From 512e979284de984427e5b2f73b9054ae1b5e2b0a Mon Sep 17 00:00:00 2001
From: Lajos Molnar <lajos@google.com>
Date: Fri, 10 Oct 2014 17:14:17 -0700
Subject: stagefright: support passing GraphicBuffer in metadata buffer

Bug: 17935149
Change-Id: I6bb5dd654e498a7153410afc052c2c8f7f35e44d
---
 media/libstagefright/omx/OMXNodeInstance.cpp | 35 +++++++++++++++++++++++-----
 1 file changed, 29 insertions(+), 6 deletions(-)

(limited to 'media/libstagefright/omx/OMXNodeInstance.cpp')

diff --git a/media/libstagefright/omx/OMXNodeInstance.cpp b/media/libstagefright/omx/OMXNodeInstance.cpp
index efb27f5..d07ec14 100644
--- a/media/libstagefright/omx/OMXNodeInstance.cpp
+++ b/media/libstagefright/omx/OMXNodeInstance.cpp
@@ -393,20 +393,39 @@ status_t OMXNodeInstance::storeMetaDataInBuffers(
         OMX_U32 portIndex,
         OMX_BOOL enable) {
     Mutex::Autolock autolock(mLock);
-    return storeMetaDataInBuffers_l(portIndex, enable);
+    return storeMetaDataInBuffers_l(
+            portIndex, enable,
+            OMX_FALSE /* useGraphicBuffer */, NULL /* usingGraphicBufferInMetadata */);
 }
 
 status_t OMXNodeInstance::storeMetaDataInBuffers_l(
         OMX_U32 portIndex,
-        OMX_BOOL enable) {
+        OMX_BOOL enable,
+        OMX_BOOL useGraphicBuffer,
+        OMX_BOOL *usingGraphicBufferInMetadata) {
     OMX_INDEXTYPE index;
     OMX_STRING name = const_cast<OMX_STRING>(
             "OMX.google.android.index.storeMetaDataInBuffers");
 
-    OMX_ERRORTYPE err = OMX_GetExtensionIndex(mHandle, name, &index);
+    OMX_STRING graphicBufferName = const_cast<OMX_STRING>(
+            "OMX.google.android.index.storeGraphicBufferInMetaData");
+    if (usingGraphicBufferInMetadata == NULL) {
+        usingGraphicBufferInMetadata = &useGraphicBuffer;
+    }
+
+    OMX_ERRORTYPE err =
+        (useGraphicBuffer && portIndex == kPortIndexInput)
+                ? OMX_GetExtensionIndex(mHandle, graphicBufferName, &index)
+                : OMX_ErrorBadParameter;
+    if (err == OMX_ErrorNone) {
+        *usingGraphicBufferInMetadata = OMX_TRUE;
+    } else {
+        *usingGraphicBufferInMetadata = OMX_FALSE;
+        err = OMX_GetExtensionIndex(mHandle, name, &index);
+    }
+
     if (err != OMX_ErrorNone) {
         ALOGE("OMX_GetExtensionIndex %s failed", name);
-
         return StatusFromOMXError(err);
     }
 
@@ -421,6 +440,7 @@ status_t OMXNodeInstance::storeMetaDataInBuffers_l(
     params.bStoreMetaData = enable;
     if ((err = OMX_SetParameter(mHandle, index, &params)) != OMX_ErrorNone) {
         ALOGE("OMX_SetParameter() failed for StoreMetaDataInBuffers: 0x%08x", err);
+        *usingGraphicBufferInMetadata = OMX_FALSE;
         return UNKNOWN_ERROR;
     }
     return err;
@@ -683,7 +703,10 @@ status_t OMXNodeInstance::createInputSurface(
     }
 
     // Input buffers will hold meta-data (gralloc references).
-    err = storeMetaDataInBuffers_l(portIndex, OMX_TRUE);
+    OMX_BOOL usingGraphicBuffer = OMX_FALSE;
+    err = storeMetaDataInBuffers_l(
+            portIndex, OMX_TRUE,
+            OMX_TRUE /* useGraphicBuffer */, &usingGraphicBuffer);
     if (err != OK) {
         return err;
     }
@@ -709,7 +732,7 @@ status_t OMXNodeInstance::createInputSurface(
 
     GraphicBufferSource* bufferSource = new GraphicBufferSource(
             this, def.format.video.nFrameWidth, def.format.video.nFrameHeight,
-            def.nBufferCountActual);
+            def.nBufferCountActual, usingGraphicBuffer);
     if ((err = bufferSource->initCheck()) != OK) {
         delete bufferSource;
         return err;
-- 
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