From dcd760385776f0e4176cf763c8042d56af7e4503 Mon Sep 17 00:00:00 2001
From: Shivaprasad Hongal <shongal@codeaurora.org>
Date: Mon, 26 Oct 2015 19:05:35 -0700
Subject: Stagefright: use set buffers mode.

Use set buffers mode if parser supports it.

Change-Id: Ia3d12f15fa28f25e1ccb724158cc91ce26fc81ed
---
 .../nuplayer/GenericSource.cpp                     | 22 ++++++++++++++++------
 .../libmediaplayerservice/nuplayer/GenericSource.h |  1 +
 media/libmediaplayerservice/nuplayer/NuPlayer.cpp  |  3 ++-
 .../nuplayer/NuPlayerSource.h                      |  1 +
 4 files changed, 20 insertions(+), 7 deletions(-)

(limited to 'media/libmediaplayerservice/nuplayer')

diff --git a/media/libmediaplayerservice/nuplayer/GenericSource.cpp b/media/libmediaplayerservice/nuplayer/GenericSource.cpp
index 6957a90..efdf096 100644
--- a/media/libmediaplayerservice/nuplayer/GenericSource.cpp
+++ b/media/libmediaplayerservice/nuplayer/GenericSource.cpp
@@ -37,6 +37,7 @@
 #include "../../libstagefright/include/NuCachedSource2.h"
 #include "../../libstagefright/include/WVMExtractor.h"
 #include "../../libstagefright/include/HTTPBase.h"
+#include "mediaplayerservice/AVNuExtensions.h"
 
 namespace android {
 
@@ -60,6 +61,7 @@ NuPlayer::GenericSource::GenericSource(
       mAudioIsVorbis(false),
       mIsWidevine(false),
       mIsSecure(false),
+      mUseSetBuffers(false),
       mIsStreaming(false),
       mUIDValid(uidValid),
       mUID(uid),
@@ -172,7 +174,8 @@ status_t NuPlayer::GenericSource::initFromDataSource() {
         extractor = mWVMExtractor;
     } else {
         extractor = MediaExtractor::Create(mDataSource,
-                mimeType.isEmpty() ? NULL : mimeType.string());
+                mimeType.isEmpty() ? NULL : mimeType.string(),
+                mIsStreaming ? 0 : AVNuUtils::get()->getUseSetBuffersFlag());
     }
 
     if (extractor == NULL) {
@@ -202,6 +205,11 @@ status_t NuPlayer::GenericSource::initFromDataSource() {
         }
     }
 
+    if (AVNuUtils::get()->canUseSetBuffers(mFileMeta)) {
+        mUseSetBuffers = true;
+        ALOGI("setBuffers mode enabled");
+    }
+
     int32_t totalBitrate = 0;
 
     size_t numtracks = extractor->countTracks();
@@ -318,7 +326,7 @@ int64_t NuPlayer::GenericSource::getLastReadPosition() {
 
 status_t NuPlayer::GenericSource::setBuffers(
         bool audio, Vector<MediaBuffer *> &buffers) {
-    if (mIsSecure && !audio) {
+    if ((mIsSecure || mUseSetBuffers) && !audio) {
         return mVideoTrack.mSource->setBuffers(buffers);
     }
     return INVALID_OPERATION;
@@ -428,7 +436,8 @@ void NuPlayer::GenericSource::onPrepareAsync() {
             | FLAG_CAN_PAUSE
             | FLAG_CAN_SEEK_BACKWARD
             | FLAG_CAN_SEEK_FORWARD
-            | FLAG_CAN_SEEK);
+            | FLAG_CAN_SEEK
+            | (mUseSetBuffers ? FLAG_USE_SET_BUFFERS : 0));
 
     if (mIsSecure) {
         // secure decoders must be instantiated before starting widevine source
@@ -1008,7 +1017,8 @@ status_t NuPlayer::GenericSource::dequeueAccessUnit(
 
     // start pulling in more buffers if we only have one (or no) buffer left
     // so that decoder has less chance of being starved
-    if (track->mPackets->getAvailableBufferCount(&finalResult) < 2) {
+    if ((track->mPackets->getAvailableBufferCount(&finalResult) < 2)
+        && !mUseSetBuffers) {
         postReadBuffer(audio? MEDIA_TRACK_TYPE_AUDIO : MEDIA_TRACK_TYPE_VIDEO);
     }
 
@@ -1352,7 +1362,7 @@ sp<ABuffer> NuPlayer::GenericSource::mediaBufferToABuffer(
     }
 
     sp<ABuffer> ab;
-    if (mIsSecure && !audio) {
+    if ((mIsSecure || mUseSetBuffers) && !audio) {
         // data is already provided in the buffer
         ab = new ABuffer(NULL, mb->range_length());
         mb->add_ref();
@@ -1503,7 +1513,7 @@ void NuPlayer::GenericSource::readBuffer(
         track->mPackets->clear();
     }
 
-    if (mIsWidevine) {
+    if (mIsWidevine || mUseSetBuffers) {
         options.setNonBlocking();
     }
 
diff --git a/media/libmediaplayerservice/nuplayer/GenericSource.h b/media/libmediaplayerservice/nuplayer/GenericSource.h
index 0181947..ebc1fdc 100644
--- a/media/libmediaplayerservice/nuplayer/GenericSource.h
+++ b/media/libmediaplayerservice/nuplayer/GenericSource.h
@@ -126,6 +126,7 @@ protected:
     bool mAudioIsVorbis;
     bool mIsWidevine;
     bool mIsSecure;
+    bool mUseSetBuffers;
     bool mIsStreaming;
     bool mUIDValid;
     uid_t mUID;
diff --git a/media/libmediaplayerservice/nuplayer/NuPlayer.cpp b/media/libmediaplayerservice/nuplayer/NuPlayer.cpp
index 1186149..ec1ab79 100644
--- a/media/libmediaplayerservice/nuplayer/NuPlayer.cpp
+++ b/media/libmediaplayerservice/nuplayer/NuPlayer.cpp
@@ -1605,7 +1605,8 @@ status_t NuPlayer::instantiateDecoder(bool audio, sp<DecoderBase> *decoder) {
     (*decoder)->configure(format);
 
     // allocate buffers to decrypt widevine source buffers
-    if (!audio && (mSourceFlags & Source::FLAG_SECURE)) {
+    if (!audio && ((mSourceFlags & Source::FLAG_SECURE) ||
+                   (mSourceFlags & Source::FLAG_USE_SET_BUFFERS))) {
         Vector<sp<ABuffer> > inputBufs;
         CHECK_EQ((*decoder)->getInputBuffers(&inputBufs), (status_t)OK);
 
diff --git a/media/libmediaplayerservice/nuplayer/NuPlayerSource.h b/media/libmediaplayerservice/nuplayer/NuPlayerSource.h
index 9ee6c7b..b248316 100644
--- a/media/libmediaplayerservice/nuplayer/NuPlayerSource.h
+++ b/media/libmediaplayerservice/nuplayer/NuPlayerSource.h
@@ -39,6 +39,7 @@ struct NuPlayer::Source : public AHandler {
         FLAG_DYNAMIC_DURATION   = 16,
         FLAG_SECURE             = 32,
         FLAG_PROTECTED          = 64,
+        FLAG_USE_SET_BUFFERS    = 128,
     };
 
     enum {
-- 
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