[FFmpeg-devel] [PATCH] checkasm/ac3dsp: add float_to_fixed24 test

[flow gg <hlefthleft@gmail.com>]

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From 02dd534bd602ba3ec79e51070934949a98f780e2 Mon Sep 17 00:00:00 2001
From: sunyuechi <sunyuechi@iscas.ac.cn>
Date: Wed, 22 Nov 2023 14:57:29 +0800
Subject: [PATCH] checkasm/ac3dsp: add float_to_fixed24 test

---
 tests/checkasm/Makefile   |  1 +
 tests/checkasm/ac3dsp.c   | 71 +++++++++++++++++++++++++++++++++++++++
 tests/checkasm/checkasm.c |  3 ++
 tests/checkasm/checkasm.h |  1 +
 4 files changed, 76 insertions(+)
 create mode 100644 tests/checkasm/ac3dsp.c

diff --git a/tests/checkasm/Makefile b/tests/checkasm/Makefile
index 8bc241d29b..53742c93ae 100644
--- a/tests/checkasm/Makefile
+++ b/tests/checkasm/Makefile
@@ -1,5 +1,6 @@
 # libavcodec tests
 # subsystems
+AVCODECOBJS-$(CONFIG_AC3DSP)            += ac3dsp.o
 AVCODECOBJS-$(CONFIG_AUDIODSP)          += audiodsp.o
 AVCODECOBJS-$(CONFIG_BLOCKDSP)          += blockdsp.o
 AVCODECOBJS-$(CONFIG_BSWAPDSP)          += bswapdsp.o
diff --git a/tests/checkasm/ac3dsp.c b/tests/checkasm/ac3dsp.c
new file mode 100644
index 0000000000..2ccfa4a9d1
--- /dev/null
+++ b/tests/checkasm/ac3dsp.c
@@ -0,0 +1,71 @@
+/*
+ * Copyright (c) 2023 Institue of Software Chinese Academy of Sciences (ISCAS).
+ *
+ * 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 <string.h>
+
+#include "libavutil/mem.h"
+#include "libavutil/mem_internal.h"
+
+#include "libavcodec/ac3dsp.h"
+
+#include "checkasm.h"
+
+#define randomize_float(buf, len)                               \
+    do {                                                        \
+        int i;                                                  \
+        for (i = 0; i < len; i++) {                             \
+            float f = (float)rnd() / (UINT_MAX >> 5) - 16.0f;   \
+            buf[i] = f;                                         \
+        }                                                       \
+    } while (0)
+
+static void check_float_to_fixed24(AC3DSPContext *c) {
+#define BUF_SIZE 1024
+    LOCAL_ALIGNED_32(int32_t, v1, [BUF_SIZE]);
+    LOCAL_ALIGNED_32(float, v2, [BUF_SIZE]);
+
+    declare_func(void, int32_t *, const float *, unsigned int);
+
+    randomize_float(v2, BUF_SIZE);
+
+    if (check_func(c->float_to_fixed24, "float_to_fixed24")) {
+        LOCAL_ALIGNED_32(int32_t, dst, [BUF_SIZE]);
+        LOCAL_ALIGNED_32(int32_t, dst2, [BUF_SIZE]);
+
+        call_ref(dst, v2, BUF_SIZE);
+        call_new(dst2, v2, BUF_SIZE);
+
+        if (memcmp(dst, dst2, sizeof(*dst) * 10) != 0)
+            fail();
+
+        bench_new(v1, v2, BUF_SIZE);
+    }
+
+
+    report("float_to_fixed24");
+}
+
+void checkasm_check_ac3dsp(void)
+{
+    AC3DSPContext c;
+    ff_ac3dsp_init(&c);
+
+    check_float_to_fixed24(&c);
+}
diff --git a/tests/checkasm/checkasm.c b/tests/checkasm/checkasm.c
index 708119e7c6..f37c7fad3a 100644
--- a/tests/checkasm/checkasm.c
+++ b/tests/checkasm/checkasm.c
@@ -78,6 +78,9 @@ static const struct {
         { "aacpsdsp", checkasm_check_aacpsdsp },
         { "sbrdsp",   checkasm_check_sbrdsp },
     #endif
+    #if CONFIG_AC3DSP
+        { "ac3dsp", checkasm_check_ac3dsp },
+    #endif
     #if CONFIG_ALAC_DECODER
         { "alacdsp", checkasm_check_alacdsp },
     #endif
diff --git a/tests/checkasm/checkasm.h b/tests/checkasm/checkasm.h
index cfea868ff1..a4238b1dfa 100644
--- a/tests/checkasm/checkasm.h
+++ b/tests/checkasm/checkasm.h
@@ -43,6 +43,7 @@
 #include "libavutil/timer.h"
 
 void checkasm_check_aacpsdsp(void);
+void checkasm_check_ac3dsp(void);
 void checkasm_check_afir(void);
 void checkasm_check_alacdsp(void);
 void checkasm_check_audiodsp(void);
-- 
2.43.0


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