From 33b6752a708f9afc2a99a86ff28a42803e52bc28 Mon Sep 17 00:00:00 2001 From: Nick Renieris Date: Thu, 29 Aug 2019 16:10:46 +0300 Subject: lavc/tiff: Don't apply strips-related logic to tiled images Signed-off-by: Nick Renieris --- libavcodec/tiff.c | 42 ++++++++++++++++++++++-------------------- 1 file changed, 22 insertions(+), 20 deletions(-) (limited to 'libavcodec') diff --git a/libavcodec/tiff.c b/libavcodec/tiff.c index 816fb930c7..b4015178f2 100644 --- a/libavcodec/tiff.c +++ b/libavcodec/tiff.c @@ -1790,7 +1790,7 @@ again: } } - if (!s->strippos && !s->stripoff) { + if (!s->is_tiled && !s->strippos && !s->stripoff) { av_log(avctx, AV_LOG_ERROR, "Image data is missing\n"); return AVERROR_INVALIDDATA; } @@ -1798,27 +1798,29 @@ again: if ((ret = init_image(s, &frame)) < 0) return ret; - if (s->strips == 1 && !s->stripsize) { - av_log(avctx, AV_LOG_WARNING, "Image data size missing\n"); - s->stripsize = avpkt->size - s->stripoff; - } + if (!s->is_tiled) { + if (s->strips == 1 && !s->stripsize) { + av_log(avctx, AV_LOG_WARNING, "Image data size missing\n"); + s->stripsize = avpkt->size - s->stripoff; + } - if (s->stripsizesoff) { - if (s->stripsizesoff >= (unsigned)avpkt->size) - return AVERROR_INVALIDDATA; - bytestream2_init(&stripsizes, avpkt->data + s->stripsizesoff, - avpkt->size - s->stripsizesoff); - } - if (s->strippos) { - if (s->strippos >= (unsigned)avpkt->size) - return AVERROR_INVALIDDATA; - bytestream2_init(&stripdata, avpkt->data + s->strippos, - avpkt->size - s->strippos); - } + if (s->stripsizesoff) { + if (s->stripsizesoff >= (unsigned)avpkt->size) + return AVERROR_INVALIDDATA; + bytestream2_init(&stripsizes, avpkt->data + s->stripsizesoff, + avpkt->size - s->stripsizesoff); + } + if (s->strippos) { + if (s->strippos >= (unsigned)avpkt->size) + return AVERROR_INVALIDDATA; + bytestream2_init(&stripdata, avpkt->data + s->strippos, + avpkt->size - s->strippos); + } - if (s->rps <= 0 || s->rps % s->subsampling[1]) { - av_log(avctx, AV_LOG_ERROR, "rps %d invalid\n", s->rps); - return AVERROR_INVALIDDATA; + if (s->rps <= 0 || s->rps % s->subsampling[1]) { + av_log(avctx, AV_LOG_ERROR, "rps %d invalid\n", s->rps); + return AVERROR_INVALIDDATA; + } } /* Handle DNG images with JPEG-compressed tiles */ -- cgit v1.2.3