1 #ifndef _DERINGBUFFER_H
2 #define _DERINGBUFFER_H
3 /*-------------------------------------------------------------------------
4 * drawElements Stream Library
5 * ---------------------------
7 * Copyright 2014 The Android Open Source Project
9 * Licensed under the Apache License, Version 2.0 (the "License");
10 * you may not use this file except in compliance with the License.
11 * You may obtain a copy of the License at
13 * http://www.apache.org/licenses/LICENSE-2.0
15 * Unless required by applicable law or agreed to in writing, software
16 * distributed under the License is distributed on an "AS IS" BASIS,
17 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
18 * See the License for the specific language governing permissions and
19 * limitations under the License.
23 * \brief Thread safe ringbuffer
24 *//*--------------------------------------------------------------------*/
26 #include "deInStream.h"
27 #include "deOutStream.h"
31 typedef struct deRingbuffer_s deRingbuffer;
33 deRingbuffer* deRingbuffer_create (deInt32 blockSize, deInt32 blockCount);
35 /* Changes state of ringbuffer to stopping which will make all subsequent writes
36 * to producer stream fail and notifies consumer with DE_STREAMRESULT_END_OF_STREAM
37 * when buffer is empty.
39 void deRingbuffer_stop (deRingbuffer* ringbuffer);
40 void deRingbuffer_destroy (deRingbuffer* ringbuffer);
42 void deProducerStream_init (deOutStream* stream, deRingbuffer* buffer);
43 void deConsumerStream_init (deInStream* stream, deRingbuffer* buffer);
47 #endif /* _DERINGBUFFER_H */