X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=Pico%2Fcd%2Fcue.c;h=cfd4e27475a15f58566e8aedd9fba338dfbf9a17;hb=0bccafebb68ef11f32a7a83f20fca886299aa78b;hp=2ef320b118f1a0f31ad914c8c63f9275cd649d52;hpb=b923ecbe75225bc7a1b6fbf419fd962a59066d59;p=picodrive.git

diff --git a/Pico/cd/cue.c b/Pico/cd/cue.c
index 2ef320b..cfd4e27 100644
--- a/Pico/cd/cue.c
+++ b/Pico/cd/cue.c
@@ -3,8 +3,8 @@
 #include <string.h>
 #include "cue.h"
 
-//#include "../PicoInt.h"
-#define elprintf(w,f,...) printf(f "\n",##__VA_ARGS__);
+#include "../PicoInt.h"
+// #define elprintf(w,f,...) printf(f "\n",##__VA_ARGS__);
 
 static char *mystrip(char *str)
 {
@@ -42,7 +42,7 @@ static int get_token(const char *buff, char *dest, int len)
 		dest[d++] = *p++;
 	dest[d] = 0;
 
-	if (*p != sep)
+	if (sep == '\"' && *p != sep)
 		elprintf(EL_STATUS, "cue: bad token: \"%s\"", buff);
 
 	return d + skip;
@@ -51,26 +51,33 @@ static int get_token(const char *buff, char *dest, int len)
 static char *get_ext(char *fname)
 {
 	int len = strlen(fname);
-	return (len >= 3) ? (fname - 3) : (fname - len);
+	return (len >= 3) ? (fname + len - 3) : fname;
 }
 
 
 #define BEGINS(buff,str) (strncmp(buff,str,sizeof(str)-1) == 0)
 
 /* note: tracks[0] is not used */
-cue_data *cue_parse(const char *fname)
+cue_data_t *cue_parse(const char *fname)
 {
-	char buff[256], current_file[256], buff2[32];
+	char buff[256], current_file[256], buff2[32], *current_filep;
 	FILE *f, *tmpf;
-	int ret, count = 0, count_alloc = 2;
-	cue_data *data;
+	int ret, count = 0, count_alloc = 2, pending_pregap = 0;
+	cue_data_t *data;
 	void *tmp;
 
 	f = fopen(fname, "r");
 	if (f == NULL) return NULL;
 
-	current_file[0] = 0;
+	snprintf(current_file, sizeof(current_file), "%s", fname);
+	for (current_filep = current_file + strlen(current_file); current_filep > current_file; current_filep--)
+		if (current_filep[-1] == '/' || current_filep[-1] == '\\') break;
+
 	data = calloc(1, sizeof(*data) + count_alloc * sizeof(cue_track));
+	if (data == NULL) {
+		fclose(f);
+		return NULL;
+	}
 
 	while (!feof(f))
 	{
@@ -79,11 +86,11 @@ cue_data *cue_parse(const char *fname)
 
