Commit 4c14efd2 authored by Yunqing Wang's avatar Yunqing Wang
Browse files

Fix checks in MB quantizer initialization

vp8cx_mb_init_quantizer() needs to be called at least once to get
all values calculated. This change added one check to decide if
we could skip initialization or not.

Change-Id: I3f65eb548be57580a61444328336bc18c25c085b
parent aa6afc01
......@@ -465,7 +465,7 @@ void encode_mb_row(VP8_COMP *cpi,
else
xd->mode_info_context->mbmi.segment_id = 0;
vp8cx_mb_init_quantizer(cpi, x);
vp8cx_mb_init_quantizer(cpi, x, 1);
}
else
xd->mode_info_context->mbmi.segment_id = 0; // Set to Segment 0 by default
......@@ -1255,7 +1255,7 @@ int vp8cx_encode_inter_macroblock
xd->mode_info_context->mbmi.segment_id = 0;
/* segment_id changed, so update */
vp8cx_mb_init_quantizer(cpi, x);
vp8cx_mb_init_quantizer(cpi, x, 1);
}
}
}
......
......@@ -20,7 +20,7 @@ extern int vp8cx_encode_inter_macroblock(VP8_COMP *cpi, MACROBLOCK *x,
int recon_uvoffset);
extern int vp8cx_encode_intra_macro_block(VP8_COMP *cpi, MACROBLOCK *x,
TOKENEXTRA **t);
extern void vp8cx_mb_init_quantizer(VP8_COMP *cpi, MACROBLOCK *x);
extern void vp8cx_mb_init_quantizer(VP8_COMP *cpi, MACROBLOCK *x, int ok_to_skip);
extern void vp8_build_block_offsets(MACROBLOCK *x);
extern void vp8_setup_block_ptrs(MACROBLOCK *x);
......@@ -163,7 +163,7 @@ THREAD_FUNCTION thread_encoding_proc(void *p_data)
else
xd->mode_info_context->mbmi.segment_id = 0;
vp8cx_mb_init_quantizer(cpi, x);
vp8cx_mb_init_quantizer(cpi, x, 1);
}
else
xd->mode_info_context->mbmi.segment_id = 0; // Set to Segment 0 by default
......
......@@ -583,7 +583,7 @@ void vp8cx_init_quantizer(VP8_COMP *cpi)
cpi->zbin_mode_boost + \
x->act_zbin_adj ) ) >> 7)
void vp8cx_mb_init_quantizer(VP8_COMP *cpi, MACROBLOCK *x)
void vp8cx_mb_init_quantizer(VP8_COMP *cpi, MACROBLOCK *x, int ok_to_skip)
{
int i;
int QIndex;
......@@ -607,7 +607,10 @@ void vp8cx_mb_init_quantizer(VP8_COMP *cpi, MACROBLOCK *x)
else
QIndex = cpi->common.base_qindex;
if (QIndex != x->q_index)
/* This initialization should be called at least once. Use ok_to_skip to
* decide if it is ok to skip.
*/
if (!ok_to_skip || QIndex != x->q_index)
{
// Y
zbin_extra = ZBIN_EXTRA_Y;
......@@ -716,7 +719,7 @@ void vp8cx_frame_init_quantizer(VP8_COMP *cpi)
cpi->zbin_mode_boost = 0;
// MB level quantizer setup
vp8cx_mb_init_quantizer(cpi, &cpi->mb);
vp8cx_mb_init_quantizer(cpi, &cpi->mb, 0);
}
......
......@@ -86,7 +86,7 @@ struct VP8_COMP;
extern void vp8_set_quantizer(struct VP8_COMP *cpi, int Q);
extern void vp8cx_frame_init_quantizer(struct VP8_COMP *cpi);
extern void vp8_update_zbin_extra(struct VP8_COMP *cpi, MACROBLOCK *x);
extern void vp8cx_mb_init_quantizer(struct VP8_COMP *cpi, MACROBLOCK *x);
extern void vp8cx_mb_init_quantizer(struct VP8_COMP *cpi, MACROBLOCK *x, int ok_to_skip);
extern void vp8cx_init_quantizer(struct VP8_COMP *cpi);
#endif
......@@ -43,7 +43,6 @@
#endif
extern void vp8cx_mb_init_quantizer(VP8_COMP *cpi, MACROBLOCK *x);
extern void vp8_update_zbin_extra(VP8_COMP *cpi, MACROBLOCK *x);
#define MAXF(a,b) (((a) > (b)) ? (a) : (b))
......
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