1 files changed, 28 insertions, 5 deletions

diff --git a/libavcodec/apedec.c b/libavcodec/apedec.c
index 1fd41cdd9d..a41ac265e7 100644
--- a/libavcodec/apedec.c
+++ b/libavcodec/apedec.c
@@ -25,6 +25,7 @@
 #include "libavutil/avassert.h"
 #include "libavutil/channel_layout.h"
 #include "libavutil/opt.h"
+#include "apedsp.h"
 #include "avcodec.h"
 #include "dsputil.h"
 #include "bytestream.h"
@@ -136,6 +137,7 @@ typedef struct APEContext {
     AVClass *class;                          ///< class for AVOptions
     AVCodecContext *avctx;
     DSPContext dsp;
+    APEDSPContext adsp;
     int channels;
     int samples;                             ///< samples left to decode in current frame
     int bps;
@@ -195,8 +197,6 @@ static void predictor_decode_stereo_3930(APEContext *ctx, int count);
 static void predictor_decode_mono_3950(APEContext *ctx, int count);
 static void predictor_decode_stereo_3950(APEContext *ctx, int count);
 
-// TODO: dsputilize
-
 static av_cold int ape_decode_close(AVCodecContext *avctx)
 {
     APEContext *s = avctx->priv_data;
@@ -212,6 +212,19 @@ static av_cold int ape_decode_close(AVCodecContext *avctx)
     return 0;
 }
 
+static int32_t scalarproduct_and_madd_int16_c(int16_t *v1, const int16_t *v2,
+                                              const int16_t *v3,
+                                              int order, int mul)
+{
+    int res = 0;
+
+    while (order--) {
+        res   += *v1 * *v2++;
+        *v1++ += mul * *v3++;
+    }
+    return res;
+}
+
 static av_cold int ape_decode_init(AVCodecContext *avctx)
 {
     APEContext *s = avctx->priv_data;
@@ -293,6 +306,15 @@ static av_cold int ape_decode_init(AVCodecContext *avctx)
         s->predictor_decode_stereo = predictor_decode_stereo_3950;
     }
 
+    s->adsp.scalarproduct_and_madd_int16 = scalarproduct_and_madd_int16_c;
+
+    if (ARCH_ARM)
+        ff_apedsp_init_arm(&s->adsp);
+    if (ARCH_PPC)
+        ff_apedsp_init_ppc(&s->adsp);
+    if (ARCH_X86)
+        ff_apedsp_init_x86(&s->adsp);
+
     ff_dsputil_init(&s->dsp, avctx);
     avctx->channel_layout = (avctx->channels==2) ? AV_CH_LAYOUT_STEREO : AV_CH_LAYOUT_MONO;
 
@@ -1275,9 +1297,10 @@ static void do_apply_filter(APEContext *ctx, int version, APEFilter *f,
 
     while (count--) {
         /* round fixedpoint scalar product */
-        res = ctx->dsp.scalarproduct_and_madd_int16(f->coeffs, f->delay - order,
-                                                    f->adaptcoeffs - order,
-                                                    order, APESIGN(*data));
+        res = ctx->adsp.scalarproduct_and_madd_int16(f->coeffs,
+                                                     f->delay - order,
+                                                     f->adaptcoeffs - order,
+                                                     order, APESIGN(*data));
         res = (res + (1 << (fracbits - 1))) >> fracbits;
         res += *data;
         *data++ = res;