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-rw-r--r--examples/Makefile5
-rw-r--r--examples/example1.c81
-rw-r--r--examples/example2.c76
-rw-r--r--examples/example4.c127
4 files changed, 0 insertions, 289 deletions
diff --git a/examples/Makefile b/examples/Makefile
deleted file mode 100644
index 5f77125..0000000
--- a/examples/Makefile
+++ /dev/null
@@ -1,5 +0,0 @@
-tests:
- $(CC) -Wall example1.c ../minisdl_audio.c -lm -ldl -lpthread -o example1
- $(CC) -Wall example2.c ../minisdl_audio.c -lm -ldl -lpthread -o example2
- $(CC) -Wall example4.c -lasound -lm -o example4
-
diff --git a/examples/example1.c b/examples/example1.c
deleted file mode 100644
index 91800ad..0000000
--- a/examples/example1.c
+++ /dev/null
@@ -1,81 +0,0 @@
-#define TSF_IMPLEMENTATION
-#include "../tsf.h"
-
-#include "../minisdl_audio.h"
-
-//This is a minimal SoundFont with a single loopin saw-wave sample/instrument/preset (484 bytes)
-const static unsigned char MinimalSoundFont[] = {
-#define TEN0 0,0,0,0,0,0,0,0,0,0
- 'R','I','F','F',220,1,0,0,'s','f','b','k',
- 'L','I','S','T',88,1,0,0,'p','d','t','a',
- 'p','h','d','r',76,TEN0,TEN0,TEN0,TEN0,0,0,0,0,TEN0,0,0,0,0,0,0,0,255,0,255,0,1,TEN0,0,0,0,
- 'p','b','a','g',8,0,0,0,0,0,0,0,1,0,0,0,'p','m','o','d',10,TEN0,0,0,0,'p','g','e','n',8,0,0,0,41,0,0,0,0,0,0,0,
- 'i','n','s','t',44,TEN0,TEN0,0,0,0,0,0,0,0,0,TEN0,0,0,0,0,0,0,0,1,0,
- 'i','b','a','g',8,0,0,0,0,0,0,0,2,0,0,0,'i','m','o','d',10,TEN0,0,0,0,
- 'i','g','e','n',12,0,0,0,54,0,1,0,53,0,0,0,0,0,0,0,
- 's','h','d','r',92,TEN0,TEN0,0,0,0,0,0,0,0,50,0,0,0,0,0,0,0,49,0,0,0,34,86,0,0,60,0,0,0,1,TEN0,TEN0,TEN0,TEN0,0,0,0,0,0,0,0,
- 'L','I','S','T',112,0,0,0,'s','d','t','a','s','m','p','l',100,0,0,0,86,0,119,3,31,7,147,10,43,14,169,17,58,21,189,24,73,28,204,31,73,35,249,38,46,42,71,46,250,48,150,53,242,55,126,60,151,63,108,66,126,72,207,
- 70,86,83,100,72,74,100,163,39,241,163,59,175,59,179,9,179,134,187,6,186,2,194,5,194,15,200,6,202,96,206,159,209,35,213,213,216,45,220,221,223,76,227,221,230,91,234,242,237,105,241,8,245,118,248,32,252
-};
-
-// Holds the global instance pointer
-static tsf* g_TinySoundFont;
-
-// Callback function called by the audio thread
-static void AudioCallback(void* data, Uint8 *stream, int len) {
- // Note we don't do any thread concurrency control here because in this
- // example all notes are started before the audio playback begins.
- // If you do play notes while the audio thread renders output you
- // will need a mutex of some sort.
