Merge "Move svc layer_context to separate file."
This commit is contained in:
Marco Paniconi
Gerrit Code Review
commit
07fbd70e38
@ -40,6 +40,7 @@
|
||||
#include "vp9/encoder/vp9_temporal_filter.h"
|
||||
#include "vp9/encoder/vp9_vaq.h"
|
||||
#include "vp9/encoder/vp9_resize.h"
|
||||
#include "vp9/encoder/vp9_svc_layercontext.h"
|
||||
|
||||
void vp9_coef_tree_initialize();
|
||||
|
||||
@ -1109,10 +1110,9 @@ static void update_frame_size(VP9_COMP *cpi) {
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
// Table that converts 0-63 Q range values passed in outside to the Qindex
|
||||
// range used internally.
|
||||
static const int q_trans[] = {
|
||||
const int q_trans[] = {
|
||||
0, 4, 8, 12, 16, 20, 24, 28,
|
||||
32, 36, 40, 44, 48, 52, 56, 60,
|
||||
64, 68, 72, 76, 80, 84, 88, 92,
|
||||
@ -1181,7 +1181,7 @@ void vp9_new_framerate(VP9_COMP *cpi, double framerate) {
|
||||
rc->max_gf_interval = rc->static_scene_max_gf_interval;
|
||||
}
|
||||
|
||||
static int64_t rescale(int64_t val, int64_t num, int denom) {
|
||||
int64_t vp9_rescale(int64_t val, int64_t num, int denom) {
|
||||
int64_t llnum = num;
|
||||
int64_t llden = denom;
|
||||
int64_t llval = val;
|
||||
@ -1189,124 +1189,6 @@ static int64_t rescale(int64_t val, int64_t num, int denom) {
|
||||
return (llval * llnum / llden);
|
||||
}
|
||||
|
||||
// Initialize layer context data from init_config().
|
||||
static void init_layer_context(VP9_COMP *const cpi) {
|
||||
const VP9_CONFIG *const oxcf = &cpi->oxcf;
|
||||
int temporal_layer = 0;
|
||||
cpi->svc.spatial_layer_id = 0;
|
||||
cpi->svc.temporal_layer_id = 0;
|
||||
for (temporal_layer = 0; temporal_layer < cpi->svc.number_temporal_layers;
|
||||
++temporal_layer) {
|
||||
LAYER_CONTEXT *const lc = &cpi->svc.layer_context[temporal_layer];
|
||||
RATE_CONTROL *const lrc = &lc->rc;
|
||||
lrc->avg_frame_qindex[INTER_FRAME] = q_trans[oxcf->worst_allowed_q];
|
||||
lrc->last_q[INTER_FRAME] = q_trans[oxcf->worst_allowed_q];
|
||||
lrc->ni_av_qi = q_trans[oxcf->worst_allowed_q];
|
||||
lrc->total_actual_bits = 0;
|
||||
lrc->total_target_vs_actual = 0;
|
||||
lrc->ni_tot_qi = 0;
|
||||
lrc->tot_q = 0.0;
|
||||
lrc->avg_q = 0.0;
|
||||
lrc->ni_frames = 0;
|
||||
lrc->decimation_count = 0;
|
||||
lrc->decimation_factor = 0;
|
||||
lrc->rate_correction_factor = 1.0;
|
||||
lrc->key_frame_rate_correction_factor = 1.0;
|
||||
lc->target_bandwidth = oxcf->ts_target_bitrate[temporal_layer] *
|
||||
1000;
|
||||
lrc->buffer_level = rescale((int)(oxcf->starting_buffer_level),
|
||||
lc->target_bandwidth, 1000);
|
||||
lrc->bits_off_target = lrc->buffer_level;
|
||||
}
|
||||
}
|
||||
|
||||
// Update the layer context from a change_config() call.
|
||||
static void update_layer_context_change_config(VP9_COMP *const cpi,
|
||||
const int target_bandwidth) {
|
||||
const VP9_CONFIG *const oxcf = &cpi->oxcf;
|
||||
const RATE_CONTROL *const rc = &cpi->rc;
|
||||
int temporal_layer = 0;
|
||||
float bitrate_alloc = 1.0;
|
||||
for (temporal_layer = 0; temporal_layer < cpi->svc.number_temporal_layers;
|
||||
++temporal_layer) {
|
||||
LAYER_CONTEXT *const lc = &cpi->svc.layer_context[temporal_layer];
|
||||
RATE_CONTROL *const lrc = &lc->rc;
|
||||
lc->target_bandwidth = oxcf->ts_target_bitrate[temporal_layer] * 1000;
|
||||
bitrate_alloc = (float)lc->target_bandwidth / (float)target_bandwidth;
|
||||
// Update buffer-related quantities.
