From 8e01f75784bd7b719a6957de40daf949eb01fcdf Mon Sep 17 00:00:00 2001 From: Teravus Ovares Date: Mon, 19 Jan 2009 17:11:57 +0000 Subject: * Progressive texture patch + PriorityQueue put into the LLClient namespace. * Updates LibOMV to r2362 --- .../Agent/TextureSender/J2KDecoderModule.cs | 215 +++++++++++++++++++++ 1 file changed, 215 insertions(+) create mode 100644 OpenSim/Region/Environment/Modules/Agent/TextureSender/J2KDecoderModule.cs (limited to 'OpenSim/Region/Environment/Modules/Agent/TextureSender/J2KDecoderModule.cs') diff --git a/OpenSim/Region/Environment/Modules/Agent/TextureSender/J2KDecoderModule.cs b/OpenSim/Region/Environment/Modules/Agent/TextureSender/J2KDecoderModule.cs new file mode 100644 index 0000000..7c51d68 --- /dev/null +++ b/OpenSim/Region/Environment/Modules/Agent/TextureSender/J2KDecoderModule.cs @@ -0,0 +1,215 @@ +/* + * Copyright (c) Contributors, http://opensimulator.org/ + * See CONTRIBUTORS.TXT for a full list of copyright holders. + * + * 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. + * * Neither the name of the OpenSim Project nor the + * names of its contributors may be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``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 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. + */ + +using System; +using System.Reflection; +using System.Threading; +using System.Collections.Generic; +using log4net; +using Nini.Config; +using OpenMetaverse; +using OpenMetaverse.Imaging; +using OpenSim.Region.Environment.Interfaces; +using OpenSim.Region.Environment.Scenes; + +namespace OpenSim.Region.Environment.Modules.Agent.TextureSender +{ + public class J2KDecoderModule : IRegionModule, IJ2KDecoder + { + #region IRegionModule Members + + private static readonly ILog m_log + = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType); + + /// + /// Cached Decoded Layers + /// + private readonly Dictionary m_cacheddecode = new Dictionary(); + + /// + /// List of client methods to notify of results of decode + /// + private readonly Dictionary> m_notifyList = new Dictionary>(); + + public void Initialise(Scene scene, IConfigSource source) + { + scene.RegisterModuleInterface(this); + } + + public void PostInitialise() + { + + } + + public void Close() + { + + } + + public string Name + { + get { return "J2KDecoderModule"; } + } + + public bool IsSharedModule + { + get { return true; } + } + + #endregion + + #region IJ2KDecoder Members + + + public void decode(UUID AssetId, byte[] assetData, DecodedCallback decodedReturn) + { + // Dummy for if decoding fails. + OpenJPEG.J2KLayerInfo[] result = new OpenJPEG.J2KLayerInfo[0]; + + // Check if it's cached + bool cached = false; + lock (m_cacheddecode) + { + if (m_cacheddecode.ContainsKey(AssetId)) + { + cached = true; + result = m_cacheddecode[AssetId]; + } + } + + // If it's cached, return the cached results + if (cached) + { + decodedReturn(AssetId, result); + } + else + { + // not cached, so we need to decode it + // Add to notify list and start decoding. + // Next request for this asset while it's decoding will only be added to the notify list + // once this is decoded, requests will be served from the cache and all clients in the notifylist will be updated + bool decode = false; + lock (m_notifyList) + { + if (m_notifyList.ContainsKey(AssetId)) + { + m_notifyList[AssetId].Add(decodedReturn); + } + else + { + List notifylist = new List(); + notifylist.Add(decodedReturn); + m_notifyList.Add(AssetId, notifylist); + decode = true; + } + } + // Do Decode! + if (decode) + { + doJ2kDecode(AssetId, assetData); + } + } + } + + #endregion + + /// + /// Decode Jpeg2000 Asset Data + /// + /// UUID of Asset + /// Byte Array Asset Data + private void doJ2kDecode(UUID AssetId, byte[] j2kdata) + { + int DecodeTime = 0; + DecodeTime = System.Environment.TickCount; + OpenJPEG.J2KLayerInfo[] layers = new OpenJPEG.J2KLayerInfo[0]; // Dummy result for if it fails. Informs that there's only full quality + try + { + + AssetTexture texture = new AssetTexture(AssetId, j2kdata); + if (texture.DecodeLayerBoundaries()) + { + bool sane = true; + + // Sanity check all of the layers + for (int i = 0; i < texture.LayerInfo.Length; i++) + { + if (texture.LayerInfo[i].End > texture.AssetData.Length) + { + sane = false; + break; + } + } + + if (sane) + { + layers = texture.LayerInfo; + } + else + { + m_log.WarnFormat("[J2KDecoderModule]: JPEG2000 texture decoding succeeded, but sanity check failed for {0}", + AssetId); + } + } + + else + { + m_log.WarnFormat("[J2KDecoderModule]: JPEG2000 texture decoding failed for {0}", AssetId); + } + texture = null; // dereference and dispose of ManagedImage + } + catch (Exception ex) + { + m_log.WarnFormat("[J2KDecoderModule]: JPEG2000 texture decoding threw an exception for {0}, {1}", AssetId, ex); + } + + // Write out decode time + m_log.InfoFormat("[J2KDecoderModule]: {0} Decode Time: {1}", System.Environment.TickCount - DecodeTime, AssetId); + + // Cache Decoded layers + lock (m_cacheddecode) + { + m_cacheddecode.Add(AssetId, layers); + + } + + // Notify Interested Parties + lock (m_notifyList) + { + if (m_notifyList.ContainsKey(AssetId)) + { + foreach (DecodedCallback d in m_notifyList[AssetId]) + { + if (d != null) + d.DynamicInvoke(AssetId, layers); + } + m_notifyList.Remove(AssetId); + } + } + } + } +} -- cgit v1.1