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oggz_seek.h

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00001 /*
00002    Copyright (C) 2003 Commonwealth Scientific and Industrial Research
00003    Organisation (CSIRO) Australia
00004 
00005    Redistribution and use in source and binary forms, with or without
00006    modification, are permitted provided that the following conditions
00007    are met:
00008 
00009    - Redistributions of source code must retain the above copyright
00010    notice, this list of conditions and the following disclaimer.
00011 
00012    - Redistributions in binary form must reproduce the above copyright
00013    notice, this list of conditions and the following disclaimer in the
00014    documentation and/or other materials provided with the distribution.
00015 
00016    - Neither the name of CSIRO Australia nor the names of its
00017    contributors may be used to endorse or promote products derived from
00018    this software without specific prior written permission.
00019 
00020    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
00021    ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
00022    LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
00023    PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE ORGANISATION OR
00024    CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
00025    EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
00026    PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
00027    PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
00028    LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
00029    NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
00030    SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00031 */
00032 
00033 #ifndef __OGGZ_SEEK_H__
00034 #define __OGGZ_SEEK_H__
00035 
00096 ogg_int64_t oggz_tell_units (OGGZ * oggz);
00097 
00106 ogg_int64_t oggz_seek_units (OGGZ * oggz, ogg_int64_t units, int whence);
00107 
00120 off_t oggz_tell (OGGZ * oggz);
00121 
00129 off_t oggz_seek (OGGZ * oggz, off_t offset, int whence);
00130 
00131 #ifdef _UNIMPLEMENTED
00132 long oggz_seek_packets (OGGZ * oggz, long serialno, long packets, int whence);
00133 #endif
00134 
00256 int oggz_get_granuleshift (OGGZ * oggz, long serialno);
00257 
00270 int oggz_set_granuleshift (OGGZ * oggz, long serialno, int granuleshift);
00271 
00284 int oggz_get_granulerate (OGGZ * oggz, long serialno,
00285                           ogg_int64_t * granulerate_n,
00286                           ogg_int64_t * granulerate_d);
00287 
00301 int oggz_set_granulerate (OGGZ * oggz, long serialno,
00302                           ogg_int64_t granule_rate_numerator,
00303                           ogg_int64_t granule_rate_denominator);
00304 
00322 typedef ogg_int64_t (*OggzMetric) (OGGZ * oggz, long serialno,
00323                                    ogg_int64_t granulepos, void * user_data);
00324 
00347 int oggz_set_metric (OGGZ * oggz, long serialno, OggzMetric metric,
00348                      void * user_data);
00349 
00350 #ifdef _UNIMPLEMENTED
00351 
00407 typedef int (*OggzOrder) (OGGZ * oggz, ogg_packet * op, void * target,
00408                          void * user_data);
00414 int oggz_set_order (OGGZ * oggz, long serialno, OggzOrder order,
00415                     void * user_data);
00416 
00417 long oggz_seek_byorder (OGGZ * oggz, void * target);
00418 
00419 #endif /* _UNIMPLEMENTED */
00420 
00434 int oggz_set_data_start (OGGZ * oggz, off_t offset);
00438 #endif /* __OGGZ_SEEK_H__ */

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