music.c
author Sam Lantinga <slouken@libsdl.org>
Sat, 02 Jan 2016 10:46:07 -0800
changeset 711 f40c5ac95b12
parent 687 3af92aa761d2
child 718 fb0562cc1559
permissions -rw-r--r--
Updated copyright to 2016
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/*
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  SDL_mixer:  An audio mixer library based on the SDL library
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  Copyright (C) 1997-2016 Sam Lantinga <slouken@libsdl.org>
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  This software is provided 'as-is', without any express or implied
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  warranty.  In no event will the authors be held liable for any damages
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  arising from the use of this software.
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  Permission is granted to anyone to use this software for any purpose,
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  including commercial applications, and to alter it and redistribute it
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  freely, subject to the following restrictions:
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  1. The origin of this software must not be misrepresented; you must not
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     claim that you wrote the original software. If you use this software
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     in a product, an acknowledgment in the product documentation would be
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     appreciated but is not required.
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  2. Altered source versions must be plainly marked as such, and must not be
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     misrepresented as being the original software.
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  3. This notice may not be removed or altered from any source distribution.
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*/
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/* $Id$ */
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#include <stdlib.h>
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#include <string.h>
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#include <ctype.h>
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#include <assert.h>
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#include "SDL_endian.h"
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#include "SDL_audio.h"
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#include "SDL_timer.h"
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#include "SDL_mixer.h"
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#ifdef CMD_MUSIC
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#include "music_cmd.h"
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#endif
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#ifdef WAV_MUSIC
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#include "wavestream.h"
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#endif
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#ifdef MODPLUG_MUSIC
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#include "music_modplug.h"
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#endif
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#ifdef MOD_MUSIC
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#include "music_mod.h"
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#endif
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#ifdef MID_MUSIC
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#  ifdef USE_TIMIDITY_MIDI
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#    include "timidity.h"
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#  endif
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#  ifdef USE_FLUIDSYNTH_MIDI
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#    include "fluidsynth.h"
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#  endif
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#  ifdef USE_NATIVE_MIDI
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#    include "native_midi.h"
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#  endif
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#endif
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#ifdef OGG_MUSIC
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#include "music_ogg.h"
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#endif
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#ifdef MP3_MUSIC
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#include "dynamic_mp3.h"
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#endif
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#ifdef MP3_MAD_MUSIC
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#include "music_mad.h"
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#endif
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#ifdef FLAC_MUSIC
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#include "music_flac.h"
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#endif
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#if defined(MP3_MUSIC) || defined(MP3_MAD_MUSIC)
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static SDL_AudioSpec used_mixer;
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#endif
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int volatile music_active = 1;
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static int volatile music_stopped = 0;
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static int music_loops = 0;
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static char *music_cmd = NULL;
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static Mix_Music * volatile music_playing = NULL;
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static int music_volume = MIX_MAX_VOLUME;
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struct _Mix_Music {
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    Mix_MusicType type;
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    union {
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#ifdef CMD_MUSIC
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        MusicCMD *cmd;
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#endif
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#ifdef WAV_MUSIC
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        WAVStream *wave;
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#endif
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#ifdef MODPLUG_MUSIC
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        modplug_data *modplug;
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#endif
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#ifdef MOD_MUSIC
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        struct MODULE *module;
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#endif
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#ifdef MID_MUSIC
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#ifdef USE_TIMIDITY_MIDI
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        MidiSong *midi;
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#endif
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#ifdef USE_FLUIDSYNTH_MIDI
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        FluidSynthMidiSong *fluidsynthmidi;
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#endif
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#ifdef USE_NATIVE_MIDI
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        NativeMidiSong *nativemidi;
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#endif
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#endif
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#ifdef OGG_MUSIC
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        OGG_music *ogg;
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#endif
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#ifdef MP3_MUSIC
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        SMPEG *mp3;
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#endif
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#ifdef MP3_MAD_MUSIC
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        mad_data *mp3_mad;
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#endif
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#ifdef FLAC_MUSIC
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        FLAC_music *flac;
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#endif
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    } data;
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    Mix_Fading fading;
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    int fade_step;
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    int fade_steps;
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    int error;
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};
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#ifdef MID_MUSIC
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#ifdef USE_TIMIDITY_MIDI
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static int timidity_ok;
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static int samplesize;
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#endif
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#ifdef USE_FLUIDSYNTH_MIDI
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static int fluidsynth_ok;
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#endif
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#ifdef USE_NATIVE_MIDI
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static int native_midi_ok;
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#endif
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#endif
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/* Used to calculate fading steps */
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static int ms_per_step;
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/* rcg06042009 report available decoders at runtime. */
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static const char **music_decoders = NULL;
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static int num_decoders = 0;
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/* Semicolon-separated SoundFont paths */
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#ifdef MID_MUSIC
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char* soundfont_paths = NULL;
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#endif
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int Mix_GetNumMusicDecoders(void)
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{
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    return(num_decoders);
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}
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const char *Mix_GetMusicDecoder(int index)
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{
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    if ((index < 0) || (index >= num_decoders)) {
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        return NULL;
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    }
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    return(music_decoders[index]);
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}
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static void add_music_decoder(const char *decoder)
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{
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    void *ptr = SDL_realloc((void *)music_decoders, (num_decoders + 1) * sizeof (const char *));
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    if (ptr == NULL) {
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        return;  /* oh well, go on without it. */
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    }
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    music_decoders = (const char **) ptr;
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    music_decoders[num_decoders++] = decoder;
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}
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/* Local low-level functions prototypes */
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static void music_internal_initialize_volume(void);
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static void music_internal_volume(int volume);
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static int  music_internal_play(Mix_Music *music, double position);
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static int  music_internal_position(double position);
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static int  music_internal_playing();
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static void music_internal_halt(void);
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/* Support for hooking when the music has finished */
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static void (*music_finished_hook)(void) = NULL;
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void Mix_HookMusicFinished(void (*music_finished)(void))
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{
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    SDL_LockAudio();
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    music_finished_hook = music_finished;
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    SDL_UnlockAudio();
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}
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/* If music isn't playing, halt it if no looping is required, restart it */
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/* othesrchise. NOP if the music is playing */
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static int music_halt_or_loop (void)
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{
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    /* Restart music if it has to loop */
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    if (!music_internal_playing())
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    {
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#ifdef USE_NATIVE_MIDI
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        /* Native MIDI handles looping internally */
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        if (music_playing->type == MUS_MID && native_midi_ok) {
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            music_loops = 0;
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        }
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#endif
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        /* Restart music if it has to loop at a high level */
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        if (music_loops)
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        {
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            Mix_Fading current_fade;
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            if (music_loops > 0) {
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                --music_loops;
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            }
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            current_fade = music_playing->fading;
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            music_internal_play(music_playing, 0.0);
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            music_playing->fading = current_fade;
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        }
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        else
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        {
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            music_internal_halt();
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            if (music_finished_hook)
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                music_finished_hook();
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            return 0;
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        }
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    }
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    return 1;
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}
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/* Mixing function */
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void music_mixer(void *udata, Uint8 *stream, int len)
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{
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    int left = 0;
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    if ( music_playing && music_active ) {
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        /* Handle fading */
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        if ( music_playing->fading != MIX_NO_FADING ) {
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            if ( music_playing->fade_step++ < music_playing->fade_steps ) {
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                int volume;
