diff --git a/media/extractors/mp4/ItemTable.cpp b/media/extractors/mp4/ItemTable.cpp
index 2599c2c..0b1cfa0 100644
--- a/media/extractors/mp4/ItemTable.cpp
+++ b/media/extractors/mp4/ItemTable.cpp
@@ -76,6 +76,7 @@
     size_t size;
     sp<ABuffer> hvcc;
     sp<ABuffer> icc;
+    sp<ABuffer> av1c;
 
     Vector<uint32_t> thumbnails;
     Vector<uint32_t> dimgRefs;
@@ -764,6 +765,39 @@
     return OK;
 }
 
+struct Av1cBox : public Box, public ItemProperty {
+    Av1cBox(DataSourceHelper *source) :
+        Box(source, FOURCC("av1C")) {}
+
+    status_t parse(off64_t offset, size_t size) override;
+
+    void attachTo(ImageItem &image) const override {
+        image.av1c = mAv1c;
+    }
+
+private:
+    sp<ABuffer> mAv1c;
+};
+
+status_t Av1cBox::parse(off64_t offset, size_t size) {
+    ALOGV("%s: offset %lld, size %zu", __FUNCTION__, (long long)offset, size);
+
+    mAv1c = new ABuffer(size);
+
+    if (mAv1c->data() == NULL) {
+        ALOGE("b/28471206");
+        return NO_MEMORY;
+    }
+
+    if (source()->readAt(offset, mAv1c->data(), size) < (ssize_t)size) {
+        return ERROR_IO;
+    }
+
+    ALOGV("property av1C");
+
+    return OK;
+}
+
 struct IrotBox : public Box, public ItemProperty {
     IrotBox(DataSourceHelper *source) :
         Box(source, FOURCC("irot")), mAngle(0) {}
@@ -957,6 +991,11 @@
             itemProperty = new ColrBox(source());
             break;
         }
+        case FOURCC("av1C"):
+        {
+            itemProperty = new Av1cBox(source());
+            break;
+        }
         default:
         {
             // push dummy to maintain correct item property index
@@ -1203,8 +1242,9 @@
 
 //////////////////////////////////////////////////////////////////
 
-ItemTable::ItemTable(DataSourceHelper *source)
+ItemTable::ItemTable(DataSourceHelper *source, bool isHeif)
     : mDataSource(source),
+      mIsHeif(isHeif),
       mPrimaryItemId(0),
       mIdatOffset(0),
       mIdatSize(0),
@@ -1363,7 +1403,8 @@
         //   'Exif': EXIF metadata
         if (info.itemType != FOURCC("grid") &&
             info.itemType != FOURCC("hvc1") &&
-            info.itemType != FOURCC("Exif")) {
+            info.itemType != FOURCC("Exif") &&
+            info.itemType != FOURCC("av01")) {
             continue;
         }
 
@@ -1509,7 +1550,9 @@
     }
 
     AMediaFormat *meta = AMediaFormat_new();
-    AMediaFormat_setString(meta, AMEDIAFORMAT_KEY_MIME, MEDIA_MIMETYPE_IMAGE_ANDROID_HEIC);
+    AMediaFormat_setString(
+        meta, AMEDIAFORMAT_KEY_MIME,
+        mIsHeif ? MEDIA_MIMETYPE_IMAGE_ANDROID_HEIC : MEDIA_MIMETYPE_IMAGE_AVIF);
 
     if (image->itemId == mPrimaryItemId) {
         AMediaFormat_setInt32(meta, AMEDIAFORMAT_KEY_IS_DEFAULT, 1);
@@ -1539,7 +1582,7 @@
         ssize_t thumbItemIndex = mItemIdToItemMap.indexOfKey(image->thumbnails[0]);
         if (thumbItemIndex >= 0) {
             const ImageItem &thumbnail = mItemIdToItemMap[thumbItemIndex];
-
+            // TODO(vigneshv): Handle thumbnail for AVIF.
             if (thumbnail.hvcc != NULL) {
                 AMediaFormat_setInt32(meta,
                         AMEDIAFORMAT_KEY_THUMBNAIL_WIDTH, thumbnail.width);
@@ -1574,12 +1617,21 @@
                 AMEDIAFORMAT_KEY_MAX_INPUT_SIZE, image->width * image->height * 3 / 2);
     }
 
-    if (image->hvcc == NULL) {
-        ALOGE("%s: hvcc is missing for image[%u]!", __FUNCTION__, imageIndex);
-        return NULL;
+    if (mIsHeif) {
+        if (image->hvcc == NULL) {
+            ALOGE("%s: hvcc is missing for image[%u]!", __FUNCTION__, imageIndex);
+            return NULL;
+        }
+        AMediaFormat_setBuffer(meta,
+                AMEDIAFORMAT_KEY_CSD_HEVC, image->hvcc->data(), image->hvcc->size());
+    } else {
+        if (image->av1c == NULL) {
+            ALOGE("%s: av1c is missing for image[%u]!", __FUNCTION__, imageIndex);
+            return NULL;
+        }
+        AMediaFormat_setBuffer(meta,
+                AMEDIAFORMAT_KEY_CSD_0, image->av1c->data(), image->av1c->size());
     }
-    AMediaFormat_setBuffer(meta,
-            AMEDIAFORMAT_KEY_CSD_HEVC, image->hvcc->data(), image->hvcc->size());
 
     if (image->icc != NULL) {
         AMediaFormat_setBuffer(meta,
diff --git a/media/extractors/mp4/ItemTable.h b/media/extractors/mp4/ItemTable.h
index be81b59..b19dc18 100644
--- a/media/extractors/mp4/ItemTable.h
+++ b/media/extractors/mp4/ItemTable.h
@@ -42,12 +42,12 @@
 
