F5OEO-tstools/ac3_fns.h

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/*
* Support for ATSC Digital Audio Compression Standard, Revision B
* (AC3) audio streams.
*
* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1
*
* 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 the MPEG TS, PS and ES tools.
*
* The Initial Developer of the Original Code is Amino Communications Ltd.
* Portions created by the Initial Developer are Copyright (C) 2008
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Kynesim Ltd, Cambridge UK
*
* ***** END LICENSE BLOCK *****
*/
#ifndef _ac3_fns
#define _ac3_fns
#include "audio_fns.h"
/*
* Read the next AC3 frame.
*
* Assumes that the input stream is synchronised - i.e., it does not
* try to cope if the next two bytes are not '0000 1011 0111 0111'
*
* - `file` is the file descriptor of the AC3 file to read from
* - `frame` is the AC3 frame that is read
*
* Returns 0 if all goes well, EOF if end-of-file is read, and 1 if something
* goes wrong.
*/
extern int read_next_ac3_frame(int file,
audio_frame_p *frame);
#endif // _ac3_fns
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