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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
/*
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* GStreamer
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* Copyright (C) 2012 Fluendo S.A. <support@fluendo.com>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*
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* Alternatively, the contents of this file may be used under the
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* GNU Lesser General Public License Version 2.1 (the "LGPL"), in
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* which case the following provisions apply instead of the ones
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* mentioned above:
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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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* The development of this code was made possible due to the involvement of
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* Pioneers of the Inevitable, the creators of the Songbird Music player
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*
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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/gstringbuffer.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 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) (GstRingBuffer * rb, guint nbuffers,
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SLDataFormat_PCM * format);
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typedef gboolean (*StateFunc) (GstRingBuffer * 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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GstRingBuffer 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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/* 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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gint last_readseg;
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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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};
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struct _GstOpenSLESRingBufferClass
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{
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GstRingBufferClass parent_class;
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};
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GType gst_opensles_ringbuffer_get_type (void);
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GstRingBuffer *gst_opensles_ringbuffer_new (RingBufferMode mode);
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G_END_DECLS
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#endif /* __OPENSLESRINGBUFFER_H__ */
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