Merge "Set bits per sample for FLAC and WAV"

am: b01ea19315

Change-Id: Ib617a339cba0ae957505c4439e1052f3bfd9e526

media/extractors/flac/FLACExtractor.cpp

@@ -618,6 +618,7 @@ status_t FLACParser::init()
             mTrackMetadata->setCString(kKeyMIMEType, MEDIA_MIMETYPE_AUDIO_RAW);
             mTrackMetadata->setInt32(kKeyChannelCount, getChannels());
             mTrackMetadata->setInt32(kKeySampleRate, getSampleRate());
+            mTrackMetadata->setInt32(kKeyBitsPerSample, getBitsPerSample());
             mTrackMetadata->setInt32(kKeyPcmEncoding, kAudioEncodingPcm16bit);
             // sample rate is non-zero, so division by zero not possible
             mTrackMetadata->setInt64(kKeyDuration,

media/extractors/wav/WAVExtractor.cpp

@@ -310,6 +310,7 @@ status_t WAVExtractor::init() {
                 mTrackMeta.setInt32(kKeyChannelCount, mNumChannels);
                 mTrackMeta.setInt32(kKeyChannelMask, mChannelMask);
                 mTrackMeta.setInt32(kKeySampleRate, mSampleRate);
+                mTrackMeta.setInt32(kKeyBitsPerSample, mBitsPerSample);
                 mTrackMeta.setInt32(kKeyPcmEncoding, kAudioEncodingPcm16bit);
 
                 int64_t durationUs = 0;