ref: 9a96b18f03add7008ae9d69ce51b382eea85e3aa
parent: ea1d0a6b53e83c3f2e89aac06d47e39123f706a4
author: Jerome Jiang <jianj@google.com>
date: Thu Jan 25 05:43:00 EST 2018
Datarate test for usage of SVC_SET_REF_FRAME_CONFIG Change-Id: Iea7fc1b6cea84826eb45b1f01bd923323c2c9a6f
--- a/test/datarate_test.cc
+++ b/test/datarate_test.cc
@@ -1224,6 +1224,7 @@
base_speed_setting_ = 5;
spatial_layer_id_ = 0;
temporal_layer_id_ = 0;
+ update_pattern_ = 0;
memset(bits_in_buffer_model_, 0, sizeof(bits_in_buffer_model_));
memset(bits_total_, 0, sizeof(bits_total_));
memset(layer_target_avg_bandwidth_, 0, sizeof(layer_target_avg_bandwidth_));
@@ -1230,6 +1231,63 @@
dynamic_drop_layer_ = false;
}
virtual void BeginPassHook(unsigned int /*pass*/) {}+
+ // Example pattern for spatial layers and 2 temporal layers used in the
+ // bypass/flexible mode. The pattern corresponds to the pattern
+ // VP9E_TEMPORAL_LAYERING_MODE_0101 (temporal_layering_mode == 2) used in
+ // non-flexible mode, except that we disable inter-layer prediction.
+ void set_frame_flags_bypass_mode(
+ int tl, int num_spatial_layers, int is_key_frame,
+ vpx_svc_ref_frame_config_t *ref_frame_config) {+ for (int sl = 0; sl < num_spatial_layers; ++sl) {+ if (!tl) {+ if (!sl) {+ ref_frame_config->frame_flags[sl] =
+ VP8_EFLAG_NO_REF_GF | VP8_EFLAG_NO_REF_ARF | VP8_EFLAG_NO_UPD_GF |
+ VP8_EFLAG_NO_UPD_ARF;
+ } else {+ if (is_key_frame) {+ ref_frame_config->frame_flags[sl] =
+ VP8_EFLAG_NO_REF_GF | VP8_EFLAG_NO_REF_ARF |
+ VP8_EFLAG_NO_UPD_LAST | VP8_EFLAG_NO_UPD_ARF;
+ } else {+ ref_frame_config->frame_flags[sl] =
+ VP8_EFLAG_NO_REF_ARF | VP8_EFLAG_NO_UPD_GF |
+ VP8_EFLAG_NO_UPD_ARF | VP8_EFLAG_NO_REF_GF;
+ }
+ }
+ } else if (tl == 1) {+ if (!sl) {+ ref_frame_config->frame_flags[sl] =
+ VP8_EFLAG_NO_REF_GF | VP8_EFLAG_NO_REF_ARF |
+ VP8_EFLAG_NO_UPD_LAST | VP8_EFLAG_NO_UPD_GF;
+ } else {+ ref_frame_config->frame_flags[sl] =
+ VP8_EFLAG_NO_REF_ARF | VP8_EFLAG_NO_UPD_LAST |
+ VP8_EFLAG_NO_UPD_GF | VP8_EFLAG_NO_REF_GF;
+ }
+ }
+ if (tl == 0) {+ ref_frame_config->lst_fb_idx[sl] = sl;
+ if (sl) {+ if (is_key_frame) {+ ref_frame_config->lst_fb_idx[sl] = sl - 1;
+ ref_frame_config->gld_fb_idx[sl] = sl;
+ } else {+ ref_frame_config->gld_fb_idx[sl] = sl - 1;
+ }
+ } else {+ ref_frame_config->gld_fb_idx[sl] = 0;
+ }
+ ref_frame_config->alt_fb_idx[sl] = 0;
+ } else if (tl == 1) {+ ref_frame_config->lst_fb_idx[sl] = sl;
+ ref_frame_config->gld_fb_idx[sl] = num_spatial_layers + sl - 1;
+ ref_frame_config->alt_fb_idx[sl] = num_spatial_layers + sl;
+ }
+ }
+ }
+
virtual void PreEncodeFrameHook(::libvpx_test::VideoSource *video,
::libvpx_test::Encoder *encoder) { if (video->frame() == 0) {@@ -1255,6 +1313,21 @@
encoder->Control(VP9E_SET_TUNE_CONTENT, tune_content_);
}
+ if (update_pattern_ && video->frame() >= 100) {+ vpx_svc_layer_id_t layer_id;
+ if (video->frame() == 100) {+ cfg_.temporal_layering_mode = VP9E_TEMPORAL_LAYERING_MODE_BYPASS;
+ encoder->Config(&cfg_);
+ }
+ // Set layer id since the pattern changed.
