vpx_temporal_svc_encoder
/*
* Copyright (c) 2012 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.
*/
// This is an example demonstrating how to implement a multi-layer VPx
// encoding scheme based on temporal scalability for video applications
// that benefit from a scalable bitstream.
#include <assert.h>
#include <math.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "./vpx_config.h"
#include "./y4minput.h"
#include "../vpx_ports/vpx_timer.h"
#include "vpx/vp8cx.h"
#include "vpx/vpx_encoder.h"
#include "vpx_ports/bitops.h"
#include "../tools_common.h"
#include "../video_writer.h"
#define ROI_MAP 0
#define zero(Dest) memset(&(Dest), 0, sizeof(Dest))
static const char *exec_name;
void usage_exit(void) { exit(EXIT_FAILURE); }
// Denoiser states for vp8, for temporal denoising.
enum denoiserStateVp8 {
kVp8DenoiserOff,
kVp8DenoiserOnYOnly,
kVp8DenoiserOnYUV,
kVp8DenoiserOnYUVAggressive,
kVp8DenoiserOnAdaptive
};
// Denoiser states for vp9, for temporal denoising.
enum denoiserStateVp9 {
kVp9DenoiserOff,
kVp9DenoiserOnYOnly,
// For SVC: denoise the top two spatial layers.
kVp9DenoiserOnYTwoSpatialLayers
};
static int mode_to_num_layers[13] = { 1, 2, 2, 3, 3, 3, 3, 5, 2, 3, 3, 3, 3 };
// For rate control encoding stats.
struct RateControlMetrics {
// Number of input frames per layer.
int layer_input_frames[VPX_TS_MAX_LAYERS];
// Total (cumulative) number of encoded frames per layer.
int layer_tot_enc_frames[VPX_TS_MAX_LAYERS];
// Number of encoded non-key frames per layer.
int layer_enc_frames[VPX_TS_MAX_LAYERS];
// Framerate per layer layer (cumulative).
double layer_framerate[VPX_TS_MAX_LAYERS];
// Target average frame size per layer (per-frame-bandwidth per layer).
double layer_pfb[VPX_TS_MAX_LAYERS];
// Actual average frame size per layer.
double layer_avg_frame_size[VPX_TS_MAX_LAYERS];
// Average rate mismatch per layer (|target - actual| / target).
double layer_avg_rate_mismatch[VPX_TS_MAX_LAYERS];
// Actual encoding bitrate per layer (cumulative).
double layer_encoding_bitrate[VPX_TS_MAX_LAYERS];
// Average of the short-time encoder actual bitrate.
// TODO(marpan): Should we add these short-time stats for each layer?
double avg_st_encoding_bitrate;
// Variance of the short-time encoder actual bitrate.
double variance_st_encoding_bitrate;
// Window (number of frames) for computing short-timee encoding bitrate.
int window_size;
// Number of window measurements.
int window_count;
int layer_target_bitrate[VPX_MAX_LAYERS];
};
// Note: these rate control metrics assume only 1 key frame in the
// sequence (i.e., first frame only). So for temporal pattern# 7
// (which has key frame for every frame on base layer), the metrics
// computation will be off/wrong.
// TODO(marpan): Update these metrics to account for multiple key frames
// in the stream.
static void set_rate_control_metrics(struct RateControlMetrics *rc,
vpx_codec_enc_cfg_t *cfg) {
int i = 0;
// Set the layer (cumulative) framerate and the target layer (non-cumulative)
// per-frame-bandwidth, for the rate control encoding stats below.
const double framerate = cfg->g_timebase.den / cfg->g_timebase.num;
const int ts_number_layers = cfg->ts_number_layers;
rc->layer_framerate[0] = framerate / cfg->ts_rate_decimator[0];
rc->layer_pfb[0] =
1000.0 * rc->layer_target_bitrate[0] / rc->layer_framerate[0];
for (i = 0; i < ts_number_layers; ++i) {
if (i > 0) {
rc->layer_framerate[i] = framerate / cfg->ts_rate_decimator[i];
rc->layer_pfb[i] =
1000.0 *
(rc->layer_target_bitrate[i] - rc->layer_target_bitrate[i - 1]) /
(rc->layer_framerate[i] - rc->layer_framerate[i - 1]);
}
rc->layer_input_frames[i] = 0;
rc->layer_enc_frames[i] = 0;
rc->layer_tot_enc_frames[i] = 0;
rc->layer_encoding_bitrate[i] = 0.0;
rc->layer_avg_frame_size[i] = 0.0;
rc->layer_avg_rate_mismatch[i] = 0.0;
}
rc->window_count = 0;
rc->window_size = 15;
rc->avg_st_encoding_bitrate = 0.0;
rc->variance_st_encoding_bitrate = 0.0;
// Target bandwidth for the whole stream.
// Set to layer_target_bitrate for highest layer (total bitrate).
cfg->rc_target_bitrate = rc->layer_target_bitrate[ts_number_layers - 1];
}
static void printout_rate_control_summary(struct RateControlMetrics *rc,
vpx_codec_enc_cfg_t *cfg,
int frame_cnt) {
unsigned int i = 0;
int tot_num_frames = 0;
double perc_fluctuation = 0.0;
printf("Total number of processed frames: %d\n\n", frame_cnt - 1);
printf("Rate control layer stats for %d layer(s):\n\n",
cfg->ts_number_layers);
for (i = 0; i < cfg->ts_number_layers; ++i) {
const int num_dropped =
(i > 0) ? (rc->layer_input_frames[i] - rc->layer_enc_frames[i])
: (rc->layer_input_frames[i] - rc->layer_enc_frames[i] - 1);
tot_num_frames += rc->layer_input_frames[i];
rc->layer_encoding_bitrate[i] = 0.001 * rc->layer_framerate[i] *
rc->layer_encoding_bitrate[i] /
tot_num_frames;
rc->layer_avg_frame_size[i] =
rc->layer_avg_frame_size[i] / rc->layer_enc_frames[i];
rc->layer_avg_rate_mismatch[i] =
100.0 * rc->layer_avg_rate_mismatch[i] / rc->layer_enc_frames[i];
printf("For layer#: %d \n", i);
printf("Bitrate (target vs actual): %d %f \n", rc->layer_target_bitrate[i],
rc->layer_encoding_bitrate[i]);
printf("Average frame size (target vs actual): %f %f \n", rc->layer_pfb[i],
rc->layer_avg_frame_size[i]);
printf("Average rate_mismatch: %f \n", rc->layer_avg_rate_mismatch[i]);
printf(
"Number of input frames, encoded (non-key) frames, "
"and perc dropped frames: %d %d %f \n",
rc->layer_input_frames[i], rc->layer_enc_frames[i],
100.0 * num_dropped / rc->layer_input_frames[i]);
printf("\n");
}
rc->avg_st_encoding_bitrate = rc->avg_st_encoding_bitrate / rc->window_count;
rc->variance_st_encoding_bitrate =
rc->variance_st_encoding_bitrate / rc->window_count -
(rc->avg_st_encoding_bitrate * rc->avg_st_encoding_bitrate);
perc_fluctuation = 100.0 * sqrt(rc->variance_st_encoding_bitrate) /
rc->avg_st_encoding_bitrate;
printf("Short-time stats, for window of %d frames: \n", rc->window_size);
printf("Average, rms-variance, and percent-fluct: %f %f %f \n",
rc->avg_st_encoding_bitrate, sqrt(rc->variance_st_encoding_bitrate),
perc_fluctuation);
if ((frame_cnt - 1) != tot_num_frames)
die("Error: Number of input frames not equal to output! \n");
}
#if ROI_MAP
static void set_roi_map(const char *enc_name, vpx_codec_enc_cfg_t *cfg,
vpx_roi_map_t *roi) {
unsigned int i, j;
int block_size = 0;
uint8_t is_vp8 = strncmp(enc_name, "vp8", 3) == 0 ? 1 : 0;
uint8_t is_vp9 = strncmp(enc_name, "vp9", 3) == 0 ? 1 : 0;
if (!is_vp8 && !is_vp9) {
die("unsupported codec.");
}
zero(*roi);
block_size = is_vp9 && !is_vp8 ? 8 : 16;
// ROI is based on the segments (4 for vp8, 8 for vp9), smallest unit for
// segment is 16x16 for vp8, 8x8 for vp9.
roi->rows = (cfg->g_h + block_size - 1) / block_size;
roi->cols = (cfg->g_w + block_size - 1) / block_size;
// Applies delta QP on the segment blocks, varies from -63 to 63.
// Setting to negative means lower QP (better quality).
// Below we set delta_q to the extreme (-63) to show strong effect.
