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Rollback of 427329175e

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*** Original commit ***

Rollback of 76df06a7a3

*** Original commit ***

Parse and set `peakBitrate` for Dolby TrueHD(AC-3) and (E-)AC-3

#minor-release

***

***

PiperOrigin-RevId: 490707234
This commit is contained in:
rohks 2022-11-24 12:13:31 +00:00 committed by Ian Baker
parent 427329175e
commit 82711630ed
31 changed files with 49 additions and 1 deletions
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10
libraries/extractor/src/main/java/androidx/media3/extractor/Ac3Util.java
View File

@ -158,6 +158,9 @@ public final class Ac3Util {
if ((nextByte & 0x04) != 0) { // lfeon
channelCount++;
}
// bit_rate_code - 5 bits. 2 bits from previous byte and 3 bits from next.
int halfFrmsizecod = ((nextByte & 0x03) << 3) | ((data.readUnsignedByte() & 0xE0) >> 5);
int constantBitrate = BITRATE_BY_HALF_FRMSIZECOD[halfFrmsizecod];
return new Format.Builder()
.setId(trackId)
.setSampleMimeType(MimeTypes.AUDIO_AC3)
@ -165,6 +168,8 @@ public final class Ac3Util {
.setSampleRate(sampleRate)
.setDrmInitData(drmInitData)
.setLanguage(language)
.setAverageBitrate(constantBitrate)
.setPeakBitrate(constantBitrate)
.build();
}
@ -180,7 +185,9 @@ public final class Ac3Util {
*/
public static Format parseEAc3AnnexFFormat(
ParsableByteArray data, String trackId, String language, @Nullable DrmInitData drmInitData) {
data.skipBytes(2); // data_rate, num_ind_sub
// 13 bits for data_rate, 3 bits for num_ind_sub which are ignored.
int peakBitrate =
((data.readUnsignedByte() & 0xFF) << 5) | ((data.readUnsignedByte() & 0xF8) >> 3);
// Read the first independent substream.
int fscod = (data.readUnsignedByte() & 0xC0) >> 6;
@ -216,6 +223,7 @@ public final class Ac3Util {
.setSampleRate(sampleRate)
.setDrmInitData(drmInitData)
.setLanguage(language)
.setPeakBitrate(peakBitrate)
.build();
}

2
libraries/test_data/src/test/assets/extractordumps/mp4/sample_ac3.mp4.0.dump
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@ -10,6 +10,8 @@ track 0:
total output bytes = 13824
sample count = 9
format 0:
averageBitrate = 384
peakBitrate = 384
id = 1
sampleMimeType = audio/ac3
maxInputSize = 1566

2
libraries/test_data/src/test/assets/extractordumps/mp4/sample_ac3.mp4.1.dump
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@ -10,6 +10,8 @@ track 0:
total output bytes = 9216
sample count = 6
format 0:
averageBitrate = 384
peakBitrate = 384
id = 1
sampleMimeType = audio/ac3
maxInputSize = 1566

2
libraries/test_data/src/test/assets/extractordumps/mp4/sample_ac3.mp4.2.dump
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@ -10,6 +10,8 @@ track 0:
total output bytes = 4608
sample count = 3
format 0:
averageBitrate = 384
peakBitrate = 384
id = 1
sampleMimeType = audio/ac3
maxInputSize = 1566

2
libraries/test_data/src/test/assets/extractordumps/mp4/sample_ac3.mp4.3.dump
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@ -10,6 +10,8 @@ track 0:
total output bytes = 1536
sample count = 1
format 0:
averageBitrate = 384
peakBitrate = 384
id = 1
sampleMimeType = audio/ac3
maxInputSize = 1566

2
libraries/test_data/src/test/assets/extractordumps/mp4/sample_ac3.mp4.unknown_length.dump
View File

@ -10,6 +10,8 @@ track 0:
total output bytes = 13824
sample count = 9
format 0:
averageBitrate = 384
peakBitrate = 384
id = 1
sampleMimeType = audio/ac3
maxInputSize = 1566

