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Read sampleRate from audio files

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Deluan 2024-05-11 16:54:59 -04:00 • committed by Deluan Quintão
parent ed83c22632
commit 472324e280
4 changed files with 36 additions and 12 deletions
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4
scanner/metadata/ffmpeg/ffmpeg.go
View file

@ -81,7 +81,8 @@ var (
// Stream #0:0: Audio: mp3, 44100 Hz, stereo, fltp, 192 kb/s
// Stream #0:0: Audio: flac, 44100 Hz, stereo, s16
audioStreamRx = regexp.MustCompile(`^\s{2,4}Stream #\d+:\d+.*: Audio: (.*), (.* Hz), ([\w.]+),*(.*.,)*`)
// Stream #0:0: Audio: dsd_lsbf_planar, 352800 Hz, stereo, fltp, 5644 kb/s
audioStreamRx = regexp.MustCompile(`^\s{2,4}Stream #\d+:\d+.*: Audio: (.*), (.*) Hz, ([\w.]+),*(.*.,)*`)
// Stream #0:1: Video: mjpeg, yuvj444p(pc, bt470bg/unknown/unknown), 600x600 [SAR 1:1 DAR 1:1], 90k tbr, 90k tbn, 90k tbc`
coverRx = regexp.MustCompile(`^\s{2,4}Stream #\d+:.+: (Video):.*`)
@ -166,6 +167,7 @@ func (e *Extractor) parseInfo(info string) map[string][]string {
match = audioStreamRx.FindStringSubmatch(line)
if len(match) > 0 {
tags["samplerate"] = []string{match[2]}
tags["channels"] = []string{e.parseChannels(match[3])}
}
}

18
scanner/metadata/ffmpeg/ffmpeg_test.go
View file

@ -174,6 +174,24 @@ Input #0, flac, from '/Users/deluan/Music/iTunes/iTunes Media/Music/Compilations
Expect(md).To(HaveKeyWithValue("channels", []string{"2"}))
})
It("parse sampleRate from the stream", func() {
const output = `
Input #0, dsf, from '/Users/deluan/Downloads/06-04 Perpetual Change.dsf':
Duration: 00:14:19.46, start: 0.000000, bitrate: 5644 kb/s
Stream #0:0: Audio: dsd_lsbf_planar, 352800 Hz, stereo, fltp, 5644 kb/s`
md, _ := e.extractMetadata("tests/fixtures/test.mp3", output)
Expect(md).To(HaveKeyWithValue("samplerate", []string{"352800"}))
})
It("parse sampleRate from the stream", func() {
const output = `
Input #0, wav, from '/Users/deluan/Music/Music/Media/_/multichannel/Nums_7dot1_24_48000.wav':
Duration: 00:00:09.05, bitrate: 9216 kb/s
Stream #0:0: Audio: pcm_s24le ([1][0][0][0] / 0x0001), 48000 Hz, 7.1, s32 (24 bit), 9216 kb/s`
md, _ := e.extractMetadata("tests/fixtures/test.mp3", output)
Expect(md).To(HaveKeyWithValue("samplerate", []string{"48000"}))
})
It("parses stream level tags", func() {
const output = `
Input #0, ogg, from './01-02 Drive (Teku).opus':

