Remove SDL_sound dependency

src/aldatasource.h

@@ -40,6 +40,11 @@ struct ALDataSource
 	 * to provided AL buffer */
 	virtual Status fillBuffer(AL::Buffer::ID alBuffer) = 0;
 
+	/* Read everything into the provided buffer */
+	virtual int fillBufferFull(AL::Buffer::ID alBuffer) {
+		return 0;
+	};
+
 	virtual int sampleRate() = 0;
 
 	/* If the source doesn't support seeking, it will
@@ -53,10 +58,12 @@ struct ALDataSource
 	virtual bool setPitch(float value) = 0;
 };
 
+#ifndef __EMSCRIPTEN__
 ALDataSource *createSDLSource(SDL_RWops &ops,
                               const char *extension,
 			                  uint32_t maxBufSize,
 			                  bool looped);
+#endif
 
 ALDataSource *createVorbisSource(SDL_RWops &ops,
                                  bool looped);

src/alstream.cpp

@@ -244,7 +244,9 @@ struct ALStreamOpenHandler : FileSystem::OpenHandler
 				}
 			}
 
+#ifndef __EMSCRIPTEN__
 			source = createSDLSource(*srcOps, ext, STREAM_BUF_SIZE, looped);
+#endif
 		}
 		catch (const Exception &e)
 		{

src/filesystem.cpp

@@ -31,8 +31,6 @@
 
 #include <physfs.h>
 
-#include <SDL_sound.h>
-
 #include <stdio.h>
 #include <string.h>
 #include <algorithm>

src/main.cpp

@@ -24,7 +24,10 @@
 #include <SDL.h>
 #include <SDL_image.h>
 #include <SDL_ttf.h>
+
+#ifndef __EMSCRIPTEN__
 #include <SDL_sound.h>
+#endif
 
 #include <unistd.h>
 #include <string.h>
@@ -272,6 +275,7 @@ int main(int argc, char *argv[])
 		return 0;
 	}
 
+#ifndef __EMSCRIPTEN__
 	if (Sound_Init() == 0)
 	{
 		showInitError(std::string("Error initializing SDL_sound: ") + Sound_GetError());
@@ -281,6 +285,7 @@ int main(int argc, char *argv[])
 
 		return 0;
 	}
+#endif
 
 	SDL_Window *win;
 	Uint32 winFlags = SDL_WINDOW_OPENGL | SDL_WINDOW_INPUT_FOCUS;
@@ -385,7 +390,10 @@ int main(int argc, char *argv[])
 	alcCloseDevice(alcDev);
 	SDL_DestroyWindow(win);
 
+#ifndef __EMSCRIPTEN__
 	Sound_Quit();
+#endif
+
 	TTF_Quit();
 	IMG_Quit();
 	SDL_Quit();

src/sdlsoundsource.cpp

@@ -22,6 +22,8 @@
 #include "aldatasource.h"
 #include "exception.h"
 
+#ifndef __EMSCRIPTEN__
+
 #include <SDL_sound.h>
 
 struct SDLSoundSource : ALDataSource
@@ -129,3 +131,5 @@ ALDataSource *createSDLSource(SDL_RWops &ops,
 {
 	return new SDLSoundSource(ops, extension, maxBufSize, looped);
 }
+
+#endif

src/soundemitter.cpp

@@ -28,10 +28,11 @@
 #include "util.h"
 #include "debugwriter.h"
 
+#ifndef __EMSCRIPTEN__
 #include <SDL_sound.h>
-
-#ifdef __EMSCRIPTEN__
+#else
 #include "emscripten.hpp"
+#include "aldatasource.h"
 #endif
 
 #define SE_CACHE_MEM (10*1024*1024) // 10 MB
@@ -198,6 +199,11 @@ struct SoundOpenHandler : FileSystem::OpenHandler
 
 	bool tryRead(SDL_RWops &ops, const char *ext, const char *fullPath)
 	{
+#ifdef __EMSCRIPTEN__
+		ALDataSource *source = createVorbisSource(ops, false);
+		buffer = new SoundBuffer;
+		buffer->bytes = source->fillBufferFull(buffer->alBuffer);
+#else
 		Sound_Sample *sample = Sound_NewSample(&ops, ext, 0, STREAM_BUF_SIZE);
 
 		if (!sample)
@@ -221,7 +227,7 @@ struct SoundOpenHandler : FileSystem::OpenHandler
 							   buffer->bytes, sample->actual.rate);
 
 		Sound_FreeSample(sample);
-
+#endif
 		return true;
 	}
 };
@@ -253,8 +259,13 @@ SoundBuffer *SoundEmitter::allocateBuffer(const std::string &filename)
 		if (!buffer)
 		{
 			char buf[512];
+#ifdef __EMSCRIPTEN__
+			snprintf(buf, sizeof(buf), "Unable to decode with vorbisfile: %s",
+			         filename.c_str());
+#else
 			snprintf(buf, sizeof(buf), "Unable to decode sound: %s: %s",
 			         filename.c_str(), Sound_GetError());
+#endif
 			Debug() << buf;
 
 			return 0;

src/vorbissource.cpp

@@ -78,6 +78,9 @@ struct VorbisSource : ALDataSource
 
 	std::vector<int16_t> sampleBuf;
 
+	int bufUsed = 0;
+	bool readFull = false;
+
 	VorbisSource(SDL_RWops &ops,
 	             bool looped)
 	    : src(ops),
@@ -178,7 +181,7 @@ struct VorbisSource : ALDataSource
 	{
 		void *bufPtr = sampleBuf.data();
 		int availBuf = sampleBuf.size();
-		int bufUsed  = 0;
+		bufUsed  = 0;
 
 		int canRead = availBuf;
 
@@ -259,6 +262,12 @@ struct VorbisSource : ALDataSource
 			}
 
 			canRead -= res;
+
+			/* Double size if we want to read everything */
+			if (readFull && !(canRead > 16)) {
+				canRead += sampleBuf.size();
+				sampleBuf.resize(sampleBuf.size() * 2);
+			}
 		}
 
 		if (retStatus != ALDataSource::Error)
@@ -268,6 +277,13 @@ struct VorbisSource : ALDataSource
 		return retStatus;
 	}
 
+	int fillBufferFull(AL::Buffer::ID alBuffer) {
+		readFull = true;
+		fillBuffer(alBuffer);
+		readFull = false;
+		return bufUsed*sizeof(int16_t);
+	}
+
 	uint32_t loopStartFrames()
 	{
 		if (loop.valid)