mirror of
https://github.com/ekeeke/Genesis-Plus-GX.git
synced 2024-11-13 06:15:07 +01:00
[Core/CD] added support for platform-configurable CD file virtualization
This commit is contained in:
EkeEke
parent
4017d379e6
commit
2a19462f0d
174
core/cd_hw/cdd.c
174
core/cd_hw/cdd.c
@ -2,7 +2,7 @@
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* Genesis Plus
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* CD drive processor & CD-DA fader
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*
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* Copyright (C) 2012-2016 Eke-Eke (Genesis Plus GX)
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* Copyright (C) 2012-2017 Eke-Eke (Genesis Plus GX)
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*
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* Redistribution and use of this code or any derivative works are permitted
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* provided that the following conditions are met:
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@ -157,6 +157,19 @@ static const char extensions[SUPPORTED_EXT][16] =
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};
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#if defined(USE_LIBTREMOR) || defined(USE_LIBVORBIS)
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static int seek64_wrap(void *f,ogg_int64_t off,int whence){
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return cdStreamSeek(f,off,whence);
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}
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static ov_callbacks cb =
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{
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(size_t (*)(void *, size_t, size_t, void *)) cdStreamRead,
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(int (*)(void *, ogg_int64_t, int)) seek64_wrap,
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(int (*)(void *)) cdStreamClose,
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(long (*)(void *)) cdStreamTell
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};
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#ifdef DISABLE_MANY_OGG_OPEN_FILES
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static void ogg_free(int i)
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{
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@ -170,9 +183,10 @@ static void ogg_free(int i)
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cdd.toc.tracks[i].vf.seekable = 1;
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/* reset file reading position */
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fseek(cdd.toc.tracks[i].fd, 0, SEEK_SET);
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cdStreamSeek(cdd.toc.tracks[i].fd, 0, SEEK_SET);
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}
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#endif
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#endif
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void cdd_init(int samplerate)
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@ -255,21 +269,21 @@ int cdd_context_load(uint8 *state)
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if (cdd.toc.sub)
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{
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/* 96 bytes per sector */
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fseek(cdd.toc.sub, lba * 96, SEEK_SET);
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cdStreamSeek(cdd.toc.sub, lba * 96, SEEK_SET);
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}
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/* seek to current track position */
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if (cdd.toc.tracks[cdd.index].type)
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{
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/* DATA track */
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fseek(cdd.toc.tracks[cdd.index].fd, lba * cdd.sectorSize, SEEK_SET);
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cdStreamSeek(cdd.toc.tracks[cdd.index].fd, lba * cdd.sectorSize, SEEK_SET);
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}
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#if defined(USE_LIBTREMOR) || defined(USE_LIBVORBIS)
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else if (cdd.toc.tracks[cdd.index].vf.seekable)
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{
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#ifdef DISABLE_MANY_OGG_OPEN_FILES
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/* VORBIS file need to be opened first */
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ov_open(cdd.toc.tracks[cdd.index].fd,&cdd.toc.tracks[cdd.index].vf,0,0);
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ov_open_callbacks(cdd.toc.tracks[cdd.index].fd,&cdd.toc.tracks[cdd.index].vf,0,0,cb);
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#endif
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/* VORBIS AUDIO track */
