diff mupdf-source/thirdparty/brotli/c/enc/block_encoder_inc.h @ 2:b50eed0cc0ef upstream

ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4. The directory name has changed: no version number in the expanded directory now.
author Franz Glasner <fzglas.hg@dom66.de>
date Mon, 15 Sep 2025 11:43:07 +0200
parents
children
line wrap: on
line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mupdf-source/thirdparty/brotli/c/enc/block_encoder_inc.h	Mon Sep 15 11:43:07 2025 +0200
@@ -0,0 +1,34 @@
+/* NOLINT(build/header_guard) */
+/* Copyright 2014 Google Inc. All Rights Reserved.
+
+   Distributed under MIT license.
+   See file LICENSE for detail or copy at https://opensource.org/licenses/MIT
+*/
+
+/* template parameters: FN */
+
+#define HistogramType FN(Histogram)
+
+/* Creates entropy codes for all block types and stores them to the bit
+   stream. */
+static void FN(BuildAndStoreEntropyCodes)(MemoryManager* m, BlockEncoder* self,
+    const HistogramType* histograms, const size_t histograms_size,
+    const size_t alphabet_size, HuffmanTree* tree,
+    size_t* storage_ix, uint8_t* storage) {
+  const size_t table_size = histograms_size * self->histogram_length_;
+  self->depths_ = BROTLI_ALLOC(m, uint8_t, table_size);
+  self->bits_ = BROTLI_ALLOC(m, uint16_t, table_size);
+  if (BROTLI_IS_OOM(m)) return;
+
+  {
+    size_t i;
+    for (i = 0; i < histograms_size; ++i) {
+      size_t ix = i * self->histogram_length_;
+      BuildAndStoreHuffmanTree(&histograms[i].data_[0], self->histogram_length_,
+          alphabet_size, tree, &self->depths_[ix], &self->bits_[ix],
+          storage_ix, storage);
+    }
+  }
+}
+
+#undef HistogramType