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- some of my pending cleanups

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Original commit message from CVS:
- some of my pending cleanups
This commit is contained in:
Wim Taymans 2003-05-24 10:56:28 +00:00
parent 4d96d4aa91
commit 5f51e20e49
1 changed files with 255 additions and 230 deletions
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485
sys/cdrom/gstcdplayer.c
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@ -17,326 +17,351 @@
* Boston, MA 02111-1307, USA. * Boston, MA 02111-1307, USA.
*/ */
/* #define GST_DEBUG_ENABLED */
#include "gstcdplayer.h" #include "gstcdplayer.h"
/* props */ /* props */
enum { enum
ARG_0, {
ARG_DEVICE, ARG_0,
ARG_NUM_TRACKS, ARG_DEVICE,
ARG_START_TRACK, ARG_NUM_TRACKS,
ARG_END_TRACK, ARG_START_TRACK,
ARG_CURRENT_TRACK, ARG_END_TRACK,
ARG_CDDB_DISCID, ARG_CURRENT_TRACK,
ARG_CDDB_DISCID,
}; };
/* signals */ /* signals */
enum { enum
TRACK_CHANGE, {
LAST_SIGNAL, TRACK_CHANGE,
LAST_SIGNAL,
}; };
static void cdplayer_class_init(CDPlayerClass *klass); static void cdplayer_class_init (CDPlayerClass *klass);
static void cdplayer_init(CDPlayer *cdp); static void cdplayer_init (CDPlayer *cdp);
static void cdplayer_set_property(GObject *object,guint prop_id,const GValue *value,GParamSpec *spec); static void cdplayer_dispose (GObject *object);
static void cdplayer_get_property(GObject *object,guint prop_id,GValue *value,GParamSpec *spec);
static void cdplayer_dispose(GObject *object);
static gboolean cdplayer_iterate(GstBin *bin);
static GstElementStateReturn cdplayer_change_state(GstElement *element);
static gboolean plugin_init(GModule *module,GstPlugin *plugin);
static void cdplayer_set_property (GObject *object, guint prop_id,
const GValue *value, GParamSpec *spec);
static void cdplayer_get_property (GObject *object, guint prop_id,
GValue *value, GParamSpec *spec);
static gboolean cdplayer_iterate (GstBin *bin);
static GstElementStateReturn
cdplayer_change_state (GstElement * element);
static GstElementClass *parent_class; static GstElementClass *parent_class;
static guint cdplayer_signals[LAST_SIGNAL] = {0}; static guint cdplayer_signals[LAST_SIGNAL] = { 0 };
static GstElementDetails cdplayer_details = { static GstElementDetails cdplayer_details = {
"CD Player", "CD Player",
"Generic/Bin", "Generic/Bin",
"LGPL", "Play CD audio through the CD Drive",
"Play CD audio through the CD Drive", VERSION,
VERSION, "Charles Schmidt <cbschmid@uiuc.edu>",
"Charles Schmidt <cbschmid@uiuc.edu>", "Wim Taymans <wim.taymans@chello.be>",
"(C) 2002", "(C) 2002",
}; };
GType
GType cdplayer_get_type(void) cdplayer_get_type (void)
{ {
static GType cdplayer_type = 0; static GType cdplayer_type = 0;
if (!cdplayer_type) { if (!cdplayer_type) {
static const GTypeInfo cdplayer_info = { static const GTypeInfo cdplayer_info = {
sizeof(CDPlayerClass), sizeof (CDPlayerClass),
NULL, NULL,
NULL, NULL,
(GClassInitFunc)cdplayer_class_init, (GClassInitFunc) cdplayer_class_init,
NULL, NULL,
NULL, NULL,
