Allow to disable buffer dropping from BufferQueueProducer am: 6ce715b696 (bf53a602) · Commits · e / os / android_frameworks_av

media/libstagefright/MediaCodec.cpp

+21 −8

Original line number	Diff line number	Diff line
		@@ -1110,12 +1110,10 @@ status_t MediaCodec::configure(
		reset();
		}
		if (!isResourceError(err)) {
		if (err == OK) {
		disableLegacyBufferDropPostQ(surface);
		}
		break;
		}
		}

		return err;
		}

		@@ -1178,11 +1176,7 @@ status_t MediaCodec::setSurface(const sp<Surface> &surface) {
		msg->setObject("surface", surface);

		sp<AMessage> response;
		status_t result = PostAndAwaitResponse(msg, &response);
		if (result == OK) {
		disableLegacyBufferDropPostQ(surface);
		}
		return result;
		return PostAndAwaitResponse(msg, &response);
		}

		status_t MediaCodec::createInputSurface(
		@@ -2005,6 +1999,13 @@ void MediaCodec::onMessageReceived(const sp<AMessage> &msg) {

		CHECK(msg->findMessage("input-format", &mInputFormat));
		CHECK(msg->findMessage("output-format", &mOutputFormat));

		// limit to confirming the opt-in behavior to minimize any behavioral change
		if (mSurface != nullptr && !mAllowFrameDroppingBySurface) {
		// signal frame dropping mode in the input format as this may also be
		// meaningful and confusing for an encoder in a transcoder scenario
		mInputFormat->setInt32("allow-frame-drop", mAllowFrameDroppingBySurface);
		}
		ALOGV("[%s] configured as input format: %s, output format: %s",
		mComponentName.c_str(),
		mInputFormat->debugString(4).c_str(),
		@@ -2437,6 +2438,11 @@ void MediaCodec::onMessageReceived(const sp<AMessage> &msg) {
		}

		if (obj != NULL) {
		if (!format->findInt32("allow-frame-drop", &mAllowFrameDroppingBySurface)) {
		// allow frame dropping by surface by default
		mAllowFrameDroppingBySurface = true;
		}

		format->setObject("native-window", obj);
		status_t err = handleSetSurface(static_cast<Surface *>(obj.get()));
		if (err != OK) {
		@@ -2444,6 +2450,9 @@ void MediaCodec::onMessageReceived(const sp<AMessage> &msg) {
		break;
		}
		} else {
		// we are not using surface so this variable is not used, but initialize sensibly anyway
		mAllowFrameDroppingBySurface = false;

		handleSetSurface(NULL);
		}

		@@ -3436,6 +3445,10 @@ status_t MediaCodec::connectToSurface(const sp<Surface> &surface) {

		if (err != OK) {
		ALOGE("nativeWindowConnect returned an error: %s (%d)", strerror(-err), err);
		} else {
		if (!mAllowFrameDroppingBySurface) {
		disableLegacyBufferDropPostQ(surface);
		}
		}
		}
		// do not return ALREADY_EXISTS unless surfaces are the same

media/libstagefright/include/media/stagefright/MediaCodec.h

+1 −0

Original line number	Diff line number	Diff line
		@@ -340,6 +340,7 @@ private:
		int32_t mVideoWidth;
		int32_t mVideoHeight;
		int32_t mRotationDegrees;
		int32_t mAllowFrameDroppingBySurface;

		// initial create parameters
		AString mInitName;