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-rw-r--r--libavutil/hwcontext.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/libavutil/hwcontext.c b/libavutil/hwcontext.c
index ac1e2c9d67..9ffc7189ce 100644
--- a/libavutil/hwcontext.c
+++ b/libavutil/hwcontext.c
@@ -209,6 +209,7 @@ AVBufferRef *av_hwframe_ctx_alloc(AVBufferRef *device_ref_in)
ctx->device_ref = device_ref;
ctx->device_ctx = device_ctx;
ctx->format = AV_PIX_FMT_NONE;
+ ctx->sw_format = AV_PIX_FMT_NONE;
ctx->internal->hw_type = hw_type;