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                int fade_step = music_playing->fade_step;
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                int fade_steps = music_playing->fade_steps;
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                if ( music_playing->fading == MIX_FADING_OUT ) {
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                    volume = (music_volume * (fade_steps-fade_step)) / fade_steps;
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                } else { /* Fading in */
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                    volume = (music_volume * fade_step) / fade_steps;
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                }
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                music_internal_volume(volume);
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            } else {
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                if ( music_playing->fading == MIX_FADING_OUT ) {
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                    music_internal_halt();
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                    if ( music_finished_hook ) {
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                        music_finished_hook();
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                    }
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                    return;
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                }
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                music_playing->fading = MIX_NO_FADING;
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            }
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        }
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        music_halt_or_loop();
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        if (!music_internal_playing())
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            return;
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        switch (music_playing->type) {
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#ifdef CMD_MUSIC
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            case MUS_CMD:
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                /* The playing is done externally */
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                break;
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#endif
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#ifdef WAV_MUSIC
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            case MUS_WAV:
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                left = WAVStream_PlaySome(stream, len);
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                break;
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#endif
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#ifdef MODPLUG_MUSIC
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            case MUS_MODPLUG:
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                left = modplug_playAudio(music_playing->data.modplug, stream, len);
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                break;
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#endif
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#ifdef MOD_MUSIC
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            case MUS_MOD:
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                left = MOD_playAudio(music_playing->data.module, stream, len);
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                break;
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#endif
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#ifdef MID_MUSIC
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            case MUS_MID:
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#ifdef USE_NATIVE_MIDI
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                if ( native_midi_ok ) {
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                    /* Native midi is handled asynchronously */
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                    goto skip;
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                }
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#endif
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#ifdef USE_FLUIDSYNTH_MIDI
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                if ( fluidsynth_ok ) {
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                    fluidsynth_playsome(music_playing->data.fluidsynthmidi, stream, len);
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                    goto skip;
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                }
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#endif
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#ifdef USE_TIMIDITY_MIDI
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                if ( timidity_ok ) {
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                    int samples = len / samplesize;
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                    Timidity_PlaySome(stream, samples);
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                    goto skip;
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                }
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#endif
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                break;
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#endif
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#ifdef OGG_MUSIC
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            case MUS_OGG:
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                left = OGG_playAudio(music_playing->data.ogg, stream, len);
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                break;
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#endif
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#ifdef FLAC_MUSIC
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            case MUS_FLAC:
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                left = FLAC_playAudio(music_playing->data.flac, stream, len);
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                break;
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#endif
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#ifdef MP3_MUSIC
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            case MUS_MP3:
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                left = (len - smpeg.SMPEG_playAudio(music_playing->data.mp3, stream, len));
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                break;
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#endif
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#ifdef MP3_MAD_MUSIC
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            case MUS_MP3_MAD:
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                left = mad_getSamples(music_playing->data.mp3_mad, stream, len);
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                break;
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#endif
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            default:
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                /* Unknown music type?? */
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                break;
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        }
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    }
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skip:
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    /* Handle seamless music looping */
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    if (left > 0 && left < len) {
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        music_halt_or_loop();
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   345
        if (music_internal_playing())
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            music_mixer(udata, stream+(len-left), left);
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    }
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   348
}
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   350
/* Initialize the music players with a certain desired audio format */
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   351
int open_music(SDL_AudioSpec *mixer)
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   352
{
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   353
#ifdef WAV_MUSIC
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   354
    if ( WAVStream_Init(mixer) == 0 ) {
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   355
        add_music_decoder("WAVE");
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   356
    }
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   357
#endif
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   358
#ifdef MODPLUG_MUSIC
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   359
    if ( modplug_init(mixer) == 0 ) {
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   360
        add_music_decoder("MODPLUG");
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   361
    }
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   362
#endif
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   363
#ifdef MOD_MUSIC
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   364
    if ( MOD_init(mixer) == 0 ) {
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   365
        add_music_decoder("MIKMOD");
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   366
    }
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   367
#endif
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   368
#ifdef MID_MUSIC
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   369
#ifdef USE_TIMIDITY_MIDI
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    samplesize = mixer->size / mixer->samples;
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   371
    if ( Timidity_Init(mixer->freq, mixer->format,
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   372
                        mixer->channels, mixer->samples) == 0 ) {
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   373
        timidity_ok = 1;
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   374
        add_music_decoder("TIMIDITY");
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   375
    } else {
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   376
        timidity_ok = 0;
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   377
    }
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#endif
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#ifdef USE_FLUIDSYNTH_MIDI
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   380
    if ( fluidsynth_init(mixer) == 0 ) {
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   381
        fluidsynth_ok = 1;
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   382
        add_music_decoder("FLUIDSYNTH");
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   383
    } else {
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   384
        fluidsynth_ok = 0;
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   385
    }
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   386
#endif
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   387
#ifdef USE_NATIVE_MIDI
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   388
#ifdef USE_FLUIDSYNTH_MIDI
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   389
    native_midi_ok = !fluidsynth_ok;
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   390
    if ( native_midi_ok )
chewi@506
   391
#endif
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   392
#ifdef USE_TIMIDITY_MIDI
slouken@616
   393
        native_midi_ok = !timidity_ok;
slouken@616
   394
    if ( !native_midi_ok ) {
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   395
        native_midi_ok = (getenv("SDL_NATIVE_MUSIC") != NULL);
slouken@616
   396
    }
slouken@616
   397
    if ( native_midi_ok )
slouken@106
   398
#endif
slouken@616
   399
        native_midi_ok = native_midi_detect();
slouken@616
   400
    if ( native_midi_ok )
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   401
        add_music_decoder("NATIVEMIDI");
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   402
#endif
slouken@0
   403
#endif
slouken@63
   404
#ifdef OGG_MUSIC
slouken@616
   405
    if ( OGG_init(mixer) == 0 ) {
slouken@616
   406
        add_music_decoder("OGG");
slouken@616
   407
    }
slouken@63
   408
#endif
slouken@382
   409
#ifdef FLAC_MUSIC
slouken@616
   410
    if ( FLAC_init(mixer) == 0 ) {
slouken@616
   411
        add_music_decoder("FLAC");
slouken@616
   412
    }
slouken@382
   413
#endif
slouken@357
   414
#if defined(MP3_MUSIC) || defined(MP3_MAD_MUSIC)
slouken@616
   415
    /* Keep a copy of the mixer */
slouken@616
   416
    used_mixer = *mixer;
slouken@616
   417
    add_music_decoder("MP3");
slouken@0
   418
#endif
icculus@390
   419
slouken@616
   420
    music_playing = NULL;
slouken@616
   421
    music_stopped = 0;
slouken@616
   422
    Mix_VolumeMusic(SDL_MIX_MAXVOLUME);
slouken@0
   423
slouken@616
   424
    /* Calculate the number of ms for each callback */
slouken@616
   425
    ms_per_step = (int) (((float)mixer->samples * 1000.0) / mixer->freq);
slouken@17
   426
slouken@616
   427
    return(0);
slouken@0
   428
}
slouken@0
   429
slouken@125
   430
/* Portable case-insensitive string compare function */
slouken@125
   431
int MIX_string_equals(const char *str1, const char *str2)
slouken@125
   432
{
slouken@616
   433
    while ( *str1 && *str2 ) {
slouken@616
   434
        if ( toupper((unsigned char)*str1) !=
slouken@616
   435
             toupper((unsigned char)*str2) )
slouken@616
   436
            break;
slouken@616
   437
        ++str1;
slouken@616
   438
        ++str2;
slouken@616
   439
    }
slouken@616
   440
    return (!*str1 && !*str2);
slouken@125
   441
}
slouken@125
   442
slouken@542
   443
static int detect_mp3(Uint8 *magic)
slouken@542
   444
{
slouken@616
   445
    if ( strncmp((char *)magic, "ID3", 3) == 0 ) {
slouken@616
   446
        return 1;
slouken@616
   447
    }
slouken@542
   448
slouken@616
   449
    /* Detection code lifted from SMPEG */
slouken@616
   450
    if(((magic[0] & 0xff) != 0xff) || // No sync bits
slouken@616
   451
       ((magic[1] & 0xf0) != 0xf0) || //
slouken@616
   452
       ((magic[2] & 0xf0) == 0x00) || // Bitrate is 0
slouken@616
   453
       ((magic[2] & 0xf0) == 0xf0) || // Bitrate is 15
slouken@616
   454
       ((magic[2] & 0x0c) == 0x0c) || // Frequency is 3
slouken@616
   455
       ((magic[1] & 0x06) == 0x00)) { // Layer is 4
slouken@616
   456
        return(0);
slouken@616
   457
    }
slouken@616
   458
    return 1;
slouken@542
   459
}
slouken@542
   460
slouken@542
   461
/* MUS_MOD can't be auto-detected. If no other format was detected, MOD is
slouken@542
   462
 * assumed and MUS_MOD will be returned, meaning that the format might not
slouken@542
   463
 * actually be MOD-based.
slouken@542
   464
 *
slouken@542
   465
 * Returns MUS_NONE in case of errors. */
slouken@625
   466
static Mix_MusicType detect_music_type(SDL_RWops *src)
slouken@542
   467
{
slouken@616
   468
    Uint8 magic[5];
slouken@616
   469
    Uint8 moremagic[9];
slouken@542
   470
slouken@625
   471
    Sint64 start = SDL_RWtell(src);
slouken@625
   472
    if (SDL_RWread(src, magic, 1, 4) != 4 || SDL_RWread(src, moremagic, 1, 8) != 8 ) {
slouken@616
   473
        Mix_SetError("Couldn't read from RWops");
slouken@616
   474
        return MUS_NONE;
slouken@616
   475
    }
slouken@625
   476
    SDL_RWseek(src, start, RW_SEEK_SET);
slouken@616
   477
    magic[4]='\0';
slouken@616
   478
    moremagic[8] = '\0';
slouken@542
   479
slouken@616
   480
    /* WAVE files have the magic four bytes "RIFF"
slouken@616
   481
       AIFF files have the magic 12 bytes "FORM" XXXX "AIFF" */
slouken@616
   482
    if (((strcmp((char *)magic, "RIFF") == 0) && (strcmp((char *)(moremagic+4), "WAVE") == 0)) ||
slouken@616
   483
        (strcmp((char *)magic, "FORM") == 0)) {
slouken@616
   484
        return MUS_WAV;
slouken@616
   485
    }
slouken@542
   486
slouken@616
   487
    /* Ogg Vorbis files have the magic four bytes "OggS" */
slouken@616
   488
    if (strcmp((char *)magic, "OggS") == 0) {
slouken@616
   489
        return MUS_OGG;
slouken@616
   490
    }
slouken@542
   491
slouken@616
   492
    /* FLAC files have the magic four bytes "fLaC" */
slouken@616
   493
    if (strcmp((char *)magic, "fLaC") == 0) {
slouken@616
   494
        return MUS_FLAC;
slouken@616
   495
    }
slouken@542
   496
slouken@616
   497
    /* MIDI files have the magic four bytes "MThd" */
slouken@616
   498
    if (strcmp((char *)magic, "MThd") == 0) {
slouken@616
   499
        return MUS_MID;
slouken@616
   500
    }
slouken@542
   501
slouken@616
   502
    if (detect_mp3(magic)) {
slouken@616
   503
        return MUS_MP3;
slouken@616
   504
    }
slouken@542
   505
slouken@616
   506
    /* Assume MOD format.
