Remove support for libavif < 1.0.0

docs/handbook/image-file-formats.rst

@@ -63,20 +63,17 @@ The :py:meth:`~PIL.Image.Image.save` method supports the following options:
 
 **tile_rows** / **tile_cols**
     For tile encoding, the (log 2) number of tile rows and columns to use.
-    Valid values are 0-6, default 0. Ignored if "autotiling" is set to true in libavif
+    Valid values are 0-6, default 0. Ignored if "autotiling" is set to true.
-    version **0.11.0** or greater.
 
 **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
+    and "tile_cols" both have their default values of zero.
-    **0.11.0** or greater.
 
 **alpha_premultiplied**
-    Encode the image with premultiplied alpha. Defaults to ``False``. Requires libavif
+    Encode the image with premultiplied alpha. Defaults to ``False``.
-    version **0.9.0** or greater.
 
 **advanced**
-    Codec specific options. Requires libavif version **0.8.2** or greater.
+    Codec specific options.
 
 **icc_profile**
     The ICC Profile to include in the saved file.

docs/installation/building-from-source.rst

@@ -91,8 +91,7 @@ Many of Pillow's features require external libraries:
 
 * **libavif** provides support for the AVIF format.
 
-  * Pillow requires libavif version **0.8.0** or greater, which is when
+  * Pillow requires libavif version **1.0.0** or greater.
-    AVIF image sequence support was added.
   * libavif is merely an API that wraps AVIF codecs. If you are compiling
     libavif from source, you will also need to install both an AVIF encoder
     and decoder, such as rav1e and dav1d, or libaom, which both encodes and

src/_avif.c

@@ -20,19 +20,6 @@ typedef struct {
 
 static PyTypeObject AvifDecoder_Type;
 
-#if AVIF_VERSION < 1000000  // 1.0.0
-static int
-normalize_quantize_value(int qvalue) {
-    if (qvalue < AVIF_QUANTIZER_BEST_QUALITY) {
-        return AVIF_QUANTIZER_BEST_QUALITY;
-    } else if (qvalue > AVIF_QUANTIZER_WORST_QUALITY) {
-        return AVIF_QUANTIZER_WORST_QUALITY;
-    } else {
-        return qvalue;
-    }
-}
-#endif
-
 static int
 normalize_tiles_log2(int value) {
     if (value < 0) {
@@ -62,12 +49,7 @@ exc_type_for_avif_result(avifResult result) {
 
 static uint8_t
 irot_imir_to_exif_orientation(const avifImage *image) {
-    uint8_t axis;
+    uint8_t axis = image->imir.axis;
-#if AVIF_VERSION_MAJOR >= 1
-    axis = image->imir.axis;
-#else
-    axis = image->imir.mode;
-#endif
     int imir = image->transformFlags & AVIF_TRANSFORM_IMIR;
     int irot = image->transformFlags & AVIF_TRANSFORM_IROT;
     if (irot) {
@@ -112,11 +94,7 @@ exif_orientation_to_irot_imir(avifImage *image, int orientation) {
         case 2:  // The 0th row is at the visual top of the image, and the 0th column is
                  // the visual right-hand side.
             image->transformFlags |= AVIF_TRANSFORM_IMIR;
-#if AVIF_VERSION_MAJOR >= 1
             image->imir.axis = 1;
-#else
-            image->imir.mode = 1;
-#endif
             break;
         case 3:  // The 0th row is at the visual bottom of the image, and the 0th column
                  // is the visual right-hand side.
@@ -182,7 +160,6 @@ _encoder_codec_available(PyObject *self, PyObject *args) {
     return PyBool_FromLong(is_available);
 }
 
-#if AVIF_VERSION >= 80200  // 0.8.2
 static int
 _add_codec_specific_options(avifEncoder *encoder, PyObject *opts) {
     Py_ssize_t i, size;
@@ -224,7 +201,6 @@ _add_codec_specific_options(avifEncoder *encoder, PyObject *opts) {
     }
     return 0;
 }
-#endif
 
 // Encoder functions
 PyObject *
@@ -318,9 +294,7 @@ AvifEncoderNew(PyObject *self_, PyObject *args) {
     image->height = height;
 
     image->depth = 8;
-#if AVIF_VERSION >= 90000  // 0.9.0
     image->alphaPremultiplied = alpha_premultiplied ? AVIF_TRUE : AVIF_FALSE;
-#endif
 
     encoder = avifEncoderCreate();
     if (!encoder) {
@@ -334,12 +308,7 @@ 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 AVIF_VERSION >= 1000000  // 1.0.0
     encoder->quality = quality;
-#else
-    encoder->minQuantizer = normalize_quantize_value(64 - quality);
-    encoder->maxQuantizer = normalize_quantize_value(100 - quality);
-#endif
 
     if (strcmp(codec, "auto") == 0) {
         encoder->codecChoice = AVIF_CODEC_CHOICE_AUTO;
@@ -354,31 +323,16 @@ AvifEncoderNew(PyObject *self_, PyObject *args) {
     encoder->speed = speed;
     encoder->timescale = (uint64_t)1000;
 
-#if AVIF_VERSION >= 110000  // 0.11.0
     encoder->autoTiling = autotiling ? AVIF_TRUE : AVIF_FALSE;
     if (!autotiling) {
         encoder->tileRowsLog2 = normalize_tiles_log2(tile_rows_log2);
         encoder->tileColsLog2 = normalize_tiles_log2(tile_cols_log2);
     }
-#else
-    encoder->tileRowsLog2 = normalize_tiles_log2(tile_rows_log2);
-    encoder->tileColsLog2 = normalize_tiles_log2(tile_cols_log2);
-#endif
 
-    if (advanced != Py_None) {
+    if (advanced != Py_None && _add_codec_specific_options(encoder, advanced)) {
-#if AVIF_VERSION >= 80200  // 0.8.2
-        if (_add_codec_specific_options(encoder, advanced)) {
         error = 1;
         goto end;
     }
-#else
-        PyErr_SetString(
-            PyExc_ValueError, "Advanced codec options require libavif >= 0.8.2"
-        );
-        error = 1;
-        goto end;
-#endif
-    }
 
     self = PyObject_New(AvifEncoderObject, &AvifEncoder_Type);
     if (!self) {
@@ -537,9 +491,7 @@ _encoder_add(AvifEncoderObject *self, PyObject *args) {
         frame->yuvRange = image->yuvRange;
         frame->yuvFormat = image->yuvFormat;
         frame->depth = image->depth;
-#if AVIF_VERSION >= 90000  // 0.9.0
         frame->alphaPremultiplied = image->alphaPremultiplied;
-#endif
     }
 
     avifRGBImageSetDefaults(&rgb, frame);
@@ -689,17 +641,13 @@ AvifDecoderNew(PyObject *self_, PyObject *args) {
         PyObject_Del(self);
         return NULL;
     }
-#if AVIF_VERSION >= 80400  // 0.8.4
     decoder->maxThreads = max_threads;
-#endif
-#if AVIF_VERSION >= 90200  // 0.9.2
     // Turn off libavif's 'clap' (clean aperture) property validation.
     decoder->strictFlags &= ~AVIF_STRICT_CLAP_VALID;
     // Allow the PixelInformationProperty ('pixi') to be missing in AV1 image
     // items. libheif v1.11.0 and older does not add the 'pixi' item property to
     // AV1 image items.
     decoder->strictFlags &= ~AVIF_STRICT_PIXI_REQUIRED;
-#endif
     decoder->codecChoice = codec;
 
     result = avifDecoderSetIOMemory(decoder, buffer.buf, buffer.len);