From d90e255e2cb175b715ce2acb6e55bccbda400c6c Mon Sep 17 00:00:00 2001
From: szabii <szabii@b3059339-0415-0410-9bf9-f77b7e298cf2>
Date: Mon, 9 Apr 2001 20:21:07 +0000
Subject: lots of changes

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@320 b3059339-0415-0410-9bf9-f77b7e298cf2
---
 codec-cfg.c | 387 ++++++++++++++++++++++++++++++------------------------------
 1 file changed, 194 insertions(+), 193 deletions(-)

(limited to 'codec-cfg.c')

diff --git a/codec-cfg.c b/codec-cfg.c
index 3911df6b92..7ab43fcf20 100644
--- a/codec-cfg.c
+++ b/codec-cfg.c
@@ -1,8 +1,18 @@
+/*
+ * codec.conf parser
+ * by Szabolcs Berecz <szabi@inf.elte.hu>
+ * (C) 2001
+ */
 
-//#define DEBUG
-#define PRINT_LINENUM
-//	printf("%s(%d): ", cfgfile, line_num)
+#define DEBUG
 
+#ifdef DEBUG
+#define DBG(str, args...) printf(str, ##args)
+#else
+#define DBG(str, args...) do {} while (0)
+#endif
+
+#define PRINT_LINENUM printf("%s(%d): ", cfgfile, line_num)
 
 #include <stdio.h>
 #include <stdlib.h>
@@ -16,7 +26,7 @@
 #include "libvo/video_out.h"
 #include "codec-cfg.h"
 
-#define MALLOC_ADD	10
+#define MAX_NR_TOKEN	16
 
 #define MAX_LINE_LEN	1000
 
@@ -32,21 +42,28 @@
 
 #define RET_EOF		-1
 #define RET_EOL		-2
-#define RET_OK		0
 
 static FILE *fp;
 static int line_num = 0;
 static int line_pos;	/* line pos */
-static int firstdef = 1;
 static char *line;
-static char *token;
+static char *token[MAX_NR_TOKEN];
 
 static codecs_t *codecs=NULL;
 static int nr_codecs = 0;
 
-static int get_token(void)
+static int get_token(int min, int max)
 {
 	static int read_nextline = 1;
+	int i;
+	char c;
+
+	if (max >= MAX_NR_TOKEN) {
+		printf("\nget_token(): max >= MAX_NR_TOKEN!\n");
+		goto ret_eof;
+	}
+
+	memset(token, 0x00, sizeof(*token) * max);
 
 	if (read_nextline) {
 		if (!fgets(line, MAX_LINE_LEN, fp))
@@ -55,106 +72,103 @@ static int get_token(void)
 		++line_num;
 		read_nextline = 0;
 	}
-	while (isspace(line[line_pos]))
-		++line_pos;
-	if (line[line_pos] == '\0' || line[line_pos] == '#' ||
-			line[line_pos] == ';') {
-		read_nextline = 1;
-		goto ret_eol;
-	}
-	token = line + line_pos;
-	if (line[line_pos] == '"') {
-		token++;
-		for (/* NOTHING */; line[++line_pos] != '"' && line[line_pos];)
-			/* NOTHING */;
+	for (i = 0; i < max; i++) {
+		while (isspace(line[line_pos]))
+			++line_pos;
+		if (line[line_pos] == '\0' || line[line_pos] == '#' ||
+				line[line_pos] == ';') {
+			read_nextline = 1;
+			if (i >= min)
+				goto ret_ok;
+			goto ret_eol;
+		}
+		token[i] = line + line_pos;
+		c = line[line_pos];
+		if (c == '"' || c == '\'') {
+			token[i]++;
+			while (line[++line_pos] != c && line[line_pos])
+				/* NOTHING */;
+		} else {
+			for (/* NOTHING */; !isspace(line[line_pos]) &&
+					line[line_pos]; line_pos++)
+				/* NOTHING */;
+		}
 		if (!line[line_pos]) {
 			read_nextline = 1;
+			if (i >= min - 1)
+				goto ret_ok;
 			goto ret_eol;
 		}
-	} else {
-		for (/* NOTHING */; !isspace(line[line_pos]); line_pos++)
-			/* NOTHING */;
+		line[line_pos] = '\0';
+		line_pos++;
 	}
-	line[line_pos] = '\0';
-	line_pos++;
-#ifdef DEBUG
-	printf("get_token ok\n");
-#endif
-	return RET_OK;
+ret_ok:
+	return i;
 ret_eof:
-#ifdef DEBUG
-	printf("get_token EOF\n");
-#endif
-	token = NULL;
 	return RET_EOF;
 ret_eol:
-#ifdef DEBUG
-	printf("get_token EOL\n");
-#endif
-	token = NULL;
 	return RET_EOL;
 }
 
 static int add_to_fourcc(char *s, char *alias, unsigned int *fourcc,
 		unsigned int *map)
 {
-	int i;
+	int i, j, freeslots;
 	char **aliasp;
+	unsigned int tmp;
 
