Merge "Datarate test for usage of SVC_SET_REF_FRAME_CONFIG"

This commit is contained in:
Jerome Jiang 2018-01-30 00:01:46 +00:00 committed by Gerrit Code Review
commit e14e9c9964
2 changed files with 125 additions and 0 deletions

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@ -1224,12 +1224,70 @@ class DatarateOnePassCbrSvc
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_));
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 @@ class DatarateOnePassCbrSvc
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 @@ class DatarateOnePassCbrSvc
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,
@ -1761,6 +1836,51 @@ TEST_P(DatarateOnePassCbrSvc, OnePassCbrSvc3SL3TL) {
#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
// the fly switching to 2 spatial layers and then back to 3. This switch is done
// by setting top spatial layer bitrate to 0, and then back to non-zero, during

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@ -128,6 +128,11 @@ class Encoder {
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();