imported codec-cfg, small fixes

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@298 b3059339-0415-0410-9bf9-f77b7e298cf2

1 files changed, 468 insertions, 0 deletions

diff --git a/codec-cfg.c b/codec-cfg.c
new file mode 100644
index 0000000000..ddf6c6de7b
--- /dev/null
+++ b/codec-cfg.c
@@ -0,0 +1,468 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <errno.h>
+#include <ctype.h>
+#include <assert.h>
+#include <string.h>
+
+#include "libvo/video_out.h"
+#include "codec-cfg.h"
+
+#define MALLOC_ADD	10
+
+#define MAX_LINE_LEN	1000
+
+#define STATE_MASK	((1<<7)-1)
+
+#define GOT_NAME	(1<<0)
+#define GOT_INFO	(1<<1)
+#define GOT_FOURCC	(1<<2)
+#define GOT_FORMAT	(1<<3)
+#define GOT_DRIVER	(1<<4)
+#define GOT_DLL		(1<<5)
+#define GOT_OUT		(1<<6)
+
+#define RET_EOF		-1
+#define RET_EOL		-2
+#define RET_OK		0
+
+FILE *fp;
+int line_num = 0;
+int line_pos;	/* line pos */
+int firstdef = 1;
+char *line;
+char *token;
+
+int nr_codecs = 0;
+
+int get_token(void)
+{
+	static int read_nextline = 1;
+
+	if (read_nextline) {
+		if (!fgets(line, MAX_LINE_LEN, fp))
+			goto ret_eof;
+		line_pos = 0;
+		++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 */;
+		if (!line[line_pos]) {
+			read_nextline = 1;
+			goto ret_eol;
+		}
+	} else {
+		for (/* NOTHING */; !isspace(line[line_pos]); line_pos++)
+			/* NOTHING */;
+	}
+	line[line_pos] = '\0';
+	line_pos++;
+#ifdef DEBUG
+	printf("get_token ok\n");
+#endif
+	return RET_OK;
+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;
+}
+
+int add_to_fourcc(char *s, char *alias, unsigned int *fourcc,
+		unsigned int *map)
+{
+	int i;
+	char **aliasp;
+
+	/* 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;
+	do {
+		fourcc[i] = *((unsigned int *) s);
+		map[i++] = *((unsigned int *) (*aliasp));
+		s += 4;
+	} while (*(s++) == ',');
+#endif
+	if (*(--s) != '\0')
+		return 0;
+	return 1;
+}
+
+int add_to_format(char *s, unsigned int *format)
+{
+	return 1;
+}
+
+short get_flags(char *s)
+{
+	if (!s)
+		return 0;
+	return 1;
+}
+
+int add_to_out(char *sfmt, char *sflags, unsigned int *outfmt,
+		unsigned char *outflags)
+{
+	static char *fmtstr[] = {
+		"YUY2",
+		"YV12",
+		"RGB8",
+		"RGB15",
+		"RGB16",
+		"RGB24",
+		"RGB32",
+		"BGR8",
+		"BGR15",
+		"BGR16",
+		"BGR24",
+		"BGR32",
+		NULL
+	};
+	static unsigned int fmtnum[] = {
+		IMGFMT_YUY2,
+		IMGFMT_YV12,
+		IMGFMT_RGB|8,
+		IMGFMT_RGB|15,
+		IMGFMT_RGB|16,
+		IMGFMT_RGB|24,
+		IMGFMT_RGB|32,
+		IMGFMT_BGR|8,
+		IMGFMT_BGR|15,
+		IMGFMT_BGR|16,
+		IMGFMT_BGR|24,
+		IMGFMT_BGR|32
+	};
+	int i, j;
+	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;
+	}
+
+	flags = get_flags(sflags);
+
+	do {
+		for (j = 0; fmtstr[i] != NULL; j++)
+			if (!strncmp(sfmt, fmtstr[j], strlen(fmtstr[j])))
+				break;
+		if (fmtstr[j] == NULL)
+			return 0;
+		outfmt[i] = fmtnum[j];
+		outflags[i] = flags;
+		sfmt+=strlen(fmtstr[j]);
+	} while (*(sfmt++) == ',');
+	if (*(--sfmt) != '\0')
+		return 0;
+	return 1;
+}
+
+short get_driver(char *s)
+{
+	return 0;
+}
+
+#define DEBUG
+
+codecs_t *parse_codec_cfg(char *cfgfile)
+{
+#define PRINT_LINENUM	printf("%s(%d): ", cfgfile, line_num)
+#define GET_MEM\
+	do {\
+		if (!(codecs = (codecs_t *) realloc(codecs,\
+				sizeof(codecs_t) * (nr_codecs + 1)))) {\
+			perror("parse_codec_cfg: can't realloc 'codecs'");\
+			goto err_out;\
+		}\