// VP8 uses the first 4 segments. VP9 uses all 8 segments.
zero(roi->delta_q);
roi->delta_q[1] = -63;
// Applies delta loopfilter strength on the segment blocks, varies from -63 to
// 63. Setting to positive means stronger loopfilter. VP8 uses the first 4
// segments. VP9 uses all 8 segments.
zero(roi->delta_lf);
if (is_vp8) {
// Applies skip encoding threshold on the segment blocks, varies from 0 to
// UINT_MAX. Larger value means more skipping of encoding is possible.
// This skip threshold only applies on delta frames.
zero(roi->static_threshold);
}
if (is_vp9) {
// Apply skip segment. Setting to 1 means this block will be copied from
// previous frame.
zero(roi->skip);
}
if (is_vp9) {
// Apply ref frame segment.
// -1 : Do not apply this segment.
// 0 : Froce using intra.
// 1 : Force using last.
// 2 : Force using golden.
// 3 : Force using alfref but not used in non-rd pickmode for 0 lag.
memset(roi->ref_frame, -1, sizeof(roi->ref_frame));
roi->ref_frame[1] = 1;
}
// Use 2 states: 1 is center square, 0 is the rest.
roi->roi_map =
(uint8_t *)calloc(roi->rows * roi->cols, sizeof(*roi->roi_map));
for (i = 0; i < roi->rows; ++i) {
for (j = 0; j < roi->cols; ++j) {
if (i > (roi->rows >> 2) && i < ((roi->rows * 3) >> 2) &&
j > (roi->cols >> 2) && j < ((roi->cols * 3) >> 2)) {
roi->roi_map[i * roi->cols + j] = 1;
}
}
}
}
static void set_roi_skip_map(vpx_codec_enc_cfg_t *cfg, vpx_roi_map_t *roi,
int *skip_map, int *prev_mask_map, int frame_num) {
const int block_size = 8;
unsigned int i, j;
roi->rows = (cfg->g_h + block_size - 1) / block_size;
roi->cols = (cfg->g_w + block_size - 1) / block_size;
zero(roi->skip);
zero(roi->delta_q);
zero(roi->delta_lf);
memset(roi->ref_frame, -1, sizeof(roi->ref_frame));
roi->ref_frame[1] = 1;
// Use segment 3 for skip.
roi->skip[3] = 1;
roi->roi_map =
(uint8_t *)calloc(roi->rows * roi->cols, sizeof(*roi->roi_map));
for (i = 0; i < roi->rows; ++i) {
for (j = 0; j < roi->cols; ++j) {
const int idx = i * roi->cols + j;
// Use segment 3 for skip.
// prev_mask_map keeps track of blocks that have been stably on segment 3
// for the past 10 frames. Only skip when the block is on segment 3 in
// both current map and prev_mask_map.
if (skip_map[idx] == 1 && prev_mask_map[idx] == 1) roi->roi_map[idx] = 3;
// Reset it every 10 frames so it doesn't propagate for too many frames.
if (frame_num % 10 == 0)
prev_mask_map[idx] = skip_map[idx];
else if (prev_mask_map[idx] == 1 && skip_map[idx] == 0)
prev_mask_map[idx] = 0;
}
}
}
#endif
// Temporal scaling parameters:
// NOTE: The 3 prediction frames cannot be used interchangeably due to
// differences in the way they are handled throughout the code. The
// frames should be allocated to layers in the order LAST, GF, ARF.
// Other combinations work, but may produce slightly inferior results.
static void set_temporal_layer_pattern(int layering_mode,
vpx_codec_enc_cfg_t *cfg,
int *layer_flags,
int *flag_periodicity) {
switch (layering_mode) {
case 0: {
// 1-layer.
int ids[1] = { 0 };
cfg->ts_periodicity = 1;
*flag_periodicity = 1;
cfg->ts_number_layers = 1;
cfg->ts_rate_decimator[0] = 1;
memcpy(cfg->ts_layer_id, ids, sizeof(ids));
// Update L only.
layer_flags[0] =
VPX_EFLAG_FORCE_KF | VP8_EFLAG_NO_UPD_GF | VP8_EFLAG_NO_UPD_ARF;
break;
}
case 1: {
// 2-layers, 2-frame period.
int ids[2] = { 0, 1 };
cfg->ts_periodicity = 2;
*flag_periodicity = 2;
cfg->ts_number_layers = 2;
cfg->ts_rate_decimator[0] = 2;
cfg->ts_rate_decimator[1] = 1;
memcpy(cfg->ts_layer_id, ids, sizeof(ids));
#if 1
// 0=L, 1=GF, Intra-layer prediction enabled.
layer_flags[0] = VPX_EFLAG_FORCE_KF | VP8_EFLAG_NO_UPD_GF |
VP8_EFLAG_NO_UPD_ARF | VP8_EFLAG_NO_REF_GF |
VP8_EFLAG_NO_REF_ARF;
layer_flags[1] =
VP8_EFLAG_NO_UPD_ARF | VP8_EFLAG_NO_UPD_LAST | VP8_EFLAG_NO_REF_ARF;
#else
// 0=L, 1=GF, Intra-layer prediction disabled.
layer_flags[0] = VPX_EFLAG_FORCE_KF | VP8_EFLAG_NO_UPD_GF |
VP8_EFLAG_NO_UPD_ARF | VP8_EFLAG_NO_REF_GF |
VP8_EFLAG_NO_REF_ARF;
layer_flags[1] = VP8_EFLAG_NO_UPD_ARF | VP8_EFLAG_NO_UPD_LAST |
VP8_EFLAG_NO_REF_ARF | VP8_EFLAG_NO_REF_LAST;
#endif
break;
}
case 2: {
// 2-layers, 3-frame period.
int ids[3] = { 0, 1, 1 };
cfg->ts_periodicity = 3;
*flag_periodicity = 3;
cfg->ts_number_layers = 2;
cfg->ts_rate_decimator[0] = 3;
cfg->ts_rate_decimator[1] = 1;
memcpy(cfg->ts_layer_id, ids, sizeof(ids));
// 0=L, 1=GF, Intra-layer prediction enabled.
layer_flags[0] = VPX_EFLAG_FORCE_KF | VP8_EFLAG_NO_REF_GF |
VP8_EFLAG_NO_REF_ARF | VP8_EFLAG_NO_UPD_GF |
VP8_EFLAG_NO_UPD_ARF;
layer_flags[1] = layer_flags[2] =
VP8_EFLAG_NO_REF_GF | VP8_EFLAG_NO_REF_ARF | VP8_EFLAG_NO_UPD_ARF |
VP8_EFLAG_NO_UPD_LAST;
break;
}
case 3: {
// 3-layers, 6-frame period.
int ids[6] = { 0, 2, 2, 1, 2, 2 };
cfg->ts_periodicity = 6;
*flag_periodicity = 6;
cfg->ts_number_layers = 3;
cfg->ts_rate_decimator[0] = 6;
cfg->ts_rate_decimator[1] = 3;
cfg->ts_rate_decimator[2] = 1;
memcpy(cfg->ts_layer_id, ids, sizeof(ids));
// 0=L, 1=GF, 2=ARF, Intra-layer prediction enabled.
layer_flags[0] = VPX_EFLAG_FORCE_KF | VP8_EFLAG_NO_REF_GF |
VP8_EFLAG_NO_REF_ARF | VP8_EFLAG_NO_UPD_GF |
VP8_EFLAG_NO_UPD_ARF;
layer_flags[3] =
VP8_EFLAG_NO_REF_ARF | VP8_EFLAG_NO_UPD_ARF | VP8_EFLAG_NO_UPD_LAST;
layer_flags[1] = layer_flags[2] = layer_flags[4] = layer_flags[5] =
VP8_EFLAG_NO_UPD_GF | VP8_EFLAG_NO_UPD_LAST;
break;
}
case 4: {
// 3-layers, 4-frame period.
int ids[4] = { 0, 2, 1, 2 };
cfg->ts_periodicity = 4;
*flag_periodicity = 4;
cfg->ts_number_layers = 3;
cfg->ts_rate_decimator[0] = 4;
cfg->ts_rate_decimator[1] = 2;
cfg->ts_rate_decimator[2] = 1;
memcpy(cfg->ts_layer_id, ids, sizeof(ids));
// 0=L, 1=GF, 2=ARF, Intra-layer prediction disabled.