|
||||
lc->starting_buffer_level =
|
||||
(int64_t)(oxcf->starting_buffer_level * bitrate_alloc);
|
||||
lc->optimal_buffer_level =
|
||||
(int64_t)(oxcf->optimal_buffer_level * bitrate_alloc);
|
||||
lc->maximum_buffer_size =
|
||||
(int64_t)(oxcf->maximum_buffer_size * bitrate_alloc);
|
||||
lrc->bits_off_target = MIN(lrc->bits_off_target, lc->maximum_buffer_size);
|
||||
lrc->buffer_level = MIN(lrc->buffer_level, lc->maximum_buffer_size);
|
||||
// Update framerate-related quantities.
|
||||
lc->framerate = oxcf->framerate / oxcf->ts_rate_decimator[temporal_layer];
|
||||
lrc->av_per_frame_bandwidth = (int)(lc->target_bandwidth / lc->framerate);
|
||||
lrc->max_frame_bandwidth = rc->max_frame_bandwidth;
|
||||
// Update qp-related quantities.
|
||||
lrc->worst_quality = rc->worst_quality;
|
||||
lrc->best_quality = rc->best_quality;
|
||||
}
|
||||
}
|
||||
|
||||
// Prior to encoding the frame, update framerate-related quantities
|
||||
// for the current layer.
|
||||
static void update_layer_framerate(VP9_COMP *const cpi) {
|
||||
int temporal_layer = cpi->svc.temporal_layer_id;
|
||||
const VP9_CONFIG *const oxcf = &cpi->oxcf;
|
||||
LAYER_CONTEXT *const lc = &cpi->svc.layer_context[temporal_layer];
|
||||
RATE_CONTROL *const lrc = &lc->rc;
|
||||
lc->framerate = oxcf->framerate / oxcf->ts_rate_decimator[temporal_layer];
|
||||
lrc->av_per_frame_bandwidth = (int)(lc->target_bandwidth / lc->framerate);
|
||||
lrc->max_frame_bandwidth = cpi->rc.max_frame_bandwidth;
|
||||
// Update the average layer frame size (non-cumulative per-frame-bw).
|
||||
if (temporal_layer == 0) {
|
||||
lc->avg_frame_size = lrc->av_per_frame_bandwidth;
|
||||
} else {
|
||||
double prev_layer_framerate = oxcf->framerate /
|
||||
oxcf->ts_rate_decimator[temporal_layer - 1];
|
||||
int prev_layer_target_bandwidth =
|
||||
oxcf->ts_target_bitrate[temporal_layer - 1] * 1000;
|
||||
lc->avg_frame_size =
|
||||
(int)((lc->target_bandwidth - prev_layer_target_bandwidth) /
|
||||
(lc->framerate - prev_layer_framerate));
|
||||
}
|
||||
}
|
||||
|
||||
// Prior to encoding the frame, set the layer context, for the current layer
|
||||
// to be encoded, to the cpi struct.
|
||||
static void restore_layer_context(VP9_COMP *const cpi) {
|
||||
int temporal_layer = cpi->svc.temporal_layer_id;
|
||||
LAYER_CONTEXT *lc = &cpi->svc.layer_context[temporal_layer];
|
||||
int frame_since_key = cpi->rc.frames_since_key;
|
||||
int frame_to_key = cpi->rc.frames_to_key;
|
||||
cpi->rc = lc->rc;
|
||||
cpi->oxcf.target_bandwidth = lc->target_bandwidth;
|
||||
cpi->oxcf.starting_buffer_level = lc->starting_buffer_level;
|
||||
cpi->oxcf.optimal_buffer_level = lc->optimal_buffer_level;
|
||||
cpi->oxcf.maximum_buffer_size = lc->maximum_buffer_size;
|
||||
cpi->output_framerate = lc->framerate;
|
||||
// Reset the frames_since_key and frames_to_key counters to their values
|
||||
// before the layer restore. Keep these defined for the stream (not layer).
