ref: 1f45e7b07ec839dae7a90455e00c3b2d553ea772
parent: 338013712e516d07388651437918e6328ea909f5
author: Jerome Jiang <jianj@google.com>
date: Tue Jun 15 08:54:13 EDT 2021
vp9 rc: add vbr to rtc rate control library Change-Id: I3d2565572c2b905966d60bcaa6e5e6f057b1bd51
--- a/test/ratectrl_rtc_test.cc
+++ b/test/ratectrl_rtc_test.cc
@@ -32,6 +32,7 @@
info.bytes_used;
return is;
}
+
int frame_id;
int spatial_id;
int temporal_id;
@@ -48,13 +49,26 @@
// This test runs the rate control interface and compare against ground truth
// generated by encoders.
// Settings for the encoder:
-// For 1 layer:
+// For 1 layer CBR:
+// - AQ_Mode 0
+// - Disable golden refresh
+// - Bitrate x 2 at frame/superframe 200
+// - Bitrate / 4 at frame/superframe 400
+// examples/vpx_temporal_svc_encoder gipsrec_motion1.1280_720.yuv out vp9
+// 1280 720 1 30 7 0 0 1 0 1000
//
+// For 1 layer VBR:
+// - Set rc_end_usage to VPX_VBR
+// - AQ Mode 0
+// - Disable vp9_compute_frame_low_motion in vp9_encoder.c
// examples/vpx_temporal_svc_encoder gipsrec_motion1.1280_720.yuv out vp9
// 1280 720 1 30 7 0 0 1 0 1000
//
// For SVC (3 temporal layers, 3 spatial layers):
-//
+// - AQ_Mode 0
+// - Disable golden refresh
+// - Bitrate x 2 at frame/superframe 200
+// - Bitrate / 4 at frame/superframe 400
// examples/vp9_spatial_svc_encoder -f 10000 -w 1280 -h 720 -t 1/30 -sl 3
// -k 10000 -bl 100,140,200,250,350,500,450,630,900 -b 1600 --rc-end-usage=1
// --lag-in-frames=0 --passes=1 --speed=7 --threads=1
@@ -61,11 +75,6 @@
// --temporal-layering-mode=3 -aq 1 -rcstat 1
// gipsrec_motion1.1280_720.yuv -o out.webm
//
-// - AQ_Mode 0
-// - Disable golden refresh
-// - Bitrate x 2 at frame/superframe 200
-// - Bitrate / 4 at frame/superframe 400
-//
// The generated file includes:
// frame number, spatial layer ID, temporal layer ID, base QP, target
// bandwidth, buffer level, loopfilter level, encoded frame size
@@ -77,8 +86,8 @@
virtual ~RcInterfaceTest() {}protected:
- void RunOneLayer() {- SetConfigOneLayer();
+ void RunOneLayerCBR() {+ SetConfigOneLayerCBR();
rc_api_ = libvpx::VP9RateControlRTC::Create(rc_cfg_);
FrameInfo frame_info;
libvpx::VP9FrameParamsQpRTC frame_params;
@@ -144,8 +153,58 @@
}
}
+ void RunOneLayerVBR() {+ SetConfigOneLayerVBR();
+ rc_api_ = libvpx::VP9RateControlRTC::Create(rc_cfg_);
+ FrameInfo frame_info;
+ libvpx::VP9FrameParamsQpRTC frame_params;
+ frame_params.frame_type = KEY_FRAME;
+ frame_params.spatial_layer_id = 0;
+ frame_params.temporal_layer_id = 0;
+ std::ifstream one_layer_file;
+ one_layer_file.open(libvpx_test::GetDataPath() +
+ "/rc_interface_test_one_layer_vbr");
+ ASSERT_TRUE(one_layer_file.good());
+ for (size_t i = 0; i < kNumFrame; i++) {+ one_layer_file >> frame_info;
+ if (frame_info.frame_id > 0) frame_params.frame_type = INTER_FRAME;
+ ASSERT_EQ(frame_info.spatial_id, 0);
+ ASSERT_EQ(frame_info.temporal_id, 0);
+ rc_api_->ComputeQP(frame_params);
+ ASSERT_EQ(rc_api_->GetQP(), frame_info.base_q);
