mirror of
https://github.com/libretro/opera-libretro.git
synced 2026-11-07 04:25:58 -10:00
cuefile: parse multi-file track metadata
This commit is contained in:
Antonio SJ Musumeci authored and trapexit committed
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commit
079b8bcf1f
2 files changed
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-122
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@@ -11,164 +11,257 @@
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#define STRING_MAX 4096
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static RFILE *cue_get_file_for_image(const char *path)
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static
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RFILE*
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cue_get_file_for_image(const char *path)
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{
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int i;
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char cue_path_base[STRING_MAX];
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char cue_path[8192];
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char *exts[] = {".cue", ".CUE"};
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char *last_dot = NULL;
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int i;
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char cue_path_base[STRING_MAX];
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char cue_path[8192];
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char *exts[] = {".cue", ".CUE"};
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char *last_dot = NULL;
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strcpy(cue_path_base, path);
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strcpy(cue_path_base, path);
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last_dot = strrchr(cue_path_base, '.');
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if (last_dot == NULL)
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return NULL;
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last_dot = strrchr(cue_path_base, '.');
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if(last_dot == NULL)
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return NULL;
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/* cut original extension */
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*(last_dot) = '\0';
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/* cut original extension */
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*(last_dot) = '\0';
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for(i=0; i<2; i++)
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{
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for(i=0; i<2; i++)
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{
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RFILE *cue_file = NULL;
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strcpy(cue_path, cue_path_base);
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strcat(cue_path, exts[i]);
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cue_file = filestream_open(cue_path, RETRO_VFS_FILE_ACCESS_READ, 0);
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if (cue_file)
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return cue_file;
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}
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if(cue_file)
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return cue_file;
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}
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return NULL;
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return NULL;
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}
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static void str_to_upper(char *s)
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static
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void
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str_to_upper(char *s)
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{
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for ( ; *s; ++s) *s = toupper(*s);
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for( ; *s; ++s)
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*s = toupper((unsigned char)*s);
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}
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static char *extract_file_name(const char *path, char *line)
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static
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char*
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extract_file_name(const char *path,
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char *line)
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{
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char file[STRING_MAX];
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char base_path[STRING_MAX];
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char cd_image[STRING_MAX];
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char *last_separator = NULL;
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char file[STRING_MAX];
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char base_path[STRING_MAX];
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char cd_image[STRING_MAX];
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char *last_separator = NULL;
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#ifdef _WIN32
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char slash = '\\';
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char slash = '\\';
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#else
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char slash = '/';
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char slash = '/';
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#endif
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char *file_name_end = NULL;
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char *file_name_start = strstr(line, "\"");
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if (!file_name_start)
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{
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if (retro_log_printf_cb)
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retro_log_printf_cb(RETRO_LOG_INFO, "[Opera]: Missing quotes in : %s\n", line);
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char *file_name_end = NULL;
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char *file_name_start = strstr(line, "\"");
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if(!file_name_start)
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{
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if(retro_log_printf_cb)
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retro_log_printf_cb(RETRO_LOG_INFO, "[Opera]: Missing quotes in : %s\n", line);
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return NULL;
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}
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}
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strcpy(file, ++file_name_start);
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file_name_end = strstr(file, "\"");
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strcpy(file, ++file_name_start);
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file_name_end = strstr(file, "\"");
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if (!file_name_end)
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{
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if (retro_log_printf_cb)
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retro_log_printf_cb(RETRO_LOG_INFO, "[Opera]: Missing end quote in : %s\n", line);
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if(!file_name_end)
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{
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if(retro_log_printf_cb)
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retro_log_printf_cb(RETRO_LOG_INFO, "[Opera]: Missing end quote in : %s\n", line);
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return NULL;
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}
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}
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*file_name_end = '\0';
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*file_name_end = '\0';
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strcpy(base_path, path);
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strcpy(base_path, path);
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last_separator = strrchr(base_path, slash);
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*last_separator = '\0';
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last_separator = strrchr(base_path, slash);
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if(last_separator)
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{
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*last_separator = '\0';
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sprintf(cd_image, "%s%c%s", base_path, slash, file);
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}
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else
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strcpy(cd_image, file);
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sprintf(cd_image, "%s%c%s", base_path, slash, file);
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return strdup(cd_image);
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return strdup(cd_image);
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}
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cueFile *cue_get(const char *path)
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static
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uint32_t
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cue_msf_to_lba(const char *msf_)
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{
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char line[STRING_MAX];
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int files_found = 0;
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cueFile *cue = NULL;
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RFILE *cue_file =
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cue_is_cue_path(path) ?
