From cdbb43ea328883261c6f71e6e44b16ae39173fa6 Mon Sep 17 00:00:00 2001 From: Pixel Date: Fri, 21 Jun 2002 23:45:51 +0000 Subject: Still working... --- str-util.cpp | 178 +---------------------------------------------------------- 1 file changed, 1 insertion(+), 177 deletions(-) (limited to 'str-util.cpp') diff --git a/str-util.cpp b/str-util.cpp index cf3f6ff..3588707 100644 --- a/str-util.cpp +++ b/str-util.cpp @@ -1,5 +1,6 @@ #include #include +//#include "psxdev/bs.h" #include "fileutils.h" #include "generic.h" #include "cdutils.h" @@ -24,73 +25,6 @@ Channels : 2 bytes 30 */ -int DCT[8][8] = { - { 4096, 4096, 4096, 4096, 4096, 4096, 4096, 4096, }, - { 5681, 4816, 3218, 1130, -1130, -3218, -4816, -5681, }, - { 5352, 2217, -2217, -5532, -5532, -2217, 2217, 5352, }, - { 4816, -1130, -5681, -3218, 3218, 5681, 1130, -4816, }, - { 4096, -4096, 4096, -4096, 4096, -4096, 4096, -4096, }, - { 3218, -5681, 1130, 4816, -4816, -1130, 5681, -3218, }, - { 2217, -5352, 5352, -2217, -2217, 5352, -5352, 2217, }, - { 1130, -3218, 4816, -5681, 5681, -4816, 3218, -1130, }, -}; - -int iDCT[8][8] = { - { 4096, 5681, 5352, 4816, 4096, 3218, 2217, 1130, }, - { 4096, 4816, 2217, -1130, -4096, -5681, -5352, -3218, }, - { 4096, 3218, -2217, -5681, 4096, 1130, 5352, 4816, }, - { 4096, 1130, -5532, -3218, -4096, 4816, -2217, -5681, }, - { 4096, -1130, -5532, 3218, 4096, -4816, -2217, 5681, }, - { 4096, -3218, -2217, 5681, -4096, -1130, 5352, -4816, }, - { 4096, -4816, 2217, 1130, 4096, 5681, -5352, 3218, }, - { 4096, -5681, 5352, -4816, -4096, -3218, 2217, -1130, }, -}; - -int zscan[] = { - 0, 1, 8, 16, 9, 2, 3, 10, - 17, 24, 32, 25, 18, 11, 4, 5, - 12, 19, 26, 33, 40, 48, 41, 34, - 27, 20, 13, 6, 7, 14, 21, 28, - 35, 42, 49, 56, 57, 50, 43, 36, - 29, 22, 15, 23, 30, 37, 44, 51, - 58, 59, 52, 45, 38, 31, 39, 46, - 53, 60, 61, 54, 47, 55, 62, 63, -}; - -int izscan[] = { - 0, 1, 5, 6, 14, 15, 27, 28, - 2, 4, 7, 13, 16, 26, 29, 42, - 3, 8, 12, 17, 25, 30, 41, 43, - 9, 11, 18, 24, 31, 40, 44, 53, - 10, 19, 23, 32, 39, 45, 52, 54, - 20, 22, 33, 38, 46, 51, 55, 60, - 21, 34, 37, 47, 50, 56, 59, 61, - 35, 36, 48, 49, 57, 58, 62, 63, -}; - -int iqtab[] = { - 2, 16, 19, 22, 26, 27, 29, 34, - 16, 16, 22, 24, 27, 29, 34, 37, - 19, 22, 26, 27, 29, 34, 34, 38, - 22, 22, 26, 27, 29, 34, 37, 40, - 22, 26, 27, 29, 32, 35, 40, 48, - 26, 27, 29, 32, 35, 40, 48, 58, - 26, 27, 29, 34, 38, 46, 56, 69, - 27, 29, 35, 38, 46, 56, 69, 83, -}; - -float RGB2YUV[3][3] = { - { 1.00000, 0.00000, 1.40200, }, - { 1.00000, -0.34370, -0.71430, }, - { 1.00000, 1.77200, 0.00000, }, -}; - -float YUV2RGB[3][3] = { - { 0.22900, 0.58700, 0.11400, }, - { -0.16871, -0.33130, 0.50000, }, - { 0.50000, -0.41870, -0.08130, }, -}; - struct STR_Header { Uint16 StSTATUS; Uint16 StTYPE; @@ -107,46 +41,6 @@ struct STR_Header { Byte * video = 0, * audio = 0; -void print_bits(Uint16 w, int size = 16) { - int