summaryrefslogtreecommitdiffstats
path: root/third_party/jpeg-xl/lib/extras/enc/jpegli.h
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
commit26a029d407be480d791972afb5975cf62c9360a6 (patch)
treef435a8308119effd964b339f76abb83a57c29483 /third_party/jpeg-xl/lib/extras/enc/jpegli.h
parentInitial commit. (diff)
downloadfirefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz
firefox-26a029d407be480d791972afb5975cf62c9360a6.zip
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'third_party/jpeg-xl/lib/extras/enc/jpegli.h')
-rw-r--r--third_party/jpeg-xl/lib/extras/enc/jpegli.h53
1 files changed, 53 insertions, 0 deletions
diff --git a/third_party/jpeg-xl/lib/extras/enc/jpegli.h b/third_party/jpeg-xl/lib/extras/enc/jpegli.h
new file mode 100644
index 0000000000..9538b2e3fc
--- /dev/null
+++ b/third_party/jpeg-xl/lib/extras/enc/jpegli.h
@@ -0,0 +1,53 @@
+// 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.
+
+#ifndef LIB_EXTRAS_ENC_JPEGLI_H_
+#define LIB_EXTRAS_ENC_JPEGLI_H_
+
+// Encodes JPG pixels and metadata in memory using the libjpegli library.
+
+#include <stdint.h>
+
+#include <string>
+#include <vector>
+
+#include "lib/extras/packed_image.h"
+#include "lib/jxl/base/data_parallel.h"
+#include "lib/jxl/base/status.h"
+
+namespace jxl {
+namespace extras {
+
+struct JpegSettings {
+ bool xyb = false;
+ size_t target_size = 0;
+ float quality = 0.0f;
+ float distance = 1.f;
+ bool use_adaptive_quantization = true;
+ bool use_std_quant_tables = false;
+ int progressive_level = 2;
+ bool optimize_coding = true;
+ std::string chroma_subsampling;
+ int libjpeg_quality = 0;
+ std::string libjpeg_chroma_subsampling;
+ // Parameters for selecting distance based on PSNR target.
+ float psnr_target = 0.0f;
+ float search_tolerance = 0.01;
+ float min_distance = 0.1f;
+ float max_distance = 25.0f;
+ // If not empty, must contain concatenated APP marker segments. In this case,
+ // these and only these APP marker segments will be written to the JPEG
+ // output. In xyb mode app_data must not contain an ICC profile, in this
+ // case an additional APP2 ICC profile for the XYB colorspace will be emitted.
+ std::vector<uint8_t> app_data;
+};
+
+Status EncodeJpeg(const PackedPixelFile& ppf, const JpegSettings& jpeg_settings,
+ ThreadPool* pool, std::vector<uint8_t>* compressed);
+
+} // namespace extras
+} // namespace jxl
+
+#endif // LIB_EXTRAS_ENC_JPEGLI_H_