 	/* find first unused slot */
 	for (i = 0; i < CODECS_MAX_FOURCC && fourcc[i] != 0xffffffff; i++)
 		/* NOTHING */;
-	if (i == CODECS_MAX_FOURCC) {
-		printf("too many fourcc...\n");
-		return 0;
-	}
-#if 1
-	if (alias) {
-		do {
-			fourcc[i] = *((unsigned int *) s);
-			map[i] = *((unsigned int *) alias);
-			s += 4;
-			i++;
-		} while (*(s++) == ',');
-	} else {
-		do {
-			fourcc[i] = *((unsigned int *) s);
-			map[i] = *((unsigned int *) s);
-			s += 4;
-			i++;
-		} while (*(s++) == ',');
-	}
-#else
-	if (alias)
-		aliasp = &alias;
-	else
-		aliasp = &s;
+	freeslots = CODECS_MAX_FOURCC - i;
+	if (!freeslots)
+		goto too_many_error_out;
+
+	aliasp = (alias) ? &alias : &s;
 	do {
-		fourcc[i] = *((unsigned int *) s);
-		map[i++] = *((unsigned int *) (*aliasp));
+		tmp = *((unsigned int *) s);
+		for (j = 0; j < i; j++)
+			if (tmp == fourcc[j])
+				goto duplicated_error_out;
+		fourcc[i] = tmp;
+		map[i] = *((unsigned int *) (*aliasp));
 		s += 4;
-	} while (*(s++) == ',');
-#endif
+		i++;
+	} while ((*(s++) == ',') && --freeslots);
+
+	if (!freeslots)
+		goto too_many_error_out;
 	if (*(--s) != '\0')
 		return 0;
 	return 1;
+duplicated_error_out:
+	printf("\nduplicated fourcc/format\n");
+	return 0;
+too_many_error_out:
+	printf("\ntoo many fourcc/format...\n");
+	return 0;
 }
 
 static int add_to_format(char *s, unsigned int *fourcc, unsigned int *fourccmap)
 {
-//        printf("\n-----[%s][%s]-----\n",s,format);
+	//printf("\n-----[%s][%s]-----\n",s,format);
 
-	int i;
+	int i, j;
 
 	/* find first unused slot */
 	for (i = 0; i < CODECS_MAX_FOURCC && fourcc[i] != 0xffffffff; i++)
 		/* NOTHING */;
 	if (i == CODECS_MAX_FOURCC) {
-		printf("too many fourcc...\n");
+		printf("\ntoo many fourcc/format...\n");
 		return 0;
 	}
-        
+
         fourcc[i]=fourccmap[i]=strtoul(s,NULL,0);
+	for (j = 0; j < i; j++)
+		if (fourcc[j] == fourcc[i]) {
+			printf("\nduplicated fourcc/format\n");
+			return 0;
+		}
 
 	return 1;
 }
@@ -199,17 +213,16 @@ static int add_to_out(char *sfmt, char *sflags, unsigned int *outfmt,
 		NULL
 	};
 
-	int i, j;
+	int i, j, freeslots;
 	unsigned char flags;
 
 	for (i = 0; i < CODECS_MAX_OUTFMT && outfmt[i] != 0xffffffff; i++)
 		/* NOTHING */;
-	if (i == CODECS_MAX_FOURCC) {
-		printf("too many out...\n");
-		return 0;
-	}
+	freeslots = CODECS_MAX_OUTFMT - i;
+	if (!freeslots)
+		goto too_many_error_out;
 
