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gstreamer/ext/sidplay/gstsiddec.cc
Andy Wingo 06989d4c52 a hack to work around intltool's brokenness a current check for mpeg2dec details->klass reorganizations an element br... 
Original commit message from CVS:
* a hack to work around intltool's brokenness
* a current check for mpeg2dec
* details->klass reorganizations
* an element browser that uses details->klass
* separated cdxa parse out from the avi directory
2002-04-20 21:42:51 +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.
*/
#include <string.h>
#include "gstsiddec.h"
/* elementfactory information */
static GstElementDetails gst_siddec_details = {
"Sid decoder",
"Codec/Audio/Decoder",
"Use sidplay to decode SID audio tunes",
VERSION,
"Wim Taymans <wim.taymans@chello.be> ",
"(C) 2001",
};
static GstCaps* sid_typefind (GstBuffer *buf, gpointer priv);
/* typefactory for 'sid' */
static GstTypeDefinition siddefinition = {
"siddec_audio/sid",
"audio/sid",
".sid",
sid_typefind,
};
/* Sidec signals and args */
enum {
/* FILL ME */
LAST_SIGNAL
};
enum {
ARG_0,
ARG_DEPTH,
ARG_CHANNELS,
ARG_FREQUENCY,
ARG_TUNE,
ARG_CLOCK,
ARG_MEMORY,
ARG_FILTER,
ARG_MEASURED_VOLUME,
ARG_MOS8580,
ARG_FORCE_SPEED,
/* FILL ME */
};
GST_PAD_TEMPLATE_FACTORY (sink_templ,
"sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_CAPS_NEW (
"siddecoder_sink",
"audio/sid",
NULL
)
)
GST_PAD_TEMPLATE_FACTORY (src_templ,
"src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_CAPS_NEW (
"src_audio",
"audio/raw",
"format", GST_PROPS_STRING ("int"),
"law", GST_PROPS_INT (0),
"endianness", GST_PROPS_INT (G_BYTE_ORDER),
"signed", GST_PROPS_LIST (
GST_PROPS_BOOLEAN (TRUE),
GST_PROPS_BOOLEAN (FALSE)
),
"width", GST_PROPS_LIST (
GST_PROPS_INT (8),
GST_PROPS_INT (16)
),
"depth", GST_PROPS_LIST (
GST_PROPS_INT (8),
GST_PROPS_INT (16)
),
"rate", GST_PROPS_INT_RANGE (8000, 48000),
"channels", GST_PROPS_INT_RANGE (1, 2)
)
)
enum {
SID_STATE_NEED_TUNE = 1,
SID_STATE_LOAD_TUNE = 2,
SID_STATE_PLAY_TUNE = 3,
};
#define GST_TYPE_SID_DEPTH (gst_sid_depth_get_type())
static GType
gst_sid_depth_get_type (void)
{
static GType sid_depth_type = 0;
static GEnumValue sid_depth[] = {
{ SIDEMU_8BIT, "8", "8 bit" },
{ SIDEMU_16BIT, "16", "16 bit" },
{ 0, NULL, NULL },
};
if (!sid_depth_type) {
sid_depth_type = g_enum_register_static ("GstSidDepth", sid_depth);
}
return sid_depth_type;
}
#define GST_TYPE_SID_CHANNELS (gst_sid_channels_get_type())
static GType
gst_sid_channels_get_type (void)
{
static GType sid_channels_type = 0;
static GEnumValue sid_channels[] = {
{ SIDEMU_MONO, "1", "Mono" },
{ SIDEMU_STEREO, "2", "Stereo" },
{ 0, NULL, NULL },
};
if (!sid_channels_type) {
sid_channels_type = g_enum_register_static ("GstSidChannels", sid_channels);
}
return sid_channels_type;
}
#define GST_TYPE_SID_FREQUENCY (gst_sid_frequency_get_type())
static GType
gst_sid_frequency_get_type (void)
{
static GType sid_frequency_type = 0;
static GEnumValue sid_frequency[] = {
{ 8000, "8000", "8000 Hz" },
{ 11025, "11025", "11025 Hz" },
{ 16500, "16500", "16500 Hz" },
{ 22050, "22050", "22050 Hz" },
{ 27500, "27500", "27500 Hz" },
{ 32000, "32000", "32000 Hz" },
{ 37500, "37500", "37500 Hz" },
{ 44100, "44100", "44100 Hz" },
{ 48000, "48000", "48000 Hz" },
{ 0, NULL, NULL },
};
if (!sid_frequency_type) {
sid_frequency_type = g_enum_register_static ("GstSidFrequency", sid_frequency);
}
return sid_frequency_type;
}
#define GST_TYPE_SID_CLOCK (gst_sid_clock_get_type())
static GType
gst_sid_clock_get_type (void)
