/*
* Copyright (c) 2013 Jan Vesely
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/** @addtogroup audio
* @brief HelenOS sound server
* @{
*/
/** @file
*/
#ifndef HOUND_CTX_H_
#define HOUND_CTX_H_
#include <adt/list.h>
#include <hound/protocol.h>
#include <fibril_synch.h>
#include "audio_source.h"
#include "audio_sink.h"
/** Application context structure */
typedef struct {
/** Hound's contexts link */
link_t link;
/** List of streams */
list_t streams;
/** Provided audio source abstraction */
audio_source_t *source;
/** Provided audio sink abstraction */
audio_sink_t *sink;
/** List access synchronization */
fibril_mutex_t guard;
} hound_ctx_t;
typedef struct hound_ctx_stream hound_ctx_stream_t;
hound_ctx_t *hound_record_ctx_get(const char *name);
hound_ctx_t *hound_playback_ctx_get(const char *name);
void hound_ctx_destroy(hound_ctx_t *context);
hound_context_id_t hound_ctx_get_id(hound_ctx_t *ctx);
bool hound_ctx_is_record(hound_ctx_t *ctx);
hound_ctx_stream_t *hound_ctx_create_stream(hound_ctx_t *ctx, int flags,
pcm_format_t format, size_t buffer_size);
void hound_ctx_destroy_stream(hound_ctx_stream_t *stream);
errno_t hound_ctx_stream_write(hound_ctx_stream_t *stream, void *buffer,
size_t size);
errno_t hound_ctx_stream_read(hound_ctx_stream_t *stream, void *buffer, size_t size);
size_t hound_ctx_stream_add_self(hound_ctx_stream_t *stream, void *data,
size_t size, const pcm_format_t *f);
void hound_ctx_stream_drain(hound_ctx_stream_t *stream);
#endif
/**
* @}
*/