3f5f3524d4
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@24863 a1c6a512-1295-4272-9138-f99709370657
91 lines
3.1 KiB
C
91 lines
3.1 KiB
C
/*
|
|
* libmad - MPEG audio decoder library
|
|
* Copyright (C) 2000-2004 Underbit Technologies, Inc.
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*
|
|
* $Id$
|
|
*/
|
|
|
|
# ifndef LIBMAD_DECODER_H
|
|
# define LIBMAD_DECODER_H
|
|
|
|
# include "stream.h"
|
|
# include "frame.h"
|
|
# include "synth.h"
|
|
|
|
enum mad_decoder_mode {
|
|
MAD_DECODER_MODE_SYNC = 0,
|
|
MAD_DECODER_MODE_ASYNC
|
|
};
|
|
|
|
enum mad_flow {
|
|
MAD_FLOW_CONTINUE = 0x0000, /* continue normally */
|
|
MAD_FLOW_STOP = 0x0010, /* stop decoding normally */
|
|
MAD_FLOW_BREAK = 0x0011, /* stop decoding and signal an error */
|
|
MAD_FLOW_IGNORE = 0x0020 /* ignore the current frame */
|
|
};
|
|
|
|
struct mad_decoder {
|
|
enum mad_decoder_mode mode;
|
|
|
|
int options;
|
|
|
|
struct {
|
|
long pid;
|
|
int in;
|
|
int out;
|
|
} async;
|
|
|
|
struct {
|
|
struct mad_stream stream;
|
|
struct mad_frame frame;
|
|
struct mad_synth synth;
|
|
} *sync;
|
|
|
|
void *cb_data;
|
|
|
|
enum mad_flow (*input_func)(void *, struct mad_stream *);
|
|
enum mad_flow (*header_func)(void *, struct mad_header const *);
|
|
enum mad_flow (*filter_func)(void *,
|
|
struct mad_stream const *, struct mad_frame *);
|
|
enum mad_flow (*output_func)(void *,
|
|
struct mad_header const *, struct mad_pcm *);
|
|
enum mad_flow (*error_func)(void *, struct mad_stream *, struct mad_frame *);
|
|
enum mad_flow (*message_func)(void *, void *, unsigned int *);
|
|
};
|
|
|
|
void mad_decoder_init(struct mad_decoder *, void *,
|
|
enum mad_flow (*)(void *, struct mad_stream *),
|
|
enum mad_flow (*)(void *, struct mad_header const *),
|
|
enum mad_flow (*)(void *,
|
|
struct mad_stream const *,
|
|
struct mad_frame *),
|
|
enum mad_flow (*)(void *,
|
|
struct mad_header const *,
|
|
struct mad_pcm *),
|
|
enum mad_flow (*)(void *,
|
|
struct mad_stream *,
|
|
struct mad_frame *),
|
|
enum mad_flow (*)(void *, void *, unsigned int *));
|
|
int mad_decoder_finish(struct mad_decoder *);
|
|
|
|
# define mad_decoder_options(decoder, opts) \
|
|
((void) ((decoder)->options = (opts)))
|
|
|
|
int mad_decoder_run(struct mad_decoder *, enum mad_decoder_mode);
|
|
int mad_decoder_message(struct mad_decoder *, void *, unsigned int *);
|
|
|
|
# endif
|