gstreamer/ext/cdaudio/gstcdaudio.c
Jan Schmidt 172eaade07 Fixes a bunch of problems with finalize and dispose functions, either assumptions that dispose is only called once, o...
Original commit message from CVS:
* ext/alsa/gstalsa.c: (gst_alsa_class_init), (gst_alsa_dispose),
(gst_alsa_finalize):
* ext/cdaudio/gstcdaudio.c: (gst_cdaudio_class_init),
(gst_cdaudio_finalize):
* ext/cdparanoia/gstcdparanoia.c: (cdparanoia_class_init),
(cdparanoia_finalize):
* ext/divx/gstdivxdec.c: (gst_divxdec_dispose):
* ext/divx/gstdivxenc.c: (gst_divxenc_dispose):
* ext/dvdread/dvdreadsrc.c: (dvdreadsrc_class_init),
(dvdreadsrc_finalize):
* ext/flac/gstflacdec.c: (gst_flacdec_class_init),
(gst_flacdec_finalize):
* ext/flac/gstflacenc.c: (gst_flacenc_class_init),
(gst_flacenc_finalize):
* ext/gnomevfs/gstgnomevfssink.c: (gst_gnomevfssink_class_init),
(gst_gnomevfssink_finalize):
* ext/gnomevfs/gstgnomevfssrc.c: (gst_gnomevfssrc_class_init),
(gst_gnomevfssrc_finalize):
* ext/libfame/gstlibfame.c: (gst_fameenc_class_init),
(gst_fameenc_finalize):
* ext/nas/nassink.c: (gst_nassink_class_init),
(gst_nassink_finalize):
* ext/sdl/sdlvideosink.c: (gst_sdlvideosink_finalize),
(gst_sdlvideosink_class_init):
* ext/sndfile/gstsf.c: (gst_sf_dispose):
* gst-libs/gst/mixer/mixertrack.c: (gst_mixer_track_dispose):
* gst-libs/gst/tuner/tunerchannel.c: (gst_tuner_channel_dispose):
* gst-libs/gst/tuner/tunernorm.c: (gst_tuner_norm_dispose):
* gst-libs/gst/xwindowlistener/xwindowlistener.c:
(gst_x_window_listener_dispose):
* gst/audioscale/gstaudioscale.c:
* gst/playondemand/gstplayondemand.c: (play_on_demand_class_init),
(play_on_demand_finalize):
* gst/videofilter/gstvideobalance.c: (gst_videobalance_dispose):
* gst/videoscale/gstvideoscale.c: (gst_videoscale_chain):
* sys/cdrom/gstcdplayer.c: (cdplayer_class_init),
(cdplayer_finalize):
* sys/glsink/glimagesink.c: (gst_glimagesink_finalize),
(gst_glimagesink_class_init):
* sys/oss/gstosselement.c: (gst_osselement_class_init),
(gst_osselement_finalize):
* sys/oss/gstosssink.c: (gst_osssink_dispose):
* sys/oss/gstosssrc.c: (gst_osssrc_dispose):
* sys/v4l/gstv4lelement.c: (gst_v4lelement_dispose):
Fixes a bunch of problems with finalize and dispose functions,
either assumptions that dispose is only called once, or not calling
the parent class dispose/finalize function
2004-11-01 14:43:38 +00:00

587 lines
15 KiB
C

/* 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.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <string.h>
#include <cdaudio.h>
#include <gst/gst.h>
#define GST_TYPE_CDAUDIO (gst_cdaudio_get_type())
#define GST_CDAUDIO(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_CDAUDIO,GstCDAudio))
#define GST_CDAUDIO_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_CDAUDIO,GstCDAudioClass))
#define GST_IS_CDAUDIO(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_CDAUDIO))
#define GST_IS_CDAUDIO_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_CDAUDIO))
typedef struct _GstCDAudio GstCDAudio;
typedef struct _GstCDAudioClass GstCDAudioClass;