|
||||
cpi->rc.frames_since_key = frame_since_key;
|
||||
cpi->rc.frames_to_key = frame_to_key;
|
||||
}
|
||||
|
||||
// Save the layer context after encoding the frame.
|
||||
static void save_layer_context(VP9_COMP *const cpi) {
|
||||
int temporal_layer = cpi->svc.temporal_layer_id;
|
||||
LAYER_CONTEXT *lc = &cpi->svc.layer_context[temporal_layer];
|
||||
lc->rc = cpi->rc;
|
||||
lc->target_bandwidth = (int)cpi->oxcf.target_bandwidth;
|
||||
lc->starting_buffer_level = cpi->oxcf.starting_buffer_level;
|
||||
lc->optimal_buffer_level = cpi->oxcf.optimal_buffer_level;
|
||||
lc->maximum_buffer_size = cpi->oxcf.maximum_buffer_size;
|
||||
lc->framerate = cpi->output_framerate;
|
||||
}
|
||||
|
||||
static void set_tile_limits(VP9_COMP *cpi) {
|
||||
VP9_COMMON *const cm = &cpi->common;
|
||||
|
||||
@ -1339,7 +1221,7 @@ static void init_config(struct VP9_COMP *cpi, VP9_CONFIG *oxcf) {
|
||||
|
||||
if (cpi->svc.number_temporal_layers > 1 &&
|
||||
cpi->oxcf.end_usage == USAGE_STREAM_FROM_SERVER) {
|
||||
init_layer_context(cpi);
|
||||
vp9_init_layer_context(cpi);
|
||||
}
|
||||
|
||||
// change includes all joint functionality
|
||||
@ -1468,21 +1350,24 @@ void vp9_change_config(struct VP9_COMP *cpi, VP9_CONFIG *oxcf) {
|
||||
// Convert target bandwidth from Kbit/s to Bit/s
|
||||
cpi->oxcf.target_bandwidth *= 1000;
|
||||
|
||||
cpi->oxcf.starting_buffer_level = rescale(cpi->oxcf.starting_buffer_level,
|
||||
cpi->oxcf.target_bandwidth, 1000);
|
||||
cpi->oxcf.starting_buffer_level =
|
||||
vp9_rescale(cpi->oxcf.starting_buffer_level,
|
||||
cpi->oxcf.target_bandwidth, 1000);
|
||||
|
||||
// Set or reset optimal and maximum buffer levels.
|
||||
if (cpi->oxcf.optimal_buffer_level == 0)
|
||||
cpi->oxcf.optimal_buffer_level = cpi->oxcf.target_bandwidth / 8;
|
||||
else
|
||||
cpi->oxcf.optimal_buffer_level = rescale(cpi->oxcf.optimal_buffer_level,
|
||||
cpi->oxcf.target_bandwidth, 1000);
|
||||
cpi->oxcf.optimal_buffer_level =
|
||||
vp9_rescale(cpi->oxcf.optimal_buffer_level,
|
||||
cpi->oxcf.target_bandwidth, 1000);
|
||||
|
||||
if (cpi->oxcf.maximum_buffer_size == 0)
|
||||
cpi->oxcf.maximum_buffer_size = cpi->oxcf.target_bandwidth / 8;
|
||||
else
|
||||
cpi->oxcf.maximum_buffer_size = rescale(cpi->oxcf.maximum_buffer_size,
|
||||
cpi->oxcf.target_bandwidth, 1000);
|
||||
cpi->oxcf.maximum_buffer_size =
|
||||
vp9_rescale(cpi->oxcf.maximum_buffer_size,
|
||||
cpi->oxcf.target_bandwidth, 1000);
|
||||
// Under a configuration change, where maximum_buffer_size may change,
|
||||
// keep buffer level clipped to the maximum allowed buffer size.
