X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=Pico%2Fcd%2Fcd_file.c;fp=Pico%2Fcd%2Fcd_file.c;h=0000000000000000000000000000000000000000;hb=1cfc5cc4ce06642b9bc45ca3b9d32793718e9455;hp=f5d8744c314ea5d1c2a91a0a0dd962af412aaa98;hpb=d158df697da66bcda57307e35fc77929cfa5053c;p=picodrive.git diff --git a/Pico/cd/cd_file.c b/Pico/cd/cd_file.c deleted file mode 100644 index f5d8744..0000000 --- a/Pico/cd/cd_file.c +++ /dev/null @@ -1,374 +0,0 @@ -/*********************************************************** - * * - * This source was taken from the Gens project * - * Written by Stéphane Dallongeville * - * Copyright (c) 2002 by Stéphane Dallongeville * - * Modified/adapted for PicoDrive by notaz, 2007 * - * * - ***********************************************************/ - -#include "../pico_int.h" -#include "cd_file.h" -#include "cue.h" - -//#define cdprintf(f,...) printf(f "\n",##__VA_ARGS__) // tmp - -static int audio_track_mp3(const char *fname, int index) -{ - _scd_track *Tracks = Pico_mcd->TOC.Tracks; - FILE *tmp_file; - int fs, ret; - - tmp_file = fopen(fname, "rb"); - if (tmp_file == NULL) - return -1; - - ret = fseek(tmp_file, 0, SEEK_END); - fs = ftell(tmp_file); // used to calculate length - fseek(tmp_file, 0, SEEK_SET); - -#if DONT_OPEN_MANY_FILES - // some systems (like PSP) can't have many open files at a time, - // so we work with their names instead. - fclose(tmp_file); - tmp_file = (void *) strdup(fname); -#endif - Tracks[index].KBtps = (short) mp3_get_bitrate(tmp_file, fs); - Tracks[index].KBtps >>= 3; - if (ret != 0 || Tracks[index].KBtps <= 0) - { - elprintf(EL_STATUS, "track %2i: mp3 bitrate %i", index+1, Tracks[index].KBtps); -#if !DONT_OPEN_MANY_FILES - fclose(tmp_file); -#else - free(tmp_file); -#endif - return -1; - } - - Tracks[index].F = tmp_file; - - // MP3 File - Tracks[index].ftype = TYPE_MP3; - fs *= 75; - fs /= Tracks[index].KBtps * 1000; - Tracks[index].Length = fs; - Tracks[index].Offset = 0; - - return 0; -} - -PICO_INTERNAL int Load_CD_Image(const char *cd_img_name, cd_img_type type) -{ - int i, j, num_track, Cur_LBA, index, ret, iso_name_len, missed, cd_img_sectors; - _scd_track *Tracks = Pico_mcd->TOC.Tracks; - char tmp_name[1024], tmp_ext[10]; - cue_data_t *cue_data = NULL; - pm_file *pmf; - static char *exts[] = { - "%02d.mp3", " %02d.mp3", "-%02d.mp3", "_%02d.mp3", " - %02d.mp3", - "%d.mp3", " %d.mp3", "-%d.mp3", "_%d.mp3", " - %d.mp3", -#if CASE_SENSITIVE_FS - "%02d.MP3", " %02d.MP3", "-%02d.MP3", "_%02d.MP3", " - %02d.MP3", -#endif - }; - - if (PicoCDLoadProgressCB != NULL) PicoCDLoadProgressCB(1); - - Unload_ISO(); - - /* is this .cue? */ - ret = strlen(cd_img_name); - if (ret >= 3 && strcasecmp(cd_img_name + ret - 3, "cue") == 0) - cue_data = cue_parse(cd_img_name); - if (cue_data != NULL) - cd_img_name = cue_data->tracks[1].fname; - - Tracks[0].ftype = type == CIT_BIN ? TYPE_BIN : TYPE_ISO; - - Tracks[0].F = pmf = pm_open(cd_img_name); - if (Tracks[0].F == NULL) - { - Tracks[0].ftype = 0; - Tracks[0].Length = 0; - if (cue_data != NULL) - cue_destroy(cue_data); - return -1; - } - - if (Tracks[0].ftype == TYPE_ISO) - cd_img_sectors = pmf->size >>= 11; // size in sectors - else cd_img_sectors = pmf->size /= 2352; - Tracks[0].Offset = 0; - - Tracks[0].MSF.M = 0; // minutes - Tracks[0].MSF.S = 2; // seconds - Tracks[0].MSF.F = 0; // frames - - elprintf(EL_STATUS, "Track 1: %02d:%02d:%02d %9i DATA", - Tracks[0].MSF.M, Tracks[0].MSF.S, Tracks[0].MSF.F, Tracks[0].Length); - - Cur_LBA = Tracks[0].Length = cd_img_sectors; - - if (cue_data != NULL) - { - if (cue_data->tracks[2].fname == NULL) { // NULL means track2 is in same file as track1 - Cur_LBA = Tracks[0].Length = cue_data->tracks[2].sector_offset; - } - i = 100 / cue_data->track_count+1; - for (num_track = 2; num_track <= cue_data->track_count; num_track++) - { - if (PicoCDLoadProgressCB != NULL) PicoCDLoadProgressCB(i * num_track); - index = num_track - 1; - Cur_LBA += cue_data->tracks[num_track].pregap; - if (cue_data->tracks[num_track].type == CT_MP3) { - ret = audio_track_mp3(cue_data->tracks[num_track].fname, index); - if (ret != 0) break; - } - else - { - Tracks[index].ftype = cue_data->tracks[num_track].type; - if (cue_data->tracks[num_track].fname != NULL) - { - pm_file *pmfn = pm_open(cue_data->tracks[num_track].fname); - if (pmfn != NULL) - { - // addume raw, ignore header for wav.. - Tracks[index].F = pmfn; - Tracks[index].Length = pmfn->size / 2352; - Tracks[index].Offset = cue_data->tracks[num_track].sector_offset; - } - else - { - elprintf(EL_STATUS, "track %2i (%s): can't determine length", - num_track, cue_data->tracks[num_track].fname); - Tracks[index].Length = 2*75; - Tracks[index].Offset = 0; - } - } - else - { - if (num_track < cue_data->track_count) - Tracks[index].Length = cue_data->tracks[num_track+1].sector_offset - - cue_data->tracks[num_track].sector_offset; - else - Tracks[index].Length = cd_img_sectors - cue_data->tracks[num_track].sector_offset; - Tracks[index].Offset = cue_data->tracks[num_track].sector_offset; - } - } - - if (cue_data->tracks[num_track].sector_xlength != 0) - // overriden by custom cue command - Tracks[index].Length = cue_data->tracks[num_track].sector_xlength; - - LBA_to_MSF(Cur_LBA, &Tracks[index].MSF); - Cur_LBA += Tracks[index].Length; - - elprintf(EL_STATUS, "Track %2i: %02d:%02d:%02d %9i AUDIO - %s", num_track, Tracks[index].MSF.M, - Tracks[index].MSF.S, Tracks[index].MSF.F, Tracks[index].Length, - cue_data->tracks[num_track].fname); - } - cue_destroy(cue_data); - goto finish; - } - - /* mp3 track