2
libraries/test_data/src/test/assets/extractordumps/mp4/sample_ac3_fragmented.mp4.0.dump
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@ -10,6 +10,8 @@ track 0:
total output bytes = 13824
sample count = 9
format 0:
averageBitrate = 384
peakBitrate = 384
id = 1
sampleMimeType = audio/ac3
channelCount = 6

2
libraries/test_data/src/test/assets/extractordumps/mp4/sample_ac3_fragmented.mp4.1.dump
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@ -10,6 +10,8 @@ track 0:
total output bytes = 10752
sample count = 7
format 0:
averageBitrate = 384
peakBitrate = 384
id = 1
sampleMimeType = audio/ac3
channelCount = 6

2
libraries/test_data/src/test/assets/extractordumps/mp4/sample_ac3_fragmented.mp4.2.dump
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@ -10,6 +10,8 @@ track 0:
total output bytes = 6144
sample count = 4
format 0:
averageBitrate = 384
peakBitrate = 384
id = 1
sampleMimeType = audio/ac3
channelCount = 6

2
libraries/test_data/src/test/assets/extractordumps/mp4/sample_ac3_fragmented.mp4.3.dump
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@ -10,6 +10,8 @@ track 0:
total output bytes = 1536
sample count = 1
format 0:
averageBitrate = 384
peakBitrate = 384
id = 1
sampleMimeType = audio/ac3
channelCount = 6

2
libraries/test_data/src/test/assets/extractordumps/mp4/sample_ac3_fragmented.mp4.unknown_length.dump
View File

@ -10,6 +10,8 @@ track 0:
total output bytes = 13824
sample count = 9
format 0:
averageBitrate = 384
peakBitrate = 384
id = 1
sampleMimeType = audio/ac3
channelCount = 6

1
libraries/test_data/src/test/assets/extractordumps/mp4/sample_eac3.mp4.0.dump
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@ -10,6 +10,7 @@ track 0:
total output bytes = 216000
sample count = 54
format 0:
peakBitrate = 1000
id = 1
sampleMimeType = audio/eac3
maxInputSize = 4030

1
libraries/test_data/src/test/assets/extractordumps/mp4/sample_eac3.mp4.1.dump
View File

@ -10,6 +10,7 @@ track 0:
total output bytes = 144000
sample count = 36
format 0:
peakBitrate = 1000
id = 1
sampleMimeType = audio/eac3
maxInputSize = 4030

1
libraries/test_data/src/test/assets/extractordumps/mp4/sample_eac3.mp4.2.dump
View File

@ -10,6 +10,7 @@ track 0:
total output bytes = 72000
sample count = 18
format 0:
peakBitrate = 1000
id = 1
sampleMimeType = audio/eac3
maxInputSize = 4030

1
libraries/test_data/src/test/assets/extractordumps/mp4/sample_eac3.mp4.3.dump
View File

@ -10,6 +10,7 @@ track 0:
total output bytes = 4000
sample count = 1
format 0:
peakBitrate = 1000
id = 1
sampleMimeType = audio/eac3
maxInputSize = 4030

1
libraries/test_data/src/test/assets/extractordumps/mp4/sample_eac3.mp4.unknown_length.dump
View File

@ -10,6 +10,7 @@ track 0:
total output bytes = 216000
sample count = 54
format 0:
peakBitrate = 1000
id = 1
sampleMimeType = audio/eac3
maxInputSize = 4030

1
libraries/test_data/src/test/assets/extractordumps/mp4/sample_eac3_fragmented.mp4.0.dump
View File

@ -10,6 +10,7 @@ track 0:
total output bytes = 216000
sample count = 54
format 0:
peakBitrate = 1000
id = 1
sampleMimeType = audio/eac3
channelCount = 6

1
libraries/test_data/src/test/assets/extractordumps/mp4/sample_eac3_fragmented.mp4.1.dump
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@ -10,6 +10,7 @@ track 0:
total output bytes = 148000
sample count = 37
format 0:
peakBitrate = 1000
id = 1
sampleMimeType = audio/eac3
channelCount = 6

1
libraries/test_data/src/test/assets/extractordumps/mp4/sample_eac3_fragmented.mp4.2.dump
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@ -10,6 +10,7 @@ track 0:
total output bytes = 76000
sample count = 19
format 0:
peakBitrate = 1000
id = 1
sampleMimeType = audio/eac3
channelCount = 6

