7a72695c05
* commit '36ef5369ee9b336febc2c270f8718cec4476cb85': Replace all CODEC_ID_* with AV_CODEC_ID_* lavc: add AV prefix to codec ids. Conflicts: doc/APIchanges doc/examples/decoding_encoding.c doc/examples/muxing.c ffmpeg.c ffprobe.c ffserver.c libavcodec/8svx.c libavcodec/avcodec.h libavcodec/dnxhd_parser.c libavcodec/dvdsubdec.c libavcodec/error_resilience.c libavcodec/h263dec.c libavcodec/libvorbisenc.c libavcodec/mjpeg_parser.c libavcodec/mjpegenc.c libavcodec/mpeg12.c libavcodec/mpeg4videodec.c libavcodec/mpegvideo.c libavcodec/mpegvideo_enc.c libavcodec/pcm.c libavcodec/r210dec.c libavcodec/utils.c libavcodec/v210dec.c libavcodec/version.h libavdevice/alsa-audio-dec.c libavdevice/bktr.c libavdevice/v4l2.c libavformat/asfdec.c libavformat/asfenc.c libavformat/avformat.h libavformat/avidec.c libavformat/caf.c libavformat/electronicarts.c libavformat/flacdec.c libavformat/flvdec.c libavformat/flvenc.c libavformat/framecrcenc.c libavformat/img2.c libavformat/img2dec.c libavformat/img2enc.c libavformat/ipmovie.c libavformat/isom.c libavformat/matroska.c libavformat/matroskadec.c libavformat/matroskaenc.c libavformat/mov.c libavformat/movenc.c libavformat/mp3dec.c libavformat/mpeg.c libavformat/mpegts.c libavformat/mxf.c libavformat/mxfdec.c libavformat/mxfenc.c libavformat/nsvdec.c libavformat/nut.c libavformat/oggenc.c libavformat/pmpdec.c libavformat/rawdec.c libavformat/rawenc.c libavformat/riff.c libavformat/sdp.c libavformat/utils.c libavformat/vocenc.c libavformat/wtv.c libavformat/xmv.c Merged-by: Michael Niedermayer <michaelni@gmx.at>
84 lines
2.6 KiB
C
84 lines
2.6 KiB
C
/*
|
|
* Copyright (c) 2012 Clément Bœsch
|
|
*
|
|
* 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
|
|
*/
|
|
|
|
/**
|
|
* @file
|
|
* RealText subtitle decoder
|
|
* @see http://service.real.com/help/library/guides/ProductionGuide/prodguide/htmfiles/realtext.htm
|
|
*/
|
|
|
|
#include "avcodec.h"
|
|
#include "ass.h"
|
|
#include "libavutil/avstring.h"
|
|
#include "libavutil/bprint.h"
|
|
|
|
static int rt_event_to_ass(AVBPrint *buf, const char *p)
|
|
{
|
|
int prev_chr_is_space = 1;
|
|
|
|
while (*p) {
|
|
if (*p != '<') {
|
|
if (!isspace(*p))
|
|
av_bprint_chars(buf, *p, 1);
|
|
else if (!prev_chr_is_space)
|
|
av_bprint_chars(buf, ' ', 1);
|
|
prev_chr_is_space = isspace(*p);
|
|
} else {
|
|
const char *end = strchr(p, '>');
|
|
if (!end)
|
|
break;
|
|
if (!av_strncasecmp(p, "<br/>", 5) ||
|
|
!av_strncasecmp(p, "<br>", 4)) {
|
|
av_bprintf(buf, "\\N");
|
|
}
|
|
p = end;
|
|
}
|
|
p++;
|
|
}
|
|
av_bprintf(buf, "\r\n");
|
|
return 0;
|
|
}
|
|
|
|
static int realtext_decode_frame(AVCodecContext *avctx,
|
|
void *data, int *got_sub_ptr, AVPacket *avpkt)
|
|
{
|
|
AVSubtitle *sub = data;
|
|
const char *ptr = avpkt->data;
|
|
AVBPrint buf;
|
|
|
|
av_bprint_init(&buf, 0, 4096);
|
|
// note: no need to rescale pts & duration since they are in the same
|
|
// timebase as ASS (1/100)
|
|
if (ptr && avpkt->size > 0 && !rt_event_to_ass(&buf, ptr))
|
|
ff_ass_add_rect(sub, buf.str, avpkt->pts, avpkt->duration, 0);
|
|
*got_sub_ptr = sub->num_rects > 0;
|
|
av_bprint_finalize(&buf, NULL);
|
|
return avpkt->size;
|
|
}
|
|
|
|
AVCodec ff_realtext_decoder = {
|
|
.name = "realtext",
|
|
.long_name = NULL_IF_CONFIG_SMALL("RealText subtitle"),
|
|
.type = AVMEDIA_TYPE_SUBTITLE,
|
|
.id = AV_CODEC_ID_REALTEXT,
|
|
.decode = realtext_decode_frame,
|
|
.init = ff_ass_subtitle_header_default,
|
|
};
|