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describe rd-opt levels introduce VP8RDLevel enum

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makes things somehow clearer compared to using magic constants

Change-Id: I9115cee71252511f722806427ee8a97f1a1cd95f
This commit is contained in:
Pascal Massimino
2013-02-26 02:20:59 -08:00
parent b7eaa85d6a
commit 5189957e07
4 changed files with 26 additions and 20 deletions
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8
src/enc/webpenc.c
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@ -114,10 +114,10 @@ static void MapConfigToTools(VP8Encoder* const enc) {
const int method = enc->config_->method;
const int limit = 100 - enc->config_->partition_limit;
enc->method_ = method;
enc->rd_opt_level_ = (method >= 6) ? 3
: (method >= 5) ? 2
: (method >= 3) ? 1
: 0;
enc->rd_opt_level_ = (method >= 6) ? RD_OPT_TRELLIS_ALL
: (method >= 5) ? RD_OPT_TRELLIS
: (method >= 3) ? RD_OPT_BASIC
: RD_OPT_NONE;
enc->max_i4_header_bits_ =
256 * 16 * 16 * // upper bound: up to 16bit per 4x4 block
(limit * limit) / (100 * 100); // ... modulated with a quadratic curve.