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Add some test vectors that exercise channel limit per profile.
- `test_000123`: Has a mix which is suitable for Base profile, and another mix where the audio elements individually would be valid in Base profile, but when combined they surpass the channel limit. - `test_000132`: Has a mix which is suitable for Simple profile, and another mix which uses a fourth-order ambisonics audio element which never is valid in Simple profile. PiperOrigin-RevId: 653425256
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| # Copyright (c) 2024, Alliance for Open Media. All rights reserved | ||
| # | ||
| # This source code is subject to the terms of the BSD 3-Clause Clear License | ||
| # and the Alliance for Open Media Patent License 1.0. If the BSD 3-Clause Clear | ||
| # License was not distributed with this source code in the LICENSE file, you | ||
| # can obtain it at www.aomedia.org/license/software-license/bsd-3-c-c. If the | ||
| # Alliance for Open Media Patent License 1.0 was not distributed with this | ||
| # source code in the PATENTS file, you can obtain it at | ||
| # www.aomedia.org/license/patent. | ||
|
|
||
| # proto-file: iamf/cli/proto/user_metadata.proto | ||
| # proto-message: UserMetadata | ||
|
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| test_vector_metadata { | ||
| human_readable_description: | ||
| "A 7.1.4 + TOA IAMF stream encoded using Opus and with two Mix " | ||
| "Presentations. The first Mix Presentation uses both Audio Elements. The " | ||
| "second Mix Presentation uses only the 7.1.4 Audio Element. The primary " | ||
| "profile is set to Base and the additional profile is set to " | ||
| " Base-Enhanced." | ||
| file_name_prefix: "test_000123" | ||
| is_valid: true | ||
| validate_user_loudness: true | ||
| mp4_fixed_timestamp: "2024-07-17 00:00:00" | ||
| primary_tested_spec_sections: [ | ||
| "3.6/num_substreams", | ||
| "3.6.2/subtream_count", | ||
| "3.6.2/coupled_substream_count", | ||
| "3.6.4/subtream_count", | ||
| "3.6.4/coupled_substream_count", | ||
| "4.2/Simple Profile", | ||
| "4.2/Base-Enhannced Profile", | ||
| "4.3/Cumulative channel limit" | ||
| ] | ||
| base_test: "test_000118" | ||
| output_wav_file_bit_depth_override: 16 | ||
| } | ||
|
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||
| ia_sequence_header_metadata { | ||
| primary_profile: PROFILE_VERSION_BASE | ||
| additional_profile: PROFILE_VERSION_BASE_ENHANCED | ||
| } | ||
|
|
||
| codec_config_metadata { | ||
| codec_config_id: 200 | ||
| codec_config { | ||
| codec_id: CODEC_ID_OPUS | ||
| num_samples_per_frame: 960 | ||
| audio_roll_distance: -4 | ||
| decoder_config_opus { | ||
| version: 1 | ||
| pre_skip: 312 | ||
| input_sample_rate: 48000 | ||
| opus_encoder_metadata { | ||
| target_bitrate_per_channel: 48000 | ||
| application: APPLICATION_AUDIO | ||
| use_float_api: false | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
|
||
| audio_element_metadata: [ | ||
| { | ||
| audio_element_id: 300 | ||
| audio_element_type: AUDIO_ELEMENT_CHANNEL_BASED | ||
| reserved: 0 | ||
| codec_config_id: 200 | ||
| num_substreams: 7 | ||
