| // Copyright 2015 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include <memory> |
| #include <string> |
| |
| #include "base/files/file_path.h" |
| #include "base/files/memory_mapped_file.h" |
| #include "base/logging.h" |
| #include "media/base/test_data_util.h" |
| #include "media/video/h265_parser.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| |
| namespace media { |
| |
| namespace { |
| struct HevcTestData { |
| std::string file_name; |
| // Number of NALUs in the test stream to be parsed. |
| int num_nalus; |
| }; |
| |
| } // namespace |
| |
| class H265ParserTest : public ::testing::Test { |
| protected: |
| void LoadParserFile(std::string file_name) { |
| parser_.Reset(); |
| base::FilePath file_path = GetTestDataFilePath(file_name); |
| |
| stream_ = std::make_unique<base::MemoryMappedFile>(); |
| ASSERT_TRUE(stream_->Initialize(file_path)) |
| << "Couldn't open stream file: " << file_path.MaybeAsASCII(); |
| |
| parser_.SetStream(stream_->data(), stream_->length()); |
| } |
| |
| bool ParseNalusUntilNut(H265NALU* target_nalu, H265NALU::Type nalu_type) { |
| while (true) { |
| H265Parser::Result res = parser_.AdvanceToNextNALU(target_nalu); |
| if (res == H265Parser::kEOStream) { |
| return false; |
| } |
| EXPECT_EQ(res, H265Parser::kOk); |
| if (target_nalu->nal_unit_type == nalu_type) |
| return true; |
| } |
| } |
| |
| H265Parser parser_; |
| std::unique_ptr<base::MemoryMappedFile> stream_; |
| }; |
| |
| TEST_F(H265ParserTest, RawHevcStreamFileParsing) { |
| HevcTestData test_data[] = { |
| {"bear.hevc", 35}, |
| {"bbb.hevc", 64}, |
| }; |
| |
| for (const auto& data : test_data) { |
| LoadParserFile(data.file_name); |
| // Parse until the end of stream/unsupported stream/error in stream is |
| // found. |
| int num_parsed_nalus = 0; |
| while (true) { |
| H265NALU nalu; |
| H265Parser::Result res = parser_.AdvanceToNextNALU(&nalu); |
| if (res == H265Parser::kEOStream) { |
| DVLOG(1) << "Number of successfully parsed NALUs before EOS: " |
| << num_parsed_nalus; |
| EXPECT_EQ(data.num_nalus, num_parsed_nalus); |
| break; |
| } |
| EXPECT_EQ(res, H265Parser::kOk); |
| |
| ++num_parsed_nalus; |
| DVLOG(4) << "Found NALU " << nalu.nal_unit_type; |
| |
| H265SliceHeader shdr; |
| switch (nalu.nal_unit_type) { |
| case H265NALU::SPS_NUT: |
| int sps_id; |
| res = parser_.ParseSPS(&sps_id); |
| EXPECT_TRUE(!!parser_.GetSPS(sps_id)); |
| break; |
| case H265NALU::PPS_NUT: |
| int pps_id; |
| res = parser_.ParsePPS(nalu, &pps_id); |
| EXPECT_TRUE(!!parser_.GetPPS(pps_id)); |
| break; |
| case H265NALU::TRAIL_N: |
| case H265NALU::TRAIL_R: |
| case H265NALU::TSA_N: |
| case H265NALU::TSA_R: |
| case H265NALU::STSA_N: |
| case H265NALU::STSA_R: |
| case H265NALU::RADL_N: |
| case H265NALU::RADL_R: |
| case H265NALU::RASL_N: |
| case H265NALU::RASL_R: |
| case H265NALU::BLA_W_LP: |
