tests/checkasm: Add sbcdsp tests

Only sbc_analyze_4 and sbc_analyze_8 for now.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>

tests/checkasm/Makefile

@@ -48,6 +48,7 @@ AVCODECOBJS-$(CONFIG_HEVC_DECODER)      += hevc_add_res.o hevc_deblock.o hevc_de
 AVCODECOBJS-$(CONFIG_PNG_DECODER)       += png.o
 AVCODECOBJS-$(CONFIG_RV34DSP)           += rv34dsp.o
 AVCODECOBJS-$(CONFIG_RV40_DECODER)      += rv40dsp.o
+AVCODECOBJS-$(CONFIG_SBC_ENCODER)       += sbcdsp.o
 AVCODECOBJS-$(CONFIG_SVQ1_ENCODER)      += svq1enc.o
 AVCODECOBJS-$(CONFIG_TAK_DECODER)       += takdsp.o
 AVCODECOBJS-$(CONFIG_UTVIDEO_DECODER)   += utvideodsp.o

tests/checkasm/checkasm.c

@@ -249,6 +249,9 @@ static const struct {
     #if CONFIG_RV40_DECODER
         { "rv40dsp", checkasm_check_rv40dsp },
     #endif
+    #if CONFIG_SBC_ENCODER
+        { "sbcdsp", checkasm_check_sbcdsp },
+    #endif
     #if CONFIG_SVQ1_ENCODER
         { "svq1enc", checkasm_check_svq1enc },
     #endif

tests/checkasm/checkasm.h

@@ -135,6 +135,7 @@ void checkasm_check_pixblockdsp(void);
 void checkasm_check_pixelutils(void);
 void checkasm_check_png(void);
 void checkasm_check_qpeldsp(void);
+void checkasm_check_sbcdsp(void);
 void checkasm_check_sbrdsp(void);
 void checkasm_check_rv34dsp(void);
 void checkasm_check_rv40dsp(void);

tests/checkasm/sbcdsp.c

@@ -0,0 +1,79 @@
+/*
+ * 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 <stddef.h>
+#include <stdint.h>
+
+#include "checkasm.h"
+#include "libavcodec/sbcdsp.h"
+#include "libavcodec/sbcdsp_data.h"
+#include "libavutil/macros.h"
+#include "libavutil/mem_internal.h"
+
+enum {
+    SBC_MAX_SUBBANDS = 8,
+};
+
+#define randomize_buffer(buf)                        \
+do {                                                 \
+    for (size_t k = 0; k < FF_ARRAY_ELEMS(buf); ++k) \
+        buf[k] = rnd();                              \
+} while (0)
+
+static void check_sbc_analyze(SBCDSPContext *sbcdsp)
+{
+    DECLARE_ALIGNED(SBC_ALIGN, int16_t, in)[10 * SBC_MAX_SUBBANDS];
+    DECLARE_ALIGNED(SBC_ALIGN, int32_t, out_ref)[SBC_MAX_SUBBANDS];
+    DECLARE_ALIGNED(SBC_ALIGN, int32_t, out_new)[SBC_MAX_SUBBANDS];
+
+    declare_func_emms(AV_CPU_FLAG_MMX, void, const int16_t *in, int32_t *out, const int16_t *consts);
+
+    for (int i = 0; i < 2; ++i) {
+        if (check_func(i ? sbcdsp->sbc_analyze_8 : sbcdsp->sbc_analyze_4, "sbc_analyze_%u", i ? 8 : 4)) {
+            randomize_buffer(in);
+            randomize_buffer(out_ref);
+            memcpy(out_new, out_ref, sizeof(out_new));
+
+            // the input is always 16-byte aligned for sbc_analyze_8
+            // for sbc_analyze_4 it can be 0 or 8 mod 16.
+            const int16_t *const inp = i || rnd() & 1 ? in : in + 4;
+            // Use the proper const tables as random ones can cause overflow
+            #define CONST(SIZE, ODDEVEN) sbcdsp_analysis_consts_fixed ## SIZE ## _simd_ ## ODDEVEN
+            const int16_t *const consts = rnd() & 1 ? (i ? CONST(8, odd)  : CONST(4, odd))
+                                                    : (i ? CONST(8, even) : CONST(4, even));
+
+            call_ref(inp, out_ref, consts);
+            call_new(inp, out_new, consts);
+
+            if (memcmp(out_ref, out_new, sizeof(out_new)))
+                fail();
+
+            bench_new(inp, out_new, consts);
+        }
+    }
+    report("sbc_analyze");
+}
+
+void checkasm_check_sbcdsp(void)
+{
+    SBCDSPContext sbcdsp;
+
+    ff_sbcdsp_init(&sbcdsp);
+
+    check_sbc_analyze(&sbcdsp);
+}

tests/fate/checkasm.mak

@@ -53,6 +53,7 @@ FATE_CHECKASM = fate-checkasm-aacencdsp                                 \
                 fate-checkasm-sbrdsp                                    \
                 fate-checkasm-rv34dsp                                   \
                 fate-checkasm-rv40dsp                                   \
+                fate-checkasm-sbcdsp                                    \
                 fate-checkasm-scene_sad                                 \
                 fate-checkasm-svq1enc                                   \
                 fate-checkasm-synth_filter                              \