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Updated to latest version of stb libs

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raysan5
2016-01-20 18:48:52 +01:00
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65
src/stb_vorbis.h
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@ -1,35 +1,45 @@
// Ogg Vorbis audio decoder - v1.05 - public domain
// Ogg Vorbis audio decoder - v1.07 - public domain
// http://nothings.org/stb_vorbis/
//
// Written by Sean Barrett in 2007, last updated in 2014
// Sponsored by RAD Game Tools.
// Original version written by Sean Barrett in 2007.
//
// Placed in the public domain April 2007 by the author: no copyright
// is claimed, and you may use it for any purpose you like.
// Originally sponsored by RAD Game Tools. Seeking sponsored
// by Phillip Bennefall, Marc Andersen, Aaron Baker, Elias Software,
// Aras Pranckevicius, and Sean Barrett.
//
// LICENSE
//
// This software is in the public domain. Where that dedication is not
// recognized, you are granted a perpetual, irrevocable license to copy,
// distribute, and modify this file as you see fit.
//
// No warranty for any purpose is expressed or implied by the author (nor
// by RAD Game Tools). Report bugs and send enhancements to the author.
//
// Limitations:
//
// - seeking not supported except manually via PUSHDATA api
// - floor 0 not supported (used in old ogg vorbis files pre-2004)
// - lossless sample-truncation at beginning ignored
// - cannot concatenate multiple vorbis streams
// - sample positions are 32-bit, limiting seekable 192Khz
// files to around 6 hours (Ogg supports 64-bit)
//
// Feature contributors:
// Dougall Johnson (sample-exact seeking)
//
// Bugfix/warning contributors:
// Terje Mathisen Niklas Frykholm Andy Hill
// Casey Muratori John Bolton Gargaj
// Laurent Gomila Marc LeBlanc Ronny Chevalier
// Bernhard Wodo Evan Balster "alxprd"@github
// Bernhard Wodo Evan Balster "alxprd"@github
// Tom Beaumont Ingo Leitgeb Nicolas Guillemot
// (If you reported a bug but do not appear in this list, it is because
// someone else reported the bug before you. There were too many of you to
// list them all because I was lax about updating for a long time, sorry.)
// Phillip Bennefall Rohit
//
// Partial history:
// 1.07 - 2015/01/16 - fixes for crashes on invalid files; warning fixes; const
// 1.06 - 2015/08/31 - full, correct support for seeking API (Dougall Johnson)
// some crash fixes when out of memory or with corrupt files
// fix some inappropriately signed shifts
// 1.05 - 2015/04/19 - don't define __forceinline if it's redundant
// 1.04 - 2014/08/27 - fix missing const-correct case in API
// 1.03 - 2014/08/07 - warning fixes
@ -37,8 +47,6 @@
// 1.01 - 2014/06/18 - fix stb_vorbis_get_samples_float (interleaved was correct)
// 1.0 - 2014/05/26 - fix memory leaks; fix warnings; fix bugs in >2-channel;
// (API change) report sample rate for decode-full-file funcs
// 0.99996 - - bracket #include <malloc.h> for macintosh compilation
// 0.99995 - - avoid alias-optimization issue in float-to-int conversion
//
// See end of file for full version history.
@ -157,10 +165,10 @@ extern unsigned int stb_vorbis_get_file_offset(stb_vorbis *f);
// specification does not bound the size of an individual frame.
extern stb_vorbis *stb_vorbis_open_pushdata(
unsigned char *datablock, int datablock_length_in_bytes,
const unsigned char * datablock, int datablock_length_in_bytes,
int *datablock_memory_consumed_in_bytes,
int *error,
stb_vorbis_alloc *alloc_buffer);
const stb_vorbis_alloc *alloc_buffer);
// create a vorbis decoder by passing in the initial data block containing
// the ogg&vorbis headers (you don't need to do parse them, just provide
// the first N bytes of the file--you're told if it's not enough, see below)
@ -171,7 +179,8 @@ extern stb_vorbis *stb_vorbis_open_pushdata(
// incomplete and you need to pass in a larger block from the start of the file
extern int stb_vorbis_decode_frame_pushdata(
stb_vorbis *f, unsigned char *datablock, int datablock_length_in_bytes,
stb_vorbis *f,
const unsigned char *datablock, int datablock_length_in_bytes,
int *channels, // place to write number of float * buffers
float ***output, // place to write float ** array of float * buffers
int *samples // place to write number of output samples
@ -235,18 +244,18 @@ extern int stb_vorbis_decode_memory(const unsigned char *mem, int len, int *chan
// When you're done with it, just free() the pointer returned in *output.