struct _GstCDAudio
{
GstBin element;
/* properties */
gchar *device;
gchar *uri;
gint cd_desc;
gulong discid;
gboolean was_playing;
struct disc_info info;
struct disc_volume volume;
GTimer *timer;
};
struct _GstCDAudioClass
{
GstBinClass parent_class;
void (*close_tray) (GstElement * element);
/* signal callbacks */
void (*track_change) (GstElement * element, guint track);
};
/* props */
enum
{
ARG_0,
ARG_DEVICE,
ARG_DISCID,
ARG_VOLUME_FR,
ARG_VOLUME_FL,
ARG_VOLUME_BR,
ARG_VOLUME_BL
};
/* signals */
enum
{
TRACK_CHANGE,
LAST_SIGNAL
};
static void gst_cdaudio_class_init (GstCDAudioClass * klass);
static void gst_cdaudio_init (GstCDAudio * cdaudio);
static void gst_cdaudio_finalize (GObject * object);
static void gst_cdaudio_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * spec);
static void gst_cdaudio_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * spec);
static GstElementStateReturn gst_cdaudio_change_state (GstElement * element);
static const GstEventMask *gst_cdaudio_get_event_masks (GstElement * element);
static gboolean gst_cdaudio_send_event (GstElement * element, GstEvent * event);
static const GstFormat *gst_cdaudio_get_formats (GstElement * element);
static gboolean gst_cdaudio_convert (GstElement * element,
GstFormat src_format, gint64 src_value,
GstFormat * dest_format, gint64 * dest_value);
static const GstQueryType *gst_cdaudio_get_query_types (GstElement * element);
static gboolean gst_cdaudio_query (GstElement * element, GstQueryType type,
GstFormat * format, gint64 * value);
static void cdaudio_uri_handler_init (gpointer g_iface, gpointer iface_data);
static GstFormat track_format;
static GstFormat sector_format;
static GstBinClass *parent_class;
static guint gst_cdaudio_signals[LAST_SIGNAL] = { 0 };
static GstElementDetails gst_cdaudio_details = {
"CD Player",
"Generic/Bin",
"Play CD audio through the CD Drive",
"Wim Taymans <wim@fluendo.com>",
};
static void
_do_init (GType cdaudio_type)
{
static const GInterfaceInfo urihandler_info = {
cdaudio_uri_handler_init,
NULL,
NULL,
};
g_type_add_interface_static (cdaudio_type, GST_TYPE_URI_HANDLER,
&urihandler_info);
}
GST_BOILERPLATE_FULL (GstCDAudio, gst_cdaudio, GstBin, GST_TYPE_BIN, _do_init);
static void
gst_cdaudio_base_init (gpointer g_class)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
gst_element_class_set_details (element_class, &gst_cdaudio_details);
/* Register the track and sector format */
track_format = gst_format_register ("track", "CD track");
sector_format = gst_format_register ("sector", "CD sector");
}
static void
gst_cdaudio_class_init (GstCDAudioClass * klass)
{
GObjectClass *gobject_klass;
GstElementClass *gstelement_klass;
GstBinClass *gstbin_klass;
gobject_klass = (GObjectClass *) klass;
gstelement_klass = (GstElementClass *) klass;
gstbin_klass = (GstBinClass *) klass;
parent_class = g_type_class_ref (gst_bin_get_type ());
gobject_klass->set_property = gst_cdaudio_set_property;
gobject_klass->get_property = gst_cdaudio_get_property;
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_DISCID,
