cc5cb1781c
Add a new state and required implementation in new overlay to support playback of two videos using overlay. Add a new class VideoPIP to handle the pip feature. Change-Id: Ibce7044bc1216cba77bd952e191aed5472ed6737
84 lines
2.9 KiB
C++
84 lines
2.9 KiB
C++
/*
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* Copyright (C) 2010 The Android Open Source Project
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* Copyright (C) 2012, Code Aurora Forum. All rights reserved.
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* Not a Contribution, Apache license notifications and license are retained
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* for attribution purposes only.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef HWC_PIP_H
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#define HWC_PIP_H
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#include "hwc_utils.h"
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#define LIKELY( exp ) (__builtin_expect( (exp) != 0, true ))
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#define UNLIKELY( exp ) (__builtin_expect( (exp) != 0, false ))
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namespace qhwc {
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//Feature for using overlay to display videos.
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class VideoPIP {
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public:
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//Sets up members and prepares overlay if conditions are met
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static bool prepare(hwc_context_t *ctx, hwc_layer_list_t *list);
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//Draws layer if this feature is on
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static bool draw(hwc_context_t *ctx, hwc_layer_list_t *list);
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//Receives data from hwc
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static void setStats(int yuvCount, int yuvLayerIndex, bool isYuvLayerSkip,
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int pipLayerIndex);
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//resets values
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static void reset();
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private:
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//Choose an appropriate overlay state based on conditions
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static void chooseState(hwc_context_t *ctx);
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//Configures overlay for video prim and ext
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static bool configure(hwc_context_t *ctx, hwc_layer_t *yuvlayer,
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hwc_layer_t *pipLayer);
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//Marks layer flags if this feature is used
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static void markFlags(hwc_layer_t *layer);
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//returns yuv count
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static int getYuvCount();
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//The chosen overlay state.
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static ovutils::eOverlayState sState;
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//Number of yuv layers in this drawing round
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static int sYuvCount;
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//Index of YUV layer, relevant only if count is 1
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static int sYuvLayerIndex;
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//Flags if a yuv layer is animating or below something that is animating
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static bool sIsYuvLayerSkip;
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//Holds the PIP layer index in case of two videos, -1 by default
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static int sPIPLayerIndex;
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//Flags if this feature is on.
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static bool sIsModeOn;
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};
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inline void VideoPIP::setStats(int yuvCount, int yuvLayerIndex,
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bool isYuvLayerSkip, int pipLayerIndex) {
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sYuvCount = yuvCount;
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sYuvLayerIndex = yuvLayerIndex;
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sIsYuvLayerSkip = isYuvLayerSkip;
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sPIPLayerIndex = pipLayerIndex;
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}
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inline int VideoPIP::getYuvCount() { return sYuvCount; }
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inline void VideoPIP::reset() {
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sYuvCount = 0;
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sYuvLayerIndex = -1;
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sIsYuvLayerSkip = false;
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sPIPLayerIndex = -1;
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sIsModeOn = false;
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sState = ovutils::OV_CLOSED;
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}
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}; //namespace qhwc
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#endif //HWC_PIP_H
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