diff options
| -rw-r--r-- | sv.c | 153 |
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(¤t_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(¤t_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) { |