#include "libavutil/parseutils.h"
#include "avcodec.h"
#include "ass.h"
-
-static int html_color_parse(AVCodecContext *avctx, const char *str)
-{
- uint8_t rgba[4];
- if (av_parse_color(rgba, str, strcspn(str, "\" >"), avctx) < 0)
- return -1;
- return rgba[0] | rgba[1] << 8 | rgba[2] << 16;
-}
-
-enum {
- PARAM_UNKNOWN = -1,
- PARAM_SIZE,
- PARAM_COLOR,
- PARAM_FACE,
- PARAM_NUMBER
-};
-
-typedef struct SrtStack {
- char tag[128];
- char param[PARAM_NUMBER][128];
-} SrtStack;
-
-static void rstrip_spaces_buf(AVBPrint *buf)
-{
- while (buf->len > 0 && buf->str[buf->len - 1] == ' ')
- buf->str[--buf->len] = 0;
-}
+#include "htmlsubtitles.h"
static void srt_to_ass(AVCodecContext *avctx, AVBPrint *dst,
const char *in, int x1, int y1, int x2, int y2)
{
- char *param, buffer[128], tmp[128];
- int len, tag_close, sptr = 1, line_start = 1, an = 0, end = 0;
- SrtStack stack[16];
-
- stack[0].tag[0] = 0;
- strcpy(stack[0].param[PARAM_SIZE], "{\\fs}");
- strcpy(stack[0].param[PARAM_COLOR], "{\\c}");
- strcpy(stack[0].param[PARAM_FACE], "{\\fn}");
-
if (x1 >= 0 && y1 >= 0) {
/* XXX: here we rescale coordinate assuming they are in DVD resolution
* (720x480) since we don't have anything better */
}
}
- for (; !end && *in; in++) {
- switch (*in) {
- case '\r':
- break;
- case '\n':
- if (line_start) {
- end = 1;
- break;
- }
- rstrip_spaces_buf(dst);
- av_bprintf(dst, "\\N");
- line_start = 1;
- break;
- case ' ':
- if (!line_start)
- av_bprint_chars(dst, *in, 1);
- break;
- case '{': /* skip all {\xxx} substrings except for {\an%d}
- and all microdvd like styles such as {Y:xxx} */
- len = 0;
- an += sscanf(in, "{\\an%*1u}%n", &len) >= 0 && len > 0;
- if ((an != 1 && (len = 0, sscanf(in, "{\\%*[^}]}%n", &len) >= 0 && len > 0)) ||
- (len = 0, sscanf(in, "{%*1[CcFfoPSsYy]:%*[^}]}%n", &len) >= 0 && len > 0)) {
- in += len - 1;
- } else
- av_bprint_chars(dst, *in, 1);
- break;
- case '<':
- tag_close = in[1] == '/';
- len = 0;
- if (sscanf(in+tag_close+1, "%127[^>]>%n", buffer, &len) >= 1 && len > 0) {
- if ((param = strchr(buffer, ' ')))
- *param++ = 0;
- if ((!tag_close && sptr < FF_ARRAY_ELEMS(stack)) ||
- ( tag_close && sptr > 0 && !strcmp(stack[sptr-1].tag, buffer))) {
- int i, j, unknown = 0;
- in += len + tag_close;
- if (!tag_close)
- memset(stack+sptr, 0, sizeof(*stack));
- if (!strcmp(buffer, "font")) {
- if (tag_close) {
- for (i=PARAM_NUMBER-1; i>=0; i--)
- if (stack[sptr-1].param[i][0])
- for (j=sptr-2; j>=0; j--)
- if (stack[j].param[i][0]) {
- av_bprintf(dst, "%s", stack[j].param[i]);
- break;
- }
- } else {
- while (param) {
- if (!strncmp(param, "size=", 5)) {
- unsigned font_size;
- param += 5 + (param[5] == '"');
- if (sscanf(param, "%u", &font_size) == 1) {
- snprintf(stack[sptr].param[PARAM_SIZE],
- sizeof(stack[0].param[PARAM_SIZE]),
- "{\\fs%u}", font_size);
- }
- } else if (!strncmp(param, "color=", 6)) {
- param += 6 + (param[6] == '"');
- snprintf(stack[sptr].param[PARAM_COLOR],
- sizeof(stack[0].param[PARAM_COLOR]),
- "{\\c&H%X&}",
- html_color_parse(avctx, param));
- } else if (!strncmp(param, "face=", 5)) {
- param += 5 + (param[5] == '"');
- len = strcspn(param,
- param[-1] == '"' ? "\"" :" ");
- av_strlcpy(tmp, param,
- FFMIN(sizeof(tmp), len+1));
- param += len;
- snprintf(stack[sptr].param[PARAM_FACE],
- sizeof(stack[0].param[PARAM_FACE]),
- "{\\fn%s}", tmp);
- }
- if ((param = strchr(param, ' ')))
- param++;
- }
- for (i=0; i<PARAM_NUMBER; i++)
- if (stack[sptr].param[i][0])
- av_bprintf(dst, "%s", stack[sptr].param[i]);
- }
- } else if (!buffer[1] && strspn(buffer, "bisu") == 1) {
- av_bprintf(dst, "{\\%c%d}", buffer[0], !tag_close);
- } else {
- unknown = 1;
- snprintf(tmp, sizeof(tmp), "</%s>", buffer);
- }
- if (tag_close) {
- sptr--;
- } else if (unknown && !strstr(in, tmp)) {
- in -= len + tag_close;
- av_bprint_chars(dst, *in, 1);
- } else
- av_strlcpy(stack[sptr++].tag, buffer,
- sizeof(stack[0].tag));
- break;
- }
- }
- default:
- av_bprint_chars(dst, *in, 1);
- break;
- }
- if (*in != ' ' && *in != '\r' && *in != '\n')
- line_start = 0;
- }
-
- while (dst->len >= 2 && !strncmp(&dst->str[dst->len - 2], "\\N", 2))
- dst->len -= 2;
- dst->str[dst->len] = 0;
- rstrip_spaces_buf(dst);
+ ff_htmlmarkup_to_ass(avctx, dst, in);
}
static int srt_decode_frame(AVCodecContext *avctx,
projects / ffmpeg / blobdiff