G_PARAM_READWRITE));
197 gobject_class->set_property = gst_mikmod_set_property;
198 gobject_class->get_property = gst_mikmod_get_property;
200 gstelement_class->change_state = gst_mikmod_change_state;
205 gst_mikmod_init (GstMikMod * filter)
208 gst_pad_new_from_template (gst_static_pad_template_get
209 (&mikmod_sink_factory), "sink");
211 gst_pad_new_from_template (gst_static_pad_template_get
212 (&mikmod_src_factory), "src");
214 gst_element_add_pad (GST_ELEMENT (filter), filter->sinkpad);
215 gst_element_add_pad (GST_ELEMENT (filter), filter->srcpad);
216 gst_pad_set_link_function (filter->srcpad, gst_mikmod_srclink);
217 gst_pad_set_fixate_function (filter->srcpad, gst_mikmod_srcfixate);
219 gst_element_set_loop_function (GST_ELEMENT (filter), gst_mikmod_loop);
221 filter->Buffer = NULL;
223 filter->stereo = TRUE;
224 filter->surround = TRUE;
225 filter->_16bit = TRUE;
226 filter->soft_music = TRUE;
227 filter->soft_sndfx = TRUE;
228 filter->mixfreq = 44100;
230 filter->pansep = 128;
231 filter->musicvolume = 128;
233 filter->sndfxvolume = 128;
234 filter->songname = NULL;
235 filter->modtype = NULL;
237 filter->initialized = FALSE;
241 gst_mikmod_srcfixate (GstPad * pad, const GstCaps * caps)
244 GstStructure *structure;
246 /* FIXME: select est caps here */
247 if (gst_caps_get_size (caps) > 1)
250 ret = gst_caps_copy (caps);
251 structure = gst_caps_get_structure (ret, 0);
253 if (gst_caps_structure_fixate_field_nearest_int (structure, "channels", 2))
255 if (gst_caps_structure_fixate_field_nearest_int (structure, "rate", 44100))
262 static GstPadLinkReturn
263 gst_mikmod_srclink (GstPad * pad, const GstCaps * caps)
266 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 return gst_mikmod_setup (filter) ? GST_PAD_LINK_OK : GST_PAD_LINK_REFUSED;
284 gst_mikmod_loop (GstElement * element)
287 GstBuffer *buffer_in;
289 g_return_if_fail (element != NULL);
290 g_return_if_fail (GST_IS_MIKMOD (element));
292 mikmod = GST_MIKMOD (element);
293 srcpad = mikmod->srcpad;
294 mikmod->Buffer = NULL;
296 if (!mikmod->initialized) {
297 while ((buffer_in = GST_BUFFER (gst_pad_pull (mikmod->sinkpad)))) {
298 if (GST_IS_EVENT (buffer_in)) {
299 GstEvent *event = GST_EVENT (buffer_in);
301 if (GST_EVENT_TYPE (event) == GST_EVENT_EOS)
304 if (mikmod->Buffer) {
307 merge = gst_buffer_merge (mikmod->Buffer, buffer_in);
308 gst_buffer_unref (buffer_in);
309 gst_buffer_unref (mikmod->Buffer);
310 mikmod->Buffer = merge;
312 mikmod->Buffer = buffer_in;
317 if (!GST_PAD_CAPS (mikmod->srcpad)) {
318 if (GST_PAD_LINK_SUCCESSFUL (gst_pad_renegotiate (mikmod->srcpad))) {
319 GST_ELEMENT_ERROR (mikmod, CORE, NEGOTIATION, (NULL), (NULL));
324 MikMod_RegisterDriver (&drv_gst);
325 MikMod_RegisterAllLoaders ();
328 reader = GST_READER_new (mikmod);
329 module = Player_LoadGeneric (reader, 64, 0);
331 gst_buffer_unref (mikmod->Buffer);
333 if (!Player_Active ())
334 Player_Start (module);
336 mikmod->initialized = TRUE;
339 if (Player_Active ()) {
340 timestamp = (module->sngtime / 1024.0) * GST_SECOND;
343 gst_element_set_eos (GST_ELEMENT (mikmod));
344 gst_pad_push (mikmod->srcpad, GST_DATA (gst_event_new (GST_EVENT_EOS)));
350 gst_mikmod_setup (GstMikMod * mikmod)
352 md_musicvolume = mikmod->musicvolume;