|
||||
cpi->rc.bits_off_target = MIN(cpi->rc.bits_off_target,
|
||||
@ -1522,7 +1407,8 @@ void vp9_change_config(struct VP9_COMP *cpi, VP9_CONFIG *oxcf) {
|
||||
|
||||
if (cpi->svc.number_temporal_layers > 1 &&
|
||||
cpi->oxcf.end_usage == USAGE_STREAM_FROM_SERVER) {
|
||||
update_layer_context_change_config(cpi, (int)cpi->oxcf.target_bandwidth);
|
||||
vp9_update_layer_context_change_config(cpi,
|
||||
(int)cpi->oxcf.target_bandwidth);
|
||||
}
|
||||
|
||||
cpi->speed = abs(cpi->oxcf.cpu_used);
|
||||
@ -3671,8 +3557,8 @@ int vp9_get_compressed_data(VP9_COMP *cpi, unsigned int *frame_flags,
|
||||
|
||||
if (cpi->svc.number_temporal_layers > 1 &&
|
||||
cpi->oxcf.end_usage == USAGE_STREAM_FROM_SERVER) {
|
||||
update_layer_framerate(cpi);
|
||||
restore_layer_context(cpi);
|
||||
vp9_update_layer_framerate(cpi);
|
||||
vp9_restore_layer_context(cpi);
|
||||
}
|
||||
|
||||
// start with a 0 size frame
|
||||
@ -3754,7 +3640,7 @@ int vp9_get_compressed_data(VP9_COMP *cpi, unsigned int *frame_flags,
|
||||
// Save layer specific state.
|
||||
if (cpi->svc.number_temporal_layers > 1 &&
|
||||
cpi->oxcf.end_usage == USAGE_STREAM_FROM_SERVER) {
|
||||
save_layer_context(cpi);
|
||||
vp9_save_layer_context(cpi);
|
||||
}
|
||||
|
||||
vpx_usec_timer_mark(&cmptimer);
|
||||
|
||||
@ -30,6 +30,7 @@
|
||||
#include "vp9/encoder/vp9_mcomp.h"
|
||||
#include "vp9/encoder/vp9_quantize.h"
|
||||
#include "vp9/encoder/vp9_ratectrl.h"
|
||||
#include "vp9/encoder/vp9_svc_layercontext.h"
|
||||
#include "vp9/encoder/vp9_tokenize.h"
|
||||
#include "vp9/encoder/vp9_variance.h"
|
||||
|
||||
@ -432,16 +433,6 @@ typedef struct {
|
||||
BLOCK_SIZE max_intra_bsize;
|
||||
} SPEED_FEATURES;
|
||||
|
||||
typedef struct {
|
||||
RATE_CONTROL rc;
|
||||
int target_bandwidth;
|
||||
int64_t starting_buffer_level;
|
||||
int64_t optimal_buffer_level;
|
||||
int64_t maximum_buffer_size;
|
||||
double framerate;
|
||||
int avg_frame_size;
|
||||
} LAYER_CONTEXT;
|
||||
|
||||
typedef enum {
|
||||
NORMAL = 0,
|
||||
FOURFIVE = 1,
|
||||
@ -822,15 +813,7 @@ typedef struct VP9_COMP {
|
||||
|
||||
int use_svc;
|
||||
|
||||
struct svc {
|
||||
int spatial_layer_id;
|
||||
int temporal_layer_id;
|
||||
int number_spatial_layers;
|
||||
int number_temporal_layers;
|
||||
// Layer context used for rate control in CBR mode, only defined for
|
||||
// temporal layers for now.
|
||||
LAYER_CONTEXT layer_context[VPX_TS_MAX_LAYERS];
|
||||
} svc;
|
||||
SVC svc;
|
||||
|
||||
#if CONFIG_MULTIPLE_ARF
|
||||
// ARF tracking variables.
|
||||
@ -943,6 +926,10 @@ static int get_token_alloc(int mb_rows, int mb_cols) {
|
||||
return mb_rows * mb_cols * (48 * 16 + 4);
|
||||
}
|
||||
|
||||
extern const int q_trans[];
|
||||
|
||||
int64_t vp9_rescale(int64_t val, int64_t num, int denom);
|
||||
|
||||
static void set_ref_ptrs(VP9_COMMON *cm, MACROBLOCKD *xd,
|
||||
MV_REFERENCE_FRAME ref0, MV_REFERENCE_FRAME ref1) {
|
||||
xd->block_refs[0] = &cm->frame_refs[ref0 >= LAST_FRAME ? ref0 - LAST_FRAME
|
||||
|
||||
@ -12,6 +12,10 @@
|
||||
#ifndef VP9_ENCODER_VP9_RATECTRL_H_
|
||||
#define VP9_ENCODER_VP9_RATECTRL_H_
|
||||
|
||||
#include "vpx/vpx_integer.h"
|
||||
|
||||
#include "vp9/common/vp9_blockd.h"
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
127
vp9/encoder/vp9_svc_layercontext.c
Normal file
127
vp9/encoder/vp9_svc_layercontext.c
Normal file
@ -0,0 +1,127 @@
|
||||
/*
|
||||
* Copyright (c) 2014 The WebM project authors. All Rights Reserved.