| case H265NALU::BLA_W_RADL: |
| case H265NALU::BLA_N_LP: |
| case H265NALU::IDR_W_RADL: |
| case H265NALU::IDR_N_LP: |
| case H265NALU::CRA_NUT: // fallthrough |
| res = parser_.ParseSliceHeader(nalu, &shdr, nullptr); |
| break; |
| default: |
| break; |
| } |
| EXPECT_EQ(res, H265Parser::kOk); |
| } |
| } |
| } |
| |
| TEST_F(H265ParserTest, SpsParsing) { |
| LoadParserFile("bear.hevc"); |
| H265NALU target_nalu; |
| EXPECT_TRUE(ParseNalusUntilNut(&target_nalu, H265NALU::SPS_NUT)); |
| int sps_id; |
| EXPECT_EQ(H265Parser::kOk, parser_.ParseSPS(&sps_id)); |
| const H265SPS* sps = parser_.GetSPS(sps_id); |
| EXPECT_TRUE(!!sps); |
| EXPECT_EQ(sps->sps_max_sub_layers_minus1, 0); |
| EXPECT_EQ(sps->profile_tier_level.general_profile_idc, 1); |
| EXPECT_EQ(sps->profile_tier_level.general_level_idc, 60); |
| EXPECT_EQ(sps->sps_seq_parameter_set_id, 0); |
| EXPECT_EQ(sps->chroma_format_idc, 1); |
| EXPECT_FALSE(sps->separate_colour_plane_flag); |
| EXPECT_EQ(sps->pic_width_in_luma_samples, 320); |
| EXPECT_EQ(sps->pic_height_in_luma_samples, 184); |
| EXPECT_EQ(sps->conf_win_left_offset, 0); |
| EXPECT_EQ(sps->conf_win_right_offset, 0); |
| EXPECT_EQ(sps->conf_win_top_offset, 0); |
| EXPECT_EQ(sps->conf_win_bottom_offset, 2); |
| EXPECT_EQ(sps->bit_depth_luma_minus8, 0); |
| EXPECT_EQ(sps->bit_depth_chroma_minus8, 0); |
| EXPECT_EQ(sps->log2_max_pic_order_cnt_lsb_minus4, 4); |
| EXPECT_EQ(sps->sps_max_dec_pic_buffering_minus1[0], 4); |
| EXPECT_EQ(sps->sps_max_num_reorder_pics[0], 2); |
| EXPECT_EQ(sps->sps_max_latency_increase_plus1[0], 0); |
| for (int i = 1; i < kMaxSubLayers; ++i) { |
| EXPECT_EQ(sps->sps_max_dec_pic_buffering_minus1[i], 0); |
| EXPECT_EQ(sps->sps_max_num_reorder_pics[i], 0); |
| EXPECT_EQ(sps->sps_max_latency_increase_plus1[i], 0); |
| } |
| EXPECT_EQ(sps->log2_min_luma_coding_block_size_minus3, 0); |
| EXPECT_EQ(sps->log2_diff_max_min_luma_coding_block_size, 3); |
| EXPECT_EQ(sps->log2_min_luma_transform_block_size_minus2, 0); |
| EXPECT_EQ(sps->log2_diff_max_min_luma_transform_block_size, 3); |
| EXPECT_EQ(sps->max_transform_hierarchy_depth_inter, 0); |
| EXPECT_EQ(sps->max_transform_hierarchy_depth_intra, 0); |
| EXPECT_FALSE(sps->scaling_list_enabled_flag); |
| EXPECT_FALSE(sps->sps_scaling_list_data_present_flag); |
| EXPECT_FALSE(sps->amp_enabled_flag); |
| EXPECT_TRUE(sps->sample_adaptive_offset_enabled_flag); |
| EXPECT_FALSE(sps->pcm_enabled_flag); |
| EXPECT_EQ(sps->pcm_sample_bit_depth_luma_minus1, 0); |
| EXPECT_EQ(sps->pcm_sample_bit_depth_chroma_minus1, 0); |
| EXPECT_EQ(sps->log2_min_pcm_luma_coding_block_size_minus3, 0); |
| EXPECT_EQ(sps->log2_diff_max_min_pcm_luma_coding_block_size, 0); |
| EXPECT_FALSE(sps->pcm_loop_filter_disabled_flag); |
| EXPECT_EQ(sps->num_short_term_ref_pic_sets, 0); |
| EXPECT_FALSE(sps->long_term_ref_pics_present_flag); |