g_param_spec_ulong ("discid", "Disc ID", "CDDB Disc ID",
0, G_MAXULONG, 0, G_PARAM_READABLE));
g_object_class_install_property (gobject_klass, ARG_VOLUME_FL,
g_param_spec_int ("volume_fl", "Volume fl", "Front left volume",
0, 255, 255, G_PARAM_READWRITE));
g_object_class_install_property (gobject_klass, ARG_VOLUME_FR,
g_param_spec_int ("volume_fr", "Volume fr", "Front right volume",
0, 255, 255, G_PARAM_READWRITE));
g_object_class_install_property (gobject_klass, ARG_VOLUME_BL,
g_param_spec_int ("volume_bl", "Volume bl", "Back left volume",
0, 255, 255, G_PARAM_READWRITE));
g_object_class_install_property (gobject_klass, ARG_VOLUME_BR,
g_param_spec_int ("volume_br", "Volume br", "Back right volume",
0, 255, 255, G_PARAM_READWRITE));
gst_cdaudio_signals[TRACK_CHANGE] =
g_signal_new ("track-change", G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (GstCDAudioClass, track_change), NULL,
NULL, gst_marshal_VOID__INT, G_TYPE_NONE, 1, G_TYPE_INT);
gobject_klass->finalize = GST_DEBUG_FUNCPTR (gst_cdaudio_finalize);
gstelement_klass->change_state = GST_DEBUG_FUNCPTR (gst_cdaudio_change_state);
gstelement_klass->get_event_masks =
GST_DEBUG_FUNCPTR (gst_cdaudio_get_event_masks);
gstelement_klass->send_event = GST_DEBUG_FUNCPTR (gst_cdaudio_send_event);
gstelement_klass->get_formats = GST_DEBUG_FUNCPTR (gst_cdaudio_get_formats);
gstelement_klass->convert = GST_DEBUG_FUNCPTR (gst_cdaudio_convert);
gstelement_klass->get_query_types =
GST_DEBUG_FUNCPTR (gst_cdaudio_get_query_types);
gstelement_klass->query = GST_DEBUG_FUNCPTR (gst_cdaudio_query);
}
static void
gst_cdaudio_init (GstCDAudio * cdaudio)
{
cdaudio->device = g_strdup ("/dev/cdrom");
cdaudio->was_playing = FALSE;
cdaudio->timer = g_timer_new ();
GST_FLAG_SET (cdaudio, GST_BIN_FLAG_MANAGER);
GST_FLAG_SET (cdaudio, GST_BIN_SELF_SCHEDULABLE);
}
static void
gst_cdaudio_finalize (GObject * object)
{
GstCDAudio *cdaudio = GST_CDAUDIO (object);
g_timer_destroy (cdaudio->timer);
g_free (cdaudio->device);
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static void
gst_cdaudio_set_property (GObject * object, guint prop_id, const GValue * value,
GParamSpec * spec)
{
GstCDAudio *cdaudio;
g_return_if_fail (GST_IS_CDAUDIO (object));
cdaudio = GST_CDAUDIO (object);
switch (prop_id) {
case ARG_DEVICE:
break;
case ARG_VOLUME_FR:
break;
case ARG_VOLUME_FL:
break;
case ARG_VOLUME_BR:
break;
case ARG_VOLUME_BL:
break;
default:
break;
}
}
static void
gst_cdaudio_get_property (GObject * object, guint prop_id, GValue * value,
GParamSpec * spec)
{
GstCDAudio *cdaudio;
g_return_if_fail (GST_IS_CDAUDIO (object));
cdaudio = GST_CDAUDIO (object);
switch (prop_id) {
case ARG_DEVICE:
g_value_set_string (value, cdaudio->device);
break;
case ARG_DISCID:
g_value_set_ulong (value, cdaudio->discid);
break;
case ARG_VOLUME_FR:
g_value_set_int (value, cdaudio->volume.vol_front.right);
break;
case ARG_VOLUME_FL:
g_value_set_int (value, cdaudio->volume.vol_front.left);
break;
case ARG_VOLUME_BR:
g_value_set_int (value, cdaudio->volume.vol_back.right);