slouken@616
   507
     *
slouken@616
   508
     * Apparently there is no way to check if the file is really a MOD,
slouken@616
   509
     * or there are too many formats supported by MikMod/ModPlug, or
slouken@616
   510
     * MikMod/ModPlug does this check by itself. */
slouken@616
   511
    return MUS_MOD;
slouken@542
   512
}
slouken@542
   513
slouken@0
   514
/* Load a music file */
slouken@0
   515
Mix_Music *Mix_LoadMUS(const char *file)
slouken@0
   516
{
slouken@625
   517
    SDL_RWops *src;
slouken@616
   518
    Mix_Music *music;
slouken@616
   519
    Mix_MusicType type;
slouken@616
   520
    char *ext = strrchr(file, '.');
slouken@542
   521
slouken@542
   522
#ifdef CMD_MUSIC
slouken@616
   523
    if ( music_cmd ) {
slouken@616
   524
        /* Allocate memory for the music structure */
slouken@616
   525
        music = (Mix_Music *)SDL_malloc(sizeof(Mix_Music));
slouken@616
   526
        if ( music == NULL ) {
slouken@616
   527
            Mix_SetError("Out of memory");
slouken@616
   528
            return(NULL);
slouken@616
   529
        }
slouken@616
   530
        music->error = 0;
slouken@616
   531
        music->type = MUS_CMD;
slouken@616
   532
        music->data.cmd = MusicCMD_LoadSong(music_cmd, file);
slouken@616
   533
        if ( music->data.cmd == NULL ) {
slouken@616
   534
            SDL_free(music);
slouken@616
   535
            music = NULL;
slouken@616
   536
        }
slouken@616
   537
        return music;
slouken@616
   538
    }
slouken@542
   539
#endif
slouken@542
   540
slouken@625
   541
    src = SDL_RWFromFile(file, "rb");
slouken@625
   542
    if ( src == NULL ) {
slouken@616
   543
        Mix_SetError("Couldn't open '%s'", file);
slouken@616
   544
        return NULL;
slouken@616
   545
    }
slouken@542
   546
slouken@616
   547
    /* Use the extension as a first guess on the file type */
slouken@616
   548
    type = MUS_NONE;
slouken@616
   549
    ext = strrchr(file, '.');
slouken@616
   550
    /* No need to guard these with #ifdef *_MUSIC stuff,
slouken@616
   551
     * since we simply call Mix_LoadMUSType_RW() later */
slouken@616
   552
    if ( ext ) {
slouken@616
   553
        ++ext; /* skip the dot in the extension */
slouken@616
   554
        if ( MIX_string_equals(ext, "WAV") ) {
slouken@616
   555
            type = MUS_WAV;
slouken@616
   556
        } else if ( MIX_string_equals(ext, "MID") ||
slouken@616
   557
                    MIX_string_equals(ext, "MIDI") ||
slouken@616
   558
                    MIX_string_equals(ext, "KAR") ) {
slouken@616
   559
            type = MUS_MID;
slouken@616
   560
        } else if ( MIX_string_equals(ext, "OGG") ) {
slouken@616
   561
            type = MUS_OGG;
slouken@616
   562
        } else if ( MIX_string_equals(ext, "FLAC") ) {
slouken@616
   563
            type = MUS_FLAC;
slouken@616
   564
        } else  if ( MIX_string_equals(ext, "MPG") ||
slouken@616
   565
                     MIX_string_equals(ext, "MPEG") ||
slouken@616
   566
                     MIX_string_equals(ext, "MP3") ||
slouken@616
   567
                     MIX_string_equals(ext, "MAD") ) {
slouken@616
   568
            type = MUS_MP3;
slouken@616
   569
        }
slouken@616
   570
    }
slouken@616
   571
    if ( type == MUS_NONE ) {
slouken@625
   572
        type = detect_music_type(src);
slouken@616
   573
    }
slouken@542
   574
slouken@616
   575
    /* We need to know if a specific error occurs; if not, we'll set a
slouken@616
   576
     * generic one, so we clear the current one. */
slouken@687
   577
    SDL_ClearError();
slouken@625
   578
    music = Mix_LoadMUSType_RW(src, type, SDL_TRUE);
slouken@616
   579
    if ( music == NULL && Mix_GetError()[0] == '\0' ) {
slouken@629
   580
        Mix_SetError("Unrecognized music format");
slouken@616
   581
    }
slouken@616
   582
    return music;
slouken@542
   583
}
slouken@542
   584
slouken@625
   585
Mix_Music *Mix_LoadMUS_RW(SDL_RWops *src, int freesrc)
slouken@542
   586
{
slouken@625
   587
    return Mix_LoadMUSType_RW(src, MUS_NONE, freesrc);
slouken@542
   588
}
slouken@542
   589
slouken@625
   590
Mix_Music *Mix_LoadMUSType_RW(SDL_RWops *src, Mix_MusicType type, int freesrc)
slouken@542
   591
{
slouken@616
   592
    Mix_Music *music;
slouken@625
   593
    Sint64 start;
slouken@0
   594
slouken@625
   595
    if (!src) {
slouken@616
   596
        Mix_SetError("RWops pointer is NULL");
slouken@616
   597
        return NULL;
slouken@616
   598
    }
slouken@625
   599
    start = SDL_RWtell(src);
slouken@542
   600
slouken@616
   601
    /* If the caller wants auto-detection, figure out what kind of file
slouken@616
   602
     * this is. */
slouken@616
   603
    if (type == MUS_NONE) {
slouken@625
   604
        if ((type = detect_music_type(src)) == MUS_NONE) {
slouken@616
   605
            /* Don't call Mix_SetError() here since detect_music_type()
slouken@616
   606
             * does that. */
slouken@625
   607
            if (freesrc) {
slouken@625
   608
                SDL_RWclose(src);
slouken@625
   609
            }
slouken@616
   610
            return NULL;
slouken@616
   611
        }
slouken@616
   612
    }
slouken@125
   613
slouken@616
   614
    /* Allocate memory for the music structure */
slouken@616
   615
    music = (Mix_Music *)SDL_malloc(sizeof(Mix_Music));
slouken@616
   616
    if (music == NULL ) {
slouken@616
   617
        Mix_SetError("Out of memory");
slouken@625
   618
        if (freesrc) {
slouken@625
   619
            SDL_RWclose(src);
slouken@625
   620
        }
slouken@616
   621
        return NULL;
slouken@616
   622
    }
slouken@625
   623
    music->error = 1;
slouken@0
   624
slouken@616
   625
    switch (type) {
slouken@542
   626
#ifdef WAV_MUSIC
slouken@616
   627
    case MUS_WAV:
slouken@625
   628
        music->type = MUS_WAV;
slouken@625
   629
        music->data.wave = WAVStream_LoadSong_RW(src, freesrc);
slouken@625
   630
        if (music->data.wave) {
slouken@625
   631
            music->error = 0;
slouken@616
   632
        }
slouken@616
   633
        break;
slouken@0
   634
#endif
slouken@542
   635
#ifdef OGG_MUSIC
slouken@616
   636
    case MUS_OGG:
slouken@616
   637
        music->type = MUS_OGG;
slouken@625
   638
        music->data.ogg = OGG_new_RW(src, freesrc);
slouken@625
   639
        if (music->data.ogg) {
slouken@625
   640
            music->error = 0;
slouken@616
   641
        }
slouken@616
   642
        break;
slouken@542
   643
#endif
slouken@542
   644
#ifdef FLAC_MUSIC
slouken@616
   645
    case MUS_FLAC:
slouken@616
   646
        music->type = MUS_FLAC;
slouken@625
   647
        music->data.flac = FLAC_new_RW(src, freesrc);
slouken@625
   648
        if (music->data.flac) {
slouken@625
   649
            music->error = 0;
slouken@616
   650
        }
slouken@616
   651
        break;
slouken@542
   652
#endif
slouken@542
   653
#ifdef MP3_MUSIC
slouken@616
   654
    case MUS_MP3:
slouken@625
   655
        if (Mix_Init(MIX_INIT_MP3)) {
slouken@616
   656
            SMPEG_Info info;
slouken@616
   657
            music->type = MUS_MP3;
slouken@625
   658
            music->data.mp3 = smpeg.SMPEG_new_rwops(src, &info, freesrc, 0);
slouken@625
   659
            if (!info.has_audio) {
slouken@616
   660
                Mix_SetError("MPEG file does not have any audio stream.");
slouken@625
   661
                smpeg.SMPEG_delete(music->data.mp3);
slouken@625
   662
                /* Deleting the MP3 closed the source if desired */
slouken@625
   663
                freesrc = SDL_FALSE;
slouken@616
   664
            } else {
slouken@616
   665
                smpeg.SMPEG_actualSpec(music->data.mp3, &used_mixer);
slouken@625
   666
                music->error = 0;
slouken@616
   667
            }
slouken@616
   668
        }
slouken@616
   669
        break;
slouken@542
   670
#elif defined(MP3_MAD_MUSIC)
slouken@616
   671
    case MUS_MP3:
slouken@616
   672
        music->type = MUS_MP3_MAD;
slouken@625
   673
        music->data.mp3_mad = mad_openFileRW(src, &used_mixer, freesrc);
slouken@625
   674
        if (music->data.mp3_mad) {
slouken@625
   675
