Acodec: Send framerate information to OMX decoder if available

Bug: 19110889
Change-Id: Ia8dbe1b77aaac421ec9415884e1248b9b68168dc
diff --git a/include/media/stagefright/ACodec.h b/include/media/stagefright/ACodec.h
index 371e2c8..8509d55 100644
--- a/include/media/stagefright/ACodec.h
+++ b/include/media/stagefright/ACodec.h
@@ -264,7 +264,7 @@
     status_t setVideoFormatOnPort(
             OMX_U32 portIndex,
             int32_t width, int32_t height,
-            OMX_VIDEO_CODINGTYPE compressionFormat);
+            OMX_VIDEO_CODINGTYPE compressionFormat, float frameRate = -1.0);
 
     typedef struct drcParams {
         int32_t drcCut;
diff --git a/media/libstagefright/ACodec.cpp b/media/libstagefright/ACodec.cpp
index 87606a5..9b9153b 100644
--- a/media/libstagefright/ACodec.cpp
+++ b/media/libstagefright/ACodec.cpp
@@ -2224,8 +2224,17 @@
         return err;
     }
 
+    int32_t frameRateInt;
+    float frameRateFloat;
+    if (!msg->findFloat("frame-rate", &frameRateFloat)) {
+        if (!msg->findInt32("frame-rate", &frameRateInt)) {
+            frameRateInt = -1;
+        }
+        frameRateFloat = (float)frameRateInt;
+    }
+
     err = setVideoFormatOnPort(
-            kPortIndexInput, width, height, compressionFormat);
+            kPortIndexInput, width, height, compressionFormat, frameRateFloat);
 
     if (err != OK) {
         return err;
@@ -2989,7 +2998,8 @@
 
 status_t ACodec::setVideoFormatOnPort(
         OMX_U32 portIndex,
-        int32_t width, int32_t height, OMX_VIDEO_CODINGTYPE compressionFormat) {
+        int32_t width, int32_t height, OMX_VIDEO_CODINGTYPE compressionFormat,
+        float frameRate) {
     OMX_PARAM_PORTDEFINITIONTYPE def;
     InitOMXParams(&def);
     def.nPortIndex = portIndex;
@@ -3017,6 +3027,9 @@
     if (portIndex == kPortIndexInput) {
         video_def->eCompressionFormat = compressionFormat;
         video_def->eColorFormat = OMX_COLOR_FormatUnused;
+        if (frameRate >= 0) {
+            video_def->xFramerate = (OMX_U32)(frameRate * 65536.0f);
+        }
     }
 
     err = mOMX->setParameter(