+	} while (0)
+
+	codecs_t *codecs = NULL;
+	int free_slots = 0;
+	int tmp, i;
+	int state = 0;
+	char *param1;
+
+#ifdef DEBUG
+	assert(cfgfile != NULL);
+#endif
+
+	printf("Reading codec config file: %s\n", cfgfile);
+
+	if ((line = (char *) malloc(MAX_LINE_LEN + 1)) == NULL) {
+		perror("parse_codec_cfg: can't get memory for 'line'");
+		return NULL;
+	}
+
+	if ((fp = fopen(cfgfile, "r")) == NULL) {
+		printf("parse_codec_cfg: can't open '%s': %s\n", cfgfile, strerror(errno));
+		free(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;
+		if (tmp == RET_EOL)
+			continue;
+		if (!strcmp(token, "audiocodec") || !strcmp(token, "videocodec")) {
+			if (codecs) {
+//				tmp = ~state & STATE_MASK;
+//				if (tmp != GOT_FOURCC && tmp != GOT_FORMAT)
+//					goto parse_error_out;
+				nr_codecs++;
+			}
+			PRINT_LINENUM;
+			GET_MEM;
+			state = 0;
+			codecs[nr_codecs].comment = NULL;
+			memset(codecs[nr_codecs].fourcc, 0xff,
+					sizeof(codecs[nr_codecs].fourcc) );
+/*
+			memset(codecs[nr_codecs].fourccmap, 0xff,
+					sizeof(codecs[nr_codecs].fourccmap) *
+					CODECS_MAX_FOURCC);
+*/
+			memset(codecs[nr_codecs].outfmt, 0xff,
+					sizeof(codecs[nr_codecs].outfmt) );
+			if (*token == 'a') {		/* audiocodec */
+				printf("audio");
+				codecs[nr_codecs].flags |= CODECS_FLAG_AUDIO;
+			} else if (*token == 'v') {	/* videocodec */
+				printf("video");
+				codecs[nr_codecs].flags &= !CODECS_FLAG_AUDIO;
+			} else {
+				printf("itt valami nagyon el van baszva\n");
+				goto err_out;
+			}
+			if (get_token() < 0)
+				goto parse_error_out;
+			codecs[nr_codecs].name = strdup(token);
+			state |= GOT_NAME;
+			printf(" %s\n", codecs[nr_codecs].name);
+		} else if (!strcmp(token, "info")) {
+			if (!(state & GOT_NAME))
+				goto parse_error_out;
+			PRINT_LINENUM;
+			printf("info");
+			if (state & GOT_INFO || get_token() < 0)
+				goto parse_error_out;
+			codecs[nr_codecs].info = strdup(token);
+			state |= GOT_INFO;
+			printf(" %s\n", codecs[nr_codecs].info);
+		} else if (!strcmp(token, "comment")) {
+			if (!(state & GOT_NAME))
+				goto parse_error_out;
+			PRINT_LINENUM;
+			printf("comment");
+			if (get_token() < 0)
+				goto parse_error_out;
+#if 1
+			if (!codecs[nr_codecs].comment)
+				codecs[nr_codecs].comment = strdup(token);
+			printf(" %s\n", codecs[nr_codecs].comment);
+#else
+			add_comment(token, &codecs[nr_codecs].comment);
+			printf(" FIXMEEEEEEEEEEEEEEE\n");
+#endif
+		} else if (!strcmp(token, "fourcc")) {
+			if (!(state & GOT_NAME))
+				goto parse_error_out;
+			PRINT_LINENUM;
+			printf("fourcc");
+			if (codecs[nr_codecs].flags & CODECS_FLAG_AUDIO) {
+				printf("\n'fourcc' in audiocodec definition!\n");
+				goto err_out;
+			}
+			if (get_token() < 0)
+				goto parse_error_out;
+			param1 = strdup(token);
+			get_token();
+			if (!add_to_fourcc(param1, token,
+						codecs[nr_codecs].fourcc,
+						codecs[nr_codecs].fourccmap))
+				goto err_out;
+			state |= GOT_FOURCC;
+			printf(" %s: %s\n", param1, token);
+			free(param1);
+		} else if (!strcmp(token, "format")) {
+			if (!(state & GOT_NAME))
+				goto parse_error_out;
+			PRINT_LINENUM;
+			printf("format");
+			if (!(codecs[nr_codecs].flags & CODECS_FLAG_AUDIO)) {
+				printf("\n'format' in videocodec definition!\n");
+				goto err_out;
+			}
+			if (get_token() < 0)
