Refactor texture code + start splitting networking into threads.
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759a99edcf
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1d30dba681
116
main.c
116
main.c
@ -2,6 +2,9 @@
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#include <SDL2/SDL_ttf.h>
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#include <stdio.h>
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#include <semaphore.h>
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#include <pthread.h>
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#include "texture.h"
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#include "audio.h"
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#include "net.h"
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@ -9,15 +12,18 @@
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#define SCREEN_WIDTH 640
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#define SCREEN_HEIGHT 480
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#define TEXT_LINES 20
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#define BODY_TEXT_LINES TEXT_LINES-2
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#define FONT_SIZE SCREEN_HEIGHT/TEXT_LINES
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#define PORT 55555
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typedef enum {
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SOCKET_LISTEN,
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SELECTING_DEVICE,
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RECORDING,
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RECORDED,
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PLAYBACK,
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SOCKET,
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} application_state;
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typedef struct {
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@ -25,6 +31,7 @@ typedef struct {
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audio_state audio;
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int device_index;
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int update_ui;
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sem_t sem;
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} state;
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int init();
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@ -32,6 +39,8 @@ void destroy();
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int select_device(SDL_KeyboardEvent* key_event, int max_index);
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void application_state_to_string(application_state state, char* string);
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void* peer_discovery_t(void* args);
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SDL_Window* window = NULL;
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SDL_Renderer* renderer = NULL;
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@ -39,6 +48,7 @@ int num_devices = 0;
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int handle_input(SDL_Event* event, state* state);
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void handle_task(state* state);
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void render_body_text(text_texture* textures, int len);
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int main(int argc, char* argv[])
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{
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if (!init()) return 1;
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@ -46,33 +56,43 @@ int main(int argc, char* argv[])
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num_devices = SDL_GetNumAudioDevices(1);
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log_message(LOG_INFO, "Num audio devices: %i", num_devices);
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char char_buffer[64];
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char default_fmt[] = "Device selected: %i";
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char device_selected_fmt[] = "Device selected: %i";
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state state;
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state.application_state = SOCKET;
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//state.application_state = SOCKET_LISTEN;
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state.application_state = SELECTING_DEVICE;
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if (!audio_init(&state.audio)) return 1;
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state.device_index = -1;
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state.update_ui = 0;
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sem_init(&state.sem, 0, 1);
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text_texture display_text_texture;
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text_texture_init(&display_text_texture, renderer);
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sprintf(char_buffer, default_fmt, state.device_index);
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text_texture_init(&display_text_texture, renderer, FONT_SIZE);
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sprintf(char_buffer, device_selected_fmt, state.device_index);
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text_texture_load(&display_text_texture, char_buffer);
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text_texture device_textures[num_devices];
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for (int i = 0; i < num_devices; i++) {
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text_texture_init(&device_textures[i], renderer);
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sprintf(char_buffer, "%i: %s", i, SDL_GetAudioDeviceName(i, 1));
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text_texture_load(&device_textures[i], char_buffer);
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}
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text_texture state_text_texture;
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text_texture_init(&state_text_texture, renderer);
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text_texture_init(&state_text_texture, renderer, FONT_SIZE);
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application_state_to_string(state.application_state, char_buffer);
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text_texture_load(&state_text_texture, char_buffer);
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text_texture_frame socket_frame;
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text_texture_frame_init(&socket_frame, BODY_TEXT_LINES, renderer, FONT_SIZE);
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text_texture_frame select_device_frame;
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text_texture_frame_init(&select_device_frame, num_devices, renderer, FONT_SIZE);
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for (int i = 0; i < select_device_frame.len; i++) {
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sprintf(char_buffer, "%i: %s", i, SDL_GetAudioDeviceName(i, 1));
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text_texture_load(&select_device_frame.textures[i], char_buffer);
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}
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pthread_t peer_discovery_thread;
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pthread_create(&peer_discovery_thread, NULL, peer_discovery_t, &state);
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SDL_Event event;
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while (1) {
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sem_wait(&state.sem);
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while (SDL_PollEvent(&event)) {
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SDL_Keycode keysym = event.key.keysym.sym;
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switch (event.type) {
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@ -91,7 +111,7 @@ int main(int argc, char* argv[])
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handle_task(&state);
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if (state.update_ui) {
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sprintf(char_buffer, default_fmt, state.device_index);
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sprintf(char_buffer, device_selected_fmt, state.device_index);
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text_texture_load(&display_text_texture, char_buffer);
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application_state_to_string(state.application_state, char_buffer);
