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Const in decode/open memory.

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"const" added in stb_vorbis_decode_memory and stb_vorbis_open_memory to
allow to read from const buffers.
This commit is contained in:
Alejandro Pereda 2014-08-28 06:53:13 +08:00
parent 6bb8eb3695
commit 93c02695e3
1 changed files with 7 additions and 7 deletions
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14
stb_vorbis.c
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@ -215,14 +215,14 @@ extern void stb_vorbis_flush_pushdata(stb_vorbis *f);
extern int stb_vorbis_decode_filename(const char *filename, int *channels, int *sample_rate, short **output); extern int stb_vorbis_decode_filename(const char *filename, int *channels, int *sample_rate, short **output);
#endif #endif
#if !defined(STB_VORBIS_NO_INTEGER_CONVERSION) #if !defined(STB_VORBIS_NO_INTEGER_CONVERSION)
extern int stb_vorbis_decode_memory(unsigned char *mem, int len, int *channels, int *sample_rate, short **output); extern int stb_vorbis_decode_memory(const unsigned char *mem, int len, int *channels, int *sample_rate, short **output);
#endif #endif
// decode an entire file and output the data interleaved into a malloc()ed // decode an entire file and output the data interleaved into a malloc()ed
// buffer stored in *output. The return value is the number of samples // buffer stored in *output. The return value is the number of samples
// decoded, or -1 if the file could not be opened or was not an ogg vorbis file. // decoded, or -1 if the file could not be opened or was not an ogg vorbis file.
// When you're done with it, just free() the pointer returned in *output. // When you're done with it, just free() the pointer returned in *output.
extern stb_vorbis * stb_vorbis_open_memory(unsigned char *data, int len, extern stb_vorbis * stb_vorbis_open_memory(const unsigned char *data, int len,
int *error, stb_vorbis_alloc *alloc_buffer); int *error, stb_vorbis_alloc *alloc_buffer);
// create an ogg vorbis decoder from an ogg vorbis stream in memory (note // 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 // this must be the entire stream!). on failure, returns NULL and sets *error
@ -731,9 +731,9 @@ struct stb_vorbis
int close_on_free; int close_on_free;
#endif #endif
uint8 *stream; const uint8 *stream;
uint8 *stream_start; const uint8 *stream_start;
uint8 *stream_end; const uint8 *stream_end;
uint32 stream_len; uint32 stream_len;
@ -5016,7 +5016,7 @@ stb_vorbis * stb_vorbis_open_filename(const char *filename, int *error, stb_vorb
} }
#endif // STB_VORBIS_NO_STDIO #endif // STB_VORBIS_NO_STDIO
stb_vorbis * stb_vorbis_open_memory(unsigned char *data, int len, int *error, stb_vorbis_alloc *alloc) stb_vorbis * stb_vorbis_open_memory(const unsigned char *data, int len, int *error, stb_vorbis_alloc *alloc)
{ {
stb_vorbis *f, p; stb_vorbis *f, p;
if (data == NULL) return NULL; if (data == NULL) return NULL;
@ -5301,7 +5301,7 @@ int stb_vorbis_decode_filename(const char *filename, int *channels, int *sample_
} }
#endif // NO_STDIO #endif // NO_STDIO
int stb_vorbis_decode_memory(uint8 *mem, int len, int *channels, int *sample_rate, short **output) int stb_vorbis_decode_memory(const uint8 *mem, int len, int *channels, int *sample_rate, short **output)
{ {
int data_len, offset, total, limit, error; int data_len, offset, total, limit, error;
short *data; short *data;