| /* 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., 51 Franklin St, Fifth Floor, |
| * Boston, MA 02110-1301, USA. |
| */ |
| |
| #ifndef __OPENSLESRINGBUFFER_H__ |
| #define __OPENSLESRINGBUFFER_H__ |
| |
| #include <gst/gst.h> |
| #include <gst/audio/audio.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__ */ |