| EXPECT_EQ(sps->num_long_term_ref_pics_sps, 0); |
| EXPECT_TRUE(sps->sps_temporal_mvp_enabled_flag); |
| EXPECT_TRUE(sps->strong_intra_smoothing_enabled_flag); |
| EXPECT_EQ(sps->vui_parameters.sar_width, 0); |
| EXPECT_EQ(sps->vui_parameters.sar_height, 0); |
| EXPECT_EQ(sps->vui_parameters.video_full_range_flag, 0); |
| EXPECT_EQ(sps->vui_parameters.colour_description_present_flag, 0); |
| EXPECT_EQ(sps->vui_parameters.colour_primaries, 0); |
| EXPECT_EQ(sps->vui_parameters.transfer_characteristics, 0); |
| EXPECT_EQ(sps->vui_parameters.matrix_coeffs, 0); |
| EXPECT_EQ(sps->vui_parameters.def_disp_win_left_offset, 0); |
| EXPECT_EQ(sps->vui_parameters.def_disp_win_right_offset, 0); |
| EXPECT_EQ(sps->vui_parameters.def_disp_win_top_offset, 0); |
| EXPECT_EQ(sps->vui_parameters.def_disp_win_bottom_offset, 0); |
| } |
| |
| TEST_F(H265ParserTest, PpsParsing) { |
| LoadParserFile("bear.hevc"); |
| H265NALU target_nalu; |
| EXPECT_TRUE(ParseNalusUntilNut(&target_nalu, H265NALU::SPS_NUT)); |
| int sps_id; |
| // We need to parse the SPS so the PPS can find it. |
| EXPECT_EQ(H265Parser::kOk, parser_.ParseSPS(&sps_id)); |
| EXPECT_TRUE(ParseNalusUntilNut(&target_nalu, H265NALU::PPS_NUT)); |
| int pps_id; |
| EXPECT_EQ(H265Parser::kOk, parser_.ParsePPS(target_nalu, &pps_id)); |
| const H265PPS* pps = parser_.GetPPS(pps_id); |
| EXPECT_TRUE(!!pps); |
| EXPECT_EQ(pps->pps_pic_parameter_set_id, 0); |
| EXPECT_EQ(pps->pps_seq_parameter_set_id, 0); |
| EXPECT_FALSE(pps->dependent_slice_segments_enabled_flag); |
| EXPECT_FALSE(pps->output_flag_present_flag); |
| EXPECT_EQ(pps->num_extra_slice_header_bits, 0); |
| EXPECT_TRUE(pps->sign_data_hiding_enabled_flag); |
| EXPECT_FALSE(pps->cabac_init_present_flag); |
| EXPECT_EQ(pps->num_ref_idx_l0_default_active_minus1, 0); |
| EXPECT_EQ(pps->num_ref_idx_l1_default_active_minus1, 0); |
| EXPECT_EQ(pps->init_qp_minus26, 0); |
| EXPECT_FALSE(pps->constrained_intra_pred_flag); |
| EXPECT_FALSE(pps->transform_skip_enabled_flag); |
| EXPECT_TRUE(pps->cu_qp_delta_enabled_flag); |
| EXPECT_EQ(pps->diff_cu_qp_delta_depth, 0); |
| EXPECT_EQ(pps->pps_cb_qp_offset, 0); |
| EXPECT_EQ(pps->pps_cr_qp_offset, 0); |
| EXPECT_FALSE(pps->pps_slice_chroma_qp_offsets_present_flag); |
| EXPECT_TRUE(pps->weighted_pred_flag); |
| EXPECT_FALSE(pps->weighted_bipred_flag); |
| EXPECT_FALSE(pps->transquant_bypass_enabled_flag); |
| EXPECT_FALSE(pps->tiles_enabled_flag); |
| EXPECT_TRUE(pps->entropy_coding_sync_enabled_flag); |
| EXPECT_TRUE(pps->loop_filter_across_tiles_enabled_flag); |
| EXPECT_FALSE(pps->pps_scaling_list_data_present_flag); |
| EXPECT_FALSE(pps->lists_modification_present_flag); |
| EXPECT_EQ(pps->log2_parallel_merge_level_minus2, 0); |
| EXPECT_FALSE(pps->slice_segment_header_extension_present_flag); |
| } |
| |
| TEST_F(H265ParserTest, SliceHeaderParsing) { |
