From 6a399a153e98d86a58cd09c4e2ac9ce3e7a7dfbc Mon Sep 17 00:00:00 2001
From: Praveen Chavan <pchavan@codeaurora.org>
Date: Mon, 16 Mar 2015 09:32:29 -0700
Subject: StagefrightRecorder: force 64-bit file-offsets for files > 4GB

Enable recording files larger than 4GB by forcing 64-bit file-offsets
in the writer, if application indicates max-file-size greater than 4GB.

Change-Id: Id1af5bdf3543af156e6d3d80be2e00c7df3b4134
CRs-Fixed: 807377
---
 media/libmediaplayerservice/StagefrightRecorder.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'media/libmediaplayerservice/StagefrightRecorder.cpp')

diff --git a/media/libmediaplayerservice/StagefrightRecorder.cpp b/media/libmediaplayerservice/StagefrightRecorder.cpp
index 9e7879a..872292b 100644
--- a/media/libmediaplayerservice/StagefrightRecorder.cpp
+++ b/media/libmediaplayerservice/StagefrightRecorder.cpp
@@ -59,6 +59,8 @@
 
 namespace android {
 
+static const int64_t kMax32BitFileSize = 0x00ffffffffLL; // 4GB
+
 // To collect the encoder usage for the battery app
 static void addBatteryData(uint32_t params) {
     sp<IBinder> binder =
@@ -453,6 +455,10 @@ status_t StagefrightRecorder::setParamMaxFileSizeBytes(int64_t bytes) {
     }
 
     mMaxFileSizeBytes = bytes;
+
+    // If requested size is >4GB, force 64-bit offsets
+    mUse64BitFileOffset |= (bytes >= kMax32BitFileSize);
+
     return OK;
 }
 
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