Some progress

.gitignore

@@ -0,0 +1,8 @@
+config.h
+config.mk
+maker/vst-bridge-maker
+plugin/vst-bridge-plugin-tpl.so
+host/vst-bridge-host-32.exe
+host/vst-bridge-host-64.exe
+host/vst-bridge-host-32.exe.so
+host/vst-bridge-host-64.exe.so

LICENSE

@@ -0,0 +1,19 @@
+Copyright (C) 2011-2012 Alexandre Bique
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

Makefile

@@ -0,0 +1,14 @@
+all:
+	make -C maker
+	make -C plugin
+	make -C host
+
+install:
+	make -C maker install
+	make -C plugin install
+	make -C host install
+
+clean:
+	make -C maker clean
+	make -C plugin clean
+	make -C host clean

README

@@ -2,12 +2,24 @@ This is a bridge to run windows VST plugins on Linux VST hosts.
 
 = Architecture =
 
-vst-bridge.so.tpl has room for the windows plugin path.
+vst-bridge.so is a Linux VST plugin which has space reserved for the windows
+plugin path.
 
-vst-bridge-maker creates a dedicate vst-plugin.so by setting the path to the
-windows vst in vst-bridge.so.tpl.
+vst-bridge-create creates a dedicated vst-bridge-<plugin>.so for each windows
+vst plugin by setting the path to the windows vst in vst-bridge-<plugin>.so
 
-vst-bridge-host.exe hosts a windows vst and receives RPC.
+vst-bridge-host.exe hosts a windows vst and communicates with
+vst-bridge-<plugin>.so.
 
-vst-bridge-<plugin>.so starts a new wine process vst-bridge-host.exe and
+vst-bridge-<plugin>.so spawns a new wine process vst-bridge-host.exe and
 passes the path to the <plugin>.
+
+= Protocol =
+
+The communication is done through socket(AF_UNIX, SOCK_SEQPACKET, 0).
+The buffer oriented tasks, like process, ... may be done via shared memory.
+
+ - request : tag, cmd, len(data), data
+ - tag: 32 bits
+ - cmd: 32 bits
+ - len(data): 32 bits

common/common.h

@@ -0,0 +1,103 @@
+#ifndef COMMON_H
+# define COMMON_H
+
+# include <fcntl.h>
+
+# include <stdint.h>
+# include <stdbool.h>
+
+# include "../config.h"
+
+# define VST_BRIDGE_TPL_PLUGIN_PATH "VST-BRIDGE-TPL-PATH"
+# define VST_BRIDGE_BUFFER_SIZE (1024 * 1024)
+
+enum vst_bridge_cmd {
+  VST_BRIDGE_CMD_PING,
+  VST_BRIDGE_CMD_PLUGIN_MAIN,
+  VST_BRIDGE_CMD_AUDIO_MASTER_CALLBACK,
+  VST_BRIDGE_CMD_EFFECT_DISPATCHER,
+  VST_BRIDGE_CMD_PROCESS,
+  VST_BRIDGE_CMD_PROCESS_DOUBLE,
+  VST_BRIDGE_CMD_SET_PARAMETER,
+  VST_BRIDGE_CMD_GET_PARAMETER,
+};
+
+struct vst_bridge_effect_request {
+  int32_t opcode;
+  int32_t index;
+  int64_t value;
+  float   opt;
+  uint8_t data[0];
+} __attribute__((packed));
+
+struct vst_bridge_audio_master_request {
+  int32_t opcode;
+  int32_t index;
+  int64_t value;
+  float   opt;
+  uint8_t data[0];
+} __attribute__((packed));
+
+struct vst_bridge_frames {
+  uint32_t nframes;
+  float    frames[0];
+} __attribute__((packed));
+
+struct vst_bridge_frames_double {
+  uint32_t nframes;
+  double   frames[0];
+} __attribute__((packed));
+
+struct vst_bridge_effect_parameter {
+  uint32_t index;
+  float    value;
+} __attribute__((packed));
+
+struct vst_bridge_plugin_data {
+  bool    hasSetParameter;
+  bool    hasGetParameter;
+  bool    hasProcessReplacing;
+  bool    hasProcessDoubleReplacing;
+  int32_t numPrograms;
+  int32_t numParams;
+  int32_t numInputs;
+  int32_t numOutputs;
+  int32_t flags;
+  int32_t initialDelay;
+  int32_t uniqueID;
+  int32_t version;
+};
+
+struct vst_bridge_midi_event {
+  int32_t type;
+  int32_t byteSize;
+  int32_t deltaFrames;
+  int32_t flags;
+  uint8_t data[0];
+};
+
+struct vst_bridge_midi_events {
+  uint32_t nb;
+  struct vst_bridge_midi_event events[0];
+};
+
+struct vst_bridge_request {
+  uint32_t tag;
+  uint32_t cmd;
+  union {
+    uint8_t data[16 * 1024];
+    struct vst_bridge_effect_request erq;
+    struct vst_bridge_audio_master_request amrq;
+    struct vst_bridge_frames frames;
+    struct vst_bridge_frames_double framesd;
+    struct vst_bridge_effect_parameter param;
+    struct vst_bridge_plugin_data plugin_data;
+  };
+} __attribute__((packed));
+
+union vst_bridge_buffer {
+  struct vst_bridge_request rq;
+  uint8_t buffer[VST_BRIDGE_BUFFER_SIZE];
+};
+
+#endif /* !COMMON_H */

