Exemplos de adjust_channel_timer em C++ (Cpp)

Exemplo n.º 1

Arquivo: SPU.cpp Projeto: H8sn0w/desmumewii

void SPU_struct::KeyOn(int channel)
{
	channel_struct &thischan = channels[channel];
	thischan.status = CHANSTAT_PLAY;

	thischan.totlength = thischan.length + thischan.loopstart;
	adjust_channel_timer(&thischan);

	//LOG("Channel %d key on: vol = %d, datashift = %d, hold = %d, pan = %d, waveduty = %d, repeat = %d, format = %d, source address = %07X,"
	//		"timer = %04X, loop start = %04X, length = %06X, MMU.ARM7_REG[0x501] = %02X\n", channel, chan->vol, chan->datashift, chan->hold, 
	//		chan->pan, chan->waveduty, chan->repeat, chan->format, chan->addr, chan->timer, chan->loopstart, chan->length, T1ReadByte(MMU.ARM7_REG, 0x501));

	switch(thischan.format)
	{
	case 0: // 8-bit
		thischan.buf8 = (s8*)&MMU.MMU_MEM[1][(thischan.addr>>20)&0xFF][(thischan.addr & MMU.MMU_MASK[1][(thischan.addr >> 20) & 0xFF])];
	//	thischan.loopstart = thischan.loopstart << 2;
	//	thischan.length = (thischan.length << 2) + thischan.loopstart;
		thischan.sampcnt = -3;
		break;
	case 1: // 16-bit
		thischan.buf16 = (s16 *)&MMU.MMU_MEM[1][(thischan.addr>>20)&0xFF][(thischan.addr & MMU.MMU_MASK[1][(thischan.addr >> 20) & 0xFF])];
	//	thischan.loopstart = thischan.loopstart << 1;
	//	thischan.length = (thischan.length << 1) + thischan.loopstart;
		thischan.sampcnt = -3;
		break;
	case 2: // ADPCM
		{
			thischan.buf8 = (s8*)&MMU.MMU_MEM[1][(thischan.addr>>20)&0xFF][(thischan.addr & MMU.MMU_MASK[1][(thischan.addr >> 20) & 0xFF])];
			thischan.pcm16b = (s16)((thischan.buf8[1] << 8) | thischan.buf8[0]);
			thischan.pcm16b_last = thischan.pcm16b;
			thischan.index = thischan.buf8[2] & 0x7F;
			thischan.lastsampcnt = 7;
			thischan.sampcnt = -3;
			thischan.loop_index = K_ADPCM_LOOPING_RECOVERY_INDEX;
		//	thischan.loopstart = thischan.loopstart << 3;
		//	thischan.length = (thischan.length << 3) + thischan.loopstart;
			break;
		}
	case 3: // PSG
		{
			thischan.sampcnt = -1;
			thischan.x = 0x7FFF;
			break;
		}
	default: break;
	}

	thischan.double_totlength_shifted = (double)(thischan.totlength << format_shift[thischan.format]);

	if(thischan.format != 3)
	{
		if(thischan.double_totlength_shifted == 0)
		{
			printf("INFO: Stopping channel %d due to zero length\n",channel);
			thischan.status = CHANSTAT_STOPPED;
		}
	}
}

Exemplo n.º 2

Arquivo: SPU.cpp Projeto: hudokkow/audiodecoder.2sf

void SPU_struct::KeyOn(int channel)
{
	channel_struct &thischan = channels[channel];

    thischan.init_resampler();
    resampler_clear(thischan.resampler);
    resampler_set_quality(thischan.resampler, thischan.format == 3 ? RESAMPLER_QUALITY_BLEP : spuInterpolationMode(state));

	adjust_channel_timer(&thischan);

	//   LOG("Channel %d key on: vol = %d, datashift = %d, hold = %d, pan = %d, waveduty = %d, repeat = %d, format = %d, source address = %07X, timer = %04X, loop start = %04X, length = %06X, cpu->state->MMUARM7_REG[0x501] = %02X\n", channel, chan->vol, chan->datashift, chan->hold, chan->pan, chan->waveduty, chan->repeat, chan->format, chan->addr, chan->timer, chan->loopstart, chan->length, T1ReadByte(MMU->ARM7_REG, 0x501));
	switch(thischan.format)
	{
	case 0: // 8-bit
		thischan.buf8 = (s8*)&state->MMU->MMU_MEM[1][(thischan.addr>>20)&0xFF][(thischan.addr & state->MMU->MMU_MASK[1][(thischan.addr >> 20) & 0xFF])];
	//	thischan.loopstart = thischan.loopstart << 2;
	//	thischan.length = (thischan.length << 2) + thischan.loopstart;
		thischan.sampcnt = 0;
		break;
	case 1: // 16-bit
		thischan.buf16 = (s16 *)&state->MMU->MMU_MEM[1][(thischan.addr>>20)&0xFF][(thischan.addr & state->MMU->MMU_MASK[1][(thischan.addr >> 20) & 0xFF])];
	//	thischan.loopstart = thischan.loopstart << 1;
	//	thischan.length = (thischan.length << 1) + thischan.loopstart;
		thischan.sampcnt = 0;
		break;
	case 2: // ADPCM
		{
			thischan.buf8 = (s8*)&state->MMU->MMU_MEM[1][(thischan.addr>>20)&0xFF][(thischan.addr & state->MMU->MMU_MASK[1][(thischan.addr >> 20) & 0xFF])];
			thischan.pcm16b = (s16)((thischan.buf8[1] << 8) | thischan.buf8[0]);
			thischan.pcm16b_last = thischan.pcm16b;
			thischan.index = thischan.buf8[2] & 0x7F;
			thischan.lastsampcnt = 7;
			thischan.sampcnt = 8;
			thischan.loop_index = K_ADPCM_LOOPING_RECOVERY_INDEX;
		//	thischan.loopstart = thischan.loopstart << 3;
		//	thischan.length = (thischan.length << 3) + thischan.loopstart;
			break;
		}
	case 3: // PSG
		{
			thischan.x = 0x7FFF;
			break;
		}
	default: break;
	}

	if(thischan.format != 3)
	{
		if(thischan.double_totlength_shifted == 0)
		{
			printf("INFO: Stopping channel %d due to zero length\n",channel);
			thischan.status = CHANSTAT_STOPPED;
		}
	}
	
	thischan.double_totlength_shifted = (double)(thischan.totlength << format_shift[thischan.format]);
}