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Adding vp9_get_qindex function.

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Moving common code from encoder and decoder to vp9_get_qindex function.
Also moving quant-related constants from vp9_onyxc_int.h to
vp9_quant_common.h.

Change-Id: I70c5bfbaa1c8bf00fde0bfc459d077f88b6d46c8
This commit is contained in:
Dmitry Kovalev
2013-04-30 13:39:50 -07:00
parent 347ad7fff0
commit 3f6c6ffc86
5 changed files with 24 additions and 39 deletions
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14
vp9/decoder/vp9_decodframe.c
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@@ -181,22 +181,10 @@ void vp9_init_dequantizer(VP9_COMMON *pc) {
}
}
static int get_qindex(MACROBLOCKD *mb, int segment_id, int base_qindex) {
// Set the Q baseline allowing for any segment level adjustment
if (vp9_segfeature_active(mb, segment_id, SEG_LVL_ALT_Q)) {
const int data = vp9_get_segdata(mb, segment_id, SEG_LVL_ALT_Q);
return mb->mb_segment_abs_delta == SEGMENT_ABSDATA ?
data : // Abs value
clamp(base_qindex + data, 0, MAXQ); // Delta value
} else {
return base_qindex;
}
}
static void mb_init_dequantizer(VP9_COMMON *pc, MACROBLOCKD *xd) {
int i;
const int segment_id = xd->mode_info_context->mbmi.segment_id;
xd->q_index = get_qindex(xd, segment_id, pc->base_qindex);
xd->q_index = vp9_get_qindex(xd, segment_id, pc->base_qindex);
xd->plane[0].dequant = pc->y_dequant[xd->q_index];
for (i = 1; i < MAX_MB_PLANE; i++)