Changes between Version 1 and Version 2 of Ticket #2689, comment 12


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Timestamp:
May 6, 2014, 5:48:34 PM (5 years ago)
Author:
fredt
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  • Ticket #2689, comment 12

    v1 v2  
    11Based on code analysis and looking at the ffmbc fix, the solution is to modify mpeg12enc.c
    22
    3 When the aspect ratio equal exactly a valid mpeg2 aspect ratio, the wrong aspect ratio is sent in the aspect_ratio field in the mpeg sequence header. In that scenario the error difference will be zero because they match exactly.
     3When the aspect ratio equal exactly a valid mpeg2 aspect ratio, the wrong aspect ratio is sent in the aspect_ratio field in the mpeg sequence header. In that scenario the error difference will be zero because they match exactly. Because of the < sign, the current algorithm will select the second best error difference ignoring perfect match thus causing the error.
    44
    55STB use the sequence header to display the right format on screen.