{
static GType sid_clock_type = 0;
static GEnumValue sid_clock[] = {
{ SIDTUNE_CLOCK_PAL, "0", "PAL" },
{ SIDTUNE_CLOCK_NTSC, "1", "NTSC" },
{ 0, NULL, NULL },
};
if (!sid_clock_type) {
sid_clock_type = g_enum_register_static ("GstSidClock", sid_clock);
}
return sid_clock_type;
}
#define GST_TYPE_SID_MEMORY (gst_sid_memory_get_type())
static GType
gst_sid_memory_get_type (void)
{
static GType sid_memory_type = 0;
static GEnumValue sid_memory[] = {
{ MPU_BANK_SWITCHING, "32", "Bank Switching" },
{ MPU_TRANSPARENT_ROM, "33", "Transparent ROM" },
{ MPU_PLAYSID_ENVIRONMENT, "34", "Playsid Environment" },
{ 0, NULL, NULL },
};
if (!sid_memory_type) {
sid_memory_type = g_enum_register_static ("GstSidMemory", sid_memory);
}
return sid_memory_type;
}
static void gst_siddec_class_init (GstSidDec *klass);
static void gst_siddec_init (GstSidDec *siddec);
static void gst_siddec_loop (GstElement *element);
static void gst_siddec_get_property (GObject *object, guint prop_id,
GValue *value, GParamSpec *pspec);
static void gst_siddec_set_property (GObject *object, guint prop_id,
const GValue *value, GParamSpec *pspec);
static GstElementClass *parent_class = NULL;
//static guint gst_siddec_signals[LAST_SIGNAL] = { 0 };
GType
gst_siddec_get_type (void)
{
static GType siddec_type = 0;
if (!siddec_type) {
static const GTypeInfo siddec_info = {
sizeof(GstSidDecClass),
NULL,
NULL,
(GClassInitFunc) gst_siddec_class_init,
NULL,
NULL,
sizeof(GstSidDec),
0,
(GInstanceInitFunc) gst_siddec_init,
NULL
};
siddec_type = g_type_register_static (GST_TYPE_ELEMENT, "GstSidDec", &siddec_info, (GTypeFlags)0);
}
return siddec_type;
}
static GstCaps*
sid_typefind (GstBuffer *buf, gpointer priv)
{
guchar *data = GST_BUFFER_DATA (buf);
GstCaps *newcaps;
GST_DEBUG (0,"sid_demux: typefind");
if (strncmp ((const char *)data, "PSID", 4))
return NULL;
newcaps = gst_caps_new ("sid_typefind","audio/sid", NULL);
return newcaps;
}
static void
gst_siddec_class_init (GstSidDec *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_DEPTH,
g_param_spec_enum ("depth", "depth", "depth",
GST_TYPE_SID_DEPTH, SIDEMU_16BIT, (GParamFlags)G_PARAM_READWRITE));
g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_CHANNELS,
g_param_spec_enum ("channels", "channels", "channels",
GST_TYPE_SID_CHANNELS, SIDEMU_STEREO, (GParamFlags)G_PARAM_READWRITE));
g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_FREQUENCY,
g_param_spec_enum ("frequency", "frequency", "frequency",
GST_TYPE_SID_FREQUENCY, 44100, (GParamFlags)G_PARAM_READWRITE));
g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_TUNE,
g_param_spec_int ("tune", "tune", "tune",
1, 100, 1, (GParamFlags)G_PARAM_READWRITE));
g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_CLOCK,
g_param_spec_enum ("clock", "clock", "clock",
GST_TYPE_SID_CLOCK, SIDTUNE_CLOCK_PAL, (GParamFlags)G_PARAM_READWRITE));
g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_MEMORY,
g_param_spec_enum ("memory", "memory", "memory",
GST_TYPE_SID_MEMORY, MPU_PLAYSID_ENVIRONMENT, (GParamFlags)G_PARAM_READWRITE));
g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_FILTER,
g_param_spec_boolean ("filter", "filter", "filter",
TRUE, (GParamFlags)G_PARAM_READWRITE));
g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_MEASURED_VOLUME,
g_param_spec_boolean ("measured_volume", "measured_volume", "measured_volume",
TRUE, (GParamFlags)G_PARAM_READWRITE));
g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_MOS8580,
g_param_spec_boolean ("mos8580", "mos8580", "mos8580",
