diff options
Diffstat (limited to 'DOCS/tech/libavc-options.txt')
| -rw-r--r-- | DOCS/tech/libavc-options.txt | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/DOCS/tech/libavc-options.txt b/DOCS/tech/libavc-options.txt index 9f508bf0cd..62e8bcf839 100644 --- a/DOCS/tech/libavc-options.txt +++ b/DOCS/tech/libavc-options.txt @@ -48,7 +48,7 @@ vme 0-5 (motion estimation) 2 log (not recommanded, lq) 3 phods (not recommanded, lq) 4 EPZS (default) - 5 X1 + 5 X1 (experimantal, might change from time to time or be just broken) vhq (high quality mode) encode each MB as in all modes and choose the best (this is slow but @@ -58,7 +58,6 @@ vhq (high quality mode) v4mv allow 4 MV per MB (little difference in filesize/quality) disabled by default - cannot be used with B frames (should now work in lq mode) keyint 0-300 (maximum interval between keyframes) keyframes are needed for seeking as seeking is only possible to a @@ -272,6 +271,20 @@ pred (for huffyuv) 1 plane/gradient prediction 2 median prediction +qpel use quarter pel motion compensation + Tip: this seems only usefull for high bitrate encodings + +cmp comparission function for full pel motion estimation +subcmp comparission function for sub pel motion estimation + 0 SAD (sum of absolute differences) (default) + 1 SSE (sum of squared errors) + 2 SATD (sum of absolute hadamard transformed differences) + 3 DCT (sum of absolute dct transformed differences) + 4 PSNR (sum of the squared quantization errors) + 7 ZERO (0) + +256 (use chroma too, doesnt work with b frames currently) + Tip: SAD is fast, SATD is good + lavdopts: (decoder options) --------------------------- |