141 lines
3.7 KiB
C
141 lines
3.7 KiB
C
#include <kos.h>
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#include <stdio.h>
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#include <dirent.h>
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#include <dc/video.h>
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#include <dc/biosfont.h>
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#define PL_MPEG_IMPLEMENTATION
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#include "pl_mpeg.h"
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static pvr_ptr_t texture_ptr;
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static int video_width = 0;
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static int video_height = 0;
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static const int tex_size = 512;
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void draw_error(const char *msg) {
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uint16_t *vram = vram_s;
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int x = 20, y = 20;
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for(int i = 0; i < 640 * 480; i++) vram[i] = 0x000F;
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bfont_draw_str(vram + y * 640 + x, 640, 0, msg);
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while(1) {
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MAPLE_FOREACH_BEGIN(MAPLE_FUNC_CONTROLLER, cont_state_t, st)
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if(st->buttons & CONT_START) return;
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MAPLE_FOREACH_END()
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}
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}
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void draw_frame() {
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pvr_poly_cxt_t cxt;
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pvr_poly_hdr_t hdr;
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pvr_vertex_t vert;
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pvr_wait_ready();
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pvr_scene_begin();
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pvr_list_begin(PVR_LIST_OP_POLY);
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pvr_poly_cxt_txr(&cxt, PVR_LIST_OP_POLY, PVR_TXRFMT_RGB565 | PVR_TXRFMT_NONTWIDDLED,
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tex_size, tex_size, texture_ptr, PVR_FILTER_BILINEAR);
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pvr_poly_compile(&hdr, &cxt);
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pvr_prim(&hdr, sizeof(hdr));
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float u_max = (float)video_width / (float)tex_size;
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float v_max = (float)video_height / (float)tex_size;
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vert.flags = PVR_CMD_VERTEX;
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vert.z = 1.0f;
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vert.argb = PVR_PACK_COLOR(1.0f, 1.0f, 1.0f, 1.0f);
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vert.x = 0; vert.y = 0; vert.u = 0; vert.v = 0;
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pvr_prim(&vert, sizeof(vert));
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vert.x = 640; vert.y = 0; vert.u = u_max; vert.v = 0;
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pvr_prim(&vert, sizeof(vert));
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vert.x = 0; vert.y = 480; vert.u = 0; vert.v = v_max;
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pvr_prim(&vert, sizeof(vert));
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vert.flags = PVR_CMD_VERTEX_EOL;
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vert.x = 640; vert.y = 480; vert.u = u_max; vert.v = v_max;
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pvr_prim(&vert, sizeof(vert));
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pvr_list_finish();
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pvr_scene_finish();
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}
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void list_files_on_screen() {
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DIR *dir;
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struct dirent *ent;
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int x = 20, y = 50;
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uint16_t *vram = vram_s;
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dir = opendir("/cd");
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if (dir == NULL) {
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bfont_draw_str(vram + (y * 640) + x, 640, 0, "Error: Could not open /cd");
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return;
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}
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bfont_draw_str(vram + (y * 640) + x, 640, 0, "Files found on /cd:");
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y += 20;
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while ((ent = readdir(dir)) != NULL) {
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char msg[128];
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sprintf(msg, " -> %s", ent->d_name);
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bfont_draw_str(vram + (y * 640) + x, 640, 0, msg);
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y += 20;
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if (y > 450) break;
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}
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closedir(dir);
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}
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void play_video(const char *filename) {
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plm_t *plm = plm_create_with_filename(filename);
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if (!plm) {
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char err[128];
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sprintf(err, "FATAL: Could not open %s", filename);
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draw_error(err);
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return;
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}
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video_width = plm_get_width(plm);
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video_height = plm_get_height(plm);
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while (!plm_has_ended(plm)) {
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plm_frame_t *frame = plm_decode_video(plm);
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if (frame) {
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uint16_t *pix = (uint16_t *)texture_ptr;
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uint8_t *y_plane = frame->y.data;
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for (int y = 0; y < video_height; y++) {
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for (int x = 0; x < video_width; x++) {
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uint8_t brightness = y_plane[y * video_width + x];
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uint16_t r = (brightness >> 3) & 0x1F;
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uint16_t g = (brightness >> 2) & 0x3F;
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uint16_t b = (brightness >> 3) & 0x1F;
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pix[y * tex_size + x] = (r << 11) | (g << 5) | b;
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}
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}
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draw_frame();
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}
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MAPLE_FOREACH_BEGIN(MAPLE_FUNC_CONTROLLER, cont_state_t, st)
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if(st->buttons & CONT_START) return;
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MAPLE_FOREACH_END()
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vid_waitvbl();
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}
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plm_destroy(plm);
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}
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int main(int argc, char **argv) {
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pvr_init_defaults();
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texture_ptr = pvr_mem_malloc(tex_size * tex_size * 2);
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if (!texture_ptr) return -1;
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play_video("/cd/VIDEO.MPG");
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pvr_mem_free(texture_ptr);
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return 0;
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}
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