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Unified Diff: source/libvpx/vp9/encoder/vp9_quantize.c

Issue 592203002: libvpx: Pull from upstream (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/deps/third_party/libvpx/
Patch Set: Created 6 years, 3 months ago
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Index: source/libvpx/vp9/encoder/vp9_quantize.c
===================================================================
--- source/libvpx/vp9/encoder/vp9_quantize.c (revision 292072)
+++ source/libvpx/vp9/encoder/vp9_quantize.c (working copy)
@@ -19,9 +19,9 @@
#include "vp9/encoder/vp9_quantize.h"
#include "vp9/encoder/vp9_rd.h"
-void vp9_quantize_dc(const int16_t *coeff_ptr, int skip_block,
+void vp9_quantize_dc(const tran_low_t *coeff_ptr, int skip_block,
const int16_t *round_ptr, const int16_t quant,
- int16_t *qcoeff_ptr, int16_t *dqcoeff_ptr,
+ tran_low_t *qcoeff_ptr, tran_low_t *dqcoeff_ptr,
const int16_t dequant_ptr, uint16_t *eob_ptr) {
const int rc = 0;
const int coeff = coeff_ptr[rc];
@@ -40,9 +40,34 @@
*eob_ptr = eob + 1;
}
-void vp9_quantize_dc_32x32(const int16_t *coeff_ptr, int skip_block,
+#if CONFIG_VP9_HIGHBITDEPTH
+void vp9_high_quantize_dc(const tran_low_t *coeff_ptr, int skip_block,
+ const int16_t *round_ptr, const int16_t quant,
+ tran_low_t *qcoeff_ptr, tran_low_t *dqcoeff_ptr,
+ const int16_t dequant_ptr, uint16_t *eob_ptr) {
+ int eob = -1;
+
+ if (!skip_block) {
+ const int rc = 0;
+ const int coeff = coeff_ptr[rc];
+ const int coeff_sign = (coeff >> 31);
+ const int abs_coeff = (coeff ^ coeff_sign) - coeff_sign;
+
+ const int64_t tmp =
+ (clamp(abs_coeff + round_ptr[rc != 0], INT32_MIN, INT32_MAX) *
+ quant) >> 16;
+ qcoeff_ptr[rc] = (tmp ^ coeff_sign) - coeff_sign;
+ dqcoeff_ptr[rc] = qcoeff_ptr[rc] * dequant_ptr;
+ if (tmp)
+ eob = 0;
+ }
+ *eob_ptr = eob + 1;
+}
+#endif
+
+void vp9_quantize_dc_32x32(const tran_low_t *coeff_ptr, int skip_block,
const int16_t *round_ptr, const int16_t quant,
- int16_t *qcoeff_ptr, int16_t *dqcoeff_ptr,
+ tran_low_t *qcoeff_ptr, tran_low_t *dqcoeff_ptr,
const int16_t dequant_ptr, uint16_t *eob_ptr) {
const int rc = 0;
const int coeff = coeff_ptr[rc];
@@ -62,11 +87,36 @@
*eob_ptr = eob + 1;
}
-void vp9_quantize_fp_c(const int16_t *coeff_ptr, intptr_t count,
+#if CONFIG_VP9_HIGHBITDEPTH
+void vp9_high_quantize_dc_32x32(const tran_low_t *coeff_ptr, int skip_block,
+ const int16_t *round_ptr, const int16_t quant,
+ tran_low_t *qcoeff_ptr, tran_low_t *dqcoeff_ptr,
+ const int16_t dequant_ptr, uint16_t *eob_ptr) {
+ int eob = -1;
+
+ if (!skip_block) {
+ const int rc = 0;
+ const int coeff = coeff_ptr[rc];
+ const int coeff_sign = (coeff >> 31);
+ const int abs_coeff = (coeff ^ coeff_sign) - coeff_sign;
+
