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-rw-r--r--sv.c153
1 files changed, 79 insertions, 74 deletions
diff --git a/sv.c b/sv.c
index 2c48620..a7c01cd 100644
--- a/sv.c
+++ b/sv.c
@@ -18,6 +18,8 @@
int width = 1918;
int height = 1078;
+//int width = 800;
+//int height = 640;
GLFWwindow* window;
GLuint vertex;
GLuint fragment;
@@ -43,16 +45,18 @@ Image images[8];
float params[4];
-int recording = 1;
+int record = 0;
+int recording = 0;
+int fullscreen = 0;
-static snd_seq_t *seq_handle;
-static int in_port;
+FILE* ffmpeg;
-void midi_open(void) {
- MIDICHK(snd_seq_open(&seq_handle, "default", SND_SEQ_OPEN_INPUT, 0), "Could not open sequencer");
- MIDICHK(snd_seq_set_client_name(seq_handle, "SV"), "Could not set client name");
- MIDICHK(in_port = snd_seq_create_simple_port(seq_handle, "sv:in", SND_SEQ_PORT_CAP_WRITE|SND_SEQ_PORT_CAP_SUBS_WRITE, SND_SEQ_PORT_TYPE_APPLICATION), "Could not open port");
-}
+static snd_seq_t *midi_seq;
+static int midiin;
+
+int ticks =0;
+int running = 0;
+int program=0;
void screenshot() {
unsigned char pixels[width*height*4];
@@ -155,19 +159,6 @@ void resize_callback(GLFWwindow* window, int w, int h) {
glUniform2f(glGetUniformLocation(shader.id, "resolution"),width,height);
}
-void createWindow() {
- glfwInit();
- glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 4);
- //glfwWindowHint(GLFW_DECORATED, GL_FALSE);
- window = glfwCreateWindow(width,height, "sv", NULL, NULL);
- //window = glfwCreateWindow(width,height, "", glfwGetPrimaryMonitor(), NULL);
- //glfwSetWindowSizeCallback(window, resize_callback);
- glfwMakeContextCurrent(window);
- glfwSetKeyCallback(window, key_callback);
- glfwSetErrorCallback(error_callback);
- glewInit();
-}
-
void readImage(int i) {
images[i].new = 1;
@@ -194,30 +185,15 @@ void readImage(int i) {
stbi_image_free(pixels);
}
-void updateImages(int force) {
- for (int i = 0; i<8; i++) {
- if (images[i].new || force) {
- readImage(i);
- images[i].new = 0;
- }
- }
-}
-
-void updateParams() {
- for (int i = 0; i<4; i++) {
- glUniform1f(glGetUniformLocation(shader.id, "params")+i, params[i]);
- }
-}
-
-int ticks =0;
-int running = 0;
-int program=0;
-
void *readMidi() {
- midi_open();
+
+ MIDICHK(snd_seq_open(&midi_seq, "default", SND_SEQ_OPEN_INPUT, 0), "Could not open sequencer");
+ MIDICHK(snd_seq_set_client_name(midi_seq, "SV"), "Could not set client name");
+ MIDICHK(midiin = snd_seq_create_simple_port(midi_seq, "sv:in", SND_SEQ_PORT_CAP_WRITE|SND_SEQ_PORT_CAP_SUBS_WRITE, SND_SEQ_PORT_TYPE_APPLICATION), "Could not open port");
+
while(1) {
snd_seq_event_t *ev = NULL;
- snd_seq_event_input(seq_handle, &ev);
+ snd_seq_event_input(midi_seq, &ev);
if (ev->type == SND_SEQ_EVENT_NOTEON) {
int note = ev->data.note.note;
if (note >= 36) program = note-36;
@@ -229,14 +205,30 @@ void *readMidi() {
}
else if(ev->type == SND_SEQ_EVENT_SONGPOS)
ticks = ev->data.control.value*24;
- else if(ev->type == SND_SEQ_EVENT_START)
+ else if(ev->type == SND_SEQ_EVENT_START) {
running = 1;
- else if(ev->type == SND_SEQ_EVENT_STOP)
+ if (record) {
+ time_t current_time = time(NULL);
+ char output_file[25];
+ strftime(output_file, 25, "%Y-%m-%d_%H%M%S.mp4", localtime(&current_time));
+ const char* cmd = "ffmpeg -r 60 -f rawvideo -pix_fmt rgba -s 1918x1078 -i - "
+ "-threads 0 -preset veryfast -y -pix_fmt yuv420p -c:v libx264 -crf 18 -vf vflip output.mp4";
+
+ ffmpeg = popen(cmd, "w");
+ recording = 1;
+ }
+ }
