require 'minitest/autorun' require 'wavefile.rb' include WaveFile class UnvalidatedFormatTest < Minitest::Test def test_initialize format = UnvalidatedFormat.new({:audio_format => 65534, :sub_audio_format_guid => SUB_FORMAT_GUID_PCM, :channels => 2, :sample_rate => 44100, :byte_rate => 176400, :block_align => 4, :bits_per_sample => 16, :valid_bits_per_sample => 14, :speaker_mapping => 3}) # Bit field '11' assert_equal(65534, format.audio_format) assert_equal(SUB_FORMAT_GUID_PCM, format.sub_audio_format_guid) assert_equal(2, format.channels) assert_equal(false, format.mono?) assert_equal(true, format.stereo?) assert_equal(44100, format.sample_rate) assert_equal(176400, format.byte_rate) assert_equal(4, format.block_align) assert_equal(16, format.bits_per_sample) assert_equal(14, format.valid_bits_per_sample) assert_equal([:front_left, :front_right], format.speaker_mapping) end def test_to_validated_format_pcm unvalidated_format = UnvalidatedFormat.new({:audio_format => 1, :channels => 2, :sample_rate => 44100, :byte_rate => 176400, :block_align => 4, :bits_per_sample => 16}) validated_format = unvalidated_format.to_validated_format assert_equal(:pcm, validated_format.sample_format) assert_equal(2, validated_format.channels) assert_equal(16, validated_format.bits_per_sample) assert_equal(44100, validated_format.sample_rate) assert_equal(176400, validated_format.byte_rate) assert_equal(4, validated_format.block_align) assert_equal([:front_left, :front_right], validated_format.speaker_mapping) end def test_to_validated_format_float unvalidated_format = UnvalidatedFormat.new({:audio_format => 3, :channels => 2, :sample_rate => 44100, :byte_rate => 352800, :block_align => 8, :bits_per_sample => 32}) validated_format = unvalidated_format.to_validated_format assert_equal(:float, validated_format.sample_format) assert_equal(2, validated_format.channels) assert_equal(32, validated_format.bits_per_sample) assert_equal(44100, validated_format.sample_rate) assert_equal(352800, validated_format.byte_rate) assert_equal(8, validated_format.block_align) assert_equal([:front_left, :front_right], validated_format.speaker_mapping) end def test_to_validated_format_unsupported unvalidated_format = UnvalidatedFormat.new({:audio_format => 2, :channels => 2, :sample_rate => 44100, :byte_rate => 176400, :block_align => 4, :bits_per_sample => 16}) assert_raises(InvalidFormatError) { unvalidated_format.to_validated_format } end def test_to_validated_format_wave_format_extensible_pcm unvalidated_format = UnvalidatedFormat.new({:audio_format => 65534, :sub_audio_format_guid => SUB_FORMAT_GUID_PCM, :channels => 2, :sample_rate => 44100, :byte_rate => 176400, :block_align => 4, :bits_per_sample => 16, :valid_bits_per_sample => 16, :speaker_mapping => 3}) validated_format = unvalidated_format.to_validated_format assert_equal(:pcm, validated_format.sample_format) assert_equal(2, validated_format.channels) assert_equal(16, validated_format.bits_per_sample) assert_equal(44100, validated_format.sample_rate) assert_equal(176400, validated_format.byte_rate) assert_equal(4, validated_format.block_align) assert_equal([:front_left, :front_right], validated_format.speaker_mapping) end def test_to_validated_format_wave_format_extensible_float unvalidated_format = UnvalidatedFormat.new({:audio_format => 65534, :sub_audio_format_guid => SUB_FORMAT_GUID_FLOAT, :channels => 2, :sample_rate => 44100, :byte_rate => 352800, :block_align => 8, :bits_per_sample => 32, :valid_bits_per_sample => 32, :speaker_mapping => 5}) validated_format = unvalidated_format.to_validated_format assert_equal(:float, validated_format.sample_format) assert_equal(2, validated_format.channels) assert_equal(32, validated_format.bits_per_sample) assert_equal(44100, validated_format.sample_rate) assert_equal(352800, validated_format.byte_rate) assert_equal(8, validated_format.block_align) assert_equal([:front_left, :front_center], validated_format.speaker_mapping) end def test_to_validated_format_wave_format_extensible_unsupported_sub_format unvalidated_format = UnvalidatedFormat.new({:audio_format => 65534, :sub_audio_format_guid => "\x02\x00\x00\x00\x00\x00\x10\x00\x80\x00\x00\xAA\x00\x38\x9B\x71", # ADPCM :channels => 2, :sample_rate => 44100, :byte_rate => 176400, :block_align => 4, :bits_per_sample => 16, :valid_bits_per_sample => 16, :speaker_mapping => 3}) assert_raises(InvalidFormatError) { unvalidated_format.to_validated_format } end def test_to_validated_format_wave_format_extensible_unsupported_valid_bits_per_sample unvalidated_format = UnvalidatedFormat.new({:audio_format => 65534, :sub_audio_format_guid => SUB_FORMAT_GUID_PCM, :channels => 2, :sample_rate => 44100, :byte_rate => 176400, :block_align => 4, :bits_per_sample => 14, :valid_bits_per_sample => 14, :speaker_mapping => 3}) assert_raises(InvalidFormatError) { unvalidated_format.to_validated_format } end def