diff options
Diffstat (limited to 'examples')
| -rw-r--r-- | examples/CMakeLists.txt | 5 | ||||
| -rw-r--r-- | examples/example.c | 6 | ||||
| -rw-r--r-- | examples/loop.c | 40 | ||||
| -rw-r--r-- | examples/panning.c | 2 |
4 files changed, 49 insertions, 4 deletions
diff --git a/examples/CMakeLists.txt b/examples/CMakeLists.txt index 46e02d4..7fe2030 100644 --- a/examples/CMakeLists.txt +++ b/examples/CMakeLists.txt @@ -8,3 +8,8 @@ add_dependencies(examples example) add_executable(panning ${CMAKE_CURRENT_LIST_DIR}/panning.c) target_link_libraries(panning mossrose) add_dependencies(examples panning) + + +add_executable(loop ${CMAKE_CURRENT_LIST_DIR}/loop.c) +target_link_libraries(loop mossrose) +add_dependencies(examples loop) diff --git a/examples/example.c b/examples/example.c index 5e65d82..eefc41d 100644 --- a/examples/example.c +++ b/examples/example.c @@ -35,17 +35,17 @@ int main() Pa_Sleep(500); printf("play 1\n"); - mossrose_play(&sound_512, -1); + mossrose_play(&sound_512, -1, 1); printf("wait\n"); Pa_Sleep(1000); printf("play 2\n"); - mossrose_play(&sound_440, -1); + mossrose_play(&sound_440, -1, 1); printf("wait\n"); Pa_Sleep(500); printf("play 3\n"); - mossrose_play(&sound_512, -1); + mossrose_play(&sound_512, -1, 1); printf("wait\n"); Pa_Sleep(1000); diff --git a/examples/loop.c b/examples/loop.c new file mode 100644 index 0000000..1be04a9 --- /dev/null +++ b/examples/loop.c @@ -0,0 +1,40 @@ +#include <stdio.h> +#include <math.h> +#include <mossrose.h> +#include <portaudio.h> + +#define PI 3.14159 + + +#define SAMPLE_RATE 44100 +#define N_CHANNELS 8 + +float f(float t) +{ + const int f0 = 440; + const int f1 = 880; + return ( t*f1 ) + ( (1-t)*f0 ); +} + +int main() +{ + float data[SAMPLE_RATE]; + for (long i=0; i<SAMPLE_RATE; i++) { + float time = ((float)i)/SAMPLE_RATE; + data[i] = sin(2*PI*f(time)*time); + } + + struct mossrose_sound_t sound = { + .left = data, .right = NULL, .mono = true, .len = SAMPLE_RATE + }; + + int err = mossrose_init(SAMPLE_RATE, N_CHANNELS, true); + if (err != 0) + fprintf(stderr, "FAILED TO INITIALIZE MOSSROSE\n"); + + int chan = mossrose_play(&sound, -1, 5); + Pa_Sleep(5000); + + mossrose_terminate(); + return 0; +} diff --git a/examples/panning.c b/examples/panning.c index 485833a..b63727b 100644 --- a/examples/panning.c +++ b/examples/panning.c @@ -28,7 +28,7 @@ int main() Pa_Sleep(500); - int chan = mossrose_play(&sound, -1); + int chan = mossrose_play(&sound, -1, 1); for (int i=0; i<8000; i++) { float time = ((float)i)/1000; |