Method for processing material exchange format files
A technology of material exchange format and processing method, which is applied in the field of material exchange format file processing, and can solve problems such as hard-to-play content, difficult digital movie content, effective control, etc.
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[0037] In order to effectively control the content of the digital movie, the present invention reprocesses the content data contained in the MXF file of the digital movie after obtaining the digital movie that needs to be reviewed, so as to realize the content control of the reviewed movie. Here, the MXF is a digital package structure used to store movie data in digital movies.
[0038] see figure 1 The shown MXF file processing flow specifically includes the following steps:
[0039] Step 110 , judging whether the MXF file to be processed is an encrypted file, if yes, execute step 121 , otherwise execute step 111 .
[0040] Wherein, it can be judged whether the MXF file to be processed is an encrypted file by analyzing the key flag bit in the MXF file (the flag bit is set in the file header to indicate whether the MXF is an encrypted file).
[0041] Step 111, from the plaintext MXF file, analyze each KLV (KLV, Key-Length-Value key frame-length-value) structure contained in ...
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