diff options
Diffstat (limited to 'src/libspudec/nav_read.c')
| -rw-r--r-- | src/libspudec/nav_read.c | 207 |
1 files changed, 207 insertions, 0 deletions
diff --git a/src/libspudec/nav_read.c b/src/libspudec/nav_read.c new file mode 100644 index 000000000..0a8ac3813 --- /dev/null +++ b/src/libspudec/nav_read.c @@ -0,0 +1,207 @@ +/** + * Copyright (C) 2000 Håkan Hjort <d95hjort@dtek.chalmers.se> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include <stdio.h> +#include <string.h> +#include <inttypes.h> +#include <assert.h> + +#include "config.h" // Needed for WORDS_BIGENDIAN +#include "bswap.h" +#include "nav_types.h" +#include "nav_read.h" + +void nav_read_pci(pci_t *pci, unsigned char *buffer) { + int i, j; + + assert(sizeof(pci_t) == PCI_BYTES - 1); // -1 for substream id + + memcpy(pci, buffer, sizeof(pci_t)); + + /* Endian conversions */ + + /* pci pci_gi */ + B2N_32(pci->pci_gi.nv_pck_lbn); + B2N_16(pci->pci_gi.vobu_cat); + B2N_32(pci->pci_gi.vobu_s_ptm); + B2N_32(pci->pci_gi.vobu_e_ptm); + B2N_32(pci->pci_gi.vobu_se_e_ptm); + + /* pci nsml_agli */ + for(i = 0; i < 9; i++) + B2N_32(pci->nsml_agli.nsml_agl_dsta[i]); + + /* pci hli hli_gi */ + B2N_16(pci->hli.hl_gi.hli_ss); + B2N_32(pci->hli.hl_gi.hli_s_ptm); + B2N_32(pci->hli.hl_gi.hli_e_ptm); + B2N_32(pci->hli.hl_gi.btn_se_e_ptm); + + /* pci hli btn_colit */ + for(i = 0; i < 3; i++) + for(j = 0; j < 2; j++) + B2N_32(pci->hli.btn_colit.btn_coli[i][j]); + + + /* pci hli btni */ + /* There are some issues with this bitfiled with some compilers + because they stradle word boundaries. */ + +#if !defined(WORDS_BIGENDIAN) + for(i = 0; i < 36; i++) { +#if 0 /* Wierd Sun CC code that does not work */ + unsigned char m[6]; + memcpy(m, &pci->hli.btnit[i], 6); + pci->hli.btnit[i].zero1 = (m[1] >> 2); + pci->hli.btnit[i].x_start = (m[0] << 4) | (m[1] >> 4); + pci->hli.btnit[i].x_end = (m[1] << 8) | m[2]; + pci->hli.btnit[i].y_start = (m[3] << 4) | (m[4] >> 4); + pci->hli.btnit[i].y_end = (m[4] << 8) | m[5]; + pci->hli.btnit[i].zero2 = (m[4] >> 2); + pci->hli.btnit[i].btn_coln = (m[0] >> 6); + pci->hli.btnit[i].auto_action_mode = (m[3] >> 6); +#else + char tmp[6], swap; + memcpy(tmp, &(pci->hli.btnit[i]), 6); + /* This is a B2N_24() */ + swap = tmp[0]; tmp[0] = tmp[2]; tmp[2] = swap; + /* This is a B2N_24() */ + swap = tmp[3]; tmp[3] = tmp[5]; tmp[5] = swap; + memcpy(&(pci->hli.btnit[i]), tmp, 6); +#endif + } +#endif + + + /* Asserts */ + + /* pci pci gi */ + assert(pci->pci_gi.zero1 == 0); + + /* pci hli hli_gi */ + assert(pci->hli.hl_gi.zero1 == 0); + assert(pci->hli.hl_gi.zero2 == 0); + assert(pci->hli.hl_gi.zero3 == 0); + assert(pci->hli.hl_gi.zero4 == 0); + assert(pci->hli.hl_gi.zero5 == 0); + + /* Are there buttons defined here? */ + if((pci->hli.hl_gi.hli_ss & 0x03) != 0) { + assert(pci->hli.hl_gi.btn_ns != 0); + assert(pci->hli.hl_gi.btngr_ns != 0); + } else { + assert((pci->hli.hl_gi.btn_ns != 0 && pci->hli.hl_gi.btngr_ns != 0) + || (pci->hli.hl_gi.btn_ns == 0 && pci->hli.hl_gi.btngr_ns == 0)); + } + + /* pci hli btnit */ + +#if NDEBUG + for(i = 0; i < pci->hli.hl_gi.btngr_ns; i++) { + for(j = 0; j < (36 / pci->hli.hl_gi.btngr_ns); j++) { + int n = (36 / pci->hli.hl_gi.btngr_ns) * i + j; + assert(pci->hli.btnit[n].zero1 == 0); + assert(pci->hli.btnit[n].zero2 == 0); + assert(pci->hli.btnit[n].zero3 == 0); + assert(pci->hli.btnit[n].zero4 == 0); + assert(pci->hli.btnit[n].zero5 == 0); + assert(pci->hli.btnit[n].zero6 == 0); + + if (j < pci->hli.hl_gi.btn_ns) { + assert(pci->hli.btnit[n].x_start <= pci->hli.btnit[n].x_end); + assert(pci->hli.btnit[n].y_start <= pci->hli.btnit[n].y_end); + assert(pci->hli.btnit[n].up <= pci->hli.hl_gi.btn_ns); + assert(pci->hli.btnit[n].down <= pci->hli.hl_gi.btn_ns); + assert(pci->hli.btnit[n].left <= pci->hli.hl_gi.btn_ns); + assert(pci->hli.btnit[n].right <= pci->hli.hl_gi.btn_ns); + //vmcmd_verify(pci->hli.btnit[n].cmd); + } else { + int k; + assert(pci->hli.btnit[n].btn_coln == 0); + assert(pci->hli.btnit[n].auto_action_mode == 0); + assert(pci->hli.btnit[n].x_start == 0); + assert(pci->hli.btnit[n].y_start == 0); + assert(pci->hli.btnit[n].x_end == 0); + assert(pci->hli.btnit[n].y_end == 0); + assert(pci->hli.btnit[n].up == 0); + assert(pci->hli.btnit[n].down == 0); + assert(pci->hli.btnit[n].left == 0); + assert(pci->hli.btnit[n].right == 0); + for (k = 0; k < 8; k++) + assert(pci->hli.btnit[n].cmd.bytes[k] == 0); //CHECK_ZERO? + } + } + } +#endif +} + +void nav_read_dsi(dsi_t *dsi, unsigned char *buffer) { + int i; + + assert(sizeof(dsi_t) == DSI_BYTES - 1); // -1 for substream id + + memcpy(dsi, buffer, sizeof(dsi_t)); + + /* Endian conversions */ + + /* dsi dsi gi */ + B2N_32(dsi->dsi_gi.nv_pck_scr); + B2N_32(dsi->dsi_gi.nv_pck_lbn); + B2N_32(dsi->dsi_gi.vobu_ea); + B2N_32(dsi->dsi_gi.vobu_1stref_ea); + B2N_32(dsi->dsi_gi.vobu_2ndref_ea); + B2N_32(dsi->dsi_gi.vobu_3rdref_ea); + B2N_16(dsi->dsi_gi.vobu_vob_idn); + + /* dsi sml pbi */ + B2N_16(dsi->sml_pbi.category); + B2N_32(dsi->sml_pbi.ilvu_ea); + B2N_32(dsi->sml_pbi.ilvu_sa); + B2N_16(dsi->sml_pbi.size); + B2N_32(dsi->sml_pbi.vob_v_s_s_ptm); + B2N_32(dsi->sml_pbi.vob_v_e_e_ptm); + + /* dsi sml agli */ + for(i = 0; i < 9; i++) { + B2N_32(dsi->sml_agli.data[ i ].address); + B2N_16(dsi->sml_agli.data[ i ].size); + } + + /* dsi vobu sri */ + B2N_32(dsi->vobu_sri.next_video); + for(i = 0; i < 19; i++) + B2N_32(dsi->vobu_sri.fwda[i]); + B2N_32(dsi->vobu_sri.next_vobu); + B2N_32(dsi->vobu_sri.prev_vobu); + for(i = 0; i < 19; i++) + B2N_32(dsi->vobu_sri.bwda[i]); + B2N_32(dsi->vobu_sri.prev_video); + + /* dsi synci */ + for(i = 0; i < 8; i++) + B2N_16(dsi->synci.a_synca[i]); + for(i = 0; i < 32; i++) + B2N_32(dsi->synci.sp_synca[i]); + + + /* Asserts */ + + /* dsi dsi gi */ + assert(dsi->dsi_gi.zero1 == 0); +} + |