Removed qmin and qmax (#17)

.github/workflows/macos-install.sh

@@ -17,7 +17,7 @@ brew install \
     dav1d \
     aom \
     rav1e \
-    ninja
+    svt-av1
 if [[ "$ImageOS" == "macos13" ]]; then
     brew install --ignore-dependencies libraqm
 else

.github/workflows/test-mingw.yml

@@ -60,10 +60,10 @@ jobs:
               mingw-w64-x86_64-gcc \
               mingw-w64-x86_64-ghostscript \
               mingw-w64-x86_64-lcms2 \
+              mingw-w64-x86_64-libavif \
               mingw-w64-x86_64-libimagequant \
               mingw-w64-x86_64-libjpeg-turbo \
               mingw-w64-x86_64-libraqm \
-              mingw-w64-x86_64-libavif \
               mingw-w64-x86_64-libtiff \
               mingw-w64-x86_64-libwebp \
               mingw-w64-x86_64-openjpeg2 \

docs/handbook/image-file-formats.rst

@@ -1359,14 +1359,8 @@ as 8-bit RGB(A).
 The :py:meth:`~PIL.Image.Image.save` method supports the following options:
 
 **quality**
-    Integer, 1-100, defaults to 75. 0 gives the smallest size and poorest
+    Integer, 0-100, defaults to 75. 0 gives the smallest size and poorest
-    quality, 100 the largest and best quality. The value of this setting
+    quality, 100 the largest and best quality.
-    controls the ``qmin`` and ``qmax`` encoder options.
-
-**qmin** / **qmax**
-    Integer, 0-63. The quality of images created by an AVIF encoder are
-    controlled by minimum and maximum quantizer values. The higher these
-    values are, the worse the quality.
 
 **subsampling**
     If present, sets the subsampling for the encoder. Defaults to ``4:2:0``.
@@ -1380,6 +1374,10 @@ The :py:meth:`~PIL.Image.Image.save` method supports the following options:
 **speed**
     Quality/speed trade-off (0=slower-better, 10=fastest). Defaults to 6.
 
+**max_threads**
+    Limit the number of active threads used. By default, there is no limit. If the aom
+    codec is used, there is a maximum of 64.
+
 **range**
     YUV range, either "full" or "limited". Defaults to "full"
 
@@ -1392,8 +1390,17 @@ The :py:meth:`~PIL.Image.Image.save` method supports the following options:
     For tile encoding, the (log 2) number of tile rows and columns to use.
     Valid values are 0-6, default 0.
 
+**autotiling**
+    Split the image up to allow parallelization. Enabled automatically if "tile_rows"
+    and "tile_cols" both have their default values of zero. Requires libavif version
+    **0.11.0** or greater.
+
 **alpha_premultiplied**
-    Encode the image with premultiplied alpha. Defaults to ``False``
+    Encode the image with premultiplied alpha. Defaults to ``False``. Requires libavif
+    version **0.9.0** or greater.
+
+**advanced**
+    Codec specific options. Requires libavif version **0.8.2** or greater.
 
 **icc_profile**
     The ICC Profile to include in the saved file.

docs/installation/building-from-source.rst

@@ -170,7 +170,7 @@ Many of Pillow's features require external libraries:
     instead of installing libavif through Homebrew directly, you can use
     Homebrew to install libavif's build dependencies::
 
-        brew install aom dav1d rav1e
+        brew install aom dav1d rav1e svt-av1
 
     Then see ``depends/install_libavif.sh`` to install libavif.
 

src/PIL/AvifImagePlugin.py

@@ -156,8 +156,6 @@ def _save(
 
     is_single_frame = total == 1
 
-    qmin = info.get("qmin", -1)
-    qmax = info.get("qmax", -1)
     quality = info.get("quality", 75)
     if not isinstance(quality, int) or quality < 0 or quality > 100:
         msg = "Invalid quality setting"
@@ -218,8 +216,6 @@ def _save(
         im.size[0],
         im.size[1],
         subsampling,
-        qmin,
-        qmax,
         quality,
         speed,
         max_threads,

src/PIL/features.py

@@ -289,8 +289,8 @@ def pilinfo(out: IO[str] | None = None, supported_formats: bool = True) -> None:
         ("freetype2", "FREETYPE2"),
         ("littlecms2", "LITTLECMS2"),
         ("webp", "WEBP"),
-        ("jpg", "JPEG"),
         ("avif", "AVIF"),
+        ("jpg", "JPEG"),
         ("jpg_2000", "OPENJPEG (JPEG2000)"),
         ("zlib", "ZLIB (PNG/ZIP)"),
         ("libtiff", "LIBTIFF"),

src/_avif.c

@@ -234,8 +234,6 @@ AvifEncoderNew(PyObject *self_, PyObject *args) {
     avifEncoder *encoder;
 
     char *subsampling;
-    int qmin;
-    int qmax;
     int quality;
     int speed;
     int exif_orientation;
@@ -255,12 +253,10 @@ AvifEncoderNew(PyObject *self_, PyObject *args) {
 
     if (!PyArg_ParseTuple(
             args,
-            "IIsiiiiissiiOOSSiSO",
+            "IIsiiissiiOOSSiSO",
             &width,
             &height,
             &subsampling,
-            &qmin,
-            &qmax,
             &quality,
             &speed,
             &max_threads,
@@ -327,17 +323,12 @@ AvifEncoderNew(PyObject *self_, PyObject *args) {
                          _codec_available("aom", AVIF_CODEC_FLAG_CAN_ENCODE));
     encoder->maxThreads = is_aom_encode && max_threads > 64 ? 64 : max_threads;
 
-    if (qmin == -1 || qmax == -1) {
 #if AVIF_VERSION >= 1000000
-        encoder->quality = quality;
+    encoder->quality = quality;
 #else
-        encoder->minQuantizer = normalize_quantize_value(64 - quality);
+    encoder->minQuantizer = normalize_quantize_value(64 - quality);
-        encoder->maxQuantizer = normalize_quantize_value(100 - quality);
+    encoder->maxQuantizer = normalize_quantize_value(100 - quality);
 #endif
-    } else {
-        encoder->minQuantizer = normalize_quantize_value(qmin);
-        encoder->maxQuantizer = normalize_quantize_value(qmax);
-    }
 
     if (strcmp(codec, "auto") == 0) {
         encoder->codecChoice = AVIF_CODEC_CHOICE_AUTO;