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Original commit message from CVS: * configure.ac: * ext/Makefile.am: * ext/alsaspdif/Makefile.am: * ext/alsaspdif/alsaspdifsink.c: (alsaspdifsink_base_init), (alsaspdifsink_class_init), (alsaspdifsink_init), (alsaspdifsink_dispose), (alsaspdifsink_set_property), (alsaspdifsink_get_property), (alsaspdifsink_provide_clock), (alsaspdifsink_get_time), (alsaspdifsink_open), (alsaspdifsink_close), (alsaspdifsink_find_pcm_device), (alsaspdifsink_write_frame), (alsaspdifsink_event), (alsaspdifsink_get_times), (alsaspdifsink_current_delay), (generate_iec958_zero_frame), (alsaspdifsink_render), (ignore_alsa_err), (alsaspdifsink_change_state), (plugin_init): * ext/alsaspdif/alsaspdifsink.h: Add an alsa plugin to output IEC958 frames over S/PDIF
84 lines
2.6 KiB
C
84 lines
2.6 KiB
C
/* Based on a plugin from Martin Soto's Seamless DVD Player.
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* Copyright (C) 2003, 2004 Martin Soto <martinsoto@users.sourceforge.net>
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* 2005-6 Michael Smith <msmith@fluendo.com>
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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 __ALSASPDIFSINK_H__
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#define __ALSASPDIFSINK_H__
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#include <gst/gst.h>
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#define ALSA_PCM_NEW_HW_PARAMS_API
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#define ALSA_PCM_NEW_SW_PARAMS_API
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#include <alsa/asoundlib.h>
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G_BEGIN_DECLS
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#define GST_TYPE_ALSASPDIFSINK \
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(alsaspdifsink_get_type())
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#define ALSASPDIFSINK(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_ALSASPDIFSINK,AlsaSPDIFSink))
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#define ALSASPDIFSINK_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_ALSASPDIFSINK,AlsaSPDIFSinkClass))
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#define GST_IS_ALSASPDIFSINK(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_ALSASPDIFSINK))
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#define GST_IS_ALSASPDIFSINK_CLASS(obj) \
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(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_ALSASPDIFSINK))
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#define GST_TYPE_ALSASPDIFSINK (alsaspdifsink_get_type())
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typedef struct _AlsaSPDIFSink AlsaSPDIFSink;
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typedef struct _AlsaSPDIFSinkClass AlsaSPDIFSinkClass;
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typedef enum {
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ALSASPDIFSINK_OPEN = GST_ELEMENT_FLAG_LAST,
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ALSASPDIFSINK_FLAG_LAST = GST_ELEMENT_FLAG_LAST + 2,
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} AlsaSPDIFSinkFlags;
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/* ALSA spdif types. */
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enum {
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SPDIF_NONE = 0,
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SPDIF_CON,
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SPDIF_PRO,
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SPDIF_PCM
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};
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struct _AlsaSPDIFSink {
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GstBaseSink basesink;
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GstClockTime cur_ts; /* Current time stamp. */
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snd_pcm_t *pcm; /* ALSA output device. */
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gint card; /* ALSA card number to use */
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char *device; /* ALSA device name */
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GstClock *clock; /* The clock for this element. */
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guint64 frames; /* Number of complete frames written */
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gboolean need_swap; /* Whether to byte swap outgoing data */
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};
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struct _AlsaSPDIFSinkClass {
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GstBaseSinkClass parent_class;
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};
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extern GType alsaspdifsink_get_type (void);
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G_END_DECLS
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#endif /* __DXR3AUDIOINK_H__ */
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