25
scanner/metadata/taglib/taglib_test.go
View file

@ -26,6 +26,7 @@ var _ = Describe("Extractor", func() {
Expect(err).NotTo(HaveOccurred())
Expect(mds).To(HaveLen(2))
// Test MP3
m := mds["tests/fixtures/test.mp3"]
Expect(m).To(HaveKeyWithValue("title", []string{"Song", "Song"}))
Expect(m).To(HaveKeyWithValue("album", []string{"Album", "Album"}))
@ -44,6 +45,7 @@ var _ = Describe("Extractor", func() {
Expect(m).To(HaveKeyWithValue("duration", []string{"1.02"}))
Expect(m).To(HaveKeyWithValue("bitrate", []string{"192"}))
Expect(m).To(HaveKeyWithValue("channels", []string{"2"}))
Expect(m).To(HaveKeyWithValue("samplerate", []string{"44100"}))
Expect(m).To(HaveKeyWithValue("comment", []string{"Comment1\nComment2"}))
Expect(m).ToNot(HaveKey("lyrics"))
Expect(m).To(Or(HaveKeyWithValue("lyrics-eng", []string{
@ -70,11 +72,13 @@ var _ = Describe("Extractor", func() {
m = m.Map(e.CustomMappings())
Expect(m).To(HaveKeyWithValue("tracknumber", []string{"2/10", "2/10", "2"}))
// Test OGG
m = mds["tests/fixtures/test.ogg"]
Expect(err).To(BeNil())
Expect(m).ToNot(HaveKey("has_picture"))
Expect(m).To(HaveKeyWithValue("duration", []string{"1.04"}))
Expect(m).To(HaveKeyWithValue("fbpm", []string{"141.7"}))
Expect(m).To(HaveKeyWithValue("samplerate", []string{"8000"}))
// TabLib 1.12 returns 18, previous versions return 39.
// See https://github.com/taglib/taglib/commit/2f238921824741b2cfe6fbfbfc9701d9827ab06b
@ -83,7 +87,7 @@ var _ = Describe("Extractor", func() {
})
DescribeTable("Format-Specific tests",
func(file, duration, channels, albumGain, albumPeak, trackGain, trackPeak string, id3Lyrics bool) {
func(file, duration, channels, samplerate, albumGain, albumPeak, trackGain, trackPeak string, id3Lyrics bool) {
file = "tests/fixtures/" + file
mds, err := e.Parse(file)
Expect(err).NotTo(HaveOccurred())
@ -122,6 +126,7 @@ var _ = Describe("Extractor", func() {
Expect(m).To(HaveKeyWithValue("duration", []string{duration}))
Expect(m).To(HaveKeyWithValue("channels", []string{channels}))
Expect(m).To(HaveKeyWithValue("samplerate", []string{samplerate}))
Expect(m).To(HaveKeyWithValue("comment", []string{"Comment1\nComment2"}))
if id3Lyrics {
@ -147,26 +152,24 @@ var _ = Describe("Extractor", func() {
},
// ffmpeg -f lavfi -i "sine=frequency=1200:duration=1" test.flac
Entry("correctly parses flac tags", "test.flac", "1.00", "1", "+4.06 dB", "0.12496948", "+4.06 dB", "0.12496948", false),
Entry("correctly parses flac tags", "test.flac", "1.00", "1", "44100", "+4.06 dB", "0.12496948", "+4.06 dB", "0.12496948", false),
Entry("Correctly parses m4a (aac) gain tags", "01 Invisible (RED) Edit Version.m4a", "1.04", "2", "0.37", "0.48", "0.37", "0.48", false),
Entry("Correctly parses m4a (aac) gain tags (uppercase)", "test.m4a", "1.04", "2", "0.37", "0.48", "0.37", "0.48", false),
Entry("correctly parses ogg (vorbis) tags", "test.ogg", "1.04", "2", "+7.64 dB", "0.11772506", "+7.64 dB", "0.11772506", false),
Entry("Correctly parses m4a (aac) gain tags", "01 Invisible (RED) Edit Version.m4a", "1.04", "2", "44100", "0.37", "0.48", "0.37", "0.48", false),
Entry("Correctly parses m4a (aac) gain tags (uppercase)", "test.m4a", "1.04", "2", "44100", "0.37", "0.48", "0.37", "0.48", false),
Entry("correctly parses ogg (vorbis) tags", "test.ogg", "1.04", "2", "8000", "+7.64 dB", "0.11772506", "+7.64 dB", "0.11772506", false),
// ffmpeg -f lavfi -i "sine=frequency=900:duration=1" test.wma
// Weird note: for the tag parsing to work, the lyrics are actually stored in the reverse order
Entry("correctly parses wma/asf tags", "test.wma", "1.02", "1", "3.27 dB", "0.132914", "3.27 dB", "0.132914", false),
Entry("correctly parses wma/asf tags", "test.wma", "1.02", "1", "44100", "3.27 dB", "0.132914", "3.27 dB", "0.132914", false),
// ffmpeg -f lavfi -i "sine=frequency=800:duration=1" test.wv
Entry("correctly parses wv (wavpak) tags", "test.wv", "1.00", "1", "3.43 dB", "0.125061", "3.43 dB", "0.125061", false),
Entry("correctly parses wv (wavpak) tags", "test.wv", "1.00", "1", "44100", "3.43 dB", "0.125061", "3.43 dB", "0.125061", false),
// TODO - these break in the pipeline as it uses TabLib 1.11. Once Ubuntu 24.04 is released we can uncomment these tests
// ffmpeg -f lavfi -i "sine=frequency=1000:duration=1" test.wav
// Entry("correctly parses wav tags", "test.wav", "1.00", "1", "3.06 dB", "0.125056", "3.06 dB", "0.125056", true),
Entry("correctly parses wav tags", "test.wav", "1.00", "1", "44100", "3.06 dB", "0.125056", "3.06 dB", "0.125056", true),
// ffmpeg -f lavfi -i "sine=frequency=1400:duration=1" test.aiff
// Entry("correctly parses aiff tags", "test.aiff", "1.00", "1", "2.00 dB", "0.124972", "2.00 dB", "0.124972", true),
Entry("correctly parses aiff tags", "test.aiff", "1.00", "1", "44100", "2.00 dB", "0.124972", "2.00 dB", "0.124972", true),
)
// Skip these tests when running as root

1
scanner/metadata/taglib/taglib_wrapper.cpp
View file

@ -45,6 +45,7 @@ int taglib_read(const FILENAME_CHAR_T *filename, unsigned long id) {
go_map_put_int(id, (char *)"lengthinmilliseconds", props->lengthInMilliseconds());
go_map_put_int(id, (char *)"bitrate", props->bitrate());
go_map_put_int(id, (char *)"channels", props->channels());
go_map_put_int(id, (char *)"samplerate", props->sampleRate());
// Create a map to collect all the tags
TagLib::PropertyMap tags = f.file()->properties();