# 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 test_vector_metadata { human_readable_description: "An invalid IAMF stream. The first mix uses a stereo audio element. The " "second mix uses a `loudspeaker_layout` which is reserved under Simple " "profile for the first layer." file_name_prefix: "test_000122" # The encoder cannot accurately encode a `loudspeaker_layout` which is not yet # defined. is_valid: false # A compliant decoder can decode the mix with `mix_presentation_id` 42. is_valid_to_decode: true partition_mix_gain_parameter_blocks: false validate_user_loudness: true mp4_fixed_timestamp: "2024-07-17 00:00:00" test_repository_tags: [ "github/aomediacodec/libiamf/main", "github/aomediacodec/libiamf/v1.0.0-errata" ] primary_tested_spec_sections: [ "3.6.2/loudspeaker_layout", "4.1/Simple Profile" ] base_test: "test_000119" } encoder_control_metadata { add_build_information_tag: false } ia_sequence_header_metadata { primary_profile: PROFILE_VERSION_SIMPLE additional_profile: PROFILE_VERSION_SIMPLE } codec_config_metadata { codec_config_id: 0x22 codec_config { codec_id: CODEC_ID_LPCM num_samples_per_frame: 8 audio_roll_distance: 0 decoder_config_lpcm { sample_format_flags: LPCM_LITTLE_ENDIAN sample_size: 16 sample_rate: 48000 } } } audio_element_metadata { audio_element_id: 300 audio_element_type: AUDIO_ELEMENT_CHANNEL_BASED reserved: 0 codec_config_id: 0x22 num_substreams: 1 audio_substream_ids: [0] num_parameters: 0 scalable_channel_layout_config { num_layers: 1 reserved: 0 channel_audio_layer_configs: [ { loudspeaker_layout: LOUDSPEAKER_LAYOUT_STEREO output_gain_is_present_flag: 0 recon_gain_is_present_flag: 0 reserved_a: 0 substream_count: 1 coupled_substream_count: 1 } ] } } mix_presentation_metadata { mix_presentation_id: 42 count_label: 1 annotations_language: ["en-us"] localized_presentation_annotations: ["test_mix_pres"] num_sub_mixes: 1 sub_mixes { num_audio_elements: 1 audio_elements { audio_element_id: 300 localized_element_annotations: ["test_sub_mix_0_audio_element_0"] rendering_config { headphones_rendering_mode: HEADPHONES_RENDERING_MODE_STEREO } element_mix_gain { param_definition { parameter_id: 100 parameter_rate: 48000 param_definition_mode: 1 reserved: 0 } default_mix_gain: 0 } } output_mix_gain { param_definition { parameter_id: 100 parameter_rate: 48000 param_definition_mode: 1 reserved: 0 } default_mix_gain: 0 } num_layouts: 1 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: -32768 digital_peak: -32768 } } } } audio_frame_metadata { wav_filename: "stereo_8_samples_48khz_s16le.wav" samples_to_trim_at_end: 6 samples_to_trim_at_start: 0 audio_element_id: 300 channel_metadatas: [ { channel_id: 0 channel_label: CHANNEL_LABEL_L_2 }, { channel_id: 1 channel_label: CHANNEL_LABEL_R_2 } ] } arbitrary_obu_metadata: [ { # Simple profile does not support audio elements with the first layer # `loudspeaker_layout == 0b1010`. invalidates_bitstream: true insertion_hook: INSERTION_HOOK_AFTER_AUDIO_ELEMENTS obu_type: OBU_IA_AUDIO_ELEMENT payload: "\x33" # audio_element_id. "\x00" # audio_element_type (3), reserved (5). "\x22" # codec_config_id. "\x01" # num_substreams. "\x01" # substream_id. "\x00" # num_parameters. "\x20" # num_layers (3), reserved (5) "\xa0" # loudspeaker_layout (4), output_gain_is_present_flag (1), recon_gain_is_present_flag (1), reserved (2). "\x01" # substream_count. "\x01" # coupled_substream_count. }, { insertion_hook: INSERTION_HOOK_AFTER_MIX_PRESENTATIONS obu_type: OBU_IA_MIX_PRESENTATION payload: "\x44" # mix_presentation_id. "\x00" # count_label. "\x01" # num_sub_mixes. "\x01" # num_audio_elements. "\x33" # audio_element_id. "\x00" # headphones_rendering_mode (2), reserved (6). "\x00" # rendering_config_size. # Begin ElementMixGain. "\x66" # parameter_id. "\x80\xf7\x02" # parameter_rate (leb128). "\x80" # param_definition_mode (1), reserved (7). "\x00\00" # default_mix_gain. # Begin OutputMixGain. "\x66" # parameter_id. "\x80\xf7\x02" # parameter_rate (leb128). "\x80" # param_definition_mode (1), reserved (7). "\x00\00" # default_mix_gain. "\x01" # num_layouts. "\x80" # layout_type (2), sound_system (4), reserved (2). "\x00" # info_type. "\x00\x00" # integrated_loudness. "\x00\x00" # digital_peak. }, { insertion_hook: INSERTION_HOOK_AFTER_AUDIO_FRAMES_AT_TICK insertion_tick: 0 obu_type: OBU_IA_AUDIO_FRAME_ID_1 obu_header: { num_samples_to_trim_at_end: 6 } payload: "somedata" } ] temporal_delimiter_metadata { enable_temporal_delimiters: false }