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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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4506e60ea0
Original commit message from CVS: Make GstMixerTrack a GObject. I also want to make it emit several signals, starting work is in here but it's not fully implemented yet. for OSS, this will cause issues, but for ALSA, this is all automated.
114 lines
3 KiB
C
114 lines
3 KiB
C
/* GStreamer
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* Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
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* 2000 Wim Taymans <wim.taymans@chello.be>
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*
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* gstosselement.h:
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef __GST_OSS_ELEMENT_H__
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#define __GST_OSS_ELEMENT_H__
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#include <gst/gst.h>
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G_BEGIN_DECLS
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#define GST_TYPE_OSSELEMENT \
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(gst_osselement_get_type())
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#define GST_OSSELEMENT(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_OSSELEMENT,GstOssElement))
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#define GST_OSSELEMENT_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_OSSELEMENT,GstOssElementClass))
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#define GST_IS_OSSELEMENT(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_OSSELEMENT))
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#define GST_IS_OSSELEMENT_CLASS(obj) \
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(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_OSSELEMENT))
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typedef struct _GstOssElement GstOssElement;
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typedef struct _GstOssElementClass GstOssElementClass;
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typedef enum {
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GST_OSSELEMENT_READ,
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GST_OSSELEMENT_WRITE,
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} GstOssOpenMode;
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struct _GstOssElement
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{
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/* yes, we're a gstelement too */
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GstElement parent;
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gchar *device,
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*mixer_dev;
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/* device state */
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int fd;
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int caps; /* the capabilities */
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gint format;
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gint fragment;
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guint64 fragment_time;
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gint fragment_size;
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GstOssOpenMode mode;
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/* stats */
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guint bps;
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/* parameters */
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gint law;
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gint endianness;
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gboolean sign;
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gint width;
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gint depth;
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gint channels;
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gint rate;
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/* mixer stuff */
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GList *tracklist;
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guint32 stereomask,
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recdevs,
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recmask,
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mixcaps;
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gint mixer_fd;
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gchar *device_name;
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};
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struct _GstOssElementClass {
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GstElementClass klass;
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};
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GType gst_osselement_get_type (void);
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/* factory register function */
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gboolean gst_osselement_factory_init (GstPlugin *plugin);
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/* some useful functions */
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gboolean gst_osselement_parse_caps (GstOssElement *oss,
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GstCaps *caps);
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gboolean gst_osselement_merge_fixed_caps (GstOssElement *oss,
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GstCaps *caps);
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gboolean gst_osselement_sync_parms (GstOssElement *oss);
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void gst_osselement_reset (GstOssElement *oss);
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gboolean gst_osselement_convert (GstOssElement *oss,
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GstFormat src_format,
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gint64 src_value,
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GstFormat *dest_format,
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gint64 *dest_value);
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G_END_DECLS
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#endif /* __GST_OSS_ELEMENT_H__ */
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