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Code Issues Releases Activity

avcodec/decode: treat orientation 1 as valid displaymatrix

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Since 9dc79241d9 we now always pop the
orientation off of the IFD and use a display matrix instead. This means
we should not produce a warning and refuse if the orientation field
indicates a default orientation (i.e. 1).

Signed-off-by: Leo Izen <leo.izen@gmail.com>
Reported-by: Ramiro Polla <ramiro.polla@gmail.com>
This commit is contained in:
Leo Izen
2025-09-05 11:44:41 -04:00
parent 742474bc24
commit 74e61981b5
4 changed files with 31 additions and 7 deletions
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2
libavcodec/decode.c
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@@ -2337,7 +2337,7 @@ static int attach_displaymatrix(AVCodecContext *avctx, AVFrame *frame, int orien
int32_t *matrix;
int ret;
/* invalid orientation */
if (orientation < 2 || orientation > 8)
if (orientation < 1 || orientation > 8)
return AVERROR_INVALIDDATA;
ret = ff_frame_new_side_data(avctx, frame, AV_FRAME_DATA_DISPLAYMATRIX, sizeof(int32_t) * 9, &sd);
if (ret < 0) {

12
tests/ref/fate/exif-image-jpg
View File

@@ -34,7 +34,6 @@ alpha_mode=unspecified
TAG:ImageDescription=
TAG:Make=Canon
TAG:Model=Canon PowerShot SX200 IS
TAG:Orientation= 1
TAG:XResolution= 180:1
TAG:YResolution= 180:1
TAG:ResolutionUnit= 2
@@ -199,7 +198,16 @@ TAG:ExifIFD/WhiteBalance= 0
TAG:ExifIFD/DigitalZoomRatio= 4000:4000
TAG:ExifIFD/SceneCaptureType= 0
[SIDE_DATA]
side_data_type=3x3 displaymatrix
displaymatrix=
00000000: 65536 0 0
00000001: 0 65536 0
00000002: 0 0 1073741824
rotation=0
[/SIDE_DATA]
[SIDE_DATA]
side_data_type=EXIF metadata
size=3297
size=3285
[/SIDE_DATA]
[/FRAME]

12
tests/ref/fate/exif-image-tiff
View File

@@ -43,7 +43,6 @@ TAG:0x010A= 1
TAG:0x010D=image_small.tiff
TAG:StripOffsets= 8, 7808, 15608, 23408, 31208, 39008, 46808, 54608
62408
TAG:Orientation= 1
TAG:SamplesPerPixel= 3
TAG:RowsPerStrip= 13
TAG:StripByteCounts= 7800, 7800, 7800, 7800, 7800, 7800, 7800, 7800
@@ -54,7 +53,16 @@ TAG:PlanarConfiguration= 1
TAG:ResolutionUnit= 3
TAG:Software=ImageMagick 6.5.8-0 2010-02-09 Q16 http://www.imagemagick.org
[SIDE_DATA]
side_data_type=3x3 displaymatrix
displaymatrix=
00000000: 65536 0 0
00000001: 0 65536 0
00000002: 0 0 1073741824
rotation=0
[/SIDE_DATA]
[SIDE_DATA]
side_data_type=EXIF metadata
size=403
size=391
[/SIDE_DATA]
[/FRAME]

12
tests/ref/fate/exif-image-webp
View File

@@ -34,7 +34,6 @@ alpha_mode=unspecified
TAG:ImageDescription=
TAG:Make=Canon
TAG:Model=Canon PowerShot SX200 IS
TAG:Orientation= 1
TAG:XResolution= 180:1
TAG:YResolution= 180:1
TAG:ResolutionUnit= 2
@@ -199,7 +198,16 @@ TAG:ExifIFD/WhiteBalance= 0
TAG:ExifIFD/DigitalZoomRatio= 4000:4000
TAG:ExifIFD/SceneCaptureType= 0
[SIDE_DATA]
side_data_type=3x3 displaymatrix
displaymatrix=
00000000: 65536 0 0
00000001: 0 65536 0
00000002: 0 0 1073741824
rotation=0
[/SIDE_DATA]
[SIDE_DATA]
side_data_type=EXIF metadata
size=9718
size=3285
[/SIDE_DATA]
[/FRAME]