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/*
PLAYWAVE: A WAVE file player using the maclib and SDL libraries
Copyright (C) 1997-2021 Sam Lantinga <slouken@libsdl.org>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* Very simple WAVE player */
#include <signal.h>
#include <string.h>
#include <stdlib.h>
#include "SDL.h"
#include "SDL_audio.h"
#include "SDL_mutex.h"
#include "Mac_Wave.h"
static SDL_mutex *done;
static Wave *wave;
static Uint8 silence;
void fillerup(void *unused, Uint8 *stream, int len)
{
Sint32 waveleft;
/* Are we done? */
if ( wave->DataLeft() == 0 ) {
memset(stream, silence, len);
SDL_mutexV(done);
return;
}
/* Fill streaming buffer */
waveleft = wave->DataLeft();
if ( waveleft > len )
waveleft = len;
memcpy(stream, wave->Data(), waveleft);
wave->Forward(waveleft);
}
void CleanUp(int status)
{
SDL_CloseAudio();
SDL_DestroyMutex(done);
SDL_Quit();
delete wave;
exit(status);
}
int main(int argc, char *argv[])
{
Mac_Resource *macx;
Mac_ResData *snd;
SDL_AudioSpec *spec;
Uint16 rate;
if ( SDL_Init(SDL_INIT_AUDIO) < 0 ) {
fprintf(stderr, "Couldn't initialize SDL: %s\n",SDL_GetError());
exit(1);
}
rate = 0;
if ( (argc >= 3) && (strcmp(argv[1], "-rate") == 0) ) {
int i;
rate = (Uint16)atoi(argv[2]);
for ( i=3; argv[i]; ++i ) {
argv[i-2] = argv[i];
}
argv[i-2] = NULL;
argc -= 2;
}
switch (argc) {
case 2:
/* Load the wave file into memory */
wave = new Wave(argv[1], rate);
if ( wave->Error() ) {
fprintf(stderr, "%s\n", wave->Error());
delete wave;
exit(255);
}
break;
case 3:
macx = new Mac_Resource(argv[1]);
if ( macx->Error() ) {
fprintf(stderr, "%s\n", macx->Error());
delete macx;
exit(255);
}
if ( (argv[2][0] >= '0') && (argv[2][0] <= '9') )
snd = macx->Resource("snd ", atoi(argv[2]));
else
snd = macx->Resource("snd ", argv[2]);
if ( snd == NULL ) {
fprintf(stderr, "%s\n", macx->Error());
delete macx;
exit(255);
}
wave = new Wave(snd, rate);
delete macx;
if ( wave->Error() ) {
fprintf(stderr, "%s\n", wave->Error());
delete wave;
exit(255);
}
break;
default:
fprintf(stderr, "Usage: %s [-rate <rate>] <wavefile>\n", argv[0]);
fprintf(stderr, "or..\n");
fprintf(stderr, " %s [-rate <rate>] <snd_fork> [soundnum]\n",
argv[0]);
exit(1);
}
spec = wave->Spec();
silence = ((spec->format&AUDIO_U8) ? 0x80 : 0x00);
spec->callback = fillerup;
#ifdef SAVE_THE_WAVES
if ( wave->Save("save.wav") < 0 )
fprintf(stderr, "Warning: %s\n", wave->Error());
#endif
/* Create a semaphore to wait for end of play */
done=SDL_CreateMutex();
if ( done == NULL ) {
fprintf(stderr, "%s\n", SDL_GetError());
SDL_Quit();
exit(255);
}
SDL_mutexP(done); /* Prime it for blocking */
/* Set the signals */
#ifdef SIGHUP
signal(SIGHUP, CleanUp);
#endif
signal(SIGINT, CleanUp);
#ifdef SIGQUIT
signal(SIGQUIT, CleanUp);
#endif
signal(SIGTERM, CleanUp);
/* Show what audio format we're playing */
printf("Playing %#.2f seconds (%d bit %s) at %u Hz\n",
(double)(wave->DataLeft()/wave->SampleSize())/wave->Frequency(),
wave->BitsPerSample(),
wave->Stereo() ? "stereo" : "mono", wave->Frequency());
/* Start the audio device */
if ( SDL_OpenAudio(spec, NULL) < 0 ) {
fprintf(stderr, "%s\n", SDL_GetError());
CleanUp(255);
}
/* Let the audio run, waiting until finished */
SDL_PauseAudio(0);
SDL_mutexP(done);
/* We're done! */
CleanUp(0);
/* Not reached */
return 0;
}
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