sizeof(CDPlayer), sizeof (CDPlayer),
0, 0,
(GInstanceInitFunc)cdplayer_init, (GInstanceInitFunc) cdplayer_init,
NULL NULL
}; };
cdplayer_type = g_type_register_static(GST_TYPE_BIN,"CDPlayer",&cdplayer_info,0); cdplayer_type = g_type_register_static (GST_TYPE_BIN, "CDPlayer", &cdplayer_info, 0);
} }
return cdplayer_type; return cdplayer_type;
} }
static void cdplayer_class_init(CDPlayerClass *klass) static void
cdplayer_class_init (CDPlayerClass * klass)
{ {
GObjectClass *gobject_klass; GObjectClass *gobject_klass;
GstElementClass *gstelement_klass; GstElementClass *gstelement_klass;
GstBinClass *gstbin_klass; GstBinClass *gstbin_klass;
gobject_klass = (GObjectClass *)klass; gobject_klass = (GObjectClass *) klass;
gstelement_klass = (GstElementClass *)klass; gstelement_klass = (GstElementClass *) klass;
gstbin_klass = (GstBinClass *)klass; gstbin_klass = (GstBinClass *) klass;
parent_class = g_type_class_ref(gst_bin_get_type()); parent_class = g_type_class_ref (gst_bin_get_type ());
gobject_klass->dispose = GST_DEBUG_FUNCPTR(cdplayer_dispose); gobject_klass->dispose = GST_DEBUG_FUNCPTR (cdplayer_dispose);
gstelement_klass->change_state = GST_DEBUG_FUNCPTR(cdplayer_change_state); gstelement_klass->change_state = GST_DEBUG_FUNCPTR (cdplayer_change_state);
gstbin_klass->iterate = GST_DEBUG_FUNCPTR(cdplayer_iterate); gstbin_klass->iterate = GST_DEBUG_FUNCPTR (cdplayer_iterate);
g_object_class_install_property(gobject_klass,ARG_DEVICE,g_param_spec_string("device","device","CDROM device",NULL,G_PARAM_READWRITE)); gobject_klass->set_property = cdplayer_set_property;
g_object_class_install_property(gobject_klass,ARG_NUM_TRACKS,g_param_spec_int("num_tracks","num_tracks","Number of Tracks",G_MININT,G_MAXINT,0,G_PARAM_READABLE)); gobject_klass->get_property = cdplayer_get_property;
g_object_class_install_property(gobject_klass,ARG_START_TRACK,g_param_spec_int("start_track","start_track","Track to start playback on",1,CDPLAYER_MAX_TRACKS-1,1,G_PARAM_READWRITE));
g_object_class_install_property(gobject_klass,ARG_END_TRACK,g_param_spec_int("end_track","end_track","Track to end playback on",0,CDPLAYER_MAX_TRACKS-1,0,G_PARAM_READWRITE));
g_object_class_install_property(gobject_klass,ARG_CURRENT_TRACK,g_param_spec_int("current_track","current_track","Current track playing",1,CDPLAYER_MAX_TRACKS-1,1,G_PARAM_READABLE));
g_object_class_install_property(gobject_klass,ARG_CDDB_DISCID,g_param_spec_uint("cddb_discid","cddb_discid","CDDB Disc ID",0,G_MAXUINT,1,G_PARAM_READABLE));
cdplayer_signals[TRACK_CHANGE] = g_signal_new("track_change",G_TYPE_FROM_CLASS(klass),G_SIGNAL_RUN_LAST,G_STRUCT_OFFSET(CDPlayerClass,track_change),NULL,NULL,gst_marshal_VOID__INT,G_TYPE_NONE,1,G_TYPE_INT); g_object_class_install_property (gobject_klass, ARG_DEVICE,
g_param_spec_string ("device", "device", "CDROM device", NULL,
G_PARAM_READWRITE));
g_object_class_install_property (gobject_klass, ARG_NUM_TRACKS,
g_param_spec_int ("num_tracks", "num_tracks", "Number of Tracks",
G_MININT, G_MAXINT, 0, G_PARAM_READABLE));
