Added SDL 1c0f6952e65e.

This commit is contained in:
rude
2015-03-15 15:47:43 +01:00
parent 4d04ac181e
commit 6a2aff6450
1109 changed files with 160136 additions and 33995 deletions
+112 -52
View File
@@ -20,6 +20,10 @@
#include <stdio.h>
#include <string.h>
#ifdef __EMSCRIPTEN__
#include <emscripten/emscripten.h>
#endif
#include "SDL.h"
#define MOOSEPIC_W 64
@@ -135,6 +139,18 @@ SDL_Color MooseColors[84] = {
, {239, 206, 173}
};
Uint8 MooseFrame[MOOSEFRAMES_COUNT][MOOSEFRAME_SIZE*2];
SDL_Texture *MooseTexture;
SDL_Rect displayrect;
int window_w;
int window_h;
SDL_Window *window;
SDL_Renderer *renderer;
int paused = 0;
int i;
SDL_bool done = SDL_FALSE;
Uint32 pixel_format = SDL_PIXELFORMAT_YV12;
int fpsdelay;
/* Call this instead of exit(), so we can clean up SDL: atexit() is evil. */
static void
@@ -206,6 +222,29 @@ ConvertRGBtoYV12(Uint8 *rgb, Uint8 *out, int w, int h,
}
}
void
ConvertRGBtoNV12(Uint8 *rgb, Uint8 *out, int w, int h,
int monochrome, int luminance)
{
int x, y;
int yuv[3];
Uint8 *op[2];
op[0] = out;
op[1] = op[0] + w*h;
for (y = 0; y < h; ++y) {
for (x = 0; x < w; ++x) {
RGBtoYUV(rgb, yuv, monochrome, luminance);
*(op[0]++) = yuv[0];
if (x % 2 == 0 && y % 2 == 0) {
*(op[1]++) = yuv[1];
*(op[1]++) = yuv[2];
}
rgb += 3;
}
}
}
static void
PrintUsage(char *argv0)
{
@@ -223,27 +262,74 @@ PrintUsage(char *argv0)
SDL_Log("\n");
}
void
loop()
{
SDL_Event event;
while (SDL_PollEvent(&event)) {
switch (event.type) {
case SDL_WINDOWEVENT:
if (event.window.event == SDL_WINDOWEVENT_RESIZED) {
SDL_RenderSetViewport(renderer, NULL);
displayrect.w = window_w = event.window.data1;
displayrect.h = window_h = event.window.data2;
}
break;
case SDL_MOUSEBUTTONDOWN:
displayrect.x = event.button.x - window_w / 2;
displayrect.y = event.button.y - window_h / 2;
break;
case SDL_MOUSEMOTION:
if (event.motion.state) {
displayrect.x = event.motion.x - window_w / 2;
displayrect.y = event.motion.y - window_h / 2;
}
break;
case SDL_KEYDOWN:
if (event.key.keysym.sym == SDLK_SPACE) {
paused = !paused;
break;
}
if (event.key.keysym.sym != SDLK_ESCAPE) {
break;
}
case SDL_QUIT:
done = SDL_TRUE;
break;
}
}
#ifndef __EMSCRIPTEN__
SDL_Delay(fpsdelay);
#endif
if (!paused) {
i = (i + 1) % MOOSEFRAMES_COUNT;
SDL_UpdateTexture(MooseTexture, NULL, MooseFrame[i], MOOSEPIC_W*SDL_BYTESPERPIXEL(pixel_format));
}
SDL_RenderClear(renderer);
SDL_RenderCopy(renderer, MooseTexture, NULL, &displayrect);
SDL_RenderPresent(renderer);
}
int
main(int argc, char **argv)
{
Uint8 *RawMooseData;
SDL_RWops *handle;
int window_w;
int window_h;
SDL_Window *window;
SDL_Renderer *renderer;
Uint8 MooseFrame[MOOSEFRAMES_COUNT][MOOSEFRAME_SIZE*2];
SDL_Texture *MooseTexture;
SDL_Rect displayrect;
SDL_Event event;
int paused = 0;
int i, j;
int j;
int fps = 12;
int fpsdelay;
int nodelay = 0;
#ifdef TEST_NV12
Uint32 pixel_format = SDL_PIXELFORMAT_NV12;
#else
Uint32 pixel_format = SDL_PIXELFORMAT_YV12;
#endif
int scale = 5;
SDL_bool done = SDL_FALSE;
/* Enable standard application logging */
SDL_LogSetPriority(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_INFO);
@@ -371,7 +457,17 @@ main(int argc, char **argv)
rgb[2] = MooseColors[frame[j]].b;
rgb += 3;
}
ConvertRGBtoYV12(MooseFrameRGB, MooseFrame[i], MOOSEPIC_W, MOOSEPIC_H, 0, 100);
switch (pixel_format) {
case SDL_PIXELFORMAT_YV12:
ConvertRGBtoYV12(MooseFrameRGB, MooseFrame[i], MOOSEPIC_W, MOOSEPIC_H, 0, 100);
break;
case SDL_PIXELFORMAT_NV12:
ConvertRGBtoNV12(MooseFrameRGB, MooseFrame[i], MOOSEPIC_W, MOOSEPIC_H, 0, 100);
break;
default:
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Unsupported pixel format\n");
break;
}
}
free(RawMooseData);
@@ -393,50 +489,14 @@ main(int argc, char **argv)
SDL_EventState(SDL_KEYUP, SDL_IGNORE);
/* Loop, waiting for QUIT or RESIZE */
#ifdef __EMSCRIPTEN__
emscripten_set_main_loop(loop, nodelay ? 0 : fps, 1);
#else
while (!done) {
while (SDL_PollEvent(&event)) {
switch (event.type) {
case SDL_WINDOWEVENT:
if (event.window.event == SDL_WINDOWEVENT_RESIZED) {
SDL_RenderSetViewport(renderer, NULL);
displayrect.w = window_w = event.window.data1;
displayrect.h = window_h = event.window.data2;
}
break;
case SDL_MOUSEBUTTONDOWN:
displayrect.x = event.button.x - window_w / 2;
displayrect.y = event.button.y - window_h / 2;
break;
case SDL_MOUSEMOTION:
if (event.motion.state) {
displayrect.x = event.motion.x - window_w / 2;
displayrect.y = event.motion.y - window_h / 2;
}
break;
case SDL_KEYDOWN:
if (event.key.keysym.sym == SDLK_SPACE) {
paused = !paused;
break;
}
if (event.key.keysym.sym != SDLK_ESCAPE) {
break;
}
case SDL_QUIT:
done = SDL_TRUE;
break;
loop();
}
}
SDL_Delay(fpsdelay);
#endif
if (!paused) {
i = (i + 1) % MOOSEFRAMES_COUNT;
SDL_UpdateTexture(MooseTexture, NULL, MooseFrame[i], MOOSEPIC_W*SDL_BYTESPERPIXEL(pixel_format));
}
SDL_RenderClear(renderer);
SDL_RenderCopy(renderer, MooseTexture, NULL, &displayrect);
SDL_RenderPresent(renderer);
}
SDL_DestroyRenderer(renderer);
quit(0);
return 0;