397 int SDL_OpenAudio(SDL_AudioSpec *desired, SDL_AudioSpec *obtained)  in SDL_OpenAudio()  argument
417 	if ( desired->freq == 0 ) {  in SDL_OpenAudio()
420 			desired->freq = SDL_atoi(env);  in SDL_OpenAudio()
423 	if ( desired->freq == 0 ) {  in SDL_OpenAudio()
425 		desired->freq = 22050;  in SDL_OpenAudio()
427 	if ( desired->format == 0 ) {  in SDL_OpenAudio()
430 			desired->format = SDL_ParseAudioFormat(env);  in SDL_OpenAudio()
433 	if ( desired->format == 0 ) {  in SDL_OpenAudio()
435 		desired->format = AUDIO_S16;  in SDL_OpenAudio()
437 	if ( desired->channels == 0 ) {  in SDL_OpenAudio()
440 			desired->channels = (Uint8)SDL_atoi(env);  in SDL_OpenAudio()
443 	if ( desired->channels == 0 ) {  in SDL_OpenAudio()
445 		desired->channels = 2;  in SDL_OpenAudio()
447 	switch ( desired->channels ) {  in SDL_OpenAudio()
457 	if ( desired->samples == 0 ) {  in SDL_OpenAudio()
460 			desired->samples = (Uint16)SDL_atoi(env);  in SDL_OpenAudio()
463 	if ( desired->samples == 0 ) {  in SDL_OpenAudio()
465 		int samples = (desired->freq / 1000) * 46;  in SDL_OpenAudio()
470 		desired->samples = power2;  in SDL_OpenAudio()
472 	if ( desired->callback == NULL ) {  in SDL_OpenAudio()
490 	SDL_CalculateAudioSpec(desired);  in SDL_OpenAudio()
493 	SDL_memcpy(&audio->spec, desired, sizeof(audio->spec));  in SDL_OpenAudio()
506 	if ( audio->spec.samples != desired->samples ) {  in SDL_OpenAudio()
507 		desired->samples = audio->spec.samples;  in SDL_OpenAudio()
508 		SDL_CalculateAudioSpec(desired);  in SDL_OpenAudio()
522 	} else if ( desired->freq != audio->spec.freq ||  in SDL_OpenAudio()
523                     desired->format != audio->spec.format ||  in SDL_OpenAudio()
524 	            desired->channels != audio->spec.channels ) {  in SDL_OpenAudio()
527 			desired->format, desired->channels,  in SDL_OpenAudio()
528 					desired->freq,  in SDL_OpenAudio()