[Mjpeg-users] reach a higher bitrate

[Daniel Silva]

Hello,       I'm encoding an mpeg2 bitstream using the following command:    mpeg2enc "inputfile" -f 3 -a 2 -b 7500 -q 5 -V 220 -o "outputfile"              When we use a quantization step (5 in this case), the bitrate used by the mjpegtools will be a VBR. But I notice that the maximum bitrate used is not the one we give as a parameter (7500 kbit/s) which led to poor quality when encoding.     I'm doing a study of the mjpegtools and I have to look into the witten code to discover why this happen (why the bitrate never reaches the one specified in the -b field). The idea was to change the code in order to make the control of the bitrate only when the maximum bitrate desired was reached because right know it is controlled right from the beggining, and therefore the 7500 Kbits/s aren't reached.     Does anyone know if this is possible?       Thank you,             Daniel