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朱易理工

新虫 (初入文坛)

[求助] piotr的工具箱里的video文件夹里的 seqIo 这个函数怎么用啊???我想将avi转换成seq

如题
这个 怎么弄?

function out = seqIo( fName, action, varargin )

switch lower(action)
  case {'reader','r'}, out = reader( fName, varargin{:} );
  case {'writer','w'}, out = writer( fName, varargin{:} );
  case 'getinfo', out = getInfo( fName );
  case 'crop', crop( fName, varargin{:} ); out=1;
  case 'toimgs', out = toImgs( fName, varargin{:} );
  case 'frimgs', frImgs( fName, varargin{:} ); out=1;
  case 'convert', convert( fName, varargin{:} ); out=1;
  case 'newheader', newHeader( fName, varargin{:} ); out=1;
  case {'readerdual','rdual'}, out=readerDual(fName,varargin{:});
  otherwise, error('seqIo unknown action: ''%s''',action);
end
end
***********************************************************************

function frImgs( fName, info, varargin )
% Create seq file from an array or directory of images or from an AVI file.
%
% For info, if converting from array, only codec (e.g., 'jpg') and fps must
% be specified while width and height and determined automatically. If
% converting from AVI, fps is also determined automatically.
%
% USAGE
%  seqIo( fName, 'frImgs', info, varargin )
%
% INPUTS
%  fName      - seq file name
%  info       - defines codec, etc, see seqIo>writer
%  varargin   - additional params (struct or name/value pairs)
%   .aviName    - [] if specified create seq from avi file
%   .Is         - [] if specified create seq from image array
%   .sDir       - [] source directory
%   .skip       - [1] skip between frames
%   .name       - ['I'] base name of images
%   .nDigits    - [5] number of digits for filename index
%   .f0         - [0] first frame to read
%   .f1         - [10^6] last frame to read
%
% OUTPUTS
%
% EXAMPLE
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朱易理工

新虫 (初入文坛)

seqIo>writer


  Create interface sw for writing seq files.

  Create interface sw to seq file with the following commands:
   sw.close();              % Close seq file (sw is useless after).
   sw.addframe(I,[ts]);     % Writes video frame (and timestamp)
   sw.addframeb(bytes);     % Writes video frame with no encoding.
   info = sw.getinfo();     % Return struct with info about video.

  The following params must be specified in struct 'info' upon opening:
   width          - frame width
   height         - frame height
   fps            - frames per second
   quality        - [80] compression quality (0 to 100)
   codec          - string representing codec, options include:
    'monoraw'/'imageFormat100'      - black/white uncompressed
    'raw'/'imageFormat200'          - color (BGR) uncompressed
    'monojpg'/'imageFormat102'      - black/white jpg compressed
    'jpg'/'imageFormat201'          - color jpg compressed
    'monopng'/'imageFormat001'      - black/white png compressed
    'png'/'imageFormat002'          - color png compressed

  USAGE
   sw = seqIo( fName, 'writer', info )

  INPUTS
   fName  - seq file name
   info   - see above

  OUTPUTS
   sw     - interface for writing seq file
2楼2015-01-20 20:29:05
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朱易理工

新虫 (初入文坛)

kabaisun: 屏蔽内容 2015-01-22 15:52:22
本帖内容被屏蔽

3楼2015-01-22 15:02:31
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