| audio_substream_ids: [0, 1, 2, 3, 4, 5, 6] | ||
| num_parameters: 0 | ||
| scalable_channel_layout_config { | ||
| num_layers: 1 | ||
| reserved: 0 | ||
| channel_audio_layer_configs: [ | ||
| { | ||
| loudspeaker_layout: LOUDSPEAKER_LAYOUT_7_1_4_CH | ||
| output_gain_is_present_flag: 0 | ||
| recon_gain_is_present_flag: 0 | ||
| reserved_a: 0 | ||
| substream_count: 7 | ||
| coupled_substream_count: 5 | ||
| } | ||
| ] | ||
| } | ||
| }, | ||
| { | ||
| audio_element_id: 301 | ||
| audio_element_type: AUDIO_ELEMENT_SCENE_BASED | ||
| reserved: 0 | ||
| codec_config_id: 200 | ||
| num_substreams: 16 | ||
| audio_substream_ids: [7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22] | ||
| num_parameters: 0 | ||
| ambisonics_config { | ||
| ambisonics_mode: AMBISONICS_MODE_MONO | ||
| ambisonics_mono_config { | ||
| output_channel_count: 16 | ||
| substream_count: 16 | ||
| channel_mapping: [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15] | ||
| } | ||
| } | ||
| } | ||
| ] | ||
|
|
||
| mix_presentation_metadata { | ||
| mix_presentation_id: 42 | ||
| count_label: 1 | ||
| language_labels: ["en-us"] | ||
| mix_presentation_annotations_array: [ | ||
| { | ||
| mix_presentation_friendly_label: "test_mix_pres_0_with_twenty_eight_channels" | ||
| } | ||
| ] | ||
| num_sub_mixes: 1 | ||
| sub_mixes { | ||
| num_audio_elements: 2 | ||
| audio_elements: [ | ||
| { | ||
| audio_element_id: 300 | ||
| mix_presentation_element_annotations_array: [ | ||
| { | ||
| audio_element_friendly_label: "test_mix_pres_0_sub_mix_0_audio_element_0" | ||
| } | ||
| ] | ||
| rendering_config { | ||
| headphones_rendering_mode: HEADPHONES_RENDERING_MODE_STEREO | ||
| } | ||
| element_mix_config { | ||
| mix_gain { | ||
| param_definition { | ||
| parameter_id: 999 # Non-existent; default will be used | ||
| parameter_rate: 48000 | ||
| param_definition_mode: 1 | ||
| reserved: 0 | ||
| } | ||
| default_mix_gain: -768 | ||
| } | ||
| } | ||
| }, | ||
| { | ||
| audio_element_id: 301 | ||
| mix_presentation_element_annotations_array: [ | ||
| { | ||
| audio_element_friendly_label: "test_mix_pres_0_sub_mix_0_audio_element_1" | ||
| } | ||
| ] | ||
| rendering_config { | ||
| headphones_rendering_mode: HEADPHONES_RENDERING_MODE_STEREO | ||
| } | ||
| element_mix_config { | ||
| mix_gain { | ||
| param_definition { | ||
| parameter_id: 998 # Non-existent; default will be used | ||
| parameter_rate: 48000 | ||
| param_definition_mode: 1 | ||
| reserved: 0 | ||
| } | ||
| default_mix_gain: -768 | ||
| } | ||
| } | ||
| } | ||
| ] | ||
| output_mix_config { | ||
| output_mix_gain { | ||
| param_definition { | ||
| parameter_id: 997 # Non-existent; default will be used | ||
| parameter_rate: 48000 | ||
| param_definition_mode: 1 | ||
| reserved: 0 | ||
| } | ||
| default_mix_gain: 0 | ||
| } | ||
| } | ||
| num_layouts: 2 | ||
| layouts { | ||
| loudness_layout { | ||
| layout_type: LAYOUT_TYPE_LOUDSPEAKERS_SS_CONVENTION | ||
| ss_layout { | ||
| sound_system: SOUND_SYSTEM_A_0_2_0 | ||
| reserved: 0 | ||
| } | ||
| } | ||
| loudness { | ||
| info_type_bit_masks: [] | ||
| integrated_loudness: -3519 | ||
| digital_peak: 0 | ||
| } | ||
| } | ||
| layouts { | ||
