3 * Copyright (c) 2010 Aurelien Jacobs <aurel@gnuage.org>
5 * This file is part of Libav.
7 * Libav 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 * Libav 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 Libav; 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);
32 if (!avctx->extradata)
33 return AVERROR(ENOMEM);
34 memcpy(avctx->subtitle_header, avctx->extradata, avctx->extradata_size);
35 avctx->subtitle_header_size = avctx->extradata_size;
39 static int ass_decode_frame(AVCodecContext *avctx, void *data, int *got_sub_ptr,
42 const char *ptr = avpkt->data;
43 int len, size = avpkt->size;
48 len = ff_ass_add_rect(data, ptr, 0, 0/* FIXME: duration */, 1);
55 *got_sub_ptr = avpkt->size > 0;
59 AVCodec ff_ass_decoder = {
61 .long_name = NULL_IF_CONFIG_SMALL("SSA (SubStation Alpha) subtitle"),
62 .type = AVMEDIA_TYPE_SUBTITLE,
63 .id = AV_CODEC_ID_SSA,
64 .init = ass_decode_init,
65 .decode = ass_decode_frame,