mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-07-19 21:08:24 +00:00
371e3e460a
We need different export decorators for the different libs. For now no actual change though, just rename before the release, and add prelude headers to define the new decorator to GST_EXPORT.
148 lines
5.2 KiB
C
148 lines
5.2 KiB
C
/* GStreamer Audio CD Source Base Class
|
|
* Copyright (C) 2005 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., 51 Franklin St, Fifth Floor,
|
|
* Boston, MA 02110-1301, USA.
|
|
*/
|
|
|
|
#ifndef __GST_AUDIO_AUDIO_H__
|
|
#include <gst/audio/audio.h>
|
|
#endif
|
|
|
|
#ifndef __GST_AUDIO_CD_SRC_H__
|
|
#define __GST_AUDIO_CD_SRC_H__
|
|
|
|
#include <gst/gst.h>
|
|
#include <gst/base/gstpushsrc.h>
|
|
|
|
G_BEGIN_DECLS
|
|
|
|
#define GST_TYPE_AUDIO_CD_SRC (gst_audio_cd_src_get_type())
|
|
#define GST_AUDIO_CD_SRC(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), GST_TYPE_AUDIO_CD_SRC, GstAudioCdSrc))
|
|
#define GST_AUDIO_CD_SRC_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), GST_TYPE_AUDIO_CD_SRC, GstAudioCdSrcClass))
|
|
#define GST_IS_AUDIO_CD_SRC(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_TYPE_AUDIO_CD_SRC))
|
|
#define GST_IS_AUDIO_CD_SRC_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass), GST_TYPE_AUDIO_CD_SRC))
|
|
#define GST_AUDIO_CD_SRC_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_AUDIO_CD_SRC, GstAudioCdSrcClass))
|
|
|
|
typedef struct _GstAudioCdSrc GstAudioCdSrc;
|
|
typedef struct _GstAudioCdSrcClass GstAudioCdSrcClass;
|
|
typedef struct _GstAudioCdSrcTrack GstAudioCdSrcTrack;
|
|
typedef struct _GstAudioCdSrcPrivate GstAudioCdSrcPrivate;
|
|
|
|
/**
|
|
* GstAudioCdSrcMode:
|
|
* @GST_AUDIO_CD_SRC_MODE_NORMAL : each single track is a stream
|
|
* @GST_AUDIO_CD_SRC_MODE_CONTINUOUS : the entire disc is a single stream
|
|
*
|
|
* Mode in which the CD audio source operates. Influences timestamping,
|
|
* EOS handling and seeking.
|
|
*/
|
|
typedef enum {
|
|
GST_AUDIO_CD_SRC_MODE_NORMAL, /* stream = one track */
|
|
GST_AUDIO_CD_SRC_MODE_CONTINUOUS /* stream = whole disc */
|
|
} GstAudioCdSrcMode;
|
|
|
|
/**
|
|
* GstAudioCdSrcTrack:
|
|
* @is_audio: Whether this is an audio track
|
|
* @num: Track number in TOC (usually starts from 1, but not always)
|
|
* @start: The first sector of this track (LBA)
|
|
* @end: The last sector of this track (LBA)
|
|
* @tags: Track-specific tags (e.g. from cd-text information), or NULL
|
|
*
|
|
* CD track abstraction to communicate TOC entries to the base class.
|
|
*
|
|
* This structure is only for use by sub-classed in connection with
|
|
* gst_audio_cd_src_add_track().
|
|
*
|
|
* Applications will be informed of the available tracks via a TOC message
|
|
* on the pipeline's #GstBus instead.
|
|
*/
|
|
/* FIXME 2.0: remove this struct and pass values directly to _add_track() */
|
|
struct _GstAudioCdSrcTrack {
|
|
gboolean is_audio; /* TRUE if this is an audio track */
|
|
guint num; /* real track number (usually starts from 1) */
|
|
guint start; /* first sector of track (LBA, not LSN!) */
|
|
guint end; /* last sector of track (LBA, not LSN!) */
|
|
GstTagList *tags; /* NULL or tags for track (e.g. from cd-text) */
|
|
|
|
/*< private >*/
|
|
guint _gst_reserved1[GST_PADDING/2];
|
|
gpointer _gst_reserved2[GST_PADDING/2];
|
|
};
|
|
|
|
struct _GstAudioCdSrc {
|
|
GstPushSrc pushsrc;
|
|
|
|
/*< protected >*/ /* for use by sub-classes only */
|
|
GstTagList *tags; /* tags that apply to all tracks */
|
|
|
|
/*< private >*/
|
|
GstAudioCdSrcPrivate *priv;
|
|
|
|
/*< private >*/
|
|
guint _gst_reserved1[GST_PADDING/2];
|
|
gpointer _gst_reserved2[GST_PADDING/2];
|
|
};
|
|
|
|
/**
|
|
* GstAudioCdSrcClass:
|
|
* @pushsrc_class: the parent class
|
|
* @open: opening the device
|
|
* @close: closing the device
|
|
* @read_sector: reading a sector
|
|
* @get_default_device: getting the default device
|
|
* @probe_devices: probing possible devices
|
|
*
|
|
* Audio CD source base class.
|
|
*/
|
|
struct _GstAudioCdSrcClass {
|
|
GstPushSrcClass pushsrc_class;
|
|
|
|
/* open/close the CD device */
|
|
gboolean (*open) (GstAudioCdSrc *src, const gchar *device);
|
|
void (*close) (GstAudioCdSrc *src);
|
|
|
|
/* read one sector (LBA) */
|
|
GstBuffer * (*read_sector) (GstAudioCdSrc *src, gint sector);
|
|
|
|
#if 0
|
|
/* return default device or NULL (optional) */
|
|
gchar * (*get_default_device) (GstAudioCdSrc *src);
|
|
|
|
/* return NULL-terminated string array of CD devices, or NULL (optional) */
|
|
/* FIXME 0.11: reconsider for new probing/device discovery API, remove if in doubt */
|
|
gchar ** (*probe_devices) (GstAudioCdSrc *src);
|
|
#endif
|
|
|
|
/*< private >*/
|
|
gpointer _gst_reserved[GST_PADDING_LARGE];
|
|
};
|
|
|
|
GST_AUDIO_API
|
|
GType gst_audio_cd_src_get_type (void);
|
|
|
|
GST_AUDIO_API
|
|
gboolean gst_audio_cd_src_add_track (GstAudioCdSrc * src,
|
|
GstAudioCdSrcTrack * track);
|
|
|
|
#ifdef G_DEFINE_AUTOPTR_CLEANUP_FUNC
|
|
G_DEFINE_AUTOPTR_CLEANUP_FUNC(GstAudioCdSrc, gst_object_unref)
|
|
#endif
|
|
|
|
G_END_DECLS
|
|
|
|
#endif /* __GST_AUDIO_CD_SRC_H__ */
|