configure

@@ -0,0 +1,95 @@
+#! /bin/sh
+
+DEBUG=1
+CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
+CFLAGS="$CFLAGS -W -Wall -Wstrict-prototypes -pipe"
+CFLAGS="$CFLAGS -Wfloat-equal -Wundef -Wshadow -Wpointer-arith"
+CFLAGS="$CFLAGS -Wmissing-declarations -Wnested-externs"
+CFLAGS="$CFLAGS -Wmissing-prototypes -fPIC"
+CXXFLAGS="$CXXFLAGS -W -Wall -pipe -Wundef -Wshadow -Wpointer-arith -Wabi -std=c++11 -fPIC"
+LDFLAGS="$LDFLAGS"
+
+if [[ -z "$CC" ]]; then
+    CC=gcc
+fi
+
+if [[ -z "$CXX" ]]; then
+    CXX=g++
+fi
+
+if [[ -z "$WINCC" ]]; then
+    WINCC=i486-mingw32-gcc
+fi
+
+if [[ -z "$WINCXX" ]]; then
+    WINCXX=i486-mingw32-g++
+fi
+
+if [[ -z "$PREFIX" ]]; then
+    PREFIX=/usr/local
+fi
+
+function usage()
+{
+    echo -n "usage: $0
+  --release		disable debug
+  --debug		enables debug
+
+  --prefix=<dir>        the installation prefix path
+"
+    exit
+}
+
+until [[ $# -eq 0 ]] ;
+do
+    case "$1" in
+	--release)
+	    DEBUG=0
+	    ;;
+	--debug)
+	    DEBUG=1
+	    ;;
+        --prefix=*)
+            PREFIX="${1/--prefix=/}"
+            ;;
+	-h|--help|help)
+	    usage
+	    ;;
+	*)
+            echo wrong argument "$1"
+	    usage
+	    ;;
+    esac
+    shift
+done
+
+if [[ $DEBUG -eq 0 ]]; then
+    CFLAGS="$CFLAGS -DNDEBUG -O2"
+    CXXFLAGS="$CXXFLAGS -DNDEBUG -O2"
+else
+    CFLAGS="$CFLAGS -g"
+    CXXFLAGS="$CXXFLAGS -g"
+fi
+
+CFLAGS="${CPPFLAGS} ${CFLAGS}"
+CXXFLAGS="${CPPFLAGS} ${CXXFLAGS}"
+
+cat >config.h <<EOF
+#ifndef CONFIG_H
+# define CONFIG_H
+
+# define INSTALL_PREFIX "${PREFIX}"
+
+#endif /* !CONFIG_H */
+EOF
+
+cat >config.mk <<EOF
+CPPFLAGS = $CPPFLAGS
+CFLAGS = $CFLAGS
+CXXFLAGS = $CXXFLAGS
+CC = $CC
+CXX = $CXX
+WINCC = $WINCC
+WINCXX = $WINCXX
+PREFIX = $PREFIX
+EOF

host/Makefile

@@ -0,0 +1,18 @@
+include ../config.mk
+
+SRC    = host.cc
+
+all: vst-bridge-host-32.exe vst-bridge-host-64.exe
+
+vst-bridge-host-32.exe: $(SRC) ../common/common.h ../config.h
+	$(WINCXX) -m32 $(CPPFLAGS) $(CFLAGS) $(SRC) -lpthread -o $@
+
+vst-bridge-host-64.exe: $(SRC) ../common/common.h ../config.h
+	$(WINCXX) -m64 $(CPPFLAGS) $(CFLAGS) $(SRC) -lpthread -o $@
+
+clean:
+	rm -f vst-bridge-host-*.exe*
+
+install: all
+	install -m 755 -d $(DESTDIR)$(PREFIX)/lib/vst-bridge
+	install -m 755 vst-bridge-host-*.exe* $(DESTDIR)$(PREFIX)/lib/vst-bridge/