- int SampleCount = (len / (2 * sizeof(short))); //2 output channels
- tsf_render_short(g_TinySoundFont, (short*)stream, SampleCount, 0);
-}
-
-int main(int argc, char *argv[]) {
- // Define the desired audio output format we request
- SDL_AudioSpec OutputAudioSpec;
- OutputAudioSpec.freq = 44100;
- OutputAudioSpec.format = AUDIO_S16;
- OutputAudioSpec.channels = 2;
- OutputAudioSpec.samples = 4096;
- OutputAudioSpec.callback = AudioCallback;
-
- // Initialize the audio system
- if (SDL_AudioInit(NULL) < 0) {
- fprintf(stderr, "Could not initialize audio hardware or driver\n");
- return 1;
- }
-
- // Load the SoundFont from the memory block
- g_TinySoundFont = tsf_load_memory(MinimalSoundFont, sizeof(MinimalSoundFont));
- if (!g_TinySoundFont) {
- fprintf(stderr, "Could not load soundfont\n");
- return 1;
- }
-
- // Set the rendering output mode to 44.1khz and -10 decibel gain
- tsf_set_output(g_TinySoundFont, TSF_STEREO_INTERLEAVED, OutputAudioSpec.freq, -10);
-
- // Start two notes before starting the audio playback
- tsf_note_on(g_TinySoundFont, 0, 48, 1.0f); //C2
- tsf_note_on(g_TinySoundFont, 0, 52, 1.0f); //E2
-
- // Request the desired audio output format
- if (SDL_OpenAudio(&OutputAudioSpec, NULL) < 0) {
- fprintf(stderr, "Could not open the audio hardware or the desired audio output format\n");
- return 1;
- }
-
- // Start the actual audio playback here
- // The audio thread will begin to call our AudioCallback function
- SDL_PauseAudio(0);
-
- // Let the audio callback play some sound for 3 seconds
- SDL_Delay(3000);
-
- // We could call tsf_close(g_TinySoundFont) and SDL_DestroyMutex(g_Mutex)
- // here to free the memory and resources but we just let the OS clean up
- // because the process ends here.
- return 0;
-}
-
diff --git a/examples/example2.c b/examples/example2.c
deleted file mode 100644
index 8518744..0000000
--- a/examples/example2.c
+++ /dev/null
@@ -1,76 +0,0 @@
-#include "../minisdl_audio.h"
-
-#define TSF_IMPLEMENTATION
-#include "../tsf.h"
-
-// Holds the global instance pointer
-static tsf* g_TinySoundFont;
-
-// A Mutex so we don't call note_on/note_off while rendering audio samples
-static SDL_mutex* g_Mutex;
-
-static void AudioCallback(void* data, Uint8 *stream, int len) {
- // Render the audio samples in float format
- int SampleCount = (len / (2 * sizeof(float))); //2 output channels
- SDL_LockMutex(g_Mutex); //get exclusive lock
- tsf_render_float(g_TinySoundFont, (float*)stream, SampleCount, 0);
- SDL_UnlockMutex(g_Mutex);
-}
-
-int main(int argc, char *argv[]) {
- int i, Notes[7] = { 48, 50, 52, 53, 55, 57, 59 };
-
- // Define the desired audio output format we request
- SDL_AudioSpec OutputAudioSpec;
- OutputAudioSpec.freq = 44100;
- OutputAudioSpec.format = AUDIO_F32;
- OutputAudioSpec.channels = 2;
- OutputAudioSpec.samples = 4096;
- OutputAudioSpec.callback = AudioCallback;
-
- // Initialize the audio system
- if (SDL_AudioInit(TSF_NULL) < 0) {
- fprintf(stderr, "Could not initialize audio hardware or driver\n");
- return 1;
- }
-
- // Load the SoundFont from a file
- g_TinySoundFont = tsf_load_filename("../soundfonts/florestan-subset.sf2");
- if (!g_TinySoundFont) {
- fprintf(stderr, "Could not load SoundFont\n");
- return 1;
- }
-
- // Set the SoundFont rendering output mode
- tsf_set_output(g_TinySoundFont, TSF_STEREO_INTERLEAVED, OutputAudioSpec.freq, 0);
-
- // Create the mutex
- g_Mutex = SDL_CreateMutex();
-
- // Request the desired audio output format
- if (SDL_OpenAudio(&OutputAudioSpec, TSF_NULL) < 0) {
- fprintf(stderr, "Could not open the audio hardware or the desired audio output format\n");
- return 1;
- }
-
- // Start the actual audio playback here
- // The audio thread will begin to call our AudioCallback function
- SDL_PauseAudio(0);
-
- // Loop through all the presets in the loaded SoundFont
- for (i = 0; i < tsf_get_presetcount(g_TinySoundFont); i++) {
- //Get exclusive mutex lock, end the previous note and play a new note
- printf("Play note %d with preset #%d '%s'\n", Notes[i % 7], i, tsf_get_presetname(g_TinySoundFont, i));
- SDL_LockMutex(g_Mutex);
- tsf_note_off(g_TinySoundFont, i - 1, Notes[(i - 1) % 7]);
- tsf_note_on(g_TinySoundFont, i, Notes[i % 7], 1.0f);
- SDL_UnlockMutex(g_Mutex);
- SDL_Delay(1000);
- }
-
- // We could call tsf_close(g_TinySoundFont) and SDL_DestroyMutex(g_Mutex)
- // here to free the memory and resources but we just let the OS clean up
- // because the process ends here.
