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gstreamer/ext/sidplay/gstsiddec.cc

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/* GStreamer
* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
* (C) <2006> Wim Taymans <wim@fluendo.com>
*
* 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., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
/**
* SECTION:element-siddec
*
* This element decodes .sid files to raw audio. .sid files are in fact
* small Commodore 64 programs that are executed on an emulated 6502 CPU and a
* MOS 6581 sound chip.
*
* This plugin will first load the complete program into memory before starting
* the emulator and producing output.
*
* Seeking is not (and cannot be) implemented.
*
* <refsect2>
* <title>Example pipelines</title>
* |[
* gst-launch -v filesrc location=Hawkeye.sid ! siddec ! audioconvert ! alsasink
* ]| Decode a sid file and play back the audio using alsasink.
* </refsect2>
*
* Last reviewed on 2006-12-30 (0.10.5)
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <string.h>
#include <gst/audio/audio.h>
#include "gstsiddec.h"
#define DEFAULT_TUNE 0
#define DEFAULT_CLOCK SIDTUNE_CLOCK_PAL
#define DEFAULT_MEMORY MPU_BANK_SWITCHING
#define DEFAULT_FILTER TRUE
#define DEFAULT_MEASURED_VOLUME TRUE
#define DEFAULT_MOS8580 FALSE
#define DEFAULT_FORCE_SPEED FALSE
#define DEFAULT_BLOCKSIZE 4096
enum
{
PROP_0,
PROP_TUNE,
PROP_CLOCK,
PROP_MEMORY,
PROP_FILTER,
PROP_MEASURED_VOLUME,
PROP_MOS8580,
PROP_FORCE_SPEED,
PROP_BLOCKSIZE,
PROP_METADATA
};
static GstStaticPadTemplate sink_templ = GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("audio/x-sid")
);
#define FORMATS "{ "GST_AUDIO_NE(S16)","GST_AUDIO_NE(U16)", S8, U8 }"
static GstStaticPadTemplate src_templ = GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("audio/x-raw, "
"format = (string) " FORMATS ", "
"layout = (string) interleaved, "
"rate = (int) [ 8000, 48000 ], " "channels = (int) [ 1, 2 ]")
);
GST_DEBUG_CATEGORY_STATIC (gst_siddec_debug);
#define GST_CAT_DEFAULT gst_siddec_debug
#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 const GEnumValue sid_clock[] = {
{SIDTUNE_CLOCK_PAL, "PAL", "pal"},
{SIDTUNE_CLOCK_NTSC, "NTSC", "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 const GEnumValue sid_memory[] = {
{MPU_BANK_SWITCHING, "Bank Switching", "bank-switching"},
{MPU_TRANSPARENT_ROM, "Transparent ROM", "transparent-rom"},
{MPU_PLAYSID_ENVIRONMENT, "Playsid Environment", "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_finalize (GObject * object);
static GstFlowReturn gst_siddec_chain (GstPad * pad, GstObject * parent,
GstBuffer * buffer);
static gboolean gst_siddec_sink_event (GstPad * pad, GstObject * parent,
GstEvent * event);
static gboolean gst_siddec_src_convert (GstPad * pad, GstFormat src_format,
gint64 src_value, GstFormat * dest_format, gint64 * dest_value);
static gboolean gst_siddec_src_event (GstPad * pad, GstObject * parent,
GstEvent * event);
static gboolean gst_siddec_src_query (GstPad * pad, GstObject * parent,
GstQuery * query);
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);
#define gst_siddec_parent_class parent_class
G_DEFINE_TYPE (GstSidDec, gst_siddec, GST_TYPE_ELEMENT);
static void
gst_siddec_class_init (GstSidDecClass * klass)
{
GObjectClass *gobject_class;
GstElementClass *gstelement_class;
gobject_class = (GObjectClass *) klass;
gstelement_class = (GstElementClass *) klass;
gobject_class->finalize = gst_siddec_finalize;
gobject_class->set_property = gst_siddec_set_property;
gobject_class->get_property = gst_siddec_get_property;
g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_TUNE,
g_param_spec_int ("tune", "tune", "tune",
0, 100, DEFAULT_TUNE,
(GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_CLOCK,
g_param_spec_enum ("clock", "clock", "clock",
GST_TYPE_SID_CLOCK, DEFAULT_CLOCK,
(GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_MEMORY,
g_param_spec_enum ("memory", "memory", "memory", GST_TYPE_SID_MEMORY,
DEFAULT_MEMORY,
(GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_FILTER,
g_param_spec_boolean ("filter", "filter", "filter", DEFAULT_FILTER,
(GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_MEASURED_VOLUME,
g_param_spec_boolean ("measured-volume", "measured_volume",
"measured_volume", DEFAULT_MEASURED_VOLUME,
(GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_MOS8580,
g_param_spec_boolean ("mos8580", "mos8580", "mos8580", DEFAULT_MOS8580,
(GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_FORCE_SPEED,
g_param_spec_boolean ("force-speed", "force_speed", "force_speed",
DEFAULT_FORCE_SPEED,
(GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_BLOCKSIZE,
g_param_spec_uint ("blocksize", "Block size",
"Size in bytes to output per buffer", 1, G_MAXUINT,
DEFAULT_BLOCKSIZE,
(GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
g_object_class_install_property (gobject_class, PROP_METADATA,
g_param_spec_boxed ("metadata", "Metadata", "Metadata", GST_TYPE_CAPS,
(GParamFlags) (G_PARAM_READABLE | G_PARAM_STATIC_STRINGS)));
gst_element_class_set_static_metadata (gstelement_class, "Sid decoder",
"Codec/Decoder/Audio", "Use libsidplay to decode SID audio tunes",
"Wim Taymans <wim.taymans@gmail.com>");
gst_element_class_add_pad_template (gstelement_class,
gst_static_pad_template_get (&src_templ));
gst_element_class_add_pad_template (gstelement_class,
gst_static_pad_template_get (&sink_templ));
GST_DEBUG_CATEGORY_INIT (gst_siddec_debug, "siddec", 0,
"C64 sid song player");
}
static void
gst_siddec_init (GstSidDec * siddec)
{
siddec->sinkpad = gst_pad_new_from_static_template (&sink_templ, "sink");
gst_pad_set_event_function (siddec->sinkpad, gst_siddec_sink_event);
gst_pad_set_chain_function (siddec->sinkpad, gst_siddec_chain);
gst_element_add_pad (GST_ELEMENT (siddec), siddec->sinkpad);
siddec->srcpad = gst_pad_new_from_static_template (&src_templ, "src");
gst_pad_set_event_function (siddec->srcpad, gst_siddec_src_event);
gst_pad_set_query_function (siddec->srcpad, gst_siddec_src_query);
gst_pad_use_fixed_caps (siddec->srcpad);
gst_element_add_pad (GST_ELEMENT (siddec), siddec->srcpad);
siddec->engine = new emuEngine ();
siddec->tune = new sidTune (0);
siddec->config = (emuConfig *) g_malloc (sizeof (emuConfig));
/* get default config parameters */
siddec->engine->getConfig (*siddec->config);
siddec->config->mos8580 = DEFAULT_MOS8580; // mos8580
siddec->config->memoryMode = DEFAULT_MEMORY; // memory mode
siddec->config->clockSpeed = DEFAULT_CLOCK; // clock speed
siddec->config->forceSongSpeed = DEFAULT_FORCE_SPEED; // force song speed
siddec->engine->setConfig (*siddec->config);
siddec->tune_buffer = (guchar *) g_malloc (maxSidtuneFileLen);
siddec->tune_len = 0;
siddec->tune_number = 0;
siddec->total_bytes = 0;
siddec->blocksize = DEFAULT_BLOCKSIZE;
siddec->have_group_id = FALSE;
siddec->group_id = G_MAXUINT;
}
static void
gst_siddec_finalize (GObject * object)
{
GstSidDec *siddec = GST_SIDDEC (object);
g_free (siddec->config);
g_free (siddec->tune_buffer);
delete (siddec->tune);
delete (siddec->engine);
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static void
update_tags (GstSidDec * siddec)
{
sidTuneInfo info;
GstTagList *list;
if (siddec->tune->getInfo (info)) {
list = gst_tag_list_new_empty ();
if (info.nameString) {
gst_tag_list_add (list, GST_TAG_MERGE_REPLACE,
GST_TAG_TITLE, info.nameString, (void *) NULL);
}
if (info.authorString) {