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text_texture_load(&state_text_texture, char_buffer);
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@ -106,29 +126,29 @@ int main(int argc, char* argv[])
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// Render
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text_texture_render(&display_text_texture, 0, 0);
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if (state.application_state == SOCKET_LISTEN) {
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text_texture_frame_render(&socket_frame, 0, FONT_SIZE);
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}
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if (state.application_state == SELECTING_DEVICE) {
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int text_y_offset_step = display_text_texture.height * 2;
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int text_y_offset = text_y_offset_step;
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for (int i = 0; i < num_devices; i++) {
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text_texture_render(&device_textures[i], 0, text_y_offset);
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text_y_offset += text_y_offset_step;
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}
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text_texture_frame_render(&select_device_frame, 0, FONT_SIZE);
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}
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text_texture_render(&state_text_texture, 0, SCREEN_HEIGHT - state_text_texture.height);
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// Update the screen
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SDL_RenderPresent(renderer);
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sem_post(&state.sem);
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}
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cleanup:
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log_message(LOG_INFO, "Cleanup start");
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audio_destroy(&state.audio);
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log_message(LOG_INFO, "Audio done");
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text_texture_free(&display_text_texture);
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for (int i = 0; i < num_devices; i++) {
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text_texture_free(&device_textures[i]);
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}
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text_texture_destroy(&display_text_texture);
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text_texture_destroy(&state_text_texture);
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text_texture_frame_destroy(&socket_frame);
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text_texture_frame_destroy(&select_device_frame);
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log_message(LOG_INFO, "Texture done");
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destroy();
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log_message(LOG_INFO, "Done");
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@ -140,6 +160,18 @@ int handle_input(SDL_Event* event, state* state)
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SDL_Keycode keysym = event->key.keysym.sym;
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switch (state->application_state) {
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case SOCKET_LISTEN:
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switch (keysym) {
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case SDLK_1:
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log_message(LOG_INFO, "Socket button 1 pressed");
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net_broadcast();
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break;
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case SDLK_2:
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log_message(LOG_INFO, "Socket button 2 pressed");
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break;
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}
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break;
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case SELECTING_DEVICE:
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switch (keysym) {
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case SDLK_y:
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@ -163,7 +195,6 @@ int handle_input(SDL_Event* event, state* state)
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audio_device_close(&state->audio, 1);
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audio_recording_init(&state->audio, state->device_index);
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state->update_ui = 1;
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break;
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case RECORDING:
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@ -207,17 +238,6 @@ int handle_input(SDL_Event* event, state* state)
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}
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break;
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case SOCKET:
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switch (keysym) {
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case SDLK_1:
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log_message(LOG_INFO, "Socket button 1 pressed");
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net_broadcast();
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break;
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case SDLK_2:
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log_message(LOG_INFO, "Socket button 2 pressed");
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net_listen_clients();
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break;
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}
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}
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return 1;
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}
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@ -226,6 +246,9 @@ void handle_task(state* state)
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{
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switch (state->application_state) {
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case SOCKET_LISTEN:
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break;
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case SELECTING_DEVICE:
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break;
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@ -246,8 +269,6 @@ void handle_task(state* state)
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}
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break;
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case SOCKET:
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break;
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}
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}
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@ -318,8 +339,11 @@ int select_device(SDL_KeyboardEvent* key_event, int max_index)
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void application_state_to_string(application_state state, char* string)
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{
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switch (state) {
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case SOCKET_LISTEN:
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sprintf(string, "Socket");
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break;
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case SELECTING_DEVICE:
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sprintf(string, "Selecting Device [0-9] -> [y/RET], ");
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sprintf(string, "Selecting Device [0-9] -> [y/RET]");
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break;
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case RECORDING:
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sprintf(string, "Recording [ESC]: CANCEL");
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@ -330,8 +354,16 @@ void application_state_to_string(application_state state, char* string)
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case PLAYBACK:
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sprintf(string, "Playing [ESC]: CANCEL");
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break;
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case SOCKET:
