// Inspired by WiiPower's "video toy", but simpler #include "videopatch.h" #include #define ARRAY_SIZE(a) (sizeof a / sizeof a[0]) extern GXRModeObj TVNtsc480Int; 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 TVPal528ProgUnknown = { 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 } }; GXRModeObj TVMpal480Prog = { 10, // viDisplayMode 640, // fbWidth 480, // efbHeight 480, // xfbHeight (VI_MAX_WIDTH_NTSC - 640)/2, // viXOrigin (VI_MAX_HEIGHT_NTSC - 480)/2, // viYOrigin 640, // viWidth 480, // 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 TVPal576IntDfScale = { VI_TVMODE_PAL_INT, // viDisplayMode 640, // fbWidth 480, // efbHeight 576, // xfbHeight 40, // viXOrigin 0, // viYOrigin 640, // viWidth 576, // viHeight VI_XFBMODE_DF, // 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 } }; static const GXRModeObj *g_vidmodes[] = { &TVNtsc480Int, &TVNtsc480IntDf, &TVNtsc480Prog, &TVPal528Int, &TVPal528IntDf, &TVPal528Prog, &TVPal528ProgSoft, &TVPal528ProgUnknown, &TVMpal480IntDf, &TVMpal480Prog, &TVEurgb60Hz480Int, &TVEurgb60Hz480IntDf, &TVEurgb60Hz480Prog }; // Level : // 0 : If same number of lines and same mode type (interlaced, progressive) // 1 : If same mode type // 2 : Always static void applyVideoPatch(void *dst, u32 len, GXRModeObj *rmode, int level) { u32 i; u32 *bufEnd = (u32 *)((u8 *)dst + (len - sizeof *rmode)); u32 *p = (u32 *)dst; while (p <= bufEnd) { for (i = 0; i < ARRAY_SIZE(g_vidmodes); ++i) if (memcmp(p, g_vidmodes[i], sizeof *rmode) == 0) { // Video mode description found, replace it GXRModeObj *m = (GXRModeObj *)p; if (level == 2 || (((m->viTVMode & 3) == VI_PROGRESSIVE) == ((rmode->viTVMode & 3) == VI_PROGRESSIVE) && (level == 1 || m->viHeight == rmode->viHeight))) memcpy(p, rmode, sizeof *rmode); p = (u32 *)(m + 1); break; } if (i == ARRAY_SIZE(g_vidmodes)) p++; } } 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, &TVNtsc480IntAa, &TVPal528IntDf, &TVNtsc480IntDf, &TVPal574IntDfScale, &TVNtsc480IntDf, &TVPal576IntDfScale, &TVNtsc480IntDf, &TVEurgb60Hz240Ds, &TVNtsc240Ds, &TVEurgb60Hz240DsAa, &TVNtsc240DsAa, &TVEurgb60Hz240Int, &TVNtsc240Int, &TVEurgb60Hz240IntAa, &TVNtsc240IntAa, &TVEurgb60Hz480Int, &TVNtsc480IntAa, &TVEurgb60Hz480IntDf, &TVNtsc480IntDf, &TVEurgb60Hz480IntAa, &TVNtsc480IntAa, &TVEurgb60Hz480Prog, &TVNtsc480Prog, &TVEurgb60Hz480ProgSoft,&TVNtsc480Prog, &TVEurgb60Hz480ProgAa, &TVNtsc480Prog, 0,0 }; static GXRModeObj* NTSC2PAL[]={ &TVNtsc240Ds, &TVPal264Ds, &TVNtsc240DsAa, &TVPal264DsAa, &TVNtsc240Int, &TVPal264Int, &TVNtsc240IntAa, &TVPal264IntAa, &TVNtsc480IntDf, &TVPal528IntDf, &TVNtsc480IntAa, &TVPal524IntAa, &TVNtsc480Prog, &TVPal528IntDf, 0,0 }; static GXRModeObj* NTSC2PAL60[]={ &TVNtsc240Ds, &TVEurgb60Hz240Ds, &TVNtsc240DsAa, &TVEurgb60Hz240DsAa, &TVNtsc240Int, &TVEurgb60Hz240Int, &TVNtsc240IntAa, &TVEurgb60Hz240IntAa, &TVNtsc480IntDf, &TVEurgb60Hz480IntDf, &TVNtsc480IntAa, &TVEurgb60Hz480IntAa, &TVNtsc480Prog, &TVEurgb60Hz480Prog, 0,0 }; 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) { GXRModeObj **table = 0; if(patchVidModes && vmode != 0) applyVideoPatch(dst, len, vmode, patchVidModes - 1); else { switch(vidMode) { case 0: // default / disc / game break; 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; } } }