mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-12-12 19:18:44 +02:00
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>
68 lines
2.2 KiB
C
68 lines
2.2 KiB
C
/*
|
|
* SSA/ASS encoder
|
|
* 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 "libavutil/avstring.h"
|
|
|
|
static av_cold int ass_encode_init(AVCodecContext *avctx)
|
|
{
|
|
avctx->extradata = av_malloc(avctx->subtitle_header_size);
|
|
if (!avctx->extradata)
|
|
return AVERROR(ENOMEM);
|
|
memcpy(avctx->extradata, avctx->subtitle_header, avctx->subtitle_header_size);
|
|
avctx->extradata_size = avctx->subtitle_header_size;
|
|
return 0;
|
|
}
|
|
|
|
static int ass_encode_frame(AVCodecContext *avctx,
|
|
unsigned char *buf, int bufsize, void *data)
|
|
{
|
|
AVSubtitle *sub = data;
|
|
int i, len, total_len = 0;
|
|
|
|
for (i=0; i<sub->num_rects; i++) {
|
|
if (sub->rects[i]->type != SUBTITLE_ASS) {
|
|
av_log(avctx, AV_LOG_ERROR, "Only SUBTITLE_ASS type supported.\n");
|
|
return -1;
|
|
}
|
|
|
|
len = av_strlcpy(buf+total_len, sub->rects[i]->ass, bufsize-total_len);
|
|
|
|
if (len > bufsize-total_len-1) {
|
|
av_log(avctx, AV_LOG_ERROR, "Buffer too small for ASS event.\n");
|
|
return -1;
|
|
}
|
|
|
|
total_len += len;
|
|
}
|
|
|
|
return total_len;
|
|
}
|
|
|
|
AVCodec ff_ass_encoder = {
|
|
.name = "ass",
|
|
.long_name = NULL_IF_CONFIG_SMALL("SSA (SubStation Alpha) subtitle"),
|
|
.type = AVMEDIA_TYPE_SUBTITLE,
|
|
.id = AV_CODEC_ID_SSA,
|
|
.init = ass_encode_init,
|
|
.encode = ass_encode_frame,
|
|
};
|