+ const int64_t tmp =
+ (clamp(abs_coeff + round_ptr[rc != 0], INT32_MIN, INT32_MAX) *
+ quant) >> 15;
+ qcoeff_ptr[rc] = (tmp ^ coeff_sign) - coeff_sign;
+ dqcoeff_ptr[rc] = qcoeff_ptr[rc] * dequant_ptr / 2;
+ if (tmp)
+ eob = 0;
+ }
+ *eob_ptr = eob + 1;
+}
+#endif
+
+void vp9_quantize_fp_c(const tran_low_t *coeff_ptr, intptr_t n_coeffs,
int skip_block,
const int16_t *zbin_ptr, const int16_t *round_ptr,
const int16_t *quant_ptr, const int16_t *quant_shift_ptr,
- int16_t *qcoeff_ptr, int16_t *dqcoeff_ptr,
+ tran_low_t *qcoeff_ptr, tran_low_t *dqcoeff_ptr,
const int16_t *dequant_ptr,
int zbin_oq_value, uint16_t *eob_ptr,
const int16_t *scan, const int16_t *iscan) {
@@ -78,13 +128,13 @@
(void)zbin_oq_value;
(void)iscan;
- vpx_memset(qcoeff_ptr, 0, count * sizeof(int16_t));
- vpx_memset(dqcoeff_ptr, 0, count * sizeof(int16_t));
+ vpx_memset(qcoeff_ptr, 0, n_coeffs * sizeof(*qcoeff_ptr));
+ vpx_memset(dqcoeff_ptr, 0, n_coeffs * sizeof(*dqcoeff_ptr));
if (!skip_block) {
// Quantization pass: All coefficients with index >= zero_flag are
// skippable. Note: zero_flag can be zero.
- for (i = 0; i < count; i++) {
+ for (i = 0; i < n_coeffs; i++) {
const int rc = scan[i];
const int coeff = coeff_ptr[rc];
const int coeff_sign = (coeff >> 31);
@@ -103,14 +153,59 @@
*eob_ptr = eob + 1;
}
+#if CONFIG_VP9_HIGHBITDEPTH
+void vp9_high_quantize_fp_c(const tran_low_t *coeff_ptr, intptr_t count,
+ int skip_block, const int16_t *zbin_ptr,
+ const int16_t *round_ptr, const int16_t *quant_ptr,
+ const int16_t *quant_shift_ptr,
+ tran_low_t *qcoeff_ptr, tran_low_t *dqcoeff_ptr,
+ const int16_t *dequant_ptr,
+ int zbin_oq_value, uint16_t *eob_ptr,
+ const int16_t *scan, const int16_t *iscan) {
+ int i;
+ int eob = -1;
+ // TODO(jingning) Decide the need of these arguments after the
+ // quantization process is completed.
+ (void)zbin_ptr;
+ (void)quant_shift_ptr;
+ (void)zbin_oq_value;
+ (void)iscan;
+
+ vpx_memset(qcoeff_ptr, 0, count * sizeof(*qcoeff_ptr));
+ vpx_memset(dqcoeff_ptr, 0, count * sizeof(*dqcoeff_ptr));
+
+ if (!skip_block) {
+ // Quantization pass: All coefficients with index >= zero_flag are
+ // skippable. Note: zero_flag can be zero.
+ for (i = 0; i < count; i++) {
+ const int rc = scan[i];
+ const int coeff = coeff_ptr[rc];
+ const int coeff_sign = (coeff >> 31);
+ const int abs_coeff = (coeff ^ coeff_sign) - coeff_sign;
+
+ const int64_t tmp =
+ (clamp(abs_coeff + round_ptr[rc != 0], INT32_MIN, INT32_MAX) *
+ quant_ptr[rc != 0]) >> 16;
+
+ qcoeff_ptr[rc] = (tmp ^ coeff_sign) - coeff_sign;
+ dqcoeff_ptr[rc] = qcoeff_ptr[rc] * dequant_ptr[rc != 0];
+
+ if (tmp)
+ eob = i;
+ }
+ }
+ *eob_ptr = eob + 1;
+}
+#endif
+
// TODO(jingning) Refactor this file and combine functions with similar
// operations.
