/* GStreamer * Copyright (C) <1999> Erik Walthinsen * * 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. */ #ifdef HAVE_CONFIG_H #include "config.h" #endif #include "gstmikmod.h" #include /* elementfactory information */ GstElementDetails mikmod_details = { "MikMod", "Codec/Decoder/Audio", "Module decoder based on libmikmod", "Jeremy SIMON ", }; /* Filter signals and args */ enum { /* FILL ME */ LAST_SIGNAL }; enum { ARG_0, ARG_SONGNAME, ARG_MODTYPE, ARG_MUSICVOLUME, ARG_PANSEP, ARG_REVERB, ARG_SNDFXVOLUME, ARG_VOLUME, ARG_INTERP, ARG_REVERSE, ARG_SURROUND, ARG_HQMIXER, ARG_SOFT_MUSIC, ARG_SOFT_SNDFX }; MODULE *module; MREADER *reader; GstPad *srcpad; GstClockTime timestamp; int need_sync; static GstStaticPadTemplate mikmod_src_factory = GST_STATIC_PAD_TEMPLATE ("src", GST_PAD_SRC, GST_PAD_ALWAYS, GST_STATIC_CAPS ("audio/x-raw-int, " "endianness = (int) BYTE_ORDER, " "signed = (boolean) TRUE, " "width = (int) 16, " "depth = (int) 16, " "rate = (int) { 8000, 11025, 22050, 44100 }, " "channels = (int) [ 1, 2 ]; " "audio/x-raw-int, " "endianness = (int) BYTE_ORDER, " "signed = (boolean) FALSE, " "width = (int) 8, " "depth = (int) 8, " "rate = (int) { 8000, 11025, 22050, 44100 }, " "channels = (int) [ 1, 2 ]") ); static GstStaticPadTemplate mikmod_sink_factory = GST_STATIC_PAD_TEMPLATE ("sink", GST_PAD_SINK, GST_PAD_ALWAYS, GST_STATIC_CAPS ("audio/x-mod") ); static void gst_mikmod_base_init (gpointer g_class); static void gst_mikmod_class_init (GstMikModClass * klass); static void gst_mikmod_init (GstMikMod * filter); static void gst_mikmod_set_property (GObject * object, guint id, const GValue * value, GParamSpec * pspec); static void gst_mikmod_get_property (GObject * object, guint id, GValue * value, GParamSpec * pspec); static GstPadLinkReturn gst_mikmod_srclink (GstPad * pad, const GstCaps * caps); static GstCaps *gst_mikmod_srcfixate (GstPad * pad, const GstCaps * caps); static void gst_mikmod_loop (GstElement * element); static gboolean gst_mikmod_setup (GstMikMod * mikmod); static GstStateChangeReturn gst_mikmod_change_state (GstElement * element, GstStateChange transition); static GstElementClass *parent_class = NULL; GType gst_mikmod_get_type (void) { static GType mikmod_type = 0; if (!mikmod_type) { static const GTypeInfo mikmod_info = { sizeof (GstMikModClass), gst_mikmod_base_init, NULL, (GClassInitFunc) gst_mikmod_class_init, NULL, NULL, sizeof (GstMikMod), 0, (GInstanceInitFunc) gst_mikmod_init, }; mikmod_type = g_type_register_static (GST_TYPE_ELEMENT, "GstMikmod", &mikmod_info, 0); } return mikmod_type; } static void gst_mikmod_base_init (gpointer g_class) { GstElementClass *element_class = GST_ELEMENT_CLASS (g_class); gst_element_class_add_pad_template (element_class, gst_static_pad_template_get (&mikmod_src_factory)); gst_element_class_add_pad_template (element_class, gst_static_pad_template_get (&mikmod_sink_factory)); gst_element_class_set_details (element_class, &mikmod_details); } static void gst_mikmod_class_init (GstMikModClass * klass) { GObjectClass *gobject_class; GstElementClass *gstelement_class; gobject_class = (GObjectClass *) klass; gstelement_class = (GstElementClass *) klass; parent_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", "songname", NULL, G_PARAM_READABLE)); g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_MODTYPE, g_param_spec_string ("modtype", "modtype", "modtype", NULL, G_PARAM_READABLE)); g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_MUSICVOLUME, g_param_spec_int ("musicvolume", "musivolume", "musicvolume", 0, 128, 128, G_PARAM_READWRITE)); g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_PANSEP, g_param_spec_int ("pansep", "pansep", "pansep", 0, 128, 128, G_PARAM_READWRITE)); g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_REVERB, g_param_spec_int ("reverb", "reverb", "reverb", 0, 15, 0, G_PARAM_READWRITE)); g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_SNDFXVOLUME, g_param_spec_int ("sndfxvolume", "sndfxvolume", "sndfxvolume", 0, 128, 128, G_PARAM_READWRITE)); g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_VOLUME, g_param_spec_int ("volume", "volume", "volume", 0, 128, 96, G_PARAM_READWRITE)); g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_INTERP, g_param_spec_boolean ("interp", "interp", "interp", FALSE, G_PARAM_READWRITE)); g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_REVERSE, g_param_spec_boolean ("reverse", "reverse", "reverse", FALSE, G_PARAM_READWRITE)); g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_SURROUND, g_param_spec_boolean ("surround", "surround", "surround", TRUE, G_PARAM_READWRITE)); g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_HQMIXER, g_param_spec_boolean ("hqmixer", "hqmixer", "hqmixer", FALSE, G_PARAM_READWRITE)); g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_SOFT_MUSIC, g_param_spec_boolean ("soft_music", "soft_music", "soft_music", TRUE, G_PARAM_READWRITE)); g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_SOFT_SNDFX, g_param_spec_boolean ("soft_sndfx", "soft_sndfx", "soft_sndfx", TRUE, G_PARAM_READWRITE)); gobject_class->set_property = gst_mikmod_set_property; gobject_class->get_property = gst_mikmod_get_property; gstelement_class->change_state = gst_mikmod_change_state; } static void gst_mikmod_init (GstMikMod * filter) { filter->sinkpad = gst_pad_new_from_static_template (&mikmod_sink_factory, "sink"); filter->srcpad = gst_pad_new_from_static_template (&mikmod_src_factory, "src"); gst_element_add_pad (GST_ELEMENT (filter), filter->sinkpad); gst_element_add_pad (GST_ELEMENT (filter), filter->srcpad); gst_pad_set_link_function (filter->srcpad, gst_mikmod_srclink); gst_pad_set_fixate_function (filter->srcpad, gst_mikmod_srcfixate); gst_element_set_loop_function (GST_ELEMENT (filter), gst_mikmod_loop); filter->Buffer = NULL; filter->stereo = TRUE; filter->surround = TRUE; filter->_16bit = TRUE; filter->soft_music = TRUE; filter->soft_sndfx = TRUE; filter->mixfreq = 44100; filter->reverb = 0; filter->pansep = 128; filter->musicvolume = 128; filter->volume = 96; filter->sndfxvolume = 128; filter->songname = NULL; filter->modtype = NULL; filter->initialized = FALSE; } static GstCaps * gst_mikmod_srcfixate (GstPad * pad, const GstCaps * caps) { GstCaps *ret; GstStructure *structure; /* FIXME: select est caps here */ if (gst_caps_get_size (caps) > 1) return NULL; ret = gst_caps_copy (caps); structure = gst_caps_get_structure (ret, 0); if (gst_structure_fixate_field_nearest_int (structure, "channels", 