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| author | Christophe Gisquet <christophe.gisquet@gmail.com> | 2012-02-28 11:20:02 +0100 |
|---|---|---|
| committer | Ronald S. Bultje <rsbultje@gmail.com> | 2012-03-07 10:29:52 -0800 |
| commit | ba36f14e5d34bcca6ecf77ba1c7512d1b51a9740 (patch) | |
| tree | 5d137228702b734a7564353021a9a6543a3161fe /libavcodec/aacsbr.c | |
| parent | 7e1ce6a6acd83cf2d5b21df94d2134b1553635ef (diff) | |
| download | ffmpeg-ba36f14e5d34bcca6ecf77ba1c7512d1b51a9740.tar.gz | |
AAC SBR: group some writes.
Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
Diffstat (limited to 'libavcodec/aacsbr.c')
| -rw-r--r-- | libavcodec/aacsbr.c | 18 |
1 files changed, 6 insertions, 12 deletions
diff --git a/libavcodec/aacsbr.c b/libavcodec/aacsbr.c index f5ac30f17e..3e02346855 100644 --- a/libavcodec/aacsbr.c +++ b/libavcodec/aacsbr.c @@ -1229,8 +1229,7 @@ static void sbr_hf_inverse_filter(SBRDSPContext *dsp, (phi[1][1][0] * phi[1][1][0] + phi[1][1][1] * phi[1][1][1]) / 1.000001f; if (!dk) { - alpha1[k][0] = 0; - alpha1[k][1] = 0; + AV_ZERO64(alpha1[k]); } else { float temp_real, temp_im; temp_real = phi[0][0][0] * phi[1][1][0] - @@ -1245,8 +1244,7 @@ static void sbr_hf_inverse_filter(SBRDSPContext *dsp, } if (!phi[1][0][0]) { - alpha0[k][0] = 0; - alpha0[k][1] = 0; + AV_ZERO64(alpha0[k]); } else { float temp_real, temp_im; temp_real = phi[0][0][0] + alpha1[k][0] * phi[1][1][0] + @@ -1260,10 +1258,8 @@ static void sbr_hf_inverse_filter(SBRDSPContext *dsp, if (alpha1[k][0] * alpha1[k][0] + alpha1[k][1] * alpha1[k][1] >= 16.0f || alpha0[k][0] * alpha0[k][0] + alpha0[k][1] * alpha0[k][1] >= 16.0f) { - alpha1[k][0] = 0; - alpha1[k][1] = 0; - alpha0[k][0] = 0; - alpha0[k][1] = 0; + AV_ZERO64(alpha0[k]); + AV_ZERO64(alpha1[k]); } } } @@ -1299,14 +1295,12 @@ static int sbr_lf_gen(AACContext *ac, SpectralBandReplication *sbr, memset(X_low, 0, 32*sizeof(*X_low)); for (k = 0; k < sbr->kx[1]; k++) { for (i = t_HFGen; i < i_f + t_HFGen; i++) { - X_low[k][i][0] = W[1][i - t_HFGen][k][0]; - X_low[k][i][1] = W[1][i - t_HFGen][k][1]; + AV_COPY64(X_low[k][i], W[1][i - t_HFGen][k]); } } for (k = 0; k < sbr->kx[0]; k++) { for (i = 0; i < t_HFGen; i++) { - X_low[k][i][0] = W[0][i + i_f - t_HFGen][k][0]; - X_low[k][i][1] = W[0][i + i_f - t_HFGen][k][1]; + AV_COPY64(X_low[k][i], W[0][i + i_f - t_HFGen][k]); } } return 0; |