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python-imagecodecs/avif.patch
Markéta Machová 3ac346bdcc Accepting request 1111056 from home:mcalabkova:branches:devel:languages:python:numeric 
- Add patches for the compatibility with libavif 1.0.0:
  * libavif.patch
  * quantize.patch
  * avif.patch
  * tests.patch
  * integrate.patch

OBS-URL: https://build.opensuse.org/request/show/1111056
OBS-URL: https://build.opensuse.org/package/show/devel:languages:python/python-imagecodecs?expand=0&rev=25
2023-09-14 09:46:45 +00:00

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From 2f548c9a4df443948f2dfcde30a7211ce8b3adc2 Mon Sep 17 00:00:00 2001
From: Christoph Gohlke <cgohlke@cgohlke.com>
Date: Sat, 2 Sep 2023 22:41:40 -0700
Subject: [PATCH] Update imagecodecs/_avif.pyx
---
imagecodecs/_avif.pyx | 60 +++++++++++++++++++++++--------------------
1 file changed, 32 insertions(+), 28 deletions(-)
Index: imagecodecs-2023.3.16/imagecodecs/_avif.pyx
===================================================================
--- imagecodecs-2023.3.16.orig/imagecodecs/_avif.pyx
+++ imagecodecs-2023.3.16/imagecodecs/_avif.pyx
@@ -56,12 +56,14 @@ class AVIF:
YUV422 = AVIF_PIXEL_FORMAT_YUV422
YUV420 = AVIF_PIXEL_FORMAT_YUV420
YUV400 = AVIF_PIXEL_FORMAT_YUV400
+ COUNT = AVIF_PIXEL_FORMAT_COUNT
- class QUANTIZER(enum.IntEnum):
- """AVIF codec quantizers."""
- LOSSLESS = AVIF_QUANTIZER_LOSSLESS
- BEST_QUALITY = AVIF_QUANTIZER_BEST_QUALITY
- WORST_QUALITY = AVIF_QUANTIZER_WORST_QUALITY
+ class QUALITY(enum.IntEnum):
+ """AVIF codec quality."""
+ DEFAULT = AVIF_QUALITY_DEFAULT # -1
+ LOSSLESS = AVIF_QUALITY_LOSSLESS # 100
+ WORST = AVIF_QUALITY_WORST # 0
+ BEST = AVIF_QUALITY_BEST # 100
class SPEED(enum.IntEnum):
"""AVIF codec speeds."""
@@ -85,6 +87,7 @@ class AVIF:
LIBGAV1 = AVIF_CODEC_CHOICE_LIBGAV1
RAV1E = AVIF_CODEC_CHOICE_RAV1E
SVT = AVIF_CODEC_CHOICE_SVT
+ AVM = AVIF_CODEC_CHOICE_AVM
class AvifError(RuntimeError):
@@ -143,8 +146,8 @@ def avif_encode(
const uint8_t[::1] dst # must be const to write to bytes
ssize_t dstsize, size
ssize_t itemsize = data.dtype.itemsize
+ int quality = AVIF_QUALITY_LOSSLESS
int speed_ = AVIF_SPEED_DEFAULT
- int quantizer = AVIF_QUANTIZER_LOSSLESS
int tilerowslog2 = 0
int tilecolslog2 = 0
int duration = 1
@@ -172,10 +175,10 @@ def avif_encode(
src.dtype in (numpy.uint8, numpy.uint16)
# and numpy.PyArray_ISCONTIGUOUS(src)
and src.ndim in (2, 3, 4)
- and src.shape[0] < 2 ** 31
- and src.shape[1] < 2 ** 31
- and src.shape[src.ndim - 1] < 2 ** 31
- and src.shape[src.ndim - 2] < 2 ** 31
+ and src.shape[0] <= 2147483647
+ and src.shape[1] <= 2147483647
+ and src.shape[src.ndim - 1] <= 2147483647
+ and src.shape[src.ndim - 2] <= 2147483647
):
raise ValueError('invalid data shape, strides, or dtype')
@@ -205,10 +208,6 @@ def avif_encode(
monochrome = samples < 3
hasalpha = samples in (2, 4)
- if monochrome:
- raise NotImplementedError('cannot encode monochome images')
- # TODO: check status of libavif/aom monochome support
-
if bitspersample is None:
depth = <uint32_t> itemsize * 8
else:
@@ -223,11 +222,11 @@ def avif_encode(
if 0 <= tilecolslog2 <= 6:
raise ValueError('invalid tileColsLog2')
- quantizer = _default_value(