-void vp9_quantize_fp_32x32_c(const int16_t *coeff_ptr, intptr_t n_coeffs,
+void vp9_quantize_fp_32x32_c(const tran_low_t *coeff_ptr, intptr_t n_coeffs,
int skip_block,
const int16_t *zbin_ptr, const int16_t *round_ptr,
const int16_t *quant_ptr,
const int16_t *quant_shift_ptr,
- int16_t *qcoeff_ptr, int16_t *dqcoeff_ptr,
+ tran_low_t *qcoeff_ptr, tran_low_t *dqcoeff_ptr,
const int16_t *dequant_ptr,
int zbin_oq_value, uint16_t *eob_ptr,
const int16_t *scan, const int16_t *iscan) {
@@ -120,8 +215,8 @@
(void)zbin_oq_value;
(void)iscan;
- vpx_memset(qcoeff_ptr, 0, n_coeffs * sizeof(int16_t));
- vpx_memset(dqcoeff_ptr, 0, n_coeffs * sizeof(int16_t));
+ vpx_memset(qcoeff_ptr, 0, n_coeffs * sizeof(*qcoeff_ptr));
+ vpx_memset(dqcoeff_ptr, 0, n_coeffs * sizeof(*dqcoeff_ptr));
if (!skip_block) {
for (i = 0; i < n_coeffs; i++) {
@@ -146,27 +241,72 @@
*eob_ptr = eob + 1;
}
-void vp9_quantize_b_c(const int16_t *coeff_ptr, intptr_t count,
+#if CONFIG_VP9_HIGHBITDEPTH
+void vp9_high_quantize_fp_32x32_c(const tran_low_t *coeff_ptr,
+ intptr_t n_coeffs, int skip_block,
+ const int16_t *zbin_ptr,
+ const int16_t *round_ptr,
+ const int16_t *quant_ptr,
+ const int16_t *quant_shift_ptr,
+ tran_low_t *qcoeff_ptr,
+ tran_low_t *dqcoeff_ptr,
+ const int16_t *dequant_ptr,
+ int zbin_oq_value, uint16_t *eob_ptr,
+ const int16_t *scan, const int16_t *iscan) {
+ int i, eob = -1;
+ (void)zbin_ptr;
+ (void)quant_shift_ptr;
+ (void)zbin_oq_value;
+ (void)iscan;
+
+ vpx_memset(qcoeff_ptr, 0, n_coeffs * sizeof(*qcoeff_ptr));
+ vpx_memset(dqcoeff_ptr, 0, n_coeffs * sizeof(*dqcoeff_ptr));
+
+ if (!skip_block) {
+ for (i = 0; i < n_coeffs; i++) {
+ const int rc = scan[i];
+ const int coeff = coeff_ptr[rc];
+ const int coeff_sign = (coeff >> 31);
+ int64_t tmp = 0;
+ const int abs_coeff = (coeff ^ coeff_sign) - coeff_sign;
+
+ if (abs_coeff >= (dequant_ptr[rc != 0] >> 2)) {
+ tmp = clamp(abs_coeff + ROUND_POWER_OF_TWO(round_ptr[rc != 0], 1),
+ INT32_MIN, INT32_MAX);
+ tmp = (tmp * quant_ptr[rc != 0]) >> 15;
+ qcoeff_ptr[rc] = (tmp ^ coeff_sign) - coeff_sign;
+ dqcoeff_ptr[rc] = qcoeff_ptr[rc] * dequant_ptr[rc != 0] / 2;
+ }
+
+ if (tmp)
+ eob = i;
+ }
+ }
+ *eob_ptr = eob + 1;
+}
+#endif
+
+void vp9_quantize_b_c(const tran_low_t *coeff_ptr, intptr_t n_coeffs,
int skip_block,
const int16_t *zbin_ptr, const int16_t *round_ptr,
const int16_t *quant_ptr, const int16_t *quant_shift_ptr,
- int16_t *qcoeff_ptr, int16_t *dqcoeff_ptr,
+ tran_low_t *qcoeff_ptr, tran_low_t *dqcoeff_ptr,
const int16_t *dequant_ptr,
int zbin_oq_value, uint16_t *eob_ptr,
const int16_t *scan, const int16_t *iscan) {
- int i, non_zero_count = (int)count, eob = -1;
+ int i, non_zero_count = (int)n_coeffs, eob = -1;