 /*
  * ItemTable keeps track of all image items (including coded images, grids and
- * tiles) inside a HEIF still image (ISO/IEC FDIS 23008-12.2:2017(E)).
+ * tiles) inside a HEIF/AVIF still image (ISO/IEC FDIS 23008-12.2:2017(E)).
  */
 
 class ItemTable : public RefBase {
 public:
-    explicit ItemTable(DataSourceHelper *source);
+    ItemTable(DataSourceHelper *source, bool isHeif);
 
     status_t parse(uint32_t type, off64_t offset, size_t size);
 
@@ -65,6 +65,8 @@
 
 private:
     DataSourceHelper *mDataSource;
+    // If this is true, then this item table is for a HEIF image. Otherwise it is for an AVIF image.
+    bool mIsHeif;
 
     KeyedVector<uint32_t, ItemLoc> mItemLocs;
     Vector<ItemInfo> mItemInfos;
diff --git a/media/extractors/mp4/MPEG4Extractor.cpp b/media/extractors/mp4/MPEG4Extractor.cpp
index bd36403..42bfc39 100644
--- a/media/extractors/mp4/MPEG4Extractor.cpp
+++ b/media/extractors/mp4/MPEG4Extractor.cpp
@@ -149,6 +149,7 @@
     uint8_t *mSrcBuffer;
 
     bool mIsHeif;
+    bool mIsAvif;
     bool mIsAudio;
     bool mIsUsac = false;
     sp<ItemTable> mItemTable;
@@ -414,6 +415,7 @@
       mIsHeif(false),
       mHasMoovBox(false),
       mPreferHeif(mime != NULL && !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_HEIF)),
+      mIsAvif(false),
       mFirstTrack(NULL),
       mLastTrack(NULL) {
     ALOGV("mime=%s, mPreferHeif=%d", mime, mPreferHeif);
@@ -670,7 +672,7 @@
         }
     }
 
-    if (mIsHeif && (mItemTable != NULL) && (mItemTable->countImages() > 0)) {
+    if ((mIsAvif || mIsHeif) && (mItemTable != NULL) && (mItemTable->countImages() > 0)) {
         off64_t exifOffset;
         size_t exifSize;
         if (mItemTable->getExifOffsetAndSize(&exifOffset, &exifSize) == OK) {
@@ -696,7 +698,7 @@
             }
             mInitCheck = OK;
 
-            ALOGV("adding HEIF image track %u", imageIndex);
+            ALOGV("adding %s image track %u", mIsHeif ? "HEIF" : "AVIF", imageIndex);
             Track *track = new Track;
             if (mLastTrack != NULL) {
                 mLastTrack->next = track;
@@ -722,6 +724,10 @@
                 MEDIA_MIMETYPE_IMAGE_ANDROID_HEIC) != NULL) {
             AMediaFormat_setString(mFileMetaData,
                     AMEDIAFORMAT_KEY_MIME, MEDIA_MIMETYPE_CONTAINER_HEIF);
+        } else if (findTrackByMimePrefix(
+                MEDIA_MIMETYPE_IMAGE_AVIF) != NULL) {
+            AMediaFormat_setString(mFileMetaData,
+                    AMEDIAFORMAT_KEY_MIME, MEDIA_MIMETYPE_IMAGE_AVIF);
         } else {
             AMediaFormat_setString(mFileMetaData,
                     AMEDIAFORMAT_KEY_MIME, "application/octet-stream");
@@ -2576,9 +2582,9 @@
         case FOURCC("iref"):
         case FOURCC("ipro"):
         {
-            if (mIsHeif) {
+            if (mIsHeif || mIsAvif) {
                 if (mItemTable == NULL) {
-                    mItemTable = new ItemTable(mDataSource);
+                    mItemTable = new ItemTable(mDataSource, mIsHeif);
                 }
                 status_t err = mItemTable->parse(
                         chunk_type, data_offset, chunk_data_size);
@@ -3019,14 +3025,20 @@
                     mIsHeif = true;
                     brandSet.erase(FOURCC("mif1"));
                     brandSet.erase(FOURCC("heic"));
+                } else if (brandSet.count(FOURCC("avif")) > 0 ||
+                       brandSet.count(FOURCC("avis")) > 0) {
+                    ALOGV("identified AVIF image");
+                    mIsAvif = true;
+                    brandSet.erase(FOURCC("avif"));
+                    brandSet.erase(FOURCC("avis"));
                 }
 
