Merge commit '008b4c'

sound/imp/audiere_imp.cpp

@@ -27,6 +27,7 @@ AudiereManager::AudiereManager()
   canRepeatStream = true;
   canLoadFile = true;
   canLoadSource = false;
+  canLoadStream = false;
 
   device = OpenDevice("");
 

sound/imp/audiere_imp.h

@@ -19,6 +19,10 @@ class AudiereManager : public Manager
 
   virtual Sound *load(const std::string &file, bool stream=false);
 
+  /// not implemented yet
+  virtual Sound *load(Stream::InputStream *input, bool stream=false)
+    { assert(0); }
+
   /// disabled
   virtual Sound *load(InputSource *input, bool stream=false)
     { assert(0); }

sound/imp/input_ffmpeg.cpp

@@ -32,6 +32,8 @@ FFM_InputManager::FFM_InputManager()
       av_log_set_level(AV_LOG_ERROR);
       init = true;
     }
+
+  canLoadStream = false;
 }
 
 InputSource *FFM_InputManager::load(const std::string &file)

sound/imp/input_ffmpeg.h

@@ -34,6 +34,9 @@ class FFM_InputManager : public InputManager
  public:
   FFM_InputManager();
   virtual InputSource *load(const std::string &file);
+
+  /// not supported
+  virtual InputSource *load(Stream::InputStream *input) { assert(0); }
 };
 
 /// FFMpeg implementation of InputSource

sound/imp/input_filter.h

@@ -43,26 +43,31 @@ class InputFilter : public Manager
 
   /// Assign an input manager and a sound manager to this object
   void set(Manager *_snd, InputManager *_inp)
-    {
-      inp = _inp;
-      snd = _snd;
+  {
+    inp = _inp;
+    snd = _snd;
 
-      needsUpdate = snd->needsUpdate;
-      has3D = snd->has3D;
-      canRepeatStream = snd->canRepeatStream;
+    // Set capabilities
+    needsUpdate = snd->needsUpdate;
+    has3D = snd->has3D;
+    canRepeatStream = snd->canRepeatStream;
+    canLoadStream = inp->canLoadStream;
 
-      // Both these should be true, or the use of this class is pretty
-      // pointless
-      canLoadSource = snd->canLoadSource;
-      canLoadFile = canLoadSource;
-      assert(canLoadSource && canLoadFile);
-    }
+    // Both these should be true, or the use of this class is pretty
+    // pointless
+    canLoadSource = snd->canLoadSource;
+    canLoadFile = canLoadSource;
+    assert(canLoadSource && canLoadFile);
+  }
 
   virtual Sound *load(const std::string &file, bool stream=false)
-    { return load(inp->load(file), stream); }
+  { return load(inp->load(file), stream); }
+
+  virtual Sound *load(Stream::InputStream *input, bool stream=false)
+  { return load(inp->load(input), stream); }
 
   virtual Sound *load(InputSource *input, bool stream=false)
-    { return snd->load(input, stream); }
+  { return snd->load(input, stream); }
 
   virtual void update() { snd->update(); }
   virtual void setListenerPos(float x, float y, float z,

sound/imp/output_openal.cpp

@@ -97,6 +97,9 @@ OpenAL_Manager::~OpenAL_Manager()
 Sound *OpenAL_Manager::load(const std::string &file, bool stream)
 { assert(0 && "OpenAL cannot decode files"); }
 