            music->error = 0;
slouken@625
   676
        } else {
slouken@616
   677
            Mix_SetError("Could not initialize MPEG stream.");
slouken@616
   678
        }
slouken@616
   679
        break;
slouken@0
   680
#endif
slouken@0
   681
#ifdef MID_MUSIC
slouken@616
   682
    case MUS_MID:
slouken@616
   683
        music->type = MUS_MID;
slouken@98
   684
#ifdef USE_NATIVE_MIDI
slouken@625
   685
        if (native_midi_ok) {
slouken@625
   686
            SDL_RWseek(src, start, RW_SEEK_SET);
slouken@625
   687
            music->data.nativemidi = native_midi_loadsong_RW(src, freesrc);
slouken@625
   688
            if (music->data.nativemidi) {
slouken@625
   689
                music->error = 0;
slouken@625
   690
            } else {
slouken@616
   691
                Mix_SetError("%s", native_midi_error());
slouken@616
   692
            }
slouken@616
   693
            break;
slouken@616
   694
        }
chewi@506
   695
#endif
chewi@506
   696
#ifdef USE_FLUIDSYNTH_MIDI
slouken@625
   697
        if (fluidsynth_ok) {
slouken@625
   698
            SDL_RWseek(src, start, RW_SEEK_SET);
slouken@625
   699
            music->data.fluidsynthmidi = fluidsynth_loadsong_RW(src, freesrc);
slouken@625
   700
            if (music->data.fluidsynthmidi) {
slouken@625
   701
                music->error = 0;
slouken@616
   702
            }
slouken@616
   703
            break;
slouken@616
   704
        }
slouken@98
   705
#endif
slouken@106
   706
#ifdef USE_TIMIDITY_MIDI
slouken@625
   707
        if (timidity_ok) {
slouken@625
   708
            SDL_RWseek(src, start, RW_SEEK_SET);
slouken@625
   709
            music->data.midi = Timidity_LoadSong_RW(src, freesrc);
slouken@625
   710
            if (music->data.midi) {
slouken@625
   711
                music->error = 0;
slouken@625
   712
            } else {
slouken@616
   713
                Mix_SetError("%s", Timidity_Error());
slouken@616
   714
            }
slouken@616
   715
        } else {
slouken@616
   716
            Mix_SetError("%s", Timidity_Error());
slouken@616
   717
        }
slouken@106
   718
#endif
slouken@616
   719
        break;
slouken@0
   720
#endif
slouken@542
   721
#if defined(MODPLUG_MUSIC) || defined(MOD_MUSIC)
slouken@616
   722
    case MUS_MOD:
slouken@542
   723
#ifdef MODPLUG_MUSIC
slouken@625
   724
        if (music->error) {
slouken@625
   725
            SDL_RWseek(src, start, RW_SEEK_SET);
slouken@616
   726
            music->type = MUS_MODPLUG;
slouken@625
   727
            music->data.modplug = modplug_new_RW(src, freesrc);
slouken@625
   728
            if (music->data.modplug) {
slouken@616
   729
                music->error = 0;
slouken@616
   730
            }
slouken@616
   731
        }
slouken@481
   732
#endif
slouken@411
   733
#ifdef MOD_MUSIC
slouken@625
   734
        if (music->error) {
slouken@625
   735
            SDL_RWseek(src, start, RW_SEEK_SET);
slouken@616
   736
            music->type = MUS_MOD;
slouken@625
   737
            music->data.module = MOD_new_RW(src, freesrc);
slouken@625
   738
            if (music->data.module) {
slouken@616
   739
                music->error = 0;
slouken@616
   740
            }
slouken@616
   741
        }
slouken@0
   742
#endif
slouken@616
   743
        break;
slouken@542
   744
#endif
slouken@542
   745
slouken@616
   746
    default:
slouken@616
   747
        Mix_SetError("Unrecognized music format");
slouken@625
   748
        break;
slouken@616
   749
    } /* switch (want) */
chewi@506
   750
slouken@616
   751
    if (music->error) {
slouken@616
   752
        SDL_free(music);
slouken@625
   753
        if (freesrc) {
slouken@625
   754
            SDL_RWclose(src);
slouken@625
   755
        } else {
slouken@625
   756
            SDL_RWseek(src, start, RW_SEEK_SET);
slouken@625
   757
        }
slouken@625
   758
        music = NULL;
slouken@616
   759
    }
slouken@625
   760
    return music;
slouken@0
   761
}
slouken@0
   762
slouken@0
   763
/* Free a music chunk previously loaded */
slouken@0
   764
void Mix_FreeMusic(Mix_Music *music)
slouken@0
   765
{
slouken@616
   766
    if ( music ) {
slouken@616
   767
        /* Stop the music if it's currently playing */
slouken@616
   768
        SDL_LockAudio();
slouken@616
   769
        if ( music == music_playing ) {
slouken@616
   770
            /* Wait for any fade out to finish */
slouken@616
   771
            while ( music->fading == MIX_FADING_OUT ) {
slouken@616
   772
                SDL_UnlockAudio();
slouken@616
   773
                SDL_Delay(100);
slouken@616
   774
                SDL_LockAudio();
slouken@616
   775
            }
slouken@616
   776
            if ( music == music_playing ) {
slouken@616
   777
                music_internal_halt();
slouken@616
   778
            }
slouken@616
   779
        }
slouken@616
   780
        SDL_UnlockAudio();
slouken@616
   781
        switch (music->type) {
slouken@0
   782
#ifdef CMD_MUSIC
slouken@616
   783
            case MUS_CMD:
slouken@616
   784
                MusicCMD_FreeSong(music->data.cmd);
slouken@616
   785
                break;
slouken@0
   786
#endif
slouken@0
   787
#ifdef WAV_MUSIC
slouken@616
   788
            case MUS_WAV:
slouken@616
   789
                WAVStream_FreeSong(music->data.wave);
slouken@616
   790
                break;
slouken@0
   791
#endif
slouken@481
   792
#ifdef MODPLUG_MUSIC
slouken@616
   793
            case MUS_MODPLUG:
slouken@616
   794
                modplug_delete(music->data.modplug);
slouken@616
   795
                break;
slouken@481
   796
#endif
slouken@411
   797
#ifdef MOD_MUSIC
slouken@616
   798
            case MUS_MOD:
slouken@616
   799
                MOD_delete(music->data.module);
slouken@616
   800
                break;
slouken@0
   801
#endif
slouken@0
   802
#ifdef MID_MUSIC
slouken@616
   803
            case MUS_MID:
slouken@98
   804
#ifdef USE_NATIVE_MIDI
slouken@616
   805
                if ( native_midi_ok ) {
slouken@616
   806
                    native_midi_freesong(music->data.nativemidi);
slouken@616
   807
                    goto skip;
slouken@616
   808
                }
chewi@506
   809
#endif
chewi@506
   810
#ifdef USE_FLUIDSYNTH_MIDI
slouken@616
   811
                if ( fluidsynth_ok ) {
slouken@616
   812
                    fluidsynth_freesong(music->data.fluidsynthmidi);
slouken@616
   813
                    goto skip;
slouken@616
   814
                }
slouken@98
   815
#endif
slouken@106
   816
#ifdef USE_TIMIDITY_MIDI
slouken@616
   817
                if ( timidity_ok ) {
slouken@616
   818
                    Timidity_FreeSong(music->data.midi);
slouken@616
   819
                    goto skip;
slouken@616
   820
                }
slouken@106
   821
#endif
slouken@616
   822
                break;
slouken@0
   823
#endif
slouken@63
   824
#ifdef OGG_MUSIC
slouken@616
   825
            case MUS_OGG:
slouken@616
   826
                OGG_delete(music->data.ogg);
slouken@616
   827
                break;
slouken@63
   828
#endif
slouken@382
   829
#ifdef FLAC_MUSIC
slouken@616
   830
            case MUS_FLAC:
slouken@616
   831
                FLAC_delete(music->data.flac);
slouken@616
   832
                break;
slouken@382
   833
#endif
slouken@0
   834
#ifdef MP3_MUSIC
slouken@616
   835
            case MUS_MP3:
slouken@616
   836
                smpeg.SMPEG_delete(music->data.mp3);
slouken@616
   837
                break;
slouken@0
   838
#endif
slouken@357
   839
#ifdef MP3_MAD_MUSIC
slouken@616
   840
            case MUS_MP3_MAD:
slouken@616
   841
                mad_closeFile(music->data.mp3_mad);
slouken@616
   842
                break;
slouken@357
   843
#endif
slouken@616
   844
            default:
slouken@616
   845
                /* Unknown music type?? */
slouken@616
   846
                break;
slouken@616
   847
        }
chewi@506
   848
chewi@506
   849
    skip:
slouken@616
   850
        SDL_free(music);
slouken@616
   851
    }
slouken@0
   852
}
slouken@0
   853
slouken@177
   854
/* Find out the music format of a mixer music, or the currently playing
slouken@177
   855
   music, if 'music' is NULL.