+ ASSERT_EQ(rc_api_->GetLoopfilterLevel(), frame_info.filter_level_);
+ rc_api_->PostEncodeUpdate(frame_info.bytes_used);
+ }
+ }
+
+ void RunOneLayerVBRPeriodicKey() {+ SetConfigOneLayerVBRPeriodicKey();
+ rc_api_ = libvpx::VP9RateControlRTC::Create(rc_cfg_);
+ FrameInfo frame_info;
+ libvpx::VP9FrameParamsQpRTC frame_params;
+ frame_params.frame_type = KEY_FRAME;
+ frame_params.spatial_layer_id = 0;
+ frame_params.temporal_layer_id = 0;
+ std::ifstream one_layer_file;
+ one_layer_file.open(libvpx_test::GetDataPath() +
+ "/rc_interface_test_one_layer_vbr_periodic_key");
+ ASSERT_TRUE(one_layer_file.good());
+ for (size_t i = 0; i < kNumFrame; i++) {+ one_layer_file >> frame_info;
+ if (frame_info.frame_id > 0) frame_params.frame_type = INTER_FRAME;
+ if (frame_info.frame_id % rc_cfg_.key_freq == 0)
+ frame_params.frame_type = KEY_FRAME;
+ ASSERT_EQ(frame_info.spatial_id, 0);
+ ASSERT_EQ(frame_info.temporal_id, 0);
+ rc_api_->ComputeQP(frame_params);
+ ASSERT_EQ(rc_api_->GetQP(), frame_info.base_q);
+ ASSERT_EQ(rc_api_->GetLoopfilterLevel(), frame_info.filter_level_);
+ rc_api_->PostEncodeUpdate(frame_info.bytes_used);
+ }
+ }
+
private:
- void SetConfigOneLayer() {+ void SetConfig() {rc_cfg_.width = 1280;
rc_cfg_.height = 720;
rc_cfg_.max_quantizer = 52;
@@ -167,6 +226,24 @@
rc_cfg_.min_quantizers[0] = 2;
}
+ void SetConfigOneLayerCBR() {+ SetConfig();
+ rc_cfg_.rc_mode = VPX_CBR;
+ rc_cfg_.key_freq = 3000;
+ }
+
+ void SetConfigOneLayerVBR() {+ SetConfig();
+ rc_cfg_.rc_mode = VPX_VBR;
+ rc_cfg_.key_freq = 3000;
+ }
+
+ void SetConfigOneLayerVBRPeriodicKey() {+ SetConfig();
+ rc_cfg_.rc_mode = VPX_VBR;
+ rc_cfg_.key_freq = 300;
+ }
+
void SetConfigSVC() {rc_cfg_.width = 1280;
rc_cfg_.height = 720;
@@ -182,6 +259,7 @@
rc_cfg_.framerate = 30.0;
rc_cfg_.ss_number_layers = 3;
rc_cfg_.ts_number_layers = 3;
+ rc_cfg_.rc_mode = VPX_CBR;
rc_cfg_.scaling_factor_num[0] = 1;
rc_cfg_.scaling_factor_den[0] = 4;
@@ -217,7 +295,11 @@
libvpx::VP9RateControlRtcConfig rc_cfg_;
};
-TEST_F(RcInterfaceTest, OneLayer) { RunOneLayer(); }+TEST_F(RcInterfaceTest, OneLayerCBR) { RunOneLayerCBR(); }+
+TEST_F(RcInterfaceTest, OneLayerVBR) { RunOneLayerVBR(); }+
+TEST_F(RcInterfaceTest, OneLayerVBRPeriodicKey) { RunOneLayerVBRPeriodicKey(); } TEST_F(RcInterfaceTest, SVC) { RunSVC(); }} // namespace
--- a/test/test-data.mk
+++ b/test/test-data.mk
@@ -28,6 +28,8 @@
LIBVPX_TEST_DATA-$(CONFIG_VP9_ENCODER) += screendata.y4m
LIBVPX_TEST_DATA-$(CONFIG_VP9_ENCODER) += niklas_640_480_30.yuv
LIBVPX_TEST_DATA-$(CONFIG_VP9_ENCODER) += rc_interface_test_one_layer
+LIBVPX_TEST_DATA-$(CONFIG_VP9_ENCODER) += rc_interface_test_one_layer_vbr
+LIBVPX_TEST_DATA-$(CONFIG_VP9_ENCODER) += rc_interface_test_one_layer_vbr_periodic_key
LIBVPX_TEST_DATA-$(CONFIG_VP9_ENCODER) += rc_interface_test_svc
LIBVPX_TEST_DATA-$(CONFIG_VP9_ENCODER) += bus_352x288_420_f20_b8.yuv
--- a/vp9/encoder/vp9_ratectrl.c
+++ b/vp9/encoder/vp9_ratectrl.c
@@ -39,9 +39,6 @@
#define MAX_MB_RATE 250
