www.gusucode.com > YUV视频阅读程序源码程序 > YUV视频阅读程序源码程序/YUV/read_floatframe.m
function X=read_floatframe(filename,dims,disp) %Reads and displays frame values stored as a stream of float numbers %X=read_floatframe(filename,dims,disp) % %Input: % filename - file that contains the frame % dims - dimensions of the frame [height width] % disp - [optional, default = 1] specifies whether to display the output % if (disp ~= 0) then display % if (disp == 0) then do not display % %Output: % X - array of numbers containing the frame elements % %Uses: % image_show.m (Quality Assessment Toolbox) % %Example: % X = read_floatframe('GOP000_TFrame_0_01_L_Y',[576 704]); if nargin<3 %display by default disp=1; end; fid=fopen(filename,'r'); if (fid < 0) error('File does not exist!'); end; X = fread(fid,[dims(2) dims(1)],'float32'); fclose(fid); X=X'; if (disp == 1) image_show(X,256,1,filename); %comment out this to disable displaying %imwrite(I,gray(256),[filename '.png'],'png'); %uncomment this line to save as png image end;