layer_flags[0] = VPX_EFLAG_FORCE_KF | VP8_EFLAG_NO_REF_GF |
VP8_EFLAG_NO_REF_ARF | VP8_EFLAG_NO_UPD_GF |
VP8_EFLAG_NO_UPD_ARF;
layer_flags[2] = VP8_EFLAG_NO_REF_GF | VP8_EFLAG_NO_REF_ARF |
VP8_EFLAG_NO_UPD_ARF | VP8_EFLAG_NO_UPD_LAST;
layer_flags[1] = layer_flags[3] =
VP8_EFLAG_NO_REF_ARF | VP8_EFLAG_NO_UPD_LAST | VP8_EFLAG_NO_UPD_GF |
VP8_EFLAG_NO_UPD_ARF;
break;
}
case 5: {
// 3-layers, 4-frame period.
int ids[4] = { 0, 2, 1, 2 };
cfg->ts_periodicity = 4;
*flag_periodicity = 4;
cfg->ts_number_layers = 3;
cfg->ts_rate_decimator[0] = 4;
cfg->ts_rate_decimator[1] = 2;
cfg->ts_rate_decimator[2] = 1;
memcpy(cfg->ts_layer_id, ids, sizeof(ids));
// 0=L, 1=GF, 2=ARF, Intra-layer prediction enabled in layer 1, disabled
// in layer 2.
layer_flags[0] = VPX_EFLAG_FORCE_KF | VP8_EFLAG_NO_REF_GF |
VP8_EFLAG_NO_REF_ARF | VP8_EFLAG_NO_UPD_GF |
VP8_EFLAG_NO_UPD_ARF;
layer_flags[2] =
VP8_EFLAG_NO_REF_ARF | VP8_EFLAG_NO_UPD_LAST | VP8_EFLAG_NO_UPD_ARF;
layer_flags[1] = layer_flags[3] =
VP8_EFLAG_NO_REF_ARF | VP8_EFLAG_NO_UPD_LAST | VP8_EFLAG_NO_UPD_GF |
VP8_EFLAG_NO_UPD_ARF;
break;
}
case 6: {
// 3-layers, 4-frame period.
int ids[4] = { 0, 2, 1, 2 };
cfg->ts_periodicity = 4;
*flag_periodicity = 4;
cfg->ts_number_layers = 3;
cfg->ts_rate_decimator[0] = 4;
cfg->ts_rate_decimator[1] = 2;
cfg->ts_rate_decimator[2] = 1;
memcpy(cfg->ts_layer_id, ids, sizeof(ids));
// 0=L, 1=GF, 2=ARF, Intra-layer prediction enabled.
layer_flags[0] = VPX_EFLAG_FORCE_KF | VP8_EFLAG_NO_REF_GF |
VP8_EFLAG_NO_REF_ARF | VP8_EFLAG_NO_UPD_GF |
VP8_EFLAG_NO_UPD_ARF;
layer_flags[2] =
VP8_EFLAG_NO_REF_ARF | VP8_EFLAG_NO_UPD_LAST | VP8_EFLAG_NO_UPD_ARF;
layer_flags[1] = layer_flags[3] =
VP8_EFLAG_NO_UPD_LAST | VP8_EFLAG_NO_UPD_GF;
break;
}
case 7: {
// NOTE: Probably of academic interest only.
// 5-layers, 16-frame period.
int ids[16] = { 0, 4, 3, 4, 2, 4, 3, 4, 1, 4, 3, 4, 2, 4, 3, 4 };
cfg->ts_periodicity = 16;
*flag_periodicity = 16;
cfg->ts_number_layers = 5;
cfg->ts_rate_decimator[0] = 16;
cfg->ts_rate_decimator[1] = 8;
cfg->ts_rate_decimator[2] = 4;
cfg->ts_rate_decimator[3] = 2;
cfg->ts_rate_decimator[4] = 1;
memcpy(cfg->ts_layer_id, ids, sizeof(ids));
layer_flags[0] = VPX_EFLAG_FORCE_KF;
layer_flags[1] = layer_flags[3] = layer_flags[5] = layer_flags[7] =
layer_flags[9] = layer_flags[11] = layer_flags[13] = layer_flags[15] =
VP8_EFLAG_NO_UPD_LAST | VP8_EFLAG_NO_UPD_GF |
VP8_EFLAG_NO_UPD_ARF;
layer_flags[2] = layer_flags[6] = layer_flags[10] = layer_flags[14] =
VP8_EFLAG_NO_UPD_ARF | VP8_EFLAG_NO_UPD_GF;
layer_flags[4] = layer_flags[12] =
VP8_EFLAG_NO_REF_LAST | VP8_EFLAG_NO_UPD_ARF;
layer_flags[8] = VP8_EFLAG_NO_REF_LAST | VP8_EFLAG_NO_REF_GF;
break;
}
case 8: {
// 2-layers, with sync point at first frame of layer 1.
int ids[2] = { 0, 1 };
cfg->ts_periodicity = 2;
*flag_periodicity = 8;
cfg->ts_number_layers = 2;
cfg->ts_rate_decimator[0] = 2;
cfg->ts_rate_decimator[1] = 1;
memcpy(cfg->ts_layer_id, ids, sizeof(ids));
// 0=L, 1=GF.
// ARF is used as predictor for all frames, and is only updated on
// key frame. Sync point every 8 frames.
// Layer 0: predict from L and ARF, update L and G.
layer_flags[0] =
VPX_EFLAG_FORCE_KF | VP8_EFLAG_NO_REF_GF | VP8_EFLAG_NO_UPD_ARF;
// Layer 1: sync point: predict from L and ARF, and update G.
layer_flags[1] =
VP8_EFLAG_NO_REF_GF | VP8_EFLAG_NO_UPD_LAST | VP8_EFLAG_NO_UPD_ARF;
// Layer 0, predict from L and ARF, update L.
layer_flags[2] =
VP8_EFLAG_NO_REF_GF | VP8_EFLAG_NO_UPD_GF | VP8_EFLAG_NO_UPD_ARF;
// Layer 1: predict from L, G and ARF, and update G.
layer_flags[3] = VP8_EFLAG_NO_UPD_ARF | VP8_EFLAG_NO_UPD_LAST |
VP8_EFLAG_NO_UPD_ENTROPY;
// Layer 0.
layer_flags[4] = layer_flags[2];
// Layer 1.
layer_flags[5] = layer_flags[3];
// Layer 0.
layer_flags[6] = layer_flags[4];
// Layer 1.
layer_flags[7] = layer_flags[5];
break;
}
case 9: {
// 3-layers: Sync points for layer 1 and 2 every 8 frames.
int ids[4] = { 0, 2, 1, 2 };
cfg->ts_periodicity = 4;
*flag_periodicity = 8;
cfg->ts_number_layers = 3;
cfg->ts_rate_decimator[0] = 4;
cfg->ts_rate_decimator[1] = 2;
cfg->ts_rate_decimator[2] = 1;
memcpy(cfg->ts_layer_id, ids, sizeof(ids));
// 0=L, 1=GF, 2=ARF.
layer_flags[0] = VPX_EFLAG_FORCE_KF | VP8_EFLAG_NO_REF_GF |
VP8_EFLAG_NO_REF_ARF | VP8_EFLAG_NO_UPD_GF |
VP8_EFLAG_NO_UPD_ARF;
layer_flags[1] = VP8_EFLAG_NO_REF_GF | VP8_EFLAG_NO_REF_ARF |
VP8_EFLAG_NO_UPD_LAST | VP8_EFLAG_NO_UPD_GF;
layer_flags[2] = VP8_EFLAG_NO_REF_GF | VP8_EFLAG_NO_REF_ARF |
VP8_EFLAG_NO_UPD_LAST | VP8_EFLAG_NO_UPD_ARF;
layer_flags[3] = layer_flags[5] =
VP8_EFLAG_NO_UPD_LAST | VP8_EFLAG_NO_UPD_GF;
layer_flags[4] = VP8_EFLAG_NO_REF_GF | VP8_EFLAG_NO_REF_ARF |
VP8_EFLAG_NO_UPD_GF | VP8_EFLAG_NO_UPD_ARF;
layer_flags[6] =
VP8_EFLAG_NO_REF_ARF | VP8_EFLAG_NO_UPD_LAST | VP8_EFLAG_NO_UPD_ARF;
layer_flags[7] = VP8_EFLAG_NO_UPD_LAST | VP8_EFLAG_NO_UPD_GF |
VP8_EFLAG_NO_UPD_ARF | VP8_EFLAG_NO_UPD_ENTROPY;
break;
}
case 10: {
// 3-layers structure where ARF is used as predictor for all frames,
// and is only updated on key frame.
// Sync points for layer 1 and 2 every 8 frames.
int ids[4] = { 0, 2, 1, 2 };
cfg->ts_periodicity = 4;
*flag_periodicity = 8;
cfg->ts_number_layers = 3;
cfg->ts_rate_decimator[0] = 4;
cfg->ts_rate_decimator[1] = 2;
cfg->ts_rate_decimator[2] = 1;
memcpy(cfg->ts_layer_id, ids, sizeof(ids));
// 0=L, 1=GF, 2=ARF.
