[FFmpeg-devel] [PATCH v13 07/14] lavc/tiff: Don't apply strips-related logic to tiled images
Nick Renieris
velocityra at gmail.com
Sun Aug 11 01:19:27 EEST 2019
From: Nick Renieris <velocityra at gmail.com>
Signed-off-by: Nick Renieris <velocityra at gmail.com>
---
libavcodec/tiff.c | 42 ++++++++++++++++++++++--------------------
1 file changed, 22 insertions(+), 20 deletions(-)
diff --git a/libavcodec/tiff.c b/libavcodec/tiff.c
index 37fda15162..174ca168c6 100644
--- a/libavcodec/tiff.c
+++ b/libavcodec/tiff.c
@@ -1780,7 +1780,7 @@ 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;
}
@@ -1788,27 +1788,29 @@ 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 */
--
2.21.0.windows.1
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