checkasm: add tests for {lum,chr}ConvertRange

tests/checkasm/Makefile

@@ -63,7 +63,7 @@ AVFILTEROBJS-$(CONFIG_SOBEL_FILTER)      += vf_convolution.o
 CHECKASMOBJS-$(CONFIG_AVFILTER) += $(AVFILTEROBJS-yes)
 
 # swscale tests
-SWSCALEOBJS                             += sw_gbrp.o sw_rgb.o sw_scale.o
+SWSCALEOBJS                             += sw_gbrp.o sw_range_convert.o sw_rgb.o sw_scale.o
 
 CHECKASMOBJS-$(CONFIG_SWSCALE)  += $(SWSCALEOBJS)
 

tests/checkasm/checkasm.c

@@ -251,6 +251,7 @@ static const struct {
 #endif
 #if CONFIG_SWSCALE
     { "sw_gbrp", checkasm_check_sw_gbrp },
+    { "sw_range_convert", checkasm_check_sw_range_convert },
     { "sw_rgb", checkasm_check_sw_rgb },
     { "sw_scale", checkasm_check_sw_scale },
 #endif

tests/checkasm/checkasm.h

@@ -119,6 +119,7 @@ void checkasm_check_rv40dsp(void);
 void checkasm_check_svq1enc(void);
 void checkasm_check_synth_filter(void);
 void checkasm_check_sw_gbrp(void);
+void checkasm_check_sw_range_convert(void);
 void checkasm_check_sw_rgb(void);
 void checkasm_check_sw_scale(void);
 void checkasm_check_takdsp(void);

tests/checkasm/sw_range_convert.c

@@ -0,0 +1,134 @@
+/*
+ * 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/common.h"
+#include "libavutil/intreadwrite.h"
+#include "libavutil/mem.h"
+#include "libavutil/mem_internal.h"
+
+#include "libswscale/swscale.h"
+#include "libswscale/swscale_internal.h"
+
+#include "checkasm.h"
+
+static void check_lumConvertRange(int from)
+{
+    const char *func_str = from ? "lumRangeFromJpeg" : "lumRangeToJpeg";
+#define LARGEST_INPUT_SIZE 512
+#define INPUT_SIZES 6
+    static const int input_sizes[] = {8, 24, 128, 144, 256, 512};
+    struct SwsContext *ctx;
+
+    LOCAL_ALIGNED_32(int16_t, dst0, [LARGEST_INPUT_SIZE]);
+    LOCAL_ALIGNED_32(int16_t, dst1, [LARGEST_INPUT_SIZE]);
+
+    declare_func(void, int16_t *dst, int width);
+
+    ctx = sws_alloc_context();
+    if (sws_init_context(ctx, NULL, NULL) < 0)
+        fail();
+
+    ctx->srcFormat = from ? AV_PIX_FMT_YUVJ444P : AV_PIX_FMT_YUV444P;
+    ctx->dstFormat = from ? AV_PIX_FMT_YUV444P : AV_PIX_FMT_YUVJ444P;
+    ctx->srcRange = from;
+    ctx->dstRange = !from;
+
+    for (int dstWi = 0; dstWi < INPUT_SIZES; dstWi++) {
+        int width = input_sizes[dstWi];
+        for (int i = 0; i < width; i++) {
+            uint8_t r = rnd();
+            dst0[i] = (int16_t) r << 7;
+            dst1[i] = (int16_t) r << 7;
+        }
+        ff_sws_init_scale(ctx);
+        if (check_func(ctx->lumConvertRange, "%s_%d", func_str, width)) {
+            call_ref(dst0, width);
+            call_new(dst1, width);
+            if (memcmp(dst0, dst1, width * sizeof(int16_t)))
+                fail();
+            bench_new(dst1, width);
+        }
+    }
+
+    sws_freeContext(ctx);
+}
+#undef LARGEST_INPUT_SIZE
+#undef INPUT_SIZES
+
+static void check_chrConvertRange(int from)
+{
+    const char *func_str = from ? "chrRangeFromJpeg" : "chrRangeToJpeg";
+#define LARGEST_INPUT_SIZE 512
+#define INPUT_SIZES 6
+    static const int input_sizes[] = {8, 24, 128, 144, 256, 512};
+    struct SwsContext *ctx;
+
+    LOCAL_ALIGNED_32(int16_t, dstU0, [LARGEST_INPUT_SIZE]);
+    LOCAL_ALIGNED_32(int16_t, dstV0, [LARGEST_INPUT_SIZE]);
+    LOCAL_ALIGNED_32(int16_t, dstU1, [LARGEST_INPUT_SIZE]);
+    LOCAL_ALIGNED_32(int16_t, dstV1, [LARGEST_INPUT_SIZE]);
+
+    declare_func(void, int16_t *dstU, int16_t *dstV, int width);
+
+    ctx = sws_alloc_context();
+    if (sws_init_context(ctx, NULL, NULL) < 0)
+        fail();
+
+    ctx->srcFormat = from ? AV_PIX_FMT_YUVJ444P : AV_PIX_FMT_YUV444P;
+    ctx->dstFormat = from ? AV_PIX_FMT_YUV444P : AV_PIX_FMT_YUVJ444P;
+    ctx->srcRange = from;
+    ctx->dstRange = !from;
+
+    for (int dstWi = 0; dstWi < INPUT_SIZES; dstWi++) {
+        int width = input_sizes[dstWi];
+        for (int i = 0; i < width; i++) {
+            uint8_t r = rnd();
+            dstU0[i] = (int16_t) r << 7;
+            dstV0[i] = (int16_t) r << 7;
+            dstU1[i] = (int16_t) r << 7;
+            dstV1[i] = (int16_t) r << 7;
+        }
+        ff_sws_init_scale(ctx);
+        if (check_func(ctx->chrConvertRange, "%s_%d", func_str, width)) {
+            call_ref(dstU0, dstV0, width);
+            call_new(dstU1, dstV1, width);
+            if (memcmp(dstU0, dstU1, width * sizeof(int16_t)) ||
+                memcmp(dstV0, dstV1, width * sizeof(int16_t)))
+                fail();
+            bench_new(dstU1, dstV1, width);
+        }
+    }
+
+    sws_freeContext(ctx);
+}
+#undef LARGEST_INPUT_SIZE
+#undef INPUT_SIZES
+
+void checkasm_check_sw_range_convert(void)
+{
+    check_lumConvertRange(1);
+    report("lumRangeFromJpeg");
+    check_chrConvertRange(1);
+    report("chrRangeFromJpeg");
+    check_lumConvertRange(0);
+    report("lumRangeToJpeg");
+    check_chrConvertRange(0);
+    report("chrRangeToJpeg");
+}