| loudness_layout { | ||
| layout_type: LAYOUT_TYPE_LOUDSPEAKERS_SS_CONVENTION | ||
| ss_layout { | ||
| sound_system: SOUND_SYSTEM_J_4_7_0 | ||
| reserved: 0 | ||
| } | ||
| } | ||
| loudness { | ||
| info_type_bit_masks: [] | ||
| integrated_loudness: -4937 | ||
| digital_peak: -1771 | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
|
||
| mix_presentation_metadata { | ||
| mix_presentation_id: 43 | ||
| count_label: 1 | ||
| language_labels: ["en-us"] | ||
| mix_presentation_annotations_array: [ | ||
| { | ||
| mix_presentation_friendly_label: "test_mix_pres_with_sixteen_channels" | ||
| } | ||
| ] | ||
| num_sub_mixes: 1 | ||
| sub_mixes { | ||
| num_audio_elements: 1 | ||
| audio_elements: [ | ||
| { | ||
| audio_element_id: 301 | ||
| mix_presentation_element_annotations_array: [ | ||
| { | ||
| audio_element_friendly_label: "test_mix_pres_1_sub_mix_0_audio_element_0" | ||
| } | ||
| ] | ||
| rendering_config { | ||
| headphones_rendering_mode: HEADPHONES_RENDERING_MODE_STEREO | ||
| } | ||
| element_mix_config { | ||
| mix_gain { | ||
| param_definition { | ||
| parameter_id: 998 # Non-existent; default will be used | ||
| parameter_rate: 48000 | ||
| param_definition_mode: 1 | ||
| reserved: 0 | ||
| } | ||
| default_mix_gain: -768 | ||
| } | ||
| } | ||
| } | ||
| ] | ||
| output_mix_config { | ||
| output_mix_gain { | ||
| param_definition { | ||
| parameter_id: 997 # Non-existent; default will be used | ||
| parameter_rate: 48000 | ||
| param_definition_mode: 1 | ||
| reserved: 0 | ||
| } | ||
| default_mix_gain: 0 | ||
| } | ||
| } | ||
| num_layouts: 2 | ||
| layouts { | ||
| loudness_layout { | ||
| layout_type: LAYOUT_TYPE_LOUDSPEAKERS_SS_CONVENTION | ||
| ss_layout { | ||
| sound_system: SOUND_SYSTEM_A_0_2_0 | ||
| reserved: 0 | ||
| } | ||
| } | ||
| loudness { | ||
| info_type_bit_masks: [] | ||
| integrated_loudness: -3602 | ||
| digital_peak: -768 | ||
| } | ||
| } | ||
| layouts { | ||
| loudness_layout { | ||
| layout_type: LAYOUT_TYPE_LOUDSPEAKERS_SS_CONVENTION | ||
| ss_layout { | ||
| sound_system: SOUND_SYSTEM_J_4_7_0 | ||
| reserved: 0 | ||
| } | ||
| } | ||
| loudness { | ||
| info_type_bit_masks: [] | ||
| integrated_loudness: -5656 | ||
| digital_peak: -3293 | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
|
||
| audio_frame_metadata: [ | ||
| { | ||
| wav_filename: "Mechanism_5s.wav" | ||
| samples_to_trim_at_end: 648 | ||
| samples_to_trim_at_start: 312 | ||
| audio_element_id: 300 | ||
| channel_ids: [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11] | ||
| channel_labels: ["L7", "R7", "C", "LFE", "Lss7", "Rss7", "Lrs7", "Rrs7", "Ltf4", "Rtf4", "Ltb4", "Rtb4"] | ||
| }, | ||
| { | ||
| wav_filename: "Transport_TOA_5s.wav" | ||
| samples_to_trim_at_end: 648 | ||
| samples_to_trim_at_start: 312 | ||
| audio_element_id: 301 | ||
| channel_ids: [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15] | ||
| channel_labels: ["A0", "A1", "A2", "A3", "A4", "A5", "A6", "A7", "A8", "A9", "A10", "A11", "A12", "A13", "A14", "A15"] | ||
| } | ||
| ] | ||
|
|
||
| temporal_delimiter_metadata { | ||
| enable_temporal_delimiters: false | ||
| } |
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