 		mystrip(buff);
 		if (buff[0] == 0) continue;
-		if      (BEGINS(buff, "TITLE ") || BEGINS(buff, "PERFORMER "))
+		if      (BEGINS(buff, "TITLE ") || BEGINS(buff, "PERFORMER ") || BEGINS(buff, "SONGWRITER "))
 			continue;	/* who would put those here? Ignore! */
 		else if (BEGINS(buff, "FILE "))
 		{
-			get_token(buff+5, current_file, sizeof(current_file));
+			get_token(buff+5, current_filep, sizeof(current_file) - (current_filep - current_file));
 		}
 		else if (BEGINS(buff, "TRACK "))
 		{
@@ -92,6 +99,7 @@ cue_data *cue_parse(const char *fname)
 				count_alloc *= 2;
 				tmp = realloc(data, sizeof(*data) + count_alloc * sizeof(cue_track));
 				if (tmp == NULL) { count--; break; }
+				data = tmp;
 			}
 			memset(&data->tracks[count], 0, sizeof(data->tracks[0]));
 			if (count == 1 || strcmp(data->tracks[1].fname, current_file) != 0)
@@ -106,6 +114,8 @@ cue_data *cue_parse(const char *fname)
 				}
 				fclose(tmpf);
 			}
+			data->tracks[count].pregap = pending_pregap;
+			pending_pregap = 0;
 			// track number
 			ret = get_token(buff+6, buff2, sizeof(buff2));
 			if (count != atoi(buff2))
@@ -113,11 +123,11 @@ cue_data *cue_parse(const char *fname)
 					count, atoi(buff2));
 			// check type
 			get_token(buff+6+ret, buff2, sizeof(buff2));
-			if      (strcmp(buff2, "MODE1/2352"))
+			if      (strcmp(buff2, "MODE1/2352") == 0)
 				data->tracks[count].type = CT_BIN;
-			else if (strcmp(buff2, "MODE1/2048"))
+			else if (strcmp(buff2, "MODE1/2048") == 0)
 				data->tracks[count].type = CT_ISO;
-			else if (strcmp(buff2, "AUDIO"))
+			else if (strcmp(buff2, "AUDIO") == 0)
 			{
 				if (data->tracks[count].fname != NULL)
 				{
@@ -132,6 +142,11 @@ cue_data *cue_parse(const char *fname)
 							data->tracks[count].fname);
 					}
 				}
+				else
+				{
+					// propagate previous
+					data->tracks[count].type = data->tracks[count-1].type;
+				}
 			}
 			else {
 				elprintf(EL_STATUS, "unhandled track type: \"%s\"", buff2);
@@ -149,27 +164,52 @@ cue_data *cue_parse(const char *fname)
 			}
 			// offset in file
 			get_token(buff+6+ret, buff2, sizeof(buff2));
-			ret = sscanf(buff2, "%i:%i:%i", &m, &s, &f);
+			ret = sscanf(buff2, "%d:%d:%d", &m, &s, &f);
 			if (ret != 3) {
 				elprintf(EL_STATUS, "cue: failed to parse: \"%s\"", buff);
 				count--; break;
 			}
 			data->tracks[count].sector_offset = m*60*75 + s*75 + f;
+			// some strange .cues may need this
+			if (data->tracks[count].fname != NULL && strcmp(data->tracks[count].fname, current_file) != 0)
+			{
+				free(data->tracks[count].fname);
+				data->tracks[count].fname = strdup(current_file);
+			}
+			if (data->tracks[count].fname == NULL && strcmp(data->tracks[1].fname, current_file) != 0)
+			{
+				data->tracks[count].fname = strdup(current_file);
+			}
 		}
-		else if (BEGINS(buff, "PREGAP "))
+		else if (BEGINS(buff, "PREGAP ") || BEGINS(buff, "POSTGAP "))
 		{
 			int m, s, f;
 			get_token(buff+7, buff2, sizeof(buff2));
-			ret = sscanf(buff2, "%i:%i:%i", &m, &s, &f);
+			ret = sscanf(buff2, "%d:%d:%d", &m, &s, &f);
 			if (ret != 3) {
 				elprintf(EL_STATUS, "cue: failed to parse: \"%s\"", buff);
 				continue;
 			}
-			data->tracks[count].pregap = m*60*75 + s*75 + f;
+			// pregap overrides previous postgap?
+			// by looking at some .cues produced by some programs I've decided that..
+			if (BEGINS(buff, "PREGAP "))
+				data->tracks[count].pregap = m*60*75 + s*75 + f;
+			else
+				pending_pregap = m*60*75 + s*75 + f;
+		}
+		else if (BEGINS(buff, "REM LENGTH ")) // custom "extension"
+		{
+			int m, s, f;
+			get_token(buff+11, buff2, sizeof(buff2));
+			ret = sscanf(buff2, "%d:%d:%d", &m, &s, &f);
+			if (ret != 3) continue;
+			data->tracks[count].sector_xlength = m*60*75 + s*75 + f;
 		}
+		else if (BEGINS(buff, "REM"))
+			continue;
 		else
 		{
-			elprintf(EL_STATUS, "cue: failed to parse: \"%s\"", buff);
+			elprintf(EL_STATUS, "cue: unhandled line: \"%s\"", buff);
 		}
 	}
 
@@ -187,7 +227,7 @@ cue_data *cue_parse(const char *fname)
 }
 
 
-void cue_destroy(cue_data *data)
+void cue_destroy(cue_data_t *data)
 {
 	int c;
 
@@ -200,19 +240,22 @@ void cue_destroy(cue_data *data)
 }
 
 
+#if 0
 int main(int argc, char *argv[])
 {
-	cue_data *data = cue_parse(argv[1]);
+	cue_data_t *data = cue_parse(argv[1]);
 	int c;
 
 	if (data == NULL) return 1;
 
 	for (c = 1; c <= data->track_count; c++)
-		printf("%2i: %i %9i %9i %s\n", c, data->tracks[c].type, data->tracks[c].sector_offset,
-			data->tracks[c].pregap, data->tracks[c].fname);
+		printf("%2i: %i %9i %02i:%02i:%02i %9i %s\n", c, data->tracks[c].type, data->tracks[c].sector_offset,
+			data->tracks[c].sector_offset / (75*60), data->tracks[c].sector_offset / 75 % 60,
+			data->tracks[c].sector_offset % 75, data->tracks[c].pregap, data->tracks[c].fname);
 
 	cue_destroy(data);
 
 	return 0;
 }
+#endif