// Layer 0: predict from L and ARF; update L and G.
layer_flags[0] =
VPX_EFLAG_FORCE_KF | VP8_EFLAG_NO_UPD_ARF | VP8_EFLAG_NO_REF_GF;
// Layer 2: sync point: predict from L and ARF; update none.
layer_flags[1] = VP8_EFLAG_NO_REF_GF | VP8_EFLAG_NO_UPD_GF |
VP8_EFLAG_NO_UPD_ARF | VP8_EFLAG_NO_UPD_LAST |
VP8_EFLAG_NO_UPD_ENTROPY;
// Layer 1: sync point: predict from L and ARF; update G.
layer_flags[2] =
VP8_EFLAG_NO_REF_GF | VP8_EFLAG_NO_UPD_ARF | VP8_EFLAG_NO_UPD_LAST;
// Layer 2: predict from L, G, ARF; update none.
layer_flags[3] = VP8_EFLAG_NO_UPD_GF | VP8_EFLAG_NO_UPD_ARF |
VP8_EFLAG_NO_UPD_LAST | VP8_EFLAG_NO_UPD_ENTROPY;
// Layer 0: predict from L and ARF; update L.
layer_flags[4] =
VP8_EFLAG_NO_UPD_GF | VP8_EFLAG_NO_UPD_ARF | VP8_EFLAG_NO_REF_GF;
// Layer 2: predict from L, G, ARF; update none.
layer_flags[5] = layer_flags[3];
// Layer 1: predict from L, G, ARF; update G.
layer_flags[6] = VP8_EFLAG_NO_UPD_ARF | VP8_EFLAG_NO_UPD_LAST;
// Layer 2: predict from L, G, ARF; update none.
layer_flags[7] = layer_flags[3];
break;
}
case 11: {
// 3-layers structure with one reference frame.
// This works same as temporal_layering_mode 3.
// This was added to compare with vp9_spatial_svc_encoder.
// 3-layers, 4-frame period.
int ids[4] = { 0, 2, 1, 2 };
cfg->ts_periodicity = 4;
*flag_periodicity = 4;
cfg->ts_number_layers = 3;
cfg->ts_rate_decimator[0] = 4;
cfg->ts_rate_decimator[1] = 2;
cfg->ts_rate_decimator[2] = 1;
memcpy(cfg->ts_layer_id, ids, sizeof(ids));
// 0=L, 1=GF, 2=ARF, Intra-layer prediction disabled.
layer_flags[0] = VP8_EFLAG_NO_REF_GF | VP8_EFLAG_NO_REF_ARF |
VP8_EFLAG_NO_UPD_GF | VP8_EFLAG_NO_UPD_ARF;
layer_flags[2] = VP8_EFLAG_NO_REF_GF | VP8_EFLAG_NO_REF_ARF |
VP8_EFLAG_NO_UPD_ARF | VP8_EFLAG_NO_UPD_LAST;
layer_flags[1] = VP8_EFLAG_NO_REF_GF | VP8_EFLAG_NO_REF_ARF |
VP8_EFLAG_NO_UPD_LAST | VP8_EFLAG_NO_UPD_GF;
layer_flags[3] = VP8_EFLAG_NO_REF_LAST | VP8_EFLAG_NO_REF_ARF |
VP8_EFLAG_NO_UPD_LAST | VP8_EFLAG_NO_UPD_GF;
break;
}
case 12:
default: {
// 3-layers structure as in case 10, but no sync/refresh points for
// layer 1 and 2.
int ids[4] = { 0, 2, 1, 2 };
cfg->ts_periodicity = 4;
*flag_periodicity = 8;
cfg->ts_number_layers = 3;
cfg->ts_rate_decimator[0] = 4;
cfg->ts_rate_decimator[1] = 2;
cfg->ts_rate_decimator[2] = 1;
memcpy(cfg->ts_layer_id, ids, sizeof(ids));
// 0=L, 1=GF, 2=ARF.
// Layer 0: predict from L and ARF; update L.
layer_flags[0] =
VP8_EFLAG_NO_UPD_GF | VP8_EFLAG_NO_UPD_ARF | VP8_EFLAG_NO_REF_GF;
layer_flags[4] = layer_flags[0];
// Layer 1: predict from L, G, ARF; update G.
layer_flags[2] = VP8_EFLAG_NO_UPD_ARF | VP8_EFLAG_NO_UPD_LAST;
layer_flags[6] = layer_flags[2];
// Layer 2: predict from L, G, ARF; update none.
layer_flags[1] = VP8_EFLAG_NO_UPD_GF | VP8_EFLAG_NO_UPD_ARF |
VP8_EFLAG_NO_UPD_LAST | VP8_EFLAG_NO_UPD_ENTROPY;
layer_flags[3] = layer_flags[1];
layer_flags[5] = layer_flags[1];
layer_flags[7] = layer_flags[1];
break;
}
}
}
#if ROI_MAP
static void read_mask(FILE *mask_file, int *seg_map) {
int mask_rows, mask_cols, i, j;
int *map_start = seg_map;
fscanf(mask_file, "%d %d\n", &mask_cols, &mask_rows);
for (i = 0; i < mask_rows; i++) {
for (j = 0; j < mask_cols; j++) {
fscanf(mask_file, "%d ", &seg_map[j]);
// reverse the bit
seg_map[j] = 1 - seg_map[j];
}
seg_map += mask_cols;
}
seg_map = map_start;
}
#endif
int main(int argc, char **argv) {
VpxVideoWriter *outfile[VPX_TS_MAX_LAYERS] = { NULL };
vpx_codec_ctx_t codec;
vpx_codec_enc_cfg_t cfg;
int frame_cnt = 0;
vpx_image_t raw;
vpx_codec_err_t res;
unsigned int width;
unsigned int height;
uint32_t error_resilient = 0;
int speed;
int frame_avail;
int got_data;
int flags = 0;
unsigned int i;
int pts = 0; // PTS starts at 0.
int frame_duration = 1; // 1 timebase tick per frame.
int layering_mode = 0;
int layer_flags[VPX_TS_MAX_PERIODICITY] = { 0 };
int flag_periodicity = 1;
#if ROI_MAP
vpx_roi_map_t roi;
#endif
vpx_svc_layer_id_t layer_id;
const VpxInterface *encoder = NULL;
struct VpxInputContext input_ctx;
struct RateControlMetrics rc;
int64_t cx_time = 0;
const int min_args_base = 13;
#if CONFIG_VP9_HIGHBITDEPTH
vpx_bit_depth_t bit_depth = VPX_BITS_8;
int input_bit_depth = 8;
const int min_args = min_args_base + 1;
#else
const int min_args = min_args_base;
#endif // CONFIG_VP9_HIGHBITDEPTH
double sum_bitrate = 0.0;
double sum_bitrate2 = 0.0;
double framerate = 30.0;
#if ROI_MAP
FILE *mask_file = NULL;
int block_size = 8;
int mask_rows = 0;
int mask_cols = 0;
int *mask_map;
int *prev_mask_map;
#endif
zero(rc.layer_target_bitrate);
memset(&layer_id, 0, sizeof(vpx_svc_layer_id_t));
memset(&input_ctx, 0, sizeof(input_ctx));
/* Setup default input stream settings */
input_ctx.framerate.numerator = 30;
input_ctx.framerate.denominator = 1;
input_ctx.only_i420 = 1;
input_ctx.bit_depth = 0;
exec_name = argv[0];
// Check usage and arguments.