TRUE, (GParamFlags)G_PARAM_READWRITE));
g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_FORCE_SPEED,
g_param_spec_boolean ("force_speed", "force_speed", "force_speed",
TRUE, (GParamFlags)G_PARAM_READWRITE));
gobject_class->set_property = gst_siddec_set_property;
gobject_class->get_property = gst_siddec_get_property;
}
static void
gst_siddec_init (GstSidDec *siddec)
{
siddec->sinkpad = gst_pad_new_from_template (
GST_PAD_TEMPLATE_GET (sink_templ), "sink");
gst_element_add_pad (GST_ELEMENT (siddec), siddec->sinkpad);
siddec->srcpad = gst_pad_new_from_template (
GST_PAD_TEMPLATE_GET (src_templ), "src");
gst_element_add_pad (GST_ELEMENT (siddec), siddec->srcpad);
gst_element_set_loop_function (GST_ELEMENT (siddec), gst_siddec_loop);
siddec->engine = new emuEngine();
siddec->tune = new sidTune(0);
siddec->config = (emuConfig *)g_malloc (sizeof (emuConfig));
siddec->config->frequency = 44100; // frequency
siddec->config->bitsPerSample = SIDEMU_16BIT; // bits per sample
siddec->config->sampleFormat = SIDEMU_SIGNED_PCM; // sample fomat
siddec->config->channels = SIDEMU_STEREO; // channels
siddec->config->sidChips = 0; // -
siddec->config->volumeControl = SIDEMU_NONE; // volume control
siddec->config->mos8580 = TRUE; // mos8580
siddec->config->measuredVolume = TRUE; // measure volume
siddec->config->emulateFilter = TRUE; // emulate filter
siddec->config->filterFs = SIDEMU_DEFAULTFILTERFS; // filter Fs
siddec->config->filterFm = SIDEMU_DEFAULTFILTERFM; // filter Fm
siddec->config->filterFt = SIDEMU_DEFAULTFILTERFT; // filter Ft
siddec->config->memoryMode = MPU_PLAYSID_ENVIRONMENT; // memory mode
siddec->config->clockSpeed = SIDTUNE_CLOCK_PAL; // clock speed
siddec->config->forceSongSpeed = TRUE; // force song speed
siddec->config->digiPlayerScans = 0; // digi player scans
siddec->config->autoPanning = SIDEMU_NONE; // auto panning
siddec->engine->setConfig (*siddec->config);
siddec->engine->setDefaultFilterStrength ();
siddec->state = SID_STATE_NEED_TUNE;
siddec->tune_buffer = (guchar *) g_malloc (maxSidtuneFileLen);
siddec->tune_len = 0;
siddec->tune_number = 1;
}
static void
gst_siddec_loop (GstElement *element)
{
GstSidDec *siddec;
siddec = GST_SIDDEC (element);
if (siddec->state == SID_STATE_NEED_TUNE) {
GstBuffer *buf = gst_pad_pull (siddec->sinkpad);
g_assert (buf != NULL);
if (GST_IS_EVENT (buf)) {
switch (GST_EVENT_TYPE (buf)) {
case GST_EVENT_EOS:
siddec->state = SID_STATE_LOAD_TUNE;
break;
default:
// bail out, we're not going to do anything
gst_element_set_eos (element);
gst_pad_send_event (siddec->srcpad, gst_event_new (GST_EVENT_EOS));
break;
}
}
else {
memcpy (siddec->tune_buffer+siddec->tune_len, GST_BUFFER_DATA (buf), GST_BUFFER_SIZE (buf));
siddec->tune_len += GST_BUFFER_SIZE (buf);
gst_buffer_unref (buf);
}
}
if (siddec->state == SID_STATE_LOAD_TUNE) {
if (siddec->tune->load (siddec->tune_buffer, siddec->tune_len)) {
if (sidEmuInitializeSong (*siddec->engine, *siddec->tune, siddec->tune_number)) {
gst_pad_try_set_caps (siddec->srcpad,
GST_CAPS_NEW (
"siddec_src",
"audio/raw",
"format", GST_PROPS_STRING ("int"),
"law", GST_PROPS_INT (0),
"endianness", GST_PROPS_INT (G_BYTE_ORDER),
"signed", GST_PROPS_BOOLEAN (siddec->config->bitsPerSample==8?FALSE:TRUE),
"width", GST_PROPS_INT (siddec->config->bitsPerSample),
"depth", GST_PROPS_INT (siddec->config->bitsPerSample),
"rate", GST_PROPS_INT (siddec->config->frequency),
"channels", GST_PROPS_INT (siddec->config->channels)
));
siddec->state = SID_STATE_PLAY_TUNE;
}
else {