gst_tag_list_add (list, GST_TAG_MERGE_REPLACE,
GST_TAG_ARTIST, info.authorString, (void *) NULL);
}
if (info.copyrightString) {
gst_tag_list_add (list, GST_TAG_MERGE_REPLACE,
GST_TAG_COPYRIGHT, info.copyrightString, (void *) NULL);
}
gst_pad_push_event (siddec->srcpad, gst_event_new_tag (list));
}
}
static gboolean
siddec_negotiate (GstSidDec * siddec)
{
GstCaps *allowed;
GstStructure *structure;
int rate = 44100;
int channels = 1;
GstCaps *caps;
const gchar *str;
GstAudioFormat format;
GstEvent *event;
gchar *stream_id;
allowed = gst_pad_get_allowed_caps (siddec->srcpad);
if (!allowed)
goto nothing_allowed;
GST_DEBUG_OBJECT (siddec, "allowed caps: %" GST_PTR_FORMAT, allowed);
allowed = gst_caps_normalize (allowed);
structure = gst_caps_get_structure (allowed, 0);
str = gst_structure_get_string (structure, "format");
if (str == NULL)
goto invalid_format;
format = gst_audio_format_from_string (str);
switch (format) {
case GST_AUDIO_FORMAT_S8:
siddec->config->bitsPerSample = 8;
siddec->config->sampleFormat = SIDEMU_SIGNED_PCM;
break;
case GST_AUDIO_FORMAT_U8:
siddec->config->bitsPerSample = 8;
siddec->config->sampleFormat = SIDEMU_UNSIGNED_PCM;
break;
case GST_AUDIO_FORMAT_S16:
siddec->config->bitsPerSample = 16;
siddec->config->sampleFormat = SIDEMU_SIGNED_PCM;
break;
case GST_AUDIO_FORMAT_U16:
siddec->config->bitsPerSample = 16;
siddec->config->sampleFormat = SIDEMU_UNSIGNED_PCM;
break;
default:
goto invalid_format;
}
gst_structure_get_int (structure, "rate", &rate);
siddec->config->frequency = rate;
gst_structure_get_int (structure, "channels", &channels);
siddec->config->channels = channels;
stream_id =
gst_pad_create_stream_id (siddec->srcpad, GST_ELEMENT_CAST (siddec),
NULL);
event = gst_pad_get_sticky_event (siddec->sinkpad, GST_EVENT_STREAM_START, 0);
if (event) {
if (gst_event_parse_group_id (event, &siddec->group_id))
siddec->have_group_id = TRUE;
else
siddec->have_group_id = FALSE;
gst_event_unref (event);
} else if (!siddec->have_group_id) {
siddec->have_group_id = TRUE;
siddec->group_id = gst_util_group_id_next ();
}
event = gst_event_new_stream_start (stream_id);
if (siddec->have_group_id)
gst_event_set_group_id (event, siddec->group_id);
gst_pad_push_event (siddec->srcpad, event);
g_free (stream_id);
caps = gst_caps_new_simple ("audio/x-raw",
"format", G_TYPE_STRING, gst_audio_format_to_string (format),
"layout", G_TYPE_STRING, "interleaved",
"rate", G_TYPE_INT, siddec->config->frequency,
"channels", G_TYPE_INT, siddec->config->channels, NULL);
gst_pad_set_caps (siddec->srcpad, caps);
gst_caps_unref (caps);
gst_caps_unref (allowed);
siddec->engine->setConfig (*siddec->config);
return TRUE;
/* ERRORS */
nothing_allowed:
{
GST_DEBUG_OBJECT (siddec, "could not get allowed caps");
return FALSE;
}
invalid_format:
{
GST_DEBUG_OBJECT (siddec, "invalid audio caps");
gst_caps_unref (allowed);
return FALSE;
}
}
static void
play_loop (GstPad * pad)
{
GstFlowReturn ret;
GstSidDec *siddec;
GstBuffer *out;
GstMapInfo outmap;
gint64 value, offset, time;
GstFormat format;
siddec = GST_SIDDEC (gst_pad_get_parent (pad));
out = gst_buffer_new_and_alloc (siddec->blocksize);
gst_buffer_map (out, &outmap, GST_MAP_WRITE);
sidEmuFillBuffer (*siddec->engine, *siddec->tune,
outmap.data, siddec->blocksize);
gst_buffer_unmap (out, &outmap);
/* get offset in samples */
format = GST_FORMAT_DEFAULT;
gst_siddec_src_convert (siddec->srcpad,
GST_FORMAT_BYTES, siddec->total_bytes, &format, &offset);
GST_BUFFER_OFFSET (out) = offset;
/* get current timestamp */
format = GST_FORMAT_TIME;
gst_siddec_src_convert (siddec->srcpad,
GST_FORMAT_BYTES, siddec->total_bytes, &format, &time);
GST_BUFFER_TIMESTAMP (out) = time;
/* update position and get new timestamp to calculate duration */
