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-rw-r--r--src/libmad/decoder.h91
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diff --git a/src/libmad/decoder.h b/src/libmad/decoder.h
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+/*
+ * libmad - MPEG audio decoder library
+ * Copyright (C) 2000-2003 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: decoder.h,v 1.1 2003/08/14 03:57:13 shank Exp $
+ */
+
+# 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