3 * Copyright (c) 2010 Aurelien Jacobs <aurel@gnuage.org>
5 * This file is part of FFmpeg.
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
26 #include "libavutil/internal.h"
27 #include "libavutil/mem.h"
29 static av_cold int ass_decode_init(AVCodecContext *avctx)
31 avctx->subtitle_header = av_malloc(avctx->extradata_size + 1);
32 if (!avctx->subtitle_header)
33 return AVERROR(ENOMEM);
34 memcpy(avctx->subtitle_header, avctx->extradata, avctx->extradata_size);
35 avctx->subtitle_header[avctx->extradata_size] = 0;
36 avctx->subtitle_header_size = avctx->extradata_size;
40 static int ass_decode_frame(AVCodecContext *avctx, void *data, int *got_sub_ptr,
43 AVSubtitle *sub = data;
48 sub->rects = av_malloc(sizeof(*sub->rects));
50 return AVERROR(ENOMEM);
51 sub->rects[0] = av_mallocz(sizeof(*sub->rects[0]));
53 return AVERROR(ENOMEM);
55 sub->rects[0]->type = SUBTITLE_ASS;
56 sub->rects[0]->ass = av_strdup(avpkt->data);
57 if (!sub->rects[0]->ass)
58 return AVERROR(ENOMEM);
63 #if CONFIG_SSA_DECODER
64 AVCodec ff_ssa_decoder = {
66 .long_name = NULL_IF_CONFIG_SMALL("ASS (Advanced SubStation Alpha) subtitle"),
67 .type = AVMEDIA_TYPE_SUBTITLE,
68 .id = AV_CODEC_ID_ASS,
69 .init = ass_decode_init,
70 .decode = ass_decode_frame,
74 #if CONFIG_ASS_DECODER
75 AVCodec ff_ass_decoder = {
77 .long_name = NULL_IF_CONFIG_SMALL("ASS (Advanced SubStation Alpha) subtitle"),
78 .type = AVMEDIA_TYPE_SUBTITLE,
79 .id = AV_CODEC_ID_ASS,
80 .init = ass_decode_init,
81 .decode = ass_decode_frame,