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filestream_open(path, RETRO_VFS_FILE_ACCESS_READ, 0) :
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cue_get_file_for_image(path);
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uint32_t min;
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uint32_t sec;
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uint32_t frame;
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if (!cue_file)
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return NULL;
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if(sscanf(msf_,"%u:%u:%u",&min,&sec,&frame) != 3)
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return 0;
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cue = (cueFile *)malloc(sizeof(cueFile));
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cue->cd_format = CUE_MODE_UNKNOWN;
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while ((filestream_gets(cue_file, line, STRING_MAX)))
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{
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if (strstr(line, "FILE") && files_found == 0)
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{
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char *cd_image = extract_file_name(path, line);
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if (cd_image)
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{
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files_found++;
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cue->cd_image = cd_image;
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}
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}
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str_to_upper(line);
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if (strstr(line, "TRACK 01"))
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{
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if (strstr(line,"TRACK 01 MODE1/2048"))
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cue->cd_format = MODE1_2048;
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else if (strstr(line, "TRACK 01 MODE1/2352"))
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cue->cd_format = MODE1_2352;
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else if (strstr(line, "TRACK 01 MODE2/2352"))
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cue->cd_format = MODE2_2352;
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else
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{
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if (retro_log_printf_cb)
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retro_log_printf_cb(RETRO_LOG_INFO, "[Opera]: Unknown file format in CUE file: %s -> %s", path, line);
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}
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break;
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}
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}
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filestream_close(cue_file);
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if (retro_log_printf_cb)
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{
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retro_log_printf_cb(RETRO_LOG_INFO, "[Opera]: CD image file in CUE: %s",
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cue->cd_image ? cue->cd_image : "Not found");
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}
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if (cue->cd_format != CUE_MODE_UNKNOWN)
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return cue;
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free(cue);
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return NULL;
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return ((min * 60 * 75) + (sec * 75) + frame);
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}
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const char *cue_get_cd_format_name(CD_format cd_format)
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cueFile*
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cue_get(const char *path)
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{
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switch (cd_format)
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{
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case MODE1_2048:
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return "MODE1/2048";
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case MODE1_2352:
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return "MODE1/2352";
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case MODE2_2352:
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return "MODE2/2352";
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default:
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break;
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}
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char line[STRING_MAX];
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char line_upper[STRING_MAX];
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int current_file = -1;
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int current_track = -1;
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cueFile *cue = NULL;
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RFILE *cue_file =
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cue_is_cue_path(path) ?
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filestream_open(path, RETRO_VFS_FILE_ACCESS_READ, 0) :
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cue_get_file_for_image(path);
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return "UNKNOWN";
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if(!cue_file)
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return NULL;
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cue = (cueFile *)calloc(1,sizeof(cueFile));
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cue->cd_format = CUE_MODE_UNKNOWN;
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while ((filestream_gets(cue_file, line, STRING_MAX)))
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{
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char *track_ptr;
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char *index_ptr;
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strcpy(line_upper,line);
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str_to_upper(line_upper);
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if(strstr(line_upper, "FILE "))
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{
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char *cd_image = extract_file_name(path, line);
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if(cd_image)
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{
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if(cue->num_files < CUE_MAX_FILES)
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{
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cue->files[cue->num_files].path = cd_image;
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current_file = cue->num_files;
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if(cue->cd_image == NULL)
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cue->cd_image = cd_image;
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cue->num_files++;
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}
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else
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free(cd_image);
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}
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}
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track_ptr = strstr(line_upper, "TRACK ");
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if(track_ptr)
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{
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uint32_t track_num;
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char *mode_ptr;
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track_num = (uint32_t)strtoul(track_ptr + 6, NULL, 10);
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if(track_num > 0 && track_num <= CUE_MAX_TRACKS && cue->num_tracks < CUE_MAX_TRACKS)
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{
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current_track = cue->num_tracks;
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memset(&cue->tracks[current_track],0,sizeof(cue->tracks[current_track]));
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cue->tracks[current_track].track_num = (uint8_t)track_num;
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cue->tracks[current_track].file_index = (current_file >= 0) ?
