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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 first-order ambisonics IAMF stream encoded using "
17    "`ambisonics_mode` = `MONO` with `headphones_rendering_mode == 0`."
18  file_name_prefix: "test_000093"
19  is_valid: true
20  is_valid_to_decode: true
21  validate_user_loudness: true
22  mp4_fixed_timestamp: "2023-07-17 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    "3.7.3/headphones_rendering_mode == 0",
30    "3.11.2/AAC-LC Specific",
31    "7/IAMF Processing",
32    "7.1/channel_mapping",
33    "7.3/Mix Presentation",
34    "7.3.2/Rendering an Audio Element",
35    "7.3.2.2/Rendering a Scene-Based Audio Element to Loudspeakers"
36  ]
37  base_test: "test_000038"
38}
39
40encoder_control_metadata {
41  add_build_information_tag: false
42}
43
44ia_sequence_header_metadata {
45  primary_profile: PROFILE_VERSION_SIMPLE
46  additional_profile: PROFILE_VERSION_SIMPLE
47}
48
49codec_config_metadata {
50  codec_config_id: 200
51  codec_config {
52    codec_id: CODEC_ID_AAC_LC
53    num_samples_per_frame: 1024
54    audio_roll_distance: -1
55    decoder_config_aac: {
56      buffer_size_db: 0
57      max_bitrate: 0
58      average_bit_rate: 0
59      decoder_specific_info {
60        sample_frequency_index: AAC_SAMPLE_FREQUENCY_INDEX_48000
61      }
62      aac_encoder_metadata {
63        bitrate_mode: 0  #  Constant bit rate mode.
64        enable_afterburner: true
65        signaling_mode: 2  # Explicit hierarchical signaling.
66      }
67    }
68  }
69}
70
71audio_element_metadata {
72  audio_element_id: 300
73  audio_element_type: AUDIO_ELEMENT_SCENE_BASED
74  reserved: 0
75  codec_config_id: 200
76  num_substreams: 4
77  audio_substream_ids: [0, 1, 2, 3]
78  num_parameters: 0
79  ambisonics_config {
80    ambisonics_mode: AMBISONICS_MODE_MONO
81    ambisonics_mono_config {
82      output_channel_count: 4
83      substream_count: 4
84      channel_mapping: [0, 1, 2, 3]
85    }
86  }
87}
88
89mix_presentation_metadata {
90  mix_presentation_id: 42
91  count_label: 1
92  annotations_language: ["en-us"]
93  localized_presentation_annotations: ["test_mix_pres"]
94  num_sub_mixes: 1
95  sub_mixes {
96    num_audio_elements: 1
97    audio_elements {
98      audio_element_id: 300
99      localized_element_annotations: ["test_sub_mix_0_audio_element_0"]
100      rendering_config {
101        headphones_rendering_mode: HEADPHONES_RENDERING_MODE_STEREO
102      }
103      element_mix_gain {
104        param_definition {
105          parameter_id: 100
106          parameter_rate: 48000
107          param_definition_mode: 1
108          reserved: 0
109        }
110        default_mix_gain: 0
111      }
112    }
113    output_mix_gain {
114      param_definition {
115        parameter_id: 100
116        parameter_rate: 48000
117        param_definition_mode: 1
118        reserved: 0
119      }
120      default_mix_gain: 0
121    }
122    num_layouts: 1
123    layouts {
124      loudness_layout {
125        layout_type: LAYOUT_TYPE_LOUDSPEAKERS_SS_CONVENTION
126        ss_layout {
127          sound_system: SOUND_SYSTEM_A_0_2_0
128          reserved: 0
129        }
130      }
131      loudness {
132        info_type_bit_masks: []
133        integrated_loudness: -5209
134        digital_peak: -4109
135      }
136    }
137  }
138}
139
140audio_frame_metadata {
141  wav_filename: "sawtooth_10000_foa_48khz.wav"
142  samples_to_trim_at_end: 576
143  samples_to_trim_at_start: 2048
144  audio_element_id: 300
145  channel_metadatas: [
146    { channel_id: 0 channel_label: CHANNEL_LABEL_A_0 },
147    { channel_id: 1 channel_label: CHANNEL_LABEL_A_1 },
148    { channel_id: 2 channel_label: CHANNEL_LABEL_A_2 },
149    { channel_id: 3 channel_label: CHANNEL_LABEL_A_3 }
150  ]
151}
152
153parameter_block_metadata {
154  parameter_id: 100
155  start_timestamp: 0
156  duration: 26624
157  num_subblocks: 1
158  constant_subblock_duration: 26624
159  subblocks: [
160    {
161      mix_gain_parameter_data {
162        animation_type: ANIMATE_STEP
163        param_data {
164          step {
165            start_point_value: 0
166          }
167        }
168      }
169    }
170  ]
171}
172
173temporal_delimiter_metadata {
174  enable_temporal_delimiters: false
175}
176