-	flags = 0; //get_flags(sflags);
+	flags = 0;
 	if(sflags) do {
 		for (j = 0; flagstr[j] != NULL; j++)
 			if (!strncmp(sflags, flagstr[j], strlen(flagstr[j])))
@@ -218,7 +231,6 @@ static int add_to_out(char *sfmt, char *sflags, unsigned int *outfmt,
 		flags|=(1<<j);
 		sflags+=strlen(flagstr[j]);
 	} while (*(sflags++) == ',');
-        
 
 	do {
 		for (j = 0; fmtstr[j] != NULL; j++)
@@ -230,10 +242,17 @@ static int add_to_out(char *sfmt, char *sflags, unsigned int *outfmt,
 		outflags[i] = flags;
                 ++i;
 		sfmt+=strlen(fmtstr[j]);
-	} while (*(sfmt++) == ',');
+	} while ((*(sfmt++) == ',') && --freeslots);
+
+	if (!freeslots)
+		goto too_many_error_out;
+
 	if (*(--sfmt) != '\0') return 0;
         
 	return 1;
+too_many_error_out:
+	printf("\ntoo many out...\n");
+	return 0;
 }
 
 static short get_driver(char *s,int audioflag)
@@ -263,16 +282,35 @@ static short get_driver(char *s,int audioflag)
 	return 0;
 }
 
+static int valid_codec(codecs_t *codec)
+{
+#warning FIXME mi is kell egy codec-be?
+	return 1;
+}
 
-codecs_t *parse_codec_cfg(char *cfgfile)
+static int add_comment(char *s, char **d)
 {
+	int pos;
+
+	if (!*d)
+		pos = 0;
+	else {
+		pos = strlen(*d);
+		(*d)[pos++] = '\n';
+	}
+	if (!(*d = (char *) realloc(*d, pos + strlen(s) + 1))) {
+		printf("can't allocate mem for comment\n");
+		return 0;
+	}
+	strcpy(*d + pos, s);
+	return 1;
+}
 
-//	codecs_t *codecs = NULL;  // array of codecs
-	codecs_t *codec = NULL;   // currect codec
-	int free_slots = 0;
+codecs_t *parse_codec_cfg(char *cfgfile)
+{
+	codecs_t *codec = NULL;   // current codec
 	int tmp, i;
 	int state = 0;
-	char *param1;
 
 #ifdef DEBUG
 	assert(cfgfile != NULL);
@@ -289,180 +327,141 @@ codecs_t *parse_codec_cfg(char *cfgfile)
 		perror("parse_codec_cfg: can't get memory for 'line'");
 		return NULL;
 	}
-	line_pos = 0;
-	line[0] = '\0';		/* forces get_token to read next line */
 
-	for (;;) {
-		tmp = get_token();
-		if (tmp == RET_EOF)
-			goto eof_out;
+	while ((tmp = get_token(1, 1)) != RET_EOF) {
 		if (tmp == RET_EOL)
 			continue;
-		if (!strcmp(token, "audiocodec") || !strcmp(token, "videocodec")) {
-			PRINT_LINENUM;
-                        
+		if (!strcmp(token[0], "audiocodec") || !strcmp(token[0], "videocodec")) {
+			if (nr_codecs)
+				if (!valid_codec(codec))
+					goto not_valid_error_out;
 		        if (!(codecs = (codecs_t *) realloc(codecs,
 				sizeof(codecs_t) * (nr_codecs + 1)))) {
 			    perror("parse_codec_cfg: can't realloc 'codecs'");
 			    goto err_out;
 		        }
-                        codec=&codecs[nr_codecs];
+			codec=&codecs[nr_codecs];
 			nr_codecs++;
                         memset(codec,0,sizeof(codecs_t));
 			memset(codec->fourcc, 0xff, sizeof(codec->fourcc));
 			memset(codec->outfmt, 0xff, sizeof(codec->outfmt));
 			state = 0;
                         
