- Removed volume per channel

- [NEW] JA_SetSoundVolume sets volume for all sound effects
- [NEW] JA_SetMusicVolume sets volume for the music
- JA_SetVolume works as always: sets volume for both, with sounds volume halved.

jail_audio.h

@@ -16,6 +16,7 @@ void JA_PauseMusic();
 void JA_ResumeMusic();
 void JA_StopMusic();
 int JA_SetVolume(int volume);
+int JA_SetMusicVolume(int volume);
 JA_Music_state JA_GetMusicState();
 void JA_DeleteMusic(JA_Music music);
 
@@ -23,10 +24,10 @@ JA_Sound JA_NewSound(Uint8* buffer, Uint32 length);
 JA_Sound JA_LoadSound(const char* filename);
 int JA_PlaySound(JA_Sound sound, const int loop = 0);
 void JA_DeleteSound(JA_Sound sound);
+int JA_SetSoundVolume(int volume);
 
 void JA_PauseChannel(const int channel);
 void JA_ResumeChannel(const int channel);
 void JA_StopChannel(const int channel);
 JA_Channel_state JA_GetChannelState(const int channel);
-int JA_SetChannelVolume(const int channel, int volume);