summaryrefslogtreecommitdiff
path: root/str-util.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'str-util.cpp')
-rw-r--r--str-util.cpp178
1 files changed, 1 insertions, 177 deletions
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 <stdlib.h>
#include <string.h>
+//#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
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-12 02:26:52 +0000