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--- src/video.cpp.orig
+++ src/video.cpp
@@ -134,6 +134,7 @@
// Setup the input frame using the caller's img_t
sws_input_frame->data[0] = img.data;
sws_input_frame->linesize[0] = img.row_pitch;
+ if (!img.data) { return 0; }
// Perform color conversion and scaling to the final size
auto status = sws_scale_frame(sws.get(), requires_padding ? sws_output_frame.get() : sw_frame.get(), sws_input_frame.get());
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