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ra288: convert VLAs to fixed size

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Originally committed as revision 23832 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Måns Rullgård 2010-06-27 19:30:31 +00:00
parent 0724a674fc
commit 0b37cccaab
1 changed files with 8 additions and 4 deletions
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12
libavcodec/ra288.c
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@ -27,6 +27,10 @@
#include "celp_math.h" #include "celp_math.h"
#include "celp_filters.h" #include "celp_filters.h"
#define MAX_BACKWARD_FILTER_ORDER 36
#define MAX_BACKWARD_FILTER_LEN 40
#define MAX_BACKWARD_FILTER_NONREC 35
typedef struct { typedef struct {
float sp_lpc[36]; ///< LPC coefficients for speech data (spec: A) float sp_lpc[36]; ///< LPC coefficients for speech data (spec: A)
float gain_lpc[10]; ///< LPC coefficients for gain (spec: GB) float gain_lpc[10]; ///< LPC coefficients for gain (spec: GB)
@ -120,9 +124,9 @@ static void do_hybrid_window(int order, int n, int non_rec, float *out,
float *hist, float *out2, const float *window) float *hist, float *out2, const float *window)
{ {
int i; int i;
float buffer1[order + 1]; float buffer1[MAX_BACKWARD_FILTER_ORDER + 1];
float buffer2[order + 1]; float buffer2[MAX_BACKWARD_FILTER_ORDER + 1];
float work[order + n + non_rec]; float work[MAX_BACKWARD_FILTER_ORDER + MAX_BACKWARD_FILTER_LEN + MAX_BACKWARD_FILTER_NONREC];
apply_window(work, window, hist, order + n + non_rec); apply_window(work, window, hist, order + n + non_rec);
@ -145,7 +149,7 @@ static void backward_filter(float *hist, float *rec, const float *window,
float *lpc, const float *tab, float *lpc, const float *tab,
int order, int n, int non_rec, int move_size) int order, int n, int non_rec, int move_size)
{ {
float temp[order+1]; float temp[MAX_BACKWARD_FILTER_ORDER+1];
do_hybrid_window(order, n, non_rec, temp, hist, rec, window); do_hybrid_window(order, n, non_rec, temp, hist, rec, window);