g_object_class_install_property (gobject_klass, ARG_START_TRACK,
g_param_spec_int ("start_track", "start_track",
"Track to start playback on", 1,
CDPLAYER_MAX_TRACKS - 1, 1,
G_PARAM_READWRITE));
g_object_class_install_property (gobject_klass, ARG_END_TRACK,
g_param_spec_int ("end_track", "end_track",
"Track to end playback on", 0,
CDPLAYER_MAX_TRACKS - 1, 0,
G_PARAM_READWRITE));
g_object_class_install_property (gobject_klass, ARG_CURRENT_TRACK,
g_param_spec_int ("current_track", "current_track",
"Current track playing", 1,
CDPLAYER_MAX_TRACKS - 1, 1, G_PARAM_READABLE));
g_object_class_install_property (gobject_klass, ARG_CDDB_DISCID,
g_param_spec_uint ("cddb_discid", "cddb_discid", "CDDB Disc ID",
0, G_MAXUINT, 1, G_PARAM_READABLE));
gobject_klass->set_property = cdplayer_set_property; cdplayer_signals[TRACK_CHANGE] =
gobject_klass->get_property = cdplayer_get_property; g_signal_new ("track_change", G_TYPE_FROM_CLASS (klass), G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (CDPlayerClass, track_change), NULL, NULL,
gst_marshal_VOID__INT, G_TYPE_NONE, 1, G_TYPE_INT);
return; return;
} }
static void cdplayer_init(CDPlayer *cdp) static void
cdplayer_init (CDPlayer * cdp)
{ {
cdp->device = g_strdup("/dev/cdrom"); cdp->device = g_strdup ("/dev/cdrom");
cdp->num_tracks = -1; cdp->num_tracks = -1;
cdp->start_track = 1; cdp->start_track = 1;
cdp->end_track = 0; cdp->end_track = 0;
cdp->current_track = 1; cdp->current_track = 1;
cdp->paused = FALSE; cdp->paused = FALSE;
// GST_FLAG_SET(cdp,GST_BIN_FLAG_MANAGER); GST_FLAG_SET (cdp, GST_BIN_FLAG_MANAGER);
return; return;
} }
static void cdplayer_set_property(GObject *object,guint prop_id,const GValue *value,GParamSpec *spec) static void
cdplayer_set_property (GObject * object, guint prop_id, const GValue * value, GParamSpec * spec)
{ {
CDPlayer *cdp; CDPlayer *cdp;
g_return_if_fail(GST_IS_CDPLAYER(object)); g_return_if_fail (GST_IS_CDPLAYER (object));
cdp = CDPLAYER(object); cdp = CDPLAYER (object);
switch (prop_id) { switch (prop_id) {
case ARG_DEVICE: case ARG_DEVICE:
// FIXME prolly should uhh.. stop it or something // FIXME prolly should uhh.. stop it or something
if (cdp->device) { if (cdp->device) {
g_free(cdp->device); g_free (cdp->device);
} }
cdp->device = g_strdup(g_value_get_string(value)); cdp->device = g_strdup (g_value_get_string (value));
break; break;
case ARG_START_TRACK: case ARG_START_TRACK:
// FIXME prolly should uhh.. restart play, i guess... or something whatever // FIXME prolly should uhh.. restart play, i guess... or something whatever
// FIXME we should only set current_track if its not playing... // FIXME we should only set current_track if its not playing...
cdp->current_track = cdp->start_track = g_value_get_int(value); cdp->current_track = cdp->start_track = g_value_get_int (value);
break; break;
case ARG_END_TRACK: case ARG_END_TRACK:
// FIXME prolly should restart play, maybe, or try to set it without interrupt.. // FIXME prolly should restart play, maybe, or try to set it without interrupt..