i; - - for (i = size - 1; i >= 0; i--) { - printm(M_BARE, "%c", w & (1 << i) ? '1' : '0'); - } -} - -Uint32 get_bits(Byte * datas, int size, Uint32 * pointer) { - static int internal = 0; - static Uint16 w = 0; - Uint32 r = 0; - int os = size; - - if (internal < size) { - r = w; - size -= internal; - w = *((Uint16 *) (video + *pointer)); - printm(M_BARE, "get_bits: needs food, got 0x%04x\n", w); - *pointer += 2; -// w = swap_word(w); - internal = 16; - } - - r <<= size; - r |= ((w >> (16 - size)) & ((1 << size) - 1)); - - w <<= size; - - printm(M_BARE, "Read bits: "); - print_bits(r, os); - printm(M_BARE, "\n"); - - internal -= size; - - r &= ((1 << size) - 1); - - return r; -} - void process_one_sector(FILE * f) { Byte sector[2336]; STR_Header * h; @@ -179,75 +73,9 @@ void process_one_sector(FILE * f) { memcpy(video + h->StSECTOR_OFFSET * 2016, sector + 40, 2016); if (h->StSECTOR_SIZE == (h->StSECTOR_OFFSET + 1)) { - Uint32 pointer = 0; - Uint32 macrobloc = 0; // Frame finished. printm(M_BARE, "End of Frame.\n"); -// fwrite(video, 1, h->StSECTOR_SIZE * 2016, stdout); - - Uint16 rl_size = *((Uint16 *) (video + pointer)); - pointer += 2; - if (*((Uint16 *) (video + pointer)) != 0x3800) { - printm(M_ERROR, "Broken frame\n"); -// break; - } - pointer += 2; - - Uint16 quant = *((Uint16 *) (video + pointer)); - pointer += 2; - Uint16 ver = *((Uint16 *) (video + pointer)); - pointer += 2; - int rls = 0; - while (rls <= rl_size) { - printm(M_BARE, "Processing macrobloc %i, rlsize = %i, quant = %i, ver = %i, pointer = 0x%08x\n", macrobloc, rl_size, quant, ver, pointer); - - int16 Cb[64], Cr[64], Y0[64], Y1[64], Y2[64], Y3[64]; - int16 * blocs[6] = {Cb, Cr, Y0, Y1, Y2, Y3}; - int bloc; - - for (bloc = 0; bloc < 6; bloc++) { - int i; - - for (i = 0; i < 64; i++) { - blocs[bloc][i] = 0; - } - - int16 DC = get_bits(video, 10, &pointer); - if (DC & 0x20) - DC |= 0xc0; - - printm(M_BARE, "Processing subbloc %i, DC = %i, Quant = %i, pointer = 0x%08x\n", bloc, DC, quant, pointer); - - int inbloc = 1; - blocs[bloc][0] = DC; - - while (inbloc < 64) { - Uint8 run = get_bits(video, 6, &pointer); - int16 level; - - level = get_bits(video, 8, &pointer); - - if (level == 0) { - level = get_bits(video, 8, &pointer); - } else if (level & 0x80) { - if (level == 0x80) - level = get_bits(video, 8, &pointer); - level |= 0xff00; - } - - printm(M_BARE, "Read a runlevel: (%i, %i) = (%x %x), inbloc = %i, (pointer is %i)\n", run, level, run, level, inbloc, pointer); - rls++; - - blocs[bloc][inbloc] = level; - inbloc += run + 1; - } - - printm(M_BARE, "Finished the bloc with inbloc = %i\n", inbloc); - } - macrobloc++; - } - exit(-1); free(video); } @@ -259,12 +87,8 @@ void process_one_sector(FILE * f) { printm(M_BARE, "---------------------------------\n\n"); } -#ifdef STR_MAIN - int main(void) { while (!feof(stdin)) { process_one_sector(stdin); } } - -#endif -- cgit v1.2.3