avi.rb in aviglitch-0.2.2

- old
+ new

@@ -77,20 +77,26 @@
     # List of indices for 'movi' data.
     attr_accessor :indices
     # Object which represents RIFF structure.
     attr_accessor :riff
 
-    attr_accessor :path, :movi #:nodoc:
+    attr_accessor :path, :movi, :tmpdir #:nodoc:
     protected :path, :path=, :movi, :movi=
 
     ##
-    # Generates an instance with the necessary structure from the +path+.
+    # Generates an instance.
     def initialize path = nil
-      return if path.nil?
+      return unless @movi.nil? # don't reconfigure the path when cloning
+      self.path = path unless path.nil?
+    end
+
+    ##
+    # Set +path+ of the source file.
+    def path= path #:nodoc:
       @path = path
       File.open(path, 'rb') do |io|
-        @movi = Tempfile.new 'aviglitch', binmode: true
+        @movi = Tempfile.new 'aviglitch', @tmpdir, binmode: true
         @riff = []
         @indices = []
         @superidx = []
         @was_avi2 = false
         io.rewind
@@ -388,21 +394,22 @@
     def inspect #:nodoc:
       "#<#{self.class.name}:#{sprintf("0x%x", object_id)} @movi=#{@movi.inspect}>"
     end
 
     def initialize_copy avi #:nodoc:
-      avi.path = @path.dup
-      md = Marshal.dump @indices
-      avi.indices = Marshal.load md
-      md = Marshal.dump @riff
-      avi.riff = Marshal.load md
-      newmovi = Tempfile.new 'aviglitch', binmode: true
-      movipos = @movi.pos
-      @movi.rewind
-      newmovi.print @movi.read
-      @movi.pos = movipos
+      md = Marshal.dump avi.indices
+      @indices = Marshal.load md
+      md = Marshal.dump avi.riff
+      @riff = Marshal.load md
+      newmovi = Tempfile.new 'aviglitch-clone', @tmpdir, binmode: true
+      movipos = avi.movi.pos
+      avi.movi.rewind
+      while d = avi.movi.read(BUFFER_SIZE) do
+        newmovi.print d
+      end
+      avi.movi.pos = movipos
       newmovi.rewind
-      avi.movi = newmovi
+      @movi = newmovi
     end
 
     def print_chunk io, chunk  #:nodoc:
       offset = io.pos
       if chunk.is_list?
\ No newline at end of file