diff --git a/media/libstagefright/include/media/stagefright/MediaCodecConstants.h b/media/libstagefright/include/media/stagefright/MediaCodecConstants.h
index d3ced29..619cb44 100644
--- a/media/libstagefright/include/media/stagefright/MediaCodecConstants.h
+++ b/media/libstagefright/include/media/stagefright/MediaCodecConstants.h
@@ -753,7 +753,7 @@
 constexpr char KEY_CA_SYSTEM_ID[] = "ca-system-id";
 constexpr char KEY_CA_PRIVATE_DATA[] = "ca-private-data";
 constexpr char KEY_CAPTURE_RATE[] = "capture-rate";
-constexpr char KEY_CHANNEL_COUNT[] = "channel-count";
+constexpr char KEY_CHANNEL_COUNT[] = "channel-count";   // value N, eq to range 1..N
 constexpr char KEY_CHANNEL_MASK[] = "channel-mask";
 constexpr char KEY_COLOR_FORMAT[] = "color-format";
 constexpr char KEY_COLOR_RANGE[] = "color-range";
@@ -808,6 +808,14 @@
 constexpr char KEY_TILE_HEIGHT[] = "tile-height";
 constexpr char KEY_TILE_WIDTH[] = "tile-width";
 constexpr char KEY_TRACK_ID[] = "track-id";
+constexpr char KEY_VIDEO_QP_B_MAX[] = "video-qp-b-max";
+constexpr char KEY_VIDEO_QP_B_MIN[] = "video-qp-b-min";
+constexpr char KEY_VIDEO_QP_I_MAX[] = "video-qp-i-max";
+constexpr char KEY_VIDEO_QP_I_MIN[] = "video-qp-i-min";
+constexpr char KEY_VIDEO_QP_MAX[] = "video-qp-max";
+constexpr char KEY_VIDEO_QP_MIN[] = "video-qp-min";
+constexpr char KEY_VIDEO_QP_P_MAX[] = "video-qp-p-max";
+constexpr char KEY_VIDEO_QP_P_MIN[] = "video-qp-p-min";
 constexpr char KEY_WIDTH[] = "width";
 
 // from MediaCodec.java
diff --git a/media/ndk/Android.bp b/media/ndk/Android.bp
index 8172334..3007574 100644
--- a/media/ndk/Android.bp
+++ b/media/ndk/Android.bp
@@ -276,5 +276,9 @@
         },
     },
 
-    apex_available: ["com.android.media"],
+    apex_available: [
+        "//apex_available:platform",
+        "com.android.media",
+        "com.android.media.swcodec",
+    ],
 }
diff --git a/media/ndk/NdkMediaFormat.cpp b/media/ndk/NdkMediaFormat.cpp
index 8e673ca..1773023 100644
--- a/media/ndk/NdkMediaFormat.cpp
+++ b/media/ndk/NdkMediaFormat.cpp
@@ -383,6 +383,14 @@
 EXPORT const char* AMEDIAFORMAT_KEY_TRACK_ID = "track-id";
 EXPORT const char* AMEDIAFORMAT_KEY_TRACK_INDEX = "track-index";
 EXPORT const char* AMEDIAFORMAT_KEY_VALID_SAMPLES = "valid-samples";
+EXPORT const char* AMEDIAFORMAT_VIDEO_QP_B_MAX = "video-qp-b-max";
+EXPORT const char* AMEDIAFORMAT_VIDEO_QP_B_MIN = "video-qp-b-min";
+EXPORT const char* AMEDIAFORMAT_VIDEO_QP_I_MAX = "video-qp-i-max";
+EXPORT const char* AMEDIAFORMAT_VIDEO_QP_I_MIN = "video-qp-i-min";
+EXPORT const char* AMEDIAFORMAT_VIDEO_QP_MAX = "video-qp-max";
+EXPORT const char* AMEDIAFORMAT_VIDEO_QP_MIN = "video-qp-min";
+EXPORT const char* AMEDIAFORMAT_VIDEO_QP_P_MAX = "video-qp-p-max";
+EXPORT const char* AMEDIAFORMAT_VIDEO_QP_P_MIN = "video-qp-p-min";
 EXPORT const char* AMEDIAFORMAT_KEY_WIDTH = "width";
 EXPORT const char* AMEDIAFORMAT_KEY_XMP_OFFSET = "xmp-offset";
 EXPORT const char* AMEDIAFORMAT_KEY_XMP_SIZE = "xmp-size";
diff --git a/media/ndk/include/media/NdkMediaFormat.h b/media/ndk/include/media/NdkMediaFormat.h
index eb6d510..476bbd9 100644
--- a/media/ndk/include/media/NdkMediaFormat.h
+++ b/media/ndk/include/media/NdkMediaFormat.h
@@ -308,6 +308,15 @@
 extern const char* AMEDIAFORMAT_KEY_XMP_OFFSET __INTRODUCED_IN(31);
 extern const char* AMEDIAFORMAT_KEY_XMP_SIZE __INTRODUCED_IN(31);
 
+extern const char* AMEDIAFORMAT_VIDEO_QP_B_MAX __INTRODUCED_IN(31);
+extern const char* AMEDIAFORMAT_VIDEO_QP_B_MIN __INTRODUCED_IN(31);
+extern const char* AMEDIAFORMAT_VIDEO_QP_I_MAX __INTRODUCED_IN(31);
+extern const char* AMEDIAFORMAT_VIDEO_QP_I_MIN __INTRODUCED_IN(31);
+extern const char* AMEDIAFORMAT_VIDEO_QP_MAX __INTRODUCED_IN(31);
+extern const char* AMEDIAFORMAT_VIDEO_QP_MIN __INTRODUCED_IN(31);
+extern const char* AMEDIAFORMAT_VIDEO_QP_P_MAX __INTRODUCED_IN(31);
+extern const char* AMEDIAFORMAT_VIDEO_QP_P_MIN __INTRODUCED_IN(31);
+
 __END_DECLS
 
 #endif // _NDK_MEDIA_FORMAT_H