[FFmpeg-devel] [PATCH 1/2] checkasm: add checkasm_check_dctcoef

From: Tristan Matthews <tmatth@videolan.org>
To: ffmpeg-devel@ffmpeg.org
Cc: Tristan Matthews <tmatth@videolan.org>
Subject: [FFmpeg-devel] [PATCH 1/2] checkasm: add checkasm_check_dctcoef
Date: Fri, 13 Jun 2025 10:04:45 -0400
Message-ID: <20250613140600.2875509-1-tmatth@videolan.org> (raw)
In-Reply-To: <e09c3e1c-f42d-2afc-aca6-6f1cd4790a8@martin.st>

This is useful for tests that compare dctcoefs which will be either 2 bytes or
4 bytes, depending on bitdepth.
---
 tests/checkasm/checkasm.h | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/tests/checkasm/checkasm.h b/tests/checkasm/checkasm.h
index 146bfdec35..e829942d58 100644
--- a/tests/checkasm/checkasm.h
+++ b/tests/checkasm/checkasm.h
@@ -443,5 +443,16 @@ DECL_CHECKASM_CHECK_FUNC(int32_t);
 #define checkasm_check_pixel_padded_align(...) \
     checkasm_check_pixel2(__VA_ARGS__, 8)
 
+/* This assumes that there is a local variable named "bit_depth".
+ * For tests that don't have that and only operate on a single
+ * bitdepth, just call checkasm_check(uint8_t, ...) directly. */
+#define checkasm_check_dctcoef(buf1, stride1, buf2, stride2, ...) \
+    ((bit_depth > 8) ?                                        \
+     checkasm_check(int32_t, (const int32_t*)buf1, stride1,   \
+                             (const int32_t*)buf2, stride2,   \
+                             __VA_ARGS__) :                   \
+     checkasm_check(int16_t, (const int16_t*)buf1, stride1,   \
+                             (const int16_t*)buf2, stride2,   \
+                             __VA_ARGS__))
 
 #endif /* TESTS_CHECKASM_CHECKASM_H */
-- 
2.48.1

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