diff --git a/media/extractors/mp4/MPEG4Extractor.cpp b/media/extractors/mp4/MPEG4Extractor.cpp
old mode 100755
new mode 100644
index 86ed610..92c48f6
--- a/media/extractors/mp4/MPEG4Extractor.cpp
+++ b/media/extractors/mp4/MPEG4Extractor.cpp
@@ -351,6 +351,8 @@
             return MEDIA_MIMETYPE_AUDIO_FLAC;
         case FOURCC("av01"):
             return MEDIA_MIMETYPE_VIDEO_AV1;
+        case FOURCC("vp09"):
+            return MEDIA_MIMETYPE_VIDEO_VP9;
         case FOURCC(".mp3"):
         case 0x6D730055: // "ms U" mp3 audio
             return MEDIA_MIMETYPE_AUDIO_MPEG;
@@ -1849,6 +1851,7 @@
         case FOURCC("hvc1"):
         case FOURCC("hev1"):
         case FOURCC("av01"):
+        case FOURCC("vp09"):
         {
             uint8_t buffer[78];
             if (chunk_data_size < (ssize_t)sizeof(buffer)) {
@@ -2310,6 +2313,8 @@
             *offset += chunk_size;
             break;
         }
+
+        case FOURCC("vpcC"):
         case FOURCC("av1C"):
         {
             auto buffer = heapbuffer<uint8_t>(chunk_data_size);
@@ -4157,6 +4162,18 @@
         if (size < 5 || ptr[0] != 0x81) {  // configurationVersion == 1
             return NULL;
         }
+    } else if (!strcasecmp(mime, MEDIA_MIMETYPE_VIDEO_VP9)) {
+        void *data;
+        size_t size;
+        if (!AMediaFormat_getBuffer(track->meta, AMEDIAFORMAT_KEY_CSD_0, &data, &size)) {
+            return NULL;
+        }
+
+        const uint8_t *ptr = (const uint8_t *)data;
+
+        if (size < 5 || ptr[0] != 0x01) {  // configurationVersion == 1
+            return NULL;
+        }
     }
 
     if (track->has_elst and !strncasecmp("video/", mime, 6) and track->elst_media_time > 0) {
@@ -4194,6 +4211,10 @@
         if (!AMediaFormat_getBuffer(track->meta, AMEDIAFORMAT_KEY_CSD_0, &data, &size)) {
             return ERROR_MALFORMED;
         }
+    } else if (!strcasecmp(mime, MEDIA_MIMETYPE_VIDEO_VP9)) {
+        if (!AMediaFormat_getBuffer(track->meta, AMEDIAFORMAT_KEY_CSD_0, &data, &size)) {
+            return ERROR_MALFORMED;
+        }
     } else if (!strcasecmp(mime, MEDIA_MIMETYPE_VIDEO_MPEG4)
             || !strcasecmp(mime, MEDIA_MIMETYPE_VIDEO_MPEG2)
             || !strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_AAC)) {
@@ -6359,6 +6380,7 @@
         FOURCC("hvc1"),
         FOURCC("hev1"),
         FOURCC("av01"),
+        FOURCC("vp09"),
         FOURCC("3gp4"),
         FOURCC("mp41"),
         FOURCC("mp42"),