// Inspired by WiiPower's "video toy", but simpler #include "videopatch.h" #include #include #define ARRAY_SIZE(a) (sizeof a / sizeof a[0]) GXRModeObj TVPal528Prog = { 6, // viDisplayMode 640, // fbWidth 528, // efbHeight 528, // xfbHeight (VI_MAX_WIDTH_PAL - 640)/2, // viXOrigin (VI_MAX_HEIGHT_PAL - 528)/2, // viYOrigin 640, // viWidth 528, // viHeight VI_XFBMODE_SF, // xFBmode GX_FALSE, // field_rendering GX_FALSE, // aa // sample points arranged in increasing Y order { {6,6},{6,6},{6,6}, // pix 0, 3 sample points, 1/12 units, 4 bits each {6,6},{6,6},{6,6}, // pix 1 {6,6},{6,6},{6,6}, // pix 2 {6,6},{6,6},{6,6} // pix 3 }, // vertical filter[7], 1/64 units, 6 bits each { 0, // line n-1 0, // line n-1 21, // line n 22, // line n 21, // line n 0, // line n+1 0 // line n+1 } }; GXRModeObj TVPal528ProgSoft = { 6, // viDisplayMode 640, // fbWidth 528, // efbHeight 528, // xfbHeight (VI_MAX_WIDTH_PAL - 640)/2, // viXOrigin (VI_MAX_HEIGHT_PAL - 528)/2, // viYOrigin 640, // viWidth 528, // viHeight VI_XFBMODE_SF, // xFBmode GX_FALSE, // field_rendering GX_FALSE, // aa // sample points arranged in increasing Y order { {6,6},{6,6},{6,6}, // pix 0, 3 sample points, 1/12 units, 4 bits each {6,6},{6,6},{6,6}, // pix 1 {6,6},{6,6},{6,6}, // pix 2 {6,6},{6,6},{6,6} // pix 3 }, // vertical filter[7], 1/64 units, 6 bits each { 8, // line n-1 8, // line n-1 10, // line n 12, // line n 10, // line n 8, // line n+1 8 // line n+1 } }; GXRModeObj TVPal524ProgAa = { 6, // viDisplayMode 640, // fbWidth 264, // efbHeight 524, // xfbHeight (VI_MAX_WIDTH_PAL - 640)/2, // viXOrigin (VI_MAX_HEIGHT_PAL - 528)/2, // viYOrigin 640, // viWidth 524, // viHeight VI_XFBMODE_SF, // xFBmode GX_FALSE, // field_rendering GX_TRUE, // aa // sample points arranged in increasing Y order { {3,2},{9,6},{3,10}, // pix 0, 3 sample points, 1/12 units, 4 bits each {3,2},{9,6},{3,10}, // pix 1 {9,2},{3,6},{9,10}, // pix 2 {9,2},{3,6},{9,10} // pix 3 }, // vertical filter[7], 1/64 units, 6 bits each { 4, // line n-1 8, // line n-1 12, // line n 16, // line n 12, // line n 8, // line n+1 4 // line n+1 } }; static GXRModeObj* vmodes[] = { &TVNtsc240Ds, &TVNtsc240DsAa, &TVNtsc240Int, &TVNtsc240IntAa, &TVNtsc480Int, &TVNtsc480IntAa, &TVNtsc480IntDf, &TVNtsc480Prog, &TVNtsc480ProgSoft, &TVNtsc480ProgAa, &TVMpal480IntDf, &TVPal264Ds, &TVPal264DsAa, &TVPal264Int, &TVPal264IntAa, &TVPal524ProgAa, &TVPal524IntAa, &TVPal528Int, &TVPal528IntDf, &TVPal528Prog, &TVPal528ProgSoft, &TVPal576IntDfScale, &TVEurgb60Hz240Ds, &TVEurgb60Hz240DsAa, &TVEurgb60Hz240Int, &TVEurgb60Hz240IntAa, &TVEurgb60Hz480Int, &TVEurgb60Hz480IntDf, &TVEurgb60Hz480IntAa, &TVEurgb60Hz480Prog, &TVEurgb60Hz480ProgSoft, &TVEurgb60Hz480ProgAa }; static bool compare_videomodes(GXRModeObj* mode1, GXRModeObj* mode2) { return memcmp(mode1, mode2, sizeof *mode1) == 0; // padding seems to always be 0 } static void patch_videomode(GXRModeObj* mode1, GXRModeObj* mode2) { memcpy(mode1, mode2, sizeof *mode1); } static GXRModeObj* PAL2NTSC[]={ &TVMpal480IntDf, &TVNtsc480IntDf, &TVPal264Ds, &TVNtsc240Ds, &TVPal264DsAa, &TVNtsc240DsAa, &TVPal264Int, &TVNtsc240Int, &TVPal264IntAa, &TVNtsc240IntAa, &TVPal524IntAa, &TVNtsc480IntAa, &TVPal528Int, &TVNtsc480Int, &TVPal528IntDf, &TVNtsc480IntDf, &TVPal528Prog, &TVNtsc480Prog, &TVPal576IntDfScale, &TVNtsc480IntDf, &TVEurgb60Hz240Ds, &TVNtsc240Ds, &TVEurgb60Hz240DsAa, &TVNtsc240DsAa, &TVEurgb60Hz240Int, &TVNtsc240Int, &TVEurgb60Hz240IntAa, &TVNtsc240IntAa, &TVEurgb60Hz480Int, &TVNtsc480Int, &TVEurgb60Hz480IntDf, &TVNtsc480IntDf, &TVEurgb60Hz480IntAa, &TVNtsc480IntAa, &TVEurgb60Hz480Prog, &TVNtsc480Prog, &TVEurgb60Hz480ProgSoft,&TVNtsc480Prog, &TVEurgb60Hz480ProgAa, &TVNtsc480Prog, 0,0 }; static GXRModeObj* NTSC2PAL[]={ &TVNtsc240Ds, &TVPal264Ds, &TVNtsc240DsAa, &TVPal264DsAa, &TVNtsc240Int, &TVPal264Int, &TVNtsc240IntAa, &TVPal264IntAa, &TVNtsc480Int, &TVPal528Int, &TVNtsc480IntDf, &TVPal528IntDf, &TVNtsc480IntAa, &TVPal524IntAa, &TVNtsc480Prog, &TVPal528Prog, 0,0 }; static GXRModeObj* NTSC2PAL60[]={ &TVNtsc240Ds, &TVEurgb60Hz240Ds, &TVNtsc240DsAa, &TVEurgb60Hz240DsAa, &TVNtsc240Int, &TVEurgb60Hz240Int, &TVNtsc240IntAa, &TVEurgb60Hz240IntAa, &TVNtsc480Int, &TVEurgb60Hz480Int, &TVNtsc480IntDf, &TVEurgb60Hz480IntDf, &TVNtsc480IntAa, &TVEurgb60Hz480IntAa, &TVNtsc480Prog, &TVEurgb60Hz480Prog, 0,0 }; static void applyVideoPatch(void *Address, u32 Size, GXRModeObj* rmode, bool patchAll) { u8 *Addr = (u8 *)Address; bool found = 0; u32 i; while(Size >= sizeof(GXRModeObj)) { // Video mode pattern found if( (((GXRModeObj*)Addr)->fbWidth == 0x0280 && ((GXRModeObj*)Addr)->viWidth == 0x02c4) || // TVEurgb60Hz480Prog (((GXRModeObj*)Addr)->fbWidth == 0x0280 && ((GXRModeObj*)Addr)->viWidth == 0x0280) ) // All other video modes { found = 0; for(i = 0; i < sizeof(vmodes)/sizeof(vmodes[0]); i++) { if(compare_videomodes(vmodes[i], (GXRModeObj*)Addr)) { found = 1; patch_videomode((GXRModeObj*)Addr, rmode); Addr += (sizeof(GXRModeObj)-4); Size -= (sizeof(GXRModeObj)-4); break; } } if(patchAll && !found) { patch_videomode((GXRModeObj*)Addr, rmode); Addr += (sizeof(GXRModeObj)-4); Size -= (sizeof(GXRModeObj)-4); } } Addr += 4; Size -= 4; } } static bool Search_and_patch_Video_Modes(void *Address, u32 Size, GXRModeObj* Table[]) { u8 *Addr = (u8 *)Address; bool found = 0; u32 i; while(Size >= sizeof(GXRModeObj)) { for(i = 0; Table[i]; i+=2) { if(compare_videomodes(Table[i], (GXRModeObj*)Addr)) { found = 1; patch_videomode((GXRModeObj*)Addr, Table[i+1]); Addr += (sizeof(GXRModeObj)-4); Size -= (sizeof(GXRModeObj)-4); break; } } Addr += 4; Size -= 4; } return found; } void patchVideoModes(void *dst, u32 len, int vidMode, GXRModeObj *vmode, int patchVidModes, u8 bootType) { GXRModeObj **table = 0; char region = *((char *)(0x80000003)); // Video patch set to "all" or the video mode is progressive and it's a PAL Wii game if((patchVidModes == 3 || (vidMode == 5 && region == 'P' && bootType == TYPE_WII_GAME)) && vmode != 0) applyVideoPatch(dst, len, vmode, true); // Video patch set to "more" else if(patchVidModes == 2 && vmode != 0) applyVideoPatch(dst, len, vmode, false); else { switch(vidMode) { case 1: // SYSTEM switch(CONF_GetVideo()) { case CONF_VIDEO_PAL: table = CONF_GetEuRGB60() > 0 ? NTSC2PAL60 : NTSC2PAL; break; case CONF_VIDEO_MPAL: table = NTSC2PAL; break; default: table = PAL2NTSC; break; } Search_and_patch_Video_Modes(dst, len, table); break; case 2: // PAL50 Search_and_patch_Video_Modes(dst, len, NTSC2PAL); break; case 3: // PAL60 Search_and_patch_Video_Modes(dst, len, NTSC2PAL60); break; case 4: // NTSC Search_and_patch_Video_Modes(dst, len, PAL2NTSC); break; default: break; } } }