diff --git a/include/media/openmax/OMX_Audio.h b/include/media/openmax/OMX_Audio.h
index 89ce0fc..f4cb643 100644
--- a/include/media/openmax/OMX_Audio.h
+++ b/include/media/openmax/OMX_Audio.h
@@ -278,6 +278,7 @@
 #define OMX_AUDIO_AACToolTNS  0x00000004 /**< TNS: Temporal Noise Shaping tool allowed or active */
 #define OMX_AUDIO_AACToolPNS  0x00000008 /**< PNS: MPEG-4 Perceptual Noise substitution tool allowed or active */
 #define OMX_AUDIO_AACToolLTP  0x00000010 /**< LTP: MPEG-4 Long Term Prediction tool allowed or active */
+#define OMX_AUDIO_AACToolVendor 0x00010000 /**< NOT A KHRONOS VALUE, offset for vendor-specific additions */
 #define OMX_AUDIO_AACToolAll  0x7FFFFFFF /**< all AAC tools allowed or active (*/
 
 /** MPEG-4 AAC error resilience (ER) tool usage (for nAACERtools in OMX_AUDIO_PARAM_AACPROFILETYPE).
diff --git a/include/media/openmax/OMX_AudioExt.h b/include/media/openmax/OMX_AudioExt.h
index dc6457b..8a2c4de 100644
--- a/include/media/openmax/OMX_AudioExt.h
+++ b/include/media/openmax/OMX_AudioExt.h
@@ -40,6 +40,9 @@
  */
 #include <OMX_Core.h>
 
+#define OMX_AUDIO_AACToolAndroidSSBR (OMX_AUDIO_AACToolVendor << 0) /**< SSBR: MPEG-4 Single-rate (downsampled) Spectral Band Replication tool allowed or active */
+#define OMX_AUDIO_AACToolAndroidDSBR (OMX_AUDIO_AACToolVendor << 1) /**< DSBR: MPEG-4 Dual-rate Spectral Band Replication tool allowed or active */
+
 typedef enum OMX_AUDIO_CODINGEXTTYPE {
     OMX_AUDIO_CodingAndroidUnused = OMX_AUDIO_CodingKhronosExtensions + 0x00100000,
     OMX_AUDIO_CodingAndroidAC3,         /**< AC3 encoded data */
@@ -69,6 +72,17 @@
                                    limit the audio signal. Use 0 to let encoder decide */
 } OMX_AUDIO_PARAM_ANDROID_OPUSTYPE;
 
+typedef struct OMX_AUDIO_PARAM_ANDROID_AACPRESENTATIONTYPE {
+    OMX_U32 nSize;            /**< size of the structure in bytes */
+    OMX_VERSIONTYPE nVersion; /**< OMX specification version information */
+    OMX_S32 nMaxOutputChannels;    /**< Maximum channel count to be output, -1 if unspecified, 0 if downmixing disabled */
+    OMX_S32 nDrcCut;               /**< The DRC attenuation factor, between 0 and 127, -1 if unspecified */
+    OMX_S32 nDrcBoost;             /**< The DRC amplification factor, between 0 and 127, -1 if unspecified */
+    OMX_S32 nHeavyCompression;     /**< 0 for light compression, 1 for heavy compression, -1 if unspecified */
+    OMX_S32 nTargetReferenceLevel; /**< Target reference level, between 0 and 127, -1 if unspecified */
+    OMX_S32 nEncodedTargetLevel;   /**< Target reference level assumed at the encoder, between 0 and 127, -1 if unspecified */
+} OMX_AUDIO_PARAM_ANDROID_AACPRESENTATIONTYPE;
+
 #ifdef __cplusplus
 }
 #endif /* __cplusplus */
diff --git a/include/media/openmax/OMX_IndexExt.h b/include/media/openmax/OMX_IndexExt.h
index 7070809..6cd774b 100644
--- a/include/media/openmax/OMX_IndexExt.h
+++ b/include/media/openmax/OMX_IndexExt.h
@@ -59,6 +59,7 @@
     OMX_IndexExtAudioStartUnused = OMX_IndexKhronosExtensions + 0x00400000,
     OMX_IndexParamAudioAndroidAc3,                  /**< reference: OMX_AUDIO_PARAM_ANDROID_AC3TYPE */
     OMX_IndexParamAudioAndroidOpus,                 /**< reference: OMX_AUDIO_PARAM_ANDROID_OPUSTYPE */
+    OMX_IndexParamAudioAndroidAacPresentation,      /**< reference: OMX_AUDIO_PARAM_ANDROID_AACPRESENTATIONTYPE */
 
     /* Image parameters and configurations */
     OMX_IndexExtImageStartUnused = OMX_IndexKhronosExtensions + 0x00500000,