353 md_pansep = mikmod->pansep;
354 md_reverb = mikmod->reverb;
355 md_sndfxvolume = mikmod->sndfxvolume;
356 md_volume = mikmod->volume;
357 md_mixfreq = mikmod->mixfreq;
362 md_mode = md_mode | DMODE_INTERP;
365 md_mode = md_mode | DMODE_REVERSE;
367 if (mikmod->surround)
368 md_mode = md_mode | DMODE_SURROUND;
371 md_mode = md_mode | DMODE_16BITS;
374 md_mode = md_mode | DMODE_HQMIXER;
376 if (mikmod->soft_music)
377 md_mode = md_mode | DMODE_SOFT_MUSIC;
379 if (mikmod->soft_sndfx)
380 md_mode = md_mode | DMODE_SOFT_SNDFX;
383 md_mode = md_mode | DMODE_STEREO;
389 static GstElementStateReturn
390 gst_mikmod_change_state (GstElement * element)
394 g_return_val_if_fail (GST_IS_MIKMOD (element), GST_STATE_FAILURE);
396 mikmod = GST_MIKMOD (element);
398 GST_DEBUG ("state pending %d", GST_STATE_PENDING (element));
400 if (GST_STATE_PENDING (element) == GST_STATE_READY) {
401 gst_mikmod_setup (mikmod);
403 if (Player_Active ()) {
404 Player_TogglePause ();
405 Player_SetPosition (0);
407 mikmod->initialized = FALSE;
410 if (GST_STATE_PENDING (element) == GST_STATE_PLAYING) {
411 if (Player_Active () && Player_Paused ())
412 Player_TogglePause ();
413 else 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,
440 /* it's not null if we got it, but it might not be ours */
441 g_return_if_fail (GST_IS_MIKMOD (object));
442 filter = GST_MIKMOD (object);
446 g_free (filter->songname);
447 filter->songname = g_strdup (g_value_get_string (value));
450 g_free (filter->modtype);
451 filter->modtype = g_strdup (g_value_get_string (value));
453 case ARG_MUSICVOLUME:
454 filter->musicvolume = g_value_get_int (value);
457 filter->pansep = g_value_get_int (value);
460 filter->reverb = g_value_get_int (value);
462 case ARG_SNDFXVOLUME:
463 filter->sndfxvolume = g_value_get_int (value);
466 filter->volume = g_value_get_int (value);
469 filter->interp = g_value_get_boolean (value);
472 filter->reverse = g_value_get_boolean (value);
475 filter->surround = g_value_get_boolean (value);
478 filter->hqmixer = g_value_get_boolean (value);
481 filter->soft_music = g_value_get_boolean (value);
484 filter->soft_sndfx = g_value_get_boolean (value);
492 gst_mikmod_get_property (GObject * object, guint id, GValue * value,
497 /* it's not null if we got it, but it might not be ours */
498 g_return_if_fail (GST_IS_MIKMOD (object));
499 filter = GST_MIKMOD (object);
502 case ARG_MUSICVOLUME:
503 g_value_set_int (value, filter->musicvolume);
506 g_value_set_int (value, filter->pansep);
509 g_value_set_int (value, filter->reverb);
511 case ARG_SNDFXVOLUME:
512 g_value_set_int (value, filter->sndfxvolume);
515 g_value_set_int (value, filter->volume);
518 g_value_set_boolean (value, filter->interp);
521 g_value_set_boolean (value, filter->reverse);
524 g_value_set_boolean (value, filter->surround);
527 g_value_set_boolean (value, filter->hqmixer);
530 g_value_set_boolean (value, filter->soft_music);
533 g_value_set_boolean (value, filter->soft_sndfx);
541 plugin_init (GstPlugin * plugin)
543 if (!gst_element_register (plugin, "mikmod", GST_RANK_SECONDARY,
550 GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
553 "Mikmod plugin library",
554 plugin_init, VERSION, "GPL", GST_PACKAGE, GST_ORIGIN)