ref: ae61f141411fc329d803b8f40278a1063a96f1a7
dir: /player/player.cpp/
#include <stdio.h>
#include <string.h>
#include <string>
#include <map>
#include <vector>
#include "glad.h"
#include <GLFW/glfw3.h>
#if defined(__APPLE__)
#define USE_GLES3
#include <OpenGL/gl3.h>
#endif
#include "FreeSans.h"
#include "audio_sdl.h"
#include "decode.h"
#define STB_IMAGE_IMPLEMENTATION
#include "stb_image.h"
//#define NK_INCLUDE_FIXED_TYPES
//#define NK_INCLUDE_STANDARD_IO
#define NK_INCLUDE_STANDARD_VARARGS
#define NK_INCLUDE_DEFAULT_ALLOCATOR
#define NK_INCLUDE_VERTEX_BUFFER_OUTPUT
#define NK_INCLUDE_FONT_BAKING
#define NK_INCLUDE_DEFAULT_FONT
#define NK_IMPLEMENTATION
#define NK_GLFW_GL3_IMPLEMENTATION
#include "nuklear.h"
#include "nuklear_glfw_gl3.h"
#include "style.h"
#define MAX_VERTEX_BUFFER 512 * 1024
#define MAX_ELEMENT_BUFFER 128 * 1024
#ifdef USE_GLES3
static PFNGLGENERATEMIPMAPPROC glGenerateMipmap;
#endif
static void *_ctx;
static GLFWwindow *_mainWindow;
static std::map<std::string, int> _previews;
static std::vector<std::string> _playlist;
static void *_render;
decoder _dec;
static int load_image(const stbi_uc *data, int len)
{
GLuint tex;
int width, height, n;
unsigned char *pix = stbi_load_from_memory(data, len, &width, &height, &n, 4);
if (!pix)
return 0;
glGenTextures(1, &tex);
glBindTexture(GL_TEXTURE_2D, tex);
#ifndef USE_GLES3
glTexParameteri(GL_TEXTURE_2D, GL_GENERATE_MIPMAP, GL_TRUE);
#endif
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR_MIPMAP_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, width, height, 0, GL_RGBA, GL_UNSIGNED_BYTE, pix);
#ifdef USE_GLES3
glGenerateMipmap(GL_TEXTURE_2D);
#endif
return (int)tex;
}
static void close()
{
glfwMakeContextCurrent(_mainWindow);
for (auto it = _previews.begin(); it != _previews.end(); it++)
{
GLuint tex = it->second;
glDeleteTextures(1, &tex);
}
glfwDestroyWindow(_mainWindow);
glfwTerminate();
}
static int init()
{
if (!glfwInit())
{
printf("error: glfw init failed\n");
return false;
}
#ifdef USE_GLES3
glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 3);
glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE);
#else
glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 2);
glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 0);
#endif
glfwWindowHint(GLFW_RESIZABLE, 1);
_mainWindow = glfwCreateWindow(400, 600, "Lion Audio Player", NULL, NULL);
if (!_mainWindow)
{
printf("error: create window failed\n"); fflush(stdout);
exit(1);
}
glfwMakeContextCurrent(_mainWindow);
#ifdef USE_GLES3
glGenerateMipmap = (PFNGLGENERATEMIPMAPPROC)glfwGetProcAddress("glGenerateMipmap");
#endif
glfwSetInputMode(_mainWindow, GLFW_STICKY_MOUSE_BUTTONS, 1);
gladLoadGL();
_ctx = (void*)nk_glfw3_init(_mainWindow, NK_GLFW3_INSTALL_CALLBACKS);
struct nk_font_atlas *atlas;
struct nk_font_config fconfig = nk_font_config(20);
fconfig.range = nk_font_cyrillic_glyph_ranges();
nk_glfw3_font_stash_begin(&atlas);
atlas->default_font = nk_font_atlas_add_from_memory(atlas, FreeSans, FreeSansLen, 20, &fconfig);;
nk_glfw3_font_stash_end();
}
static void tick()
{
//glfwMakeContextCurrent(_mainWindow);
float bg[4];
nk_color_fv(bg, nk_rgb(28,48,62));
int width, height, i;
glfwGetWindowSize(_mainWindow, &width, &height);
glViewport(0, 0, width, height);
glClearColor(bg[0], bg[1], bg[2], bg[3]);
glClear(GL_COLOR_BUFFER_BIT);
glfwPollEvents();
nk_context *ctx = (nk_context *)_ctx;
nk_glfw3_new_frame();
if (nk_begin(ctx, "Player", nk_rect(0, 0, width, height), 0))
{
nk_layout_row_dynamic(ctx, 25, 2);
nk_label(ctx, "Theme:", NK_TEXT_LEFT);
static int _cur_theme;
static const char *themes[] = { "black", "white", "red", "blue", "dark"};
int res = nk_combo(ctx, themes, sizeof(themes)/sizeof(themes[0]), _cur_theme, 25, nk_vec2(200,200));
if (_cur_theme != res)
set_style(ctx, (theme)res);
_cur_theme = res;
nk_layout_row_dynamic(ctx, 25, 2);
nk_label(ctx, "Audio Playback Device:", NK_TEXT_LEFT);
static int _cur_apdevice;
const char **devs = (const char**)alloca(1*sizeof(char*));
//for (i = 0; i < ; i++)
// devs[i] = ;
devs[0] = "default";
res = nk_combo(ctx, devs, 1, _cur_apdevice, 25, nk_vec2(200,200));
//if (_cur_apdevice != res)
// change_device(res);
_cur_apdevice = res;
nk_layout_row_dynamic(ctx, 25, 1);
nk_button_push_behavior(ctx, NK_BUTTON_DEFAULT2);
static int _play_state, _selected;
if (!_play_state)
{
if (nk_button_label(ctx, "Play") && _selected < (int)_playlist.size())
{
_play_state = 1;
sdl_audio_set_dec(_render, 0);
open_dec(&_dec, _playlist[_selected].c_str());
sdl_audio_set_dec(_render, &_dec);
}
} else
{
if (nk_button_label(ctx, "Stop"))
{
_play_state = 0;
sdl_audio_set_dec(_render, 0);
//stop();
}
}
nk_button_pop_behavior(ctx);
if (nk_tree_push(ctx, NK_TREE_TAB, "Playlist", NK_MAXIMIZED))
{
for (i = 0; i < (int)_playlist.size(); i++)
{
nk_layout_row_begin(ctx, NK_DYNAMIC, 32, 2);
nk_layout_row_push(ctx, 0.1f);
auto av = _previews.find(_playlist[i].c_str());
if (av != _previews.end())
{
nk_image(ctx, nk_image_id(av->second));
}
nk_layout_row_push(ctx, 0.9f);
const char *name = _playlist[i].c_str();
if (nk_select_label(ctx, name, NK_TEXT_LEFT, _selected == i))
_selected = i;
nk_layout_row_end(ctx);
}
nk_tree_pop(ctx);
}
}
nk_end(ctx);
nk_glfw3_render(NK_ANTI_ALIASING_ON, MAX_VERTEX_BUFFER, MAX_ELEMENT_BUFFER);
glfwSwapBuffers(_mainWindow);
//glfwMakeContextCurrent(0);
}
int main(int argc, char *argv[])
{
sdl_audio_init(&_render, 44100, 2, 0, 0);
init();
for (int i = 1; i < argc; i++)
_playlist.push_back(argv[i]);
while (!glfwWindowShouldClose(_mainWindow))
{
tick();
}
close();
sdl_audio_release(_render);
}