slouken@177
   856
*/
slouken@177
   857
Mix_MusicType Mix_GetMusicType(const Mix_Music *music)
slouken@177
   858
{
slouken@616
   859
    Mix_MusicType type = MUS_NONE;
slouken@177
   860
slouken@616
   861
    if ( music ) {
slouken@616
   862
        type = music->type;
slouken@616
   863
    } else {
slouken@616
   864
        SDL_LockAudio();
slouken@616
   865
        if ( music_playing ) {
slouken@616
   866
            type = music_playing->type;
slouken@616
   867
        }
slouken@616
   868
        SDL_UnlockAudio();
slouken@616
   869
    }
slouken@616
   870
    return(type);
slouken@177
   871
}
slouken@177
   872
slouken@173
   873
/* Play a music chunk.  Returns 0, or -1 if there was an error.
slouken@173
   874
 */
slouken@173
   875
static int music_internal_play(Mix_Music *music, double position)
slouken@0
   876
{
slouken@616
   877
    int retval = 0;
megastep@10
   878
slouken@547
   879
#if defined(__MACOSX__) && defined(USE_NATIVE_MIDI)
slouken@616
   880
    /* This fixes a bug with native MIDI on Mac OS X, where you
slouken@616
   881
       can't really stop and restart MIDI from the audio callback.
slouken@616
   882
    */
slouken@616
   883
    if ( music == music_playing && music->type == MUS_MID && native_midi_ok ) {
slouken@616
   884
        /* Just a seek suffices to restart playing */
slouken@616
   885
        music_internal_position(position);
slouken@616
   886
        return 0;
slouken@616
   887
    }
slouken@531
   888
#endif
slouken@529
   889
slouken@616
   890
    /* Note the music we're playing */
slouken@616
   891
    if ( music_playing ) {
slouken@616
   892
        music_internal_halt();
slouken@616
   893
    }
slouken@616
   894
    music_playing = music;
slouken@173
   895
slouken@616
   896
    /* Set the initial volume */
slouken@616
   897
    if ( music->type != MUS_MOD ) {
slouken@616
   898
        music_internal_initialize_volume();
slouken@616
   899
    }
slouken@173
   900
slouken@616
   901
    /* Set up for playback */
slouken@616
   902
    switch (music->type) {
slouken@0
   903
#ifdef CMD_MUSIC
slouken@616
   904
        case MUS_CMD:
slouken@616
   905
        MusicCMD_Start(music->data.cmd);
slouken@616
   906
        break;
slouken@0
   907
#endif
slouken@0
   908
#ifdef WAV_MUSIC
slouken@616
   909
        case MUS_WAV:
slouken@616
   910
        WAVStream_Start(music->data.wave);
slouken@616
   911
        break;
slouken@0
   912
#endif
slouken@481
   913
#ifdef MODPLUG_MUSIC
slouken@616
   914
        case MUS_MODPLUG:
slouken@616
   915
        /* can't set volume until file is loaded, so finally set it now */
slouken@616
   916
        music_internal_initialize_volume();
slouken@616
   917
        modplug_play(music->data.modplug);
slouken@616
   918
        break;
slouken@481
   919
#endif
slouken@411
   920
#ifdef MOD_MUSIC
slouken@616
   921
        case MUS_MOD:
slouken@616
   922
        MOD_play(music->data.module);
slouken@616
   923
        /* Player_SetVolume() does nothing before Player_Start() */
slouken@616
   924
        music_internal_initialize_volume();
slouken@616
   925
        break;
slouken@0
   926
#endif
slouken@0
   927
#ifdef MID_MUSIC
slouken@616
   928
        case MUS_MID:
slouken@98
   929
#ifdef USE_NATIVE_MIDI
slouken@616
   930
        if ( native_midi_ok ) {
slouken@616
   931
            native_midi_start(music->data.nativemidi, music_loops);
slouken@616
   932
            goto skip;
slouken@616
   933
        }
chewi@506
   934
#endif
chewi@506
   935
#ifdef USE_FLUIDSYNTH_MIDI
slouken@616
   936
        if (fluidsynth_ok ) {
slouken@616
   937
            fluidsynth_start(music->data.fluidsynthmidi);
slouken@616
   938
            goto skip;
slouken@616
   939
        }
slouken@98
   940
#endif
slouken@106
   941
#ifdef USE_TIMIDITY_MIDI
slouken@616
   942
        if ( timidity_ok ) {
slouken@616
   943
            Timidity_Start(music->data.midi);
slouken@616
   944
            goto skip;
slouken@616
   945
        }
slouken@106
   946
#endif
slouken@616
   947
        break;
slouken@0
   948
#endif
slouken@63
   949
#ifdef OGG_MUSIC
slouken@616
   950
        case MUS_OGG:
slouken@616
   951
        OGG_play(music->data.ogg);
slouken@616
   952
        break;
slouken@63
   953
#endif
slouken@382
   954
#ifdef FLAC_MUSIC
slouken@616
   955
        case MUS_FLAC:
slouken@616
   956
        FLAC_play(music->data.flac);
slouken@616
   957
        break;
slouken@382
   958
#endif
slouken@0
   959
#ifdef MP3_MUSIC
slouken@616
   960
        case MUS_MP3:
slouken@616
   961
        smpeg.SMPEG_enableaudio(music->data.mp3,1);
slouken@616
   962
        smpeg.SMPEG_enablevideo(music->data.mp3,0);
slouken@616
   963
        smpeg.SMPEG_play(music_playing->data.mp3);
slouken@616
   964
        break;
slouken@0
   965
#endif
slouken@357
   966
#ifdef MP3_MAD_MUSIC
slouken@616
   967
        case MUS_MP3_MAD:
slouken@616
   968
        mad_start(music->data.mp3_mad);
slouken@616
   969
        break;
slouken@357
   970
#endif
slouken@616
   971
        default:
slouken@616
   972
        Mix_SetError("Can't play unknown music type");
slouken@616
   973
        retval = -1;
slouken@616
   974
        break;
slouken@616
   975
    }
slouken@173
   976
chewi@506
   977
skip:
slouken@616
   978
    /* Set the playback position, note any errors if an offset is used */
slouken@616
   979
    if ( retval == 0 ) {
slouken@616
   980
        if ( position > 0.0 ) {
slouken@616
   981
            if ( music_internal_position(position) < 0 ) {
slouken@616
   982
                Mix_SetError("Position not implemented for music type");
slouken@616
   983
                retval = -1;
slouken@616
   984
            }
slouken@616
   985
        } else {
slouken@616
   986
            music_internal_position(0.0);
slouken@616
   987
        }
slouken@616
   988
    }
slouken@173
   989
slouken@616
   990
    /* If the setup failed, we're not playing any music anymore */
slouken@616
   991
    if ( retval < 0 ) {
slouken@616
   992
        music_playing = NULL;
slouken@616
   993
    }
slouken@616
   994
    return(retval);
slouken@173
   995
}
slouken@173
   996
int Mix_FadeInMusicPos(Mix_Music *music, int loops, int ms, double position)
slouken@173
   997
{
slouken@616
   998
    int retval;
slouken@173
   999
slouken@616
  1000
    if ( ms_per_step == 0 ) {
slouken@616
  1001
        SDL_SetError("Audio device hasn't been opened");
slouken@616
  1002
        return(-1);
slouken@616
  1003
    }
slouken@499
  1004
slouken@616
  1005
    /* Don't play null pointers :-) */
slouken@616
  1006
    if ( music == NULL ) {
slouken@616
  1007
        Mix_SetError("music parameter was NULL");
slouken@616
  1008
        return(-1);
slouken@616
  1009
    }
slouken@173
  1010
slouken@616
  1011
    /* Setup the data */
slouken@616
  1012
    if ( ms ) {
slouken@616
  1013
        music->fading = MIX_FADING_IN;
slouken@616
  1014
    } else {
slouken@616
  1015
        music->fading = MIX_NO_FADING;
slouken@616
  1016
    }
slouken@616
  1017
    music->fade_step = 0;
slouken@616
  1018
    music->fade_steps = ms/ms_per_step;
slouken@173
  1019
slouken@616
  1020
    /* Play the puppy */
slouken@616
  1021
    SDL_LockAudio();
slouken@616
  1022
    /* If the current music is fading out, wait for the fade to complete */
slouken@616
  1023
    while ( music_playing && (music_playing->fading == MIX_FADING_OUT) ) {
slouken@616
  1024
        SDL_UnlockAudio();
slouken@616
  1025
        SDL_Delay(100);
slouken@616
  1026
        SDL_LockAudio();
slouken@616
  1027
    }
slouken@616
  1028
    music_active = 1;
slouken@616
  1029
    if (loops == 1) {
slouken@616
  1030
        /* Loop is the number of times to play the audio */
slouken@616
  1031
        loops = 0;
slouken@616
  1032
    }
slouken@616
  1033