|
||||
*
|
||||
* Use of this source code is governed by a BSD-style license
|
||||
* that can be found in the LICENSE file in the root of the source
|
||||
* tree. An additional intellectual property rights grant can be found
|
||||
* in the file PATENTS. All contributing project authors may
|
||||
* be found in the AUTHORS file in the root of the source tree.
|
||||
*/
|
||||
|
||||
#include <math.h>
|
||||
|
||||
#include "vp9/encoder/vp9_onyx_int.h"
|
||||
#include "vp9/encoder/vp9_svc_layercontext.h"
|
||||
|
||||
void vp9_init_layer_context(VP9_COMP *const cpi) {
|
||||
const VP9_CONFIG *const oxcf = &cpi->oxcf;
|
||||
int temporal_layer = 0;
|
||||
cpi->svc.spatial_layer_id = 0;
|
||||
cpi->svc.temporal_layer_id = 0;
|
||||
for (temporal_layer = 0; temporal_layer < cpi->svc.number_temporal_layers;
|
||||
++temporal_layer) {
|
||||
LAYER_CONTEXT *const lc = &cpi->svc.layer_context[temporal_layer];
|
||||
RATE_CONTROL *const lrc = &lc->rc;
|
||||
lrc->avg_frame_qindex[INTER_FRAME] = q_trans[oxcf->worst_allowed_q];
|
||||
lrc->last_q[INTER_FRAME] = q_trans[oxcf->worst_allowed_q];
|
||||
lrc->ni_av_qi = q_trans[oxcf->worst_allowed_q];
|
||||
lrc->total_actual_bits = 0;
|
||||
lrc->total_target_vs_actual = 0;
|
||||
lrc->ni_tot_qi = 0;
|
||||
lrc->tot_q = 0.0;
|
||||
lrc->avg_q = 0.0;
|
||||
lrc->ni_frames = 0;
|
||||
lrc->decimation_count = 0;
|
||||
lrc->decimation_factor = 0;
|
||||
lrc->rate_correction_factor = 1.0;
|
||||
lrc->key_frame_rate_correction_factor = 1.0;
|
||||
lc->target_bandwidth = oxcf->ts_target_bitrate[temporal_layer] *
|
||||
1000;
|
||||
lrc->buffer_level =
|
||||
vp9_rescale((int)(oxcf->starting_buffer_level),
|
||||
lc->target_bandwidth, 1000);
|
||||
lrc->bits_off_target = lrc->buffer_level;
|
||||
}
|
||||
}
|
||||
|
||||
// Update the layer context from a change_config() call.
|
||||
void vp9_update_layer_context_change_config(VP9_COMP *const cpi,
|
||||
const int target_bandwidth) {
|
||||
const VP9_CONFIG *const oxcf = &cpi->oxcf;
|
||||
const RATE_CONTROL *const rc = &cpi->rc;
|
||||
int temporal_layer = 0;
|
||||
float bitrate_alloc = 1.0;
|
||||
for (temporal_layer = 0; temporal_layer < cpi->svc.number_temporal_layers;
|
||||
++temporal_layer) {
|
||||
LAYER_CONTEXT *const lc = &cpi->svc.layer_context[temporal_layer];
|
||||
RATE_CONTROL *const lrc = &lc->rc;
|
||||
lc->target_bandwidth = oxcf->ts_target_bitrate[temporal_layer] * 1000;
|
||||
bitrate_alloc = (float)lc->target_bandwidth / (float)target_bandwidth;
|
||||
// Update buffer-related quantities.
|
||||
lc->starting_buffer_level =
|
||||
(int64_t)(oxcf->starting_buffer_level * bitrate_alloc);
|
||||
lc->optimal_buffer_level =
|
||||
(int64_t)(oxcf->optimal_buffer_level * bitrate_alloc);
|
||||
lc->maximum_buffer_size =
|
||||
(int64_t)(oxcf->maximum_buffer_size * bitrate_alloc);
|
||||
lrc->bits_off_target = MIN(lrc->bits_off_target, lc->maximum_buffer_size);
|
||||
lrc->buffer_level = MIN(lrc->buffer_level, lc->maximum_buffer_size);
|
||||
// Update framerate-related quantities.
