/* * Copyright (c) 2021 The WebRTC 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. */ #include "modules/video_coding/utility/vp9_uncompressed_header_parser.h" #include "test/gmock.h" #include "test/gtest.h" namespace webrtc { namespace vp9 { using ::testing::AllOf; using ::testing::ElementsAre; using ::testing::Eq; using ::testing::Field; using ::testing::Optional; TEST(Vp9UncompressedHeaderParserTest, FrameWithSegmentation) { // Uncompressed header from a frame generated with libvpx. // Encoded QVGA frame (SL0 of a VGA frame) that includes a segmentation. const uint8_t kHeader[] = { 0x87, 0x01, 0x00, 0x00, 0x02, 0x7e, 0x01, 0xdf, 0x02, 0x7f, 0x01, 0xdf, 0xc6, 0x87, 0x04, 0x83, 0x83, 0x2e, 0x46, 0x60, 0x20, 0x38, 0x0c, 0x06, 0x03, 0xcd, 0x80, 0xc0, 0x60, 0x9f, 0xc5, 0x46, 0x00, 0x00, 0x00, 0x00, 0x2e, 0x73, 0xb7, 0xee, 0x22, 0x06, 0x81, 0x82, 0xd4, 0xef, 0xc3, 0x58, 0x1f, 0x12, 0xd2, 0x7b, 0x28, 0x1f, 0x80, 0xfc, 0x07, 0xe0, 0x00, 0x00}; absl::optional frame_info = ParseUncompressedVp9Header(kHeader); ASSERT_TRUE(frame_info.has_value()); EXPECT_FALSE(frame_info->is_keyframe); EXPECT_TRUE(frame_info->error_resilient); EXPECT_TRUE(frame_info->show_frame); EXPECT_FALSE(frame_info->show_existing_frame); EXPECT_EQ(frame_info->base_qp, 185); EXPECT_EQ(frame_info->frame_width, 320); EXPECT_EQ(frame_info->frame_height, 240); EXPECT_EQ(frame_info->render_width, 640); EXPECT_EQ(frame_info->render_height, 480); EXPECT_TRUE(frame_info->allow_high_precision_mv); EXPECT_EQ(frame_info->frame_context_idx, 0u); EXPECT_EQ(frame_info->interpolation_filter, Vp9InterpolationFilter::kSwitchable); EXPECT_EQ(frame_info->is_lossless, false); EXPECT_EQ(frame_info->profile, 0); EXPECT_THAT(frame_info->reference_buffers, ElementsAre(0, 0, 0)); EXPECT_THAT(frame_info->reference_buffers_sign_bias, 0b0000); EXPECT_EQ(frame_info->updated_buffers, 0b10000000); EXPECT_EQ(frame_info->tile_cols_log2, 0u); EXPECT_EQ(frame_info->tile_rows_log2, 0u); EXPECT_EQ(frame_info->render_size_offset_bits, 64u); EXPECT_EQ(frame_info->compressed_header_size, 23u); EXPECT_EQ(frame_info->uncompressed_header_size, 37u); EXPECT_TRUE(frame_info->segmentation_enabled); EXPECT_FALSE(frame_info->segmentation_is_delta); EXPECT_THAT(frame_info->segmentation_pred_prob, Optional(ElementsAre(205, 1, 1))); EXPECT_THAT(frame_info->segmentation_tree_probs, Optional(ElementsAre(255, 255, 128, 1, 128, 128, 128))); EXPECT_THAT(frame_info->segmentation_features[1][kVp9SegLvlAlt_Q], Eq(-63)); EXPECT_THAT(frame_info->segmentation_features[2][kVp9SegLvlAlt_Q], Eq(-81)); } TEST(Vp9UncompressedHeaderParserTest, SegmentationWithDefaultPredProbs) { const uint8_t kHeader[] = {0x90, 0x49, 0x83, 0x42, 0x80, 0x2e, 0x30, 0x0, 0xb0, 0x0, 0x37, 0xff, 0x06, 0x80, 0x0, 0x0, 0x0, 0x0}; absl::optional frame_info = ParseUncompressedVp9Header(kHeader); ASSERT_TRUE(frame_info.has_value()); EXPECT_THAT(frame_info->segmentation_pred_prob, Optional(ElementsAre(255, 255, 255))); } TEST(Vp9UncompressedHeaderParserTest, SegmentationWithSkipLevel) { const uint8_t kHeader[] = {0x90, 0x49, 0x83, 0x42, 0x80, 0x2e, 0x30, 0x00, 0xb0, 0x00, 0x37, 0xff, 0x06, 0x80, 0x01, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}; absl::optional frame_info = ParseUncompressedVp9Header(kHeader); ASSERT_TRUE(frame_info.has_value()); EXPECT_THAT(frame_info->segmentation_features[0][kVp9SegLvlSkip], Eq(1)); } } // namespace vp9 } // namespace webrtc