break;
case ARG_VOLUME_BL:
g_value_set_int (value, cdaudio->volume.vol_back.left);
break;
default:
break;
}
}
static void
debug_track_info (GstCDAudio * cdaudio)
{
gint i;
for (i = 0; i < cdaudio->info.disc_total_tracks; i++) {
GST_DEBUG_OBJECT (cdaudio, "%d %d %d %d:%02d", i,
cdaudio->info.disc_track[i].track_length.frames,
cdaudio->info.disc_track[i].track_pos.frames,
cdaudio->info.disc_track[i].track_length.minutes,
cdaudio->info.disc_track[i].track_length.seconds);
}
}
static GstElementStateReturn
gst_cdaudio_change_state (GstElement * element)
{
GstCDAudio *cdaudio;
cdaudio = GST_CDAUDIO (element);
switch (GST_STATE_TRANSITION (element)) {
case GST_STATE_NULL_TO_READY:
break;
case GST_STATE_READY_TO_PAUSED:
cdaudio->cd_desc = cd_init_device (cdaudio->device);
if (cdaudio->cd_desc < 0)
return GST_STATE_FAILURE;
/* close tray */
if (cd_close (cdaudio->cd_desc) < 0)
return GST_STATE_FAILURE;
if (cd_stat (cdaudio->cd_desc, &cdaudio->info) < 0)
return GST_STATE_FAILURE;
debug_track_info (cdaudio);
cdaudio->discid = cddb_discid (cdaudio->cd_desc);
g_object_notify (G_OBJECT (cdaudio), "discid");
cdaudio->was_playing = FALSE;
break;
case GST_STATE_PAUSED_TO_PLAYING:
{
gint res;
if (cdaudio->was_playing)
res = cd_resume (cdaudio->cd_desc);
else
res = cd_play (cdaudio->cd_desc, 1);
if (res < 0)
return GST_STATE_FAILURE;
cdaudio->was_playing = TRUE;
g_timer_start (cdaudio->timer);
break;
}
case GST_STATE_PLAYING_TO_PAUSED:
if (cd_pause (cdaudio->cd_desc) < 0)
return GST_STATE_FAILURE;
g_timer_stop (cdaudio->timer);
break;
case GST_STATE_PAUSED_TO_READY:
if (cd_stop (cdaudio->cd_desc) < 0)
return GST_STATE_FAILURE;
if (cd_finish (cdaudio->cd_desc) < 0)
return GST_STATE_FAILURE;
break;
case GST_STATE_READY_TO_NULL:
break;
default:
break;
}
if (GST_ELEMENT_CLASS (parent_class)->change_state) {
return GST_ELEMENT_CLASS (parent_class)->change_state (element);
}
return GST_STATE_SUCCESS;
}
static const GstEventMask *
gst_cdaudio_get_event_masks (GstElement * element)
{
static const GstEventMask masks[] = {
{GST_EVENT_SEEK, GST_SEEK_METHOD_SET |
GST_SEEK_METHOD_CUR | GST_SEEK_METHOD_END | GST_SEEK_FLAG_FLUSH},
{GST_EVENT_SEEK_SEGMENT, GST_SEEK_METHOD_SET |
GST_SEEK_METHOD_CUR | GST_SEEK_METHOD_END | GST_SEEK_FLAG_FLUSH},
{0,}
};
return masks;
}
static gboolean
gst_cdaudio_send_event (GstElement * element, GstEvent * event)
{
GstCDAudio *cdaudio;
gboolean res = TRUE;
cdaudio = GST_CDAUDIO (element);
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_SEEK:
switch (GST_EVENT_SEEK_FORMAT (event)) {
case GST_FORMAT_TIME:
{
if (cd_play_pos (cdaudio->cd_desc, 1,
(gint) (GST_EVENT_SEEK_OFFSET (event) / (GST_SECOND))) == -1)
res = FALSE;
break;
}
default:
res = FALSE;
break;
}
break;
default:
res = FALSE;
break;
}
gst_event_unref (event);
return res;
}
const GstFormat *
gst_cdaudio_get_formats (GstElement * element)
{
static GstFormat formats[] = {
GST_FORMAT_TIME,
GST_FORMAT_BYTES,
GST_FORMAT_DEFAULT,
0, /* fillted below */
0, /* fillted below */
0,
};
formats[3] = track_format;
formats[4] = sector_format;
