return 0;
}
-static void lpc_analyze_remodulate(int32_t *decoded, const int coeffs[32],
+static void lpc_analyze_remodulate(SUINT32 *decoded, const int coeffs[32],
int order, int qlevel, int len, int bps)
{
int i, j;
for (i = len - 1; i >= order; i--) {
int64_t p = 0;
for (j = 0; j < order; j++)
- p += coeffs[j] * (int64_t)decoded[i-order+j];
+ p += coeffs[j] * (int64_t)(int32_t)decoded[i-order+j];
decoded[i] -= p >> qlevel;
}
for (i = order; i < len; i++, decoded++) {
#define PLANAR 1
#include "flacdsp_template.c"
-// For debuging we use signed operations so overflows can be detected (by ubsan)
-// For production we use unsigned so there are no undefined operations
-#ifdef CHECKED
-#define SUINT int
-#else
-#define SUINT unsigned
-#endif
-
static void flac_lpc_16_c(int32_t *decoded, const int coeffs[32],
int pred_order, int qlevel, int len)
{
c = coeffs[j];
}
s0 += c*d;
- d = decoded[j] += s0 >> qlevel;
+ d = decoded[j] += (SUINT)(s0 >> qlevel);
s1 += c*d;
- decoded[j + 1] += s1 >> qlevel;
+ decoded[j + 1] += (SUINT)(s1 >> qlevel);
}
if (i < len) {
int sum = 0;
#define AVCODEC_FLACDSP_H
#include <stdint.h>
+#include "libavutil/internal.h"
#include "libavutil/samplefmt.h"
+// For debuging we use signed operations so overflows can be detected (by ubsan)
+// For production we use unsigned so there are no undefined operations
+#ifdef CHECKED
+#define SUINT int
+#define SUINT32 int32_t
+#else
+#define SUINT unsigned
+#define SUINT32 uint32_t
+#endif
+
typedef struct FLACDSPContext {
void (*decorrelate[4])(uint8_t **out, int32_t **in, int channels,
int len, int shift);