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vp9-svc: Fix issues with svc with periodic key frames.

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Use the superframe counter to set the key frame, and force
it to the key frame on base spatial layer only.
Also, update svc frame counters under frame dropping.

Update unittest: add specific tests with short key frame period.

https://bugs.chromium.org/p/webm/issues/detail?id=1150

Change-Id: I5b1c9a09253e6e5fbfce51b4cf603ae22d422b01
This commit is contained in:
Marco 2016-03-02 14:45:41 -08:00
parent fcaedc5681
commit 38e401b5da
3 changed files with 103 additions and 20 deletions
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112
test/datarate_test.cc
View File

@ -901,8 +901,6 @@ TEST_P(DatarateOnePassCbrSvc, OnePassCbrSvc2SpatialLayers) {
svc_params_.scaling_factor_num[1] = 288;
svc_params_.scaling_factor_den[1] = 288;
cfg_.rc_dropframe_thresh = 10;
// TODO(marpan): another test should be added for default/small kf_max_dist
// once https://bugs.chromium.org/p/webm/issues/detail?id=1150 is fixed.
cfg_.kf_max_dist = 9999;
::libvpx_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288,
30, 1, 0, 200);
@ -918,10 +916,90 @@ TEST_P(DatarateOnePassCbrSvc, OnePassCbrSvc2SpatialLayers) {
<< " The datarate for the file exceeds the target by too much!";
ASSERT_LE(cfg_.rc_target_bitrate, file_datarate_ * 1.15)
<< " The datarate for the file is lower than the target by too much!";
EXPECT_EQ(GetMismatchFrames(), (unsigned int) 0);
EXPECT_EQ(static_cast<unsigned int>(0), GetMismatchFrames());
}
}
// Check basic rate targeting for 1 pass CBR SVC: 2 spatial layers and
// 3 temporal layers. Run CIF clip with 1 thread. Use short key frame period.
TEST_P(DatarateOnePassCbrSvc, OnePassCbrSvc2SpatialLayersSmallKf_dist) {
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 = 2;
cfg_.ts_number_layers = 3;
cfg_.ts_rate_decimator[0] = 4;
cfg_.ts_rate_decimator[1] = 2;
cfg_.ts_rate_decimator[2] = 1;
cfg_.g_error_resilient = 1;
cfg_.g_threads = 1;
cfg_.temporal_layering_mode = 3;
svc_params_.scaling_factor_num[0] = 144;
svc_params_.scaling_factor_den[0] = 288;
svc_params_.scaling_factor_num[1] = 288;
svc_params_.scaling_factor_den[1] = 288;
cfg_.rc_dropframe_thresh = 10;
cfg_.kf_max_dist = 64;
::libvpx_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288,
30, 1, 0, 200);
// TODO(wonkap/marpan): Check that effective_datarate for each layer hits the
// layer target_bitrate. Also check if test can pass at lower bitrate (~200k).
for (int i = 400; i <= 800; i += 200) {
cfg_.rc_target_bitrate = i;
ResetModel();
assign_layer_bitrates(&cfg_, &svc_params_, cfg_.ss_number_layers,
cfg_.ts_number_layers, cfg_.temporal_layering_mode);
ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
ASSERT_GE(cfg_.rc_target_bitrate, file_datarate_ * 0.85)
<< " The datarate for the file exceeds the target by too much!";
ASSERT_LE(cfg_.rc_target_bitrate, file_datarate_ * 1.15)
<< " The datarate for the file is lower than the target by too much!";
EXPECT_EQ(static_cast<unsigned int>(0), GetMismatchFrames());
}
}
// Check basic rate targeting for 1 pass CBR SVC: 2 spatial layers and
// 3 temporal layers. Run HD clip with 4 threads.
TEST_P(DatarateOnePassCbrSvc, OnePassCbrSvc2SpatialLayers4threads) {
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 = 2;
cfg_.ts_number_layers = 3;
cfg_.ts_rate_decimator[0] = 4;
cfg_.ts_rate_decimator[1] = 2;
cfg_.ts_rate_decimator[2] = 1;
cfg_.g_error_resilient = 1;
cfg_.g_threads = 4;
cfg_.temporal_layering_mode = 3;
svc_params_.scaling_factor_num[0] = 144;
svc_params_.scaling_factor_den[0] = 288;
svc_params_.scaling_factor_num[1] = 288;
svc_params_.scaling_factor_den[1] = 288;
cfg_.rc_dropframe_thresh = 10;
cfg_.kf_max_dist = 9999;
::libvpx_test::I420VideoSource video("niklas_1280_720_30.y4m", 1280, 720,
30, 1, 0, 300);
cfg_.rc_target_bitrate = 800;
ResetModel();
assign_layer_bitrates(&cfg_, &svc_params_, cfg_.ss_number_layers,
cfg_.ts_number_layers, cfg_.temporal_layering_mode);
ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
ASSERT_GE(cfg_.rc_target_bitrate, file_datarate_ * 0.85)
<< " The datarate for the file exceeds the target by too much!";
ASSERT_LE(cfg_.rc_target_bitrate, file_datarate_ * 1.15)
<< " The datarate for the file is lower than the target by too much!";
EXPECT_EQ(static_cast<unsigned int>(0), GetMismatchFrames());
}
// Check basic rate targeting for 1 pass CBR SVC: 3 spatial layers and
// 3 temporal layers. Run CIF clip with 1 thread.
TEST_P(DatarateOnePassCbrSvc, OnePassCbrSvc3SpatialLayers) {
@ -959,12 +1037,12 @@ TEST_P(DatarateOnePassCbrSvc, OnePassCbrSvc3SpatialLayers) {
<< " The datarate for the file exceeds the target by too much!";
ASSERT_LE(cfg_.rc_target_bitrate, file_datarate_ * 1.22)
<< " The datarate for the file is lower than the target by too much!";
EXPECT_EQ(GetMismatchFrames(), (unsigned int) 0);
EXPECT_EQ(static_cast<unsigned int>(0), GetMismatchFrames());
}
// Check basic rate targeting for 1 pass CBR SVC: 2 spatial layers and
// 3 temporal layers. Run HD clip with 4 threads.
TEST_P(DatarateOnePassCbrSvc, OnePassCbrSvc2SpatialLayers4threads) {
// Check basic rate targeting for 1 pass CBR SVC: 3 spatial layers and
// 3 temporal layers. Run CIF clip with 1 thread. Use short key frame period.
TEST_P(DatarateOnePassCbrSvc, OnePassCbrSvc3SpatialLayersSmallKf) {
cfg_.rc_buf_initial_sz = 500;
cfg_.rc_buf_optimal_sz = 500;
cfg_.rc_buf_sz = 1000;
@ -972,32 +1050,34 @@ TEST_P(DatarateOnePassCbrSvc, OnePassCbrSvc2SpatialLayers4threads) {
cfg_.rc_max_quantizer = 63;
cfg_.rc_end_usage = VPX_CBR;
cfg_.g_lag_in_frames = 0;
cfg_.ss_number_layers = 2;
cfg_.ss_number_layers = 3;
cfg_.ts_number_layers = 3;
cfg_.ts_rate_decimator[0] = 4;
cfg_.ts_rate_decimator[1] = 2;
cfg_.ts_rate_decimator[2] = 1;
cfg_.g_error_resilient = 1;
cfg_.g_threads = 4;
cfg_.g_threads = 1;
cfg_.temporal_layering_mode = 3;
svc_params_.scaling_factor_num[0] = 144;
svc_params_.scaling_factor_num[0] = 72;
svc_params_.scaling_factor_den[0] = 288;
svc_params_.scaling_factor_num[1] = 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 = 10;
cfg_.kf_max_dist = 9999;
cfg_.kf_max_dist = 32;
::libvpx_test::I420VideoSource video("niklas_1280_720_30.y4m", 1280, 720,
30, 1, 0, 300);
cfg_.rc_target_bitrate = 800;
ResetModel();
assign_layer_bitrates(&cfg_, &svc_params_, cfg_.ss_number_layers,
cfg_.ts_number_layers, cfg_.temporal_layering_mode);
cfg_.ts_number_layers, cfg_.temporal_layering_mode);
ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
ASSERT_GE(cfg_.rc_target_bitrate, file_datarate_ * 0.85)
<< " The datarate for the file exceeds the target by too much!";
ASSERT_LE(cfg_.rc_target_bitrate, file_datarate_ * 1.15)
ASSERT_LE(cfg_.rc_target_bitrate, file_datarate_ * 1.30)
<< " The datarate for the file is lower than the target by too much!";
EXPECT_EQ(GetMismatchFrames(), (unsigned int) 0);
EXPECT_EQ(static_cast<unsigned int>(0), GetMismatchFrames());
}
// Check basic rate targeting for 1 pass CBR SVC: 3 spatial layers and
@ -1037,7 +1117,7 @@ TEST_P(DatarateOnePassCbrSvc, OnePassCbrSvc3SpatialLayers4threads) {
<< " The datarate for the file exceeds the target by too much!";
ASSERT_LE(cfg_.rc_target_bitrate, file_datarate_ * 1.22)
<< " The datarate for the file is lower than the target by too much!";
EXPECT_EQ(GetMismatchFrames(), (unsigned int) 0);
EXPECT_EQ(static_cast<unsigned int>(0), GetMismatchFrames());
}
VP8_INSTANTIATE_TEST_CASE(DatarateTestLarge, ALL_TEST_MODES);

