Merge pull request #936 from michaeljbishop/add-mix-reservechannels

Add Mix_ReserveChannels

4 files changed, 92 insertions, 0 deletions

diff --git a/tests/runner.py b/tests/runner.py
index eb0f8e7b..d46ca369 100755
--- a/tests/runner.py
+++ b/tests/runner.py
@@ -10779,6 +10779,15 @@ elif 'browser' in str(sys.argv):
       Popen([PYTHON, EMCC, '-O2', '--minify', '0', os.path.join(self.get_dir(), 'sdl_audio.c'), '--preload-file', 'sound.ogg', '--preload-file', 'sound2.wav', '--preload-file', 'bad.ogg', '-o', 'page.html', '-s', 'EXPORTED_FUNCTIONS=["_main", "_play", "_play2"]']).communicate()
       self.run_browser('page.html', '', '/report_result?1')
 
+    def test_sdl_audio_mix(self):
+      shutil.copyfile(path_from_root('tests', 'sounds', 'pluck.ogg'), os.path.join(self.get_dir(), 'sound.ogg'))
+      shutil.copyfile(path_from_root('tests', 'sounds', 'the_entertainer.ogg'), os.path.join(self.get_dir(), 'music.ogg'))
+      open(os.path.join(self.get_dir(), 'sdl_audio_mix.c'), 'w').write(self.with_report_result(open(path_from_root('tests', 'sdl_audio_mix.c')).read()))
+
+      # use closure to check for a possible bug with closure minifying away newer Audio() attributes
+      Popen([PYTHON, EMCC, '-O2', '--minify', '0', os.path.join(self.get_dir(), 'sdl_audio_mix.c'), '--preload-file', 'sound.ogg', '--preload-file', 'music.ogg', '-o', 'page.html']).communicate()
+      self.run_browser('page.html', '', '/report_result?1')
+
     def test_sdl_audio_quickload(self):
       open(os.path.join(self.get_dir(), 'sdl_audio_quickload.c'), 'w').write(self.with_report_result(open(path_from_root('tests', 'sdl_audio_quickload.c')).read()))
 
diff --git a/tests/sdl_audio_mix.c b/tests/sdl_audio_mix.c
new file mode 100644
index 00000000..e3431e0c
--- /dev/null
+++ b/tests/sdl_audio_mix.c
@@ -0,0 +1,83 @@
+#include <stdio.h>
+#include <SDL/SDL.h>
+#include <SDL/SDL_mixer.h>
+#include <assert.h>
+#include <emscripten.h>
+
+static Mix_Chunk *sound = NULL;
+static Mix_Music *music = NULL;
+
+static int soundChannel = 0;
+
+void one_iter();
+void one_iter() {
+  static int frames = 0;
+  frames++;
+  
+  switch( frames ) {
+    case 1:
+      soundChannel = Mix_PlayChannel(-1, sound, 0);
+      printf("channel = %d", soundChannel);
+      assert(soundChannel != -1 && soundChannel != 0);
+      break;
+    case 2:
+      printf("channel %d is playing = %d", soundChannel, Mix_Playing(soundChannel));
+      assert(Mix_Playing(soundChannel));
+      break;
+    case 30:
+      Mix_Pause(soundChannel);
+      Mix_PlayMusic(music, 1);
+      break;
+    case 31:
+      assert(Mix_Paused(soundChannel));
+      assert(Mix_PlayingMusic());
+      break;
+    case 60:
+      Mix_Resume(soundChannel);
+      Mix_PauseMusic();
+      break;
+    case 61:
+      assert(Mix_Playing(soundChannel));
+      assert(Mix_PausedMusic());
+      break;
+    case 90:
+      Mix_ResumeMusic();
+      break;
+    case 91:
+      assert(Mix_PlayingMusic());
+      break;
+    case 120:
+      Mix_HaltChannel(soundChannel);
+      Mix_HaltMusic();
+      break;
+  };
+}
+
+
+int main(int argc, char **argv) {
+  SDL_Init(SDL_INIT_AUDIO);
+  Mix_Init(MIX_INIT_OGG);
+  
+  // This reserves channel 0 for other purposes.
+  // We are just going to verify that we are not
+  // allocated channel 0 when we call Mix_PlayChannel(-1, ...)
+  Mix_ReserveChannels(1);
+  
+  int ret = Mix_OpenAudio(0, 0, 0, 0); // we ignore all these..
+  assert(ret == 0);
+
+  sound = Mix_LoadWAV("sound.ogg");
+  assert(sound);
+  music = Mix_LoadMUS("music.ogg");
+  assert(music);
+
+  emscripten_set_main_loop(one_iter, 30, 0);
+
+  // force a quit
+  while(Mix_Init(0))
+    Mix_Quit();
+  Mix_CloseAudio();
+
+  return 0;
+}
+
diff --git a/tests/sounds/pluck.ogg b/tests/sounds/pluck.ogg
new file mode 100644
index 00000000..20f7b854
--- /dev/null
+++ b/tests/sounds/pluck.ogg
diff --git a/tests/sounds/the_entertainer.ogg b/tests/sounds/the_entertainer.ogg
new file mode 100644
index 00000000..249e74f7
--- /dev/null
+++ b/tests/sounds/the_entertainer.ogg