DistortionCorrectionThreadData 316 libavfilter/vf_lensfun.c const DistortionCorrectionThreadData *thread_data = arg; DistortionCorrectionThreadData 450 libavfilter/vf_lensfun.c DistortionCorrectionThreadData distortion_correction_thread_data; DistortionCorrectionThreadData 479 libavfilter/vf_lensfun.c distortion_correction_thread_data = (DistortionCorrectionThreadData) {