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ov_pcm_seek(&cdd.toc.tracks[cdd.index].vf, (lba * 588) - cdd.toc.tracks[cdd.index].offset);
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@ -278,7 +292,7 @@ int cdd_context_load(uint8 *state)
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else if (cdd.toc.tracks[cdd.index].fd)
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{
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/* PCM AUDIO track */
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fseek(cdd.toc.tracks[cdd.index].fd, (lba * 2352) - cdd.toc.tracks[cdd.index].offset, SEEK_SET);
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cdStreamSeek(cdd.toc.tracks[cdd.index].fd, (lba * 2352) - cdd.toc.tracks[cdd.index].offset, SEEK_SET);
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}
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return bufferptr;
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@ -289,7 +303,7 @@ int cdd_load(char *filename, char *header)
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char fname[256+10];
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char line[128];
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char *ptr, *lptr;
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FILE *fd;
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cdStream *fd;
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/* assume CD image file by default */
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int isCDfile = 1;
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@ -298,7 +312,7 @@ int cdd_load(char *filename, char *header)
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cdd_unload();
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/* open file */
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fd = fopen(filename, "rb");
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fd = cdStreamOpen(filename);
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if (!fd) return (-1);
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/* save a copy of base filename */
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@ -310,7 +324,7 @@ int cdd_load(char *filename, char *header)
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int len;
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/* read first 16 bytes */
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fread(header, 0x10, 1, fd);
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cdStreamRead(header, 0x10, 1, fd);
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/* look for valid CD image identifier */
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if (!memcmp("SEGADISCSYSTEM", header, 14))
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@ -321,7 +335,7 @@ int cdd_load(char *filename, char *header)
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else
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{
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/* read next 16 bytes */
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fread(header, 0x10, 1, fd);
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cdStreamRead(header, 0x10, 1, fd);
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/* look for valid CD image identifier */
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if (!memcmp("SEGADISCSYSTEM", header, 14))
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@ -335,7 +349,7 @@ int cdd_load(char *filename, char *header)
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if (cdd.sectorSize)
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{
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/* read CD image header + security code */
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fread(header + 0x10, 0x200, 1, fd);
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cdStreamRead(header + 0x10, 0x200, 1, fd);
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/* initialize first track file descriptor */
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cdd.toc.tracks[0].fd = fd;
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@ -344,8 +358,8 @@ int cdd_load(char *filename, char *header)
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cdd.toc.tracks[0].type = TYPE_CDROM;
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/* DATA track end LBA (based on DATA file length) */
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fseek(fd, 0, SEEK_END);
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cdd.toc.tracks[0].end = ftell(fd) / cdd.sectorSize;
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cdStreamSeek(fd, 0, SEEK_END);
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cdd.toc.tracks[0].end = cdStreamTell(fd) / cdd.sectorSize;
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/* DATA track length should be at least 2s (BIOS requirement) */
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if (cdd.toc.tracks[0].end < 150)
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@ -354,7 +368,7 @@ int cdd_load(char *filename, char *header)
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}
