Gracefully handle the missing duration field for decoded audio.

This commit is contained in:
Anton Chekulaev 2020-10-26 12:03:20 +11:00
parent 5974abee34
commit 7d9f5a4fd1

View File

@ -108,10 +108,19 @@ class DecodedAudio {
channels = mediaFormat.getInteger(MediaFormat.KEY_CHANNEL_COUNT)
sampleRate = mediaFormat.getInteger(MediaFormat.KEY_SAMPLE_RATE)
totalDuration = mediaFormat.getLong(MediaFormat.KEY_DURATION)
// On some old APIs (23) this field might be missing.
totalDuration = if (mediaFormat.containsKey(MediaFormat.KEY_DURATION)) {
mediaFormat.getLong(MediaFormat.KEY_DURATION)
} else {
-1L
}
// Expected total number of samples per channel.
val expectedNumSamples = ((totalDuration / 1000000f) * sampleRate + 0.5f).toInt()
val expectedNumSamples = if (totalDuration >= 0) {
((totalDuration / 1000000f) * sampleRate + 0.5f).toInt()
} else {
Int.MAX_VALUE
}
val codec = MediaCodec.createDecoderByType(mediaFormat.getString(MediaFormat.KEY_MIME)!!)
codec.configure(mediaFormat, null, null, 0)