+Sound *OpenAL_Manager::load(Stream::InputStream*,bool)
+{ assert(0 && "OpenAL cannot decode streams"); }
+
 Sound *OpenAL_Manager::load(InputSource *source, bool stream)
 { return new OpenAL_Sound(source, this, stream); }
 

sound/imp/output_openal.h

@@ -26,6 +26,7 @@ public:
   void remove_stream(LST::iterator);
 
   virtual Sound *load(const std::string &file, bool stream=false);
+  virtual Sound *load(Stream::InputStream *input, bool stream=false);
   virtual Sound *load(InputSource* input, bool stream=false);
   virtual void update();
   virtual void setListenerPos(float x, float y, float z,

sound/input.h

@@ -4,6 +4,8 @@
 #include <string>
 #include <stdint.h>
 
+#include "../stream/input.h"
+
 namespace Mangle {
 namespace Sound {
 
@@ -64,9 +66,15 @@ class InputSource
 class InputManager
 {
  public:
+  /// If true, the stream version of load() works
+  bool canLoadStream;
+
   /// Load a sound input source from file
   virtual InputSource *load(const std::string &file) = 0;
 
+  /// Load a sound input source from stream (if canLoadStream is true)
+  virtual InputSource *load(Stream::InputStream *input) = 0;
+
   /// Virtual destructor
   virtual ~InputManager() {}
 };

sound/sound.h

@@ -4,6 +4,8 @@
 #include <string>
 #include "input.h"
 
+#include "../stream/input.h"
+
 namespace Mangle {
 namespace Sound {
 
@@ -115,6 +117,9 @@ class Manager
   /// true if we can load sounds from an InputSource
   bool canLoadSource;
 
+  /// If true, we can lound sound files from a Stream
+  bool canLoadStream;
+
   /**
      @brief Load a sound from an input source. Only valid if
      canLoadSource is true.
@@ -132,6 +137,16 @@ class Manager
   */
   virtual Sound *load(InputSource *input, bool stream=false) = 0;
 
+  /**
+     @brief Load a sound directly from file. Only valid if canLoadStream
+     is true.
+
+     @param input audio file stream
+     @param stream true if the file should be streamed
+     @see load(InputSource*,bool)
+  */
+  virtual Sound *load(Stream::InputStream *input, bool stream=false) = 0;
+
   /**
      @brief Load a sound directly from file. Only valid if canLoadFile
      is true.

stream/imp_client/audiere_file.cpp

@@ -0,0 +1,39 @@
+#include "audiere_file.h"
+
+using namespace audiere;
+using namespace Mangle::Stream;
+
+bool AudiereFile::seek(int pos, SeekMode mode)
+{
+  assert(inp->isSeekable);
+  assert(inp->hasPosition);
+
+  if(mode == BEGIN)
+    {
+      // Absolute position
+      inp->seek(pos);
+      return inp->tell() == pos;
+    }
+  if(mode == CURRENT)
+    {
+      // Current position
+      int cpos = inp->tell();
+
+      // Seek to a elative position
+      inp->seek(cpos + pos);
+      return inp->tell() == (pos+cpos);
+    }
+  if(mode == END)
+    {
+      // Seeking from the end. This requires that we're able to get
+      // the entire size of the file. The pos also has to be
+      // non-positive.
+      assert(inp->hasSize);
+      assert(pos <= 0);
+
+      size_t epos = inp->size();
+      inp->seek(epos + pos);
+      return inp->tell() == (epos+pos);
+    }
+  assert(0 && "invalid seek mode");
+}

stream/imp_client/audiere_file.h

@@ -0,0 +1,35 @@
+#ifndef MANGLE_STREAM_AUDIERECLIENT_H
+#define MANGLE_STREAM_AUDIERECLIENT_H
+
+#include <audiere.h>
+#include <assert.h>
+#include "iwrapper.h"
+
+namespace Mangle {
+namespace Stream {
+
+/** @brief An Audiere::File that wraps a Mangle::Stream input.
+
+    This lets Audiere read sound files from any generic archive or
+    file manager that supports Mangle streams.
+ */
+class AudiereFile : public audiere::File, _IWrapper
+{
+ public:
+  AudiereFile(InputStream *inp, bool autoDel=false)
+    : _IWrapper(inp, autoDel) {}
+
+  /// Read 'count' bytes, return bytes successfully read
+  int read(void *buf, int count)
+    { return inp->read(buf,count); }
+
+  /// Seek, relative to specified seek mode. Returns true if successful.
+  bool seek(int pos, audiere::SeekMode mode);
+
+  /// Get current position
+  int tell()
+    { assert(inp->hasPosition); return inp->tell(); }
+};
+
+}} // namespaces
+#endif