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/* DATA track start LBA (logical block 0) */
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fseek(fd, 0, SEEK_SET);
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cdStreamSeek(fd, 0, SEEK_SET);
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cdd.toc.tracks[0].start = 0;
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/* initialize TOC */
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@ -367,14 +381,14 @@ int cdd_load(char *filename, char *header)
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isCDfile = 0;
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/* close file */
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fclose(fd);
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cdStreamClose(fd);
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}
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/* automatically try to mount CD associated CUE file */
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len = strlen(fname);
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while ((len && (fname[len] != '.')) || (len > 251)) len--;
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strcpy(&fname[len], ".cue");
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fd = fopen(fname, "rb");
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fd = cdStreamOpen(fname);
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}
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/* parse CUE file */
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@ -386,7 +400,7 @@ int cdd_load(char *filename, char *header)
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if (cdd.toc.last)
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{
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/* skip first track */
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while (fgets(line, 128, fd))
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while (cdStreamGets(line, 128, fd))
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{
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if (strstr(line, "INDEX 01") && !strstr(line, "INDEX 1"))
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break;
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@ -394,7 +408,7 @@ int cdd_load(char *filename, char *header)
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}
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/* read lines until end of file */
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while (fgets(line, 128, fd))
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while (cdStreamGets(line, 128, fd))
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{
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/* skip any SPACE characters */
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lptr = line;
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@ -431,7 +445,7 @@ int cdd_load(char *filename, char *header)
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*ptr = 0;
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/* open current track file descriptor */
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cdd.toc.tracks[cdd.toc.last].fd = fopen(fname, "rb");
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cdd.toc.tracks[cdd.toc.last].fd = cdStreamOpen(fname);
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if (!cdd.toc.tracks[cdd.toc.last].fd)
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{
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/* error opening file */
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@ -449,32 +463,32 @@ int cdd_load(char *filename, char *header)
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{
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/* read file header */
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unsigned char head[28];
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fseek(cdd.toc.tracks[cdd.toc.last].fd, 8, SEEK_SET);
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fread(head, 28, 1, cdd.toc.tracks[cdd.toc.last].fd);
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fseek(cdd.toc.tracks[cdd.toc.last].fd, 0, SEEK_SET);
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cdStreamSeek(cdd.toc.tracks[cdd.toc.last].fd, 8, SEEK_SET);
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cdStreamRead(head, 28, 1, cdd.toc.tracks[cdd.toc.last].fd);
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cdStreamSeek(cdd.toc.tracks[cdd.toc.last].fd, 0, SEEK_SET);
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/* autodetect WAVE file header (44.1KHz 16-bit stereo format only) */
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if (!memcmp(head, waveHeader, 28))
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{
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/* look for 'data' chunk id */
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int dataOffset = 0;
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fseek(cdd.toc.tracks[cdd.toc.last].fd, 36, SEEK_SET);
