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117 lines
3.5 KiB
C
117 lines
3.5 KiB
C
/* GStreamer
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* Copyright (C) 2012 Fluendo S.A. <support@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., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef __OPENSLESRINGBUFFER_H__
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#define __OPENSLESRINGBUFFER_H__
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#include <gst/gst.h>
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#include <gst/audio/audio.h>
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#include <SLES/OpenSLES.h>
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#include <SLES/OpenSLES_Android.h>
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G_BEGIN_DECLS
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#define MAX_NUMBER_OUTPUT_DEVICES 16
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#define GST_TYPE_OPENSLES_RING_BUFFER \
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(gst_opensles_ringbuffer_get_type())
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#define GST_OPENSLES_RING_BUFFER(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_OPENSLES_RING_BUFFER,GstOpenSLESRingBuffer))
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#define GST_OPENSLES_RING_BUFFER_CAST(obj) \
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((GstOpenSLESRingBuffer*) obj)
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#define GST_OPENSLES_RING_BUFFER_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_OPENSLES_RING_BUFFER,GstOpenSLESRingBufferClass))
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#define GST_OPENSLES_RING_BUFFER_GET_CLASS(obj) \
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(G_TYPE_INSTANCE_GET_CLASS((obj),GST_TYPE_OPENSLES_RING_BUFFER,GstOpenSLESRingBufferClass))
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#define GST_IS_OPENSLES_RING_BUFFER(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_OPENSLES_RING_BUFFER))
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#define GST_IS_OPENSLES_RING_BUFFER_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_OPENSLES_RING_BUFFER))
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typedef enum
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{
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RB_MODE_NONE = 0,
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RB_MODE_SRC,
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RB_MODE_SINK_PCM,
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RB_MODE_SINK_COMPRESSED,
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RB_MODE_LAST
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} RingBufferMode;
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typedef gboolean (*AcquireFunc) (GstAudioRingBuffer * rb, GstAudioRingBufferSpec * spec);
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typedef gboolean (*StateFunc) (GstAudioRingBuffer * rb);
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typedef struct _GstOpenSLESRingBuffer GstOpenSLESRingBuffer;
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typedef struct _GstOpenSLESRingBufferClass GstOpenSLESRingBufferClass;
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struct _GstOpenSLESRingBuffer
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{
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GstAudioRingBuffer object;
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RingBufferMode mode;
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/* engine interfaces */
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SLObjectItf engineObject;
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SLEngineItf engineEngine;
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/* outputMixObject */
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SLObjectItf outputMixObject;
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/* player interfaces */
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SLObjectItf playerObject;
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SLPlayItf playerPlay;
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SLVolumeItf playerVolume;
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gfloat volume;
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gboolean mute;
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gint is_prerolled; /* ATOMIC */
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/* recorder interfaces */
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SLObjectItf recorderObject;
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SLRecordItf recorderRecord;
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/* buffer queue */
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SLAndroidSimpleBufferQueueItf bufferQueue;
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guint data_segtotal;
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guint8 * data;
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guint data_size;
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guint cursor;
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gint segqueued; /* ATOMIC */
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gboolean is_queue_callback_registered;
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/* vmethods */
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AcquireFunc acquire;
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StateFunc start;
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StateFunc pause;
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StateFunc stop;
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StateFunc change_volume;
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StateFunc change_mute;
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};
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struct _GstOpenSLESRingBufferClass
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{
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GstAudioRingBufferClass parent_class;
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};
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GType gst_opensles_ringbuffer_get_type (void);
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GstAudioRingBuffer *gst_opensles_ringbuffer_new (RingBufferMode mode);
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void gst_opensles_ringbuffer_set_volume (GstAudioRingBuffer * rb, gfloat volume);
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void gst_opensles_ringbuffer_set_mute (GstAudioRingBuffer * rb, gboolean mute);
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G_END_DECLS
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#endif /* __OPENSLESRINGBUFFER_H__ */
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