mirror of
https://github.com/androidx/media.git
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Added Mp3ExtractorTest and modified Mp3Extractor to pass the test.
------------- Created by MOE: https://github.com/google/moe MOE_MIGRATED_REVID=123640738
This commit is contained in:
eguven
Oliver Woodman
parent
5a4d82c7c2
commit
7aae5805b8
BIN
library/src/androidTest/assets/mp3/bear.mp3
Normal file
BIN
library/src/androidTest/assets/mp3/bear.mp3
Normal file
Binary file not shown.
494
library/src/androidTest/assets/mp3/bear.mp3.dump
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494
library/src/androidTest/assets/mp3/bear.mp3.dump
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@ -0,0 +1,494 @@
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seekMap:
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isSeekable = true
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duration = 2784000
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getPosition(0) = 201
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numberOfTracks = 1
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track 0:
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format:
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bitrate = -1
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id = null
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containerMimeType = null
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sampleMimeType = audio/mpeg
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maxInputSize = 4096
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requiresSecureDecryption = false
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width = -1
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height = -1
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frameRate = -1.0
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rotationDegrees = -1
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pixelWidthHeightRatio = -1.0
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channelCount = 2
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sampleRate = 48000
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pcmEncoding = -1
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encoderDelay = 956
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encoderPadding = 3352
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subsampleOffsetUs = 9223372036854775807
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selectionFlags = 0
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language = null
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drmInitData = -
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initializationData:
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sample count = 116
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sample 0:
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sample 1:
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sample 2:
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sample 3:
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sample 4:
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sample 5:
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sample 6:
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sample 7:
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sample 8:
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sample 9:
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sample 10:
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sample 11:
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sample 12:
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sample 13:
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sample 14:
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sample 15:
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data = length 384, hash E31AB44F
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sample 16:
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data = length 384, hash A12497D6
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sample 17:
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time = 408000
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sample 18:
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sample 19:
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sample 21:
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sample 22:
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time = 528000
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data = length 384, hash 45B5D69
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sample 23:
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time = 552000
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data = length 384, hash 7CEC655D
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sample 24:
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time = 576000
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flags = 1
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sample 25:
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time = 600000
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sample 26:
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time = 624000
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sample 27:
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time = 648000
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sample 28:
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time = 672000
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sample 29:
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time = 696000
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sample 30:
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time = 720000
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data = length 384, hash 8242C434
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sample 31:
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time = 744000
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flags = 1
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sample 32:
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time = 768000
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flags = 1
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data = length 384, hash 1D872A3F
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sample 33:
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time = 792000
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sample 34:
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time = 816000
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flags = 1
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sample 35:
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time = 840000
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flags = 1
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sample 36:
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time = 864000
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sample 37:
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time = 888000
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flags = 1
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data = length 384, hash D6C2138A
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sample 38:
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time = 912000
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flags = 1
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data = length 384, hash 737BA69E
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sample 39:
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time = 936000
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flags = 1
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data = length 384, hash F7E344F4
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sample 40:
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time = 960000
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flags = 1
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data = length 384, hash 14EF6AFD
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sample 41:
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time = 984000
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flags = 1
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data = length 384, hash 61C9B92C
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sample 42:
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time = 1008000
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flags = 1
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sample 43:
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time = 1032000
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flags = 1
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sample 44:
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time = 1056000
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data = length 384, hash 30E905FA
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sample 45:
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time = 1080000
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flags = 1
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data = length 384, hash 21A267CD
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sample 46:
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time = 1104000
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flags = 1
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data = length 384, hash D96A2651
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sample 47:
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time = 1128000
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flags = 1
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data = length 384, hash 72340177
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sample 48:
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time = 1152000
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flags = 1