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while (fread(head, 4, 1, cdd.toc.tracks[cdd.toc.last].fd))
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cdStreamSeek(cdd.toc.tracks[cdd.toc.last].fd, 36, SEEK_SET);
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while (cdStreamRead(head, 4, 1, cdd.toc.tracks[cdd.toc.last].fd))
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{
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if (!memcmp(head, "data", 4))
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{
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dataOffset = ftell(cdd.toc.tracks[cdd.toc.last].fd) + 4;
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fseek(cdd.toc.tracks[cdd.toc.last].fd, 0, SEEK_SET);
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dataOffset = cdStreamTell(cdd.toc.tracks[cdd.toc.last].fd) + 4;
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cdStreamSeek(cdd.toc.tracks[cdd.toc.last].fd, 0, SEEK_SET);
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break;
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}
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fseek(cdd.toc.tracks[cdd.toc.last].fd, -2, SEEK_CUR);
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cdStreamSeek(cdd.toc.tracks[cdd.toc.last].fd, -2, SEEK_CUR);
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}
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/* check if 'data' chunk has not been found */
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if (!dataOffset)
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{
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/* invalid WAVE file */
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fclose(cdd.toc.tracks[cdd.toc.last].fd);
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cdStreamClose(cdd.toc.tracks[cdd.toc.last].fd);
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cdd.toc.tracks[cdd.toc.last].fd = 0;
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break;
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}
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@ -483,7 +497,7 @@ int cdd_load(char *filename, char *header)
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cdd.toc.tracks[cdd.toc.last].offset -= dataOffset;
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}
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#if defined(USE_LIBTREMOR) || defined(USE_LIBVORBIS)
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else if (!ov_open(cdd.toc.tracks[cdd.toc.last].fd,&cdd.toc.tracks[cdd.toc.last].vf,0,0))
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else if (!ov_open_callbacks(cdd.toc.tracks[cdd.toc.last].fd,&cdd.toc.tracks[cdd.toc.last].vf,0,0,cb))
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{
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/* retrieve stream infos */
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vorbis_info *info = ov_info(&cdd.toc.tracks[cdd.toc.last].vf,-1);
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@ -499,7 +513,7 @@ int cdd_load(char *filename, char *header)
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else
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{
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/* unsupported audio file */
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fclose(cdd.toc.tracks[cdd.toc.last].fd);
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cdStreamClose(cdd.toc.tracks[cdd.toc.last].fd);
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cdd.toc.tracks[cdd.toc.last].fd = 0;
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break;
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}
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@ -515,7 +529,7 @@ int cdd_load(char *filename, char *header)
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/* close any opened file */
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if (cdd.toc.tracks[cdd.toc.last].fd)
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{
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fclose(cdd.toc.tracks[cdd.toc.last].fd);
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cdStreamClose(cdd.toc.tracks[cdd.toc.last].fd);
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cdd.toc.tracks[cdd.toc.last].fd = 0;
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}
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@ -538,7 +552,7 @@ int cdd_load(char *filename, char *header)
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cdd.sectorSize = 2352;
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/* skip 16-byte header */
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fseek(cdd.toc.tracks[0].fd, 0x10, SEEK_SET);
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cdStreamSeek(cdd.toc.tracks[0].fd, 0x10, SEEK_SET);
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}
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if (cdd.sectorSize)
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@ -547,8 +561,8 @@ int cdd_load(char *filename, char *header)