2)) return ret; if (gst_structure_fixate_field_nearest_int (structure, "rate", 44100)) return ret; gst_caps_free (ret); return NULL; } static GstPadLinkReturn gst_mikmod_srclink (GstPad * pad, const GstCaps * caps) { GstMikMod *filter; GstStructure *structure; gint depth; gint channels; gboolean result; filter = GST_MIKMOD (gst_pad_get_parent (pad)); structure = gst_caps_get_structure (caps, 0); gst_structure_get_int (structure, "depth", &depth); filter->_16bit = (depth == 16); gst_structure_get_int (structure, "channels", &channels); filter->stereo = (channels == 2); gst_structure_get_int (structure, "rate", &filter->mixfreq); result = gst_mikmod_setup (filter); gst_object_unref (filter); if (result) { return GST_PAD_LINK_OK; } else { return GST_PAD_LINK_REFUSED; } } static void gst_mikmod_loop (GstElement * element) { GstMikMod *mikmod; GstBuffer *buffer_in; g_return_if_fail (element != NULL); g_return_if_fail (GST_IS_MIKMOD (element)); mikmod = GST_MIKMOD (element); srcpad = mikmod->srcpad; mikmod->Buffer = NULL; if (!mikmod->initialized) { while ((buffer_in = GST_BUFFER (gst_pad_pull (mikmod->sinkpad)))) { if (GST_IS_EVENT (buffer_in)) { GstEvent *event = GST_EVENT (buffer_in); if (GST_EVENT_TYPE (event) == GST_EVENT_EOS) break; } else { if (mikmod->Buffer) { GstBuffer *merge; merge = gst_buffer_merge (mikmod->Buffer, buffer_in); gst_buffer_unref (buffer_in); gst_buffer_unref (mikmod->Buffer); mikmod->Buffer = merge; } else { mikmod->Buffer = buffer_in; } } } if (!GST_PAD_CAPS (mikmod->srcpad)) { if (GST_PAD_LINK_SUCCESSFUL (gst_pad_renegotiate (mikmod->srcpad))) { GST_ELEMENT_ERROR (mikmod, CORE, NEGOTIATION, (NULL), (NULL)); return; } } MikMod_RegisterDriver (&drv_gst); MikMod_RegisterAllLoaders (); MikMod_Init (""); reader = GST_READER_new (mikmod); module = Player_LoadGeneric (reader, 64, 0); gst_buffer_unref (mikmod->Buffer); if (!Player_Active ()) Player_Start (module); mikmod->initialized = TRUE; } if (Player_Active ()) { timestamp = (module->sngtime / 1024.0) * GST_SECOND; drv_gst.Update (); } else { gst_element_set_eos (GST_ELEMENT (mikmod)); gst_pad_push (mikmod->srcpad, GST_DATA (gst_event_new (GST_EVENT_EOS))); } } static gboolean gst_mikmod_setup (GstMikMod * mikmod) { md_musicvolume = mikmod->musicvolume; md_pansep = mikmod->pansep; md_reverb = mikmod->reverb; md_sndfxvolume = mikmod->sndfxvolume; md_volume = mikmod->volume; md_mixfreq = mikmod->mixfreq; md_mode = 0; if (mikmod->interp) md_mode = md_mode | DMODE_INTERP; if (mikmod->reverse) md_mode = md_mode | DMODE_REVERSE; if (mikmod->surround) md_mode = md_mode | DMODE_SURROUND; if (mikmod->_16bit) md_mode = md_mode | DMODE_16BITS; if (mikmod->hqmixer) md_mode = md_mode | DMODE_HQMIXER; if (mikmod->soft_music) md_mode = md_mode | DMODE_SOFT_MUSIC; if (mikmod->soft_sndfx) md_mode = md_mode | DMODE_SOFT_SNDFX; if (mikmod->stereo) md_mode = md_mode | DMODE_STEREO; return TRUE; } static GstStateChangeReturn gst_mikmod_change_state (GstElement * element, GstStateChange transition) { GstMikMod *mikmod; g_return_val_if_fail (GST_IS_MIKMOD (element), GST_STATE_CHANGE_FAILURE); mikmod = GST_MIKMOD (element); GST_DEBUG ("state pending %d", GST_STATE_PENDING (element)); if (GST_STATE_PENDING (element) == GST_STATE_READY) { gst_mikmod_setup (mikmod); if (Player_Active ()) { Player_TogglePause (); Player_SetPosition (0); } mikmod->initialized = FALSE; } if (GST_STATE_PENDING (element) == GST_STATE_PLAYING) { if (Player_Active () && Player_Paused ()) Player_TogglePause (); else if (!Player_Active ()) Player_Start (module); } if (GST_STATE_PENDING (element) == GST_STATE_PAUSED) if (Player_Active () && !Player_Paused ()) Player_TogglePause (); if (GST_STATE_PENDING (element) == GST_STATE_NULL) MikMod_Exit (); if (GST_ELEMENT_CLASS (parent_class)->change_state) return GST_ELEMENT_CLASS (parent_class)->change_state (element, transition); return GST_STATE_CHANGE_SUCCESS; } static void gst_mikmod_set_property (GObject * object, guint id, const GValue * value, GParamSpec * pspec) { GstMikMod *filter; g_return_if_fail (GST_IS_MIKMOD (object)); filter = GST_MIKMOD (object); switch (id) { case ARG_SONGNAME: g_free (filter->songname); filter->songname = g_strdup (g_value_get_string (value)); break; case ARG_MODTYPE: g_free (filter->modtype); filter->modtype = g_strdup (g_value_get_string (value)); break; case ARG_MUSICVOLUME: filter->musicvolume = g_value_get_int (value); break; case ARG_PANSEP: filter->pansep = g_value_get_int (value); break; case ARG_REVERB: filter->reverb = g_value_get_int (value); break; case ARG_SNDFXVOLUME: filter->sndfxvolume = g_value_get_int (value); break; case ARG_VOLUME: filter->volume = g_value_get_int (value); break; case ARG_INTERP: filter->interp = g_value_get_boolean (value); break; case ARG_REVERSE: filter->reverse = g_value_get_boolean (value); break; case ARG_SURROUND: filter->surround = g_value_get_boolean (value); break; case ARG_HQMIXER: filter->hqmixer = g_value_get_boolean (value); break; case ARG_SOFT_MUSIC: filter->soft_music = g_value_get_boolean (value); break; case ARG_SOFT_SNDFX: filter->soft_sndfx = g_value_get_boolean (value); break; default: break; } } static void gst_mikmod_get_property (GObject * object, guint id, GValue * value, GParamSpec * pspec) { GstMikMod *filter; g_return_if_fail (GST_IS_MIKMOD (object)); filter = GST_MIKMOD (object); switch (id) { case ARG_MUSICVOLUME: g_value_set_int (value, filter->musicvolume); break; case ARG_PANSEP: g_value_set_int (value, filter->pansep); break; case ARG_REVERB: g_value_set_int (value, filter->reverb); break; case ARG_SNDFXVOLUME: g_value_set_int (value, filter->sndfxvolume); break; case ARG_VOLUME: g_value_set_int (value, filter->volume); break; case ARG_INTERP: g_value_set_boolean (value, filter->interp); break; case ARG_REVERSE: g_value_set_boolean (value, filter->reverse); break; case ARG_SURROUND: g_value_set_boolean (value, filter->surround); break; case ARG_HQMIXER: g_value_set_boolean (value, filter->hqmixer); break; case ARG_SOFT_MUSIC: g_value_set_boolean (value, filter->soft_music); break; case ARG_SOFT_SNDFX: g_value_set_boolean (value, filter->soft_sndfx); break; default: break; } } static gboolean plugin_init (GstPlugin * plugin) { if (!gst_element_register (plugin, "mikmod", GST_RANK_SECONDARY, GST_TYPE_MIKMOD)) return FALSE; return TRUE; } GST_PLUGIN_DEFINE (GST_VERSION_MAJOR, GST_VERSION_MINOR, "mikmod", "Mikmod plugin library", plugin_init, VERSION, "LGPL", GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN)