Merge "Code cleanup." into experimental
diff --git a/vp9/common/vp9_idctllm.c b/vp9/common/vp9_idctllm.c
index 36857bc..35f53ef 100644
--- a/vp9/common/vp9_idctllm.c
+++ b/vp9/common/vp9_idctllm.c
@@ -24,12 +24,20 @@
**************************************************************************/
#include <assert.h>
#include <math.h>
+
#include "./vpx_config.h"
#include "vp9/common/vp9_systemdependent.h"
#include "vp9/common/vp9_blockd.h"
#include "vp9/common/vp9_common.h"
#include "vp9/common/vp9_idct.h"
+#define ROUND_POWER_OF_TWO(value, n) (((value) + (1 << ((n) - 1))) >> (n))
+
+/* If we don't want to use ROUND_POWER_OF_TWO macro
+static INLINE int16_t round_power_of_two(int16_t value, int n) {
+ return (value + (1 << (n - 1))) >> n;
+}*/
+
void vp9_short_inv_walsh4x4_x8_c(int16_t *input, int16_t *output, int pitch) {
int i;
int a1, b1, c1, d1;
@@ -38,10 +46,10 @@
int shortpitch = pitch >> 1;
for (i = 0; i < 4; i++) {
- a1 = ((ip[0] + ip[3])) >> WHT_UPSCALE_FACTOR;
- b1 = ((ip[1] + ip[2])) >> WHT_UPSCALE_FACTOR;
- c1 = ((ip[1] - ip[2])) >> WHT_UPSCALE_FACTOR;
- d1 = ((ip[0] - ip[3])) >> WHT_UPSCALE_FACTOR;
+ a1 = (ip[0] + ip[3]) >> WHT_UPSCALE_FACTOR;
+ b1 = (ip[1] + ip[2]) >> WHT_UPSCALE_FACTOR;
+ c1 = (ip[1] - ip[2]) >> WHT_UPSCALE_FACTOR;
+ d1 = (ip[0] - ip[3]) >> WHT_UPSCALE_FACTOR;
op[0] = (a1 + b1 + 1) >> 1;
op[1] = (c1 + d1) >> 1;
@@ -79,7 +87,7 @@
int shortpitch = pitch >> 1;
op[0] = ((ip[0] >> WHT_UPSCALE_FACTOR) + 1) >> 1;
- op[1] = op[2] = op[3] = ((ip[0] >> WHT_UPSCALE_FACTOR) >> 1);
+ op[1] = op[2] = op[3] = (ip[0] >> WHT_UPSCALE_FACTOR) >> 1;
ip = tmp;
@@ -101,9 +109,8 @@
vp9_short_inv_walsh4x4_1_x8_c(&dc, tmp, 4 << 1);
for (r = 0; r < 4; r++) {
- for (c = 0; c < 4; c++) {
+ for (c = 0; c < 4; c++)
dst_ptr[c] = clip_pixel(tmp[r * 4 + c] + pred_ptr[c]);
- }
dst_ptr += stride;
pred_ptr += pitch;
@@ -150,7 +157,7 @@
temp_in[j] = out[j * 4 + i];
idct4_1d(temp_in, temp_out);
for (j = 0; j < 4; ++j)
- output[j * short_pitch + i] = (temp_out[j] + 8) >> 4;
+ output[j * short_pitch + i] = ROUND_POWER_OF_TWO(temp_out[j], 4);
}
}
@@ -159,19 +166,12 @@
int a1;
int16_t *op = output;
int shortpitch = pitch >> 1;
- int tmp;
- int16_t out;
- tmp = input[0] * cospi_16_64;
- out = dct_const_round_shift(tmp);
- tmp = out * cospi_16_64;
- out = dct_const_round_shift(tmp);
- a1 = (out + 8) >> 4;
+ int16_t out = dct_const_round_shift(input[0] * cospi_16_64);
+ out = dct_const_round_shift(out * cospi_16_64);
+ a1 = ROUND_POWER_OF_TWO(out, 4);
for (i = 0; i < 4; i++) {
- op[0] = a1;
- op[1] = a1;
- op[2] = a1;
- op[3] = a1;
+ op[0] = op[1] = op[2] = op[3] = a1;
op += shortpitch;
}
}
@@ -180,18 +180,14 @@
uint8_t *dst_ptr, int pitch, int stride) {
int a1;
int r, c;
- int tmp;
- int16_t out;
- tmp = input_dc * cospi_16_64;
- out = dct_const_round_shift(tmp);
- tmp = out * cospi_16_64;
- out = dct_const_round_shift(tmp);
- a1 = (out + 8) >> 4;
+ int16_t out = dct_const_round_shift(input_dc * cospi_16_64);
+ out = dct_const_round_shift(out * cospi_16_64);
+ a1 = ROUND_POWER_OF_TWO(out, 4);
for (r = 0; r < 4; r++) {
- for (c = 0; c < 4; c++) {
+ for (c = 0; c < 4; c++)
dst_ptr[c] = clip_pixel(a1 + pred_ptr[c]);
- }
+
dst_ptr += stride;
pred_ptr += pitch;
}
@@ -262,7 +258,7 @@
temp_in[j] = out[j * 8 + i];
idct8_1d(temp_in, temp_out);
for (j = 0; j < 8; ++j)
- output[j * short_pitch + i] = (temp_out[j] + 16) >> 5;
+ output[j * short_pitch + i] = ROUND_POWER_OF_TWO(temp_out[j], 5);
}
}
@@ -354,7 +350,7 @@
temp_in[j] = out[j * 4 + i];
invc(temp_in, temp_out);
for (j = 0; j < 4; ++j)
- output[j * short_pitch + i] = (temp_out[j] + 8) >> 4;
+ output[j * short_pitch + i] = ROUND_POWER_OF_TWO(temp_out[j], 4);
}
}
@@ -373,7 +369,7 @@
if (!(x0 | x1 | x2 | x3 | x4 | x5 | x6 | x7)) {
output[0] = output[1] = output[2] = output[3] = output[4]
- = output[5] = output[6] = output[7] = 0;
+ = output[5] = output[6] = output[7] = 0;
return;
}
@@ -483,7 +479,7 @@
temp_in[j] = out[j * 8 + i];
invc(temp_in, temp_out);
for (j = 0; j < 8; ++j)
- output[j * short_pitch + i] = (temp_out[j] + 16) >> 5;
+ output[j * short_pitch + i] = ROUND_POWER_OF_TWO(temp_out[j], 5);
}
}
@@ -509,14 +505,14 @@
temp_in[j] = out[j * 8 + i];
idct8_1d(temp_in, temp_out);
for (j = 0; j < 8; ++j)
- output[j * short_pitch + i] = (temp_out[j] + 16) >> 5;
+ output[j * short_pitch + i] = ROUND_POWER_OF_TWO(temp_out[j], 5);
}
}
void vp9_short_idct1_8x8_c(int16_t *input, int16_t *output) {
int16_t out = dct_const_round_shift(input[0] * cospi_16_64);
out = dct_const_round_shift(out * cospi_16_64);
- output[0] = (out + 16) >> 5;
+ output[0] = ROUND_POWER_OF_TWO(out, 5);
}
void idct16_1d(int16_t *input, int16_t *output) {
@@ -703,7 +699,7 @@
temp_in[j] = out[j * 16 + i];
idct16_1d(temp_in, temp_out);
for (j = 0; j < 16; ++j)
- output[j * 16 + i] = (temp_out[j] + 32) >> 6;
+ output[j * 16 + i] = ROUND_POWER_OF_TWO(temp_out[j], 6);
}
}
@@ -924,7 +920,7 @@
temp_in[j] = out[j * 16 + i];
invc(temp_in, temp_out);
for (j = 0; j < 16; ++j)
- output[j * 16 + i] = (temp_out[j] + 32) >> 6;
+ output[j * 16 + i] = ROUND_POWER_OF_TWO(temp_out[j], 6);
}
}
@@ -951,19 +947,15 @@
temp_in[j] = out[j*16 + i];
idct16_1d(temp_in, temp_out);
for (j = 0; j < 16; ++j)
- output[j*16 + i] = (temp_out[j] + 32) >> 6;
+ output[j*16 + i] = ROUND_POWER_OF_TWO(temp_out[j], 6);
}
}
void vp9_short_idct1_16x16_c(int16_t *input, int16_t *output) {
- int tmp;
- int16_t out;
- tmp = input[0] * cospi_16_64;
- out = dct_const_round_shift(tmp);
- tmp = out * cospi_16_64;
- out = dct_const_round_shift(tmp);
- *output = (out + 32) >> 6;
+ int16_t out = dct_const_round_shift(input[0] * cospi_16_64);
+ out = dct_const_round_shift(out * cospi_16_64);
+ output[0] = ROUND_POWER_OF_TWO(out, 6);
}
void idct32_1d(int16_t *input, int16_t *output) {
@@ -1352,12 +1344,12 @@
temp_in[j] = out[j * 32 + i];
idct32_1d(temp_in, temp_out);
for (j = 0; j < 32; ++j)
- output[j * 32 + i] = (temp_out[j] + 32) >> 6;
+ output[j * 32 + i] = ROUND_POWER_OF_TWO(temp_out[j], 6);
}
}
void vp9_short_idct1_32x32_c(int16_t *input, int16_t *output) {
int16_t out = dct_const_round_shift(input[0] * cospi_16_64);
out = dct_const_round_shift(out * cospi_16_64);
- output[0] = (out + 32) >> 6;
+ output[0] = ROUND_POWER_OF_TWO(out, 6);
}
diff --git a/vp9/encoder/vp9_dct.c b/vp9/encoder/vp9_dct.c
index a371eeb..e2f3e26 100644
--- a/vp9/encoder/vp9_dct.c
+++ b/vp9/encoder/vp9_dct.c
@@ -728,10 +728,10 @@
// column transform
for (i = 0; i < 16; ++i) {
for (j = 0; j < 16; ++j)
- temp_in[j] = input[j * short_pitch + i];
+ temp_in[j] = input[j * short_pitch + i] << 2;
fwdc(temp_in, temp_out);
for (j = 0; j < 16; ++j)
- outptr[j * 16 + i] = temp_out[j];
+ outptr[j * 16 + i] = (temp_out[j] + 1 + (temp_out[j] > 0)) >> 2;
}
// row transform
diff --git a/vp9/encoder/vp9_firstpass.c b/vp9/encoder/vp9_firstpass.c
index 0a407df..a492487 100644
--- a/vp9/encoder/vp9_firstpass.c
+++ b/vp9/encoder/vp9_firstpass.c
@@ -844,16 +844,13 @@
power_term = (vp9_convert_qindex_to_q(Q) * 0.01) + pt_low;
power_term = (power_term > pt_high) ? pt_high : power_term;
- // Adjustments to error term
- // TBD
-
// Calculate correction factor
correction_factor = pow(error_term, power_term);
// Clip range
correction_factor =
(correction_factor < 0.05)
- ? 0.05 : (correction_factor > 2.0) ? 2.0 : correction_factor;
+ ? 0.05 : (correction_factor > 5.0) ? 5.0 : correction_factor;
return correction_factor;
}
@@ -887,8 +884,7 @@
static int estimate_max_q(VP9_COMP *cpi,
FIRSTPASS_STATS *fpstats,
- int section_target_bandwitdh,
- int overhead_bits) {
+ int section_target_bandwitdh) {
int Q;
int num_mbs = cpi->common.MBs;
int target_norm_bits_per_mb;
@@ -899,7 +895,6 @@
double err_per_mb = section_err / num_mbs;
double err_correction_factor;
double speed_correction = 1.0;
- double overhead_bits_per_mb;
if (section_target_bandwitdh <= 0)
return cpi->twopass.maxq_max_limit; // Highest value allowed
@@ -951,13 +946,6 @@
speed_correction = 1.25;
}
- // Estimate of overhead bits per mb
- // Correction to overhead bits for min allowed Q.
- // PGW TODO.. This code is broken for the extended Q range
- // for now overhead set to 0.
- overhead_bits_per_mb = overhead_bits / num_mbs;
- overhead_bits_per_mb *= pow(0.98, (double)cpi->twopass.maxq_min_limit);
-
// Try and pick a max Q that will be high enough to encode the
// content at the given rate.
for (Q = cpi->twopass.maxq_min_limit; Q < cpi->twopass.maxq_max_limit; Q++) {
@@ -968,23 +956,9 @@
sr_correction * speed_correction *
cpi->twopass.est_max_qcorrection_factor;
- if (err_correction_factor < 0.05)
- err_correction_factor = 0.05;
- else if (err_correction_factor > 5.0)
- err_correction_factor = 5.0;
bits_per_mb_at_this_q =
- vp9_bits_per_mb(INTER_FRAME, Q) + (int)overhead_bits_per_mb;
-
- bits_per_mb_at_this_q = (int)(.5 + err_correction_factor *
- (double)bits_per_mb_at_this_q);
-
- // Mode and motion overhead
- // As Q rises in real encode loop rd code will force overhead down
- // We make a crude adjustment for this here as *.98 per Q step.
