checkasm: add AAC PS tests

This includes various fixes and improvements from James Almer.
Signed-off-by: James Almer <jamrial@gmail.com>

tests/checkasm/Makefile

@@ -13,6 +13,7 @@ AVCODECOBJS-$(CONFIG_VP8DSP)            += vp8dsp.o
 AVCODECOBJS-$(CONFIG_VIDEODSP)          += videodsp.o
 
 # decoders/encoders
+AVCODECOBJS-$(CONFIG_AAC_DECODER)       += aacpsdsp.o
 AVCODECOBJS-$(CONFIG_ALAC_DECODER)      += alacdsp.o
 AVCODECOBJS-$(CONFIG_DCA_DECODER)       += synth_filter.o
 AVCODECOBJS-$(CONFIG_JPEG2000_DECODER)  += jpeg2000dsp.o

tests/checkasm/aacpsdsp.c

+/*
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * FFmpeg 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with FFmpeg; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include "libavcodec/aacpsdsp.h"
+
+#include "checkasm.h"
+
+#define N 32
+#define STRIDE 128
+#define BUF_SIZE (N * STRIDE)
+
+#define randomize(buf, len) do {                                \
+    int i;                                                      \
+    for (i = 0; i < len; i++) {                                 \
+        const INTFLOAT f = (INTFLOAT)rnd() / UINT_MAX;          \
+        (buf)[i] = f;                                           \
+    }                                                           \
+} while (0)
+
+#define EPS 0.005
+
+static void test_add_squares(void)
+{
+    LOCAL_ALIGNED_16(INTFLOAT, dst0, [BUF_SIZE]);
+    LOCAL_ALIGNED_16(INTFLOAT, dst1, [BUF_SIZE]);
+    LOCAL_ALIGNED_16(INTFLOAT, src, [BUF_SIZE], [2]);
+
+    declare_func(void, INTFLOAT *dst,
+                 const INTFLOAT (*src)[2], int n);
+
+    randomize((INTFLOAT *)src, BUF_SIZE * 2);
+    randomize(dst0, BUF_SIZE);
+    memcpy(dst1, dst0, BUF_SIZE * sizeof(INTFLOAT));
+    call_ref(dst0, src, BUF_SIZE);
+    call_new(dst1, src, BUF_SIZE);
+    if (!float_near_abs_eps_array(dst0, dst1, EPS, BUF_SIZE))
+        fail();
+    bench_new(dst1, src, BUF_SIZE);
+}
+
+static void test_mul_pair_single(void)
+{
+    LOCAL_ALIGNED_16(INTFLOAT, dst0, [BUF_SIZE], [2]);
+    LOCAL_ALIGNED_16(INTFLOAT, dst1, [BUF_SIZE], [2]);
+    LOCAL_ALIGNED_16(INTFLOAT, src0, [BUF_SIZE], [2]);
+    LOCAL_ALIGNED_16(INTFLOAT, src1, [BUF_SIZE]);
+
+    declare_func(void, INTFLOAT (*dst)[2],
+                       INTFLOAT (*src0)[2], INTFLOAT *src1, int n);
+
+    randomize((INTFLOAT *)src0, BUF_SIZE * 2);
+    randomize(src1, BUF_SIZE);
+    call_ref(dst0, src0, src1, BUF_SIZE);
+    call_new(dst1, src0, src1, BUF_SIZE);
+    if (!float_near_abs_eps_array((float *)dst0, (float *)dst1, EPS, BUF_SIZE * 2))
+        fail();
+    bench_new(dst1, src0, src1, BUF_SIZE);
+}
+
+static void test_hybrid_analysis(void)
+{
+    LOCAL_ALIGNED_16(INTFLOAT, dst0, [BUF_SIZE], [2]);
+    LOCAL_ALIGNED_16(INTFLOAT, dst1, [BUF_SIZE], [2]);
+    LOCAL_ALIGNED_16(INTFLOAT, in, [12], [2]);
+    LOCAL_ALIGNED_16(INTFLOAT, filter, [N], [8][2]);
+
+    declare_func(void, INTFLOAT (*out)[2], INTFLOAT (*in)[2],
+                 const INTFLOAT (*filter)[8][2],
+                 int stride, int n);
+
+    randomize((INTFLOAT *)in, 12 * 2);
+    randomize((INTFLOAT *)filter, N * 8 * 2);
+
+    randomize((INTFLOAT *)dst0, BUF_SIZE * 2);
+    memcpy(dst1, dst0, BUF_SIZE * 2 * sizeof(INTFLOAT));
+
+    call_ref(dst0, in, filter, STRIDE, N);
+    call_new(dst1, in, filter, STRIDE, N);
+
+    if (!float_near_abs_eps_array((float *)dst0, (float *)dst1, EPS, BUF_SIZE * 2))