const int zbins[2] = { zbin_ptr[0] + zbin_oq_value,
zbin_ptr[1] + zbin_oq_value };
const int nzbins[2] = { zbins[0] * -1,
zbins[1] * -1 };
(void)iscan;
- vpx_memset(qcoeff_ptr, 0, count * sizeof(int16_t));
- vpx_memset(dqcoeff_ptr, 0, count * sizeof(int16_t));
+ vpx_memset(qcoeff_ptr, 0, n_coeffs * sizeof(*qcoeff_ptr));
+ vpx_memset(dqcoeff_ptr, 0, n_coeffs * sizeof(*dqcoeff_ptr));
if (!skip_block) {
// Pre-scan pass
- for (i = (int)count - 1; i >= 0; i--) {
+ for (i = (int)n_coeffs - 1; i >= 0; i--) {
const int rc = scan[i];
const int coeff = coeff_ptr[rc];
@@ -199,12 +339,68 @@
*eob_ptr = eob + 1;
}
-void vp9_quantize_b_32x32_c(const int16_t *coeff_ptr, intptr_t n_coeffs,
+#if CONFIG_VP9_HIGHBITDEPTH
+void vp9_high_quantize_b_c(const tran_low_t *coeff_ptr, intptr_t n_coeffs,
+ int skip_block, const int16_t *zbin_ptr,
+ const int16_t *round_ptr, const int16_t *quant_ptr,
+ const int16_t *quant_shift_ptr,
+ tran_low_t *qcoeff_ptr, tran_low_t *dqcoeff_ptr,
+ const int16_t *dequant_ptr, int zbin_oq_value,
+ uint16_t *eob_ptr, const int16_t *scan,
+ const int16_t *iscan) {
+ int i, non_zero_count = (int)n_coeffs, eob = -1;
+ const int zbins[2] = { zbin_ptr[0] + zbin_oq_value,
+ zbin_ptr[1] + zbin_oq_value };
+ const int nzbins[2] = { zbins[0] * -1,
+ zbins[1] * -1 };
+ (void)iscan;
+
+ vpx_memset(qcoeff_ptr, 0, n_coeffs * sizeof(*qcoeff_ptr));
+ vpx_memset(dqcoeff_ptr, 0, n_coeffs * sizeof(*dqcoeff_ptr));
+
+ if (!skip_block) {
+ // Pre-scan pass
+ for (i = (int)n_coeffs - 1; i >= 0; i--) {
+ const int rc = scan[i];
+ const int coeff = coeff_ptr[rc];
+
+ if (coeff < zbins[rc != 0] && coeff > nzbins[rc != 0])
+ non_zero_count--;
+ else
+ break;
+ }
+
+ // Quantization pass: All coefficients with index >= zero_flag are
+ // skippable. Note: zero_flag can be zero.
+ for (i = 0; i < non_zero_count; i++) {
+ const int rc = scan[i];
+ const int coeff = coeff_ptr[rc];
+ const int coeff_sign = (coeff >> 31);
+ const int abs_coeff = (coeff ^ coeff_sign) - coeff_sign;
+
+ if (abs_coeff >= zbins[rc != 0]) {
+ int64_t tmp = clamp(abs_coeff + round_ptr[rc != 0],
+ INT32_MIN, INT32_MAX);
+ tmp = ((((tmp * quant_ptr[rc != 0]) >> 16) + tmp) *
+ quant_shift_ptr[rc != 0]) >> 16; // quantization
+ qcoeff_ptr[rc] = (tmp ^ coeff_sign) - coeff_sign;
+ dqcoeff_ptr[rc] = qcoeff_ptr[rc] * dequant_ptr[rc != 0];
+
+ if (tmp)
+ eob = i;
+ }
+ }
+ }
+ *eob_ptr = eob + 1;
+}
+#endif
+
+void vp9_quantize_b_32x32_c(const tran_low_t *coeff_ptr, intptr_t n_coeffs,
int skip_block,
const int16_t *zbin_ptr, const int16_t *round_ptr,
const int16_t *quant_ptr,
const int16_t *quant_shift_ptr,
- int16_t *qcoeff_ptr, int16_t *dqcoeff_ptr,