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cdd.toc.tracks[0].type = TYPE_CDROM;
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/* read CD image header + security code */
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fread(header, 0x210, 1, cdd.toc.tracks[0].fd);
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fseek(cdd.toc.tracks[0].fd, 0, SEEK_SET);
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cdStreamRead(header, 0x210, 1, cdd.toc.tracks[0].fd);
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cdStreamSeek(cdd.toc.tracks[0].fd, 0, SEEK_SET);
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}
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}
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else
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@ -638,18 +652,18 @@ int cdd_load(char *filename, char *header)
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#endif
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{
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/* current track end time */
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fseek(cdd.toc.tracks[cdd.toc.last].fd, 0, SEEK_END);
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cdStreamSeek(cdd.toc.tracks[cdd.toc.last].fd, 0, SEEK_END);
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if (cdd.toc.tracks[cdd.toc.last].type)
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{
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/* DATA track length */
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cdd.toc.tracks[cdd.toc.last].end = cdd.toc.tracks[cdd.toc.last].start + ((ftell(cdd.toc.tracks[cdd.toc.last].fd) + cdd.sectorSize - 1) / cdd.sectorSize);
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cdd.toc.tracks[cdd.toc.last].end = cdd.toc.tracks[cdd.toc.last].start + ((cdStreamTell(cdd.toc.tracks[cdd.toc.last].fd) + cdd.sectorSize - 1) / cdd.sectorSize);
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}
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else
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{
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/* AUDIO track length */
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cdd.toc.tracks[cdd.toc.last].end = cdd.toc.tracks[cdd.toc.last].start + ((ftell(cdd.toc.tracks[cdd.toc.last].fd) + 2351) / 2352);
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cdd.toc.tracks[cdd.toc.last].end = cdd.toc.tracks[cdd.toc.last].start + ((cdStreamTell(cdd.toc.tracks[cdd.toc.last].fd) + 2351) / 2352);
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}
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fseek(cdd.toc.tracks[cdd.toc.last].fd, 0, SEEK_SET);
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cdStreamSeek(cdd.toc.tracks[cdd.toc.last].fd, 0, SEEK_SET);
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}
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/* adjust track start time (based on current file start time + index absolute time) */
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@ -687,11 +701,11 @@ int cdd_load(char *filename, char *header)
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#endif
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if (cdd.toc.tracks[cdd.toc.last].fd)
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{
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fclose(cdd.toc.tracks[cdd.toc.last].fd);
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cdStreamClose(cdd.toc.tracks[cdd.toc.last].fd);
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}
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/* close CUE file */
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fclose(fd);
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cdStreamClose(fd);
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}
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else
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{
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@ -705,7 +719,7 @@ int cdd_load(char *filename, char *header)
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{
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/* auto-detect wrong initial track index */
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sprintf(ptr, extensions[i], cdd.toc.last);
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fd = fopen(fname, "rb");
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fd = cdStreamOpen(fname);
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if (fd)
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{
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offset = 0;
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@ -713,7 +727,7 @@ int cdd_load(char *filename, char *header)
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}
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sprintf(ptr, extensions[i], cdd.toc.last + 1);
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fd = fopen(fname, "rb");
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fd = cdStreamOpen(fname);
