/* Based on a plugin from Martin Soto's Seamless DVD Player. * Copyright (C) 2003, 2004 Martin Soto <martinsoto@users.sourceforge.net> * 2005-6 Michael Smith <msmith@fluendo.com> * * 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. */ #ifndef __ALSASPDIFSINK_H__ #define __ALSASPDIFSINK_H__ #include <gst/gst.h> #define ALSA_PCM_NEW_HW_PARAMS_API #define ALSA_PCM_NEW_SW_PARAMS_API #include <alsa/asoundlib.h> G_BEGIN_DECLS #define GST_TYPE_ALSASPDIFSINK \ (alsaspdifsink_get_type()) #define ALSASPDIFSINK(obj) \ (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_ALSASPDIFSINK,AlsaSPDIFSink)) #define ALSASPDIFSINK_CLASS(klass) \ (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_ALSASPDIFSINK,AlsaSPDIFSinkClass)) #define GST_IS_ALSASPDIFSINK(obj) \ (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_ALSASPDIFSINK)) #define GST_IS_ALSASPDIFSINK_CLASS(klass) \ (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_ALSASPDIFSINK)) #define GST_TYPE_ALSASPDIFSINK (alsaspdifsink_get_type()) typedef struct _AlsaSPDIFSink AlsaSPDIFSink; typedef struct _AlsaSPDIFSinkClass AlsaSPDIFSinkClass; typedef enum { ALSASPDIFSINK_OPEN = GST_ELEMENT_FLAG_LAST, ALSASPDIFSINK_FLAG_LAST = GST_ELEMENT_FLAG_LAST + 2, } AlsaSPDIFSinkFlags; /* ALSA spdif types. */ enum { SPDIF_NONE = 0, SPDIF_CON, SPDIF_PRO, SPDIF_PCM }; struct _AlsaSPDIFSink { GstBaseSink basesink; GstClockTime cur_ts; /* Current time stamp. */ snd_pcm_t *pcm; /* ALSA output device. */ gint card; /* ALSA card number to use */ char *device; /* ALSA device name */ GstClock *clock; /* The clock for this element. */ guint64 frames; /* Number of complete frames written */ gboolean need_swap; /* Whether to byte swap outgoing data */ gint rate; /* Sampling rate of data */ }; struct _AlsaSPDIFSinkClass { GstBaseSinkClass parent_class; }; extern GType alsaspdifsink_get_type (void); G_END_DECLS #endif /* __DXR3AUDIOINK_H__ */