siddec->total_bytes += siddec->blocksize;
/* get offset in samples */
format = GST_FORMAT_DEFAULT;
gst_siddec_src_convert (siddec->srcpad,
GST_FORMAT_BYTES, siddec->total_bytes, &format, &value);
GST_BUFFER_OFFSET_END (out) = value;
format = GST_FORMAT_TIME;
gst_siddec_src_convert (siddec->srcpad,
GST_FORMAT_BYTES, siddec->total_bytes, &format, &value);
GST_BUFFER_DURATION (out) = value - time;
if ((ret = gst_pad_push (siddec->srcpad, out)) != GST_FLOW_OK)
goto pause;
done:
gst_object_unref (siddec);
return;
/* ERRORS */
pause:
{
const gchar *reason = gst_flow_get_name (ret);
if (ret == GST_FLOW_EOS) {
/* perform EOS logic, FIXME, segment seek? */
gst_pad_push_event (pad, gst_event_new_eos ());
} else if (ret < GST_FLOW_EOS || ret == GST_FLOW_NOT_LINKED) {
/* for fatal errors we post an error message */
GST_ELEMENT_ERROR (siddec, STREAM, FAILED,
(NULL), ("streaming task paused, reason %s", reason));
gst_pad_push_event (pad, gst_event_new_eos ());
}
GST_INFO_OBJECT (siddec, "pausing task, reason: %s", reason);
gst_pad_pause_task (pad);
goto done;
}
}
static gboolean
start_play_tune (GstSidDec * siddec)
{
gboolean res;
GstSegment segment;
if (!siddec->tune->load (siddec->tune_buffer, siddec->tune_len))
goto could_not_load;
update_tags (siddec);
if (!siddec_negotiate (siddec))
goto could_not_negotiate;
if (!sidEmuInitializeSong (*siddec->engine, *siddec->tune,
siddec->tune_number))
goto could_not_init;
gst_segment_init (&segment, GST_FORMAT_TIME);
gst_pad_push_event (siddec->srcpad, gst_event_new_segment (&segment));
siddec->total_bytes = 0;
siddec->have_group_id = FALSE;
siddec->group_id = G_MAXUINT;
res = gst_pad_start_task (siddec->srcpad,
(GstTaskFunction) play_loop, siddec->srcpad, NULL);
return res;
/* ERRORS */
could_not_load:
{
GST_ELEMENT_ERROR (siddec, LIBRARY, INIT,
("Could not load tune"), ("Could not load tune"));
return FALSE;
}
could_not_negotiate:
{
GST_ELEMENT_ERROR (siddec, CORE, NEGOTIATION,
("Could not negotiate format"), ("Could not negotiate format"));
return FALSE;
}
could_not_init:
{
GST_ELEMENT_ERROR (siddec, LIBRARY, INIT,
("Could not initialize song"), ("Could not initialize song"));
return FALSE;
}
}
static gboolean
gst_siddec_sink_event (GstPad * pad, GstObject * parent, GstEvent * event)
{
GstSidDec *siddec;
gboolean res;
siddec = GST_SIDDEC (parent);
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_EOS:
res = start_play_tune (siddec);
break;
case GST_EVENT_SEGMENT:
res = TRUE;
break;
default:
res = TRUE;
break;
}
gst_event_unref (event);
return res;
}
static GstFlowReturn
gst_siddec_chain (GstPad * pad, GstObject * parent, GstBuffer * buffer)
{
GstSidDec *siddec;
guint64 size;
siddec = GST_SIDDEC (parent);
size = gst_buffer_get_size (buffer);
if (siddec->tune_len + size > maxSidtuneFileLen)
goto overflow;
gst_buffer_extract (buffer, 0, siddec->tune_buffer + siddec->tune_len, size);
siddec->tune_len += size;
gst_buffer_unref (buffer);
return GST_FLOW_OK;
/* ERRORS */
overflow:
{
GST_ELEMENT_ERROR (siddec, STREAM, DECODE,
(NULL), ("Input data bigger than allowed buffer size"));
return GST_FLOW_ERROR;
}
}
static gboolean
gst_siddec_src_convert (GstPad * pad, GstFormat src_format, gint64 src_value,
GstFormat * dest_format, gint64 * dest_value)
{
gboolean res = TRUE;
guint scale = 1;
GstSidDec *siddec;
gint bytes_per_sample;
siddec = GST_SIDDEC (gst_pad_get_parent (pad));
if (src_format == *dest_format) {
*dest_value = src_value;
return TRUE;
}
bytes_per_sample =
(siddec->config->bitsPerSample >> 3) * siddec->config->channels;
switch (src_format) {
case GST_FORMAT_BYTES:
switch (*dest_format) {
case GST_FORMAT_DEFAULT:
if (bytes_per_sample == 0)
return FALSE;
*dest_value = src_value / bytes_per_sample;