if (argc < min_args) {
#if CONFIG_VP9_HIGHBITDEPTH
die("Usage: %s <infile> <outfile> <codec_type(vp8/vp9)> <width> <height> "
"<rate_num> <rate_den> <speed> <frame_drop_threshold> "
"<error_resilient> <threads> <mode> "
"<Rate_0> ... <Rate_nlayers-1> <bit-depth> \n",
argv[0]);
#else
die("Usage: %s <infile> <outfile> <codec_type(vp8/vp9)> <width> <height> "
"<rate_num> <rate_den> <speed> <frame_drop_threshold> "
"<error_resilient> <threads> <mode> "
"<Rate_0> ... <Rate_nlayers-1> \n",
argv[0]);
#endif // CONFIG_VP9_HIGHBITDEPTH
}
encoder = get_vpx_encoder_by_name(argv[3]);
if (!encoder) die("Unsupported codec.");
printf("Using %s\n", vpx_codec_iface_name(encoder->codec_interface()));
width = (unsigned int)strtoul(argv[4], NULL, 0);
height = (unsigned int)strtoul(argv[5], NULL, 0);
if (width < 16 || width % 2 || height < 16 || height % 2) {
die("Invalid resolution: %d x %d", width, height);
}
layering_mode = (int)strtol(argv[12], NULL, 0);
if (layering_mode < 0 || layering_mode > 13) {
die("Invalid layering mode (0..12) %s", argv[12]);
}
#if ROI_MAP
if (argc != min_args + mode_to_num_layers[layering_mode] + 1) {
die("Invalid number of arguments");
}
#else
if (argc != min_args + mode_to_num_layers[layering_mode]) {
die("Invalid number of arguments");
}
#endif
input_ctx.filename = argv[1];
open_input_file(&input_ctx);
#if CONFIG_VP9_HIGHBITDEPTH
switch (strtol(argv[argc - 1], NULL, 0)) {
case 8:
bit_depth = VPX_BITS_8;
input_bit_depth = 8;
break;
case 10:
bit_depth = VPX_BITS_10;
input_bit_depth = 10;
break;
case 12:
bit_depth = VPX_BITS_12;
input_bit_depth = 12;
break;
default: die("Invalid bit depth (8, 10, 12) %s", argv[argc - 1]);
}
// Y4M reader has its own allocation.
if (input_ctx.file_type != FILE_TYPE_Y4M) {
if (!vpx_img_alloc(
&raw,
bit_depth == VPX_BITS_8 ? VPX_IMG_FMT_I420 : VPX_IMG_FMT_I42016,
width, height, 32)) {
die("Failed to allocate image (%dx%d)", width, height);
}
}
#else
// Y4M reader has its own allocation.
if (input_ctx.file_type != FILE_TYPE_Y4M) {
if (!vpx_img_alloc(&raw, VPX_IMG_FMT_I420, width, height, 32)) {
die("Failed to allocate image (%dx%d)", width, height);
}
}
#endif // CONFIG_VP9_HIGHBITDEPTH
// Populate encoder configuration.
res = vpx_codec_enc_config_default(encoder->codec_interface(), &cfg, 0);
if (res) {
printf("Failed to get config: %s\n", vpx_codec_err_to_string(res));
return EXIT_FAILURE;
}
// Update the default configuration with our settings.
cfg.g_w = width;
cfg.g_h = height;
#if CONFIG_VP9_HIGHBITDEPTH
if (bit_depth != VPX_BITS_8) {
cfg.g_bit_depth = bit_depth;
cfg.g_input_bit_depth = input_bit_depth;
cfg.g_profile = 2;
}
#endif // CONFIG_VP9_HIGHBITDEPTH
// Timebase format e.g. 30fps: numerator=1, demoninator = 30.
cfg.g_timebase.num = (int)strtol(argv[6], NULL, 0);
cfg.g_timebase.den = (int)strtol(argv[7], NULL, 0);
speed = (int)strtol(argv[8], NULL, 0);
if (speed < 0) {
die("Invalid speed setting: must be positive");
}
if (strncmp(encoder->name, "vp9", 3) == 0 && speed > 9) {
warn("Mapping speed %d to speed 9.\n", speed);
}
for (i = min_args_base;
(int)i < min_args_base + mode_to_num_layers[layering_mode]; ++i) {
rc.layer_target_bitrate[i - 13] = (int)strtol(argv[i], NULL, 0);
if (strncmp(encoder->name, "vp8", 3) == 0)
cfg.ts_target_bitrate[i - 13] = rc.layer_target_bitrate[i - 13];
else if (strncmp(encoder->name, "vp9", 3) == 0)
cfg.layer_target_bitrate[i - 13] = rc.layer_target_bitrate[i - 13];
}
// Real time parameters.
cfg.rc_dropframe_thresh = (unsigned int)strtoul(argv[9], NULL, 0);
cfg.rc_end_usage = VPX_CBR;
cfg.rc_min_quantizer = 2;
cfg.rc_max_quantizer = 56;
if (strncmp(encoder->name, "vp9", 3) == 0) cfg.rc_max_quantizer = 52;
cfg.rc_undershoot_pct = 50;
cfg.rc_overshoot_pct = 50;
cfg.rc_buf_initial_sz = 600;
cfg.rc_buf_optimal_sz = 600;
cfg.rc_buf_sz = 1000;
// Disable dynamic resizing by default.
cfg.rc_resize_allowed = 0;
// Use 1 thread as default.
cfg.g_threads = (unsigned int)strtoul(argv[11], NULL, 0);
error_resilient = (uint32_t)strtoul(argv[10], NULL, 0);
if (error_resilient != 0 && error_resilient != 1) {
die("Invalid value for error resilient (0, 1): %d.", error_resilient);
}
// Enable error resilient mode.
cfg.g_error_resilient = error_resilient;
cfg.g_lag_in_frames = 0;
cfg.kf_mode = VPX_KF_AUTO;
// Disable automatic keyframe placement.
cfg.kf_min_dist = cfg.kf_max_dist = 3000;
cfg.temporal_layering_mode = VP9E_TEMPORAL_LAYERING_MODE_BYPASS;
set_temporal_layer_pattern(layering_mode, &cfg, layer_flags,
&flag_periodicity);
set_rate_control_metrics(&rc, &cfg);
if (input_ctx.file_type == FILE_TYPE_Y4M) {
if (input_ctx.width != cfg.g_w || input_ctx.height != cfg.g_h) {
die("Incorrect width or height: %d x %d", cfg.g_w, cfg.g_h);
}
if (input_ctx.framerate.numerator != cfg.g_timebase.den ||
input_ctx.framerate.denominator != cfg.g_timebase.num) {
die("Incorrect framerate: numerator %d denominator %d",
cfg.g_timebase.num, cfg.g_timebase.den);
}
}
framerate = cfg.g_timebase.den / cfg.g_timebase.num;
// Open an output file for each stream.
for (i = 0; i < cfg.ts_number_layers; ++i) {
char file_name[PATH_MAX];
VpxVideoInfo info;
info.codec_fourcc = encoder->fourcc;
info.frame_width = cfg.g_w;
info.frame_height = cfg.g_h;
info.time_base.numerator = cfg.g_timebase.num;
info.time_base.denominator = cfg.g_timebase.den;
snprintf(file_name, sizeof(file_name), "%s_%d.ivf", argv[2], i);
outfile[i] = vpx_video_writer_open(file_name, kContainerIVF, &info);
if (!outfile[i]) die("Failed to open %s for writing", file_name);
assert(outfile[i] != NULL);
}
// No spatial layers in this encoder.
cfg.ss_number_layers = 1;
// Initialize codec.
#if CONFIG_VP9_HIGHBITDEPTH
if (vpx_codec_enc_init(
&codec, encoder->codec_interface(), &cfg,
bit_depth == VPX_BITS_8 ? 0 : VPX_CODEC_USE_HIGHBITDEPTH))
#else
if (vpx_codec_enc_init(&codec, encoder->codec_interface(), &cfg, 0))
#endif // CONFIG_VP9_HIGHBITDEPTH
die("Failed to initialize encoder");
#if ROI_MAP
mask_rows = (cfg.g_h + block_size - 1) / block_size;
mask_cols = (cfg.g_w + block_size - 1) / block_size;
mask_map = (int *)calloc(mask_rows * mask_cols, sizeof(*mask_map));
prev_mask_map = (int *)calloc(mask_rows * mask_cols, sizeof(*mask_map));
#endif
if (strncmp(encoder->name, "vp8", 3) == 0) {
vpx_codec_control(&codec, VP8E_SET_CPUUSED, -speed);
vpx_codec_control(&codec, VP8E_SET_NOISE_SENSITIVITY, kVp8DenoiserOff);
vpx_codec_control(&codec, VP8E_SET_STATIC_THRESHOLD, 1);
vpx_codec_control(&codec, VP8E_SET_GF_CBR_BOOST_PCT, 0);
#if ROI_MAP
set_roi_map(encoder->name, &cfg, &roi);
if (vpx_codec_control(&codec, VP8E_SET_ROI_MAP, &roi))
die_codec(&codec, "Failed to set ROI map");
#endif
} else if (strncmp(encoder->name, "vp9", 3) == 0) {
vpx_svc_extra_cfg_t svc_params;
memset(&svc_params, 0, sizeof(svc_params));
vpx_codec_control(&codec, VP9E_SET_POSTENCODE_DROP, 0);
vpx_codec_control(&codec, VP9E_SET_DISABLE_OVERSHOOT_MAXQ_CBR, 0);
vpx_codec_control(&codec, VP8E_SET_CPUUSED, speed);
vpx_codec_control(&codec, VP9E_SET_AQ_MODE, 3);
vpx_codec_control(&codec, VP9E_SET_GF_CBR_BOOST_PCT, 0);
vpx_codec_control(&codec, VP9E_SET_FRAME_PARALLEL_DECODING, 0);
vpx_codec_control(&codec, VP9E_SET_FRAME_PERIODIC_BOOST, 0);
vpx_codec_control(&codec, VP9E_SET_NOISE_SENSITIVITY, kVp9DenoiserOff);
vpx_codec_control(&codec, VP8E_SET_STATIC_THRESHOLD, 1);
vpx_codec_control(&codec, VP9E_SET_TUNE_CONTENT, 0);
vpx_codec_control(&codec, VP9E_SET_TILE_COLUMNS, get_msb(cfg.g_threads));
vpx_codec_control(&codec, VP9E_SET_DISABLE_LOOPFILTER, 0);
if (cfg.g_threads > 1)
vpx_codec_control(&codec, VP9E_SET_ROW_MT, 1);
else
vpx_codec_control(&codec, VP9E_SET_ROW_MT, 0);
if (vpx_codec_control(&codec, VP9E_SET_SVC, layering_mode > 0 ? 1 : 0))
die_codec(&codec, "Failed to set SVC");
for (i = 0; i < cfg.ts_number_layers; ++i) {
svc_params.max_quantizers[i] = cfg.rc_max_quantizer;
svc_params.min_quantizers[i] = cfg.rc_min_quantizer;
}
svc_params.scaling_factor_num[0] = cfg.g_h;
svc_params.scaling_factor_den[0] = cfg.g_h;
vpx_codec_control(&codec, VP9E_SET_SVC_PARAMETERS, &svc_params);
}
if (strncmp(encoder->name, "vp8", 3) == 0) {
vpx_codec_control(&codec, VP8E_SET_SCREEN_CONTENT_MODE, 0);
}
vpx_codec_control(&codec, VP8E_SET_TOKEN_PARTITIONS, 1);
// This controls the maximum target size of the key frame.
