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Diffstat (limited to 'vp9/common/vp9_quant_common.c')
-rw-r--r--vp9/common/vp9_quant_common.c39
1 files changed, 0 insertions, 39 deletions
diff --git a/vp9/common/vp9_quant_common.c b/vp9/common/vp9_quant_common.c
index def12554d..3332e58e6 100644
--- a/vp9/common/vp9_quant_common.c
+++ b/vp9/common/vp9_quant_common.c
@@ -12,7 +12,6 @@
#include "vp9/common/vp9_quant_common.h"
#include "vp9/common/vp9_seg_common.h"
-#if 1
static const int16_t dc_qlookup[QINDEX_RANGE] = {
4, 8, 8, 9, 10, 11, 12, 12,
13, 14, 15, 16, 17, 18, 19, 19,
@@ -83,44 +82,6 @@ static const int16_t ac_qlookup[QINDEX_RANGE] = {
1597, 1628, 1660, 1692, 1725, 1759, 1793, 1828,
};
-void vp9_init_quant_tables(void) { }
-#else
-static int16_t dc_qlookup[QINDEX_RANGE];
-static int16_t ac_qlookup[QINDEX_RANGE];
-
-#define ACDC_MIN 8
-
-// TODO(dkovalev) move to common and reuse
-static double poly3(double a, double b, double c, double d, double x) {
- return a*x*x*x + b*x*x + c*x + d;
-}
-
-void vp9_init_quant_tables() {
- int i, val = 4;
-
- // A "real" q of 1.0 forces lossless mode.
- // In practice non lossless Q's between 1.0 and 2.0 (represented here by
- // integer values from 5-7 give poor rd results (lower psnr and often
- // larger size than the lossless encode. To block out those "not very useful"
- // values we increment the ac and dc q lookup values by 4 after position 0.
- ac_qlookup[0] = val;
- dc_qlookup[0] = val;
- val += 4;
-
- for (i = 1; i < QINDEX_RANGE; i++) {
- const int ac_val = val;
-
- val = (int)(val * 1.01975);
- if (val == ac_val)
- ++val;
-
- ac_qlookup[i] = (int16_t)ac_val;
- dc_qlookup[i] = (int16_t)MAX(ACDC_MIN, poly3(0.000000305, -0.00065, 0.9,
- 0.5, ac_val));
- }
-}
-#endif
-
int16_t vp9_dc_quant(int qindex, int delta) {
return dc_qlookup[clamp(qindex + delta, 0, MAXQ)];
}