    music_loops = loops;
slouken@616
  1034
    retval = music_internal_play(music, position);
slouken@616
  1035
    SDL_UnlockAudio();
slouken@173
  1036
slouken@616
  1037
    return(retval);
slouken@173
  1038
}
slouken@173
  1039
int Mix_FadeInMusic(Mix_Music *music, int loops, int ms)
slouken@173
  1040
{
slouken@616
  1041
    return Mix_FadeInMusicPos(music, loops, ms, 0.0);
slouken@173
  1042
}
slouken@173
  1043
int Mix_PlayMusic(Mix_Music *music, int loops)
slouken@173
  1044
{
slouken@616
  1045
    return Mix_FadeInMusicPos(music, loops, 0, 0.0);
megastep@10
  1046
}
megastep@10
  1047
slouken@173
  1048
/* Set the playing music position */
slouken@173
  1049
int music_internal_position(double position)
megastep@10
  1050
{
slouken@616
  1051
    int retval = 0;
slouken@173
  1052
slouken@616
  1053
    switch (music_playing->type) {
slouken@481
  1054
#ifdef MODPLUG_MUSIC
slouken@616
  1055
        case MUS_MODPLUG:
slouken@616
  1056
        modplug_jump_to_time(music_playing->data.modplug, position);
slouken@616
  1057
        break;
slouken@481
  1058
#endif
slouken@411
  1059
#ifdef MOD_MUSIC
slouken@616
  1060
        case MUS_MOD:
slouken@616
  1061
        MOD_jump_to_time(music_playing->data.module, position);
slouken@616
  1062
        break;
slouken@173
  1063
#endif
slouken@173
  1064
#ifdef OGG_MUSIC
slouken@616
  1065
        case MUS_OGG:
slouken@616
  1066
        OGG_jump_to_time(music_playing->data.ogg, position);
slouken@616
  1067
        break;
slouken@173
  1068
#endif
slouken@382
  1069
#ifdef FLAC_MUSIC
slouken@616
  1070
        case MUS_FLAC:
slouken@616
  1071
        FLAC_jump_to_time(music_playing->data.flac, position);
slouken@616
  1072
        break;
slouken@382
  1073
#endif
slouken@173
  1074
#ifdef MP3_MUSIC
slouken@616
  1075
        case MUS_MP3:
slouken@616
  1076
        smpeg.SMPEG_rewind(music_playing->data.mp3);
slouken@616
  1077
        smpeg.SMPEG_play(music_playing->data.mp3);
slouken@616
  1078
        if ( position > 0.0 ) {
slouken@616
  1079
            smpeg.SMPEG_skip(music_playing->data.mp3, (float)position);
slouken@616
  1080
        }
slouken@616
  1081
        break;
slouken@173
  1082
#endif
slouken@357
  1083
#ifdef MP3_MAD_MUSIC
slouken@616
  1084
        case MUS_MP3_MAD:
slouken@616
  1085
        mad_seek(music_playing->data.mp3_mad, position);
slouken@616
  1086
        break;
slouken@357
  1087
#endif
slouken@616
  1088
        default:
slouken@616
  1089
        /* TODO: Implement this for other music backends */
slouken@616
  1090
        retval = -1;
slouken@616
  1091
        break;
slouken@616
  1092
    }
slouken@616
  1093
    return(retval);
megastep@4
  1094
}
slouken@155
  1095
int Mix_SetMusicPosition(double position)
slouken@154
  1096
{
slouken@616
  1097
    int retval;
slouken@173
  1098
slouken@616
  1099
    SDL_LockAudio();
slouken@616
  1100
    if ( music_playing ) {
slouken@616
  1101
        retval = music_internal_position(position);
slouken@616
  1102
        if ( retval < 0 ) {
slouken@616
  1103
            Mix_SetError("Position not implemented for music type");
slouken@616
  1104
        }
slouken@616
  1105
    } else {
slouken@616
  1106
        Mix_SetError("Music isn't playing");
slouken@616
  1107
        retval = -1;
slouken@616
  1108
    }
slouken@616
  1109
    SDL_UnlockAudio();
slouken@154
  1110
slouken@616
  1111
    return(retval);
slouken@154
  1112
}
slouken@154
  1113
icculus@237
  1114
/* Set the music's initial volume */
icculus@237
  1115
static void music_internal_initialize_volume(void)
icculus@237
  1116
{
slouken@616
  1117
    if ( music_playing->fading == MIX_FADING_IN ) {
slouken@616
  1118
        music_internal_volume(0);
slouken@616
  1119
    } else {
slouken@616
  1120
        music_internal_volume(music_volume);
slouken@616
  1121
    }
icculus@237
  1122
}
icculus@237
  1123
slouken@0
  1124
/* Set the music volume */
slouken@173
  1125
static void music_internal_volume(int volume)
slouken@173
  1126
{
slouken@616
  1127
    switch (music_playing->type) {
slouken@173
  1128
#ifdef CMD_MUSIC
slouken@616
  1129
        case MUS_CMD:
slouken@616
  1130
        MusicCMD_SetVolume(volume);
slouken@616
  1131
        break;
slouken@173
  1132
#endif
slouken@173
  1133
#ifdef WAV_MUSIC
slouken@616
  1134
        case MUS_WAV:
slouken@616
  1135
        WAVStream_SetVolume(volume);
slouken@616
  1136
        break;
slouken@173
  1137
#endif
slouken@481
  1138
#ifdef MODPLUG_MUSIC
slouken@616
  1139
        case MUS_MODPLUG:
slouken@616
  1140
        modplug_setvolume(music_playing->data.modplug, volume);
slouken@616
  1141
        break;
slouken@481
  1142
#endif
slouken@411
  1143
#ifdef MOD_MUSIC
slouken@616
  1144
        case MUS_MOD:
slouken@616
  1145
        MOD_setvolume(music_playing->data.module, volume);
slouken@616
  1146
        break;
slouken@173
  1147
#endif
slouken@173
  1148
#ifdef MID_MUSIC
slouken@616
  1149
        case MUS_MID:
slouken@173
  1150
#ifdef USE_NATIVE_MIDI
slouken@616
  1151
        if ( native_midi_ok ) {
slouken@616
  1152
            native_midi_setvolume(volume);
slouken@616
  1153
            return;
slouken@616
  1154
        }
chewi@506
  1155
#endif
chewi@506
  1156
#ifdef USE_FLUIDSYNTH_MIDI
slouken@616
  1157
        if ( fluidsynth_ok ) {
slouken@616
  1158
            fluidsynth_setvolume(music_playing->data.fluidsynthmidi, volume);
slouken@616
  1159
            return;
slouken@616
  1160
        }
slouken@173
  1161
#endif
slouken@173
  1162
#ifdef USE_TIMIDITY_MIDI
slouken@616
  1163
        if ( timidity_ok ) {
slouken@616
  1164
            Timidity_SetVolume(volume);
slouken@616
  1165
            return;
slouken@616
  1166
        }
slouken@173
  1167
#endif
slouken@616
  1168
        break;
slouken@173
  1169
#endif
slouken@173
  1170
#ifdef OGG_MUSIC
slouken@616
  1171
        case MUS_OGG:
slouken@616
  1172
        OGG_setvolume(music_playing->data.ogg, volume);
slouken@616
  1173
        break;
slouken@173
  1174
#endif
slouken@382
  1175
#ifdef FLAC_MUSIC
slouken@616
  1176
        case MUS_FLAC:
slouken@616
  1177
        FLAC_setvolume(music_playing->data.flac, volume);
slouken@616
  1178
        break;
slouken@382
  1179
#endif
slouken@173
  1180
#ifdef MP3_MUSIC
slouken@616
  1181
        case MUS_MP3:
slouken@616
  1182
        smpeg.SMPEG_setvolume(music_playing->data.mp3,(int)(((float)volume/(float)MIX_MAX_VOLUME)*100.0));
slouken@616
  1183
        break;
slouken@173
  1184
#endif
slouken@357
  1185
#ifdef MP3_MAD_MUSIC
slouken@616
  1186
        case MUS_MP3_MAD:
slouken@616
  1187
        mad_setVolume(music_playing->data.mp3_mad, volume);
slouken@616
  1188
        break;
slouken@357
  1189
#endif
slouken@616
  1190
        default:
slouken@616
  1191
        /* Unknown music type?? */
slouken@616
  1192
        break;
slouken@616
  1193
    }
slouken@173
  1194
}
slouken@0
  1195
int Mix_VolumeMusic(int volume)
slouken@0
  1196
{
slouken@616
  1197
    int prev_volume;
slouken@0
  1198
slouken@616
  1199
    prev_volume = music_volume;
slouken@616
  1200
    if ( volume < 0 ) {
slouken@616
  1201
        return prev_volume;
slouken@616
  1202
    }
slouken@616
  1203
    if ( volume > SDL_MIX_MAXVOLUME ) {
slouken@616
  1204
        volume = SDL_MIX_MAXVOLUME;
slouken@616
  1205
    }
slouken@616
  1206
    music_volume = volume;
slouken@616
  1207
    SDL_LockAudio();
slouken@616
  1208
    if ( music_playing ) {
slouken@616
  1209
        music_internal_volume(music_volume);
slouken@616
  1210
    }
slouken@616
  1211
    SDL_UnlockAudio();
slouken@616
  1212
    return(prev_volume);
slouken@0
  1213
}
slouken@0
  1214
slouken@173
  1215
/* Halt playing of music */
slouken@173
  1216
static void music_internal_halt(void)
megastep@7
  1217
{
slouken@616
  1218
    switch (music_playing->type) {
