diff options
Diffstat (limited to 'libavcodec/dsicinav.c')
| -rw-r--r-- | libavcodec/dsicinav.c | 44 |
1 files changed, 23 insertions, 21 deletions
diff --git a/libavcodec/dsicinav.c b/libavcodec/dsicinav.c index 643aed946b..05d9e4cc14 100644 --- a/libavcodec/dsicinav.c +++ b/libavcodec/dsicinav.c @@ -2,20 +2,20 @@ * Delphine Software International CIN Audio/Video Decoders * Copyright (c) 2006 Gregory Montoir (cyx@users.sourceforge.net) * - * This file is part of Libav. + * This file is part of FFmpeg. * - * Libav is free software; you can redistribute it and/or + * 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. * - * Libav is distributed in the hope that it will be useful, + * 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 Libav; if not, write to the Free Software + * License along with FFmpeg; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ @@ -94,6 +94,7 @@ static av_cold int cinvideo_decode_init(AVCodecContext *avctx) cin->avctx = avctx; avctx->pix_fmt = PIX_FMT_PAL8; + avcodec_get_frame_defaults(&cin->frame); cin->frame.data[0] = NULL; cin->bitmap_size = avctx->width * avctx->height; @@ -216,7 +217,11 @@ static int cinvideo_decode_frame(AVCodecContext *avctx, bitmap_frame_size = buf_size - 4; /* handle palette */ + if (bitmap_frame_size < palette_colors_count * (3 + (palette_type != 0))) + return AVERROR_INVALIDDATA; if (palette_type == 0) { + if (palette_colors_count > 256) + return AVERROR_INVALIDDATA; for (i = 0; i < palette_colors_count; ++i) { cin->palette[i] = bytestream_get_le24(&buf); bitmap_frame_size -= 3; @@ -344,26 +349,23 @@ static int cinaudio_decode_frame(AVCodecContext *avctx, AVCodec ff_dsicinvideo_decoder = { - "dsicinvideo", - AVMEDIA_TYPE_VIDEO, - CODEC_ID_DSICINVIDEO, - sizeof(CinVideoContext), - cinvideo_decode_init, - NULL, - cinvideo_decode_end, - cinvideo_decode_frame, - CODEC_CAP_DR1, + .name = "dsicinvideo", + .type = AVMEDIA_TYPE_VIDEO, + .id = CODEC_ID_DSICINVIDEO, + .priv_data_size = sizeof(CinVideoContext), + .init = cinvideo_decode_init, + .close = cinvideo_decode_end, + .decode = cinvideo_decode_frame, + .capabilities = CODEC_CAP_DR1, .long_name = NULL_IF_CONFIG_SMALL("Delphine Software International CIN video"), }; AVCodec ff_dsicinaudio_decoder = { - "dsicinaudio", - AVMEDIA_TYPE_AUDIO, - CODEC_ID_DSICINAUDIO, - sizeof(CinAudioContext), - cinaudio_decode_init, - NULL, - NULL, - cinaudio_decode_frame, + .name = "dsicinaudio", + .type = AVMEDIA_TYPE_AUDIO, + .id = CODEC_ID_DSICINAUDIO, + .priv_data_size = sizeof(CinAudioContext), + .init = cinaudio_decode_init, + .decode = cinaudio_decode_frame, .long_name = NULL_IF_CONFIG_SMALL("Delphine Software International CIN audio"), }; |