Lines Matching refs:lf
237 float lf, rf, ce; in SDL_ConvertStereoTo51() local
247 lf = src[0]; in SDL_ConvertStereoTo51()
249 ce = (lf + rf) * 0.5f; in SDL_ConvertStereoTo51()
251 dst[0] = lf + (lf - ce); /* FL */ in SDL_ConvertStereoTo51()
255 dst[4] = lf; /* BL */ in SDL_ConvertStereoTo51()
271 float lf, rf, lb, rb, ce; in SDL_ConvertQuadTo51() local
282 lf = src[0]; in SDL_ConvertQuadTo51()
286 ce = (lf + rf) * 0.5f; in SDL_ConvertQuadTo51()
288 dst[0] = lf + (lf - ce); /* FL */ in SDL_ConvertQuadTo51()
309 float lf, rf; in SDL_ConvertStereoToQuad() local
318 lf = src[0]; in SDL_ConvertStereoToQuad()
320 dst[0] = lf; /* FL */ in SDL_ConvertStereoToQuad()
322 dst[2] = lf; /* BL */ in SDL_ConvertStereoToQuad()
337 float lf, rf, lb, rb, ls, rs; in SDL_Convert51To71() local
349 lf = src[0]; in SDL_Convert51To71()
353 ls = (lf + lb) * 0.5f; in SDL_Convert51To71()
356 lf += lf - ls; in SDL_Convert51To71()
367 dst[0] = lf; /* FL */ in SDL_Convert51To71()