+ layer_id.spatial_layer_id = 0;
+ layer_id.temporal_layer_id = (video->frame() % 2 != 0);
+ encoder->Control(VP9E_SET_SVC_LAYER_ID, &layer_id);
+ set_frame_flags_bypass_mode(layer_id.temporal_layer_id,
+ number_spatial_layers_, 0, &ref_frame_config);
+ encoder->Control(VP9E_SET_SVC_REF_FRAME_CONFIG, &ref_frame_config);
+ }
+
if (dynamic_drop_layer_) { if (video->frame() == 100) {// Change layer bitrates to set top layer to 0. This will trigger skip
@@ -1403,6 +1476,8 @@
bool dynamic_drop_layer_;
unsigned int top_sl_width_;
unsigned int top_sl_height_;
+ vpx_svc_ref_frame_config_t ref_frame_config;
+ int update_pattern_;
};
static void assign_layer_bitrates(vpx_codec_enc_cfg_t *const enc_cfg,
const vpx_svc_extra_cfg_t *svc_params,
@@ -1759,6 +1834,51 @@
// mismatched frames.
EXPECT_EQ(static_cast<unsigned int>(200), GetMismatchFrames());
#endif
+}
+
+// Check basic rate targeting for 1 pass CBR SVC: 3 spatial layers and
+// 2 temporal layers, with a change on the fly from the fixed SVC pattern to one
+// generate via SVC_SET_REF_FRAME_CONFIG. The new pattern also disables
+// inter-layer prediction.
+TEST_P(DatarateOnePassCbrSvc, OnePassCbrSvc3SL2TLDynamicPatternChange) {+ cfg_.rc_buf_initial_sz = 500;
+ cfg_.rc_buf_optimal_sz = 500;
+ cfg_.rc_buf_sz = 1000;
+ cfg_.rc_min_quantizer = 0;
+ cfg_.rc_max_quantizer = 63;
+ cfg_.rc_end_usage = VPX_CBR;
+ cfg_.g_lag_in_frames = 0;
+ cfg_.ss_number_layers = 3;
+ cfg_.ts_number_layers = 2;
+ cfg_.ts_rate_decimator[0] = 2;
+ cfg_.ts_rate_decimator[1] = 1;
+ cfg_.g_error_resilient = 1;
+ cfg_.g_threads = 1;
+ cfg_.temporal_layering_mode = 2;
+ svc_params_.scaling_factor_num[0] = 72;
+ svc_params_.scaling_factor_den[0] = 288;
+ svc_params_.scaling_factor_num[1] = 144;
+ svc_params_.scaling_factor_den[1] = 288;
+ svc_params_.scaling_factor_num[2] = 288;
+ svc_params_.scaling_factor_den[2] = 288;
+ cfg_.rc_dropframe_thresh = 0;
+ cfg_.kf_max_dist = 9999;
+ number_spatial_layers_ = cfg_.ss_number_layers;
+ number_temporal_layers_ = cfg_.ts_number_layers;
+ // Change SVC pattern on the fly.
+ update_pattern_ = 1;
+ ::libvpx_test::I420VideoSource video("niklas_640_480_30.yuv", 640, 480, 30, 1,+ 0, 400);
+ top_sl_width_ = 640;
+ top_sl_height_ = 480;
+ cfg_.rc_target_bitrate = 800;
+ ResetModel();
+ assign_layer_bitrates(&cfg_, &svc_params_, cfg_.ss_number_layers,
+ cfg_.ts_number_layers, cfg_.temporal_layering_mode,
+ layer_target_avg_bandwidth_, bits_in_buffer_model_);
+ ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
+ CheckLayerRateTargeting(&cfg_, number_spatial_layers_,
+ number_temporal_layers_, file_datarate_, 0.78, 1.15);
}
// Check basic rate targeting for 1 pass CBR SVC with 3 spatial layers and on
--- a/test/encode_test_driver.h
+++ b/test/encode_test_driver.h
@@ -128,6 +128,11 @@
ASSERT_EQ(VPX_CODEC_OK, res) << EncoderError();
}
+ void Control(int ctrl_id, struct vpx_svc_ref_frame_config *arg) {+ const vpx_codec_err_t res = vpx_codec_control_(&encoder_, ctrl_id, arg);
+ ASSERT_EQ(VPX_CODEC_OK, res) << EncoderError();
+ }
+
void Control(int ctrl_id, struct vpx_svc_parameters *arg) {const vpx_codec_err_t res = vpx_codec_control_(&encoder_, ctrl_id, arg);
ASSERT_EQ(VPX_CODEC_OK, res) << EncoderError();