aacps: NEON optimisations

Signed-off-by: Mans Rullgard <mans@mansr.com>

1 files changed, 57 insertions, 0 deletions

diff --git a/libavcodec/arm/aacpsdsp_init_arm.c b/libavcodec/arm/aacpsdsp_init_arm.c
new file mode 100644
index 0000000000..6326376004
--- /dev/null
+++ b/libavcodec/arm/aacpsdsp_init_arm.c
@@ -0,0 +1,57 @@
+/*
+ * Copyright (c) 2012 Mans Rullgard
+ *
+ * This file is part of Libav.
+ *
+ * Libav is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * Libav is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Libav; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "config.h"
+
+#include "libavutil/arm/cpu.h"
+#include "libavutil/attributes.h"
+#include "libavcodec/aacpsdsp.h"
+
+void ff_ps_add_squares_neon(float *dst, const float (*src)[2], int n);
+void ff_ps_mul_pair_single_neon(float (*dst)[2], float (*src0)[2],
+                                float *src1, int n);
+void ff_ps_hybrid_analysis_neon(float (*out)[2], float (*in)[2],
+                                const float (*filter)[8][2],
+                                int stride, int n);
+void ff_ps_hybrid_analysis_ileave_neon(float (*out)[32][2], float L[2][38][64],
+                                       int i, int len);
+void ff_ps_hybrid_synthesis_deint_neon(float out[2][38][64], float (*in)[32][2],
+                                       int i, int len);
+void ff_ps_decorrelate_neon(float (*out)[2], float (*delay)[2],
+                            float (*ap_delay)[PS_QMF_TIME_SLOTS+PS_MAX_AP_DELAY][2],
+                            const float phi_fract[2], float (*Q_fract)[2],
+                            const float *transient_gain, float g_decay_slope,
+                            int len);
+void ff_ps_stereo_interpolate_neon(float (*l)[2], float (*r)[2],
+                                   float h[2][4], float h_step[2][4],
+                                   int len);
+
+av_cold void ff_psdsp_init_arm(PSDSPContext *s)
+{
+    int cpu_flags = av_get_cpu_flags();
+
+    if (have_neon(cpu_flags)) {
+        s->add_squares            = ff_ps_add_squares_neon;
+        s->mul_pair_single        = ff_ps_mul_pair_single_neon;
+        s->hybrid_synthesis_deint = ff_ps_hybrid_synthesis_deint_neon;
+        s->hybrid_analysis        = ff_ps_hybrid_analysis_neon;
+        s->stereo_interpolate[0]  = ff_ps_stereo_interpolate_neon;
+    }
+}