diff options
Diffstat (limited to 'libavformat/tta.c')
| -rw-r--r-- | libavformat/tta.c | 21 |
1 files changed, 11 insertions, 10 deletions
diff --git a/libavformat/tta.c b/libavformat/tta.c index 9d3d295aba..445389ed95 100644 --- a/libavformat/tta.c +++ b/libavformat/tta.c @@ -2,20 +2,20 @@ * TTA demuxer * Copyright (c) 2006 Alex Beregszaszi * - * 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 */ @@ -44,8 +44,9 @@ static int tta_read_header(AVFormatContext *s) { TTAContext *c = s->priv_data; AVStream *st; - int i, channels, bps, samplerate, datalen; + int i, channels, bps, samplerate; uint64_t framepos, start_offset; + uint32_t datalen; if (!av_dict_get(s->metadata, "", NULL, AV_DICT_IGNORE_SUFFIX)) ff_id3v1_read(s); @@ -64,9 +65,9 @@ static int tta_read_header(AVFormatContext *s) } datalen = avio_rl32(s->pb); - if(datalen < 0){ - av_log(s, AV_LOG_ERROR, "nonsense datalen\n"); - return -1; + if (!datalen) { + av_log(s, AV_LOG_ERROR, "invalid datalen\n"); + return AVERROR_INVALIDDATA; } avio_skip(s->pb, 4); // header crc @@ -78,8 +79,8 @@ static int tta_read_header(AVFormatContext *s) c->totalframes = datalen / c->frame_size + (c->last_frame_size < c->frame_size); c->currentframe = 0; - if(c->totalframes >= UINT_MAX/sizeof(uint32_t)){ - av_log(s, AV_LOG_ERROR, "totalframes too large\n"); + if(c->totalframes >= UINT_MAX/sizeof(uint32_t) || c->totalframes <= 0){ + av_log(s, AV_LOG_ERROR, "totalframes %d invalid\n", c->totalframes); return -1; } |