libstagefright: handle MediaFormat "priority" key.

Bug: 19620911
Change-Id: I73675c7cc3d742b9a1a98d6c0f48dcf17557e2ad

1 files changed, 21 insertions, 0 deletions

diff --git a/media/libstagefright/ACodec.cpp b/media/libstagefright/ACodec.cpp
index c75d4df..31e10ce 100644
--- a/media/libstagefright/ACodec.cpp
+++ b/media/libstagefright/ACodec.cpp
@@ -1676,6 +1676,11 @@ status_t ACodec::configureCodec(
         err = setMinBufferSize(kPortIndexInput, 8192);  // XXX
     }
 
+    int32_t priority;
+    if (msg->findInt32("priority", &priority)) {
+        err = setPriority(priority);
+    }
+
     mBaseOutputFormat = outputFormat;
 
     CHECK_EQ(getPortFormat(kPortIndexInput, inputFormat), (status_t)OK);
@@ -1686,6 +1691,22 @@ status_t ACodec::configureCodec(
     return err;
 }
 
+status_t ACodec::setPriority(int32_t priority) {
+    if (priority < 0) {
+        return BAD_VALUE;
+    }
+    OMX_PARAM_U32TYPE config;
+    InitOMXParams(&config);
+    config.nU32 = (OMX_U32)priority;
+    status_t temp = mOMX->setConfig(
+            mNode, (OMX_INDEXTYPE)OMX_IndexConfigPriority,
+            &config, sizeof(config));
+    if (temp != OK) {
+        ALOGI("codec does not support config priority (err %d)", temp);
+    }
+    return OK;
+}
+
 status_t ACodec::setMinBufferSize(OMX_U32 portIndex, size_t size) {
     OMX_PARAM_PORTDEFINITIONTYPE def;
     InitOMXParams(&def);