// For generating smaller key frames, use a smaller max_intra_size_pct
// value, like 100 or 200.
{
const int max_intra_size_pct = 1000;
vpx_codec_control(&codec, VP8E_SET_MAX_INTRA_BITRATE_PCT,
max_intra_size_pct);
}
frame_avail = 1;
while (frame_avail || got_data) {
struct vpx_usec_timer timer;
vpx_codec_iter_t iter = NULL;
const vpx_codec_cx_pkt_t *pkt;
#if ROI_MAP
char mask_file_name[255];
#endif
// Update the temporal layer_id. No spatial layers in this test.
layer_id.spatial_layer_id = 0;
layer_id.temporal_layer_id =
cfg.ts_layer_id[frame_cnt % cfg.ts_periodicity];
layer_id.temporal_layer_id_per_spatial[0] = layer_id.temporal_layer_id;
if (strncmp(encoder->name, "vp9", 3) == 0) {
vpx_codec_control(&codec, VP9E_SET_SVC_LAYER_ID, &layer_id);
} else if (strncmp(encoder->name, "vp8", 3) == 0) {
vpx_codec_control(&codec, VP8E_SET_TEMPORAL_LAYER_ID,
layer_id.temporal_layer_id);
}
flags = layer_flags[frame_cnt % flag_periodicity];
if (layering_mode == 0) flags = 0;
#if ROI_MAP
snprintf(mask_file_name, sizeof(mask_file_name), "%s%05d.txt",
argv[argc - 1], frame_cnt);
mask_file = fopen(mask_file_name, "r");
if (mask_file != NULL) {
read_mask(mask_file, mask_map);
fclose(mask_file);
// set_roi_map(encoder->name, &cfg, &roi);
set_roi_skip_map(&cfg, &roi, mask_map, prev_mask_map, frame_cnt);
if (vpx_codec_control(&codec, VP9E_SET_ROI_MAP, &roi))
die_codec(&codec, "Failed to set ROI map");
}
#endif
frame_avail = read_frame(&input_ctx, &raw);
if (frame_avail) ++rc.layer_input_frames[layer_id.temporal_layer_id];
vpx_usec_timer_start(&timer);
if (vpx_codec_encode(&codec, frame_avail ? &raw : NULL, pts, 1, flags,
VPX_DL_REALTIME)) {
die_codec(&codec, "Failed to encode frame");
}
vpx_usec_timer_mark(&timer);
cx_time += vpx_usec_timer_elapsed(&timer);
// Reset KF flag.
if (layering_mode != 7) {
layer_flags[0] &= ~VPX_EFLAG_FORCE_KF;
}
got_data = 0;
while ((pkt = vpx_codec_get_cx_data(&codec, &iter))) {
got_data = 1;
switch (pkt->kind) {
case VPX_CODEC_CX_FRAME_PKT:
for (i = cfg.ts_layer_id[frame_cnt % cfg.ts_periodicity];
i < cfg.ts_number_layers; ++i) {
vpx_video_writer_write_frame(outfile[i], pkt->data.frame.buf,
pkt->data.frame.sz, pts);
++rc.layer_tot_enc_frames[i];
rc.layer_encoding_bitrate[i] += 8.0 * pkt->data.frame.sz;
// Keep count of rate control stats per layer (for non-key frames).
if (i == cfg.ts_layer_id[frame_cnt % cfg.ts_periodicity] &&
!(pkt->data.frame.flags & VPX_FRAME_IS_KEY)) {
rc.layer_avg_frame_size[i] += 8.0 * pkt->data.frame.sz;
rc.layer_avg_rate_mismatch[i] +=
fabs(8.0 * pkt->data.frame.sz - rc.layer_pfb[i]) /
rc.layer_pfb[i];
++rc.layer_enc_frames[i];
}
}
// Update for short-time encoding bitrate states, for moving window
// of size rc->window, shifted by rc->window / 2.
// Ignore first window segment, due to key frame.
if (rc.window_size == 0) rc.window_size = 15;
if (frame_cnt > rc.window_size) {
sum_bitrate += 0.001 * 8.0 * pkt->data.frame.sz * framerate;
if (frame_cnt % rc.window_size == 0) {
rc.window_count += 1;
rc.avg_st_encoding_bitrate += sum_bitrate / rc.window_size;
rc.variance_st_encoding_bitrate +=
(sum_bitrate / rc.window_size) *
(sum_bitrate / rc.window_size);
sum_bitrate = 0.0;
}
}
// Second shifted window.
if (frame_cnt > rc.window_size + rc.window_size / 2) {
sum_bitrate2 += 0.001 * 8.0 * pkt->data.frame.sz * framerate;
if (frame_cnt > 2 * rc.window_size &&
frame_cnt % rc.window_size == 0) {
rc.window_count += 1;
rc.avg_st_encoding_bitrate += sum_bitrate2 / rc.window_size;
rc.variance_st_encoding_bitrate +=
(sum_bitrate2 / rc.window_size) *
(sum_bitrate2 / rc.window_size);
sum_bitrate2 = 0.0;
}
}
break;
default: break;
}
}
++frame_cnt;
pts += frame_duration;
}
#if ROI_MAP
free(mask_map);
free(prev_mask_map);
#endif
close_input_file(&input_ctx);
printout_rate_control_summary(&rc, &cfg, frame_cnt);
printf("\n");
printf("Frame cnt and encoding time/FPS stats for encoding: %d %f %f \n",
frame_cnt, 1000 * (float)cx_time / (double)(frame_cnt * 1000000),
1000000 * (double)frame_cnt / (double)cx_time);
if (vpx_codec_destroy(&codec)) die_codec(&codec, "Failed to destroy codec");
// Try to rewrite the output file headers with the actual frame count.
for (i = 0; i < cfg.ts_number_layers; ++i) vpx_video_writer_close(outfile[i]);
if (input_ctx.file_type != FILE_TYPE_Y4M) {
vpx_img_free(&raw);
}
#if ROI_MAP
free(roi.roi_map);
#endif
return EXIT_SUCCESS;
}
vpx_codec_err_to_string
const char * vpx_codec_err_to_string(vpx_codec_err_t err)
Convert error number to printable string.
vpx_codec_destroy
vpx_codec_err_t vpx_codec_destroy(vpx_codec_ctx_t *ctx)
Destroy a codec instance.
vpx_codec_iter_t
const void * vpx_codec_iter_t
Iterator.
Definition vpx_codec.h:190
vpx_codec_iface_name
const char * vpx_codec_iface_name(vpx_codec_iface_t *iface)
Return the name for a given interface.
vpx_bit_depth_t
enum vpx_bit_depth vpx_bit_depth_t
Bit depth for codecThis enumeration determines the bit depth of the codec.
vpx_codec_control
#define vpx_codec_control(ctx, id, data)
vpx_codec_control wrapper macro
Definition vpx_codec.h:411
vpx_codec_err_t
vpx_codec_err_t
Algorithm return codes.
