diff options
Diffstat (limited to 'tests/call_playtwo.cpp')
| -rw-r--r-- | tests/call_playtwo.cpp | 178 |
1 files changed, 0 insertions, 178 deletions
diff --git a/tests/call_playtwo.cpp b/tests/call_playtwo.cpp deleted file mode 100644 index 4364262..0000000 --- a/tests/call_playtwo.cpp +++ /dev/null @@ -1,178 +0,0 @@ -/******************************************/ -/* - call_playtwo.cpp - by Gary P. Scavone, 2002. - - Test executable using two streams with - callbacks. -*/ -/******************************************/ - -#include "RtAudio.h" -#include <iostream.h> - -/* -typedef signed long MY_TYPE; -#define FORMAT RtAudio::RTAUDIO_SINT24 -#define SCALE 2147483647.0 - -typedef char MY_TYPE; -#define FORMAT RtAudio::RTAUDIO_SINT8 -#define SCALE 127.0 - -typedef signed short MY_TYPE; -#define FORMAT RtAudio::RTAUDIO_SINT16 -#define SCALE 32767.0 - -typedef signed long MY_TYPE; -#define FORMAT RtAudio::RTAUDIO_SINT32 -#define SCALE 2147483647.0 - -typedef float MY_TYPE; -#define FORMAT RtAudio::RTAUDIO_FLOAT32 -#define SCALE 1.0 -*/ - -typedef double MY_TYPE; -#define FORMAT RtAudio::RTAUDIO_FLOAT64 -#define SCALE 1.0 -#define BASE_RATE1 0.005 -#define BASE_RATE2 0.004 - -void usage(void) { - /* Error function in case of incorrect command-line - argument specifications - */ - cout << "\nuseage: call_twostreams N fs\n"; - cout << " where N = number of channels,\n"; - cout << " and fs = the sample rate.\n\n"; - exit(0); -} - -int chans; - -int saw1(char *buffer, int buffer_size, void *data) -{ - int i, j; - extern int chans; - MY_TYPE *my_buffer = (MY_TYPE *) buffer; - double *my_data = (double *) data; - - for (i=0; i<buffer_size; i++) { - for (j=0; j<chans; j++) { - *my_buffer++ = (MY_TYPE) (my_data[j] * SCALE); - my_data[j] += BASE_RATE1 * (j+1+(j*0.1)); - if (my_data[j] >= 1.0) my_data[j] -= 2.0; - } - } - - return 0; -} - -int saw2(char *buffer, int buffer_size, void *data) -{ - int i, j; - extern int chans; - MY_TYPE *my_buffer = (MY_TYPE *) buffer; - double *my_data = (double *) data; - - for (i=0; i<buffer_size; i++) { - for (j=0; j<chans; j++) { - *my_buffer++ = (MY_TYPE) (my_data[j] * SCALE); - my_data[j] += BASE_RATE2 * (j+1+(j*0.1)); - if (my_data[j] >= 1.0) my_data[j] -= 2.0; - } - } - - return 0; -} - -int main(int argc, char *argv[]) -{ - int device, buffer_size, stream1 = 0, stream2 = 0, fs; - double *data1 = 0; - double *data2 = 0; - RtAudio *audio; - char input; - - // minimal command-line checking - if (argc != 3) usage(); - - chans = (int) atoi(argv[1]); - fs = (int) atoi(argv[2]); - - // Open the realtime output device - buffer_size = 512; - device = 0; // default device - try { - audio = new RtAudio(); - } - catch (RtError &) { - exit(EXIT_FAILURE); - } - - try { - stream1 = audio->openStream(device, chans, 0, 0, - FORMAT, fs, &buffer_size, 8); - stream2 = audio->openStream(device, chans, 0, 0, - FORMAT, fs, &buffer_size, 8); - } - catch (RtError &) { - goto cleanup; - } - - data1 = (double *) calloc(chans, sizeof(double)); - data2 = (double *) calloc(chans, sizeof(double)); - - try { - audio->setStreamCallback(stream1, &saw1, (void *)data1); - audio->setStreamCallback(stream2, &saw2, (void *)data2); - audio->startStream(stream1); - audio->startStream(stream2); - } - catch (RtError &) { - goto cleanup; - } - - cout << "\nRunning two streams ... press <enter> to quit.\n"; - cin.get(input); - - cout << "\nStopping both streams.\n"; - try { - audio->stopStream(stream1); - audio->stopStream(stream2); - } - catch (RtError &) { - goto cleanup; - } - - cout << "\nPress <enter> to restart streams:\n"; - cin.get(input); - - try { - audio->startStream(stream1); - audio->startStream(stream2); - } - catch (RtError &) { - goto cleanup; - } - - cout << "\nRunning two streams (quasi-duplex) ... press <enter> to quit.\n"; - cin.get(input); - - try { - audio->stopStream(stream1); - audio->stopStream(stream2); - } - catch (RtError &) { - } - - cleanup: - audio->closeStream(stream1); - audio->closeStream(stream2); - delete audio; - if (data1) free(data1); - if (data2) free(data2); - - return 0; -} |