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(uint8_t)current_file : 0;
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cue->tracks[current_track].format = CUE_MODE_UNKNOWN;
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mode_ptr = track_ptr + 8;
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while(*mode_ptr && isspace((unsigned char)*mode_ptr))
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mode_ptr++;
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if(strstr(mode_ptr,"MODE1/2048"))
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cue->tracks[current_track].format = MODE1_2048;
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else if(strstr(mode_ptr,"MODE1/2352"))
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cue->tracks[current_track].format = MODE1_2352;
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else if(strstr(mode_ptr,"MODE2/2352"))
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cue->tracks[current_track].format = MODE2_2352;
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else if(strstr(mode_ptr,"AUDIO"))
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cue->tracks[current_track].format = CUE_MODE_AUDIO;
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}
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}
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index_ptr = strstr(line_upper, "INDEX 01");
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if(index_ptr && current_track == cue->num_tracks && cue->num_tracks < CUE_MAX_TRACKS)
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{
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char *msf_ptr = index_ptr + 8;
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while(*msf_ptr && !isdigit((unsigned char)*msf_ptr))
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msf_ptr++;
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cue->tracks[cue->num_tracks].index_lba = cue_msf_to_lba(msf_ptr);
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cue->num_tracks++;
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current_track = -1;
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}
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}
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filestream_close(cue_file);
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if(cue->num_tracks > 0 && cue->cd_format == CUE_MODE_UNKNOWN)
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cue->cd_format = cue->tracks[0].format;
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if(retro_log_printf_cb)
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{
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retro_log_printf_cb(RETRO_LOG_INFO, "[Opera]: CD image files in CUE: %d first=%s\n",
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cue->num_files,
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cue->cd_image ? cue->cd_image : "Not found");
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}
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if((cue->cd_format != CUE_MODE_UNKNOWN || cue->num_tracks > 0) &&
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cue->num_files > 0)
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return cue;
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cue_free(cue);
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return NULL;
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}
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int cue_is_cue_path(const char *path)
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void
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cue_free(cueFile *cue)
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{
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char *dot = strrchr(path, '.');
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return (dot && (!strcmp(dot, ".cue") || !strcmp(dot, ".CUE")));
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int i;
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if(!cue)
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return;
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for(i = 0; i < cue->num_files; i++)
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free(cue->files[i].path);
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free(cue);
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}
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const
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char*
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cue_get_cd_format_name(CD_format cd_format)
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{
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switch (cd_format)
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{
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case MODE1_2048:
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return "MODE1/2048";
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case MODE1_2352:
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return "MODE1/2352";
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case MODE2_2352:
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return "MODE2/2352";
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case CUE_MODE_AUDIO:
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return "AUDIO";
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default:
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break;
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}
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return "UNKNOWN";
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}
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int
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cue_is_cue_path(const char *path)
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{
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const char *dot = strrchr(path, '.');
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return (dot && (!strcmp(dot, ".cue") ||
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!strcmp(dot, ".CUE")));
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}
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@@ -1,6 +1,8 @@
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#ifndef CUEFILE_H__
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#define CUEFILE_H__
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#include <stdint.h>
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#define SECTOR_SIZE_2048 2048
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#define SECTOR_SIZE_2352 2352
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@@ -8,14 +10,34 @@
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#define SECTOR_OFFSET_MODE1_2352 16
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#define SECTOR_OFFSET_MODE2_2352 24
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typedef enum {MODE1_2048, MODE1_2352, MODE2_2352, CUE_MODE_UNKNOWN} CD_format;
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#define CUE_MAX_TRACKS 100
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#define CUE_MAX_FILES CUE_MAX_TRACKS
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typedef enum {MODE1_2048, MODE1_2352, MODE2_2352, CUE_MODE_AUDIO, CUE_MODE_UNKNOWN} CD_format;
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typedef struct {
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CD_format cd_format;
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char * cd_image;
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uint8_t track_num;
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uint8_t file_index;
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CD_format format;
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uint32_t index_lba;
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uint32_t frames;
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} cue_track_t;
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typedef struct {
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char *path;
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} cue_file_t;
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typedef struct {
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CD_format cd_format;
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char * cd_image;
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int num_files;
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cue_file_t files[CUE_MAX_FILES];
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int num_tracks;
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cue_track_t tracks[CUE_MAX_TRACKS];
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} cueFile;
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cueFile *cue_get(const char *path);
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void cue_free(cueFile *cue);
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const char *cue_get_cd_format_name(CD_format cd_format);
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int cue_is_cue_path(const char *path);
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