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author | The Android Open Source Project <initial-contribution@android.com> | 2009-03-03 19:30:49 -0800 |
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committer | The Android Open Source Project <initial-contribution@android.com> | 2009-03-03 19:30:49 -0800 |
commit | 43db9a8267823d7a8c46d7b8aafb43c0ad41173c (patch) | |
tree | 525dab70d014ac0a9dc8eef81fbf57b2e595acb9 /Tremor/ivorbisfile.h | |
parent | 9260d09499b620470f639ec024af8ee6ac18bf64 (diff) | |
download | tremor-43db9a8267823d7a8c46d7b8aafb43c0ad41173c.tar.gz |
auto import from //depot/cupcake/@135843HEADandroid-sdk-tools_r2android-sdk-1.6_r2android-sdk-1.6_r1android-sdk-1.6-docs_r1android-sdk-1.5_r3android-sdk-1.5_r1android-sdk-1.5-preandroid-1.6_r2android-1.6_r1.5android-1.6_r1.4android-1.6_r1.3android-1.6_r1.2android-1.6_r1.1android-1.6_r1android-1.5r4android-1.5r3android-1.5r2android-1.5mastermaindonut-release2donut-releasedonutcupcake-releasecupcake
Diffstat (limited to 'Tremor/ivorbisfile.h')
-rw-r--r-- | Tremor/ivorbisfile.h | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/Tremor/ivorbisfile.h b/Tremor/ivorbisfile.h new file mode 100644 index 0000000..7ebc042 --- /dev/null +++ b/Tremor/ivorbisfile.h @@ -0,0 +1,122 @@ +/******************************************************************** + * * + * THIS FILE IS PART OF THE OggVorbis 'TREMOR' CODEC SOURCE CODE. * + * * + * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS * + * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE * + * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. * + * * + * THE OggVorbis 'TREMOR' SOURCE CODE IS (C) COPYRIGHT 1994-2003 * + * BY THE Xiph.Org FOUNDATION http://www.xiph.org/ * + * * + ******************************************************************** + + function: stdio-based convenience library for opening/seeking/decoding + + ********************************************************************/ + +#ifndef _OV_FILE_H_ +#define _OV_FILE_H_ + +#ifdef __cplusplus +extern "C" +{ +#endif /* __cplusplus */ + +#include <stdio.h> +#include "ivorbiscodec.h" + +/* The function prototypes for the callbacks are basically the same as for + * the stdio functions fread, fseek, fclose, ftell. + * The one difference is that the FILE * arguments have been replaced with + * a void * - this is to be used as a pointer to whatever internal data these + * functions might need. In the stdio case, it's just a FILE * cast to a void * + * + * If you use other functions, check the docs for these functions and return + * the right values. For seek_func(), you *MUST* return -1 if the stream is + * unseekable + */ +typedef struct { + size_t (*read_func) (void *ptr, size_t size, size_t nmemb, void *datasource); + int (*seek_func) (void *datasource, ogg_int64_t offset, int whence); + int (*close_func) (void *datasource); + long (*tell_func) (void *datasource); +} ov_callbacks; + +typedef struct OggVorbis_File { + void *datasource; /* Pointer to a FILE *, etc. */ + int seekable; + ogg_int64_t offset; + ogg_int64_t end; + ogg_sync_state *oy; + + /* If the FILE handle isn't seekable (eg, a pipe), only the current + stream appears */ + int links; + ogg_int64_t *offsets; + ogg_int64_t *dataoffsets; + ogg_uint32_t *serialnos; + ogg_int64_t *pcmlengths; + vorbis_info vi; + vorbis_comment vc; + + /* Decoding working state local storage */ + ogg_int64_t pcm_offset; + int ready_state; + ogg_uint32_t current_serialno; + int current_link; + + ogg_int64_t bittrack; + ogg_int64_t samptrack; + + ogg_stream_state *os; /* take physical pages, weld into a logical + stream of packets */ + vorbis_dsp_state *vd; /* central working state for the packet->PCM decoder */ + + ov_callbacks callbacks; + +} OggVorbis_File; + +extern int ov_clear(OggVorbis_File *vf); +extern int ov_open(FILE *f,OggVorbis_File *vf,char *initial,long ibytes); +extern int ov_open_callbacks(void *datasource, OggVorbis_File *vf, + char *initial, long ibytes, ov_callbacks callbacks); + +extern int ov_test(FILE *f,OggVorbis_File *vf,char *initial,long ibytes); +extern int ov_test_callbacks(void *datasource, OggVorbis_File *vf, + char *initial, long ibytes, ov_callbacks callbacks); +extern int ov_test_open(OggVorbis_File *vf); + +extern long ov_bitrate(OggVorbis_File *vf,int i); +extern long ov_bitrate_instant(OggVorbis_File *vf); +extern long ov_streams(OggVorbis_File *vf); +extern long ov_seekable(OggVorbis_File *vf); +extern long ov_serialnumber(OggVorbis_File *vf,int i); + +extern ogg_int64_t ov_raw_total(OggVorbis_File *vf,int i); +extern ogg_int64_t ov_pcm_total(OggVorbis_File *vf,int i); +extern ogg_int64_t ov_time_total(OggVorbis_File *vf,int i); + +extern int ov_raw_seek(OggVorbis_File *vf,ogg_int64_t pos); +extern int ov_pcm_seek(OggVorbis_File *vf,ogg_int64_t pos); +extern int ov_pcm_seek_page(OggVorbis_File *vf,ogg_int64_t pos); +extern int ov_time_seek(OggVorbis_File *vf,ogg_int64_t pos); +extern int ov_time_seek_page(OggVorbis_File *vf,ogg_int64_t pos); + +extern ogg_int64_t ov_raw_tell(OggVorbis_File *vf); +extern ogg_int64_t ov_pcm_tell(OggVorbis_File *vf); +extern ogg_int64_t ov_time_tell(OggVorbis_File *vf); + +extern vorbis_info *ov_info(OggVorbis_File *vf,int link); +extern vorbis_comment *ov_comment(OggVorbis_File *vf,int link); + +extern long ov_read(OggVorbis_File *vf,void *buffer,int length, + int *bitstream); + +#ifdef __cplusplus +} +#endif /* __cplusplus */ + +#endif + + |