- // PGW TODO.. This code is broken for the extended Q range
- // for now overhead set to 0.
- // overhead_bits_per_mb = (int)((double)overhead_bits_per_mb * 0.98);
+ vp9_bits_per_mb(INTER_FRAME, Q, err_correction_factor);
if (bits_per_mb_at_this_q <= target_norm_bits_per_mb)
break;
@@ -1002,7 +976,7 @@
// PGW TODO.. This code is broken for the extended Q range
if ((cpi->ni_frames >
((int)cpi->twopass.total_stats->count >> 8)) &&
- (cpi->ni_frames > 150)) {
+ (cpi->ni_frames > 25)) {
adjust_maxq_qrange(cpi);
}
@@ -1013,8 +987,7 @@
// complexity and data rate.
static int estimate_cq(VP9_COMP *cpi,
FIRSTPASS_STATS *fpstats,
- int section_target_bandwitdh,
- int overhead_bits) {
+ int section_target_bandwitdh) {
int Q;
int num_mbs = cpi->common.MBs;
int target_norm_bits_per_mb;
@@ -1027,15 +1000,11 @@
double speed_correction = 1.0;
double clip_iiratio;
double clip_iifactor;
- double overhead_bits_per_mb;
-
target_norm_bits_per_mb = (section_target_bandwitdh < (1 << 20))
? (512 * section_target_bandwitdh) / num_mbs
: 512 * (section_target_bandwitdh / num_mbs);
- // Estimate of overhead bits per mb
- overhead_bits_per_mb = overhead_bits / num_mbs;
// Corrections for higher compression speed settings
// (reduced compression expected)
@@ -1074,23 +1043,8 @@
calc_correction_factor(err_per_mb, 100.0, 0.4, 0.90, Q) *
sr_correction * speed_correction * clip_iifactor;
- if (err_correction_factor < 0.05)
- err_correction_factor = 0.05;
- else if (err_correction_factor > 5.0)
- err_correction_factor = 5.0;
-
bits_per_mb_at_this_q =
- vp9_bits_per_mb(INTER_FRAME, Q) + (int)overhead_bits_per_mb;
-
- bits_per_mb_at_this_q = (int)(.5 + err_correction_factor *
- (double)bits_per_mb_at_this_q);
-
- // Mode and motion overhead
- // As Q rises in real encode loop rd code will force overhead down
- // We make a crude adjustment for this here as *.98 per Q step.
- // PGW TODO.. This code is broken for the extended Q range
- // for now overhead set to 0.
- overhead_bits_per_mb = (int)((double)overhead_bits_per_mb * 0.98);
+ vp9_bits_per_mb(INTER_FRAME, Q, err_correction_factor);
if (bits_per_mb_at_this_q <= target_norm_bits_per_mb)
break;
@@ -1953,8 +1907,6 @@
double this_frame_intra_error;
double this_frame_coded_error;
- int overhead_bits;
-
if (!cpi->twopass.stats_in) {
return;
}
@@ -2018,11 +1970,6 @@
if (cpi->target_bandwidth < 0)
cpi->target_bandwidth = 0;
-
- // Account for mv, mode and other overheads.
- overhead_bits = (int)estimate_modemvcost(
- cpi, cpi->twopass.total_left_stats);
-
// Special case code for first frame.
if (cpi->common.current_video_frame == 0) {
cpi->twopass.est_max_qcorrection_factor = 1.0;
@@ -2034,8 +1981,7 @@
est_cq =
estimate_cq(cpi,
cpi->twopass.total_left_stats,
- (int)(cpi->twopass.bits_left / frames_left),
- overhead_bits);
+ (int)(cpi->twopass.bits_left / frames_left));
cpi->cq_target_quality = cpi->oxcf.cq_level;
if (est_cq > cpi->cq_target_quality)
@@ -2049,21 +1995,23 @@
tmp_q = estimate_max_q(
cpi,
cpi->twopass.total_left_stats,
- (int)(cpi->twopass.bits_left / frames_left),
- overhead_bits);
+ (int)(cpi->twopass.bits_left / frames_left));
cpi->active_worst_quality = tmp_q;
cpi->ni_av_qi = tmp_q;
cpi->avg_q = vp9_convert_qindex_to_q(tmp_q);
+#ifndef ONE_SHOT_Q_ESTIMATE
// Limit the maxq value returned subsequently.
