diff options
| author | Paul B Mahol <onemda@gmail.com> | 2022-03-03 21:21:05 +0100 |
|---|---|---|
| committer | Paul B Mahol <onemda@gmail.com> | 2022-03-03 21:22:48 +0100 |
| commit | 4a5ee8c39947fe6ce48383aac0e7053aade71e67 (patch) | |
| tree | f9852a2708db6eaf5b1c96aada94f5e1c5c8dec1 | |
| parent | ee88804d07c145bc7bca40c94bf6fd4cf71c06e4 (diff) | |
| download | ffmpeg-4a5ee8c39947fe6ce48383aac0e7053aade71e67.tar.gz | |
avcodec/tiff: do not abort on zero denominator
Fixes decoding valid DNG file.
| -rw-r--r-- | libavcodec/tiff.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/libavcodec/tiff.c b/libavcodec/tiff.c index 923f85d07f..e46a80e3ed 100644 --- a/libavcodec/tiff.c +++ b/libavcodec/tiff.c @@ -1241,8 +1241,8 @@ static int tiff_decode_tag(TiffContext *s, AVFrame *frame) value = ff_tget(&s->gb, TIFF_LONG, s->le); value2 = ff_tget(&s->gb, TIFF_LONG, s->le); if (!value2) { - av_log(s->avctx, AV_LOG_ERROR, "Invalid denominator in rational\n"); - return AVERROR_INVALIDDATA; + av_log(s->avctx, AV_LOG_WARNING, "Invalid denominator in rational\n"); + value2 = 1; } break; @@ -1421,8 +1421,8 @@ static int tiff_decode_tag(TiffContext *s, AVFrame *frame) value = ff_tget(&s->gb, TIFF_LONG, s->le); value2 = ff_tget(&s->gb, TIFF_LONG, s->le); if (!value2) { - av_log(s->avctx, AV_LOG_ERROR, "Invalid black level denominator\n"); - return AVERROR_INVALIDDATA; + av_log(s->avctx, AV_LOG_WARNING, "Invalid black level denominator\n"); + value2 = 1; } s->black_level = value / value2; |