megastep@7
  1219
#ifdef CMD_MUSIC
slouken@616
  1220
        case MUS_CMD:
slouken@616
  1221
        MusicCMD_Stop(music_playing->data.cmd);
slouken@616
  1222
        break;
megastep@7
  1223
#endif
megastep@7
  1224
#ifdef WAV_MUSIC
slouken@616
  1225
        case MUS_WAV:
slouken@616
  1226
        WAVStream_Stop();
slouken@616
  1227
        break;
megastep@7
  1228
#endif
slouken@481
  1229
#ifdef MODPLUG_MUSIC
slouken@616
  1230
        case MUS_MODPLUG:
slouken@616
  1231
        modplug_stop(music_playing->data.modplug);
slouken@616
  1232
        break;
slouken@481
  1233
#endif
slouken@411
  1234
#ifdef MOD_MUSIC
slouken@616
  1235
        case MUS_MOD:
slouken@616
  1236
        MOD_stop(music_playing->data.module);
slouken@616
  1237
        break;
megastep@7
  1238
#endif
megastep@7
  1239
#ifdef MID_MUSIC
slouken@616
  1240
        case MUS_MID:
slouken@98
  1241
#ifdef USE_NATIVE_MIDI
slouken@616
  1242
        if ( native_midi_ok ) {
slouken@616
  1243
            native_midi_stop();
slouken@616
  1244
            goto skip;
slouken@616
  1245
        }
chewi@506
  1246
#endif
chewi@506
  1247
#ifdef USE_FLUIDSYNTH_MIDI
slouken@616
  1248
        if ( fluidsynth_ok ) {
slouken@616
  1249
            fluidsynth_stop(music_playing->data.fluidsynthmidi);
slouken@616
  1250
            goto skip;
slouken@616
  1251
        }
slouken@98
  1252
#endif
slouken@106
  1253
#ifdef USE_TIMIDITY_MIDI
slouken@616
  1254
        if ( timidity_ok ) {
slouken@616
  1255
            Timidity_Stop();
slouken@616
  1256
            goto skip;
slouken@616
  1257
        }
slouken@106
  1258
#endif
slouken@616
  1259
        break;
megastep@7
  1260
#endif
slouken@63
  1261
#ifdef OGG_MUSIC
slouken@616
  1262
        case MUS_OGG:
slouken@616
  1263
        OGG_stop(music_playing->data.ogg);
slouken@616
  1264
        break;
slouken@63
  1265
#endif
slouken@382
  1266
#ifdef FLAC_MUSIC
slouken@616
  1267
        case MUS_FLAC:
slouken@616
  1268
        FLAC_stop(music_playing->data.flac);
slouken@616
  1269
        break;
slouken@382
  1270
#endif
megastep@7
  1271
#ifdef MP3_MUSIC
slouken@616
  1272
        case MUS_MP3:
slouken@616
  1273
        smpeg.SMPEG_stop(music_playing->data.mp3);
slouken@616
  1274
        break;
megastep@7
  1275
#endif
slouken@357
  1276
#ifdef MP3_MAD_MUSIC
slouken@616
  1277
        case MUS_MP3_MAD:
slouken@616
  1278
        mad_stop(music_playing->data.mp3_mad);
slouken@616
  1279
        break;
slouken@357
  1280
#endif
slouken@616
  1281
        default:
slouken@616
  1282
        /* Unknown music type?? */
slouken@616
  1283
        return;
slouken@616
  1284
    }
chewi@506
  1285
chewi@506
  1286
skip:
slouken@616
  1287
    music_playing->fading = MIX_NO_FADING;
slouken@616
  1288
    music_playing = NULL;
megastep@7
  1289
}
slouken@0
  1290
int Mix_HaltMusic(void)
slouken@0
  1291
{
slouken@616
  1292
    SDL_LockAudio();
slouken@616
  1293
    if ( music_playing ) {
slouken@616
  1294
        music_internal_halt();
slouken@616
  1295
        if ( music_finished_hook ) {
slouken@616
  1296
            music_finished_hook();
slouken@616
  1297
        }
slouken@616
  1298
    }
slouken@616
  1299
    SDL_UnlockAudio();
slouken@173
  1300
slouken@616
  1301
    return(0);
slouken@0
  1302
}
slouken@0
  1303
megastep@4
  1304
/* Progressively stop the music */
megastep@4
  1305
int Mix_FadeOutMusic(int ms)
megastep@4
  1306
{
slouken@616
  1307
    int retval = 0;
slouken@173
  1308
slouken@616
  1309
    if ( ms_per_step == 0 ) {
slouken@616
  1310
        SDL_SetError("Audio device hasn't been opened");
slouken@616
  1311
        return 0;
slouken@616
  1312
    }
slouken@499
  1313
slouken@616
  1314
    if (ms <= 0) {  /* just halt immediately. */
slouken@616
  1315
        Mix_HaltMusic();
slouken@616
  1316
        return 1;
slouken@616
  1317
    }
icculus@280
  1318
slouken@616
  1319
    SDL_LockAudio();
slouken@616
  1320
    if ( music_playing) {
icculus@280
  1321
                int fade_steps = (ms + ms_per_step - 1)/ms_per_step;
icculus@280
  1322
                if ( music_playing->fading == MIX_NO_FADING ) {
slouken@616
  1323
                music_playing->fade_step = 0;
icculus@280
  1324
                } else {
icculus@280
  1325
                        int step;
icculus@280
  1326
                        int old_fade_steps = music_playing->fade_steps;
icculus@280
  1327
                        if ( music_playing->fading == MIX_FADING_OUT ) {
icculus@280
  1328
                                step = music_playing->fade_step;
icculus@280
  1329
                        } else {
icculus@280
  1330
                                step = old_fade_steps
icculus@280
  1331
                                        - music_playing->fade_step + 1;
icculus@280
  1332
                        }
icculus@280
  1333
                        music_playing->fade_step = (step * fade_steps)
icculus@280
  1334
                                / old_fade_steps;
icculus@280
  1335
                }
slouken@616
  1336
        music_playing->fading = MIX_FADING_OUT;
slouken@616
  1337
        music_playing->fade_steps = fade_steps;
slouken@616
  1338
        retval = 1;
slouken@616
  1339
    }
slouken@616
  1340
    SDL_UnlockAudio();
slouken@173
  1341
slouken@616
  1342
    return(retval);
megastep@4
  1343
}
megastep@4
  1344
megastep@4
  1345
Mix_Fading Mix_FadingMusic(void)
megastep@4
  1346
{
slouken@616
  1347
    Mix_Fading fading = MIX_NO_FADING;
slouken@173
  1348
slouken@616
  1349
    SDL_LockAudio();
slouken@616
  1350
    if ( music_playing ) {
slouken@616
  1351
        fading = music_playing->fading;
slouken@616
  1352
    }
slouken@616
  1353
    SDL_UnlockAudio();
slouken@173
  1354
slouken@616
  1355
    return(fading);
megastep@4
  1356
}
megastep@4
  1357
slouken@0
  1358
/* Pause/Resume the music stream */
slouken@0
  1359
void Mix_PauseMusic(void)
slouken@0
  1360
{
slouken@616
  1361
    music_active = 0;
slouken@0
  1362
}
megastep@4
  1363
slouken@0
  1364
void Mix_ResumeMusic(void)
slouken@0
  1365
{
slouken@616
  1366
    music_active = 1;
slouken@0
  1367
}
slouken@0
  1368
slouken@0
  1369
void Mix_RewindMusic(void)
slouken@0
  1370
{
slouken@616
  1371
    Mix_SetMusicPosition(0.0);
slouken@0
  1372
}
slouken@0
  1373
megastep@13
  1374
int Mix_PausedMusic(void)
megastep@13
  1375
{
slouken@616
  1376
    return (music_active == 0);
megastep@13
  1377
}
megastep@13
  1378
slouken@0
  1379
/* Check the status of the music */
slouken@173
  1380
static int music_internal_playing()
slouken@173
  1381
{
slouken@616
  1382
    int playing = 1;
icculus@510
  1383
slouken@616
  1384
    if (music_playing == NULL) {
slouken@616
  1385
        return 0;
slouken@616
  1386
    }
icculus@510
  1387
slouken@616
  1388
    switch (music_playing->type) {
slouken@173
  1389
#ifdef CMD_MUSIC
slouken@616
  1390
        case MUS_CMD:
slouken@616
  1391
        if (!MusicCMD_Active(music_playing->data.cmd)) {
slouken@616
  1392
            playing = 0;
slouken@616
  1393
        }
slouken@616
  1394
        break;
slouken@173
  1395
#endif
slouken@173
  1396
#ifdef WAV_MUSIC
slouken@616
  1397
        case MUS_WAV:
slouken@616
  1398
        if ( ! WAVStream_Active() ) {
slouken@616
  1399
            playing = 0;
slouken@616
  1400
        }
slouken@616
  1401
        break;
slouken@173
  1402
#endif
slouken@481
  1403
#ifdef MODPLUG_MUSIC
slouken@616
  1404
        case MUS_MODPLUG:
slouken@616
  1405
        if ( ! modplug_playing(music_playing->data.modplug) ) {
slouken@616
  1406
            playing = 0;
slouken@616
  1407
        }
slouken@616
  1408
        break;
slouken@481
  1409
#endif
slouken@411
  1410
#ifdef MOD_MUSIC
slouken@616
  1411
        case MUS_MOD:
slouken@616
  1412
        if ( ! MOD_playing(music_playing->data.module) ) {
