arm: Add VFP-accelerated version of qmf_32_subbands

               Before           After
               Mean    StdDev   Mean    StdDev  Change
This function   1323.0  98.0      746.2  60.6   +77.3%
Overall        15400.0 336.4    14147.5 288.4    +8.9%

Signed-off-by: Martin Storsjö <martin@martin.st>

1 files changed, 9 insertions, 1 deletions

diff --git a/libavcodec/arm/dcadsp_init_arm.c b/libavcodec/arm/dcadsp_init_arm.c
index 824b909aae..c25bb83c80 100644
--- a/libavcodec/arm/dcadsp_init_arm.c
+++ b/libavcodec/arm/dcadsp_init_arm.c
@@ -26,6 +26,12 @@
 
 void ff_dca_lfe_fir_vfp(float *out, const float *in, const float *coefs,
                         int decifactor, float scale);
+void ff_dca_qmf_32_subbands_vfp(float samples_in[32][8], int sb_act,
+                                SynthFilterContext *synth, FFTContext *imdct,
+                                float synth_buf_ptr[512],
+                                int *synth_buf_offset, float synth_buf2[32],
+                                const float window[512], float *samples_out,
+                                float raXin[32], float scale);
 void ff_dca_lfe_fir_neon(float *out, const float *in, const float *coefs,
                          int decifactor, float scale);
 
@@ -33,8 +39,10 @@ av_cold void ff_dcadsp_init_arm(DCADSPContext *s)
 {
     int cpu_flags = av_get_cpu_flags();
 
-    if (have_vfp(cpu_flags) && !have_vfpv3(cpu_flags))
+    if (have_vfp(cpu_flags) && !have_vfpv3(cpu_flags)) {
         s->lfe_fir = ff_dca_lfe_fir_vfp;
+        s->qmf_32_subbands = ff_dca_qmf_32_subbands_vfp;
+    }
     if (have_neon(cpu_flags))
         s->lfe_fir = ff_dca_lfe_fir_neon;
 }