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sprintf(string, "Socket");
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break;
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}
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}
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void* peer_discovery_t(void* args)
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{
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state* state = args;
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while (1) {
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sem_wait(&state->sem);
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net_listen_clients();
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sem_post(&state->sem);
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sleep(1);
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}
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}
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40
texture.c
40
texture.c
@ -1,11 +1,11 @@
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#include "texture.h"
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#include "log.h"
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int text_texture_init(text_texture* text_texture, SDL_Renderer* renderer)
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int text_texture_init(text_texture* text_texture, SDL_Renderer* renderer, int font_size)
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{
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text_texture->texture = NULL;
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text_texture->renderer = renderer;
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text_texture->font = TTF_OpenFont("FiraCode-Regular.ttf", 24);
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text_texture->font = TTF_OpenFont("FiraCode-Regular.ttf", font_size);
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if (!text_texture->font) {
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log_message(LOG_ERROR, "Failed to load font! TTF_Error: %s", TTF_GetError());
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return 0;
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@ -23,6 +23,7 @@ int text_texture_load(text_texture* text_texture, char* string)
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}
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SDL_Color text_color = { 255, 255, 255 };
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if (strlen(string) == 0) string = " ";
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SDL_Surface* text_surface = TTF_RenderText_Solid(text_texture->font, string, text_color);
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if (!text_surface) {
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log_message(LOG_ERROR, "Unable to render text surface! TTF_Error: %s", TTF_GetError());
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@ -35,7 +36,7 @@ int text_texture_load(text_texture* text_texture, char* string)
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return 0;
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}
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text_texture->texture = SDL_CreateTextureFromSurface(text_texture->renderer, text_surface);
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text_texture->texture = texture;
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text_texture->width = text_surface->w;
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text_texture->height = text_surface->h;
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@ -62,11 +63,42 @@ int text_texture_render(text_texture* text_texture, int x, int y)
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return 1;
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}
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int text_texture_free(text_texture* text_texture)
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int text_texture_destroy(text_texture* text_texture)
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{
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if (!text_texture->texture) {
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return 0;
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}
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SDL_DestroyTexture(text_texture->texture);
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TTF_CloseFont(text_texture->font);
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return 1;
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}
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int text_texture_frame_init(text_texture_frame* text_texture_frame, int len, SDL_Renderer* renderer, int font_size)
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{
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text_texture_frame->textures = malloc(len*sizeof(text_texture));
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for (int i = 0; i < len; i++) {
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text_texture_init(&text_texture_frame->textures[i], renderer, font_size);
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}
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text_texture_frame->len = len;
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return 1;
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}
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int text_texture_frame_render(text_texture_frame* text_texture_frame, int x, int y)
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{
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int text_y_offset_step = TTF_FontHeight(text_texture_frame->textures[0].font);
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int text_y_offset = y;
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for (int i = 0; i < text_texture_frame->len; i++) {
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text_texture_render(&text_texture_frame->textures[i], x, text_y_offset);
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text_y_offset += text_y_offset_step;
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}
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return 1;
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}
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int text_texture_frame_destroy(text_texture_frame* text_texture_frame)
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{
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for (int i = 0; i < text_texture_frame->len; i++) {
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text_texture_destroy(&text_texture_frame->textures[i]);
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}
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free(text_texture_frame->textures);
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return 1;
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}
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13
texture.h
13
texture.h
@ -12,9 +12,18 @@ typedef struct {
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int height;
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} text_texture;
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int text_texture_init(text_texture* text_texture, SDL_Renderer* renderer);
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typedef struct {
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text_texture* textures;
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int len;
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} text_texture_frame;
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int text_texture_init(text_texture* text_texture, SDL_Renderer* renderer, int font_size);
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int text_texture_load(text_texture* text_texture, char* string);
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int text_texture_render(text_texture* text_texture, int x, int y);
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int text_texture_free(text_texture* text_texture);
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int text_texture_destroy(text_texture* text_texture);
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int text_texture_frame_init(text_texture_frame* text_texture_frame, int len, SDL_Renderer* renderer, int font_size);
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int text_texture_frame_render(text_texture_frame* text_texture_frame, int x, int y);
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int text_texture_frame_destroy(text_texture_frame* text_texture_frame);
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#endif
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