// This increases the risk of overspend or underspend if the initial
// estimate for the clip is bad, but helps prevent excessive
// variation in Q, especially near the end of a clip
// where for example a small overspend may cause Q to crash
adjust_maxq_qrange(cpi);
+#endif
}
+#ifndef ONE_SHOT_Q_ESTIMATE
// The last few frames of a clip almost always have to few or too many
// bits and for the sake of over exact rate control we dont want to make
// radical adjustments to the allowed quantizer range just to use up a
@@ -2078,13 +2026,13 @@
tmp_q = estimate_max_q(
cpi,
cpi->twopass.total_left_stats,
- (int)(cpi->twopass.bits_left / frames_left),
- overhead_bits);
+ (int)(cpi->twopass.bits_left / frames_left));
// Make a damped adjustment to active max Q
cpi->active_worst_quality =
adjust_active_maxq(cpi->active_worst_quality, tmp_q);
}
+#endif
cpi->twopass.frames_to_key--;
@@ -2092,7 +2040,6 @@
subtract_stats(cpi->twopass.total_left_stats, &this_frame);
}
-
static int test_candidate_kf(VP9_COMP *cpi,
FIRSTPASS_STATS *last_frame,
FIRSTPASS_STATS *this_frame,
diff --git a/vp9/encoder/vp9_onyx_if.c b/vp9/encoder/vp9_onyx_if.c
index 40a1263..feb1e36 100644
--- a/vp9/encoder/vp9_onyx_if.c
+++ b/vp9/encoder/vp9_onyx_if.c
@@ -3321,11 +3321,19 @@
if (cpi->bits_off_target > cpi->oxcf.maximum_buffer_size)
cpi->bits_off_target = cpi->oxcf.maximum_buffer_size;
- // Rolling monitors of whether we are over or underspending used to help regulate min and Max Q in two pass.
- cpi->rolling_target_bits = ((cpi->rolling_target_bits * 3) + cpi->this_frame_target + 2) / 4;
- cpi->rolling_actual_bits = ((cpi->rolling_actual_bits * 3) + cpi->projected_frame_size + 2) / 4;
- cpi->long_rolling_target_bits = ((cpi->long_rolling_target_bits * 31) + cpi->this_frame_target + 16) / 32;
- cpi->long_rolling_actual_bits = ((cpi->long_rolling_actual_bits * 31) + cpi->projected_frame_size + 16) / 32;
+ // Rolling monitors of whether we are over or underspending used to help
+ // regulate min and Max Q in two pass.
+ if (cm->frame_type != KEY_FRAME) {
+ cpi->rolling_target_bits =
+ ((cpi->rolling_target_bits * 3) + cpi->this_frame_target + 2) / 4;
+ cpi->rolling_actual_bits =
+ ((cpi->rolling_actual_bits * 3) + cpi->projected_frame_size + 2) / 4;
+ cpi->long_rolling_target_bits =
+ ((cpi->long_rolling_target_bits * 31) + cpi->this_frame_target + 16) / 32;
+ cpi->long_rolling_actual_bits =
+ ((cpi->long_rolling_actual_bits * 31) +
+ cpi->projected_frame_size + 16) / 32;
+ }
// Actual bits spent
cpi->total_actual_bits += cpi->projected_frame_size;
@@ -3551,7 +3559,12 @@
vp9_second_pass(cpi);
encode_frame_to_data_rate(cpi, size, dest, frame_flags);
+
+#ifdef DISABLE_RC_LONG_TERM_MEM
+ cpi->twopass.bits_left -= cpi->this_frame_target;
+#else
cpi->twopass.bits_left -= 8 * *size;
+#endif
if (!cpi->refresh_alt_ref_frame) {
double lower_bounds_min_rate = FRAME_OVERHEAD_BITS * cpi->oxcf.frame_rate;
diff --git a/vp9/encoder/vp9_onyx_int.h b/vp9/encoder/vp9_onyx_int.h
index 6b9bf87..9b509ea 100644
--- a/vp9/encoder/vp9_onyx_int.h
