From: Niklas Haas <g...@haasn.dev>
Merely a convenience wrapper around sws_freeContext(). The name change is for
parity with the other sws_* functions.
Sponsored-by: Sovereign Tech Fund
Signed-off-by: Niklas Haas <g...@haasn.dev>
---
libswscale/swscale.h | 7 +++++++
libswscale/utils.c | 10 ++++++++++
2 files changed, 17 insertions(+)
diff --git a/libswscale/swscale.h b/libswscale/swscale.h
index b5dea09bef..f9fd340240 100644
--- a/libswscale/swscale.h
+++ b/libswscale/swscale.h
@@ -1,4 +1,5 @@
/*
+ * Copyright (C) 2024 Niklas Haas
* Copyright (C) 2001-2011 Michael Niedermayer <michae...@gmx.at>
*
* This file is part of FFmpeg.
@@ -78,6 +79,12 @@ const AVClass *sws_get_class(void);
*/
SwsContext *sws_alloc_context(void);
+/**
+ * Free the context and everything associated with it, and write NULL
+ * to the provided pointer.
+ */
+void sws_free_context(SwsContext **ctx);
+
/* values for the flags, the stuff on the command line is different */
#define SWS_FAST_BILINEAR 1
#define SWS_BILINEAR 2
diff --git a/libswscale/utils.c b/libswscale/utils.c
index 4b5106cb57..650785a989 100644
--- a/libswscale/utils.c
+++ b/libswscale/utils.c
@@ -2520,6 +2520,16 @@ void sws_freeContext(SwsContext *sws)
av_free(sws);
}
+void sws_free_context(SwsContext **pctx)
+{
+ SwsContext *ctx = *pctx;
+ if (!ctx)
+ return;
+
+ sws_freeContext(ctx);
+ *pctx = NULL;
+}
+
SwsContext *sws_getCachedContext(SwsContext *sws, int srcW,
int srcH, enum AVPixelFormat srcFormat,
int dstW, int dstH,
--
2.46.1
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