+ else if(ev->type == SND_SEQ_EVENT_STOP) {
running = 0;
+ if (recording) {
+ recording = 0;
+ pclose(ffmpeg);
+ }
+ }
else if(ev->type == SND_SEQ_EVENT_CONTINUE)
running = 1;
else if(ev->type == SND_SEQ_EVENT_CLOCK)
- if (running == 1) ticks++;
+ if (running) ticks++;
}
}
@@ -251,56 +243,69 @@ void *watchShader() {
int main(int argc, char **argv) {
- createWindow();
+ // parse options
+ int opt;
+ while ((opt = getopt(argc, argv, "rf")) != -1) {
+ switch (opt) {
+ case 'r': record = 1; fullscreen = 1; break;
+ case 'f': fullscreen = 1; break;
+ }
+ }
+
+ for (int i = optind; i<argc; i++) {
+ strncpy(images[i-optind].path, argv[i],40);
+ images[i-optind].new = 1;
+ }
+
+ // createWindow
+ glfwInit();
+ glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 4);
+ glfwWindowHint(GLFW_DECORATED, GL_FALSE);
+ if (fullscreen) {
+ window = glfwCreateWindow(width,height, "", glfwGetPrimaryMonitor(), NULL);
+ } else {
+ window = glfwCreateWindow(width,height, "sv", NULL, NULL);
+ glfwSetWindowSizeCallback(window, resize_callback);
+ }
+ glfwMakeContextCurrent(window);
+ glfwSetKeyCallback(window, key_callback);
+ glfwSetErrorCallback(error_callback);
+ glewInit();
+
strncpy(shader.fragment,"shader.frag",40);
shader.new = 1;
unsigned int VAO;
glGenVertexArrays(1, &VAO);
glBindVertexArray(VAO);
- for (int i = 1; i<argc; i++) {
- strncpy(images[i-1].path, argv[i],40);
- images[i-1].new = 1;
- }
+
+ glfwGetWindowSize(window, &width, &height);
glCreateTextures(GL_TEXTURE_2D,1,&backbuffer);
glTextureStorage2D(backbuffer,1,GL_RGBA32F,width,height);
glBindImageTexture(0,backbuffer, 0, GL_FALSE, 0, GL_READ_WRITE, GL_RGBA32F);
- updateImages(0);
+ for (int i = 0; i<8; i++) {
+ readImage(i);
+ images[i].new = 0;
+ }
pthread_t midiin_t;
pthread_create(&midiin_t, NULL, readMidi, NULL);
pthread_t frag_t;
pthread_create(&frag_t, NULL, watchShader, NULL);
- FILE* ffmpeg;
- if (recording) {
- //char* cmd;
- printf("%ix%i\n",width,height);
- time_t current_time = time(NULL);
- char output_file[25];
- strftime(output_file, 25, "%Y-%m-%d_%H%M%S.mp4", localtime(&current_time));
- //printf(output_file);
- const char* cmd = "ffmpeg -r 24 -f rawvideo -pix_fmt rgba -s 1918x1078 -i - "
- "-threads 0 -preset veryfast -y -pix_fmt yuv420p -c:v libx264 -crf 18 -vf vflip output.mp4";
-
- printf(cmd);
- ffmpeg = popen(cmd, "w");
- /*
- sprintf(cmd,"ffmpeg -r 60 -f rawvideo -pix_fmt rgba -s %ix%i -i - -threads 0 -preset fast -y -pix_fmt yuv420p -crf 21 -vf vflip %s",width,height,output_file);
- */
- }
-
while (!glfwWindowShouldClose(window)) {
- glUniform1f(glGetUniformLocation(shader.id, "time"),glfwGetTime());
- glUniform1f(glGetUniformLocation(shader.id, "ticks"),(float)ticks);
- glUniform1i(glGetUniformLocation(shader.id, "program"),program);
if (shader.new) {
createShader();
glUniform2f(glGetUniformLocation(shader.id, "resolution"),width,height); // important!!
for (int i = 0; i<8; i++) { imageUniforms(i); }
- updateParams();
shader.new = 0;
}
- updateParams();
+ glUniform1f(glGetUniformLocation(shader.id, "time"),glfwGetTime());
+ glUniform1f(glGetUniformLocation(shader.id, "ticks"),(float)ticks);
+ glUniform1i(glGetUniformLocation(shader.id, "program"),program);
+ for (int i = 0; i<4; i++) {
+ glUniform1f(glGetUniformLocation(shader.id, "params")+i, params[i]);
+ }
+
glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
glfwSwapBuffers(window);
if (recording) {
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-21 12:57:15 +0000