C++ (Cpp) ringb_float_read_advanceの例

コード例 #1

ファイル: winmain.c プロジェクト: Excalibur201010/powersdr-iq

DttSP_EXP void
Audio_Callback (float *input_l, float *input_r, float *output_l,
	float *output_r, unsigned int nframes)
{
	BOOLEAN b = reset_em;
	int i;
	if (top[0].susp)
	{
		memset (output_l, 0, nframes * sizeof (float));
		memset (output_r, 0, nframes * sizeof (float));
		return;
	}

	if (b)
	{
		reset_system_audio(nframes);
		memset (output_l, 0, nframes * sizeof (float));
		memset (output_r, 0, nframes * sizeof (float));
		return;
    }

	for (i=0;i<2;i++) {
		if ((ringb_float_read_space (top[i].jack.ring.o.l) >= nframes)
			&& (ringb_float_read_space (top[i].jack.ring.o.r) >= nframes))
		{
			if (top[i].state == RUN_PLAY) {
				ringb_float_read (top[i].jack.auxr.o.l, output_l, nframes);
				ringb_float_read (top[i].jack.auxr.o.r, output_r, nframes);
				ringb_float_read (top[i].jack.ring.o.l, output_l, nframes);
				ringb_float_read (top[i].jack.ring.o.r, output_r, nframes);
			} else {
				ringb_float_read_advance (top[i].jack.auxr.o.l, nframes);
				ringb_float_read_advance (top[i].jack.auxr.o.r, nframes);
				ringb_float_read_advance (top[i].jack.ring.o.l, nframes);
				ringb_float_read_advance (top[i].jack.ring.o.r, nframes);

			}
		}
		else
		{	// rb pathology
			reset_em=TRUE;
			memset (output_l, 0, nframes * sizeof (float));
			memset (output_r, 0, nframes * sizeof (float));
		}

		// input: copy from port to ring
		if ((ringb_float_write_space (top[i].jack.ring.i.l) >= nframes)
			&& (ringb_float_write_space (top[i].jack.ring.i.r) >= nframes))
		{
			ringb_float_write (top[i].jack.ring.i.l, (float *) input_l, nframes);
			ringb_float_write (top[i].jack.ring.i.r, (float *) input_r, nframes);
			ringb_float_write (top[i].jack.auxr.i.l, (float *) input_l, nframes);
			ringb_float_write (top[i].jack.auxr.i.r, (float *) input_r, nframes);
		}
		else
		{	// rb pathology
			reset_em=TRUE;
			memset (output_l, 0, nframes * sizeof (float));
			memset (output_r, 0, nframes * sizeof (float));
		}

		// if enough accumulated in ring, fire dsp
		if (ringb_float_read_space (top[i].jack.ring.i.l) >= top[i].hold.size.frames)
			sem_post (&top[i].sync.buf.sem);
	}
}

コード例 #2

ファイル: winmain.c プロジェクト: w3sz/ghpsdr3-w3sz

DttSP_EXP void
Audio_Callback (float *input_l, float *input_r, float *output_l,
	float *output_r, unsigned int nframes, int thread)
{
	BOOLEAN b = reset_em;
	int i;

        i=thread;
	if (top[i].susp)
	{
		memset (output_l, 0, nframes * sizeof (float));
		memset (output_r, 0, nframes * sizeof (float));
		return;
	}

	if (b)
	{
		//fprintf(stdout,"Audio_Callback: call reset_system_audio\n"), fflush(stdout);
		reset_system_audio(nframes);
		memset (output_l, 0, nframes * sizeof (float));
		memset (output_r, 0, nframes * sizeof (float));
		return;
    }

	//for (i=0; i<2; i++) 
	//{
		if ((ringb_float_read_space (top[i].jack.ring.o.l) >= nframes)
			&& (ringb_float_read_space (top[i].jack.ring.o.r) >= nframes))
		{
			if (top[i].state == RUN_PLAY)
			{
				ringb_float_read (top[i].jack.auxr.o.l, output_l, nframes);
				ringb_float_read (top[i].jack.auxr.o.r, output_r, nframes);
				ringb_float_read (top[i].jack.ring.o.l, output_l, nframes);
				ringb_float_read (top[i].jack.ring.o.r, output_r, nframes);
			}
			else
			{
				ringb_float_read_advance (top[i].jack.auxr.o.l, nframes);
				ringb_float_read_advance (top[i].jack.auxr.o.r, nframes);
				ringb_float_read_advance (top[i].jack.ring.o.l, nframes);
				ringb_float_read_advance (top[i].jack.ring.o.r, nframes);

			}
		}
		else
		{	// rb pathology
			//fprintf(stdout,"Audio_Callback-2: rb out pathology\n"), fflush(stdout);
//			reset_system_audio(nframes);
//			memset (output_l, 0, nframes * sizeof (float));
//			memset (output_r, 0, nframes * sizeof (float));
		}

		// input: copy from port to ring
		if ((ringb_float_write_space (top[i].jack.ring.i.l) >= nframes)
			&& (ringb_float_write_space (top[i].jack.ring.i.r) >= nframes))
		{
			ringb_float_write (top[i].jack.ring.i.l, (float *) input_l, nframes);
			ringb_float_write (top[i].jack.ring.i.r, (float *) input_r, nframes);
			ringb_float_write (top[i].jack.auxr.i.l, (float *) input_l, nframes);
			ringb_float_write (top[i].jack.auxr.i.r, (float *) input_r, nframes);
		}
		else
		{	// rb pathology
			//fprintf(stdout,"Audio_Callback-3: rb in pathology\n"), fflush(stdout);
//			reset_system_audio(nframes);
//			memset (output_l, 0, nframes * sizeof (float));
//			memset (output_r, 0, nframes * sizeof (float));
		}

		// if enough accumulated in ring, fire dsp
		if (ringb_float_read_space (top[i].jack.ring.i.l) >= top[i].hold.size.frames)
			sem_post (&top[i].sync.buf.sem);
	//}
}