1 /* libOggFLAC - Free Lossless Audio Codec + Ogg library
2 * Copyright (C) 2002,2003,2004 Josh Coalson
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
8 * - Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
11 * - Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
15 * - Neither the name of the Xiph.org Foundation nor the names of its
16 * contributors may be used to endorse or promote products derived from
17 * this software without specific prior written permission.
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
21 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
22 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
23 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
24 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
25 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
26 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
27 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
28 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
29 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32 #ifndef OggFLAC__PRIVATE__OGG_DECODER_ASPECT_H
33 #define OggFLAC__PRIVATE__OGG_DECODER_ASPECT_H
37 #include "FLAC/ordinals.h"
38 #include "FLAC/stream_decoder.h" /* for FLAC__StreamDecoderReadStatus */
40 typedef struct OggFLAC__OggDecoderAspect {
41 /* these are storage for values that can be set through the API */
42 FLAC__bool use_first_serial_number;
45 /* these are for internal state related to Ogg decoding */
46 ogg_stream_state stream_state;
47 ogg_sync_state sync_state;
48 unsigned version_major, version_minor;
49 FLAC__bool need_serial_number;
50 FLAC__bool end_of_stream;
51 FLAC__bool have_working_page; /* only if true will the following vars be valid */
52 ogg_page working_page;
53 FLAC__bool have_working_packet; /* only if true will the following vars be valid */
54 ogg_packet working_packet; /* as we work through the packet we will move working_packet.packet forward and working_packet.bytes down */
55 } OggFLAC__OggDecoderAspect;
57 void OggFLAC__ogg_decoder_aspect_set_serial_number(OggFLAC__OggDecoderAspect *aspect, long value);
58 void OggFLAC__ogg_decoder_aspect_set_defaults(OggFLAC__OggDecoderAspect *aspect);
59 FLAC__bool OggFLAC__ogg_decoder_aspect_init(OggFLAC__OggDecoderAspect *aspect);
60 void OggFLAC__ogg_decoder_aspect_finish(OggFLAC__OggDecoderAspect *aspect);
61 void OggFLAC__ogg_decoder_aspect_flush(OggFLAC__OggDecoderAspect *aspect);
62 void OggFLAC__ogg_decoder_aspect_reset(OggFLAC__OggDecoderAspect *aspect);
65 OggFLAC__OGG_DECODER_ASPECT_READ_STATUS_OK = 0,
66 OggFLAC__OGG_DECODER_ASPECT_READ_STATUS_END_OF_STREAM,
67 OggFLAC__OGG_DECODER_ASPECT_READ_STATUS_LOST_SYNC,
68 OggFLAC__OGG_DECODER_ASPECT_READ_STATUS_NOT_FLAC,
69 OggFLAC__OGG_DECODER_ASPECT_READ_STATUS_UNSUPPORTED_MAPPING_VERSION,
70 OggFLAC__OGG_DECODER_ASPECT_READ_STATUS_ABORT,
71 OggFLAC__OGG_DECODER_ASPECT_READ_STATUS_ERROR,
72 OggFLAC__OGG_DECODER_ASPECT_READ_STATUS_MEMORY_ALLOCATION_ERROR
73 } OggFLAC__OggDecoderAspectReadStatus;
75 typedef OggFLAC__OggDecoderAspectReadStatus (*OggFLAC__OggDecoderAspectReadCallbackProxy)(const void *decoder, FLAC__byte buffer[], unsigned *bytes, void *client_data);
77 OggFLAC__OggDecoderAspectReadStatus OggFLAC__ogg_decoder_aspect_read_callback_wrapper(OggFLAC__OggDecoderAspect *aspect, FLAC__byte buffer[], unsigned *bytes, OggFLAC__OggDecoderAspectReadCallbackProxy read_callback, void *decoder, void *client_data);