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1# Copyright (c) 2023, Alliance for Open Media. All rights reserved
2#
3# This source code is subject to the terms of the BSD 3-Clause Clear License
4# and the Alliance for Open Media Patent License 1.0. If the BSD 3-Clause Clear
5# License was not distributed with this source code in the LICENSE file, you
6# can obtain it at www.aomedia.org/license/software-license/bsd-3-c-c. If the
7# Alliance for Open Media Patent License 1.0 was not distributed with this
8# source code in the PATENTS file, you can obtain it at
9# www.aomedia.org/license/patent.
10
11# proto-file: iamf/cli/proto/user_metadata.proto
12# proto-message: UserMetadata
13
14test_vector_metadata {
15  human_readable_description:
16    "A mixed first-order ambisonics IAMF stream encoded using FLAC and "
17    "`ambisonics_mode` = `MONO`."
18  file_name_prefix: "test_000500"
19  is_valid: true
20  is_valid_to_decode: true
21  validate_user_loudness: true
22  mp4_fixed_timestamp: "2023-05-12 00:00:00"
23  test_repository_tags: [
24    "github/aomediacodec/libiamf/main",
25    "github/aomediacodec/libiamf/v1.0.0-errata"
26  ]
27  primary_tested_spec_sections: [
28    "3.6.3/ambisonics_mono_config",
29    "3.9/Audio Frame OBU Syntax and Semantics",
30    "3.11.3/FLAC Specific"
31  ]
32  base_test: "test_000074"
33}
34
35encoder_control_metadata {
36  add_build_information_tag: false
37}
38
39ia_sequence_header_metadata {
40  primary_profile: PROFILE_VERSION_SIMPLE
41  additional_profile: PROFILE_VERSION_SIMPLE
42}
43
44codec_config_metadata {
45  codec_config_id: 200
46  codec_config {
47    codec_id: CODEC_ID_FLAC
48    num_samples_per_frame: 64
49    audio_roll_distance: 0
50    decoder_config_flac: {
51      metadata_blocks: {
52        header: {
53          last_metadata_block_flag: true
54          block_type: FLAC_BLOCK_TYPE_STREAMINFO
55          metadata_data_block_length: 34
56        }
57        stream_info {
58          minimum_block_size: 64
59          maximum_block_size: 64
60          sample_rate: 48000
61          bits_per_sample: 15  # Flac interprets this as 16 bits.
62          total_samples_in_stream: 24000
63        }
64      }
65      flac_encoder_metadata {
66        compression_level: 8
67      }
68    }
69  }
70}
71
72audio_element_metadata {
73  audio_element_id: 300
74  audio_element_type: AUDIO_ELEMENT_SCENE_BASED
75  reserved: 0
76  codec_config_id: 200
77  num_substreams: 3
78  audio_substream_ids: [0, 1, 2]
79  num_parameters: 0
80  ambisonics_config {
81    ambisonics_mode: AMBISONICS_MODE_MONO
82    ambisonics_mono_config {
83      output_channel_count: 4
84      substream_count: 3
85      # A2 is not present.
86      channel_mapping: [0, 1, 255, 2]
87    }
88  }
89}
90
91mix_presentation_metadata {
92  mix_presentation_id: 42
93  count_label: 1
94  annotations_language: ["en-us"]
95  localized_presentation_annotations: ["test_mix_pres"]
96  num_sub_mixes: 1
97  sub_mixes {
98    num_audio_elements: 1
99    audio_elements {
100      audio_element_id: 300
101      localized_element_annotations: ["test_sub_mix_0_audio_element_0"]
102      rendering_config {
103        headphones_rendering_mode: HEADPHONES_RENDERING_MODE_STEREO
104      }
105      element_mix_gain {
106        param_definition {
107          parameter_id: 999  # Non-existent; default will be used
108          parameter_rate: 48000
109          param_definition_mode: 1
110          reserved: 0
111        }
112        default_mix_gain: 0
113      }
114    }
115    output_mix_gain {
116      param_definition {
117        parameter_id: 999  # Non-existent; default will be used
118        parameter_rate: 48000
119        param_definition_mode: 1
120        reserved: 0
121      }
122      default_mix_gain: 0
123    }
124    num_layouts: 1
125    layouts {
126      loudness_layout {
127        layout_type: LAYOUT_TYPE_LOUDSPEAKERS_SS_CONVENTION
128        ss_layout {
129          sound_system: SOUND_SYSTEM_A_0_2_0
130          reserved: 0
131        }
132      }
133      loudness {
134        info_type_bit_masks: []
135        integrated_loudness: -5209
136        digital_peak: -4109
137      }
138    }
139  }
140}
141
142audio_frame_metadata {
143  wav_filename: "sawtooth_10000_foa_48khz.wav"
144  samples_to_trim_at_end: 0
145  samples_to_trim_at_start: 0
146  audio_element_id: 300
147  channel_metadatas: [
148    { channel_id: 0 channel_label: CHANNEL_LABEL_A_0 },
149    { channel_id: 1 channel_label: CHANNEL_LABEL_A_1 },
150    { channel_id: 3 channel_label: CHANNEL_LABEL_A_3 }
151  ]
152}
153
154temporal_delimiter_metadata {
155  enable_temporal_delimiters: false
156}
157