| 623 | //----------------------------------------------------------------------------- |
| 624 | |
| 625 | void TheoraTexture::refresh() |
| 626 | { |
| 627 | PROFILE_SCOPE( TheoraTexture_refresh ); |
| 628 | |
| 629 | if( !mAsyncState || !mPlaybackQueue ) |
| 630 | return; |
| 631 | |
| 632 | // Synchronize the async state to our current time. |
| 633 | // Unfortunately, we cannot set the Theora decoder to |
| 634 | // synchronize directly with us as our lifetime and the |
| 635 | // lifetime of our time sources isn't bound to the |
| 636 | // threaded state. |
| 637 | |
| 638 | mAsyncState->syncTime( _getTimeSource()->getPosition() ); |
| 639 | |
| 640 | // Update the texture, if necessary. |
| 641 | |
| 642 | bool haveFrame = false; |
| 643 | while( mPlaybackQueue->needPacket() ) |
| 644 | { |
| 645 | // Lock the current frame. |
| 646 | |
| 647 | if( mCurrentFrame && !mCurrentFrame->mLockedRect ) |
| 648 | mCurrentFrame->mLockedRect = mCurrentFrame->mTexture.lock(); |
| 649 | |
| 650 | // Try to read a new frame. |
| 651 | |
| 652 | TheoraTextureFrame* frame = mAsyncState->readNextFrame(); |
| 653 | if( !frame ) |
| 654 | break; |
| 655 | |
| 656 | // Submit frame to queue. |
| 657 | |
| 658 | mPlaybackQueue->submitPacket( |
| 659 | frame, |
| 660 | frame->mFrameDuration * 1000.f, |
| 661 | false, |
| 662 | frame->mFrameTime * 1000.f |
| 663 | ); |
| 664 | |
| 665 | // See if we have dropped frames. |
| 666 | |
| 667 | if( frame->mFrameNumber != mLastFrameNumber + 1 ) |
| 668 | mNumDroppedFrames += frame->mFrameNumber - mLastFrameNumber - 1; |
| 669 | mLastFrameNumber = frame->mFrameNumber; |
| 670 | |
| 671 | haveFrame = true; |
| 672 | } |
| 673 | |
| 674 | // Unlock current frame. |
| 675 | |
| 676 | if( mCurrentFrame && mCurrentFrame->mLockedRect ) |
| 677 | { |
| 678 | mCurrentFrame->mTexture.unlock(); |
| 679 | mCurrentFrame->mLockedRect = NULL; |
| 680 | } |
| 681 | |
| 682 | // Release async state if we have reached the |
no test coverage detected