// This is called on the webcore thread, save the GL texture for recycle in
// the retired queue. They will be deleted in deleteUnusedTextures() in the UI
// thread.
// Return true when we found one texture to retire.
bool VideoLayerManager::recycleTextureMem()
{
// Find the oldest texture int the m_videoLayerInfoMap, put it in m_retiredTextures
int oldestTimeStamp = m_currentTimeStamp;
int oldestLayerId = -1;
InfoIterator end = m_videoLayerInfoMap.end();
#ifdef DEBUG
XLOG("VideoLayerManager::recycleTextureMem m_videoLayerInfoMap contains");
for (InfoIterator it = m_videoLayerInfoMap.begin(); it != end; ++it)
XLOG(" layerId %d, textureId %d, videoSize %d, timeStamp %d ",
it->first, it->second->textureId, it->second->videoSize, it->second->timeStamp);
#endif
for (InfoIterator it = m_videoLayerInfoMap.begin(); it != end; ++it) {
if (it->second->timeStamp < oldestTimeStamp) {
oldestTimeStamp = it->second->timeStamp;
oldestLayerId = it->first;
}
}
bool foundTextureToRetire = (oldestLayerId != -1);
if (foundTextureToRetire)
removeLayerInternal(oldestLayerId);
return foundTextureToRetire;
}
// When the video start, we know its texture info, so we register when we
// recieve the setSurfaceTexture call, this happens on UI thread.
void VideoLayerManager::registerTexture(const int layerId, const GLuint textureId)
{
android::Mutex::Autolock lock(m_videoLayerInfoMapLock);
// If the texture has been registered, then early return.
if (m_videoLayerInfoMap.get(layerId)) {
GLuint oldTextureId = m_videoLayerInfoMap.get(layerId)->textureId;
if (oldTextureId != textureId)
removeLayerInternal(layerId);
else
return;
}
// The old info is deleted and now complete the new info and store it.
VideoLayerInfo* pInfo = new VideoLayerInfo();
pInfo->textureId = textureId;
memset(pInfo->surfaceMatrix, 0, sizeof(pInfo->surfaceMatrix));
pInfo->videoSize = 0;
pInfo->aspectRatio = DEFAULT_VIDEO_ASPECT_RATIO;
m_currentTimeStamp++;
pInfo->timeStamp = m_currentTimeStamp;
pInfo->lastIconShownTime = 0;
pInfo->iconState = Registered;
m_videoLayerInfoMap.add(layerId, pInfo);
ALOGV("GL texture %d regisered for layerId %d", textureId, layerId);
return;
}
// This can be called in the webcore thread in the media player's dtor.
void VideoLayerManager::removeLayer(const int layerId)
{
android::Mutex::Autolock lock(m_videoLayerInfoMapLock);
removeLayerInternal(layerId);
}