1 files changed, 59 insertions, 0 deletions
diff --git a/third_party/jpeg-xl/lib/jpegli/common.cc b/third_party/jpeg-xl/lib/jpegli/common.cc
new file mode 100644
index 0000000000..5f34372f3e
--- /dev/null
+++ b/third_party/jpeg-xl/lib/jpegli/common.cc
@@ -0,0 +1,59 @@
+// Copyright (c) the JPEG XL Project Authors. All rights reserved.
+//
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+#include "lib/jpegli/common.h"
+
+#include "lib/jpegli/decode_internal.h"
+#include "lib/jpegli/encode_internal.h"
+#include "lib/jpegli/memory_manager.h"
+
+void jpegli_abort(j_common_ptr cinfo) {
+  if (cinfo->mem == nullptr) return;
+  for (int pool_id = 0; pool_id < JPOOL_NUMPOOLS; ++pool_id) {
+    if (pool_id == JPOOL_PERMANENT) continue;
+    (*cinfo->mem->free_pool)(cinfo, pool_id);
+  }
+  if (cinfo->is_decompressor) {
+    cinfo->global_state = jpegli::kDecStart;
+  } else {
+    cinfo->global_state = jpegli::kEncStart;
+  }
+}
+
+void jpegli_destroy(j_common_ptr cinfo) {
+  if (cinfo->mem == nullptr) return;
+  (*cinfo->mem->self_destruct)(cinfo);
+  if (cinfo->is_decompressor) {
+    cinfo->global_state = jpegli::kDecNull;
+    delete reinterpret_cast<j_decompress_ptr>(cinfo)->master;
+  } else {
+    cinfo->global_state = jpegli::kEncNull;
+  }
+}
+
+JQUANT_TBL* jpegli_alloc_quant_table(j_common_ptr cinfo) {
+  JQUANT_TBL* table = jpegli::Allocate<JQUANT_TBL>(cinfo, 1);
+  table->sent_table = FALSE;
+  return table;
+}
+
+JHUFF_TBL* jpegli_alloc_huff_table(j_common_ptr cinfo) {
+  JHUFF_TBL* table = jpegli::Allocate<JHUFF_TBL>(cinfo, 1);
+  table->sent_table = FALSE;
+  return table;
+}
+
+int jpegli_bytes_per_sample(JpegliDataType data_type) {
+  switch (data_type) {
+    case JPEGLI_TYPE_UINT8:
+      return 1;
+    case JPEGLI_TYPE_UINT16:
+      return 2;
+    case JPEGLI_TYPE_FLOAT:
+      return 4;
+    default:
+      return 0;
+  }
+}