Merge remote-tracking branch 'qatar/master'

* qatar/master:
  lavc: Move vector_fmul_window to AVFloatDSPContext
  rtpdec_mpeg4: Check the remaining amount of data before reading

Conflicts:
	libavcodec/dsputil.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer
2013-01-16 12:38:41 +01:00
24 changed files with 263 additions and 228 deletions
+20
View File
@@ -55,12 +55,32 @@ static void vector_dmul_scalar_c(double *dst, const double *src, double mul,
dst[i] = src[i] * mul;
}
static void vector_fmul_window_c(float *dst, const float *src0,
const float *src1, const float *win, int len)
{
int i, j;
dst += len;
win += len;
src0 += len;
for (i = -len, j = len - 1; i < 0; i++, j--) {
float s0 = src0[i];
float s1 = src1[j];
float wi = win[i];
float wj = win[j];
dst[i] = s0 * wj - s1 * wi;
dst[j] = s0 * wi + s1 * wj;
}
}
void avpriv_float_dsp_init(AVFloatDSPContext *fdsp, int bit_exact)
{
fdsp->vector_fmul = vector_fmul_c;
fdsp->vector_fmac_scalar = vector_fmac_scalar_c;
fdsp->vector_fmul_scalar = vector_fmul_scalar_c;
fdsp->vector_dmul_scalar = vector_dmul_scalar_c;
fdsp->vector_fmul_window = vector_fmul_window_c;
#if ARCH_ARM
ff_float_dsp_init_arm(fdsp);