DCT Coefficient in MPEG2 Bitstream ISO/IEC standards

[shaklasah]

Hi,

I am having difficulty parsing MPEG2 video bitstream. I have an encoded MPEG2 video in a binary file and I want to use one of the "Selective Encryption Algorithms" that encrypts only the "DC signs in intra-macroblocks".

Anyone can help me fining...

[ee10m04]

hi,


I am working in MPEG codecs. I am facing difficulty to find the Standard quantization matrices. Can any one help me to know the MPEG2 standard quantization matrices possible for I,P,B frames. what are the different ways to scale them for compression (additive/multiplicative)....

[pidece]

Hola, Grabo pelÃculas y sobre todo documentales de la TDT y quisiera poder conservar algunos de ellos, a ser posible en su formato original MPEG 1/2 (Bitrate por encima de 3.000), para lo que necesito editarlos (publicidad, ajustes de inicio y fin, incluso pegar fragmentos en algún caso). L...