devs/foxbox
1
0
Fork 0
forked from len0rd/rockbox
Code Pull requests Activity

Merge from branches/mdctexp - faster ifft+imdct in codec lib

Browse source 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@24712 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Dave Hooper 2010-02-17 00:49:53 +00:00
parent 62257ebc38
commit 42774d3128
31 changed files with 2000 additions and 320 deletions
Download patch file Download diff file Expand all files Collapse all files

9
apps/codecs/lib/codeclib.h
View file

@ -25,6 +25,8 @@
#include "config.h"
#include "codecs.h"
#include <sys/types.h>
#include "mdct.h"
#include "fft.h"
extern struct codec_api *ci;
extern size_t mem_ptr;
@ -62,8 +64,13 @@ int strcmp(const char *, const char *);
void qsort(void *base, size_t nmemb, size_t size, int(*compar)(const void *, const void *));
/*MDCT library functions*/
/* -1- Tremor mdct */
extern void mdct_backward(int n, int32_t *in, int32_t *out);
/* -2- ffmpeg fft-based mdct */
extern void ff_imdct_half(unsigned int nbits, int32_t *output, const int32_t *input);
extern void ff_imdct_calc(unsigned int nbits, int32_t *output, const int32_t *input);
/*ffmpeg fft (can be used without mdct)*/
extern void ff_fft_calc_c(int nbits, FFTComplex *z);
#if !defined(CPU_ARM) || ARM_ARCH < 5
/* From libavutil/common.h */