test_to_validated_format_wave_format_extensible_valid_bits_per_sample_differs_from_container_size unvalidated_format = UnvalidatedFormat.new({:audio_format => 65534, :sub_audio_format_guid => SUB_FORMAT_GUID_PCM, :channels => 2, :sample_rate => 44100, :byte_rate => 176400, :block_align => 4, :bits_per_sample => 16, :valid_bits_per_sample => 14, :speaker_mapping => 3}) assert_raises(UnsupportedFormatError) { unvalidated_format.to_validated_format } end def test_speaker_mapping_no_speakers_defined unvalided_format = UnvalidatedFormat.new({:audio_format => 65534, :sub_audio_format_guid => SUB_FORMAT_GUID_PCM, :channels => 3, :sample_rate => 44100, :byte_rate => 264600, :block_align => 6, :bits_per_sample => 16, :valid_bits_per_sample => 16, :speaker_mapping => 0 }) # According to spec, 0 means speakers # are explicitly undefined for all channels assert_equal(3, unvalided_format.channels) assert_equal([:undefined, :undefined, :undefined], unvalided_format.speaker_mapping) end def test_speaker_mapping_more_speakers_defined_than_channels unvalided_format = UnvalidatedFormat.new({:audio_format => 65534, :sub_audio_format_guid => SUB_FORMAT_GUID_PCM, :channels => 3, :sample_rate => 44100, :byte_rate => 264600, :block_align => 6, :bits_per_sample => 16, :valid_bits_per_sample => 16, :speaker_mapping => 214 }) # Bit field '11010110' assert_equal(3, unvalided_format.channels) # All 5 channel->speaker mappings are present, even though files only has 3 channels assert_equal([:front_right, :front_center, :back_left, :front_left_of_center, :front_right_of_center], unvalided_format.speaker_mapping) end def test_speaker_mapping_more_speakers_than_are_defined expected_speaker_mapping = [ :front_left, :front_right, :front_center, :low_frequency, :back_left, :back_right, :front_left_of_center, :front_right_of_center, :back_center, :side_left, :side_right, :top_center, :top_front_left, :top_front_center, :top_front_right, :top_back_left, :top_back_center, :top_back_right, ] unvalided_format = UnvalidatedFormat.new({:audio_format => 65534, :sub_audio_format_guid => SUB_FORMAT_GUID_PCM, :channels => 3, :sample_rate => 44100, :byte_rate => 264600, :block_align => 6, :bits_per_sample => 16, :valid_bits_per_sample => 16, :speaker_mapping => 1048575 }) # Bit field '1111_1111_1111_1111_1111' assert_equal(3, unvalided_format.channels) # All channel->speaker mappings are present, even though file doesn't have this many channels assert_equal(expected_speaker_mapping, unvalided_format.speaker_mapping) end def test_speaker_mapping_more_channels_than_mapped_speakers unvalided_format = UnvalidatedFormat.new({:audio_format => 65534, :sub_audio_format_guid => SUB_FORMAT_GUID_PCM, :channels => 3, :sample_rate => 44100, :byte_rate => 264600, :block_align => 6, :bits_per_sample => 16, :valid_bits_per_sample => 16, :speaker_mapping => 2 }) # Bit field '10' assert_equal(3, unvalided_format.channels) assert_equal([:front_right, :undefined, :undefined], unvalided_format.speaker_mapping) end def test_speaker_mapping_more_channels_than_defined_speakers expected_speaker_mapping = [ :front_left, :front_right, :front_center, :low_frequency, :back_left, :back_right, :front_left_of_center, :front_right_of_center, :back_center, :side_left, :side_right, :top_center, :top_front_left, :top_front_center, :top_front_right, :top_back_left, :top_back_center, :top_back_right, :undefined, # Spec only defines first 18 speakers, any subsequent ones are undefined :undefined, # Spec only defines first 18 speakers, any subsequent ones are undefined ] unvalided_format = UnvalidatedFormat.new({:audio_format => 65534, :sub_audio_format_guid => SUB_FORMAT_GUID_PCM, :channels => 20, :sample_rate => 44100, :byte_rate => 1764000, :block_align => 40, :bits_per_sample => 16, :valid_bits_per_sample => 16, :speaker_mapping => 262143 }) # Bit field '11_1111_1111_1111_1111' assert_equal(20, unvalided_format.channels) assert_equal(expected_speaker_mapping, unvalided_format.speaker_mapping) end def test_speaker_mapping_more_channels_than_defined_speakers_2 expected_speaker_mapping = [ :front_left, :front_right, :front_center, :low_frequency, :back_left, :back_right, :front_left_of_center, :front_right_of_center, :back_center, :side_left, :side_right, :top_center, :top_front_left, :top_front_center, :top_front_right, :top_back_left, :top_back_center, :top_back_right, :undefined, :undefined, ] unvalided_format = UnvalidatedFormat.new({:audio_format => 65534, :sub_audio_format_guid => SUB_FORMAT_GUID_PCM, :channels => 20, :sample_rate => 44100, :byte_rate => 264600, :block_align => 6, :bits_per_sample => 16, :valid_bits_per_sample => 16, :speaker_mapping => 1048575 }) # Bit field '1111_1111_1111_1111_1111' assert_equal(20, unvalided_format.channels) # All channel->speaker mappings are present, even though file doesn't have this many channels assert_equal(expected_speaker_mapping, unvalided_format.speaker_mapping) end end