| LoadParserFile("bear.hevc"); |
| H265NALU target_nalu; |
| EXPECT_TRUE(ParseNalusUntilNut(&target_nalu, H265NALU::SPS_NUT)); |
| int sps_id; |
| // We need to parse the SPS/PPS so the slice header can find them. |
| EXPECT_EQ(H265Parser::kOk, parser_.ParseSPS(&sps_id)); |
| EXPECT_TRUE(ParseNalusUntilNut(&target_nalu, H265NALU::PPS_NUT)); |
| int pps_id; |
| EXPECT_EQ(H265Parser::kOk, parser_.ParsePPS(target_nalu, &pps_id)); |
| |
| // Do an IDR slice header first. |
| EXPECT_TRUE(ParseNalusUntilNut(&target_nalu, H265NALU::IDR_W_RADL)); |
| H265SliceHeader shdr; |
| EXPECT_EQ(H265Parser::kOk, |
| parser_.ParseSliceHeader(target_nalu, &shdr, nullptr)); |
| EXPECT_TRUE(shdr.first_slice_segment_in_pic_flag); |
| EXPECT_FALSE(shdr.no_output_of_prior_pics_flag); |
| EXPECT_EQ(shdr.slice_pic_parameter_set_id, 0); |
| EXPECT_FALSE(shdr.dependent_slice_segment_flag); |
| EXPECT_EQ(shdr.slice_type, H265SliceHeader::kSliceTypeI); |
| EXPECT_TRUE(shdr.slice_sao_luma_flag); |
| EXPECT_TRUE(shdr.slice_sao_chroma_flag); |
| EXPECT_EQ(shdr.slice_qp_delta, 8); |
| EXPECT_TRUE(shdr.slice_loop_filter_across_slices_enabled_flag); |
| |
| // Then do a non-IDR slice header. |
| EXPECT_TRUE(ParseNalusUntilNut(&target_nalu, H265NALU::TRAIL_R)); |
| EXPECT_EQ(H265Parser::kOk, |
| parser_.ParseSliceHeader(target_nalu, &shdr, nullptr)); |
| EXPECT_TRUE(shdr.first_slice_segment_in_pic_flag); |
| EXPECT_EQ(shdr.slice_pic_parameter_set_id, 0); |
| EXPECT_FALSE(shdr.dependent_slice_segment_flag); |
| EXPECT_EQ(shdr.slice_type, H265SliceHeader::kSliceTypeP); |
| EXPECT_EQ(shdr.slice_pic_order_cnt_lsb, 4); |
| EXPECT_FALSE(shdr.short_term_ref_pic_set_sps_flag); |
| EXPECT_EQ(shdr.st_ref_pic_set.num_negative_pics, 1); |
| EXPECT_EQ(shdr.st_ref_pic_set.num_positive_pics, 0); |
| EXPECT_EQ(shdr.st_ref_pic_set.delta_poc_s0[0], -4); |
| EXPECT_EQ(shdr.st_ref_pic_set.used_by_curr_pic_s0[0], 1); |
| EXPECT_TRUE(shdr.slice_temporal_mvp_enabled_flag); |
| EXPECT_TRUE(shdr.slice_sao_luma_flag); |
| EXPECT_TRUE(shdr.slice_sao_chroma_flag); |
| EXPECT_FALSE(shdr.num_ref_idx_active_override_flag); |
| EXPECT_EQ(shdr.pred_weight_table.luma_log2_weight_denom, 0); |
| EXPECT_EQ(shdr.pred_weight_table.delta_chroma_log2_weight_denom, 7); |
| EXPECT_EQ(shdr.pred_weight_table.delta_luma_weight_l0[0], 0); |
| EXPECT_EQ(shdr.pred_weight_table.luma_offset_l0[0], -2); |
| EXPECT_EQ(shdr.pred_weight_table.delta_chroma_weight_l0[0][0], -9); |
| EXPECT_EQ(shdr.pred_weight_table.delta_chroma_weight_l0[0][1], -9); |
| EXPECT_EQ(shdr.pred_weight_table.delta_chroma_offset_l0[0][0], 0); |
| EXPECT_EQ(shdr.pred_weight_table.delta_chroma_offset_l0[0][1], 0); |
| EXPECT_EQ(shdr.five_minus_max_num_merge_cand, 3); |
| EXPECT_EQ(shdr.slice_qp_delta, 8); |
| EXPECT_TRUE(shdr.slice_loop_filter_across_slices_enabled_flag); |
| } |
| |
| } // namespace media |