-			if (*token == 'a') {		/* audiocodec */
-				//printf("audio");
+			if (*token[0] == 'a') {		/* audiocodec */
 				codec->flags |= CODECS_FLAG_AUDIO;
-			} else if (*token == 'v') {	/* videocodec */
-				//printf("video");
+			} else if (*token[0] == 'v') {	/* videocodec */
 				codec->flags &= !CODECS_FLAG_AUDIO;
 			} else {
 				printf("itt valami nagyon el van baszva\n");
 				goto err_out;
 			}
-			if (get_token() < 0)
+			if (get_token(1, 1) < 0)
 				goto parse_error_out;
-			codec->name = strdup(token);
+			for (i = 0; i < nr_codecs - 1; i++) {
+#warning audio meg videocodecnek lehet ugyanaz a neve?
+				if ((codec->flags & CODECS_FLAG_AUDIO) !=
+						(codecs[i].flags & CODECS_FLAG_AUDIO))
+					continue;
+				if (!strcmp(token[0], codecs[i].name)) {
+					PRINT_LINENUM;
+					printf("codec name '%s' isn't unique\n", token[0]);
+					goto err_out;
+				}
+			}
+			codec->name = strdup(token[0]);
 			state |= GOT_NAME;
-			//printf(" %s\n", codec->name);
-		} else if (!strcmp(token, "info")) {
+		} else if (!strcmp(token[0], "info")) {
 			if (!(state & GOT_NAME))
 				goto parse_error_out;
-			PRINT_LINENUM;
-			//printf("info");
-			if (state & GOT_INFO || get_token() < 0)
+			if (state & GOT_INFO || get_token(1, 1) < 0)
 				goto parse_error_out;
-			codec->info = strdup(token);
+			codec->info = strdup(token[0]);
 			state |= GOT_INFO;
-			//printf(" %s\n", codec->info);
-		} else if (!strcmp(token, "comment")) {
+		} else if (!strcmp(token[0], "comment")) {
 			if (!(state & GOT_NAME))
 				goto parse_error_out;
-			PRINT_LINENUM;
-			//printf("comment");
-			if (get_token() < 0)
+			if (get_token(1, 1) < 0)
 				goto parse_error_out;
-#if 1
-			if (!codec->comment)
-				codec->comment = strdup(token);
-			//printf(" %s\n", codec->comment);
-#else
-			add_comment(token, &codec->comment);
-			printf(" FIXMEEEEEEEEEEEEEEE\n");
-#endif
-		} else if (!strcmp(token, "fourcc")) {
+			if (!add_comment(token[0], &codec->comment)) {
+				PRINT_LINENUM;
+				printf("add_comment()-tel valami sux\n");
+			}
+		} else if (!strcmp(token[0], "fourcc")) {
 			if (!(state & GOT_NAME))
 				goto parse_error_out;
-			PRINT_LINENUM;
-			//printf("fourcc");
-//			if (codec->flags & CODECS_FLAG_AUDIO) {
-//				printf("\n'fourcc' in audiocodec definition!\n");
-//				goto err_out;
-//			}
-			if (get_token() < 0)
+			if (get_token(1, 2) < 0)
 				goto parse_error_out;
-			param1 = strdup(token);
-			get_token();
-			if (!add_to_fourcc(param1, token,
+			if (!add_to_fourcc(token[0], token[1],
 						codec->fourcc,
 						codec->fourccmap))
-				goto err_out;
+				goto parse_error_out;
 			state |= GOT_FOURCC;
-			//printf(" %s: %s\n", param1, token);
-			free(param1);
-		} else if (!strcmp(token, "format")) {
+		} else if (!strcmp(token[0], "format")) {
 			if (!(state & GOT_NAME))
 				goto parse_error_out;
-			PRINT_LINENUM;
-			//printf("format");
-//			if (!(codec->flags & CODECS_FLAG_AUDIO)) {
-//				printf("\n'format' in videocodec definition!\n");
-//				goto err_out;
-//			}
-			if (get_token() < 0)
+			if (get_token(1, 1) < 0)
+				goto parse_error_out;
+			if (!add_to_format(token[0], codec->fourcc,codec->fourccmap))
 				goto parse_error_out;
-			if (!add_to_format(token, codec->fourcc,codec->fourccmap))
-				goto err_out;
 			state |= GOT_FORMAT;
-			//printf(" %s\n", token);
-		} else if (!strcmp(token, "driver")) {
+		} else if (!strcmp(token[0], "driver")) {
 			if (!(state & GOT_NAME))
 				goto parse_error_out;
-			PRINT_LINENUM;
-			//printf("driver");
-			if (get_token() < 0)
+			if (get_token(1, 1) < 0)
 				goto parse_error_out;
-			if ((codec->driver = get_driver(token,codec->flags&CODECS_FLAG_AUDIO)) == -1)
+			if ((codec->driver = get_driver(token[0],codec->flags&CODECS_FLAG_AUDIO)) == -1)
 				goto err_out;
-			//printf(" %s\n", token);
-		} else if (!strcmp(token, "dll")) {
+		} else if (!strcmp(token[0], "dll")) {
 			if (!(state & GOT_NAME))
 				goto parse_error_out;
-			PRINT_LINENUM;
-			//printf("dll");
-			if (get_token() < 0)
