gstreamer/ext/cdio/gstcdiocddasrc.c

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/* GStreamer
* Copyright (C) 2006 Tim-Philipp Müller <tim centricular net>
*
* 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.
*/
/**
* SECTION:element-cdiocddasrc
* @short_description: Reads raw audio from an Audio CD
* @see_also: GstCdParanoiaSrc, GstCddaBaseSrc
*
* <refsect2>
* <para>
* cdiocddasrc reads and extracts raw audio from Audio CDs. It can operate
* in one of two modes:
* <itemizedlist>
* <listitem><para>
* treat each track as a separate stream, counting time from the start
* of the track to the end of the track and posting EOS at the end of
* a track, or
* </para></listitem>
* <listitem><para>
* treat the entire disc as one stream, counting time from the start of
* the first track to the end of the last track, posting EOS only at
* the end of the last track.
* </para></listitem>
* </itemizedlist>
* </para>
* <para>
* With a recent-enough version of libcdio, the element will extract
* CD-TEXT if this is supported by the CD-drive and CD-TEXT information
* is available on the CD. The information will be posted on the bus in
* form of a tag message.
* </para>
* <para>
* When opened, the element will also calculate a CDDB disc ID and a
* MusicBrainz disc ID, which applications can use to query online
* databases for artist/title information. These disc IDs will also be
* posted on the bus as part of the tag messages.
* </para>
* <para>
* cdiocddasrc supports the GstUriHandler interface, so applications can use
* playbin with cdda://&lt;track-number&gt; URIs for playback (they will have
* to connect to playbin's notify::source signal and set the device on the
* cd source in the notify callback if they want to set the device property).
* Applications should use seeks in "track" format to switch between different
* tracks of the same CD (passing a new cdda:// URI to playbin involves opening
* and closing the CD device, which is much slower).
* </para>
* <title>Example launch line</title>
* <para>
* <programlisting>
* gst-launch cdiocddasrc track=5 device=/dev/cdrom ! audioconvert ! vorbisenc ! oggmux ! filesink location=track5.ogg
* </programlisting>
* This pipeline extracts track 5 of the audio CD and encodes it into an
* Ogg/Vorbis file.
* </para>
* </refsect2>
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "gstcdio.h"
#include "gstcdiocddasrc.h"
#include <gst/gst.h>
#include "gst/gst-i18n-plugin.h"
#include <sys/types.h>
#include <string.h>
#include <errno.h>
#define DEFAULT_READ_SPEED -1
enum
{
PROP_0 = 0,
PROP_READ_SPEED
};
Define GstElementDetails as const and also static (when defined as global) Original commit message from CVS: * ext/aalib/gstaasink.c: * ext/annodex/gstcmmldec.c: * ext/annodex/gstcmmlenc.c: * ext/cairo/gsttextoverlay.c: * ext/cairo/gsttimeoverlay.c: * ext/cdio/gstcdiocddasrc.c: * ext/dv/gstdvdec.c: * ext/dv/gstdvdemux.c: * ext/esd/esdmon.c: * ext/esd/esdsink.c: * ext/flac/gstflacenc.c: * ext/flac/gstflactag.c: * ext/gconf/gstgconfaudiosink.c: (gst_gconf_audio_sink_base_init): * ext/gconf/gstgconfaudiosrc.c: (gst_gconf_audio_src_base_init): * ext/gconf/gstgconfvideosink.c: (gst_gconf_video_sink_base_init): * ext/gconf/gstgconfvideosrc.c: (gst_gconf_video_src_base_init): * ext/gdk_pixbuf/pixbufscale.c: * ext/hal/gsthalaudiosink.c: (gst_hal_audio_sink_base_init): * ext/hal/gsthalaudiosrc.c: (gst_hal_audio_src_base_init): * ext/jpeg/gstjpegdec.c: * ext/jpeg/gstjpegenc.c: * ext/jpeg/gstsmokedec.c: * ext/jpeg/gstsmokeenc.c: * ext/libcaca/gstcacasink.c: * ext/libmng/gstmngdec.c: * ext/libmng/gstmngenc.c: * ext/libpng/gstpngdec.c: * ext/libpng/gstpngenc.c: * ext/mikmod/gstmikmod.c: * ext/raw1394/gstdv1394src.c: * ext/shout2/gstshout2.c: (gst_shout2send_init): * ext/shout2/gstshout2.h: * ext/speex/gstspeexdec.c: * ext/speex/gstspeexenc.c: * gst/alpha/gstalpha.c: * gst/alpha/gstalphacolor.c: * gst/apetag/gstapedemux.c: * gst/auparse/gstauparse.c: * gst/autodetect/gstautoaudiosink.c: (gst_auto_audio_sink_base_init): * gst/autodetect/gstautovideosink.c: (gst_auto_video_sink_base_init): * gst/avi/gstavidemux.c: (gst_avi_demux_base_init): * gst/avi/gstavimux.c: (gst_avimux_base_init): * gst/cutter/gstcutter.c: * gst/debug/breakmydata.c: * gst/debug/efence.c: * gst/debug/gstnavigationtest.c: * gst/debug/gstnavseek.c: * gst/debug/negotiation.c: * gst/debug/progressreport.c: * gst/debug/testplugin.c: * gst/effectv/gstaging.c: * gst/effectv/gstdice.c: * gst/effectv/gstedge.c: * gst/effectv/gstquark.c: * gst/effectv/gstrev.c: * gst/effectv/gstshagadelic.c: * gst/effectv/gstvertigo.c: * gst/effectv/gstwarp.c: * gst/flx/gstflxdec.c: * gst/goom/gstgoom.c: * gst/icydemux/gsticydemux.c: * gst/id3demux/gstid3demux.c: * gst/interleave/deinterleave.c: * gst/interleave/interleave.c: * gst/law/alaw-decode.c: (gst_alawdec_base_init): * gst/law/alaw-encode.c: (gst_alawenc_base_init): * gst/law/mulaw-decode.c: (gst_mulawdec_base_init): * gst/law/mulaw-encode.c: (gst_mulawenc_base_init): * gst/level/gstlevel.c: * gst/matroska/matroska-demux.c: (gst_matroska_demux_base_init): * gst/matroska/matroska-mux.c: (gst_matroska_mux_base_init): * gst/median/gstmedian.c: * gst/monoscope/gstmonoscope.c: * gst/multipart/multipartdemux.c: * gst/multipart/multipartmux.c: * gst/oldcore/gstaggregator.c: * gst/oldcore/gstfdsink.c: * gst/oldcore/gstmd5sink.c: * gst/oldcore/gstmultifilesrc.c: * gst/oldcore/gstpipefilter.c: * gst/oldcore/gstshaper.c: * gst/oldcore/gststatistics.c: * gst/rtp/gstasteriskh263.c: * gst/rtp/gstrtpL16depay.c: * gst/rtp/gstrtpL16pay.c: * gst/rtp/gstrtpamrdepay.c: * gst/rtp/gstrtpamrpay.c: * gst/rtp/gstrtpdepay.c: * gst/rtp/gstrtpgsmpay.c: * gst/rtp/gstrtph263pay.c: * gst/rtp/gstrtph263pdepay.c: * gst/rtp/gstrtph263ppay.c: * gst/rtp/gstrtpilbcdepay.c: * gst/rtp/gstrtpmp4gpay.c: * gst/rtp/gstrtpmp4vdepay.c: * gst/rtp/gstrtpmp4vpay.c: * gst/rtp/gstrtpmpadepay.c: * gst/rtp/gstrtpmpapay.c: * gst/rtp/gstrtppcmadepay.c: * gst/rtp/gstrtppcmapay.c: * gst/rtp/gstrtppcmudepay.c: * gst/rtp/gstrtppcmupay.c: * gst/rtp/gstrtpspeexdepay.c: * gst/rtp/gstrtpspeexpay.c: * gst/rtsp/gstrtpdec.c: * gst/rtsp/gstrtspsrc.c: * gst/smpte/gstsmpte.c: * gst/udp/gstdynudpsink.c: * gst/udp/gstmultiudpsink.c: * gst/udp/gstudpsink.c: * gst/udp/gstudpsrc.c: * gst/videobox/gstvideobox.c: * gst/videofilter/gstgamma.c: (gst_gamma_base_init): * gst/videofilter/gstvideobalance.c: * gst/videofilter/gstvideoflip.c: * gst/videofilter/gstvideotemplate.c: (gst_videotemplate_base_init): * gst/videomixer/videomixer.c: * gst/wavparse/gstwavparse.c: (gst_wavparse_base_init), (gst_wavparse_class_init), (gst_wavparse_dispose), (gst_wavparse_reset), (gst_wavparse_init), (gst_wavparse_perform_seek), (gst_wavparse_peek_chunk_info), (gst_wavparse_peek_chunk), (gst_wavparse_stream_headers), (gst_wavparse_parse_stream_init), (gst_wavparse_send_event), (gst_wavparse_add_src_pad), (gst_wavparse_stream_data), (gst_wavparse_chain), (gst_wavparse_srcpad_event), (gst_wavparse_sink_activate), (gst_wavparse_sink_activate_pull), (gst_wavparse_change_state): * gst/wavparse/gstwavparse.h: * sys/oss/gstossmixerelement.c: * sys/oss/gstosssink.c: * sys/oss/gstosssrc.c: * sys/osxaudio/gstosxaudioelement.c: * sys/osxaudio/gstosxaudiosink.c: * sys/osxaudio/gstosxaudiosrc.c: * sys/sunaudio/gstsunaudiomixer.c: * sys/sunaudio/gstsunaudiosink.c: Define GstElementDetails as const and also static (when defined as global)
2006-04-25 21:39:46 +00:00
static const GstElementDetails gst_cdio_cdda_src_details =
better/unified long descriptions Original commit message from CVS: * ext/aalib/gstaasink.c: * ext/annodex/gstcmmldec.c: * ext/annodex/gstcmmlenc.c: * ext/cairo/gsttextoverlay.c: * ext/cairo/gsttimeoverlay.c: * ext/cdio/gstcdiocddasrc.c: * ext/dv/gstdvdec.c: * ext/esd/esdmon.c: * ext/esd/esdsink.c: * ext/flac/gstflacdec.c: * ext/flac/gstflacenc.c: * ext/flac/gstflactag.c: * ext/gconf/gstgconfaudiosink.c: (gst_gconf_audio_sink_base_init): * ext/gconf/gstgconfaudiosrc.c: (gst_gconf_audio_src_base_init): * ext/gconf/gstgconfvideosink.c: (gst_gconf_video_sink_base_init): * ext/gconf/gstgconfvideosrc.c: (gst_gconf_video_src_base_init): * ext/gdk_pixbuf/gstgdkpixbuf.c: * ext/gdk_pixbuf/pixbufscale.c: * ext/hal/gsthalaudiosink.c: (gst_hal_audio_sink_base_init): * ext/hal/gsthalaudiosrc.c: (gst_hal_audio_src_base_init): * ext/jpeg/gstjpegdec.c: * ext/jpeg/gstjpegenc.c: * ext/jpeg/gstsmokedec.c: * ext/jpeg/gstsmokeenc.c: * ext/libcaca/gstcacasink.c: * ext/libmng/gstmngdec.c: * ext/libmng/gstmngenc.c: * ext/libpng/gstpngdec.c: * ext/libpng/gstpngenc.c: * ext/mikmod/gstmikmod.c: * ext/raw1394/gstdv1394src.c: * ext/shout2/gstshout2.c: * ext/speex/gstspeexdec.c: * ext/speex/gstspeexenc.c: * gst/alpha/gstalpha.c: * gst/alpha/gstalphacolor.c: * gst/auparse/gstauparse.c: * gst/autodetect/gstautoaudiosink.c: (gst_auto_audio_sink_base_init): * gst/autodetect/gstautovideosink.c: (gst_auto_video_sink_base_init): * gst/avi/gstavimux.c: (gst_avimux_base_init): * gst/cutter/gstcutter.c: * gst/debug/breakmydata.c: * gst/debug/efence.c: * gst/debug/gstnavigationtest.c: * gst/debug/negotiation.c: * gst/debug/progressreport.c: * gst/debug/testplugin.c: * gst/effectv/gstaging.c: * gst/effectv/gstdice.c: * gst/effectv/gstedge.c: * gst/effectv/gstquark.c: * gst/effectv/gstrev.c: * gst/effectv/gstvertigo.c: * gst/effectv/gstwarp.c: * gst/flx/gstflxdec.c: * gst/goom/gstgoom.c: * gst/interleave/deinterleave.c: * gst/interleave/interleave.c: * gst/law/alaw-decode.c: (gst_alawdec_base_init): * gst/law/alaw-encode.c: (gst_alawenc_base_init): * gst/law/mulaw-decode.c: (gst_mulawdec_base_init): * gst/law/mulaw-encode.c: (gst_mulawenc_base_init): * gst/level/gstlevel.c: * gst/matroska/matroska-demux.c: (gst_matroska_demux_base_init): * gst/matroska/matroska-mux.c: (gst_matroska_mux_base_init): * gst/median/gstmedian.c: * gst/monoscope/gstmonoscope.c: * gst/multipart/multipartdemux.c: * gst/multipart/multipartmux.c: * gst/oldcore/gstmd5sink.c: * gst/oldcore/gstmultifilesrc.c: * gst/oldcore/gstpipefilter.c: * gst/oldcore/gstshaper.c: * gst/oldcore/gststatistics.c: * gst/rtp/gstasteriskh263.c: * gst/rtp/gstrtpL16depay.c: * gst/rtp/gstrtpL16pay.c: * gst/rtp/gstrtpamrdepay.c: * gst/rtp/gstrtpamrpay.c: * gst/rtp/gstrtpdepay.c: * gst/rtp/gstrtpgsmpay.c: * gst/rtp/gstrtph263pay.c: * gst/rtp/gstrtph263pdepay.c: * gst/rtp/gstrtph263ppay.c: * gst/rtp/gstrtpmp4gpay.c: * gst/rtp/gstrtpmp4vdepay.c: * gst/rtp/gstrtpmp4vpay.c: * gst/rtp/gstrtpmpadepay.c: * gst/rtp/gstrtpmpapay.c: * gst/rtp/gstrtppcmadepay.c: * gst/rtp/gstrtppcmapay.c: * gst/rtp/gstrtppcmudepay.c: * gst/rtp/gstrtppcmupay.c: * gst/rtp/gstrtpspeexdepay.c: * gst/rtp/gstrtpspeexpay.c: * gst/rtsp/gstrtpdec.c: * gst/smpte/gstsmpte.c: * gst/videobox/gstvideobox.c: * gst/videofilter/gstgamma.c: (gst_gamma_base_init): * gst/videofilter/gstvideobalance.c: * gst/videofilter/gstvideoflip.c: * gst/videofilter/gstvideotemplate.c: (gst_videotemplate_base_init): * gst/videomixer/videomixer.c: * gst/wavenc/gstwavenc.c: * gst/wavparse/gstwavparse.c: (gst_wavparse_base_init): better/unified long descriptions Fixed #336602 Some cleanups to auparse, don't send multiple newsegments.
2006-03-30 15:37:05 +00:00
GST_ELEMENT_DETAILS ("CD audio source (CDDA)",
"Source/File",
"Read audio from CD using libcdio",
"Tim-Philipp Müller <tim centricular net>");
GST_BOILERPLATE (GstCdioCddaSrc, gst_cdio_cdda_src, GstCddaBaseSrc,
GST_TYPE_CDDA_BASE_SRC);
static void gst_cdio_cdda_src_finalize (GObject * obj);
static void gst_cdio_cdda_src_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec);
static void gst_cdio_cdda_src_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec);
static gchar *gst_cdio_cdda_src_get_default_device (GstCddaBaseSrc * src);
static GstBuffer *gst_cdio_cdda_src_read_sector (GstCddaBaseSrc * src,
gint sector);
static gboolean gst_cdio_cdda_src_open (GstCddaBaseSrc * src,
const gchar * device);
static void gst_cdio_cdda_src_close (GstCddaBaseSrc * src);
static void
gst_cdio_cdda_src_base_init (gpointer g_class)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
gst_element_class_set_details (element_class, &gst_cdio_cdda_src_details);
}
static gchar *
gst_cdio_cdda_src_get_default_device (GstCddaBaseSrc * cddabasesrc)
{
GstCdioCddaSrc *src;
gchar *default_device, *ret;
src = GST_CDIO_CDDA_SRC (cddabasesrc);
/* src->cdio may be NULL here */
default_device = cdio_get_default_device (src->cdio);
ret = g_strdup (default_device);
free (default_device);
GST_LOG_OBJECT (src, "returning default device: %s", GST_STR_NULL (ret));
return ret;
}
static gchar **
gst_cdio_cdda_src_probe_devices (GstCddaBaseSrc * cddabasesrc)
{
char **devices, **ret, **d;
/* FIXME: might return the same hardware device twice, e.g.