+++ b/vp9/encoder/vp9_onyx_int.h
@@ -29,6 +29,10 @@
#include "vp9/common/vp9_findnearmv.h"
#include "vp9/encoder/vp9_lookahead.h"
+// Experimental rate control switches
+// #define ONE_SHOT_Q_ESTIMATE 1
+// #define DISABLE_RC_LONG_TERM_MEM 1
+
// #define SPEEDSTATS 1
#define MIN_GF_INTERVAL 4
#define DEFAULT_GF_INTERVAL 7
diff --git a/vp9/encoder/vp9_ratectrl.c b/vp9/encoder/vp9_ratectrl.c
index 53d931c..a2a7957 100644
--- a/vp9/encoder/vp9_ratectrl.c
+++ b/vp9/encoder/vp9_ratectrl.c
@@ -114,13 +114,19 @@
return retval;
}
-int vp9_bits_per_mb(FRAME_TYPE frame_type, int qindex) {
- if (frame_type == KEY_FRAME)
- return (int)(4500000 / vp9_convert_qindex_to_q(qindex));
- else
- return (int)(2850000 / vp9_convert_qindex_to_q(qindex));
-}
+int vp9_bits_per_mb(FRAME_TYPE frame_type, int qindex,
+ double correction_factor) {
+ int enumerator;
+ double q = vp9_convert_qindex_to_q(qindex);
+ if (frame_type == KEY_FRAME) {
+ enumerator = 4500000;
+ } else {
+ enumerator = 2850000;
+ }
+
+ return (int)(0.5 + (enumerator * correction_factor / q));
+}
void vp9_save_coding_context(VP9_COMP *cpi) {
CODING_CONTEXT *const cc = &cpi->coding_context;
@@ -259,7 +265,7 @@
static int estimate_bits_at_q(int frame_kind, int Q, int MBs,
double correction_factor) {
- int Bpm = (int)(.5 + correction_factor * vp9_bits_per_mb(frame_kind, Q));
+ int Bpm = (int)(vp9_bits_per_mb(frame_kind, Q, correction_factor));
/* Attempt to retain reasonable accuracy without overflow. The cutoff is
* chosen such that the maximum product of Bpm and MBs fits 31 bits. The
@@ -397,12 +403,12 @@
rate_correction_factor = cpi->rate_correction_factor;
}
- // Work out how big we would have expected the frame to be at this Q given the current correction factor.
+ // Work out how big we would have expected the frame to be at this Q given
+ // the current correction factor.
// Stay in double to avoid int overflow when values are large
projected_size_based_on_q =
- (int)(((.5 + rate_correction_factor *
- vp9_bits_per_mb(cpi->common.frame_type, Q)) *
- cpi->common.MBs) / (1 << BPER_MB_NORMBITS));
+ estimate_bits_at_q(cpi->common.frame_type, Q,
+ cpi->common.MBs, rate_correction_factor);
// Work out a size correction factor.
// if ( cpi->this_frame_target > 0 )
@@ -485,8 +491,7 @@
do {
bits_per_mb_at_this_q =
- (int)(.5 + correction_factor *
- vp9_bits_per_mb(cpi->common.frame_type, i));
+ (int)(vp9_bits_per_mb(cpi->common.frame_type, i, correction_factor));
if (bits_per_mb_at_this_q <= target_bits_per_mb) {
if ((target_bits_per_mb - bits_per_mb_at_this_q) <= last_error)
diff --git a/vp9/encoder/vp9_ratectrl.h b/vp9/encoder/vp9_ratectrl.h
index c5817d7..4733176 100644
--- a/vp9/encoder/vp9_ratectrl.h
+++ b/vp9/encoder/vp9_ratectrl.h
@@ -32,7 +32,8 @@
double vp9_convert_qindex_to_q(int qindex);
int vp9_gfboost_qadjust(int qindex);
-int vp9_bits_per_mb(FRAME_TYPE frame_type, int qindex);
+extern int vp9_bits_per_mb(FRAME_TYPE frame_type, int qindex,
+ double correction_factor);
void vp9_setup_inter_frame(VP9_COMP *cpi);
#endif // VP9_ENCODER_VP9_RATECTRL_H_