mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-10-06 02:32:23 +00:00
f6aa2f29bc
Initial draft implementation for a OpenSL ES based plugin for Android that provides audio src and sink.
133 lines
4.4 KiB
C
133 lines
4.4 KiB
C
/*
|
|
* GStreamer
|
|
* Copyright (C) 2012 Fluendo S.A. <support@fluendo.com>
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a
|
|
* copy of this software and associated documentation files (the "Software"),
|
|
* to deal in the Software without restriction, including without limitation
|
|
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
|
|
* and/or sell copies of the Software, and to permit persons to whom the
|
|
* Software is furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included in
|
|
* all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
|
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
|
|
* DEALINGS IN THE SOFTWARE.
|
|
*
|
|
* Alternatively, the contents of this file may be used under the
|
|
* GNU Lesser General Public License Version 2.1 (the "LGPL"), in
|
|
* which case the following provisions apply instead of the ones
|
|
* mentioned above:
|
|
*
|
|
* 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.
|
|
*
|
|
* The development of this code was made possible due to the involvement of
|
|
* Pioneers of the Inevitable, the creators of the Songbird Music player
|
|
*
|
|
*/
|
|
|
|
#ifndef __OPENSLESRINGBUFFER_H__
|
|
#define __OPENSLESRINGBUFFER_H__
|
|
|
|
#include <gst/gst.h>
|
|
#include <gst/audio/gstringbuffer.h>
|
|
|
|
#include <SLES/OpenSLES.h>
|
|
#include <SLES/OpenSLES_Android.h>
|
|
|
|
G_BEGIN_DECLS
|
|
|
|
#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) (GstRingBuffer * rb, guint nbuffers,
|
|
SLDataFormat_PCM * format);
|
|
|
|
typedef gboolean (*StateFunc) (GstRingBuffer * rb);
|
|
|
|
typedef struct _GstOpenSLESRingBuffer GstOpenSLESRingBuffer;
|
|
typedef struct _GstOpenSLESRingBufferClass GstOpenSLESRingBufferClass;
|
|
|
|
struct _GstOpenSLESRingBuffer
|
|
{
|
|
GstRingBuffer object;
|
|
|
|
RingBufferMode mode;
|
|
|
|
/* engine interfaces */
|
|
SLObjectItf engineObject;
|
|
SLEngineItf engineEngine;
|
|
|
|
/* outputMixObject */
|
|
SLObjectItf outputMixObject;
|
|
|
|
/* player interfaces */
|
|
SLObjectItf playerObject;
|
|
SLPlayItf playerPlay;
|
|
SLVolumeItf playerVolume;
|
|
|
|
/* recorder interfaces */
|
|
SLObjectItf recorderObject;
|
|
SLRecordItf recorderRecord;
|
|
|
|
/* buffer queue */
|
|
SLAndroidSimpleBufferQueueItf bufferQueue;
|
|
gint last_readseg;
|
|
|
|
/* vmethods */
|
|
AcquireFunc acquire;
|
|
StateFunc start;
|
|
StateFunc pause;
|
|
StateFunc stop;
|
|
};
|
|
|
|
struct _GstOpenSLESRingBufferClass
|
|
{
|
|
GstRingBufferClass parent_class;
|
|
};
|
|
|
|
GType gst_opensles_ringbuffer_get_type (void);
|
|
GstRingBuffer *gst_opensles_ringbuffer_new (RingBufferMode mode);
|
|
|
|
G_END_DECLS
|
|
#endif /* __OPENSLESRINGBUFFER_H__ */
|