+ quality = _default_value(
level,
- AVIF_QUANTIZER_LOSSLESS,
- AVIF_QUANTIZER_BEST_QUALITY,
- AVIF_QUANTIZER_WORST_QUALITY
+ AVIF_QUALITY_LOSSLESS, # 100
+ AVIF_QUALITY_DEFAULT, # -1
+ AVIF_QUALITY_BEST # 100
)
speed_ = _default_value(
@@ -239,8 +238,8 @@ def avif_encode(
if monochrome:
yuvformat = AVIF_PIXEL_FORMAT_YUV400
- quantizer = AVIF_QUANTIZER_LOSSLESS
- elif quantizer == AVIF_QUANTIZER_LOSSLESS:
+ quality = AVIF_QUALITY_LOSSLESS
+ elif quality == AVIF_QUALITY_LOSSLESS:
yuvformat = AVIF_PIXEL_FORMAT_YUV444
elif pixelformat is not None:
yuvformat = _avif_pixelformat(pixelformat)
@@ -254,11 +253,9 @@ def avif_encode(
if encoder == NULL:
raise AvifError('avifEncoderCreate', 'NULL')
+ encoder.quality = quality
+ encoder.qualityAlpha = AVIF_QUALITY_LOSSLESS
encoder.maxThreads = maxthreads
- encoder.minQuantizer = quantizer
- encoder.maxQuantizer = quantizer
- encoder.minQuantizerAlpha = AVIF_QUANTIZER_LOSSLESS
- encoder.maxQuantizerAlpha = AVIF_QUANTIZER_LOSSLESS
encoder.tileRowsLog2 = tilerowslog2
encoder.tileColsLog2 = tilecolslog2
encoder.speed = speed_
@@ -269,7 +266,7 @@ def avif_encode(
if image == NULL:
raise AvifError('avifImageCreate', 'NULL')
- if monochrome or quantizer == AVIF_QUANTIZER_LOSSLESS:
+ if monochrome or quality == AVIF_QUALITY_LOSSLESS:
if codecchoice == AVIF_CODEC_CHOICE_AUTO:
encoder.codecChoice = AVIF_CODEC_CHOICE_AOM
else:
@@ -287,7 +284,9 @@ def avif_encode(
avifRGBImageSetDefaults(&rgb, image)
if monochrome:
- avifRGBImageAllocatePixels(&rgb)
+ res = avifRGBImageAllocatePixels(&rgb)
+ if res != AVIF_RESULT_OK:
+ raise AvifError('avifRGBImageAllocatePixels', res)
if rgb.format != AVIF_RGB_FORMAT_RGBA:
raise RuntimeError('rgb.format != AVIF_RGB_FORMAT_RGBA')
srcptr = <uint8_t *> src.data
@@ -419,7 +418,7 @@ def avif_encode(
return _return_output(out, dstsize, rawsize, outgiven)
-def avif_decode(data, index=None, out=None):
+def avif_decode(data, index=None, numthreads=None, out=None):
"""Return decoded AVIF image."""
cdef:
numpy.ndarray dst
@@ -429,6 +428,7 @@ def avif_decode(data, index=None, out=No
ssize_t samples, size, itemsize, i, j, k, dstindex, imagecount
bint monochrome = 0 # must be initialized
bint hasalpha = 0
+ int maxthreads = <int> _default_threads(numthreads)
uint8_t* dstptr = NULL
uint8_t* srcptr = NULL
avifDecoder* decoder = NULL
@@ -448,6 +448,8 @@ def avif_decode(data, index=None, out=No
# required to read AVIF files created by ImageMagick
decoder.strictFlags = AVIF_STRICT_DISABLED
+ decoder.maxThreads = maxthreads
+
res = avifDecoderSetSource(decoder, AVIF_DECODER_SOURCE_AUTO)
if res != AVIF_RESULT_OK:
raise AvifError('avifDecoderSetSource', res)
@@ -632,10 +634,12 @@ cdef _avif_codecchoice(codec):
AVIF_CODEC_CHOICE_LIBGAV1: AVIF_CODEC_CHOICE_LIBGAV1,
AVIF_CODEC_CHOICE_RAV1E: AVIF_CODEC_CHOICE_RAV1E,
AVIF_CODEC_CHOICE_SVT: AVIF_CODEC_CHOICE_SVT,
+ AVIF_CODEC_CHOICE_AVM: AVIF_CODEC_CHOICE_AVM,
'auto': AVIF_CODEC_CHOICE_AUTO,
'aom': AVIF_CODEC_CHOICE_AOM,
'dav1d': AVIF_CODEC_CHOICE_DAV1D,
'libgav1': AVIF_CODEC_CHOICE_LIBGAV1,
'rav1e': AVIF_CODEC_CHOICE_RAV1E,
'svt': AVIF_CODEC_CHOICE_SVT,
+ 'avm': AVIF_CODEC_CHOICE_AVM,
}[codec]
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