- return 0;
-}
-
diff --git a/examples/example4.c b/examples/example4.c
deleted file mode 100644
index 1dc9ebe..0000000
--- a/examples/example4.c
+++ /dev/null
@@ -1,127 +0,0 @@
-#include <stdio.h>
-#include <stdlib.h>
-#include <alloca.h>
-#include <signal.h>
-#include <alsa/asoundlib.h>
-
-#define CLIENT_NAME "ttdaw"
-#define MAX_MIDI_PORTS 1
-
-static snd_seq_t *seq_handle;
-static snd_seq_addr_t *ports;
-static int rate = 44100;
-static int stop = 0;
-
-static void sighandler(int sig ATTRIBUTE_UNUSED) {
- stop = 1;
-}
-
-int main(void) {
- fprintf(stdout, "Example: Reading MIDI input\n");
-
- snd_seq_t *seq_handle;
-
- if (snd_seq_open(&seq_handle, "default", SND_SEQ_OPEN_DUPLEX, 0) < 0) {
- fprintf(stderr, "Error opening ALSA sequencer.\n");
- exit(1);
- }
-
- if (snd_seq_set_client_name(seq_handle, CLIENT_NAME) < 0) {
- fprintf(stderr, "Could not set up client name.\n");
- exit(1);
- }
-
- if (snd_seq_create_simple_port(seq_handle, CLIENT_NAME,
- SND_SEQ_PORT_CAP_WRITE |
- SND_SEQ_PORT_CAP_SUBS_WRITE,
- SND_SEQ_PORT_TYPE_MIDI_GENERIC |
- SND_SEQ_PORT_TYPE_APPLICATION) < 0) {
- fprintf(stderr, "Error creating sequencer port.\n");
- exit(1);
- }
-
- // Connecting ports.
- char *port_name = "28:0";
- ports = realloc(ports, MAX_MIDI_PORTS * sizeof(snd_seq_addr_t));
- if (snd_seq_parse_address(seq_handle, &ports[0], port_name) < 0) {
- fprintf(stderr, "Invalid port %s.\n", port_name);
- exit(1);
- }
-
- // Listing assigned ports.
- fprintf(stdout, "Ports:\n");
- for (int j = 0; j < MAX_MIDI_PORTS; j++) {
- fprintf(stdout, " client: %d, port: %d\n", ports[j].client, ports[j].port);
- }
-
- // Connecting ports.
- for (int i = 0; i < MAX_MIDI_PORTS; ++i) {
- int err = snd_seq_connect_from(seq_handle, 0, ports[i].client, ports[i].port);
- if (err < 0) {
- fprintf(stderr, "Cannot connect from port %d:%d - %s", ports[i].client, ports[i].port, snd_strerror(err));
- exit(1);
- }
- }
-
- if (snd_seq_nonblock(seq_handle, 1) < 0) {
- fprintf(stderr, "Set nonblock mode failed.");
- exit(1);
- }
-
- signal(SIGINT, sighandler);
- signal(SIGTERM, sighandler);
-
- // Reading MIDI device.
- struct pollfd *pfds;
- size_t npfds;
-
- npfds = snd_seq_poll_descriptors_count(seq_handle, POLLIN);
- pfds = alloca(sizeof(*pfds) * npfds);
-
- for (;;) {
- snd_seq_poll_descriptors(seq_handle, pfds, npfds, POLLIN);
- if (poll(pfds, npfds, -1) < 0) {
- break;
- }
-
- for (;;) {
- snd_seq_event_t *ev;
-
- if (snd_seq_event_input(seq_handle, &ev) < 0) {
- break;
- }
-
- if (ev) {
- switch (ev->type) {
- case SND_SEQ_EVENT_NOTEON:
- printf("%3d:%-3dNote on %2d, note %d, velocity: %3d\n",
- ev->source.client, ev->source.port,
- ev->data.note.channel,
- ev->data.note.note,
- ev->data.note.velocity);
- break;
-
- case SND_SEQ_EVENT_NOTEOFF:
- printf("%3d:%-3dNote off\t%2d, note %d\n",
- ev->source.client, ev->source.port,
- ev->data.note.channel,
- ev->data.note.note);
- break;
-
-
- }
- }
- }
-
- fflush(stdout);
-
- if (stop) {
- break;
- }
- }
-
- fprintf(stdout, "Finishing up\n");
- snd_seq_close(seq_handle);
- return 0;
-}
-
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