#define MAXRATE_1080P 4000000
-#define DEFAULT_KF_BOOST 2000
-#define DEFAULT_GF_BOOST 2000
-
#define LIMIT_QRANGE_FOR_ALTREF_AND_KEY 1
#define MIN_BPB_FACTOR 0.005
--- a/vp9/encoder/vp9_ratectrl.h
+++ b/vp9/encoder/vp9_ratectrl.h
@@ -27,6 +27,9 @@
// Bits Per MB at different Q (Multiplied by 512)
#define BPER_MB_NORMBITS 9
+#define DEFAULT_KF_BOOST 2000
+#define DEFAULT_GF_BOOST 2000
+
#define MIN_GF_INTERVAL 4
#define MAX_GF_INTERVAL 16
#define FIXED_GF_INTERVAL 8 // Used in some testing modes only
--- a/vp9/ratectrl_rtc.cc
+++ b/vp9/ratectrl_rtc.cc
@@ -38,13 +38,16 @@
cm->profile = PROFILE_0;
cm->bit_depth = VPX_BITS_8;
cm->show_frame = 1;
- oxcf->rc_mode = VPX_CBR;
oxcf->profile = cm->profile;
oxcf->bit_depth = cm->bit_depth;
+ oxcf->rc_mode = rc_cfg.rc_mode;
oxcf->pass = 0;
oxcf->aq_mode = NO_AQ;
oxcf->content = VP9E_CONTENT_DEFAULT;
oxcf->drop_frames_water_mark = 0;
+ cm->current_video_frame = 0;
+ oxcf->key_freq = rc_cfg.key_freq;
+ rc->kf_boost = DEFAULT_KF_BOOST;
UpdateRateControl(rc_cfg);
@@ -57,8 +60,8 @@
rc->rc_2_frame = 0;
vp9_rc_init_minq_luts();
vp9_rc_init(oxcf, 0, rc);
+ rc->frames_to_key = oxcf->key_freq;
cpi_->sf.use_nonrd_pick_mode = 1;
- cm->current_video_frame = 0;
}
void VP9RateControlRTC::UpdateRateControl(
@@ -75,6 +78,7 @@
oxcf->best_allowed_q = vp9_quantizer_to_qindex(rc_cfg.min_quantizer);
rc->worst_quality = oxcf->worst_allowed_q;
rc->best_quality = oxcf->best_allowed_q;
+ oxcf->init_framerate = rc_cfg.framerate;
oxcf->target_bandwidth = 1000 * rc_cfg.target_bandwidth;
oxcf->starting_buffer_level_ms = rc_cfg.buf_initial_sz;
oxcf->optimal_buffer_level_ms = rc_cfg.buf_optimal_sz;
@@ -140,11 +144,24 @@
cpi_->sf.use_nonrd_pick_mode = 1;
if (cpi_->svc.number_spatial_layers == 1 &&
cpi_->svc.number_temporal_layers == 1) {- int target;
- if (frame_is_intra_only(cm))
- target = vp9_calc_iframe_target_size_one_pass_cbr(cpi_);
- else
- target = vp9_calc_pframe_target_size_one_pass_cbr(cpi_);
+ int target = 0;
+ if (cpi_->oxcf.rc_mode == VPX_CBR) {+ if (frame_is_intra_only(cm))
+ target = vp9_calc_iframe_target_size_one_pass_cbr(cpi_);
+ else
+ target = vp9_calc_pframe_target_size_one_pass_cbr(cpi_);
+ } else if (cpi_->oxcf.rc_mode == VPX_VBR) {+ if (cm->frame_type == KEY_FRAME) {+ cpi_->rc.this_key_frame_forced =
+ cm->current_video_frame != 0 && cpi_->rc.frames_to_key == 0;
+ cpi_->rc.frames_to_key = cpi_->oxcf.key_freq;
+ }
+ vp9_set_gf_update_one_pass_vbr(cpi_);
+ if (frame_is_intra_only(cm))
+ target = vp9_calc_iframe_target_size_one_pass_vbr(cpi_);
+ else
+ target = vp9_calc_pframe_target_size_one_pass_vbr(cpi_);
+ }
vp9_rc_set_frame_target(cpi_, target);
vp9_update_buffer_level_preencode(cpi_);
} else {--- a/vp9/ratectrl_rtc.h
+++ b/vp9/ratectrl_rtc.h
@@ -49,6 +49,10 @@
int scaling_factor_den[VPX_SS_MAX_LAYERS];
int layer_target_bitrate[VPX_MAX_LAYERS];
int ts_rate_decimator[VPX_TS_MAX_LAYERS];
+ // vbr, cbr
+ enum vpx_rc_mode rc_mode;
+ // key frame frequency
+ int key_freq;
};
struct VP9FrameParamsQpRTC {