* as /dev/cdrom and /dev/dvd - gotta do something more sophisticated */
devices = cdio_get_devices (DRIVER_DEVICE);
if (devices == NULL)
goto no_devices;
if (*devices == NULL)
goto empty_devices;
ret = g_strdupv (devices);
for (d = devices; *d != NULL; ++d) {
GST_DEBUG_OBJECT (cddabasesrc, "device: %s", GST_STR_NULL (*d));
free (*d);
}
free (devices);
return ret;
/* ERRORS */
no_devices:
{
GST_DEBUG_OBJECT (cddabasesrc, "no devices found");
return NULL;
}
empty_devices:
{
GST_DEBUG_OBJECT (cddabasesrc, "empty device list found");
free (devices);
return NULL;
}
}
static GstBuffer *
gst_cdio_cdda_src_read_sector (GstCddaBaseSrc * cddabasesrc, gint sector)
{
GstCdioCddaSrc *src;
GstBuffer *buf;
src = GST_CDIO_CDDA_SRC (cddabasesrc);
/* can't use pad_alloc because we can't return the GstFlowReturn */
buf = gst_buffer_new_and_alloc (CDIO_CD_FRAMESIZE_RAW);
if (cdio_read_audio_sector (src->cdio, GST_BUFFER_DATA (buf), sector) != 0)
goto read_failed;
return buf;
/* ERRORS */
read_failed:
{
GST_WARNING_OBJECT (src, "read at sector %d failed!", sector);
GST_ELEMENT_ERROR (src, RESOURCE, READ,
(_("Could not read from CD.")),
("cdio_read_audio_sector at %d failed: %s", sector,
g_strerror (errno)));
gst_buffer_unref (buf);
return NULL;
}
}
static gboolean
notcdio_track_is_audio_track (const CdIo * p_cdio, track_t i_track)
{
return (cdio_get_track_format (p_cdio, i_track) == TRACK_FORMAT_AUDIO);
}
static gboolean
gst_cdio_cdda_src_open (GstCddaBaseSrc * cddabasesrc, const gchar * device)
{
GstCdioCddaSrc *src;
discmode_t discmode;
gint first_track, num_tracks, i;
src = GST_CDIO_CDDA_SRC (cddabasesrc);
g_assert (device != NULL);
g_assert (src->cdio == NULL);
GST_LOG_OBJECT (src, "trying to open device %s", device);
if (!(src->cdio = cdio_open (device, DRIVER_UNKNOWN)))
goto open_failed;
discmode = cdio_get_discmode (src->cdio);
GST_LOG_OBJECT (src, "discmode: %d", (gint) discmode);
if (discmode != CDIO_DISC_MODE_CD_DA && discmode != CDIO_DISC_MODE_CD_MIXED)
goto not_audio;
first_track = cdio_get_first_track_num (src->cdio);
num_tracks = cdio_get_num_tracks (src->cdio);
if (num_tracks <= 0 || first_track < 0)
return TRUE; /* base class will generate 'has no tracks' error */
if (src->read_speed != -1) {
#if (LIBCDIO_VERSION_NUM >= 76)
cdio_set_speed (src->cdio, src->read_speed);
#else
GST_WARNING_OBJECT (src, "This libcdio version (%u) does not support "
"setting the drive reading speed (want >= 76)", LIBCDIO_VERSION_NUM);
#endif
}
GST_LOG_OBJECT (src, "%u tracks, first track: %d", num_tracks, first_track);
for (i = 0; i < num_tracks; ++i) {
GstCddaBaseSrcTrack track = { 0, };
gint len_sectors;
len_sectors = cdio_get_track_sec_count (src->cdio, i + first_track);
track.num = i + first_track;
track.is_audio = notcdio_track_is_audio_track (src->cdio, i + first_track);
/* Note: LSN/LBA confusion all around us; in any case, this does
