Google Flix Engine Linux Reference Manual - Manual (Page 61)

5.15 VP6 with Alpha 55
5.15.2 Define Documentation
5.15.2.1 #define FE2_CODEC_VP6ALPHA
Codec name for use with Flix2_AddCodec() .
Definition at line 56 of file vp6_alpha.h.
5.15.2.2 #define FE2_VP6A_2PASS_MAX_SECTION
Alias for FE2_VP6_2PASS_MAX_SECTION .
VBR_2PASSControl maximum section datarate
This value is given as a percentage. The highest datarate, i.e., FE2_VP6_2PASS_MAX_SECTION% ×
FE2_VP6_BITRATE
, that can be streamed, and also the highest datarate that the encoder will allow, no
matter how difficult the section is.
Note:
Default: 400
Definition at line 202 of file vp6_alpha.h.
5.15.2.3 #define FE2_VP6A_2PASS_MIN_SECTION
Alias for FE2_VP6_2PASS_MIN_SECTION .
VBR_2PASSControl minimum section datarate
This value is given as a percentage. The lowest datarate, i.e., FE2_VP6_2PASS_MIN_SECTION% ×
FE2_VP6_BITRATE
, that the encoder will allow for any section, no matter how easy the section is. This
value is used to prevent difficult sections from stealing too many bits from easy sections.
Note:
Default: 40
Definition at line 196 of file vp6_alpha.h.
5.15.2.4 #define FE2_VP6A_ALPHA_BITRATE
Compressed bitrate of the alpha channel in kbit/s.
Note:
Default: 68 (15% of default 448kbps)
Definition at line 74 of file vp6_alpha.h.
5.15.2.5 #define FE2_VP6A_ALPHA_MAX_Q
Maximum quantizer for the alpha channel.
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