118 lines
3.3 KiB
C
118 lines
3.3 KiB
C
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is pa_handlers.
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*
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* The Initial Developers of the Original Code are
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* Craig Hokanson <craig.hokanson@sv.cmu.edu>
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* Sion Chaudhuri <sion.chaudhuri@sv.cmu.edu>
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* Gio Perez <gio.perez@sv.cmu.edu>
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* Portions created by the Initial Developer are Copyright (C) 2013
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* the Initial Developers. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef __GUAC_VNC_PA_HANDLERS_H
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#define __GUAC_VNC_PA_HANDLERS_H
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/**
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* The size of each data element in the audio buffer.
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*/
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#define BUF_DATA_SIZE 1024
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/**
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* The length of the audio buffer
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*/
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#define BUF_LENGTH 100
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/**
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* The number of samples per second of PCM data sent to this stream.
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*/
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#define SAMPLE_RATE 44100
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/**
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* The number of audio channels per sample of PCM data. Legal values are
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* 1 or 2.
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*/
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#define CHANNELS 2
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/**
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* The number of bits per sample per channel for PCM data. Only 16 is supported.
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*/
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#define BPS 16
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/**
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* Minimum interval between two audio send instructions
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*/
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#define SEND_INTERVAL 500
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/**
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* Arguments for the read and send threads
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*/
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typedef struct audio_args {
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audio_stream* audio;
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buffer* audio_buffer;
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} audio_args;
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/**
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* Allocates a new audio buffer that can be shared between the
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* read and send threads
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*/
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buffer* guac_pa_buffer_alloc();
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/**
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* Frees up allocated resources for reading and sending audio data
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* read and send threads
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*/
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void guac_pa_buffer_free(buffer* audio_buffer);
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/**
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* Reads audio data from Pulse Audio and inserts it into the
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* audio buffer
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*
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* @param data arguments for the read audio thread
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*/
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void* guac_pa_read_audio(void* data);
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/**
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* Gets audio data from the audio buffer and sends it to
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* guacamole
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*
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* @param data arguments for the send audio thread
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*/
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void* guac_pa_send_audio(void* data);
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/**
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* Sleep for the given number of milliseconds.
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*
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* @param millis The number of milliseconds to sleep.
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*/
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void guac_pa_sleep(int millis);
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#endif
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