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sample 49:
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time = 1176000
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flags = 1
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sample 50:
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time = 1200000
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flags = 1
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sample 51:
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time = 1224000
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sample 52:
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time = 1248000
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sample 53:
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time = 1272000
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sample 54:
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time = 1296000
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flags = 1
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sample 55:
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time = 1320000
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flags = 1
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sample 56:
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time = 1344000
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flags = 1
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sample 57:
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time = 1368000
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sample 58:
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time = 1392000
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sample 59:
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time = 1416000
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sample 60:
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time = 1440000
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flags = 1
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data = length 384, hash 3934B73C
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sample 61:
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time = 1464000
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data = length 384, hash DDD70A2F
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sample 62:
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time = 1488000
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time = 1536000
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time = 1560000
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time = 1584000
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time = 1608000
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time = 1632000
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time = 1656000
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time = 1680000
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flags = 1
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time = 1704000
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time = 1728000
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time = 1800000
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time = 1824000
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time = 1848000
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time = 1872000
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time = 1896000
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time = 1920000
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data = length 384, hash 19A8D99F
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time = 1944000
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data = length 384, hash E47EB43F
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time = 1968000
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flags = 1
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data = length 384, hash 4EA329E7
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sample 83:
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time = 1992000
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data = length 384, hash 1CCAAE62
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time = 2016000
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time = 2040000
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data = length 384, hash D3D646B6
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time = 2064000
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flags = 1
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data = length 384, hash 68CD1574
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time = 2088000
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flags = 1
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data = length 384, hash 8CEAB382
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sample 88:
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time = 2112000
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time = 2136000
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time = 2160000
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data = length 384, hash BFE8A673
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sample 91:
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time = 2184000
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data = length 384, hash 978B1C92
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sample 92:
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time = 2208000
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flags = 1
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data = length 384, hash 810CC71E
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sample 93:
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time = 2232000
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flags = 1
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data = length 384, hash 44FE42D9
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time = 2256000
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data = length 384, hash 2F5BB02C
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time = 2280000
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time = 2304000
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data = length 384, hash 24FB5EDA
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time = 2328000
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data = length 384, hash E73203C6
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sample 98:
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time = 2352000
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data = length 384, hash 14B525F1
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sample 99:
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time = 2376000
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data = length 384, hash 5E0F4E2E
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sample 100:
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time = 2400000
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flags = 1
|
||||||
|
data = length 384, hash 67EE4E31
|
||||||
|
sample 101:
|
||||||
|
time = 2424000
|
||||||
|
flags = 1
|
||||||
|
data = length 384, hash 2E04EC4C
|
||||||
|
sample 102:
|
||||||
|
time = 2448000
|
||||||
|
flags = 1
|
||||||
|
data = length 384, hash 852CABA7
|
||||||
|
sample 103:
|
||||||
|
time = 2472000
|
||||||
|
flags = 1
|
||||||
|
data = length 384, hash 19928903
|
||||||
|
sample 104:
|
||||||
|
time = 2496000
|
||||||
|
flags = 1
|
||||||
|
data = length 384, hash 5DA42021
|
||||||
|
sample 105:
|
||||||
|
time = 2520000
|
||||||
|
flags = 1
|
||||||
|
data = length 384, hash 45B20B7C
|
||||||
|
sample 106:
|
||||||
|
time = 2544000
|
||||||
|
flags = 1
|
||||||
|
data = length 384, hash D108A215
|
||||||
|
sample 107:
|
||||||
|
time = 2568000
|
||||||
|
flags = 1
|
||||||
|
data = length 384, hash BD25DB7C
|
||||||
|
sample 108:
|
||||||
|
time = 2592000
|
||||||
|
flags = 1
|
||||||
|
data = length 384, hash DA7F9861
|
||||||
|
sample 109:
|
||||||
|
time = 2616000
|
||||||
|
flags = 1
|
||||||
|
data = length 384, hash CCD576F
|
||||||
|
sample 110:
|
||||||
|
time = 2640000
|
||||||
|
flags = 1
|
||||||
|
data = length 384, hash 405C1EB5
|
||||||
|
sample 111:
|
||||||
|
time = 2664000
|
||||||
|
flags = 1
|
||||||
|
data = length 384, hash 6640B74E
|
||||||
|
sample 112:
|
||||||
|
time = 2688000
|
||||||
|
flags = 1
|
||||||
|
data = length 384, hash B4E5937A
|
||||||
|
sample 113:
|
||||||
|
time = 2712000
|
||||||
|
flags = 1
|
||||||
|
data = length 384, hash CEE17733
|
||||||
|
sample 114:
|
||||||
|
time = 2736000
|
||||||
|
flags = 1
|
||||||
|
data = length 384, hash 2A0DA733
|
||||||
|
sample 115:
|
||||||
|
time = 2760000
|
||||||
|
flags = 1
|
||||||
|
data = length 384, hash 97F4129B
|
||||||
|
tracksEnded = true
|
||||||
@ -0,0 +1,37 @@
|
|||||||
|
/*
|
||||||
|
* Copyright (C) 2016 The Android Open Source Project
|
||||||
|
*
|
||||||
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
||||||
|
* you may not use this file except in compliance with the License.
|
||||||
|
* You may obtain a copy of the License at
|
||||||
|
*
|
||||||
|
* http://www.apache.org/licenses/LICENSE-2.0
|
||||||
|
*
|
||||||
|
* Unless required by applicable law or agreed to in writing, software
|
||||||
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||||
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||||
|
* See the License for the specific language governing permissions and
|
||||||
|
* limitations under the License.
|
||||||
|
*/
|
||||||
|
package com.google.android.exoplayer.extractor.mp3;
|
||||||
|
|
||||||
|
import com.google.android.exoplayer.extractor.Extractor;
|
||||||
|
import com.google.android.exoplayer.testutil.TestUtil;
|
||||||
|
|
||||||
|
import android.test.InstrumentationTestCase;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Unit test for {@link Mp3Extractor}.