+			if (get_token(1, 1) < 0)
 				goto parse_error_out;
-			codec->dll = strdup(token);
-			//printf(" %s\n", codec->dll);
-		} else if (!strcmp(token, "guid")) {
+			codec->dll = strdup(token[0]);
+		} else if (!strcmp(token[0], "guid")) {
 			if (!(state & GOT_NAME))
 				goto parse_error_out;
-			PRINT_LINENUM;
-			//printf("guid");
-			if (get_token() < 0) goto parse_error_out;
-                        //printf("'%s'",token);
-                        codec->guid.f1=strtoul(token,NULL,0);
-			if (get_token() < 0) goto parse_error_out;
-                        codec->guid.f2=strtoul(token,NULL,0);
-			if (get_token() < 0) goto parse_error_out;
-                        codec->guid.f3=strtoul(token,NULL,0);
+			if (get_token(11, 11) < 0) goto parse_error_out;
+                        codec->guid.f1=strtoul(token[0],NULL,0);
+                        codec->guid.f2=strtoul(token[1],NULL,0);
+                        codec->guid.f3=strtoul(token[2],NULL,0);
 			for (i = 0; i < 8; i++) {
-			    if (get_token() < 0) goto parse_error_out;
-                            codec->guid.f4[i]=strtoul(token,NULL,0);
+                            codec->guid.f4[i]=strtoul(token[i + 3],NULL,0);
 			}
-		} else if (!strcmp(token, "out")) {
+		} else if (!strcmp(token[0], "out")) {
 			if (!(state & GOT_NAME))
 				goto parse_error_out;
-			PRINT_LINENUM;
-			//printf("out");
-			if (get_token() < 0)
+			if (get_token(1, 2) < 0)
 				goto parse_error_out;
-			param1 = strdup(token);
-			get_token();
-			if (!add_to_out(param1, token, codec->outfmt,
+			if (!add_to_out(token[0], token[1], codec->outfmt,
 						codec->outflags))
 				goto err_out;
-			//printf(" %s: %s\n", param1, token);
-			free(param1);
-		} else if (!strcmp(token, "flags")) {
+		} else if (!strcmp(token[0], "flags")) {
 			if (!(state & GOT_NAME))
 				goto parse_error_out;
-			PRINT_LINENUM;
-			//printf("flags");
-			if (get_token() < 0)
+			if (get_token(1, 1) < 0)
 				goto parse_error_out;
-			//printf(" %s\n", token);
-		} else if (!strcmp(token, "status")) {
+#warning FIXME flags meg nincs implementalva...
+			printf("\n\nUssetek!!!\n\n");
+		} else if (!strcmp(token[0], "status")) {
 			if (!(state & GOT_NAME))
 				goto parse_error_out;
-			if (get_token() < 0)
+			if (get_token(1, 1) < 0)
 				goto parse_error_out;
-			if (!strcasecmp(token, "rulz"))
+			if (!strcasecmp(token[0], "rulz"))
 				codec->status = CODECS_STATUS_WORKING;
-			else if (!strcasecmp(token, "suxx"))
+			else if (!strcasecmp(token[0], "suxx"))
 				codec->status = CODECS_STATUS_NOT_WORKING;
-			else if (!strcasecmp(token, "checkthiz"))
+			else if (!strcasecmp(token[0], "checkthiz"))
 				codec->status = CODECS_STATUS_UNTESTED;
-			else if (!strcasecmp(token, "notsogood"))
+			else if (!strcasecmp(token[0], "notsogood"))
 				codec->status = CODECS_STATUS_PROBLEMS;
 			else
 				goto parse_error_out;
 		} else
 			goto parse_error_out;
 	}
+	if (!valid_codec(codec))
+		goto not_valid_error_out;
 out:
 	free(line);
 	fclose(fp);
@@ -476,9 +475,10 @@ err_out:
 		free(codecs);
 	codecs = NULL;
 	goto out;
-eof_out:
-	/* FIXME teljes az utolso config?? */
-	goto out;
+not_valid_error_out:
+	PRINT_LINENUM;
+	printf("codec is not definied correctly\n");
+	goto err_out;
 }
 
 codecs_t* find_codec(unsigned int fourcc,unsigned int *fourccmap,int audioflag){
@@ -504,7 +504,8 @@ int main(void)
 	codecs_t *codecs;
         int i,j;
 
-	codecs = parse_codec_cfg("DOCS/codecs.conf");
+	if (!(codecs = parse_codec_cfg("DOCS/codecs.conf")))
+		return 0;
         
         printf("total %d codecs parsed\n",nr_codecs);
         for(i=0;i<nr_codecs;i++){
@@ -528,7 +529,7 @@ int main(void)
               }
             }
 
-            printf("GUID: %08X %04X %04X",c->guid.f1,c->guid.f2,c->guid.f3);
+            printf("GUID: %08lX %04X %04X",c->guid.f1,c->guid.f2,c->guid.f3);
             for(j=0;j<8;j++) printf(" %02X",c->guid.f4[j]);
             printf("\n");
 
-- 
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