+				goto parse_error_out;
+			if (!add_to_format(token, codecs[nr_codecs].fourcc))
+				goto err_out;
+			state |= GOT_FORMAT;
+			printf(" %s\n", token);
+		} else if (!strcmp(token, "driver")) {
+			if (!(state & GOT_NAME))
+				goto parse_error_out;
+			PRINT_LINENUM;
+			printf("driver");
+			if (get_token() < 0)
+				goto parse_error_out;
+			if ((codecs[nr_codecs].driver = get_driver(token)) == -1)
+				goto err_out;
+			printf(" %s\n", token);
+		} else if (!strcmp(token, "dll")) {
+			if (!(state & GOT_NAME))
+				goto parse_error_out;
+			PRINT_LINENUM;
+			printf("dll");
+			if (get_token() < 0)
+				goto parse_error_out;
+			codecs[nr_codecs].dll = strdup(token);
+			printf(" %s\n", codecs[nr_codecs].dll);
+		} else if (!strcmp(token, "guid")) {
+			if (!(state & GOT_NAME))
+				goto parse_error_out;
+			PRINT_LINENUM;
+			printf("guid");
+			if (get_token() < 0)
+				goto parse_error_out;
+			sscanf(token, "%ld,", &codecs[nr_codecs].guid.f1);
+			if (get_token() < 0)
+				goto parse_error_out;
+			sscanf(token, "%d,", &tmp);
+			codecs[nr_codecs].guid.f2 = tmp;
+			if (get_token() < 0)
+				goto parse_error_out;
+			sscanf(token, "%d,", &tmp);
+			codecs[nr_codecs].guid.f3 = tmp;
+			for (i = 0; i < 7; i++) {
+				if (get_token() < 0)
+					goto parse_error_out;
+				sscanf(token, "%d,", &tmp);
+				codecs[nr_codecs].guid.f4[i] = tmp;
+			}
+			if (get_token() < 0)
+				goto parse_error_out;
+			sscanf(token, "%d", &tmp);
+			codecs[nr_codecs].guid.f4[7] = tmp;
+			printf(" %s\n", token);
+		} else if (!strcmp(token, "out")) {
+			if (!(state & GOT_NAME))
+				goto parse_error_out;
+			PRINT_LINENUM;
+			printf("out");
+			if (get_token() < 0)
+				goto parse_error_out;
+			param1 = strdup(token);
+			get_token();
+			if (!add_to_out(param1, token, codecs[nr_codecs].outfmt,
+						codecs[nr_codecs].outflags))
+				goto err_out;
+			printf(" %s: %s\n", param1, token);
+			free(param1);
+		} else if (!strcmp(token, "flags")) {
+			if (!(state & GOT_NAME))
+				goto parse_error_out;
+			PRINT_LINENUM;
+			printf("flags");
+			if (get_token() < 0)
+				goto parse_error_out;
+			printf(" %s\n", token);
+		} else
+			goto parse_error_out;
+	}
+out:
+	free(line);
+	fclose(fp);
+	return codecs;
+parse_error_out:
+	PRINT_LINENUM;
+	printf("parse error\n");
+err_out:
+	printf("\nOops\n");
+	if (codecs)
+		free(codecs);
+	codecs = NULL;
+	goto out;
+eof_out:
+	/* FIXME teljes az utolso config?? */
+	goto out;
+}
+
+#ifdef TESTING
+int main(void)
+{
+	codecs_t *codecs;
+        int i,j;
+
+	codecs = parse_codec_cfg("codecs.conf");
+        
+        printf("total %d codecs parsed\n",nr_codecs);
+        for(i=0;i<nr_codecs;i++){
+            codecs_t *c=&codecs[i];
+            printf("\n============== codec %02d ===============\n",i);
+            printf("name='%s'\n",c->name);
+            printf("info='%s'\n",c->info);
+            printf("comment='%s'\n",c->comment);
+            printf("dll='%s'\n",c->dll);
+            printf("flags=%X  driver=%d\n",c->flags,c->driver);
+            for(j=0;j<CODECS_MAX_FOURCC;j++){
+              if(c->fourcc[j]!=0xFFFFFFFF){
+                  printf("fourcc %02d:  %08X (%.4s) ===> %08X (%.4s)\n",j,c->fourcc[j],&c->fourcc[j],c->fourccmap[j],&c->fourccmap[j]);
+              }
+            }
+        }
+        
+	return 0;
+}
+
+#endif