cdp->end_track = g_value_get_int(value); cdp->end_track = g_value_get_int (value);
break; break;
default: default:
break; break;
} }
return; return;
} }
static void cdplayer_get_property(GObject *object,guint prop_id,GValue *value,GParamSpec *spec) static void
cdplayer_get_property (GObject * object, guint prop_id, GValue * value, GParamSpec * spec)
{ {
CDPlayer *cdp; CDPlayer *cdp;
g_return_if_fail(GST_IS_CDPLAYER(object)); g_return_if_fail (GST_IS_CDPLAYER (object));
cdp = CDPLAYER(object); cdp = CDPLAYER (object);
switch (prop_id) { switch (prop_id) {
case ARG_DEVICE: case ARG_DEVICE:
g_value_set_string(value,cdp->device); g_value_set_string (value, cdp->device);
break; break;
case ARG_NUM_TRACKS: case ARG_NUM_TRACKS:
g_value_set_int(value,cdp->num_tracks); g_value_set_int (value, cdp->num_tracks);
break; break;
case ARG_START_TRACK: case ARG_START_TRACK:
g_value_set_int(value,cdp->start_track); g_value_set_int (value, cdp->start_track);
break; break;
case ARG_END_TRACK: case ARG_END_TRACK:
g_value_set_int(value,cdp->end_track); g_value_set_int (value, cdp->end_track);
case ARG_CURRENT_TRACK: case ARG_CURRENT_TRACK:
g_value_set_int(value,cdp->current_track); g_value_set_int (value, cdp->current_track);
break; break;
case ARG_CDDB_DISCID: case ARG_CDDB_DISCID:
g_value_set_uint(value,cdp->cddb_discid); g_value_set_uint (value, cdp->cddb_discid);
default: default:
break; break;
} }
return; return;
} }
static void cdplayer_dispose(GObject *object) static void
cdplayer_dispose (GObject * object)
{ {
CDPlayer *cdp; CDPlayer *cdp;
g_return_if_fail(GST_IS_CDPLAYER(object)); g_return_if_fail (GST_IS_CDPLAYER (object));
cdp = CDPLAYER(object); cdp = CDPLAYER (object);
g_free(cdp->device); g_free (cdp->device);
if (G_OBJECT_CLASS(parent_class)->dispose) { if (G_OBJECT_CLASS (parent_class)->dispose) {
G_OBJECT_CLASS(parent_class)->dispose(object); G_OBJECT_CLASS (parent_class)->dispose (object);
} }
return; return;
} }
static gboolean cdplayer_iterate(GstBin *bin) static gboolean
cdplayer_iterate (GstBin * bin)
{ {
CDPlayer *cdp = CDPLAYER(bin); CDPlayer *cdp = CDPLAYER (bin);
gint current_track; gint current_track;
switch (cd_status(CDPLAYER_CD(cdp))) {
case CD_PLAYING:
current_track = cd_current_track(CDPLAYER_CD(cdp));
if (current_track > cdp->end_track && cdp->end_track != 0) {
return FALSE;
}
if (current_track != -1 && current_track != cdp->current_track) {
cdp->current_track = current_track;
g_signal_emit(G_OBJECT(cdp),cdplayer_signals[TRACK_CHANGE],0,cdp->current_track);
}
return TRUE;
break;
case CD_ERROR:
gst_element_set_state(GST_ELEMENT(bin),GST_STATE_PAUSED);
return FALSE;
break;
case CD_COMPLETED:
gst_element_set_state(GST_ELEMENT(bin),GST_STATE_PAUSED);
gst_element_set_eos(GST_ELEMENT(bin));
return FALSE;
break;
}
switch (cd_status (CDPLAYER_CD (cdp))) {
case CD_PLAYING:
current_track = cd_current_track (CDPLAYER_CD (cdp));
if (current_track > cdp->end_track && cdp->end_track != 0) {
return FALSE; return FALSE;
}
if (current_track != -1 && current_track != cdp->current_track) {
cdp->current_track = current_track;
g_signal_emit (G_OBJECT (cdp), cdplayer_signals[TRACK_CHANGE], 0, cdp->current_track);
}
return TRUE;
break;
case CD_ERROR:
gst_element_set_state (GST_ELEMENT (bin), GST_STATE_PAUSED);
return FALSE;
break;
case CD_COMPLETED:
gst_element_set_state (GST_ELEMENT (bin), GST_STATE_PAUSED);
gst_element_set_eos (GST_ELEMENT (bin));
return FALSE;
break;
}
return FALSE;
} }