break;
case GST_FORMAT_TIME:
{
gint byterate = bytes_per_sample * siddec->config->frequency;
if (byterate == 0)
return FALSE;
*dest_value =
gst_util_uint64_scale_int (src_value, GST_SECOND, byterate);
break;
}
default:
res = FALSE;
}
break;
case GST_FORMAT_DEFAULT:
switch (*dest_format) {
case GST_FORMAT_BYTES:
*dest_value = src_value * bytes_per_sample;
break;
case GST_FORMAT_TIME:
if (siddec->config->frequency == 0)
return FALSE;
*dest_value =
gst_util_uint64_scale_int (src_value, GST_SECOND,
siddec->config->frequency);
break;
default:
res = FALSE;
}
break;
case GST_FORMAT_TIME:
switch (*dest_format) {
case GST_FORMAT_BYTES:
scale = bytes_per_sample;
/* fallthrough */
case GST_FORMAT_DEFAULT:
*dest_value =
gst_util_uint64_scale_int (src_value,
scale * siddec->config->frequency, GST_SECOND);
break;
default:
res = FALSE;
}
break;
default:
res = FALSE;
}
return res;
}
static gboolean
gst_siddec_src_event (GstPad * pad, GstObject * parent, GstEvent * event)
{
gboolean res = FALSE;
switch (GST_EVENT_TYPE (event)) {
default:
break;
}
gst_event_unref (event);
return res;
}
static gboolean
gst_siddec_src_query (GstPad * pad, GstObject * parent, GstQuery * query)
{
gboolean res = TRUE;
GstSidDec *siddec;
siddec = GST_SIDDEC (parent);
switch (GST_QUERY_TYPE (query)) {
case GST_QUERY_POSITION:
{
GstFormat format;
gint64 current;
gst_query_parse_position (query, &format, NULL);
/* we only know about our bytes, convert to requested format */
res &= gst_siddec_src_convert (pad,
GST_FORMAT_BYTES, siddec->total_bytes, &format, &current);
if (res) {
gst_query_set_position (query, format, current);
}
break;
}
default:
res = gst_pad_query_default (pad, parent, query);
break;
}
return res;
}
static void
gst_siddec_set_property (GObject * object, guint prop_id, const GValue * value,
GParamSpec * pspec)
{
GstSidDec *siddec = GST_SIDDEC (object);
switch (prop_id) {
case PROP_TUNE:
siddec->tune_number = g_value_get_int (value);
break;
case PROP_CLOCK:
siddec->config->clockSpeed = g_value_get_enum (value);
break;
case PROP_MEMORY:
siddec->config->memoryMode = g_value_get_enum (value);
break;
case PROP_FILTER:
siddec->config->emulateFilter = g_value_get_boolean (value);
break;
case PROP_MEASURED_VOLUME:
siddec->config->measuredVolume = g_value_get_boolean (value);
break;
case PROP_MOS8580:
siddec->config->mos8580 = g_value_get_boolean (value);
break;
case PROP_BLOCKSIZE:
siddec->blocksize = g_value_get_uint (value);
break;
case PROP_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 = GST_SIDDEC (object);
switch (prop_id) {
case PROP_TUNE:
g_value_set_int (value, siddec->tune_number);
break;
case PROP_CLOCK:
g_value_set_enum (value, siddec->config->clockSpeed);
break;
case PROP_MEMORY:
g_value_set_enum (value, siddec->config->memoryMode);
break;
case PROP_FILTER:
g_value_set_boolean (value, siddec->config->emulateFilter);
break;
case PROP_MEASURED_VOLUME:
g_value_set_boolean (value, siddec->config->measuredVolume);
break;
case PROP_MOS8580:
g_value_set_boolean (value, siddec->config->mos8580);
break;
case PROP_FORCE_SPEED:
g_value_set_boolean (value, siddec->config->forceSongSpeed);
break;
case PROP_BLOCKSIZE:
g_value_set_uint (value, siddec->blocksize);
break;
case PROP_METADATA:
g_value_set_boxed (value, NULL);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static gboolean
plugin_init (GstPlugin * plugin)
{
return gst_element_register (plugin, "siddec", GST_RANK_PRIMARY,
GST_TYPE_SIDDEC);
}
GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
GST_VERSION_MINOR,
siddec,
"Uses libsidplay to decode .sid files",
plugin_init, VERSION, "GPL", GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN);
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