AudioSystem: added JNI for routing extensions (b69681c8) · Commits · e / os / android_frameworks_base

core/jni/android_media_AudioFormat.h

+54 −0

Original line number	Original line	Diff line number	Diff line
	@@ -23,6 +23,11 @@
	#define ENCODING_PCM_16BIT 2		#define ENCODING_PCM_16BIT 2
	#define ENCODING_PCM_8BIT 3		#define ENCODING_PCM_8BIT 3
	#define ENCODING_PCM_FLOAT 4		#define ENCODING_PCM_FLOAT 4
			#define ENCODING_INVALID 0
			#define ENCODING_DEFAULT 1

			#define CHANNEL_INVALID 0
			#define CHANNEL_OUT_DEFAULT 1

	static inline audio_format_t audioFormatToNative(int audioFormat)		static inline audio_format_t audioFormatToNative(int audioFormat)
	{		{
	@@ -33,9 +38,58 @@ static inline audio_format_t audioFormatToNative(int audioFormat)
	return AUDIO_FORMAT_PCM_8_BIT;		return AUDIO_FORMAT_PCM_8_BIT;
	case ENCODING_PCM_FLOAT:		case ENCODING_PCM_FLOAT:
	return AUDIO_FORMAT_PCM_FLOAT;		return AUDIO_FORMAT_PCM_FLOAT;
			case ENCODING_DEFAULT:
			return AUDIO_FORMAT_DEFAULT;
	default:		default:
	return AUDIO_FORMAT_INVALID;		return AUDIO_FORMAT_INVALID;
	}		}
	}		}

			static inline int audioFormatFromNative(audio_format_t nativeFormat)
			{
			switch (nativeFormat) {
			case AUDIO_FORMAT_PCM_16_BIT:
			return ENCODING_PCM_16BIT;
			case AUDIO_FORMAT_PCM_8_BIT:
			return ENCODING_PCM_8BIT;
			case AUDIO_FORMAT_PCM_FLOAT:
			return ENCODING_PCM_FLOAT;
			case AUDIO_FORMAT_DEFAULT:
			return ENCODING_DEFAULT;
			default:
			return ENCODING_INVALID;
			}
			}

			static inline audio_channel_mask_t outChannelMaskToNative(int channelMask)
			{
			switch (channelMask) {
			case CHANNEL_OUT_DEFAULT:
			case CHANNEL_INVALID:
			return AUDIO_CHANNEL_NONE;
			default:
			return (audio_channel_mask_t)(channelMask>>2);
			}
			}

			static inline int outChannelMaskFromNative(audio_channel_mask_t nativeMask)
			{
			switch (nativeMask) {
			case AUDIO_CHANNEL_NONE:
			return CHANNEL_OUT_DEFAULT;
			default:
			return (int)nativeMask<<2;
			}
			}

			static inline audio_channel_mask_t inChannelMaskToNative(int channelMask)
			{
			return (audio_channel_mask_t)channelMask;
			}

			static inline int inChannelMaskFromNative(audio_channel_mask_t nativeMask)
			{
			return (int)nativeMask;
			}

	#endif // ANDROID_MEDIA_AUDIOFORMAT_H		#endif // ANDROID_MEDIA_AUDIOFORMAT_H