[FFmpeg-devel] [PATCH v2 02/17] swscale/format: add ff_fmt_clear()

From: Niklas Haas <ffmpeg@haasn.xyz>
To: ffmpeg-devel@ffmpeg.org
Cc: Niklas Haas <git@haasn.dev>
Subject: [FFmpeg-devel] [PATCH v2 02/17] swscale/format: add ff_fmt_clear()
Date: Wed, 21 May 2025 14:43:48 +0200
Message-ID: <20250521124824.49657-3-ffmpeg@haasn.xyz> (raw)
In-Reply-To: <20250521124824.49657-1-ffmpeg@haasn.xyz>

From: Niklas Haas <git@haasn.dev>

Reset an SwsFormat to its fully unset/invalid state.
---
 libswscale/format.h | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/libswscale/format.h b/libswscale/format.h
index 3b6d745159..be92038f4f 100644
--- a/libswscale/format.h
+++ b/libswscale/format.h
@@ -85,6 +85,20 @@ typedef struct SwsFormat {
     SwsColor color;
 } SwsFormat;
 
+static inline void ff_fmt_clear(SwsFormat *fmt)
+{
+    *fmt = (SwsFormat) {
+        .format     = AV_PIX_FMT_NONE,
+        .range      = AVCOL_RANGE_UNSPECIFIED,
+        .csp        = AVCOL_SPC_UNSPECIFIED,
+        .loc        = AVCHROMA_LOC_UNSPECIFIED,
+        .color = {
+            .prim = AVCOL_PRI_UNSPECIFIED,
+            .trc  = AVCOL_TRC_UNSPECIFIED,
+        },
+    };
+}
+
 /**
  * This function also sanitizes and strips the input data, removing irrelevant
  * fields for certain formats.
-- 
2.49.0

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