|
||||
lc->framerate = oxcf->framerate / oxcf->ts_rate_decimator[temporal_layer];
|
||||
lrc->av_per_frame_bandwidth = (int)(lc->target_bandwidth / lc->framerate);
|
||||
lrc->max_frame_bandwidth = rc->max_frame_bandwidth;
|
||||
// Update qp-related quantities.
|
||||
lrc->worst_quality = rc->worst_quality;
|
||||
lrc->best_quality = rc->best_quality;
|
||||
}
|
||||
}
|
||||
|
||||
void vp9_update_layer_framerate(VP9_COMP *const cpi) {
|
||||
int temporal_layer = cpi->svc.temporal_layer_id;
|
||||
const VP9_CONFIG *const oxcf = &cpi->oxcf;
|
||||
LAYER_CONTEXT *const lc = &cpi->svc.layer_context[temporal_layer];
|
||||
RATE_CONTROL *const lrc = &lc->rc;
|
||||
lc->framerate = oxcf->framerate / oxcf->ts_rate_decimator[temporal_layer];
|
||||
lrc->av_per_frame_bandwidth = (int)(lc->target_bandwidth / lc->framerate);
|
||||
lrc->max_frame_bandwidth = cpi->rc.max_frame_bandwidth;
|
||||
// Update the average layer frame size (non-cumulative per-frame-bw).
|
||||
if (temporal_layer == 0) {
|
||||
lc->avg_frame_size = lrc->av_per_frame_bandwidth;
|
||||
} else {
|
||||
double prev_layer_framerate = oxcf->framerate /
|
||||
oxcf->ts_rate_decimator[temporal_layer - 1];
|
||||
int prev_layer_target_bandwidth =
|
||||
oxcf->ts_target_bitrate[temporal_layer - 1] * 1000;
|
||||
lc->avg_frame_size =
|
||||
(int)((lc->target_bandwidth - prev_layer_target_bandwidth) /
|
||||
(lc->framerate - prev_layer_framerate));
|
||||
}
|
||||
}
|
||||
|
||||
void vp9_restore_layer_context(VP9_COMP *const cpi) {
|
||||
int temporal_layer = cpi->svc.temporal_layer_id;
|
||||
LAYER_CONTEXT *lc = &cpi->svc.layer_context[temporal_layer];
|
||||
int frame_since_key = cpi->rc.frames_since_key;
|
||||
int frame_to_key = cpi->rc.frames_to_key;
|
||||
cpi->rc = lc->rc;
|
||||
cpi->oxcf.target_bandwidth = lc->target_bandwidth;
|
||||
cpi->oxcf.starting_buffer_level = lc->starting_buffer_level;
|
||||
cpi->oxcf.optimal_buffer_level = lc->optimal_buffer_level;
|
||||
cpi->oxcf.maximum_buffer_size = lc->maximum_buffer_size;
|
||||
cpi->output_framerate = lc->framerate;
|
||||
// Reset the frames_since_key and frames_to_key counters to their values
|
||||
// before the layer restore. Keep these defined for the stream (not layer).
|
||||
cpi->rc.frames_since_key = frame_since_key;
|
||||
cpi->rc.frames_to_key = frame_to_key;
|
||||
}
|
||||
|
||||
void vp9_save_layer_context(VP9_COMP *const cpi) {
|
||||
int temporal_layer = cpi->svc.temporal_layer_id;
|
||||
LAYER_CONTEXT *lc = &cpi->svc.layer_context[temporal_layer];
|
||||
lc->rc = cpi->rc;
|
||||
lc->target_bandwidth = (int)cpi->oxcf.target_bandwidth;
|
||||
lc->starting_buffer_level = cpi->oxcf.starting_buffer_level;
|
||||
lc->optimal_buffer_level = cpi->oxcf.optimal_buffer_level;
|
||||
lc->maximum_buffer_size = cpi->oxcf.maximum_buffer_size;
|
||||
lc->framerate = cpi->output_framerate;
|
||||
}
|
||||
66
vp9/encoder/vp9_svc_layercontext.h
Normal file
66
vp9/encoder/vp9_svc_layercontext.h
Normal file
@ -0,0 +1,66 @@
|
||||
/*
|
||||
* Copyright (c) 2014 The WebM project authors. All Rights Reserved.
