Add sdlmusichelper with some SDL/SDL2 functions.

4 files changed, 188 insertions, 0 deletions

diff --git a/src/utils/sdl2musichelper.cpp b/src/utils/sdl2musichelper.cpp
new file mode 100644
index 000000000..300f79991
--- /dev/null
+++ b/src/utils/sdl2musichelper.cpp
@@ -0,0 +1,53 @@
+/*
+ *  The ManaPlus Client
+ *  Copyright (C) 2013-2017  The ManaPlus Developers
+ *
+ *  This file is part of The ManaPlus Client.
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifdef USE_SDL2
+
+#include "utils/sdl2musichelper.h"
+
+#include "debug.h"
+
+int SDL::MixOpenAudio(const int frequency,
+                      const uint16_t format,
+                      const int nchannels,
+                      const int chunksize)
+{
+#if SDL_MIXER_VERSION_ATLEAST(2, 0, 2)
+    return Mix_OpenAudioDevice(frequency,
+        format,
+        nchannels,
+        chunksize,
+        nullptr,
+        SDL_AUDIO_ALLOW_FREQUENCY_CHANGE | SDL_AUDIO_ALLOW_CHANNELS_CHANGE);
+#else  // SDL_MIXER_VERSION_ATLEAST(2, 0, 2)
+
+    return Mix_OpenAudio(frequency,
+        format,
+        nchannels,
+        chunksize);
+#endif  // SDL_MIXER_VERSION_ATLEAST(2, 0, 2)
+}
+
+Mix_Music *SDL::LoadMUSOgg_RW(SDL_RWops *const rw)
+{
+    return Mix_LoadMUSType_RW(rw, MUS_OGG, 1);
+}
+
+#endif  // USE_SDL2
diff --git a/src/utils/sdl2musichelper.h b/src/utils/sdl2musichelper.h
new file mode 100644
index 000000000..6c9207563
--- /dev/null
+++ b/src/utils/sdl2musichelper.h
@@ -0,0 +1,44 @@
+/*
+ *  The ManaPlus Client
+ *  Copyright (C) 2013-2017  The ManaPlus Developers
+ *
+ *  This file is part of The ManaPlus Client.
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef UTILS_SDL2MUSICHELPER_H
+#define UTILS_SDL2MUSICHELPER_H
+
+#ifdef USE_SDL2
+
+#include "localconsts.h"
+
+PRAGMA48(GCC diagnostic push)
+PRAGMA48(GCC diagnostic ignored "-Wshadow")
+#include <SDL_mixer.h>
+PRAGMA48(GCC diagnostic pop)
+
+namespace SDL
+{
+    int MixOpenAudio(const int frequency,
+                     const uint16_t format,
+                     const int nchannels,
+                     const int chunksize);
+
+    Mix_Music *LoadMUSOgg_RW(SDL_RWops *const rw);
+}  // namespace SDL
+
+#endif  // USE_SDL2
+#endif  // UTILS_SDL2MUSICHELPER_H
diff --git a/src/utils/sdlmusichelper.cpp b/src/utils/sdlmusichelper.cpp
new file mode 100644
index 000000000..2987f9533
--- /dev/null
+++ b/src/utils/sdlmusichelper.cpp
@@ -0,0 +1,43 @@
+/*
+ *  The ManaPlus Client
+ *  Copyright (C) 2013-2017  The ManaPlus Developers
+ *
+ *  This file is part of The ManaPlus Client.
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef USE_SDL2
+
+#include "utils/sdlmusichelper.h"
+
+#include "debug.h"
+
+int SDL::MixOpenAudio(const int frequency,
+                      const uint16_t format,
+                      const int nchannels,
+                      const int chunksize)
+{
+    return Mix_OpenAudio(frequency,
+        format,
+        nchannels,
+        chunksize);
+}
+
+Mix_Music *SDL::LoadMUSOgg_RW(SDL_RWops *const rw)
+{
+    return Mix_LoadMUS_RW(rw);
+}
+
+#endif  // USE_SDL2
diff --git a/src/utils/sdlmusichelper.h b/src/utils/sdlmusichelper.h
new file mode 100644
index 000000000..b07aa9a10
--- /dev/null
+++ b/src/utils/sdlmusichelper.h
@@ -0,0 +1,48 @@
+/*
+ *  The ManaPlus Client
+ *  Copyright (C) 2013-2017  The ManaPlus Developers
+ *
+ *  This file is part of The ManaPlus Client.
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef UTILS_SDLMUSICHELPER_H
+#define UTILS_SDLMUSICHELPER_H
+
+#ifdef USE_SDL2
+#include "utils/sdl2musichelper.h"
+UTILS_SDL2MUSICHELPER_H
+
+#else
+
+#include "localconsts.h"
+
+PRAGMA48(GCC diagnostic push)
+PRAGMA48(GCC diagnostic ignored "-Wshadow")
+#include <SDL_mixer.h>
+PRAGMA48(GCC diagnostic pop)
+
+namespace SDL
+{
+    int MixOpenAudio(const int frequency,
+                     const uint16_t format,
+                     const int nchannels,
+                     const int chunksize);
+
+    Mix_Music *LoadMUSOgg_RW(SDL_RWops *const rw);
+}  // namespace SDL
+
+#endif  // USE_SDL2
+#endif  // UTILS_SDLMUSICHELPER_H