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annotate src/libmad-0.15.1b/decoder.h @ 71:388bd4da45bf

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Opus build for Windows (MinGW)
author Chris Cannam
date Fri, 25 Jan 2019 13:49:03 +0000
parents c7265573341e
children
rev   line source
Chris@0 1 /*
Chris@0 2 * libmad - MPEG audio decoder library
Chris@0 3 * Copyright (C) 2000-2004 Underbit Technologies, Inc.
Chris@0 4 *
Chris@0 5 * This program is free software; you can redistribute it and/or modify
Chris@0 6 * it under the terms of the GNU General Public License as published by
Chris@0 7 * the Free Software Foundation; either version 2 of the License, or
Chris@0 8 * (at your option) any later version.
Chris@0 9 *
Chris@0 10 * This program is distributed in the hope that it will be useful,
Chris@0 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
Chris@0 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
Chris@0 13 * GNU General Public License for more details.
Chris@0 14 *
Chris@0 15 * You should have received a copy of the GNU General Public License
Chris@0 16 * along with this program; if not, write to the Free Software
Chris@0 17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Chris@0 18 *
Chris@0 19 * $Id: decoder.h,v 1.17 2004/01/23 09:41:32 rob Exp $
Chris@0 20 */
Chris@0 21
Chris@0 22 # ifndef LIBMAD_DECODER_H
Chris@0 23 # define LIBMAD_DECODER_H
Chris@0 24
Chris@0 25 # include "stream.h"
Chris@0 26 # include "frame.h"
Chris@0 27 # include "synth.h"
Chris@0 28
Chris@0 29 enum mad_decoder_mode {
Chris@0 30 MAD_DECODER_MODE_SYNC = 0,
Chris@0 31 MAD_DECODER_MODE_ASYNC
Chris@0 32 };
Chris@0 33
Chris@0 34 enum mad_flow {
Chris@0 35 MAD_FLOW_CONTINUE = 0x0000, /* continue normally */
Chris@0 36 MAD_FLOW_STOP = 0x0010, /* stop decoding normally */
Chris@0 37 MAD_FLOW_BREAK = 0x0011, /* stop decoding and signal an error */
Chris@0 38 MAD_FLOW_IGNORE = 0x0020 /* ignore the current frame */
Chris@0 39 };
Chris@0 40
Chris@0 41 struct mad_decoder {
Chris@0 42 enum mad_decoder_mode mode;
Chris@0 43
Chris@0 44 int options;
Chris@0 45
Chris@0 46 struct {
Chris@0 47 long pid;
Chris@0 48 int in;
Chris@0 49 int out;
Chris@0 50 } async;
Chris@0 51
Chris@0 52 struct {
Chris@0 53 struct mad_stream stream;
Chris@0 54 struct mad_frame frame;
Chris@0 55 struct mad_synth synth;
Chris@0 56 } *sync;
Chris@0 57
Chris@0 58 void *cb_data;
Chris@0 59
Chris@0 60 enum mad_flow (*input_func)(void *, struct mad_stream *);
Chris@0 61 enum mad_flow (*header_func)(void *, struct mad_header const *);
Chris@0 62 enum mad_flow (*filter_func)(void *,
Chris@0 63 struct mad_stream const *, struct mad_frame *);
Chris@0 64 enum mad_flow (*output_func)(void *,
Chris@0 65 struct mad_header const *, struct mad_pcm *);
Chris@0 66 enum mad_flow (*error_func)(void *, struct mad_stream *, struct mad_frame *);
Chris@0 67 enum mad_flow (*message_func)(void *, void *, unsigned int *);
Chris@0 68 };
Chris@0 69
Chris@0 70 void mad_decoder_init(struct mad_decoder *, void *,
Chris@0 71 enum mad_flow (*)(void *, struct mad_stream *),
Chris@0 72 enum mad_flow (*)(void *, struct mad_header const *),
Chris@0 73 enum mad_flow (*)(void *,
Chris@0 74 struct mad_stream const *,
Chris@0 75 struct mad_frame *),
Chris@0 76 enum mad_flow (*)(void *,
Chris@0 77 struct mad_header const *,
Chris@0 78 struct mad_pcm *),
Chris@0 79 enum mad_flow (*)(void *,
Chris@0 80 struct mad_stream *,
Chris@0 81 struct mad_frame *),
Chris@0 82 enum mad_flow (*)(void *, void *, unsigned int *));
Chris@0 83 int mad_decoder_finish(struct mad_decoder *);
Chris@0 84
Chris@0 85 # define mad_decoder_options(decoder, opts) \
Chris@0 86 ((void) ((decoder)->options = (opts)))
Chris@0 87
Chris@0 88 int mad_decoder_run(struct mad_decoder *, enum mad_decoder_mode);
Chris@0 89 int mad_decoder_message(struct mad_decoder *, void *, unsigned int *);
Chris@0 90
Chris@0 91 # endif