On Sunday 26 November 2006 22:04, Duncan Webb wrote:
> Hi all,
>
> I'm trying to figure out some of the old codec controls to the new
> external controls.
>
> 'Video Aspect' 'aspect' : 2,
> 'Video B Frames' 'bframes' : 3,
> 'Video Bitrate Mode' 'bitrate_mode' : 0,
> 'Video Bitrate' 'bitrate' : 8000000,
> 'Video Peak Bitrate' 'bitrate_peak' : 9600000,
> 'Video GOP Size' 'framespergop' : 12,
> 'Video GOP Closure' 'gop_closure' : 1,
> 'Video Pulldown' 'pulldown' : 0,
> 'Stream Type' 'stream_type' : 14,
>
> I still need to figure out these
> 'Temporal Filter Mode' 'dnr_mode' : 3,
> 'Temporal Filter' 'dnr_temporal' : 0,
> 'dnr_spatial' : 0,
> 'dnr_type' : 0,
>
> Can you help?
dnr_mode, bit 0: Spatial Filter Mode
dnr_mode, bit 1: Temporal Filter Mode
dnr_type: Median Filter Type
dnr_spatial: Spatial Filter
dnr_temporal: Temporal Filter
>
> The audio bit-mask has become many controls, this was easy to figure
> out.
>
> When the firmware supports these:
> 2:3 'Audio Encoding Layer':
> '01'=Layer I
> '10'=Layer II
>
> 4:7 'Audio Layer II Bitrate':
> Index | Layer I | Layer II
> ------+-------------+------------
> '0000' | free format | free format
> '0001' | 32 kbit/s | 32 kbit/s
> '0010' | 64 kbit/s | 48 kbit/s
> '0011' | 96 kbit/s | 56 kbit/s
> '0100' | 128 kbit/s | 64 kbit/s
> '0101' | 160 kbit/s | 80 kbit/s
> '0110' | 192 kbit/s | 96 kbit/s
> '0111' | 224 kbit/s | 112 kbit/s
> '1000' | 256 kbit/s | 128 kbit/s
> '1001' | 288 kbit/s | 160 kbit/s
> '1010' | 320 kbit/s | 192 kbit/s
> '1011' | 352 kbit/s | 224 kbit/s
> '1100' | 384 kbit/s | 256 kbit/s
> '1101' | 416 kbit/s | 320 kbit/s
> '1110' | 448 kbit/s | 384 kbit/s
>
> Why is only a subset used?
The other values do not work. Not supported by the firmware (I know, I
tried them!)
Regards,
Hans
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