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