slouken@616
  1413
            playing = 0;
slouken@616
  1414
        }
slouken@616
  1415
        break;
slouken@173
  1416
#endif
slouken@173
  1417
#ifdef MID_MUSIC
slouken@616
  1418
        case MUS_MID:
slouken@173
  1419
#ifdef USE_NATIVE_MIDI
slouken@616
  1420
        if ( native_midi_ok ) {
slouken@616
  1421
            if ( ! native_midi_active() )
slouken@616
  1422
                playing = 0;
slouken@616
  1423
            goto skip;
slouken@616
  1424
        }
chewi@506
  1425
#endif
chewi@506
  1426
#ifdef USE_FLUIDSYNTH_MIDI
slouken@616
  1427
        if ( fluidsynth_ok ) {
slouken@616
  1428
            if ( ! fluidsynth_active(music_playing->data.fluidsynthmidi) )
slouken@616
  1429
                playing = 0;
slouken@616
  1430
            goto skip;
slouken@616
  1431
        }
slouken@173
  1432
#endif
slouken@173
  1433
#ifdef USE_TIMIDITY_MIDI
slouken@616
  1434
        if ( timidity_ok ) {
slouken@616
  1435
            if ( ! Timidity_Active() )
slouken@616
  1436
                playing = 0;
slouken@616
  1437
            goto skip;
slouken@616
  1438
        }
slouken@173
  1439
#endif
slouken@616
  1440
        break;
slouken@173
  1441
#endif
slouken@173
  1442
#ifdef OGG_MUSIC
slouken@616
  1443
        case MUS_OGG:
slouken@616
  1444
        if ( ! OGG_playing(music_playing->data.ogg) ) {
slouken@616
  1445
            playing = 0;
slouken@616
  1446
        }
slouken@616
  1447
        break;
slouken@173
  1448
#endif
slouken@382
  1449
#ifdef FLAC_MUSIC
slouken@616
  1450
        case MUS_FLAC:
slouken@616
  1451
        if ( ! FLAC_playing(music_playing->data.flac) ) {
slouken@616
  1452
            playing = 0;
slouken@616
  1453
        }
slouken@616
  1454
        break;
slouken@382
  1455
#endif
slouken@173
  1456
#ifdef MP3_MUSIC
slouken@616
  1457
        case MUS_MP3:
slouken@616
  1458
        if ( smpeg.SMPEG_status(music_playing->data.mp3) != SMPEG_PLAYING )
slouken@616
  1459
            playing = 0;
slouken@616
  1460
        break;
slouken@173
  1461
#endif
slouken@357
  1462
#ifdef MP3_MAD_MUSIC
slouken@616
  1463
        case MUS_MP3_MAD:
slouken@616
  1464
        if (!mad_isPlaying(music_playing->data.mp3_mad)) {
slouken@616
  1465
            playing = 0;
slouken@616
  1466
        }
slouken@616
  1467
        break;
slouken@357
  1468
#endif
slouken@616
  1469
        default:
slouken@616
  1470
        playing = 0;
slouken@616
  1471
        break;
slouken@616
  1472
    }
chewi@506
  1473
chewi@506
  1474
skip:
slouken@616
  1475
    return(playing);
slouken@173
  1476
}
megastep@13
  1477
int Mix_PlayingMusic(void)
slouken@0
  1478
{
slouken@616
  1479
    int playing = 0;
slouken@173
  1480
slouken@616
  1481
    SDL_LockAudio();
slouken@616
  1482
    if ( music_playing ) {
slouken@616
  1483
        playing = music_loops || music_internal_playing();
slouken@616
  1484
    }
slouken@616
  1485
    SDL_UnlockAudio();
slouken@173
  1486
slouken@616
  1487
    return(playing);
slouken@0
  1488
}
slouken@0
  1489
slouken@0
  1490
/* Set the external music playback command */
slouken@0
  1491
int Mix_SetMusicCMD(const char *command)
slouken@0
  1492
{
slouken@616
  1493
    Mix_HaltMusic();
slouken@616
  1494
    if ( music_cmd ) {
slouken@616
  1495
        SDL_free(music_cmd);
slouken@616
  1496
        music_cmd = NULL;
slouken@616
  1497
    }
slouken@616
  1498
    if ( command ) {
slouken@616
  1499
        music_cmd = (char *)SDL_malloc(strlen(command)+1);
slouken@616
  1500
        if ( music_cmd == NULL ) {
slouken@616
  1501
            return(-1);
slouken@616
  1502
        }
slouken@616
  1503
        strcpy(music_cmd, command);
slouken@616
  1504
    }
slouken@616
  1505
    return(0);
slouken@0
  1506
}
slouken@0
  1507
slouken@154
  1508
int Mix_SetSynchroValue(int i)
slouken@154
  1509
{
slouken@616
  1510
    /* Not supported by any players at this time */
slouken@616
  1511
    return(-1);
slouken@154
  1512
}
slouken@154
  1513
slouken@154
  1514
int Mix_GetSynchroValue(void)
slouken@154
  1515
{
slouken@616
  1516
    /* Not supported by any players at this time */
slouken@616
  1517
    return(-1);
slouken@154
  1518
}
slouken@154
  1519
slouken@154
  1520
slouken@0
  1521
/* Uninitialize the music players */
slouken@0
  1522
void close_music(void)
slouken@0
  1523
{
slouken@616
  1524
    Mix_HaltMusic();
slouken@0
  1525
#ifdef CMD_MUSIC
slouken@616
  1526
    Mix_SetMusicCMD(NULL);
slouken@0
  1527
#endif
slouken@481
  1528
#ifdef MODPLUG_MUSIC
slouken@616
  1529
    modplug_exit();
slouken@481
  1530
#endif
slouken@411
  1531
#ifdef MOD_MUSIC
slouken@616
  1532
    MOD_exit();
slouken@0
  1533
#endif
patmandin@264
  1534
#ifdef MID_MUSIC
patmandin@264
  1535
# ifdef USE_TIMIDITY_MIDI
slouken@616
  1536
    Timidity_Close();
patmandin@264
  1537
# endif
patmandin@264
  1538
#endif
icculus@390
  1539
slouken@616
  1540
    /* rcg06042009 report available decoders at runtime. */
slouken@621
  1541
    SDL_free((void *)music_decoders);
slouken@616
  1542
    music_decoders = NULL;
slouken@616
  1543
    num_decoders = 0;
slouken@499
  1544
slouken@616
  1545
    ms_per_step = 0;
slouken@0
  1546
}
slouken@0
  1547
chewi@506
  1548
int Mix_SetSoundFonts(const char *paths)
chewi@506
  1549
{
chewi@506
  1550
#ifdef MID_MUSIC
slouken@616
  1551
    if (soundfont_paths) {
slouken@616
  1552
        SDL_free(soundfont_paths);
slouken@616
  1553
        soundfont_paths = NULL;
slouken@616
  1554
    }
chewi@506
  1555
slouken@616
  1556
    if (paths) {
slouken@616
  1557
        if (!(soundfont_paths = SDL_strdup(paths))) {
slouken@616
  1558
            Mix_SetError("Insufficient memory to set SoundFonts");
slouken@616
  1559
            return 0;
slouken@616
  1560
        }
slouken@616
  1561
    }
chewi@506
  1562
#endif
slouken@616
  1563
    return 1;
chewi@506
  1564
}
chewi@506
  1565
chewi@506
  1566
#ifdef MID_MUSIC
dimitris@508
  1567
const char* Mix_GetSoundFonts(void)
chewi@506
  1568
{
slouken@616
  1569
    const char* force = getenv("SDL_FORCE_SOUNDFONTS");
chewi@506
  1570
slouken@616
  1571
    if (!soundfont_paths || (force && force[0] == '1')) {
slouken@616
  1572
        return getenv("SDL_SOUNDFONTS");
slouken@616
  1573
    } else {
slouken@616
  1574
        return soundfont_paths;
slouken@616
  1575
    }
chewi@506
  1576
}
chewi@506
  1577
chewi@506
  1578
int Mix_EachSoundFont(int (*function)(const char*, void*), void *data)
chewi@506
  1579
{
slouken@616
  1580
    char *context, *path, *paths;
slouken@616
  1581
    const char* cpaths = Mix_GetSoundFonts();
chewi@506
  1582
slouken@616
  1583
    if (!cpaths) {
slouken@616
  1584
        Mix_SetError("No SoundFonts have been requested");
slouken@616
  1585
        return 0;
slouken@616
  1586
    }
chewi@506
  1587
slouken@616
  1588
    if (!(paths = SDL_strdup(cpaths))) {
slouken@616
  1589
        Mix_SetError("Insufficient memory to iterate over SoundFonts");
slouken@616
  1590
        return 0;
slouken@616
  1591
    }
chewi@506
  1592
icculus@513
  1593
#if defined(__MINGW32__) || defined(__MINGW64__)
slouken@616
  1594
    for (path = strtok(paths, ";"); path; path = strtok(NULL, ";")) {
icculus@513
  1595
#elif defined(_WIN32)
slouken@616
  1596
    for (path = strtok_s(paths, ";", &context); path; path = strtok_s(NULL, ";", &context)) {
chewi@506
  1597
#else
slouken@616
  1598
    for (path = strtok_r(paths, ":;", &context); path; path = strtok_r(NULL, ":;", &context)) {
chewi@506
  1599
#endif
slouken@616
  1600
        if (!function(path, data)) {
slouken@616
  1601
            SDL_free(paths);
slouken@616
  1602
            return 0;
slouken@616
  1603
        }
slouken@616
  1604
    }
chewi@506
  1605
slouken@616
  1606
    SDL_free(paths);
slouken@616
  1607
    return 1;
chewi@506
  1608
}
chewi@506
  1609
#endif