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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# txtpbfmt: disable
14
15test_vector_metadata {
16  human_readable_description:
17    "A first-order ambisonics IAMF stream encoded using Opus and "
18    "`ambisonics_mode` = `PROJECTION` with an (almost) identity demixing "
19    "matrix."
20  file_name_prefix: "test_000113"
21  is_valid: true
22  is_valid_to_decode: true
23  validate_user_loudness: true
24  mp4_fixed_timestamp: "2023-05-12 00:00:00"
25  test_repository_tags: [
26    "github/aomediacodec/libiamf/main",
27    "github/aomediacodec/libiamf/v1.0.0-errata"
28  ]
29  primary_tested_spec_sections: [
30    "3.6.3/ambisonics_projection_config",
31    "3.11.1/OPUS Specific",
32    "7.5.1/Loudness Normalization",
33    "7.5.2/Limiter"
34  ]
35  base_test: "test_000105"
36  output_wav_file_bit_depth_override: 16
37}
38
39encoder_control_metadata {
40  add_build_information_tag: false
41}
42
43ia_sequence_header_metadata {
44  primary_profile: PROFILE_VERSION_SIMPLE
45  additional_profile: PROFILE_VERSION_SIMPLE
46}
47
48codec_config_metadata {
49  codec_config_id: 200
50  codec_config {
51    codec_id: CODEC_ID_OPUS
52    num_samples_per_frame: 960
53    audio_roll_distance: -4
54    decoder_config_opus {
55      version: 1
56      pre_skip: 312
57      input_sample_rate: 48000
58      opus_encoder_metadata {
59        target_bitrate_per_channel: 48000
60        application: APPLICATION_AUDIO
61        use_float_api: false
62      }
63    }
64  }
65}
66
67audio_element_metadata {
68  audio_element_id: 300
69  audio_element_type: AUDIO_ELEMENT_SCENE_BASED
70  reserved: 0
71  codec_config_id: 200
72  num_substreams: 4
73  audio_substream_ids: [0, 1, 2, 3]
74  num_parameters: 0
75  ambisonics_config {
76    ambisonics_mode: AMBISONICS_MODE_PROJECTION
77    ambisonics_projection_config {
78      output_channel_count: 4
79      substream_count: 4
80      coupled_substream_count: 0
81      demixing_matrix: [
82        32767, 0, 0, 0,  # col 0
83        0, 32767, 0, 0,  # col 1
84        0, 0, 32767, 0,  # col 2
85        0, 0, 0, 32767   # col 3
86      ]
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: 998 # 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: -2631
136        digital_peak: 0
137      }
138    }
139  }
140}
141
142audio_frame_metadata {
143  wav_filename: "Transport_TOA_5s.wav"
144  samples_to_trim_at_end: 648
145  samples_to_trim_at_start: 312
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: 2 channel_label: CHANNEL_LABEL_A_2 },
151    { channel_id: 3 channel_label: CHANNEL_LABEL_A_3 }
152  ]
153}
154
155temporal_delimiter_metadata {
156  enable_temporal_delimiters: false
157}
158