Man page - sdl_hint_video_dummy_save_frames(3)

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SDL_HINT_VIDEO_DUMMY_SAVE_FRAMES - A variable controlling whether the dummy video driver saves output frames.

Defined in SDL3/SDL_hints.h

#include "SDL3/SDL.h"

#define SDL_HINT_VIDEO_DUMMY_SAVE_FRAMES SDL_VIDEO_DUMMY_SAVE_FRAMES"

• "0": Video frames are not saved to disk. (default)

• "1": Video frames are saved to files in the format
" SDL_windowX -Y.bmp", where X is the window ID, and Y is
the frame number.

This hint can be set anytime.

This hint is available since SDL 3.2.0.