|
||||
*
|
||||
* Use of this source code is governed by a BSD-style license
|
||||
* that can be found in the LICENSE file in the root of the source
|
||||
* tree. An additional intellectual property rights grant can be found
|
||||
* in the file PATENTS. All contributing project authors may
|
||||
* be found in the AUTHORS file in the root of the source tree.
|
||||
*/
|
||||
|
||||
#ifndef VP9_ENCODER_VP9_SVC_LAYERCONTEXT_H_
|
||||
#define VP9_ENCODER_VP9_SVC_LAYERCONTEXT_H_
|
||||
|
||||
#include "vpx/vpx_encoder.h"
|
||||
|
||||
#include "vp9/encoder/vp9_ratectrl.h"
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
typedef struct {
|
||||
RATE_CONTROL rc;
|
||||
int target_bandwidth;
|
||||
int64_t starting_buffer_level;
|
||||
int64_t optimal_buffer_level;
|
||||
int64_t maximum_buffer_size;
|
||||
double framerate;
|
||||
int avg_frame_size;
|
||||
} LAYER_CONTEXT;
|
||||
|
||||
typedef struct {
|
||||
int spatial_layer_id;
|
||||
int temporal_layer_id;
|
||||
int number_spatial_layers;
|
||||
int number_temporal_layers;
|
||||
// Layer context used for rate control in CBR mode, only defined for
|
||||
// temporal layers for now.
|
||||
LAYER_CONTEXT layer_context[VPX_TS_MAX_LAYERS];
|
||||
} SVC;
|
||||
|
||||
struct VP9_COMP;
|
||||
|
||||
// Initialize layer context data from init_config().
|
||||
void vp9_init_layer_context(struct VP9_COMP *const cpi);
|
||||
|
||||
// Update the layer context from a change_config() call.
|
||||
void vp9_update_layer_context_change_config(struct VP9_COMP *const cpi,
|
||||
const int target_bandwidth);
|
||||
|
||||
// Prior to encoding the frame, update framerate-related quantities
|
||||
// for the current layer.
|
||||
void vp9_update_layer_framerate(struct VP9_COMP *const cpi);
|
||||
|
||||
// Prior to encoding the frame, set the layer context, for the current layer
|
||||
// to be encoded, to the cpi struct.
|
||||
void vp9_restore_layer_context(struct VP9_COMP *const cpi);
|
||||
|
||||
// Save the layer context after encoding the frame.
|
||||
void vp9_save_layer_context(struct VP9_COMP *const cpi);
|
||||
|
||||
#ifdef __cplusplus
|
||||
} // extern "C"
|
||||
#endif
|
||||
|
||||
#endif // VP9_ENCODER_VP9_SVC_LAYERCONTEXT_
|
||||
@ -44,6 +44,7 @@ VP9_CX_SRCS-yes += encoder/vp9_quantize.h
|
||||
VP9_CX_SRCS-yes += encoder/vp9_ratectrl.h
|
||||
VP9_CX_SRCS-yes += encoder/vp9_rdopt.h
|
||||
VP9_CX_SRCS-yes += encoder/vp9_pickmode.h
|
||||
VP9_CX_SRCS-yes += encoder/vp9_svc_layercontext.h
|
||||
VP9_CX_SRCS-yes += encoder/vp9_tokenize.h
|
||||
VP9_CX_SRCS-yes += encoder/vp9_treewriter.h
|
||||
VP9_CX_SRCS-yes += encoder/vp9_variance.h
|
||||
@ -60,6 +61,7 @@ VP9_CX_SRCS-yes += encoder/vp9_segmentation.c
|
||||
VP9_CX_SRCS-yes += encoder/vp9_segmentation.h
|
||||
VP9_CX_SRCS-yes += encoder/vp9_subexp.c
|
||||
VP9_CX_SRCS-yes += encoder/vp9_subexp.h
|
||||
VP9_CX_SRCS-yes += encoder/vp9_svc_layercontext.c
|
||||
VP9_CX_SRCS-yes += encoder/vp9_resize.c
|
||||
VP9_CX_SRCS-yes += encoder/vp9_resize.h
|
||||
VP9_CX_SRCS-$(CONFIG_INTERNAL_STATS) += encoder/vp9_ssim.c
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user