+        fail();
+    bench_new(dst1, in, filter, STRIDE, N);
+}
+
+static void test_stereo_interpolate(PSDSPContext *psdsp)
+{
+    int i;
+    LOCAL_ALIGNED_16(INTFLOAT, l,  [BUF_SIZE], [2]);
+    LOCAL_ALIGNED_16(INTFLOAT, r,  [BUF_SIZE], [2]);
+    LOCAL_ALIGNED_16(INTFLOAT, l0, [BUF_SIZE], [2]);
+    LOCAL_ALIGNED_16(INTFLOAT, r0, [BUF_SIZE], [2]);
+    LOCAL_ALIGNED_16(INTFLOAT, l1, [BUF_SIZE], [2]);
+    LOCAL_ALIGNED_16(INTFLOAT, r1, [BUF_SIZE], [2]);
+    LOCAL_ALIGNED_16(INTFLOAT, h, [2], [4]);
+    LOCAL_ALIGNED_16(INTFLOAT, h_step, [2], [4]);
+
+    declare_func(void, INTFLOAT (*l)[2], INTFLOAT (*r)[2],
+                       INTFLOAT h[2][4], INTFLOAT h_step[2][4], int len);
+
+    randomize((INTFLOAT *)l, BUF_SIZE * 2);
+    randomize((INTFLOAT *)r, BUF_SIZE * 2);
+
+    for (i = 0; i < 2; i++) {
+        if (check_func(psdsp->stereo_interpolate[i], "ps_stereo_interpolate%s", i ? "_ipdopd" : "")) {
+            memcpy(l0, l, BUF_SIZE * 2 * sizeof(INTFLOAT));
+            memcpy(l1, l, BUF_SIZE * 2 * sizeof(INTFLOAT));
+            memcpy(r0, r, BUF_SIZE * 2 * sizeof(INTFLOAT));
+            memcpy(r1, r, BUF_SIZE * 2 * sizeof(INTFLOAT));
+
+            randomize((INTFLOAT *)h, 2 * 4);
+            randomize((INTFLOAT *)h_step, 2 * 4);
+
+            call_ref(l0, r0, h, h_step, BUF_SIZE);
+            call_new(l1, r1, h, h_step, BUF_SIZE);
+            if (!float_near_abs_eps_array((float *)l0, (float *)l1, EPS, BUF_SIZE * 2) ||
+                !float_near_abs_eps_array((float *)r0, (float *)r1, EPS, BUF_SIZE * 2))
+                fail();
+
+            memcpy(l1, l, BUF_SIZE * 2 * sizeof(INTFLOAT));
+            memcpy(r1, r, BUF_SIZE * 2 * sizeof(INTFLOAT));
+            bench_new(l1, r1, h, h_step, BUF_SIZE);
+        }
+    }
+}
+
+void checkasm_check_aacpsdsp(void)
+{
+    PSDSPContext psdsp;
+
+    ff_psdsp_init(&psdsp);
+
+    if (check_func(psdsp.add_squares, "ps_add_squares"))
+        test_add_squares();
+    report("add_squares");
+
+    if (check_func(psdsp.mul_pair_single, "ps_mul_pair_single"))
+        test_mul_pair_single();
+    report("mul_pair_single");
+
+    if (check_func(psdsp.hybrid_analysis, "ps_hybrid_analysis"))
+        test_hybrid_analysis();
+    report("hybrid_analysis");
+
+    test_stereo_interpolate(&psdsp);
+    report("stereo_interpolate");
+}

tests/checkasm/checkasm.c

@@ -65,6 +65,9 @@ static const struct {
     void (*func)(void);
 } tests[] = {
 #if CONFIG_AVCODEC
+    #if CONFIG_AAC_DECODER
+        { "aacpsdsp", checkasm_check_aacpsdsp },
+    #endif
     #if CONFIG_ALAC_DECODER
         { "alacdsp", checkasm_check_alacdsp },
     #endif

tests/checkasm/checkasm.h

@@ -31,6 +31,7 @@
 #include "libavutil/lfg.h"
 #include "libavutil/timer.h"
 
+void checkasm_check_aacpsdsp(void);
 void checkasm_check_alacdsp(void);
 void checkasm_check_audiodsp(void);
 void checkasm_check_blend(void);

tests/fate/checkasm.mak

-FATE_CHECKASM = fate-checkasm-alacdsp                                   \
+FATE_CHECKASM = fate-checkasm-aacpsdsp                                  \
+                fate-checkasm-alacdsp                                   \
                 fate-checkasm-audiodsp                                  \
                 fate-checkasm-blockdsp                                  \
                 fate-checkasm-bswapdsp                                  \