iamf/cli/testdata/test_000000_3.textproto

# Copyright (c) 2023, 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:
    "A simple profile stereo IAMF stream with 1 substream. The final audio "
    "frame incorrectly has fewer samples than all other frames because it does "
    "not have sufficient `num_samples_to_trim_at_end`."
  file_name_prefix: "test_000000_3"
  # Typically the encoder would not produce partial frames. The correct way to
  # signal an incomplete frame is to produce a full Audio Frame OBU, but with
  # `num_samples_to_trim_at_end` signalled.
  is_valid: false
  # The decoder can reject the bitstream because the final frame is invalid.
  is_valid_to_decode: false
  validate_user_loudness: true
  mp4_fixed_timestamp: "2023-04-06 00:00:00"
  test_repository_tags: [
    "github/aomediacodec/libiamf/main",
    "github/aomediacodec/libiamf/v1.0.0-errata"
  ]
  primary_tested_spec_sections: [
    "3.2/num_samples_to_trim_at_end",
    "3.4/IA Sequence Header OBU Syntax and Semantics",
    "3.5/num_samples_per_frame",
    "6.2.2/ia_sample_duration"
  ]
  base_test: "None"
}

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: 200
  codec_config {
    codec_id: CODEC_ID_LPCM
    num_samples_per_frame: 64
    audio_roll_distance: 0
    decoder_config_lpcm {
      sample_format_flags: LPCM_LITTLE_ENDIAN
      sample_size: 16
      sample_rate: 16000
    }
  }
}

audio_element_metadata {
  audio_element_id: 300
  audio_element_type: AUDIO_ELEMENT_CHANNEL_BASED
  reserved: 0
  codec_config_id: 200
  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: 16000
          param_definition_mode: 1
          reserved: 0
        }
        default_mix_gain: 0
      }
    }
    output_mix_gain {
      param_definition {
        parameter_id: 100
        parameter_rate: 16000
        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: -13733
        digital_peak: -12879
      }
    }
  }
}

# There are 8000 samples, with 64 samples per frame. The last frame does not
# need padding.
audio_frame_metadata {
  wav_filename: "sawtooth_100_stereo.wav"
  samples_to_trim_at_end: 0
  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 {
  invalidates_bitstream: true
  insertion_hook: INSERTION_HOOK_AFTER_AUDIO_FRAMES_AT_TICK
  # Insert a buggy audio frame after all of the real audio frames.
  insertion_tick: 8000
  obu_type: OBU_IA_AUDIO_FRAME_ID_0
  # `CodecConfigObu::num_samples_per_frame` signals a real audio frame must have
  # 64 samples (for each channel).
  payload:
    "in"  # 0th left sample.
    "co"  # 0th right sample.
    "mp"  # 1st left sample.
    "le"  # 1st right sample.
    "te"  # 2nd left sample.
    "fr"  # 2nd right sample.
    "am"  # 3rd left sample.
    "e "  # 3rd right sample.
}

temporal_delimiter_metadata {
  enable_temporal_delimiters: false
}