static GstElementStateReturn cdplayer_change_state(GstElement *element) static GstElementStateReturn
cdplayer_change_state (GstElement * element)
{ {
CDPlayer *cdp; CDPlayer *cdp;
GstElementState state = GST_STATE(element); GstElementState state = GST_STATE (element);
GstElementState pending = GST_STATE_PENDING(element); GstElementState pending = GST_STATE_PENDING (element);
g_return_val_if_fail(GST_IS_CDPLAYER(element),GST_STATE_FAILURE); g_return_val_if_fail (GST_IS_CDPLAYER (element), GST_STATE_FAILURE);
cdp = CDPLAYER(element); cdp = CDPLAYER (element);
switch (pending) { switch (pending) {
case GST_STATE_READY: case GST_STATE_READY:
if (state != GST_STATE_PAUSED) { if (state != GST_STATE_PAUSED) {
if (cd_init(CDPLAYER_CD(cdp),cdp->device) == FALSE) { if (cd_init (CDPLAYER_CD (cdp), cdp->device) == FALSE) {
return GST_STATE_FAILURE; return GST_STATE_FAILURE;
} }
cdp->num_tracks = cdp->cd.num_tracks; cdp->num_tracks = cdp->cd.num_tracks;
cdp->cddb_discid = cd_cddb_discid(CDPLAYER_CD(cdp)); cdp->cddb_discid = cd_cddb_discid (CDPLAYER_CD (cdp));
} }
break; break;
case GST_STATE_PAUSED: case GST_STATE_PAUSED:
/* ready->paused is not useful */ /* ready->paused is not useful */
if (state != GST_STATE_READY) { if (state != GST_STATE_READY) {
if (cd_pause(CDPLAYER_CD(cdp)) == FALSE) { if (cd_pause (CDPLAYER_CD (cdp)) == FALSE) {
return GST_STATE_FAILURE; return GST_STATE_FAILURE;
}
cdp->paused = TRUE;
}
break;
case GST_STATE_PLAYING:
if (cdp->paused == TRUE) {
if (cd_resume(CDPLAYER_CD(cdp)) == FALSE) {
return GST_STATE_FAILURE;
}
cdp->paused = FALSE;
} else {
if (cd_start(CDPLAYER_CD(cdp),cdp->start_track,cdp->end_track) == FALSE) {
return GST_STATE_FAILURE;
}
}
break;
case GST_STATE_NULL:
/* stop & close fd */
if (cd_stop(CDPLAYER_CD(cdp)) == FALSE || cd_close(CDPLAYER_CD(cdp)) == FALSE) {
return GST_STATE_FAILURE;
}
break;
default:
break;
} }
if (GST_ELEMENT_CLASS(parent_class)->change_state) { cdp->paused = TRUE;
GST_ELEMENT_CLASS(parent_class)->change_state(element); }
break;
case GST_STATE_PLAYING:
if (cdp->paused == TRUE) {
if (cd_resume (CDPLAYER_CD (cdp)) == FALSE) {
return GST_STATE_FAILURE;
} }
return GST_STATE_SUCCESS; cdp->paused = FALSE;
} else {
if (cd_start (CDPLAYER_CD (cdp), cdp->start_track, cdp->end_track) == FALSE) {
return GST_STATE_FAILURE;
}
}
break;
case GST_STATE_NULL:
/* stop & close fd */
if (cd_stop (CDPLAYER_CD (cdp)) == FALSE || cd_close (CDPLAYER_CD (cdp)) == FALSE) {
return GST_STATE_FAILURE;
}
break;
default:
break;
}
if (GST_ELEMENT_CLASS (parent_class)->change_state) {
GST_ELEMENT_CLASS (parent_class)->change_state (element);
}
return GST_STATE_SUCCESS;
} }
static gboolean plugin_init(GModule *module,GstPlugin *plugin) static gboolean
plugin_init (GModule * module, GstPlugin * plugin)
{ {
GstElementFactory *factory; GstElementFactory *factory;
factory = gst_element_factory_new("cdplayer",GST_TYPE_CDPLAYER,&cdplayer_details); factory = gst_element_factory_new ("cdplayer", GST_TYPE_CDPLAYER, &cdplayer_details);
g_return_val_if_fail(factory != NULL,FALSE); g_return_val_if_fail (factory != NULL, FALSE);
gst_plugin_add_feature(plugin,GST_PLUGIN_FEATURE(factory)); gst_plugin_add_feature (plugin, GST_PLUGIN_FEATURE (factory));
gst_plugin_set_longname(plugin,"CD Player"); gst_plugin_set_longname (plugin, "CD Player");
return TRUE; return TRUE;
} }
GstPluginDesc plugin_desc = { GstPluginDesc plugin_desc = {
GST_VERSION_MAJOR, GST_VERSION_MAJOR,
GST_VERSION_MINOR, GST_VERSION_MINOR,
"cdplayer", "cdplayer",
plugin_init plugin_init
}; };