C++ (Cpp) Mint_CheckExternalClock Examples

Example #1

File: SDL_mintaudio_xbios.c Project: flwh/Alcatel_OT_985_kernel

static int Mint_CheckAudio(_THIS, SDL_AudioSpec *spec)
{
	int i;
	Uint32 extclock;

	DEBUG_PRINT((DEBUG_NAME "asked: %d bits, ",spec->format & 0x00ff));
	DEBUG_PRINT(("signed=%d, ", ((spec->format & 0x8000)!=0)));
	DEBUG_PRINT(("big endian=%d, ", ((spec->format & 0x1000)!=0)));
	DEBUG_PRINT(("channels=%d, ", spec->channels));
	DEBUG_PRINT(("freq=%d\n", spec->freq));

    if (spec->channels > 2) {
        spec->channels = 2;  /* no more than stereo! */
    }

	spec->format |= 0x8000;	/* Audio is always signed */
	if ((spec->format & 0x00ff)==16) {
		spec->format |= 0x1000;	/* Audio is always big endian */
		spec->channels=2;	/* 16 bits always stereo */
	}

	MINTAUDIO_freqcount=0;

	/* Add external clocks if present */
	Mint_CheckExternalClock(this);

	/* Standard clocks */
	for (i=1;i<12;i++) {
		/* Remove unusable Falcon codec predivisors */
		if ((i==6) || (i==8) || (i==10)) {
			continue;
		}
		SDL_MintAudio_AddFrequency(this, MASTERCLOCK_FALCON1/(MASTERPREDIV_FALCON*(i+1)), MASTERCLOCK_FALCON1, i, -1);
	}

#if 1
	for (i=0; i<MINTAUDIO_freqcount; i++) {
		DEBUG_PRINT((DEBUG_NAME "freq %d: %lu Hz, clock %lu, prediv %d\n",
			i, MINTAUDIO_frequencies[i].frequency, MINTAUDIO_frequencies[i].masterclock,
			MINTAUDIO_frequencies[i].predivisor
		));
	}
#endif

	MINTAUDIO_numfreq=SDL_MintAudio_SearchFrequency(this, spec->freq);
	spec->freq=MINTAUDIO_frequencies[MINTAUDIO_numfreq].frequency;

	DEBUG_PRINT((DEBUG_NAME "obtained: %d bits, ",spec->format & 0x00ff));
	DEBUG_PRINT(("signed=%d, ", ((spec->format & 0x8000)!=0)));
	DEBUG_PRINT(("big endian=%d, ", ((spec->format & 0x1000)!=0)));
	DEBUG_PRINT(("channels=%d, ", spec->channels));
	DEBUG_PRINT(("freq=%d\n", spec->freq));

	return 0;
}

Example #2

File: SDL_mintaudio_xbios.c Project: qtekfun/htcDesire820Kernel

static int Mint_CheckAudio(_THIS, SDL_AudioSpec *spec)
{
	int i;

	DEBUG_PRINT((DEBUG_NAME "asked: %d bits, ",spec->format & 0x00ff));
	DEBUG_PRINT(("signed=%d, ", ((spec->format & 0x8000)!=0)));
	DEBUG_PRINT(("big endian=%d, ", ((spec->format & 0x1000)!=0)));
	DEBUG_PRINT(("channels=%d, ", spec->channels));
	DEBUG_PRINT(("freq=%d\n", spec->freq));

    if (spec->channels > 2) {
        spec->channels = 2;  
    }

	spec->format |= 0x8000;	
	if ((spec->format & 0x00ff)==16) {
		spec->format |= 0x1000;	
		spec->channels=2;	
	}

	MINTAUDIO_freqcount=0;

	
	Mint_CheckExternalClock(this);

	
	for (i=1;i<12;i++) {
		
		if ((i==6) || (i==8) || (i==10)) {
			continue;
		}
		SDL_MintAudio_AddFrequency(this, MASTERCLOCK_FALCON1/(MASTERPREDIV_FALCON*(i+1)), MASTERCLOCK_FALCON1, i, -1);
	}

#if 1
	for (i=0; i<MINTAUDIO_freqcount; i++) {
		DEBUG_PRINT((DEBUG_NAME "freq %d: %lu Hz, clock %lu, prediv %d\n",
			i, MINTAUDIO_frequencies[i].frequency, MINTAUDIO_frequencies[i].masterclock,
			MINTAUDIO_frequencies[i].predivisor
		));
	}
#endif

	MINTAUDIO_numfreq=SDL_MintAudio_SearchFrequency(this, spec->freq);
	spec->freq=MINTAUDIO_frequencies[MINTAUDIO_numfreq].frequency;

	DEBUG_PRINT((DEBUG_NAME "obtained: %d bits, ",spec->format & 0x00ff));
	DEBUG_PRINT(("signed=%d, ", ((spec->format & 0x8000)!=0)));
	DEBUG_PRINT(("big endian=%d, ", ((spec->format & 0x1000)!=0)));
	DEBUG_PRINT(("channels=%d, ", spec->channels));
	DEBUG_PRINT(("freq=%d\n", spec->freq));

	return 0;
}