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Code Issues Packages Projects Releases Activity

- Layout Changes

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- HLS media extraction
This commit is contained in:
Michatec
2026-01-25 16:08:22 +01:00
parent 0adb906438
commit d3dfcb98f9
3 changed files with 45 additions and 9 deletions
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35
app/src/main/java/com/michatec/radio/helpers/AudioHelper.kt
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@@ -20,6 +20,8 @@ import androidx.media3.common.Metadata
import androidx.media3.common.util.UnstableApi
import androidx.media3.extractor.metadata.icy.IcyHeaders
import androidx.media3.extractor.metadata.icy.IcyInfo
import androidx.media3.extractor.metadata.id3.Id3Frame
import androidx.media3.extractor.metadata.id3.TextInformationFrame
import com.michatec.radio.Keys
import kotlin.math.min
@@ -37,28 +39,51 @@ object AudioHelper {
/* Extract audio stream metadata */
@OptIn(UnstableApi::class)
fun getMetadataString(metadata: Metadata): String {
var metadataString = String()
var title = ""
var artist = ""
var album = ""
for (i in 0 until metadata.length()) {
// extract IceCast metadata
when (val entry = metadata.get(i)) {
is IcyInfo -> {
metadataString = entry.title.toString()
title = entry.title.toString()
}
is IcyHeaders -> {
Log.i(TAG, "icyHeaders:" + entry.name + " - " + entry.genre)
}
is Id3Frame -> {
when (entry) {
is TextInformationFrame -> {
when (entry.id) {
"TIT2" -> title = entry.values.getOrNull(0) ?: "" // Title
"TPE1" -> artist = entry.values.getOrNull(0) ?: "" // Artist
"TALB" -> album = entry.values.getOrNull(0) ?: "" // Album
}
}
else -> {
Log.d(TAG, "Unhandled ID3 frame: ${entry.javaClass.simpleName}")
}
}
}
else -> {
Log.w(TAG, "Unsupported metadata received (type = ${entry.javaClass.simpleName})")
}
}
// TODO implement HLS metadata extraction (Id3Frame / PrivFrame)
// https://exoplayer.dev/doc/reference/com/google/android/exoplayer2/metadata/Metadata.Entry.html
}
// Build metadata string
var metadataString = title
if (artist.isNotEmpty() && title.isNotEmpty()) {
metadataString = "$artist - $title"
}
if (album.isNotEmpty() && metadataString.isNotEmpty()) {
metadataString += " ($album)"
}
// ensure a max length of the metadata string
if (metadataString.isNotEmpty()) {
metadataString = metadataString.substring(0, min(metadataString.length, Keys.DEFAULT_MAX_LENGTH_OF_METADATA_ENTRY))
metadataString = metadataString.take(min(metadataString.length, Keys.DEFAULT_MAX_LENGTH_OF_METADATA_ENTRY))
}
return metadataString
}