6851130fd6
Also update some common misspelled words in patcheck Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
105 lines
4.0 KiB
C
105 lines
4.0 KiB
C
/*
|
|
* SSA/ASS common functions
|
|
* Copyright (c) 2010 Aurelien Jacobs <aurel@gnuage.org>
|
|
*
|
|
* This file is part of FFmpeg.
|
|
*
|
|
* FFmpeg is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* FFmpeg is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with FFmpeg; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
#include "avcodec.h"
|
|
#include "ass.h"
|
|
#include "libavutil/avstring.h"
|
|
|
|
int ff_ass_subtitle_header(AVCodecContext *avctx,
|
|
const char *font, int font_size,
|
|
int color, int back_color,
|
|
int bold, int italic, int underline,
|
|
int alignment)
|
|
{
|
|
avctx->subtitle_header = av_asprintf(
|
|
"[Script Info]\r\n"
|
|
"ScriptType: v4.00+\r\n"
|
|
"\r\n"
|
|
"[V4+ Styles]\r\n"
|
|
"Format: Name, Fontname, Fontsize, PrimaryColour, SecondaryColour, OutlineColour, BackColour, Bold, Italic, Underline, BorderStyle, Outline, Shadow, Alignment, MarginL, MarginR, MarginV, AlphaLevel, Encoding\r\n"
|
|
"Style: Default,%s,%d,&H%x,&H%x,&H%x,&H%x,%d,%d,%d,1,1,0,%d,10,10,10,0,0\r\n"
|
|
"\r\n"
|
|
"[Events]\r\n"
|
|
"Format: Layer, Start, End, Text\r\n",
|
|
font, font_size, color, color, back_color, back_color,
|
|
-bold, -italic, -underline, alignment);
|
|
|
|
if (!avctx->subtitle_header)
|
|
return AVERROR(ENOMEM);
|
|
avctx->subtitle_header_size = strlen(avctx->subtitle_header);
|
|
return 0;
|
|
}
|
|
|
|
int ff_ass_subtitle_header_default(AVCodecContext *avctx)
|
|
{
|
|
return ff_ass_subtitle_header(avctx, ASS_DEFAULT_FONT,
|
|
ASS_DEFAULT_FONT_SIZE,
|
|
ASS_DEFAULT_COLOR,
|
|
ASS_DEFAULT_BACK_COLOR,
|
|
ASS_DEFAULT_BOLD,
|
|
ASS_DEFAULT_ITALIC,
|
|
ASS_DEFAULT_UNDERLINE,
|
|
ASS_DEFAULT_ALIGNMENT);
|
|
}
|
|
|
|
static int ts_to_string(char *str, int strlen, int ts)
|
|
{
|
|
int h, m, s;
|
|
h = ts/360000; ts -= 360000*h;
|
|
m = ts/ 6000; ts -= 6000*m;
|
|
s = ts/ 100; ts -= 100*s;
|
|
return snprintf(str, strlen, "%d:%02d:%02d.%02d", h, m, s, ts);
|
|
}
|
|
|
|
int ff_ass_add_rect(AVSubtitle *sub, const char *dialog,
|
|
int ts_start, int duration, int raw)
|
|
{
|
|
int len = 0, dlen;
|
|
char s_start[16], s_end[16], header[48] = {0};
|
|
AVSubtitleRect **rects;
|
|
|
|
if (!raw) {
|
|
ts_to_string(s_start, sizeof(s_start), ts_start);
|
|
if (duration == -1)
|
|
snprintf(s_end, sizeof(s_end), "9:59:59.99");
|
|
else
|
|
ts_to_string(s_end, sizeof(s_end), ts_start + duration);
|
|
len = snprintf(header, sizeof(header), "Dialogue: 0,%s,%s,",
|
|
s_start, s_end);
|
|
}
|
|
|
|
dlen = strcspn(dialog, "\n");
|
|
dlen += dialog[dlen] == '\n';
|
|
|
|
rects = av_realloc(sub->rects, (sub->num_rects+1) * sizeof(*sub->rects));
|
|
if (!rects)
|
|
return AVERROR(ENOMEM);
|
|
sub->rects = rects;
|
|
sub->end_display_time = FFMAX(sub->end_display_time, 10 * duration);
|
|
rects[sub->num_rects] = av_mallocz(sizeof(*rects[0]));
|
|
rects[sub->num_rects]->type = SUBTITLE_ASS;
|
|
rects[sub->num_rects]->ass = av_malloc(len + dlen + 1);
|
|
strcpy (rects[sub->num_rects]->ass , header);
|
|
av_strlcpy(rects[sub->num_rects]->ass + len, dialog, dlen + 1);
|
|
sub->num_rects++;
|
|
return dlen;
|
|
}
|