/*

PLAYMUS: A test application for the SDL mixer library.

Copyright (C) 1997-2012 Sam Lantinga <slouken@libsdl.org>

This software is provided 'as-is', without any express or implied

warranty. In no event will the authors be held liable for any damages

arising from the use of this software.

Permission is granted to anyone to use this software for any purpose,

including commercial applications, and to alter it and redistribute it

freely, subject to the following restrictions:

1. The origin of this software must not be misrepresented; you must not

claim that you wrote the original software. If you use this software

in a product, an acknowledgment in the product documentation would be

appreciated but is not required.

2. Altered source versions must be plainly marked as such, and must not be

misrepresented as being the original software.

3. This notice may not be removed or altered from any source distribution.

*/

/* $Id$ */

#include <stdlib.h>

#include <stdio.h>

#include <string.h>

#ifdef unix

#include <unistd.h>

#endif

#include "SDL.h"

#include "SDL_mixer.h"

#ifdef HAVE_SIGNAL_H

#include <signal.h>

#endif

static int audio_open = 0;

static Mix_Music *music = NULL;

static int next_track = 0;

void CleanUp(int exitcode)

{

if( Mix_PlayingMusic() ) {

Mix_FadeOutMusic(1500);

SDL_Delay(1500);

}

if ( music ) {

Mix_FreeMusic(music);

music = NULL;

}

if ( audio_open ) {

Mix_CloseAudio();

audio_open = 0;

}

SDL_Quit();

exit(exitcode);

}

void Usage(char *argv0)

{

fprintf(stderr, "Usage: %s [-i] [-l] [-8] [-r rate] [-c channels] [-b buffers] [-v N] [-rwops] <musicfile>\n", argv0);

}

/*#define SEEK_TEST */

void Menu(void)

{

char buf[10];

printf("Available commands: (p)ause (r)esume (h)alt volume(v#) > ");

fflush(stdin);

if (scanf("%s",buf) == 1) {

switch(buf[0]){

#if defined(SEEK_TEST)

case '0': Mix_SetMusicPosition(0); break;

case '1': Mix_SetMusicPosition(10);break;

case '2': Mix_SetMusicPosition(20);break;

case '3': Mix_SetMusicPosition(30);break;

case '4': Mix_SetMusicPosition(40);break;

#endif /* SEEK_TEST */

case 'p': case 'P':

Mix_PauseMusic();

break;

case 'r': case 'R':

Mix_ResumeMusic();

break;

case 'h': case 'H':

Mix_HaltMusic();

break;

case 'v': case 'V':

Mix_VolumeMusic(atoi(buf+1));

break;

}

}

printf("Music playing: %s Paused: %s\n", Mix_PlayingMusic() ? "yes" : "no",

Mix_PausedMusic() ? "yes" : "no");

}

#ifdef HAVE_SIGNAL_H

void IntHandler(int sig)

{

switch (sig) {

case SIGINT:

next_track++;

break;

}

}

#endif

int main(int argc, char *argv[])

{

SDL_RWops *rwfp = NULL;

int audio_rate;

Uint16 audio_format;

int audio_channels;

int audio_buffers;

int audio_volume = MIX_MAX_VOLUME;

int looping = 0;

int interactive = 0;

int rwops = 0;

int i;

/* Initialize variables */

audio_rate = 22050;

audio_format = AUDIO_S16;

audio_channels = 2;

audio_buffers = 4096;

/* Check command line usage */

for ( i=1; argv[i] && (*argv[i] == '-'); ++i ) {

if ( (strcmp(argv[i], "-r") == 0) && argv[i+1] ) {

++i;

audio_rate = atoi(argv[i]);

} else

if ( strcmp(argv[i], "-m") == 0 ) {

audio_channels = 1;

} else

if ( (strcmp(argv[i], "-c") == 0) && argv[i+1] ) {

++i;

audio_channels = atoi(argv[i]);

} else

if ( (strcmp(argv[i], "-b") == 0) && argv[i+1] ) {

++i;

audio_buffers = atoi(argv[i]);

} else

if ( (strcmp(argv[i], "-v") == 0) && argv[i+1] ) {

++i;

audio_volume = atoi(argv[i]);

} else

if ( strcmp(argv[i], "-l") == 0 ) {

looping = -1;

} else

if ( strcmp(argv[i], "-i") == 0 ) {

interactive = 1;

} else

if ( strcmp(argv[i], "-8") == 0 ) {

audio_format = AUDIO_U8;

} else

if ( strcmp(argv[i], "-rwops") == 0 ) {

rwops = 1;

} else {

Usage(argv[0]);

return(1);

}

}

if ( ! argv[i] ) {

Usage(argv[0]);

return(1);

}

/* Initialize the SDL library */

if ( SDL_Init(SDL_INIT_AUDIO) < 0 ) {

fprintf(stderr, "Couldn't initialize SDL: %s\n",SDL_GetError());

return(255);

}

#ifdef HAVE_SIGNAL_H

signal(SIGINT, IntHandler);

signal(SIGTERM, CleanUp);

#endif

/* Open the audio device */

if (Mix_OpenAudio(audio_rate, audio_format, audio_channels, audio_buffers) < 0) {

fprintf(stderr, "Couldn't open audio: %s\n", SDL_GetError());

return(2);

} else {

Mix_QuerySpec(&audio_rate, &audio_format, &audio_channels);

printf("Opened audio at %d Hz %d bit %s (%s), %d bytes audio buffer\n", audio_rate,

(audio_format&0xFF),

(audio_channels > 2) ? "surround" : (audio_channels > 1) ? "stereo" : "mono",

(audio_format&0x1000) ? "BE" : "LE",

audio_buffers );

}

audio_open = 1;

/* Set the music volume */

Mix_VolumeMusic(audio_volume);

/* Set the external music player, if any */

Mix_SetMusicCMD(SDL_getenv("MUSIC_CMD"));

while (argv[i]) {

next_track = 0;

/* Load the requested music file */

if ( rwops ) {

rwfp = SDL_RWFromFile(argv[i], "rb");

music = Mix_LoadMUS_RW(rwfp);

} else {

music = Mix_LoadMUS(argv[i]);

}

if ( music == NULL ) {

fprintf(stderr, "Couldn't load %s: %s\n",

argv[i], SDL_GetError());

CleanUp(2);

}

/* Play and then exit */

printf("Playing %s\n", argv[i]);

Mix_FadeInMusic(music,looping,2000);

while ( !next_track && (Mix_PlayingMusic() || Mix_PausedMusic()) ) {

if(interactive)

Menu();

else

SDL_Delay(100);

}

Mix_FreeMusic(music);

if ( rwops ) {

SDL_RWclose(rwfp);

}

music = NULL;

/* If the user presses Ctrl-C more than once, exit. */

SDL_Delay(500);

if ( next_track > 1 ) break;

i++;

}

CleanUp(0);

/* Not reached, but fixes compiler warnings */

return 0;

}