extern stb_vorbis * stb_vorbis_open_memory(const unsigned char *data, int len,
int *error, stb_vorbis_alloc *alloc_buffer);
int *error, const stb_vorbis_alloc *alloc_buffer);
// create an ogg vorbis decoder from an ogg vorbis stream in memory (note
// this must be the entire stream!). on failure, returns NULL and sets *error
#ifndef STB_VORBIS_NO_STDIO
extern stb_vorbis * stb_vorbis_open_filename(const char *filename,
int *error, stb_vorbis_alloc *alloc_buffer);
int *error, const stb_vorbis_alloc *alloc_buffer);
// create an ogg vorbis decoder from a filename via fopen(). on failure,
// returns NULL and sets *error (possibly to VORBIS_file_open_failure).
extern stb_vorbis * stb_vorbis_open_file(FILE *f, int close_handle_on_close,
int *error, stb_vorbis_alloc *alloc_buffer);
int *error, const stb_vorbis_alloc *alloc_buffer);
// create an ogg vorbis decoder from an open FILE *, looking for a stream at
// the _current_ seek point (ftell). on failure, returns NULL and sets *error.
// note that stb_vorbis must "own" this stream; if you seek it in between
@ -256,7 +265,7 @@ extern stb_vorbis * stb_vorbis_open_file(FILE *f, int close_handle_on_close,
// function, stb_vorbis_open_file_section(), to limit it.
extern stb_vorbis * stb_vorbis_open_file_section(FILE *f, int close_handle_on_close,
int *error, stb_vorbis_alloc *alloc_buffer, unsigned int len);
int *error, const stb_vorbis_alloc *alloc_buffer, unsigned int len);
// create an ogg vorbis decoder from an open FILE *, looking for a stream at
// the _current_ seek point (ftell); the stream will be of length 'len' bytes.
// on failure, returns NULL and sets *error. note that stb_vorbis must "own"
@ -266,7 +275,6 @@ extern stb_vorbis * stb_vorbis_open_file_section(FILE *f, int close_handle_on_cl
extern int stb_vorbis_seek_frame(stb_vorbis *f, unsigned int sample_number);
extern int stb_vorbis_seek(stb_vorbis *f, unsigned int sample_number);
// NOT WORKING YET
// these functions seek in the Vorbis file to (approximately) 'sample_number'.
// after calling seek_frame(), the next call to get_frame_*() will include
// the specified sample. after calling stb_vorbis_seek(), the next call to
@ -275,8 +283,7 @@ extern int stb_vorbis_seek(stb_vorbis *f, unsigned int sample_number);
// you can also use seek_frame().
extern void stb_vorbis_seek_start(stb_vorbis *f);
// this function is equivalent to stb_vorbis_seek(f,0), but it
// actually works
// this function is equivalent to stb_vorbis_seek(f,0)
extern unsigned int stb_vorbis_stream_length_in_samples(stb_vorbis *f);
extern float stb_vorbis_stream_length_in_seconds(stb_vorbis *f);
@ -296,15 +303,17 @@ extern int stb_vorbis_get_frame_float(stb_vorbis *f, int *channels, float ***out
extern int stb_vorbis_get_frame_short_interleaved(stb_vorbis *f, int num_c, short *buffer, int num_shorts);
extern int stb_vorbis_get_frame_short (stb_vorbis *f, int num_c, short **buffer, int num_samples);
#endif
// decode the next frame and return the number of samples per channel. the
// data is coerced to the number of channels you request according to the
// decode the next frame and return the number of *samples* per channel.
// Note that for interleaved data, you pass in the number of shorts (the
// size of your array), but the return value is the number of samples per
// channel, not the total number of samples.
//
// The data is coerced to the number of channels you request according to the
// channel coercion rules (see below). You must pass in the size of your
// buffer(s) so that stb_vorbis will not overwrite the end of the buffer.
// The maximum buffer size needed can be gotten from get_info(); however,
// the Vorbis I specification implies an absolute maximum of 4096 samples
// per channel. Note that for interleaved data, you pass in the number of
// shorts (the size of your array), but the return value is the number of
// samples per channel, not the total number of samples.
// per channel.
// Channel coercion rules:
// Let M be the number of channels requested, and N the number of channels present,
@ -371,7 +380,7 @@ enum STBVorbisError
VORBIS_invalid_first_page,
VORBIS_bad_packet_type,
VORBIS_cant_find_last_page,
VORBIS_seek_failed,
VORBIS_seek_failed
};