2
vp9/encoder/vp9_encoder.c
View File

@ -3983,6 +3983,8 @@ static void encode_frame_to_data_rate(VP9_COMP *cpi,
++cm->current_video_frame;
cpi->ext_refresh_frame_flags_pending = 0;
cpi->svc.rc_drop_superframe = 1;
if (cpi->use_svc)
vp9_inc_frame_in_layer(cpi);
return;
}
}

9
vp9/encoder/vp9_ratectrl.c
View File

@ -1594,14 +1594,15 @@ void vp9_rc_get_svc_params(VP9_COMP *cpi) {
int target = rc->avg_frame_bandwidth;
int layer = LAYER_IDS_TO_IDX(cpi->svc.spatial_layer_id,
cpi->svc.temporal_layer_id, cpi->svc.number_temporal_layers);
// Periodic key frames is based on the super-frame counter
// (svc.current_superframe), also only base spatial layer is key frame.
if ((cm->current_video_frame == 0) ||
(cpi->frame_flags & FRAMEFLAGS_KEY) ||
(cpi->oxcf.auto_key && (rc->frames_since_key %
cpi->oxcf.key_freq == 0))) {
(cpi->oxcf.auto_key &&
(cpi->svc.current_superframe % cpi->oxcf.key_freq == 0) &&
cpi->svc.spatial_layer_id == 0)) {
cm->frame_type = KEY_FRAME;
rc->source_alt_ref_active = 0;
if (is_two_pass_svc(cpi)) {
cpi->svc.layer_context[layer].is_key_frame = 1;
cpi->ref_frame_flags &=