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if (fd) break;
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}
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@ -722,31 +736,31 @@ int cdd_load(char *filename, char *header)
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{
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/* read file HEADER */
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unsigned char head[28];
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fseek(fd, 8, SEEK_SET);
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fread(head, 28, 1, fd);
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fseek(fd, 0, SEEK_SET);
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cdStreamSeek(fd, 8, SEEK_SET);
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cdStreamRead(head, 28, 1, fd);
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cdStreamSeek(fd, 0, SEEK_SET);
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/* check if this is a valid WAVE file (44.1KHz 16-bit stereo format only) */
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if (!memcmp(head, waveHeader, 28))
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{
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/* look for 'data' chunk id */
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int dataOffset = 0;
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fseek(fd, 36, SEEK_SET);
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while (fread(head, 4, 1, fd))
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cdStreamSeek(fd, 36, SEEK_SET);
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while (cdStreamRead(head, 4, 1, fd))
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{
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if (!memcmp(head, "data", 4))
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{
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dataOffset = ftell(fd) + 4;
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dataOffset = cdStreamTell(fd) + 4;
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break;
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}
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fseek(fd, -2, SEEK_CUR);
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cdStreamSeek(fd, -2, SEEK_CUR);
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}
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/* check if 'data' chunk has not been found */
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if (!dataOffset)
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{
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/* invalid WAVE file */
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fclose(fd);
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cdStreamClose(fd);
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break;
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}
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@ -760,16 +774,16 @@ int cdd_load(char *filename, char *header)
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cdd.toc.tracks[cdd.toc.last].start += 150;
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/* current track end time */
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fseek(fd, 0, SEEK_END);
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cdd.toc.tracks[cdd.toc.last].end = cdd.toc.tracks[cdd.toc.last].start + ((ftell(fd) - dataOffset + 2351) / 2352);
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cdStreamSeek(fd, 0, SEEK_END);
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cdd.toc.tracks[cdd.toc.last].end = cdd.toc.tracks[cdd.toc.last].start + ((cdStreamTell(fd) - dataOffset + 2351) / 2352);
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/* initialize file read offset for current track */
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cdd.toc.tracks[cdd.toc.last].offset = cdd.toc.tracks[cdd.toc.last].start * 2352;
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/* auto-detect PAUSE within audio files */
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fseek(fd, 100 * 2352, SEEK_SET);
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fread(head, 4, 1, fd);
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fseek(fd, 0, SEEK_SET);
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cdStreamSeek(fd, 100 * 2352, SEEK_SET);
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cdStreamRead(head, 4, 1, fd);
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cdStreamSeek(fd, 0, SEEK_SET);
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if (*(int32 *)head == 0)
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{
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/* assume 2s PAUSE is included at the beginning of the file */
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@ -787,7 +801,7 @@ int cdd_load(char *filename, char *header)
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cdd.toc.last++;
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}
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#if defined(USE_LIBTREMOR) || defined(USE_LIBVORBIS)
