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/divide_seq.m
function divide_seq(filename,dims,frstep) %Divides YUV sequence into segments %divide_seq(filename,dims,frstep) % %Input: % filename - YUV sequence file % dims - dimensions of the frame [width height] % frstep - number of frames in one segment % %Uses: % seq_frames.m % yuv_import.m % yuv_export.m % %Examples: % divide_seq('football.yuv',[352 288],8); [pathstr,name,ext] = fileparts(filename); numframes = seq_frames(filename,dims); part = 1; for i=1:frstep:numframes firstfr = i; lastfr = min(i + frstep - 1, numframes); frs = lastfr - firstfr + 1; [Y,U,V] = yuv_import(filename,dims,frs,i-1); partname = [pathstr '\' name '_GOP' num2str(part,'%02d') ext]; yuv_export(Y,U,V,partname,frs); part = part + 1; end;