| 1 | /* GStreamer
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| 2 | * Copyright (C) 2005 Wim Taymans <[email protected]>
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| 3 | * Copyright (C) 2008 Matthias Kretz <[email protected]>
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| 4 | *
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| 5 | * gstalsasink2.h:
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| 6 | *
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| 7 | * This library is free software; you can redistribute it and/or
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| 8 | * modify it under the terms of the GNU Library General Public
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| 9 | * License as published by the Free Software Foundation; either
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| 10 | * version 2 of the License, or (at your option) any later version.
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| 11 | *
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| 12 | * This library is distributed in the hope that it will be useful,
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| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 15 | * Library General Public License for more details.
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| 16 | *
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| 17 | * You should have received a copy of the GNU Library General Public
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| 18 | * License along with this library; if not, write to the
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| 19 | * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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| 20 | * Boston, MA 02111-1307, USA.
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| 21 | */
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| 22 |
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| 23 |
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| 24 | #ifndef ALSASINK2_H
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| 25 | #define ALSASINK2_H
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| 26 |
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| 27 | #include <gst/gst.h>
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| 28 | #include <gst/audio/gstaudiosink.h>
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| 29 | #include <alsa/asoundlib.h>
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| 30 |
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| 31 | G_BEGIN_DECLS
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| 32 |
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| 33 | #define GST_TYPE_ALSA_SINK2 (gst_alsasink2_get_type())
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| 34 | #define GST_ALSA_SINK2(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_ALSA_SINK2,_k_GstAlsaSink))
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| 35 | #define GST_ALSA_SINK2_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_ALSA_SINK2,_k_GstAlsaSinkClass))
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| 36 | #define GST_IS_ALSA_SINK2(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_ALSA_SINK2))
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| 37 | #define GST_IS_ALSA_SINK2_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_ALSA_SINK2))
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| 38 | #define GST_ALSA_SINK2_CAST(obj) ((_k_GstAlsaSink *) (obj))
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| 39 |
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| 40 | typedef struct _k_GstAlsaSink _k_GstAlsaSink;
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| 41 | typedef struct _k_GstAlsaSinkClass _k_GstAlsaSinkClass;
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| 42 |
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| 43 | #define GST_ALSA_SINK2_GET_LOCK(obj) (GST_ALSA_SINK2_CAST (obj)->alsa_lock)
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| 44 | #define GST_ALSA_SINK2_LOCK(obj) (g_mutex_lock (GST_ALSA_SINK2_GET_LOCK (obj)))
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| 45 | #define GST_ALSA_SINK2_UNLOCK(obj) (g_mutex_unlock (GST_ALSA_SINK2_GET_LOCK (obj)))
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| 46 |
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| 47 | /**
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| 48 | * _k_GstAlsaSink:
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| 49 | *
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| 50 | * Opaque data structure
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| 51 | */
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| 52 | struct _k_GstAlsaSink {
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| 53 | GstAudioSink sink;
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| 54 |
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| 55 | gchar *device;
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| 56 |
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| 57 | snd_pcm_t *handle;
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| 58 | snd_pcm_hw_params_t *hwparams;
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| 59 | snd_pcm_sw_params_t *swparams;
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| 60 |
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| 61 | snd_pcm_access_t access;
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| 62 | snd_pcm_format_t format;
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| 63 | guint rate;
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| 64 | guint channels;
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| 65 | gint bytes_per_sample;
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| 66 | gboolean iec958;
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| 67 | gboolean need_swap;
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| 68 |
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| 69 | guint buffer_time;
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| 70 | guint period_time;
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| 71 | snd_pcm_uframes_t buffer_size;
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| 72 | snd_pcm_uframes_t period_size;
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| 73 |
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| 74 | GstCaps *cached_caps;
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| 75 |
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| 76 | GMutex *alsa_lock;
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| 77 | };
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| 78 |
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| 79 | struct _k_GstAlsaSinkClass {
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| 80 | GstAudioSinkClass parent_class;
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| 81 | };
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| 82 |
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| 83 | GType gst_alsasink2_get_type(void);
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| 84 |
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| 85 | G_END_DECLS
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| 86 |
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| 87 | #endif /* ALSASINK2_H */
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