145 lines
3.8 KiB
C
145 lines
3.8 KiB
C
|
|
/* ***** BEGIN LICENSE BLOCK *****
|
|
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
|
|
*
|
|
* The contents of this file are subject to the Mozilla Public License Version
|
|
* 1.1 (the "License"); you may not use this file except in compliance with
|
|
* the License. You may obtain a copy of the License at
|
|
* http://www.mozilla.org/MPL/
|
|
*
|
|
* Software distributed under the License is distributed on an "AS IS" basis,
|
|
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
|
|
* for the specific language governing rights and limitations under the
|
|
* License.
|
|
*
|
|
* The Original Code is libguac-client-rdp.
|
|
*
|
|
* The Initial Developer of the Original Code is
|
|
* Michael Jumper.
|
|
* Portions created by the Initial Developer are Copyright (C) 2010
|
|
* the Initial Developer. All Rights Reserved.
|
|
*
|
|
* Contributor(s):
|
|
*
|
|
* Alternatively, the contents of this file may be used under the terms of
|
|
* either the GNU General Public License Version 2 or later (the "GPL"), or
|
|
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
|
|
* in which case the provisions of the GPL or the LGPL are applicable instead
|
|
* of those above. If you wish to allow use of your version of this file only
|
|
* under the terms of either the GPL or the LGPL, and not to allow others to
|
|
* use your version of this file under the terms of the MPL, indicate your
|
|
* decision by deleting the provisions above and replace them with the notice
|
|
* and other provisions required by the GPL or the LGPL. If you do not delete
|
|
* the provisions above, a recipient may use your version of this file under
|
|
* the terms of any one of the MPL, the GPL or the LGPL.
|
|
*
|
|
* ***** END LICENSE BLOCK ***** */
|
|
|
|
#ifndef __GUAC_WAV_ENCODER_H
|
|
#define __GUAC_WAV_ENCODER_H
|
|
|
|
#include "audio.h"
|
|
|
|
typedef struct wav_encoder_riff_header {
|
|
|
|
/**
|
|
* The RIFF chunk header, normally the string "RIFF".
|
|
*/
|
|
unsigned char chunk_id[4];
|
|
|
|
/**
|
|
* Size of the entire file, not including chunk_id or chunk_size.
|
|
*/
|
|
unsigned char chunk_size[4];
|
|
|
|
/**
|
|
* The format of this file, normally the string "WAVE".
|
|
*/
|
|
unsigned char chunk_format[4];
|
|
|
|
} wav_encoder_riff_header;
|
|
|
|
typedef struct wav_encoder_fmt_header {
|
|
|
|
/**
|
|
* ID of this subchunk. For the fmt subchunk, this should be "fmt ".
|
|
*/
|
|
unsigned char subchunk_id[4];
|
|
|
|
/**
|
|
* The size of the rest of this subchunk. For PCM, this will be 16.
|
|
*/
|
|
unsigned char subchunk_size[4];
|
|
|
|
/**
|
|
* Format of this subchunk. For PCM, this will be 1.
|
|
*/
|
|
unsigned char subchunk_format[2];
|
|
|
|
/**
|
|
* The number of channels in the PCM data.
|
|
*/
|
|
unsigned char subchunk_channels[2];
|
|
|
|
/**
|
|
* The sample rate of the PCM data.
|
|
*/
|
|
unsigned char subchunk_sample_rate[4];
|
|
|
|
/**
|
|
* The sample rate of the PCM data in bytes per second.
|
|
*/
|
|
unsigned char subchunk_byte_rate[4];
|
|
|
|
/**
|
|
* The number of bytes per sample.
|
|
*/
|
|
unsigned char subchunk_block_align[2];
|
|
|
|
/**
|
|
* The number of bits per sample.
|
|
*/
|
|
unsigned char subchunk_bps[2];
|
|
|
|
} wav_encoder_fmt_header;
|
|
|
|
typedef struct wav_encoder_state {
|
|
|
|
/**
|
|
* Arbitrary PCM data available for writing when the overall WAV is
|
|
* flushed.
|
|
*/
|
|
unsigned char* data_buffer;
|
|
|
|
/**
|
|
* The number of bytes currently present in the data buffer.
|
|
*/
|
|
int used;
|
|
|
|
/**
|
|
* The total number of bytes that can be written into the data buffer
|
|
* without requiring resizing.
|
|
*/
|
|
int length;
|
|
|
|
} wav_encoder_state;
|
|
|
|
typedef struct wav_encoder_data_header {
|
|
|
|
/**
|
|
* ID of this subchunk. For the data subchunk, this should be "data".
|
|
*/
|
|
unsigned char subchunk_id[4];
|
|
|
|
/**
|
|
* The number of bytes in the PCM data.
|
|
*/
|
|
unsigned char subchunk_size[4];
|
|
|
|
} wav_encoder_data_header;
|
|
|
|
extern audio_encoder* wav_encoder;
|
|
|
|
#endif
|
|
|