|
||||
else if (!ov_open(fd,&cdd.toc.tracks[cdd.toc.last].vf,0,0))
|
||||
else if (!ov_open_callbacks(fd,&cdd.toc.tracks[cdd.toc.last].vf,0,0,cb))
|
||||
{
|
||||
/* retrieve stream infos */
|
||||
vorbis_info *info = ov_info(&cdd.toc.tracks[cdd.toc.last].vf,-1);
|
||||
@ -852,7 +866,7 @@ int cdd_load(char *filename, char *header)
|
||||
else
|
||||
{
|
||||
/* unsupported audio file format */
|
||||
fclose(fd);
|
||||
cdStreamClose(fd);
|
||||
break;
|
||||
}
|
||||
|
||||
@ -861,7 +875,7 @@ int cdd_load(char *filename, char *header)
|
||||
|
||||
/* try to open next audio track file */
|
||||
sprintf(ptr, extensions[i], cdd.toc.last + offset);
|
||||
fd = fopen(fname, "rb");
|
||||
fd = cdStreamOpen(fname);
|
||||
}
|
||||
}
|
||||
|
||||
@ -976,7 +990,7 @@ int cdd_load(char *filename, char *header)
|
||||
|
||||
/* Automatically try to open associated subcode data file */
|
||||
strncpy(&fname[strlen(fname) - 4], ".sub", 4);
|
||||
cdd.toc.sub = fopen(fname, "rb");
|
||||
cdd.toc.sub = cdStreamOpen(fname);
|
||||
|
||||
/* return 1 if loaded file is CD image file */
|
||||
return (isCDfile);
|
||||
@ -1014,13 +1028,13 @@ void cdd_unload(void)
|
||||
else
|
||||
{
|
||||
/* close file */
|
||||
fclose(cdd.toc.tracks[i].fd);
|
||||
cdStreamClose(cdd.toc.tracks[i].fd);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/* close any opened subcode file */
|
||||
if (cdd.toc.sub) fclose(cdd.toc.sub);
|
||||
if (cdd.toc.sub) cdStreamClose(cdd.toc.sub);
|
||||
|
||||
/* CD unloaded */
|
||||
cdd.loaded = 0;
|
||||
@ -1042,16 +1056,16 @@ void cdd_read_data(uint8 *dst)
|
||||
if (cdd.sectorSize == 2048)
|
||||
{
|
||||
/* Mode 1 COOKED data (ISO) */
|
||||
fseek(cdd.toc.tracks[0].fd, cdd.lba * 2048, SEEK_SET);
|
||||
cdStreamSeek(cdd.toc.tracks[0].fd, cdd.lba * 2048, SEEK_SET);
|
||||
}
|
||||
else
|
||||
{
|
||||
/* Mode 1 RAW data (skip 16-byte header) */
|
||||
fseek(cdd.toc.tracks[0].fd, cdd.lba * 2352 + 16, SEEK_SET);
|
||||
cdStreamSeek(cdd.toc.tracks[0].fd, cdd.lba * 2352 + 16, SEEK_SET);
|
||||
}
|
||||
|
||||
/* read sector data (Mode 1 = 2048 bytes) */
|
||||
fread(dst, 2048, 1, cdd.toc.tracks[0].fd);
|
||||
cdStreamRead(dst, 2048, 1, cdd.toc.tracks[0].fd);
|
||||
}
|
||||
}
|
||||
|
||||
@ -1139,7 +1153,7 @@ void cdd_read_audio(unsigned int samples)
|
||||
#else
|
||||
uint8 *ptr = cdc.ram;
|
||||
#endif
|
||||
fread(cdc.ram, 1, samples * 4, cdd.toc.tracks[cdd.index].fd);
|
||||
cdStreamRead(cdc.ram, 1, samples * 4, cdd.toc.tracks[cdd.index].fd);
|
||||
|
||||
/* process 16-bit (little-endian) stereo samples */
|
||||
for (i=0; i<samples; i++)
|
||||
@ -1217,7 +1231,7 @@ static void cdd_read_subcode(void)
|
||||
index = (scd.regs[0x68>>1].byte.l + 0x100) >> 1;
|
||||
|
||||
/* read interleaved subcode data from .sub file (12 x 8-bit of P subchannel first, then Q subchannel, etc) */
|
||||
fread(subc, 1, 96, cdd.toc.sub);
|
||||
cdStreamRead(subc, 1, 96, cdd.toc.sub);
|
||||
|
||||
/* convert back to raw subcode format (96 bytes with 8 x P-W subchannel bits per byte) */
|
||||
for (i=0; i<96; i+=2)
|
||||
@ -1345,7 +1359,7 @@ void cdd_update(void)
|
||||
{
|
||||
#ifdef DISABLE_MANY_OGG_OPEN_FILES
|
||||
/* VORBIS file need to be opened first */
|
||||
ov_open(cdd.toc.tracks[cdd.index].fd,&cdd.toc.tracks[cdd.index].vf,0,0);
|
||||
ov_open_callbacks(cdd.toc.tracks[cdd.index].fd,&cdd.toc.tracks[cdd.index].vf,0,0,cb);
|
||||
#endif
|
||||
ov_pcm_seek(&cdd.toc.tracks[cdd.index].vf, (cdd.toc.tracks[cdd.index].start * 588) - cdd.toc.tracks[cdd.index].offset);
|
||||
}
|
||||
@ -1353,7 +1367,7 @@ void cdd_update(void)
|
||||
#endif
|
||||
if (cdd.toc.tracks[cdd.index].fd)
|
||||
{
|
||||
fseek(cdd.toc.tracks[cdd.index].fd, (cdd.toc.tracks[cdd.index].start * 2352) - cdd.toc.tracks[cdd.index].offset, SEEK_SET);
|
||||
cdStreamSeek(cdd.toc.tracks[cdd.index].fd, (cdd.toc.tracks[cdd.index].start * 2352) - cdd.toc.tracks[cdd.index].offset, SEEK_SET);
|
||||
}
|
||||
}
|
||||
}
|
||||
@ -1431,14 +1445,14 @@ void cdd_update(void)
|
||||
/* seek to current subcode position */
|
||||
if (cdd.toc.sub)
|
||||
{
|
||||
fseek(cdd.toc.sub, cdd.lba * 96, SEEK_SET);
|
||||
cdStreamSeek(cdd.toc.sub, cdd.lba * 96, SEEK_SET);
|
||||
}
|
||||
|
||||
/* seek to current track position */
|
||||
if (cdd.toc.tracks[cdd.index].type)
|
||||
{
|
||||
/* DATA track */
|
||||
fseek(cdd.toc.tracks[0].fd, cdd.lba * cdd.sectorSize, SEEK_SET);
|
||||
cdStreamSeek(cdd.toc.tracks[0].fd, cdd.lba * cdd.sectorSize, SEEK_SET);
|
||||
}
|
||||
#if defined(USE_LIBTREMOR) || defined(USE_LIBVORBIS)
|
||||
else if (cdd.toc.tracks[cdd.index].vf.seekable)
|
||||
@ -1448,7 +1462,7 @@ void cdd_update(void)
|
||||
if (!cdd.toc.tracks[cdd.index].vf.datasource)
|
||||
{
|
||||
/* VORBIS file need to be opened first */
|
||||
ov_open(cdd.toc.tracks[cdd.index].fd,&cdd.toc.tracks[cdd.index].vf,0,0);
|
||||
ov_open_callbacks(cdd.toc.tracks[cdd.index].fd,&cdd.toc.tracks[cdd.index].vf,0,0,cb);
|
||||
}
|
||||
#endif
|
||||
/* VORBIS AUDIO track */
|
||||
@ -1458,7 +1472,7 @@ void cdd_update(void)
|
||||
else if (cdd.toc.tracks[cdd.index].fd)
|
||||
{
|