g_warning ("siddec: could not initialize song\n");
}
}
else {
g_warning ("siddec: could not load song\n");
}
}
if (siddec->state == SID_STATE_PLAY_TUNE) {
GstBuffer *out = gst_buffer_new ();
GST_BUFFER_SIZE (out) = 4096;
GST_BUFFER_DATA (out) = (guchar *)g_malloc (4096);
sidEmuFillBuffer (*siddec->engine, *siddec->tune,
GST_BUFFER_DATA (out), GST_BUFFER_SIZE (out));
gst_pad_push (siddec->srcpad, out);
}
}
static void
gst_siddec_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec)
{
GstSidDec *siddec;
/* it's not null if we got it, but it might not be ours */
g_return_if_fail(GST_IS_SIDDEC(object));
siddec = GST_SIDDEC(object);
switch(prop_id) {
case ARG_DEPTH:
siddec->config->bitsPerSample = g_value_get_enum (value);
siddec->config->sampleFormat = (siddec->config->bitsPerSample==8?
SIDEMU_UNSIGNED_PCM:
SIDEMU_SIGNED_PCM);
break;
case ARG_CHANNELS:
siddec->config->channels = g_value_get_enum (value);
break;
case ARG_FREQUENCY:
siddec->config->frequency = g_value_get_enum (value);
break;
case ARG_TUNE:
siddec->tune_number = g_value_get_int (value);
break;
case ARG_CLOCK:
siddec->config->clockSpeed = g_value_get_enum (value);
break;
case ARG_MEMORY:
siddec->config->memoryMode = g_value_get_enum (value);
break;
case ARG_FILTER:
siddec->config->emulateFilter = g_value_get_boolean (value);
break;
case ARG_MEASURED_VOLUME:
siddec->config->measuredVolume = g_value_get_boolean (value);
break;
case ARG_MOS8580:
siddec->config->mos8580 = g_value_get_boolean (value);
break;
case ARG_FORCE_SPEED:
siddec->config->forceSongSpeed = g_value_get_boolean (value);
break;
default:
/* G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); */
return;
}
siddec->engine->setConfig (*siddec->config);
}
static void
gst_siddec_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec)
{
GstSidDec *siddec;
/* it's not null if we got it, but it might not be ours */
g_return_if_fail(GST_IS_SIDDEC(object));
siddec = GST_SIDDEC(object);
switch(prop_id) {
case ARG_DEPTH:
g_value_set_enum (value, siddec->config->bitsPerSample);
break;
case ARG_CHANNELS:
g_value_set_enum (value, siddec->config->channels);
break;
case ARG_FREQUENCY:
g_value_set_enum (value, siddec->config->frequency);
break;
case ARG_TUNE:
g_value_set_int (value, siddec->tune_number);
break;
case ARG_CLOCK:
g_value_set_enum (value, siddec->config->clockSpeed);
break;
case ARG_MEMORY:
g_value_set_enum (value, siddec->config->memoryMode);
break;
case ARG_FILTER:
g_value_set_boolean (value, siddec->config->emulateFilter);
break;
case ARG_MEASURED_VOLUME:
g_value_set_boolean (value, siddec->config->measuredVolume);
break;
case ARG_MOS8580:
g_value_set_boolean (value, siddec->config->mos8580);
break;
case ARG_FORCE_SPEED:
g_value_set_boolean (value, siddec->config->forceSongSpeed);
break;
default:
/* G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); */
break;
}
}
static gboolean
plugin_init (GModule *module, GstPlugin *plugin)
{
GstElementFactory *factory;
GstTypeFactory *type;
/* create an elementfactory for the avi_demux element */
factory = gst_element_factory_new ("siddec",GST_TYPE_SIDDEC,
&gst_siddec_details);
g_return_val_if_fail (factory != NULL, FALSE);
gst_element_factory_add_pad_template (factory, GST_PAD_TEMPLATE_GET (src_templ));
gst_element_factory_add_pad_template (factory, GST_PAD_TEMPLATE_GET (sink_templ));
type = gst_type_factory_new (&siddefinition);
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,
"siddec",
plugin_init
};
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