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WebM Codec SDK
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vpx region of interest map More...
#include <vp8cx.h>
Data Fields | |
| uint8_t | enabled |
| unsigned char * | roi_map |
| unsigned int | rows |
| unsigned int | cols |
| int | delta_q [8] |
| int | delta_lf [8] |
| int | skip [8] |
| int | ref_frame [8] |
| unsigned int | static_threshold [4] |
vpx region of interest map
These defines the data structures for the region of interest map
| uint8_t vpx_roi_map::enabled |
If ROI is enabled.
| unsigned char* vpx_roi_map::roi_map |
An id between 0-3 (0-7 for vp9) for each 16x16 (8x8 for VP9) region within a frame.
| unsigned int vpx_roi_map::rows |
Number of rows.
| unsigned int vpx_roi_map::cols |
Number of columns.
| int vpx_roi_map::delta_q[8] |
VP8 only uses the first 4 segments. VP9 uses 8 segments. Quantizer deltas. Valid range: [-63, 63].
| int vpx_roi_map::delta_lf[8] |
Loop filter deltas. Valid range: [-63, 63].
| int vpx_roi_map::skip[8] |
skip and ref frame segment is only used in VP9. Skip this block.
| int vpx_roi_map::ref_frame[8] |
Reference frame for this block.
| unsigned int vpx_roi_map::static_threshold[4] |
Static breakout threshold for each segment. Only used in VP8.