Definition vpx_codec.h:93
VPX_BITS_8
@ VPX_BITS_8
Definition vpx_codec.h:221
VPX_BITS_12
@ VPX_BITS_12
Definition vpx_codec.h:223
VPX_BITS_10
@ VPX_BITS_10
Definition vpx_codec.h:222
VPX_DL_REALTIME
#define VPX_DL_REALTIME
deadline parameter analogous to VPx REALTIME mode.
Definition vpx_encoder.h:983
VPX_TS_MAX_LAYERS
#define VPX_TS_MAX_LAYERS
Definition vpx_encoder.h:42
vpx_codec_enc_init
#define vpx_codec_enc_init(ctx, iface, cfg, flags)
Convenience macro for vpx_codec_enc_init_ver()
Definition vpx_encoder.h:894
VPX_EFLAG_FORCE_KF
#define VPX_EFLAG_FORCE_KF
Definition vpx_encoder.h:264
vpx_codec_get_cx_data
const vpx_codec_cx_pkt_t * vpx_codec_get_cx_data(vpx_codec_ctx_t *ctx, vpx_codec_iter_t *iter)
Encoded data iterator.
VPX_TS_MAX_PERIODICITY
#define VPX_TS_MAX_PERIODICITY
Definition vpx_encoder.h:39
VPX_CODEC_USE_HIGHBITDEPTH
#define VPX_CODEC_USE_HIGHBITDEPTH
Definition vpx_encoder.h:93
VPX_MAX_LAYERS
#define VPX_MAX_LAYERS
Definition vpx_encoder.h:45
VPX_FRAME_IS_KEY
#define VPX_FRAME_IS_KEY
Definition vpx_encoder.h:119
vpx_codec_enc_config_default
vpx_codec_err_t vpx_codec_enc_config_default(vpx_codec_iface_t *iface, vpx_codec_enc_cfg_t *cfg, unsigned int usage)
Get a default configuration.
vpx_codec_encode
vpx_codec_err_t vpx_codec_encode(vpx_codec_ctx_t *ctx, const vpx_image_t *img, vpx_codec_pts_t pts, unsigned long duration, vpx_enc_frame_flags_t flags, unsigned long deadline)
Encode a frame.
VPX_CODEC_CX_FRAME_PKT
@ VPX_CODEC_CX_FRAME_PKT
Definition vpx_encoder.h:151
VPX_KF_AUTO
@ VPX_KF_AUTO
Definition vpx_encoder.h:252
VPX_CBR
@ VPX_CBR
Definition vpx_encoder.h:237
VP8_EFLAG_NO_UPD_ARF
#define VP8_EFLAG_NO_UPD_ARF
Don't update the alternate reference frame.
Definition vp8cx.h:112
VP8_EFLAG_NO_UPD_ENTROPY
#define VP8_EFLAG_NO_UPD_ENTROPY
Disable entropy update.
Definition vp8cx.h:133
VP8_EFLAG_NO_UPD_LAST
#define VP8_EFLAG_NO_UPD_LAST
Don't update the last frame.
Definition vp8cx.h:98
VP8_EFLAG_NO_REF_ARF
#define VP8_EFLAG_NO_REF_ARF
Don't reference the alternate reference frame.
Definition vp8cx.h:91
VP8_EFLAG_NO_UPD_GF
#define VP8_EFLAG_NO_UPD_GF
Don't update the golden frame.
Definition vp8cx.h:105
VP8_EFLAG_NO_REF_GF
#define VP8_EFLAG_NO_REF_GF
Don't reference the golden frame.
Definition vp8cx.h:83
VP8_EFLAG_NO_REF_LAST
#define VP8_EFLAG_NO_REF_LAST
Don't reference the last frame.
Definition vp8cx.h:75
VP9E_SET_FRAME_PERIODIC_BOOST
@ VP9E_SET_FRAME_PERIODIC_BOOST
Codec control function to enable/disable periodic Q boost.
Definition vp8cx.h:431
VP9E_SET_SVC_LAYER_ID
@ VP9E_SET_SVC_LAYER_ID
Codec control function to set svc layer for spatial and temporal.
Definition vp8cx.h:471
VP8E_SET_MAX_INTRA_BITRATE_PCT
@ VP8E_SET_MAX_INTRA_BITRATE_PCT
Codec control function to set Max data rate for Intra frames.
Definition vp8cx.h:275
VP9E_SET_ROI_MAP
@ VP9E_SET_ROI_MAP
Codec control function to pass an ROI map to encoder.
Definition vp8cx.h:454
VP8E_SET_ROI_MAP
@ VP8E_SET_ROI_MAP
Codec control function to pass an ROI map to encoder.
Definition vp8cx.h:147
VP9E_SET_AQ_MODE
@ VP9E_SET_AQ_MODE
Codec control function to set adaptive quantization mode.
Definition vp8cx.h:416
VP8E_SET_NOISE_SENSITIVITY
@ VP8E_SET_NOISE_SENSITIVITY
control function to set noise sensitivity
Definition vp8cx.h:191
VP8E_SET_TOKEN_PARTITIONS
@ VP8E_SET_TOKEN_PARTITIONS
Codec control function to set the number of token partitions.
Definition vp8cx.h:212
VP9E_SET_POSTENCODE_DROP
@ VP9E_SET_POSTENCODE_DROP
Codec control function to enable postencode frame drop.
Definition vp8cx.h:684
VP9E_SET_DISABLE_OVERSHOOT_MAXQ_CBR
@ VP9E_SET_DISABLE_OVERSHOOT_MAXQ_CBR
Codec control function to disable increase Q on overshoot in CBR.
Definition vp8cx.h:700
VP9E_SET_SVC_PARAMETERS
@ VP9E_SET_SVC_PARAMETERS
Codec control function to set parameters for SVC.
Definition vp8cx.h:462
VP9E_SET_FRAME_PARALLEL_DECODING
@ VP9E_SET_FRAME_PARALLEL_DECODING
Codec control function to enable frame parallel decoding feature.
Definition vp8cx.h:403
VP8E_SET_GF_CBR_BOOST_PCT
@ VP8E_SET_GF_CBR_BOOST_PCT
Boost percentage for Golden Frame in CBR mode.
Definition vp8cx.h:607
VP9E_SET_TUNE_CONTENT
@ VP9E_SET_TUNE_CONTENT
Codec control function to set content type.
Definition vp8cx.h:481
VP9E_SET_SVC
@ VP9E_SET_SVC
Codec control function to turn on/off SVC in encoder.
Definition vp8cx.h:448
VP9E_SET_ROW_MT
@ VP9E_SET_ROW_MT
Codec control function to set row level multi-threading.
Definition vp8cx.h:576
VP8E_SET_CPUUSED
@ VP8E_SET_CPUUSED
Codec control function to set encoder internal speed settings.
Definition vp8cx.h:173
VP8E_SET_TEMPORAL_LAYER_ID
@ VP8E_SET_TEMPORAL_LAYER_ID
Codec control function to set the temporal layer id.
Definition vp8cx.h:322
VP9E_SET_TILE_COLUMNS
@ VP9E_SET_TILE_COLUMNS
Codec control function to set number of tile columns.
Definition vp8cx.h:369
VP8E_SET_STATIC_THRESHOLD
@ VP8E_SET_STATIC_THRESHOLD
Codec control function to set the threshold for MBs treated static.
Definition vp8cx.h:206
VP8E_SET_SCREEN_CONTENT_MODE
@ VP8E_SET_SCREEN_CONTENT_MODE
Codec control function to set encoder screen content mode.
Definition vp8cx.h:330
VP9E_SET_DISABLE_LOOPFILTER
@ VP9E_SET_DISABLE_LOOPFILTER
Codec control function to disable loopfilter.
Definition vp8cx.h:709
VP9E_SET_NOISE_SENSITIVITY
@ VP9E_SET_NOISE_SENSITIVITY
Codec control function to set noise sensitivity.
Definition vp8cx.h:439
VP9E_SET_GF_CBR_BOOST_PCT
@ VP9E_SET_GF_CBR_BOOST_PCT
Boost percentage for Golden Frame in CBR mode.
Definition vp8cx.h:311
VP9E_TEMPORAL_LAYERING_MODE_BYPASS
@ VP9E_TEMPORAL_LAYERING_MODE_BYPASS
Bypass mode. Used when application needs to control temporal layering. This will only work when the n...
Definition vp8cx.h:800
vpx_codec_ctx
Codec context structure.
Definition vpx_codec.h:200
vpx_codec_cx_pkt
Encoder output packet.