+ tran_low_t *qcoeff_ptr, tran_low_t *dqcoeff_ptr,
const int16_t *dequant_ptr,
int zbin_oq_value, uint16_t *eob_ptr,
const int16_t *scan, const int16_t *iscan) {
@@ -217,8 +413,8 @@
int i, eob = -1;
(void)iscan;
- vpx_memset(qcoeff_ptr, 0, n_coeffs * sizeof(int16_t));
- vpx_memset(dqcoeff_ptr, 0, n_coeffs * sizeof(int16_t));
+ vpx_memset(qcoeff_ptr, 0, n_coeffs * sizeof(*qcoeff_ptr));
+ vpx_memset(dqcoeff_ptr, 0, n_coeffs * sizeof(*dqcoeff_ptr));
if (!skip_block) {
// Pre-scan pass
@@ -255,12 +451,84 @@
*eob_ptr = eob + 1;
}
+#if CONFIG_VP9_HIGHBITDEPTH
+void vp9_high_quantize_b_32x32_c(const tran_low_t *coeff_ptr,
+ intptr_t n_coeffs, int skip_block,
+ const int16_t *zbin_ptr,
+ const int16_t *round_ptr,
+ const int16_t *quant_ptr,
+ const int16_t *quant_shift_ptr,
+ tran_low_t *qcoeff_ptr,
+ tran_low_t *dqcoeff_ptr,
+ const int16_t *dequant_ptr,
+ int zbin_oq_value, uint16_t *eob_ptr,
+ const int16_t *scan, const int16_t *iscan) {
+ const int zbins[2] = { ROUND_POWER_OF_TWO(zbin_ptr[0] + zbin_oq_value, 1),
+ ROUND_POWER_OF_TWO(zbin_ptr[1] + zbin_oq_value, 1) };
+ const int nzbins[2] = { zbins[0] * -1, zbins[1] * -1 };
+
+ int idx = 0;
+ int idx_arr[1024];
+ int i, eob = -1;
+ (void)iscan;
+
+ vpx_memset(qcoeff_ptr, 0, n_coeffs * sizeof(*qcoeff_ptr));
+ vpx_memset(dqcoeff_ptr, 0, n_coeffs * sizeof(*dqcoeff_ptr));
+
+ if (!skip_block) {
+ // Pre-scan pass
+ for (i = 0; i < n_coeffs; i++) {
+ const int rc = scan[i];
+ const int coeff = coeff_ptr[rc];
+
+ // If the coefficient is out of the base ZBIN range, keep it for
+ // quantization.
+ if (coeff >= zbins[rc != 0] || coeff <= nzbins[rc != 0])
+ idx_arr[idx++] = i;
+ }
+
+ // Quantization pass: only process the coefficients selected in
+ // pre-scan pass. Note: idx can be zero.
+ for (i = 0; i < idx; i++) {
+ const int rc = scan[idx_arr[i]];
+ const int coeff = coeff_ptr[rc];
+ const int coeff_sign = (coeff >> 31);
+ const int abs_coeff = (coeff ^ coeff_sign) - coeff_sign;
+ int64_t tmp = clamp(abs_coeff +
+ ROUND_POWER_OF_TWO(round_ptr[rc != 0], 1),
+ INT32_MIN, INT32_MAX);
+ tmp = ((((tmp * quant_ptr[rc != 0]) >> 16) + tmp) *
+ quant_shift_ptr[rc != 0]) >> 15;
+
+ qcoeff_ptr[rc] = (tmp ^ coeff_sign) - coeff_sign;
+ dqcoeff_ptr[rc] = qcoeff_ptr[rc] * dequant_ptr[rc != 0] / 2;
+
+ if (tmp)
+ eob = idx_arr[i];
+ }
+ }
+ *eob_ptr = eob + 1;
+}
+#endif
+
void vp9_regular_quantize_b_4x4(MACROBLOCK *x, int plane, int block,
const int16_t *scan, const int16_t *iscan) {
MACROBLOCKD *const xd = &x->e_mbd;
struct macroblock_plane *p = &x->plane[plane];
struct macroblockd_plane *pd = &xd->plane[plane];
+#if CONFIG_VP9_HIGHBITDEPTH
+ if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) {
