Add IAMF profiles to MediaCodecInfo.java, matching AudioCapabilities.cpp (277377f9) · Commits · e / os / android_frameworks_base

media/java/android/media/MediaCodecInfo.java

+57 −0

Original line number	Diff line number	Diff line
		@@ -1961,6 +1961,63 @@ public final class MediaCodecInfo {
		maxChannels = 32;
		}
		}
		} else if (GetFlag(() -> android.media.audio.Flags.iamfDefinitionsApi())
		&& mime.equalsIgnoreCase(MediaFormat.MIMETYPE_AUDIO_IAMF)) {
		for (CodecProfileLevel profileLevel : profileLevels) {
		int iamfEncoding = profileLevel.profile & 0xff;
		int iamfProfile = profileLevel.profile & (0xff << 16);
		switch (iamfProfile) {
		case CodecProfileLevel.IAMF_PROFILE_SIMPLE:
		// Per the IAMF spec, the Simple profile can have only one Audio
		// Element and 16
		// input channels.
		maxChannels = 16;
		break;
		case CodecProfileLevel.IAMF_PROFILE_BASE:
		// The Base profile can have up to 18 input channels.
		maxChannels = 18;
		break;
		case CodecProfileLevel.IAMF_PROFILE_BASE_ENHANCED:
		// The Base Enhanced profile can have up to 28 input channels.
		maxChannels = 28;
		break;
		default:
		Log.w(TAG, "Unrecognized IAMF profile "
		+ iamfProfile + " for "+ mime);
		mParent.mError \|= ERROR_UNRECOGNIZED;
		}
		// Samplerate and bitrate are only restricted by the underlying codecs, so
		// for AAC,
		// FLAC, and Opus these numbers match their numbers above.
		switch (iamfEncoding) {
		case CodecProfileLevel.IAMF_CODEC_OPUS:
		sampleRates = new int[] {48000};
		bitRates = Range.create(6000, 510000);
		break;
		case CodecProfileLevel.IAMF_CODEC_AAC:
		sampleRates =
		new int[] {
		7350, 8000, 11025, 12000, 16000, 22050, 24000, 32000,
		44100, 48000, 64000, 88200, 96000
		};
		bitRates = Range.create(8000, 510000);
		break;
		case CodecProfileLevel.IAMF_CODEC_FLAC:
		sampleRateRange = Range.create(1, 655350);
		// Lossless, bitrate range ignored. It's possible to be as wide as
		// Range.create(1, 21000000).
		break;
		case CodecProfileLevel.IAMF_CODEC_PCM:
		// PCM is limited by the IAMF spec to the following.
		sampleRates = new int[] {16000, 32000, 44100, 48000, 96000};
		// Lossless, no bitrate range.
		break;
		default:
		Log.w(TAG, "Unrecognized encoding "
		+ iamfEncoding + " for " + mime);
		mParent.mError \|= ERROR_UNRECOGNIZED;
		}
		}
		} else {
		Log.w(TAG, "Unsupported mime " + mime);
		mParent.mError \|= ERROR_UNSUPPORTED;