                 if (!brandSet.empty()) {
                     // This means that the file should have moov box.
                     // It could be any iso files (mp4, heifs, etc.)
                     mHasMoovBox = true;
-                    if (mIsHeif) {
-                        ALOGV("identified HEIF image with other tracks");
+                    if (mIsHeif || mIsAvif) {
+                        ALOGV("identified %s image with other tracks", mIsHeif ? "HEIF" : "AVIF");
                     }
                 }
             }
@@ -4364,7 +4376,8 @@
         if (size != 24 || ((ptr[0] != 1 || ptr[1] != 0) && (ptr[0] != 2 || ptr[1] != 1))) {
             return NULL;
         }
-   } else if (!strcasecmp(mime, MEDIA_MIMETYPE_VIDEO_AV1)) {
+   } else if (!strcasecmp(mime, MEDIA_MIMETYPE_VIDEO_AV1)
+           || !strcasecmp(mime, MEDIA_MIMETYPE_IMAGE_AVIF)) {
         void *data;
         size_t size;
         if (!AMediaFormat_getBuffer(track->meta, AMEDIAFORMAT_KEY_CSD_0, &data, &size)) {
@@ -4376,6 +4389,9 @@
         if (size < 5 || ptr[0] != 0x81) {  // configurationVersion == 1
             return NULL;
         }
+        if (!strcasecmp(mime, MEDIA_MIMETYPE_IMAGE_AVIF)) {
+            itemTable = mItemTable;
+        }
     } else if (!strcasecmp(mime, MEDIA_MIMETYPE_VIDEO_VP9)) {
         void *data;
         size_t size;
@@ -4937,7 +4953,6 @@
       mStarted(false),
       mBuffer(NULL),
       mSrcBuffer(NULL),
-      mIsHeif(itemTable != NULL),
       mItemTable(itemTable),
       mElstShiftStartTicks(elstShiftStartTicks),
       mElstInitialEmptyEditTicks(elstInitialEmptyEditTicks) {
@@ -4972,6 +4987,8 @@
               !strcasecmp(mime, MEDIA_MIMETYPE_IMAGE_ANDROID_HEIC);
     mIsAC4 = !strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_AC4);
     mIsDolbyVision = !strcasecmp(mime, MEDIA_MIMETYPE_VIDEO_DOLBY_VISION);
+    mIsHeif = !strcasecmp(mime, MEDIA_MIMETYPE_IMAGE_ANDROID_HEIC) && mItemTable != NULL;
+    mIsAvif = !strcasecmp(mime, MEDIA_MIMETYPE_IMAGE_AVIF) && mItemTable != NULL;
 
     if (mIsAVC) {
         void *data;
@@ -5966,7 +5983,7 @@
 
     if (options && options->getSeekTo(&seekTimeUs, &mode)) {
         ALOGV("seekTimeUs:%" PRId64, seekTimeUs);
-        if (mIsHeif) {
+        if (mIsHeif || mIsAvif) {
             CHECK(mSampleTable == NULL);
             CHECK(mItemTable != NULL);
             int32_t imageIndex;
@@ -6111,7 +6128,7 @@
         newBuffer = true;
 
         status_t err;
-        if (!mIsHeif) {
+        if (!mIsHeif && !mIsAvif) {
             err = mSampleTable->getMetaDataForSample(mCurrentSampleIndex, &offset, &size,
                                                     (uint64_t*)&cts, &isSyncSample, &stts);
             if(err == OK) {
@@ -6750,7 +6767,8 @@
         || !memcmp(header, "ftypM4A ", 8) || !memcmp(header, "ftypf4v ", 8)
         || !memcmp(header, "ftypkddi", 8) || !memcmp(header, "ftypM4VP", 8)
         || !memcmp(header, "ftypmif1", 8) || !memcmp(header, "ftypheic", 8)
-        || !memcmp(header, "ftypmsf1", 8) || !memcmp(header, "ftyphevc", 8)) {
+        || !memcmp(header, "ftypmsf1", 8) || !memcmp(header, "ftyphevc", 8)
+        || !memcmp(header, "ftypavif", 8) || !memcmp(header, "ftypavis", 8)) {
         *confidence = 0.4;
 
         return true;
@@ -6786,6 +6804,8 @@
         FOURCC("heic"),  // HEIF image
         FOURCC("msf1"),  // HEIF image sequence
         FOURCC("hevc"),  // HEIF image sequence
+        FOURCC("avif"),  // AVIF image
+        FOURCC("avis"),  // AVIF image sequence
     };
 
     for (size_t i = 0;
diff --git a/media/extractors/mp4/MPEG4Extractor.h b/media/extractors/mp4/MPEG4Extractor.h
index bafc7f5..542a3e6 100644
--- a/media/extractors/mp4/MPEG4Extractor.h
+++ b/media/extractors/mp4/MPEG4Extractor.h
@@ -144,6 +144,7 @@
     bool mIsHeif;
     bool mHasMoovBox;
     bool mPreferHeif;
+    bool mIsAvif;
 
     Track *mFirstTrack, *mLastTrack;