return formats;
}
gboolean
gst_cdaudio_convert (GstElement * element,
GstFormat src_format, gint64 src_value,
GstFormat * dest_format, gint64 * dest_value)
{
return FALSE;
}
const GstQueryType *
gst_cdaudio_get_query_types (GstElement * element)
{
static const GstQueryType query_types[] = {
GST_QUERY_TOTAL,
GST_QUERY_POSITION,
GST_QUERY_START,
GST_QUERY_SEGMENT_END,
0
};
return query_types;
}
gboolean
gst_cdaudio_query (GstElement * element, GstQueryType type,
GstFormat * format, gint64 * value)
{
GstCDAudio *cdaudio;
gboolean res = TRUE;
gulong micros;
gdouble seconds;
cdaudio = GST_CDAUDIO (element);
/* take new snapshot every 1000 miliseconds */
seconds = g_timer_elapsed (cdaudio->timer, &micros);
if (micros > 1000 || seconds > 1) {
cd_stat (cdaudio->cd_desc, &cdaudio->info);
g_timer_start (cdaudio->timer);
}
switch (type) {
case GST_QUERY_TOTAL:
switch (*format) {
case GST_FORMAT_TIME:
*value = (cdaudio->info.disc_length.minutes * 60 +
cdaudio->info.disc_length.seconds) * GST_SECOND;
break;
default:
{
if (*format == track_format) {
*value = cdaudio->info.disc_total_tracks;
} else {
res = FALSE;
}
break;
}
}
break;
case GST_QUERY_POSITION:
switch (*format) {
case GST_FORMAT_TIME:
*value = (cdaudio->info.disc_time.minutes * 60 +
cdaudio->info.disc_time.seconds) * GST_SECOND;
break;
default:
{
if (*format == track_format) {
*value = cdaudio->info.disc_current_track;
} else {
res = FALSE;
}
break;
}
}
break;
default:
res = FALSE;
break;
}
return res;
}
static gboolean
plugin_init (GstPlugin * plugin)
{
if (!gst_element_register (plugin, "cdaudio", GST_RANK_NONE,
GST_TYPE_CDAUDIO))
return FALSE;
return TRUE;
}
/*** GSTURIHANDLER INTERFACE *************************************************/
static guint
cdaudio_uri_get_type (void)
{
return GST_URI_SRC;
}
static gchar **
cdaudio_uri_get_protocols (void)
{
static gchar *protocols[] = { "cd", NULL };
return protocols;
}
static const gchar *
cdaudio_uri_get_uri (GstURIHandler * handler)
{
GstCDAudio *cdaudio = GST_CDAUDIO (handler);
return cdaudio->uri;
}
static gboolean
cdaudio_uri_set_uri (GstURIHandler * handler, const gchar * uri)
{
gchar *protocol, *location;
gboolean ret;
ret = TRUE;
//GstCDAudio *cdaudio = GST_CDAUDIO(handler);
protocol = gst_uri_get_protocol (uri);
if (strcmp (protocol, "cd") != 0) {
g_free (protocol);
return FALSE;
}
g_free (protocol);
location = gst_uri_get_location (uri);
/*
cdaudio->uri_track = strtol(location,NULL,10);
if (cdaudio->uri_track > 0) {
cdaudio->seek_request = cdaudio->uri_track;
}
*/
g_free (location);
return ret;
}
static void
cdaudio_uri_handler_init (gpointer g_iface, gpointer iface_data)
{
GstURIHandlerInterface *iface = (GstURIHandlerInterface *) g_iface;
iface->get_type = cdaudio_uri_get_type;
iface->get_protocols = cdaudio_uri_get_protocols;
iface->get_uri = cdaudio_uri_get_uri;
iface->set_uri = cdaudio_uri_set_uri;
}
GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
GST_VERSION_MINOR,
"cdaudio",
"Play CD audio through the CD Drive",
plugin_init, VERSION, "LGPL", GST_PACKAGE, GST_ORIGIN)