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-rw-r--r--codec-cfg.c468
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
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