* the right thing here (for cddb id calculations etc. as well) */
track.start = cdio_get_track_lsn (src->cdio, i + first_track);
track.end = track.start + len_sectors - 1; /* -1? */
track.tags = gst_cdio_get_cdtext (GST_OBJECT (src), src->cdio,
i + first_track);
gst_cdda_base_src_add_track (GST_CDDA_BASE_SRC (src), &track);
}
return TRUE;
/* ERRORS */
open_failed:
{
GST_ELEMENT_ERROR (src, RESOURCE, OPEN_READ,
(_("Could not open CD device for reading.")),
("cdio_open() failed: %s", g_strerror (errno)));
return FALSE;
}
not_audio:
{
GST_ELEMENT_ERROR (src, RESOURCE, OPEN_READ,
(_("Disc is not an Audio CD.")), ("discmode: %d", (gint) discmode));
cdio_destroy (src->cdio);
src->cdio = NULL;
return FALSE;
}
}
static void
gst_cdio_cdda_src_close (GstCddaBaseSrc * cddabasesrc)
{
GstCdioCddaSrc *src = GST_CDIO_CDDA_SRC (cddabasesrc);
if (src->cdio) {
cdio_destroy (src->cdio);
src->cdio = NULL;
}
}
static void
gst_cdio_cdda_src_init (GstCdioCddaSrc * src, GstCdioCddaSrcClass * klass)
{
src->read_speed = DEFAULT_READ_SPEED; /* don't need atomic access here */
src->cdio = NULL;
}
static void
gst_cdio_cdda_src_finalize (GObject * obj)
{
GstCdioCddaSrc *src = GST_CDIO_CDDA_SRC (obj);
if (src->cdio) {
cdio_destroy (src->cdio);
src->cdio = NULL;
}
G_OBJECT_CLASS (parent_class)->finalize (obj);
}
static void
gst_cdio_cdda_src_class_init (GstCdioCddaSrcClass * klass)
{
GstCddaBaseSrcClass *cddabasesrc_class = GST_CDDA_BASE_SRC_CLASS (klass);
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
gobject_class->set_property = gst_cdio_cdda_src_set_property;
gobject_class->get_property = gst_cdio_cdda_src_get_property;
gobject_class->finalize = gst_cdio_cdda_src_finalize;
cddabasesrc_class->open = gst_cdio_cdda_src_open;
cddabasesrc_class->close = gst_cdio_cdda_src_close;
cddabasesrc_class->read_sector = gst_cdio_cdda_src_read_sector;
cddabasesrc_class->probe_devices = gst_cdio_cdda_src_probe_devices;
cddabasesrc_class->get_default_device = gst_cdio_cdda_src_get_default_device;
g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_READ_SPEED,
g_param_spec_int ("read-speed", "Read speed",
"Read from device at the specified speed (-1 = default)", -1, 100,
DEFAULT_READ_SPEED, G_PARAM_READWRITE));
}
static void
gst_cdio_cdda_src_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstCdioCddaSrc *src = GST_CDIO_CDDA_SRC (object);
switch (prop_id) {
case PROP_READ_SPEED:{
gint speed;
speed = g_value_get_int (value);
gst_atomic_int_set (&src->read_speed, speed);
break;
}
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_cdio_cdda_src_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec)
{
GstCdioCddaSrc *src = GST_CDIO_CDDA_SRC (object);
switch (prop_id) {
case PROP_READ_SPEED:{
gint speed;
speed = g_atomic_int_get (&src->read_speed);
g_value_set_int (value, speed);
break;
}
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}