From 72cecca17d735db6532c45f0a7e10c47ee6f065a Mon Sep 17 00:00:00 2001
From: Chong Zhang <chz@google.com>
Date: Thu, 26 Dec 2013 01:38:35 -0800
Subject: Change StagefrightRecorder to use MediaCodec

Bug: 12305192
Change-Id: I72d7cb571be5bd348b58ad650f3269d24c15d350
---
 media/libstagefright/omx/GraphicBufferSource.cpp | 22 +++++++++++++++++++++-
 media/libstagefright/omx/GraphicBufferSource.h   |  9 +++++++--
 media/libstagefright/omx/OMXNodeInstance.cpp     | 12 +++++++++++-
 3 files changed, 39 insertions(+), 4 deletions(-)

(limited to 'media/libstagefright/omx')

diff --git a/media/libstagefright/omx/GraphicBufferSource.cpp b/media/libstagefright/omx/GraphicBufferSource.cpp
index 20fa7ce..1e6de55 100644
--- a/media/libstagefright/omx/GraphicBufferSource.cpp
+++ b/media/libstagefright/omx/GraphicBufferSource.cpp
@@ -45,6 +45,7 @@ GraphicBufferSource::GraphicBufferSource(OMXNodeInstance* nodeInstance,
     mMaxTimestampGapUs(-1ll),
     mPrevOriginalTimeUs(-1ll),
     mPrevModifiedTimeUs(-1ll),
+    mSkipFramesBeforeNs(-1ll),
     mRepeatLastFrameGeneration(0),
     mRepeatLastFrameTimestamp(-1ll),
     mLatestSubmittedBufferId(-1),
@@ -414,7 +415,18 @@ bool GraphicBufferSource::fillCodecBuffer_l() {
         mBufferSlot[item.mBuf] = item.mGraphicBuffer;
     }
 
-    err = submitBuffer_l(item, cbi);
+    err = UNKNOWN_ERROR;
+
+    // only submit sample if start time is unspecified, or sample
+    // is queued after the specified start time
+    if (mSkipFramesBeforeNs < 0ll || item.mTimestamp >= mSkipFramesBeforeNs) {
+        // if start time is set, offset time stamp by start time
+        if (mSkipFramesBeforeNs > 0) {
+            item.mTimestamp -= mSkipFramesBeforeNs;
+        }
+        err = submitBuffer_l(item, cbi);
+    }
+
     if (err != OK) {
         ALOGV("submitBuffer_l failed, releasing bq buf %d", item.mBuf);
         mBufferQueue->releaseBuffer(item.mBuf, item.mFrameNumber,
@@ -762,6 +774,14 @@ status_t GraphicBufferSource::setMaxTimestampGapUs(int64_t maxGapUs) {
 
     return OK;
 }
+
+void GraphicBufferSource::setSkipFramesBeforeUs(int64_t skipFramesBeforeUs) {
+    Mutex::Autolock autoLock(mMutex);
+
+    mSkipFramesBeforeNs =
+            (skipFramesBeforeUs > 0) ? (skipFramesBeforeUs * 1000) : -1ll;
+}
+
 void GraphicBufferSource::onMessageReceived(const sp<AMessage> &msg) {
     switch (msg->what()) {
         case kWhatRepeatLastFrame:
diff --git a/media/libstagefright/omx/GraphicBufferSource.h b/media/libstagefright/omx/GraphicBufferSource.h
index 3b0e454..153f2a0 100644
--- a/media/libstagefright/omx/GraphicBufferSource.h
+++ b/media/libstagefright/omx/GraphicBufferSource.h
@@ -118,6 +118,10 @@ public:
     // of suspension on input.
     status_t setMaxTimestampGapUs(int64_t maxGapUs);
 
+    // Sets the start time us (in system time), samples before which should
+    // be dropped and not submitted to encoder
+    void setSkipFramesBeforeUs(int64_t startTimeUs);
+
 protected:
     // BufferQueue::ConsumerListener interface, called when a new frame of
     // data is available.  If we're executing and a codec buffer is
@@ -223,16 +227,17 @@ private:
     enum {
         kRepeatLastFrameCount = 10,
     };
-    int64_t mRepeatAfterUs;
-    int64_t mMaxTimestampGapUs;
 
     KeyedVector<int64_t, int64_t> mOriginalTimeUs;
+    int64_t mMaxTimestampGapUs;
     int64_t mPrevOriginalTimeUs;
     int64_t mPrevModifiedTimeUs;
+    int64_t mSkipFramesBeforeNs;
 
     sp<ALooper> mLooper;
     sp<AHandlerReflector<GraphicBufferSource> > mReflector;
 
+    int64_t mRepeatAfterUs;
     int32_t mRepeatLastFrameGeneration;
     int64_t mRepeatLastFrameTimestamp;
     int32_t mRepeatLastFrameCount;
diff --git a/media/libstagefright/omx/OMXNodeInstance.cpp b/media/libstagefright/omx/OMXNodeInstance.cpp
index 6c5c857..dba522f 100644
--- a/media/libstagefright/omx/OMXNodeInstance.cpp
+++ b/media/libstagefright/omx/OMXNodeInstance.cpp
@@ -850,6 +850,7 @@ status_t OMXNodeInstance::setInternalOption(
         case IOMX::INTERNAL_OPTION_SUSPEND:
         case IOMX::INTERNAL_OPTION_REPEAT_PREVIOUS_FRAME_DELAY:
         case IOMX::INTERNAL_OPTION_MAX_TIMESTAMP_GAP:
+        case IOMX::INTERNAL_OPTION_START_TIME:
         {
             const sp<GraphicBufferSource> &bufferSource =
                 getGraphicBufferSource();
@@ -874,7 +875,8 @@ status_t OMXNodeInstance::setInternalOption(
                 int64_t delayUs = *(int64_t *)data;
 
                 return bufferSource->setRepeatPreviousFrameDelayUs(delayUs);
-            } else {
+            } else if (type ==
+                    IOMX::INTERNAL_OPTION_MAX_TIMESTAMP_GAP){
                 if (size != sizeof(int64_t)) {
                     return INVALID_OPERATION;
                 }
@@ -882,6 +884,14 @@ status_t OMXNodeInstance::setInternalOption(
                 int64_t maxGapUs = *(int64_t *)data;
 
                 return bufferSource->setMaxTimestampGapUs(maxGapUs);
+            } else { // IOMX::INTERNAL_OPTION_START_TIME
+                if (size != sizeof(int64_t)) {
+                    return INVALID_OPERATION;
+                }
+
+                int64_t skipFramesBeforeUs = *(int64_t *)data;
+
+                bufferSource->setSkipFramesBeforeUs(skipFramesBeforeUs);
             }
 
             return OK;
-- 
cgit v1.1