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/*
* Copyright 2011 The Android Open Source Project
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#define LOG_TAG "VideoLayerAndroid"
#define LOG_NDEBUG 1
#include "config.h"
#include "VideoLayerAndroid.h"
#include "AndroidLog.h"
#include "DrawQuadData.h"
#include "ShaderProgram.h"
#include "TilesManager.h"
#include <GLES2/gl2.h>
#include <gui/SurfaceTexture.h>
#if USE(ACCELERATED_COMPOSITING)
namespace WebCore {
double VideoLayerAndroid::m_rotateDegree = 0;
VideoLayerAndroid::VideoLayerAndroid()
: LayerAndroid((RenderLayer*)0)
{
init();
}
VideoLayerAndroid::VideoLayerAndroid(const VideoLayerAndroid& layer)
: LayerAndroid(layer)
{
init();
}
void VideoLayerAndroid::init()
{
// m_surfaceTexture is only useful on UI thread, no need to copy.
// And it will be set at setBaseLayer timeframe
m_playerState = INITIALIZED;
}
// We can use this function to set the Layer to point to surface texture.
void VideoLayerAndroid::setSurfaceTexture(sp<SurfaceTexture> texture,
int textureName, PlayerState playerState)
{
m_surfaceTexture = texture;
m_playerState = playerState;
TilesManager::instance()->videoLayerManager()->registerTexture(uniqueId(), textureName);
}
void VideoLayerAndroid::showPreparingAnimation(const SkRect& rect,
const SkRect innerRect)
{
ShaderProgram* shader = TilesManager::instance()->shader();
VideoLayerManager* manager = TilesManager::instance()->videoLayerManager();
// Paint the video content's background.
PureColorQuadData backGroundQuadData(Color(128, 128, 128, 255), LayerQuad,
&m_drawTransform, &rect);
shader->drawQuad(&backGroundQuadData);
TransformationMatrix addReverseRotation;
TransformationMatrix addRotation = m_drawTransform;
addRotation.translate(innerRect.fLeft, innerRect.fTop);
double halfButtonSize = manager->getButtonSize() / 2;
addRotation.translate(halfButtonSize, halfButtonSize);
addReverseRotation = addRotation;
addRotation.rotate(m_rotateDegree);
addRotation.translate(-halfButtonSize, -halfButtonSize);
SkRect size = SkRect::MakeWH(innerRect.width(), innerRect.height());
TextureQuadData spinnerQuadData(manager->getSpinnerOuterTextureId(),
GL_TEXTURE_2D, GL_LINEAR,
LayerQuad, &addRotation, &size);
shader->drawQuad(&spinnerQuadData);
addReverseRotation.rotate(-m_rotateDegree);
addReverseRotation.translate(-halfButtonSize, -halfButtonSize);
spinnerQuadData.updateTextureId(manager->getSpinnerInnerTextureId());
spinnerQuadData.updateDrawMatrix(&addReverseRotation);
shader->drawQuad(&spinnerQuadData);
m_rotateDegree += ROTATESTEP;
}
SkRect VideoLayerAndroid::calVideoRect(const SkRect& rect)
{
SkRect videoRect = rect;
VideoLayerManager* manager = TilesManager::instance()->videoLayerManager();
float aspectRatio = manager->getAspectRatio(uniqueId());
float deltaY = rect.height() - rect.width() / aspectRatio;
if (deltaY >= 0)
videoRect.inset(0, deltaY / 2);
else {
float deltaX = rect.width() - rect.height() * aspectRatio;
if (deltaX >= 0)
videoRect.inset(deltaX / 2, 0);
}
return videoRect;
}
bool VideoLayerAndroid::drawGL(bool layerTilesDisabled)
{
// Lazily allocated the textures.
TilesManager* tilesManager = TilesManager::instance();
VideoLayerManager* manager = tilesManager->videoLayerManager();
manager->initGLResourcesIfNeeded();
ShaderProgram* shader = tilesManager->shader();
SkRect rect = SkRect::MakeSize(getSize());
GLfloat surfaceMatrix[16];
// Calculate the video rect based on the aspect ratio and the element rect.
SkRect videoRect = calVideoRect(rect);
PureColorQuadData pureColorQuadData(Color(0, 0, 0, 255), LayerQuad,
&m_drawTransform, &rect);
if (videoRect != rect) {
// Paint the whole video element with black color when video content
// can't cover the whole area.
shader->drawQuad(&pureColorQuadData);
}
// Inner rect is for the progressing / play / pause animation.
SkRect innerRect = SkRect::MakeWH(manager->getButtonSize(),
manager->getButtonSize());
if (innerRect.contains(videoRect))
innerRect = videoRect;
double buttonSize = manager->getButtonSize();
innerRect.offset(videoRect.fLeft + (videoRect.width() - buttonSize) / 2,
videoRect.fTop + (videoRect.height() - buttonSize) / 2);
// When we are drawing the animation of the play/pause button in the
// middle of the video, we need to ask for redraw.
bool needRedraw = false;
TextureQuadData iconQuadData(0, GL_TEXTURE_2D, GL_LINEAR, LayerQuad,
&m_drawTransform, &innerRect);
// Draw the poster image, the progressing image or the Video depending
// on the player's state.
if (m_playerState == PREPARING) {
// Show the progressing animation, with two rotating circles
showPreparingAnimation(videoRect, innerRect);
needRedraw = true;
} else if (m_playerState == PLAYING && m_surfaceTexture.get()) {
// Show the real video.
m_surfaceTexture->updateTexImage();
m_surfaceTexture->getTransformMatrix(surfaceMatrix);
GLuint textureId = manager->getTextureId(uniqueId());
shader->drawVideoLayerQuad(m_drawTransform, surfaceMatrix,
videoRect, textureId);
manager->updateMatrix(uniqueId(), surfaceMatrix);
// Use the scale to control the fading the sizing during animation
double scale = manager->drawIcon(uniqueId(), PlayIcon);
if (scale) {
innerRect.inset(manager->getButtonSize() / 4 * scale,
manager->getButtonSize() / 4 * scale);
iconQuadData.updateTextureId(manager->getPlayTextureId());
iconQuadData.updateOpacity(scale);
shader->drawQuad(&iconQuadData);
needRedraw = true;
}
} else {
GLuint textureId = manager->getTextureId(uniqueId());
GLfloat* matrix = manager->getMatrix(uniqueId());
if (textureId && matrix) {
// Show the screen shot for each video.
shader->drawVideoLayerQuad(m_drawTransform, matrix,
videoRect, textureId);
} else {
// Show the static poster b/c there is no screen shot available.
pureColorQuadData.updateColor(Color(128, 128, 128, 255));
shader->drawQuad(&pureColorQuadData);
iconQuadData.updateTextureId(manager->getPosterTextureId());
iconQuadData.updateOpacity(1.0);
shader->drawQuad(&iconQuadData);
}
// Use the scale to control the fading and the sizing during animation.
double scale = manager->drawIcon(uniqueId(), PauseIcon);
if (scale) {
innerRect.inset(manager->getButtonSize() / 4 * scale,
manager->getButtonSize() / 4 * scale);
iconQuadData.updateTextureId(manager->getPauseTextureId());
iconQuadData.updateOpacity(scale);
shader->drawQuad(&iconQuadData);
needRedraw = true;
}
}
return needRedraw;
}
}
#endif // USE(ACCELERATED_COMPOSITING)
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