+ vp9_high_quantize_b(BLOCK_OFFSET(p->coeff, block),
+ 16, x->skip_block,
+ p->zbin, p->round, p->quant, p->quant_shift,
+ BLOCK_OFFSET(p->qcoeff, block),
+ BLOCK_OFFSET(pd->dqcoeff, block),
+ pd->dequant, p->zbin_extra, &p->eobs[block],
+ scan, iscan);
+ return;
+ }
+#endif
vp9_quantize_b(BLOCK_OFFSET(p->coeff, block),
16, x->skip_block,
p->zbin, p->round, p->quant, p->quant_shift,
@@ -280,13 +548,33 @@
*shift = 1 << (16 - l);
}
+static int get_qzbin_factor(int q, vpx_bit_depth_t bit_depth) {
+ const int quant = vp9_dc_quant(q, 0, bit_depth);
+#if CONFIG_VP9_HIGHBITDEPTH
+ switch (bit_depth) {
+ case VPX_BITS_8:
+ return q == 0 ? 64 : (quant < 148 ? 84 : 80);
+ case VPX_BITS_10:
+ return q == 0 ? 64 : (quant < 592 ? 84 : 80);
+ case VPX_BITS_12:
+ return q == 0 ? 64 : (quant < 2368 ? 84 : 80);
+ default:
+ assert(0 && "bit_depth should be VPX_BITS_8, VPX_BITS_10 or VPX_BITS_12");
+ return -1;
+ }
+#else
+ (void) bit_depth;
+ return q == 0 ? 64 : (quant < 148 ? 84 : 80);
+#endif
+}
+
void vp9_init_quantizer(VP9_COMP *cpi) {
VP9_COMMON *const cm = &cpi->common;
QUANTS *const quants = &cpi->quants;
int i, q, quant;
for (q = 0; q < QINDEX_RANGE; q++) {
- const int qzbin_factor = q == 0 ? 64 : (vp9_dc_quant(q, 0) < 148 ? 84 : 80);
+ const int qzbin_factor = get_qzbin_factor(q, cm->bit_depth);
const int qrounding_factor = q == 0 ? 64 : 48;
for (i = 0; i < 2; ++i) {
@@ -295,8 +583,8 @@
qrounding_factor_fp = 64;
// y
- quant = i == 0 ? vp9_dc_quant(q, cm->y_dc_delta_q)
- : vp9_ac_quant(q, 0);
+ quant = i == 0 ? vp9_dc_quant(q, cm->y_dc_delta_q, cm->bit_depth)
+ : vp9_ac_quant(q, 0, cm->bit_depth);
invert_quant(&quants->y_quant[q][i], &quants->y_quant_shift[q][i], quant);
quants->y_quant_fp[q][i] = (1 << 16) / quant;
quants->y_round_fp[q][i] = (qrounding_factor_fp * quant) >> 7;
@@ -305,8 +593,8 @@
cm->y_dequant[q][i] = quant;
// uv
- quant = i == 0 ? vp9_dc_quant(q, cm->uv_dc_delta_q)
- : vp9_ac_quant(q, cm->uv_ac_delta_q);
+ quant = i == 0 ? vp9_dc_quant(q, cm->uv_dc_delta_q, cm->bit_depth)
+ : vp9_ac_quant(q, cm->uv_ac_delta_q, cm->bit_depth);
invert_quant(&quants->uv_quant[q][i],
&quants->uv_quant_shift[q][i], quant);
quants->uv_quant_fp[q][i] = (1 << 16) / quant;
@@ -340,7 +628,7 @@
const VP9_COMMON *const cm = &cpi->common;
MACROBLOCKD *const xd = &x->e_mbd;
QUANTS *const quants = &cpi->quants;
- const int segment_id = xd->mi[0]->mbmi.segment_id;
+ const int segment_id = xd->mi[0].src_mi->mbmi.segment_id;
const int qindex = vp9_get_qindex(&cm->seg, segment_id, cm->base_qindex);
const int rdmult = vp9_compute_rd_mult(cpi, qindex + cm->y_dc_delta_q);
const int zbin = cpi->zbin_mode_boost;
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