Definition vpx_encoder.h:163
vpx_codec_cx_pkt::flags
vpx_codec_frame_flags_t flags
Definition vpx_encoder.h:173
vpx_codec_cx_pkt::kind
enum vpx_codec_cx_pkt_kind kind
Definition vpx_encoder.h:164
vpx_codec_cx_pkt::frame
struct vpx_codec_cx_pkt::@1::@2 frame
vpx_codec_cx_pkt::sz
size_t sz
Definition vpx_encoder.h:168
vpx_codec_cx_pkt::buf
void * buf
Definition vpx_encoder.h:167
vpx_codec_cx_pkt::data
union vpx_codec_cx_pkt::@1 data
vpx_codec_enc_cfg
Encoder configuration structure.
Definition vpx_encoder.h:272
vpx_codec_enc_cfg::rc_resize_allowed
unsigned int rc_resize_allowed
Enable/disable spatial resampling, if supported by the codec.
Definition vpx_encoder.h:404
vpx_codec_enc_cfg::temporal_layering_mode
int temporal_layering_mode
Temporal layering mode indicating which temporal layering scheme to use.
Definition vpx_encoder.h:697
vpx_codec_enc_cfg::kf_min_dist
unsigned int kf_min_dist
Keyframe minimum interval.
Definition vpx_encoder.h:609
vpx_codec_enc_cfg::rc_min_quantizer
unsigned int rc_min_quantizer
Minimum (Best Quality) Quantizer.
Definition vpx_encoder.h:477
vpx_codec_enc_cfg::ts_number_layers
unsigned int ts_number_layers
Number of temporal coding layers.
Definition vpx_encoder.h:648
vpx_codec_enc_cfg::ss_number_layers
unsigned int ss_number_layers
Number of spatial coding layers.
Definition vpx_encoder.h:628
vpx_codec_enc_cfg::g_profile
unsigned int g_profile
Bitstream profile to use.
Definition vpx_encoder.h:299
vpx_codec_enc_cfg::layer_target_bitrate
unsigned int layer_target_bitrate[12]
Target bitrate for each spatial/temporal layer.
Definition vpx_encoder.h:688
vpx_codec_enc_cfg::g_h
unsigned int g_h
Height of the frame.
Definition vpx_encoder.h:317
vpx_codec_enc_cfg::kf_mode
enum vpx_kf_mode kf_mode
Keyframe placement mode.
Definition vpx_encoder.h:600
vpx_codec_enc_cfg::ts_layer_id
unsigned int ts_layer_id[16]
Template defining the membership of frames to temporal layers.
Definition vpx_encoder.h:680
vpx_codec_enc_cfg::g_error_resilient
vpx_codec_er_flags_t g_error_resilient
Enable error resilient modes.
Definition vpx_encoder.h:355
vpx_codec_enc_cfg::ts_periodicity
unsigned int ts_periodicity
Length of the sequence defining frame temporal layer membership.
Definition vpx_encoder.h:671
vpx_codec_enc_cfg::rc_overshoot_pct
unsigned int rc_overshoot_pct
Rate control adaptation overshoot control.
Definition vpx_encoder.h:520
vpx_codec_enc_cfg::g_w
unsigned int g_w
Width of the frame.
Definition vpx_encoder.h:308
vpx_codec_enc_cfg::rc_buf_sz
unsigned int rc_buf_sz
Decoder Buffer Size.
Definition vpx_encoder.h:535
vpx_codec_enc_cfg::rc_dropframe_thresh
unsigned int rc_dropframe_thresh
Temporal resampling configuration, if supported by the codec.
Definition vpx_encoder.h:395
vpx_codec_enc_cfg::g_timebase
struct vpx_rational g_timebase
Stream timebase units.
Definition vpx_encoder.h:347
vpx_codec_enc_cfg::rc_max_quantizer
unsigned int rc_max_quantizer
Maximum (Worst Quality) Quantizer.
Definition vpx_encoder.h:486
vpx_codec_enc_cfg::g_lag_in_frames
unsigned int g_lag_in_frames
Allow lagged encoding.
Definition vpx_encoder.h:376
vpx_codec_enc_cfg::rc_end_usage
enum vpx_rc_mode rc_end_usage
Rate control algorithm to use.
Definition vpx_encoder.h:444
vpx_codec_enc_cfg::rc_buf_initial_sz
unsigned int rc_buf_initial_sz
Decoder Buffer Initial Size.
Definition vpx_encoder.h:544
vpx_codec_enc_cfg::g_bit_depth
vpx_bit_depth_t g_bit_depth
Bit-depth of the codec.
Definition vpx_encoder.h:325
vpx_codec_enc_cfg::rc_buf_optimal_sz
unsigned int rc_buf_optimal_sz
Decoder Buffer Optimal Size.
Definition vpx_encoder.h:553
vpx_codec_enc_cfg::rc_target_bitrate
unsigned int rc_target_bitrate
Target data rate.
Definition vpx_encoder.h:464
vpx_codec_enc_cfg::ts_target_bitrate
unsigned int ts_target_bitrate[5]
Target bitrate for each temporal layer.
Definition vpx_encoder.h:655
vpx_codec_enc_cfg::g_input_bit_depth
unsigned int g_input_bit_depth
Bit-depth of the input frames.
Definition vpx_encoder.h:333
vpx_codec_enc_cfg::rc_undershoot_pct
unsigned int rc_undershoot_pct
Rate control adaptation undershoot control.
Definition vpx_encoder.h:505
vpx_codec_enc_cfg::ts_rate_decimator
unsigned int ts_rate_decimator[5]
Frame rate decimation factor for each temporal layer.
Definition vpx_encoder.h:662
vpx_codec_enc_cfg::kf_max_dist
unsigned int kf_max_dist
Keyframe maximum interval.
Definition vpx_encoder.h:618
vpx_codec_enc_cfg::g_threads
unsigned int g_threads
Maximum number of threads to use.
Definition vpx_encoder.h:289
vpx_image
Image Descriptor.
Definition vpx_image.h:72
vpx_rational::den
int den
Definition vpx_encoder.h:224
vpx_rational::num
int num
Definition vpx_encoder.h:223
vpx_roi_map
vpx region of interest map
Definition vp8cx.h:817
vpx_roi_map::skip
int skip[8]
Definition vp8cx.h:829
vpx_roi_map::static_threshold
unsigned int static_threshold[4]
Definition vp8cx.h:832
vpx_roi_map::rows
unsigned int rows
Definition vp8cx.h:823
vpx_roi_map::cols
unsigned int cols
Definition vp8cx.h:824
vpx_roi_map::ref_frame
int ref_frame[8]
Definition vp8cx.h:830
vpx_roi_map::delta_q
int delta_q[8]
Definition vp8cx.h:826
vpx_roi_map::roi_map
unsigned char * roi_map
Definition vp8cx.h:822
vpx_roi_map::delta_lf
int delta_lf[8]
Definition vp8cx.h:827
vpx_svc_layer_id
vp9 svc layer parameters
Definition vp8cx.h:894
vpx_svc_layer_id::temporal_layer_id
int temporal_layer_id
Definition vp8cx.h:897
vpx_svc_layer_id::temporal_layer_id_per_spatial
int temporal_layer_id_per_spatial[5]
Definition vp8cx.h:898
vpx_svc_layer_id::spatial_layer_id
int spatial_layer_id
Definition vp8cx.h:895
vpx_svc_parameters
vp9 svc extra configure parameters
Definition vpx_encoder.h:850
vpx_svc_parameters::min_quantizers
int min_quantizers[12]
Definition vpx_encoder.h:852
vpx_svc_parameters::scaling_factor_num
int scaling_factor_num[12]
Definition vpx_encoder.h:853
vpx_svc_parameters::max_quantizers
int max_quantizers[12]
Definition vpx_encoder.h:851
vpx_svc_parameters::scaling_factor_den
int scaling_factor_den[12]
Definition vpx_encoder.h:854
vp8cx.h
Provides definitions for using VP8 or VP9 encoder algorithm within the vpx Codec Interface.
vpx_encoder.h
Describes the encoder algorithm interface to applications.
vpx_img_alloc
vpx_image_t * vpx_img_alloc(vpx_image_t *img, vpx_img_fmt_t fmt, unsigned int d_w, unsigned int d_h, unsigned int align)
Open a descriptor, allocating storage for the underlying image.
VPX_IMG_FMT_I42016
@ VPX_IMG_FMT_I42016
Definition vpx_image.h:47
VPX_IMG_FMT_I420
@ VPX_IMG_FMT_I420
Definition vpx_image.h:42
vpx_img_free
void vpx_img_free(vpx_image_t *img)
Close an image descriptor.