1
libraries/test_data/src/test/assets/extractordumps/mp4/sample_eac3_fragmented.mp4.3.dump
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@ -10,6 +10,7 @@ track 0:
total output bytes = 4000
sample count = 1
format 0:
peakBitrate = 1000
id = 1
sampleMimeType = audio/eac3
channelCount = 6

1
libraries/test_data/src/test/assets/extractordumps/mp4/sample_eac3_fragmented.mp4.unknown_length.dump
View File

@ -10,6 +10,7 @@ track 0:
total output bytes = 216000
sample count = 54
format 0:
peakBitrate = 1000
id = 1
sampleMimeType = audio/eac3
channelCount = 6

1
libraries/test_data/src/test/assets/extractordumps/mp4/sample_eac3joc.mp4.0.dump
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@ -10,6 +10,7 @@ track 0:
total output bytes = 163840
sample count = 64
format 0:
peakBitrate = 640
id = 1
sampleMimeType = audio/eac3-joc
maxInputSize = 2590

1
libraries/test_data/src/test/assets/extractordumps/mp4/sample_eac3joc.mp4.1.dump
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@ -10,6 +10,7 @@ track 0:
total output bytes = 110080
sample count = 43
format 0:
peakBitrate = 640
id = 1
sampleMimeType = audio/eac3-joc
maxInputSize = 2590

1
libraries/test_data/src/test/assets/extractordumps/mp4/sample_eac3joc.mp4.2.dump
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@ -10,6 +10,7 @@ track 0:
total output bytes = 56320
sample count = 22
format 0:
peakBitrate = 640
id = 1
sampleMimeType = audio/eac3-joc
maxInputSize = 2590

1
libraries/test_data/src/test/assets/extractordumps/mp4/sample_eac3joc.mp4.3.dump
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@ -10,6 +10,7 @@ track 0:
total output bytes = 2560
sample count = 1
format 0:
peakBitrate = 640
id = 1
sampleMimeType = audio/eac3-joc
maxInputSize = 2590

1
libraries/test_data/src/test/assets/extractordumps/mp4/sample_eac3joc.mp4.unknown_length.dump
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@ -10,6 +10,7 @@ track 0:
total output bytes = 163840
sample count = 64
format 0:
peakBitrate = 640
id = 1
sampleMimeType = audio/eac3-joc
maxInputSize = 2590

1
libraries/test_data/src/test/assets/extractordumps/mp4/sample_eac3joc_fragmented.mp4.0.dump
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@ -10,6 +10,7 @@ track 0:
total output bytes = 163840
sample count = 64
format 0:
peakBitrate = 640
id = 1
sampleMimeType = audio/eac3-joc
channelCount = 6

1
libraries/test_data/src/test/assets/extractordumps/mp4/sample_eac3joc_fragmented.mp4.1.dump
View File

@ -10,6 +10,7 @@ track 0:
total output bytes = 110080
sample count = 43
format 0:
peakBitrate = 640
id = 1
sampleMimeType = audio/eac3-joc
channelCount = 6

1
libraries/test_data/src/test/assets/extractordumps/mp4/sample_eac3joc_fragmented.mp4.2.dump
View File

@ -10,6 +10,7 @@ track 0:
total output bytes = 56320
sample count = 22
format 0:
peakBitrate = 640
id = 1
sampleMimeType = audio/eac3-joc
channelCount = 6

1
libraries/test_data/src/test/assets/extractordumps/mp4/sample_eac3joc_fragmented.mp4.3.dump
View File

@ -10,6 +10,7 @@ track 0:
total output bytes = 2560
sample count = 1
format 0:
peakBitrate = 640
id = 1
sampleMimeType = audio/eac3-joc
channelCount = 6

1
libraries/test_data/src/test/assets/extractordumps/mp4/sample_eac3joc_fragmented.mp4.unknown_length.dump
View File

@ -10,6 +10,7 @@ track 0:
total output bytes = 163840
sample count = 64
format 0:
peakBitrate = 640
id = 1
sampleMimeType = audio/eac3-joc
channelCount = 6