stream/imp_server/ogre_datastream.h

@@ -0,0 +1,35 @@
+#ifndef MANGLE_STREAM_OGRESERVER_H
+#define MANGLE_STREAM_OGRESERVER_H
+
+#include <OgreDataStream.h>
+
+namespace Mangle {
+namespace Stream {
+
+/** A Stream wrapping an OGRE DataStream.
+
+    This has been built and tested against OGRE 1.6.2. You might have
+    to make your own modifications if you're working with newer (or
+    older) versions.
+ */
+class OgreStream : public InputStream
+{
+  Ogre::DataStreamPtr inp;
+
+ public:
+ OgreStream(Ogre::DataStreamPtr _inp) : inp(_inp)
+  {
+    isSeekable = true;
+    hasPosition = true;
+    hasSize = true;
+  }
+
+  size_t read(void *buf, size_t count) { return inp->read(buf,count); }
+  void seek(size_t pos) { inp->seek(pos); }
+  size_t tell() const { return inp->tell(); }
+  size_t size() const { return inp->size(); }
+  bool eof() const { return inp->eof(); }
+};
+
+}} // namespaces
+#endif

vfs/imp_client/ogre_archive.h

@@ -18,7 +18,6 @@ namespace VFS {
 class MangleArchive : public Ogre::Archive, _Wrapper
 {
  public:
-  /// Constructor without name
   MangleArchive(VFS *vfs, const std::string &name,
                 const std::string &archType = "Mangle",
                 bool autoDel=false)

vfs/imp_server/ogre_vfs.h

@@ -0,0 +1,62 @@
+#ifndef MANGLE_VFS_OGRECLIENT_H
+#define MANGLE_VFS_OGRECLIENT_H
+
+#include <OgreArchive.h>
+
+namespace Mangle {
+namespace VFS {
+
+/** @brief An interface into the OGRE VFS system.
+
+    This class does not wrap a single Ogre::Archive, but rather the
+    entire resource set available to Ogre. You can use this class to
+    tap into all paths, Zip files, custom archives on so on that have
+    been inserted into Ogre as resource locations.
+
+    This class is currently a work in progres, it will not compile as
+    it stands.
+
+    This has been built and tested against OGRE 1.6.2. You might have
+    to make your own modifications if you're working with newer (or
+    older) versions.
+ */
+class OgreVFS : public VFS
+{
+ public:
+  OgreVFS()
+    {
+      hasFind = true;
+      isCaseSensitive = true;
+    }
+
+  /// Open a new data stream. Deleting the object should be enough to
+  /// close it.
+  virtual Stream::InputStream *open(const std::string &name);
+
+  /// Check for the existence of a file
+  virtual bool isFile(const std::string &name) const;
+
+  /// Check for the existence of a directory
+  virtual bool isDir(const std::string &name) const;
+
+  /// Get info about a single file
+  virtual FileInfo stat(const std::string &name) const;
+
+  /// List all entries in a given directory. A blank dir should be
+  /// interpreted as a the root/current directory of the archive. If
+  /// dirs is true, list directories instead of files.
+  virtual FileInfoList list(const std::string& dir = "",
+                            bool recurse=true,
+                            bool dirs=false) const;
+
+  /// Find files after a given pattern. Wildcards (*) are
+  /// supported. Only valid if 'hasFind' is true. Don't implement your
+  /// own pattern matching here if the backend doesn't support it
+  /// natively; use a filter instead (not implemented yet.)
+  virtual FileInfoList find(const std::string& pattern,
+                            bool recursive=true,
+                            bool dirs=false) const;
+};
+
+}} // namespaces
+#endif