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Diffstat (limited to 'src/libmad/decoder.h')
-rw-r--r-- | src/libmad/decoder.h | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/src/libmad/decoder.h b/src/libmad/decoder.h new file mode 100644 index 000000000..6b1c8235f --- /dev/null +++ b/src/libmad/decoder.h @@ -0,0 +1,91 @@ +/* + * 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 |