|
||||||
|
*/
|
||||||
|
public final class Mp3ExtractorTest extends InstrumentationTestCase {
|
||||||
|
|
||||||
|
public void testMp3Sample() throws Exception {
|
||||||
|
TestUtil.assertOutput(new TestUtil.ExtractorFactory() {
|
||||||
|
@Override
|
||||||
|
public Extractor create() {
|
||||||
|
return new Mp3Extractor();
|
||||||
|
}
|
||||||
|
}, "mp3/bear.mp3", getInstrumentation());
|
||||||
|
}
|
||||||
|
|
||||||
|
}
|
||||||
@ -123,7 +123,7 @@ public final class Mp3Extractor implements Extractor {
|
|||||||
return RESULT_END_OF_INPUT;
|
return RESULT_END_OF_INPUT;
|
||||||
}
|
}
|
||||||
if (seeker == null) {
|
if (seeker == null) {
|
||||||
setupSeeker(input);
|
seeker = setupSeeker(input);
|
||||||
extractorOutput.seekMap(seeker);
|
extractorOutput.seekMap(seeker);
|
||||||
trackOutput.format(Format.createAudioSampleFormat(null, synchronizedHeader.mimeType,
|
trackOutput.format(Format.createAudioSampleFormat(null, synchronizedHeader.mimeType,
|
||||||
Format.NO_VALUE, MpegAudioHeader.MAX_FRAME_SIZE_BYTES, synchronizedHeader.channels,
|
Format.NO_VALUE, MpegAudioHeader.MAX_FRAME_SIZE_BYTES, synchronizedHeader.channels,
|
||||||
@ -263,17 +263,18 @@ public final class Mp3Extractor implements Extractor {
|
|||||||
}
|
}
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* Sets {@link #seeker} to seek using metadata read from {@code input}, which should provide data
|
* Returns a {@link Seeker} to seek using metadata read from {@code input}, which should provide
|
||||||
* from the start of the first frame in the stream. On returning, the input's position will be set
|
* data from the start of the first frame in the stream. On returning, the input's position will
|
||||||
* to the start of the first frame of audio.
|
* be set to the start of the first frame of audio.
|
||||||
*
|
*
|
||||||
* @param input The {@link ExtractorInput} from which to read.
|
* @param input The {@link ExtractorInput} from which to read.
|
||||||
* @throws IOException Thrown if there was an error reading from the stream. Not expected if the
|
* @throws IOException Thrown if there was an error reading from the stream. Not expected if the
|
||||||
* next two frames were already peeked during synchronization.
|
* next two frames were already peeked during synchronization.
|
||||||
* @throws InterruptedException Thrown if reading from the stream was interrupted. Not expected if
|
* @throws InterruptedException Thrown if reading from the stream was interrupted. Not expected if
|
||||||
* the next two frames were already peeked during synchronization.
|
* the next two frames were already peeked during synchronization.
|
||||||
|
* @return a {@link Seeker}.
|
||||||
*/
|
*/
|
||||||
private void setupSeeker(ExtractorInput input) throws IOException, InterruptedException {
|
private Seeker setupSeeker(ExtractorInput input) throws IOException, InterruptedException {
|
||||||
// Read the first frame which may contain a Xing or VBRI header with seeking metadata.
|
// Read the first frame which may contain a Xing or VBRI header with seeking metadata.
|
||||||
ParsableByteArray frame = new ParsableByteArray(synchronizedHeader.frameSize);
|
ParsableByteArray frame = new ParsableByteArray(synchronizedHeader.frameSize);
|
||||||
input.peekFully(frame.data, 0, synchronizedHeader.frameSize);
|
input.peekFully(frame.data, 0, synchronizedHeader.frameSize);
|
||||||
@ -287,6 +288,7 @@ public final class Mp3Extractor implements Extractor {
|
|||||||
: (synchronizedHeader.channels != 1 ? 21 : 13); // MPEG 2 or 2.5
|
: (synchronizedHeader.channels != 1 ? 21 : 13); // MPEG 2 or 2.5
|
||||||
frame.setPosition(xingBase);
|
frame.setPosition(xingBase);
|
||||||
int headerData = frame.readInt();
|
int headerData = frame.readInt();
|
||||||
|
Seeker seeker = null;
|
||||||
if (headerData == XING_HEADER || headerData == INFO_HEADER) {
|
if (headerData == XING_HEADER || headerData == INFO_HEADER) {
|
||||||
seeker = XingSeeker.create(synchronizedHeader, frame, position, length);
|
seeker = XingSeeker.create(synchronizedHeader, frame, position, length);
|
||||||
if (seeker != null && !gaplessInfoHolder.hasGaplessInfo()) {
|
if (seeker != null && !gaplessInfoHolder.hasGaplessInfo()) {
|
||||||
@ -317,6 +319,8 @@ public final class Mp3Extractor implements Extractor {
|
|||||||
MpegAudioHeader.populateHeader(scratch.readInt(), synchronizedHeader);
|
MpegAudioHeader.populateHeader(scratch.readInt(), synchronizedHeader);
|
||||||
seeker = new ConstantBitrateSeeker(input.getPosition(), synchronizedHeader.bitrate, length);
|
seeker = new ConstantBitrateSeeker(input.getPosition(), synchronizedHeader.bitrate, length);
|
||||||
}
|
}
|
||||||
|
|
||||||
|
return seeker;
|
||||||
}
|
}
|
||||||
|
|
||||||
/**
|
/**
|
||||||
|
|||||||
Loading…
x
Reference in New Issue
Block a user