autosearch, Gens-like */ - iso_name_len = strlen(cd_img_name); - if (iso_name_len >= sizeof(tmp_name)) - iso_name_len = sizeof(tmp_name) - 1; - - for (num_track = 2, i = 0, missed = 0; i < 100 && missed < 4; i++) - { - if (PicoCDLoadProgressCB != NULL && i > 1) PicoCDLoadProgressCB(i + (100-i)*missed/4); - - for (j = 0; j < sizeof(exts)/sizeof(char *); j++) - { - int ext_len; - sprintf(tmp_ext, exts[j], i); - ext_len = strlen(tmp_ext); - - memcpy(tmp_name, cd_img_name, iso_name_len + 1); - tmp_name[iso_name_len - 4] = 0; - strcat(tmp_name, tmp_ext); - - index = num_track - 1; - ret = audio_track_mp3(tmp_name, index); - if (ret != 0 && i > 1 && iso_name_len > ext_len) { - tmp_name[iso_name_len - ext_len] = 0; - strcat(tmp_name, tmp_ext); - ret = audio_track_mp3(tmp_name, index); - } - - if (ret == 0) - { - LBA_to_MSF(Cur_LBA, &Tracks[index].MSF); - Cur_LBA += Tracks[index].Length; - - elprintf(EL_STATUS, "Track %2i: %02d:%02d:%02d %9i AUDIO - %s", num_track, Tracks[index].MSF.M, - Tracks[index].MSF.S, Tracks[index].MSF.F, Tracks[index].Length, tmp_name); - - num_track++; - missed = 0; - break; - } - } - if (ret != 0 && i > 1) missed++; - } - -finish: - Pico_mcd->TOC.Last_Track = num_track - 1; - - index = num_track - 1; - - LBA_to_MSF(Cur_LBA, &Tracks[index].MSF); - - elprintf(EL_STATUS, "End CD - %02d:%02d:%02d\n", Tracks[index].MSF.M, - Tracks[index].MSF.S, Tracks[index].MSF.F); - - if (PicoCDLoadProgressCB != NULL) PicoCDLoadProgressCB(100); - - return 0; -} - - -PICO_INTERNAL void Unload_ISO(void) -{ - int i; - - if (Pico_mcd == NULL) return; - - if (Pico_mcd->TOC.Tracks[0].F) pm_close(Pico_mcd->TOC.Tracks[0].F); - - for(i = 1; i < 100; i++) - { - if (Pico_mcd->TOC.Tracks[i].F != NULL) - { - if (Pico_mcd->TOC.Tracks[i].ftype == TYPE_MP3) -#if DONT_OPEN_MANY_FILES - free(Pico_mcd->TOC.Tracks[i].F); -#else - fclose(Pico_mcd->TOC.Tracks[i].F); -#endif - else - pm_close(Pico_mcd->TOC.Tracks[i].F); - } - } - memset(Pico_mcd->TOC.Tracks, 0, sizeof(Pico_mcd->TOC.Tracks)); -} - - -PICO_INTERNAL int FILE_Read_One_LBA_CDC(void) -{ - if (Pico_mcd->s68k_regs[0x36] & 1) // DATA - { - if (Pico_mcd->TOC.Tracks[0].F == NULL) return -1; - - // moved below.. - //fseek(Pico_mcd->TOC.Tracks[0].F, where_read, SEEK_SET); - //fread(cp_buf, 1, 2048, Pico_mcd->TOC.Tracks[0].F); - - cdprintf("Read file CDC 1 data sector :\n"); - } - else // AUDIO - { - cdprintf("Read file CDC 1 audio sector :\n"); - } - - // Update CDC stuff - - CDC_Update_Header(); - - if (Pico_mcd->s68k_regs[0x36] & 1) // DATA track - { - if (Pico_mcd->cdc.CTRL.B.B0 & 0x80) // DECEN = decoding enable - { - if (Pico_mcd->cdc.CTRL.B.B0 & 0x04) // WRRQ : this bit enable write to buffer - { - int where_read = 0; - - // CAUTION : lookahead bit not implemented - - if (Pico_mcd->scd.Cur_LBA < 0) - where_read = 0; - else if (Pico_mcd->scd.Cur_LBA >= Pico_mcd->TOC.Tracks[0].Length) - where_read = Pico_mcd->TOC.Tracks[0].Length - 1; - else where_read = Pico_mcd->scd.Cur_LBA; - - Pico_mcd->scd.Cur_LBA++; - - Pico_mcd->cdc.WA.N = (Pico_mcd->cdc.WA.N + 2352) & 0x7FFF; // add one sector to WA - Pico_mcd->cdc.PT.N = (Pico_mcd->cdc.PT.N + 2352) & 0x7FFF; - - *(unsigned int *)(Pico_mcd->cdc.Buffer + Pico_mcd->cdc.PT.N) = Pico_mcd->cdc.HEAD.N; - //memcpy(&Pico_mcd->cdc.Buffer[Pico_mcd->cdc.PT.N + 4], cp_buf, 2048); - - //pm_seek(Pico_mcd->TOC.Tracks[0].F, where_read, SEEK_SET); - //pm_read(Pico_mcd->cdc.Buffer + Pico_mcd->cdc.PT.N + 4, 2048, Pico_mcd->TOC.Tracks[0].F); - PicoCDBufferRead(Pico_mcd->cdc.Buffer + Pico_mcd->cdc.PT.N + 4, where_read); - - cdprintf("Read -> WA = %d Buffer[%d] =", Pico_mcd->cdc.WA.N, Pico_mcd->cdc.PT.N & 0x3FFF); - cdprintf("Header 1 = %.2X %.2X %.2X %.2X", Pico_mcd->cdc.HEAD.B.B0, - Pico_mcd->cdc.HEAD.B.B1, Pico_mcd->cdc.HEAD.B.B2, Pico_mcd->cdc.HEAD.B.B3); - cdprintf("Header 2 = %.2X %.2X %.2X %.2X --- %.2X %.2X\n\n", - Pico_mcd->cdc.Buffer[(Pico_mcd->cdc.PT.N + 0) & 0x3FFF], - Pico_mcd->cdc.Buffer[(Pico_mcd->cdc.PT.N + 1) & 0x3FFF], - Pico_mcd->cdc.Buffer[(Pico_mcd->cdc.PT.N + 2) & 0x3FFF], - Pico_mcd->cdc.Buffer[(Pico_mcd->cdc.PT.N + 3) & 0x3FFF], - Pico_mcd->cdc.Buffer[(Pico_mcd->cdc.PT.N + 4) & 0x3FFF], - Pico_mcd->cdc.Buffer[(Pico_mcd->cdc.PT.N + 5) & 0x3FFF]); - } - - } - } - else // music track - { - Pico_mcd->scd.Cur_LBA++; - - Pico_mcd->cdc.WA.N = (Pico_mcd->cdc.WA.N + 2352) & 0x7FFF; // add one sector to WA - Pico_mcd->cdc.PT.N = (Pico_mcd->cdc.PT.N + 2352) & 0x7FFF; - - if (Pico_mcd->cdc.CTRL.B.B0 & 0x80) // DECEN = decoding enable - { - if (Pico_mcd->cdc.CTRL.B.B0 & 0x04) // WRRQ : this bit enable write to buffer - { - // CAUTION : lookahead bit not implemented - - // this is pretty rough, but oh well - not much depends on this anyway - memcpy(&Pico_mcd->cdc.Buffer[Pico_mcd->cdc.PT.N], cdda_out_buffer, 2352); - } - } - } - - if (Pico_mcd->cdc.CTRL.B.B0 & 0x80) // DECEN = decoding enable - { - Pico_mcd->cdc.STAT.B.B0 = 0x80; - - if (Pico_mcd->cdc.CTRL.B.B0 & 0x10) // determine form bit form sub header ? - { - Pico_mcd->cdc.STAT.B.B2 = Pico_mcd->cdc.CTRL.B.B1 & 0x08; - } - else - { - Pico_mcd->cdc.STAT.B.B2 = Pico_mcd->cdc.CTRL.B.B1 & 0x0C; - } - - if (Pico_mcd->cdc.CTRL.B.B0 & 0x02) Pico_mcd->cdc.STAT.B.B3 = 0x20; // ECC done - else Pico_mcd->cdc.STAT.B.B3 = 0x00; // ECC not done - - if (Pico_mcd->cdc.IFCTRL & 0x20) - { - if (Pico_mcd->s68k_regs[0x33] & (1<<5)) - { - elprintf(EL_INTS, "cdc dec irq 5"); - SekInterruptS68k(5); - } - - Pico_mcd->cdc.IFSTAT &= ~0x20; // DEC interrupt happen - Pico_mcd->cdc.Decode_Reg_Read = 0; // Reset read after DEC int - } - } - - - return 0; -} -