720p24 i-frames every 2 secs.

related-to-bug: 7239971

Change-Id: I4cbf7e9b878b180b0683656e9e8c0a6bb18e06dc
diff --git a/media/libstagefright/wifi-display/source/Converter.cpp b/media/libstagefright/wifi-display/source/Converter.cpp
index a979a42..d2158b3 100644
--- a/media/libstagefright/wifi-display/source/Converter.cpp
+++ b/media/libstagefright/wifi-display/source/Converter.cpp
@@ -124,8 +124,8 @@
         mOutputFormat->setInt32("bitrate", audioBitrate);
     } else {
         mOutputFormat->setInt32("bitrate", videoBitrate);
-        mOutputFormat->setInt32("frame-rate", 30);
-        mOutputFormat->setInt32("i-frame-interval", 3);  // Iframes every 3 secs
+        mOutputFormat->setInt32("frame-rate", 24);
+        mOutputFormat->setInt32("i-frame-interval", 2);  // Iframes every 2 secs
     }
 
     ALOGV("output format is '%s'", mOutputFormat->debugString(0).c_str());
diff --git a/media/libstagefright/wifi-display/source/PlaybackSession.cpp b/media/libstagefright/wifi-display/source/PlaybackSession.cpp
index 72e6313..76a47ec 100644
--- a/media/libstagefright/wifi-display/source/PlaybackSession.cpp
+++ b/media/libstagefright/wifi-display/source/PlaybackSession.cpp
@@ -863,7 +863,7 @@
     sp<SurfaceMediaSource> source = new SurfaceMediaSource(width(), height());
 
     sp<MediaSource> videoSource =
-            new RepeaterSource(source, 30.0 /* rateHz */);
+            new RepeaterSource(source, 24.0 /* rateHz */);
 
     size_t numInputBuffers;
     status_t err = addSource(true /* isVideo */, videoSource, &numInputBuffers);
diff --git a/media/libstagefright/wifi-display/source/WifiDisplaySource.cpp b/media/libstagefright/wifi-display/source/WifiDisplaySource.cpp
index daa70f6..b9139c9 100644
--- a/media/libstagefright/wifi-display/source/WifiDisplaySource.cpp
+++ b/media/libstagefright/wifi-display/source/WifiDisplaySource.cpp
@@ -471,9 +471,11 @@
     //   use "30 00 02 02 00000040 00000000 00000000 00 0000 0000 00 none none\r\n"
     // For 720p30:
     //   use "28 00 02 02 00000020 00000000 00000000 00 0000 0000 00 none none\r\n"
+    // For 720p24:
+    //   use "78 00 02 02 00008000 00000000 00000000 00 0000 0000 00 none none\r\n"
     AString body = StringPrintf(
         "wfd_video_formats: "
-        "28 00 02 02 00000020 00000000 00000000 00 0000 0000 00 none none\r\n"
+        "78 00 02 02 00008000 00000000 00000000 00 0000 0000 00 none none\r\n"
         "wfd_audio_codecs: AAC 00000001 00\r\n"  // 2 ch AAC 48kHz
         "wfd_presentation_URL: rtsp://%s:%d/wfd1.0/streamid=0 none\r\n"
         "wfd_client_rtp_ports: RTP/AVP/%s;unicast 19000 0 mode=play\r\n",