In "special" mode we now establish a UDP RTCP channel in addition to the

TCP RTP channel and provide feedback on the latency of arriving packets from
the sink back to the source. This information is then used to throttle
video bitrate.

Change-Id: Ic589a3cb65e4893a3ff67de947da6063d32a1c6e

1 files changed, 17 insertions, 0 deletions

diff --git a/media/libstagefright/wifi-display/source/Converter.cpp b/media/libstagefright/wifi-display/source/Converter.cpp
index bb8c387..d41e1e6 100644
--- a/media/libstagefright/wifi-display/source/Converter.cpp
+++ b/media/libstagefright/wifi-display/source/Converter.cpp
@@ -622,6 +622,7 @@ status_t Converter::feedEncoderInputBuffers() {
 }
 
 status_t Converter::doMoreWork() {
+#if 0
     if (mIsVideo) {
         int32_t videoBitrate = getBitrate("media.wfd.video-bitrate", 5000000);
         if (videoBitrate != mPrevVideoBitrate) {
@@ -633,6 +634,7 @@ status_t Converter::doMoreWork() {
             mPrevVideoBitrate = videoBitrate;
         }
     }
+#endif
 
     status_t err;
 
@@ -708,4 +710,19 @@ void Converter::dropAFrame() {
     (new AMessage(kWhatDropAFrame, id()))->post();
 }
 
+int32_t Converter::getVideoBitrate() const {
+    return mPrevVideoBitrate;
+}
+
+void Converter::setVideoBitrate(int32_t bitRate) {
+    if (mIsVideo && mEncoder != NULL && bitRate != mPrevVideoBitrate) {
+        sp<AMessage> params = new AMessage;
+        params->setInt32("videoBitrate", bitRate);
+
+        mEncoder->setParameters(params);
+
+        mPrevVideoBitrate = bitRate;
+    }
+}
+
 }  // namespace android