||||
/* PCM AUDIO track */
|
||||
fseek(cdd.toc.tracks[cdd.index].fd, (cdd.lba * 2352) - cdd.toc.tracks[cdd.index].offset, SEEK_SET);
|
||||
cdStreamSeek(cdd.toc.tracks[cdd.index].fd, (cdd.lba * 2352) - cdd.toc.tracks[cdd.index].offset, SEEK_SET);
|
||||
}
|
||||
}
|
||||
}
|
||||
@ -1641,7 +1655,7 @@ void cdd_process(void)
|
||||
/* open current track VORBIS file */
|
||||
if (cdd.toc.tracks[index].vf.seekable)
|
||||
{
|
||||
ov_open(cdd.toc.tracks[index].fd,&cdd.toc.tracks[index].vf,0,0);
|
||||
ov_open_callbacks(cdd.toc.tracks[index].fd,&cdd.toc.tracks[index].vf,0,0,cb);
|
||||
}
|
||||
}
|
||||
#endif
|
||||
@ -1659,14 +1673,14 @@ void cdd_process(void)
|
||||
/* seek to current subcode position */
|
||||
if (cdd.toc.sub)
|
||||
{
|
||||
fseek(cdd.toc.sub, lba * 96, SEEK_SET);
|
||||
cdStreamSeek(cdd.toc.sub, lba * 96, SEEK_SET);
|
||||
}
|
||||
|
||||
/* seek to current track position */
|
||||
if (cdd.toc.tracks[index].type)
|
||||
{
|
||||
/* DATA track */
|
||||
fseek(cdd.toc.tracks[0].fd, lba * cdd.sectorSize, SEEK_SET);
|
||||
cdStreamSeek(cdd.toc.tracks[0].fd, lba * cdd.sectorSize, SEEK_SET);
|
||||
}
|
||||
#if defined(USE_LIBTREMOR) || defined(USE_LIBVORBIS)
|
||||
else if (cdd.toc.tracks[index].vf.seekable)
|
||||
@ -1678,7 +1692,7 @@ void cdd_process(void)
|
||||
else if (cdd.toc.tracks[index].fd)
|
||||
{
|
||||
/* PCM AUDIO track */
|
||||
fseek(cdd.toc.tracks[index].fd, (lba * 2352) - cdd.toc.tracks[index].offset, SEEK_SET);
|
||||
cdStreamSeek(cdd.toc.tracks[index].fd, (lba * 2352) - cdd.toc.tracks[index].offset, SEEK_SET);
|
||||
}
|
||||
|
||||
/* no audio track playing (yet) */
|
||||
@ -1739,7 +1753,7 @@ void cdd_process(void)
|
||||
/* open current track VORBIS file */
|
||||
if (cdd.toc.tracks[index].vf.seekable)
|
||||
{
|
||||
ov_open(cdd.toc.tracks[index].fd,&cdd.toc.tracks[index].vf,0,0);
|
||||
ov_open_callbacks(cdd.toc.tracks[index].fd,&cdd.toc.tracks[index].vf,0,0,cb);
|
||||
}
|
||||
}
|
||||
#endif
|
||||
@ -1758,7 +1772,7 @@ void cdd_process(void)
|
||||
if (cdd.toc.tracks[index].type)
|
||||
{
|
||||
/* DATA track */
|
||||
fseek(cdd.toc.tracks[0].fd, lba * cdd.sectorSize, SEEK_SET);
|
||||
cdStreamSeek(cdd.toc.tracks[0].fd, lba * cdd.sectorSize, SEEK_SET);
|
||||
}
|
||||
#if defined(USE_LIBTREMOR) || defined(USE_LIBVORBIS)
|
||||
else if (cdd.toc.tracks[index].vf.seekable)
|
||||
@ -1770,13 +1784,13 @@ void cdd_process(void)
|
||||
else if (cdd.toc.tracks[index].fd)
|
||||
{
|
||||
/* PCM AUDIO track */
|
||||
fseek(cdd.toc.tracks[index].fd, (lba * 2352) - cdd.toc.tracks[index].offset, SEEK_SET);
|
||||
cdStreamSeek(cdd.toc.tracks[index].fd, (lba * 2352) - cdd.toc.tracks[index].offset, SEEK_SET);
|
||||
}
|
||||
|
||||
/* seek to current subcode position */
|
||||
if (cdd.toc.sub)
|
||||
{
|
||||
fseek(cdd.toc.sub, lba * 96, SEEK_SET);
|
||||
cdStreamSeek(cdd.toc.sub, lba * 96, SEEK_SET);
|
||||
}
|
||||
|
||||
/* no audio track playing */
|
||||
|
||||
@ -2,7 +2,7 @@
|
||||
* Genesis Plus
|
||||
* CD drive processor & CD-DA fader
|
||||
*
|
||||
* Copyright (C) 2012-2016 Eke-Eke (Genesis Plus GX)
|
||||
* Copyright (C) 2012-2017 Eke-Eke (Genesis Plus GX)
|
||||
*
|
||||
* Redistribution and use of this code or any derivative works are permitted
|
||||
* provided that the following conditions are met:
|
||||
@ -64,7 +64,7 @@
|
||||
/* CD track */
|
||||
typedef struct
|
||||
{
|
||||
FILE *fd;
|
||||
cdStream *fd;
|
||||
#if defined(USE_LIBTREMOR) || defined(USE_LIBVORBIS)
|
||||
OggVorbis_File vf;
|
||||
#endif
|
||||
@ -80,7 +80,7 @@ typedef struct
|
||||
int end;
|
||||
int last;
|
||||
track_t tracks[CD_MAX_TRACKS];
|
||||
FILE *sub;
|
||||
cdStream *sub;
|
||||
} toc_t;
|
||||
|
||||
/* CDD hardware */
|
||||
|
||||
@ -39,7 +39,7 @@
|
||||
|
||||
/* Set to your compiler's static inline keyword to enable it, or
|
||||
* set it to blank to disable it.
|
||||
* If you define INLINE in the makefile, it will override this value.
|
||||
* If you define INLINE in makefile or osd.h, it will override this value.
|
||||
* NOTE: not enabling inline functions will SEVERELY slow down emulation.
|
||||
*/
|
||||
#ifndef INLINE
|
||||
@ -53,4 +53,18 @@
|
||||
#define ALIGNED_(x) __attribute__ ((aligned(x)))
|
||||
#endif
|
||||
|
||||
/* Default CD image file access (read-only) functions */
|
||||
/* If you need to override default stdio.h functions with custom filesystem API,
|
||||
redefine following macros in platform specific include file (osd.h) or Makefile
|
||||
*/
|
||||
#ifndef cdStream
|
||||
#define cdStream FILE
|
||||
#define cdStreamOpen(fname) fopen(fname, "rb")
|
||||
#define cdStreamClose fclose
|
||||
#define cdStreamRead fread
|
||||
#define cdStreamSeek fseek
|
||||
#define cdStreamTell ftell
|
||||
#define cdStreamGets fgets
|
||||
#endif
|
||||
|
||||
#endif /* _MACROS_H_ */
|
||||
|
||||
@ -7,8 +7,8 @@
|
||||
#include <math.h>
|
||||
|
||||
#include "types.h"
|
||||
#include "macros.h"
|
||||
#include "osd.h"
|
||||
#include "macros.h"
|
||||
#include "loadrom.h"
|
||||
#include "m68k.h"
|
||||
#include "z80.h"
|
||||
|
||||
Loading…
Reference in New Issue
Block a user