diff options
Diffstat (limited to 'third_party/jpeg-xl/lib/jpegli/bitstream.h')
-rw-r--r-- | third_party/jpeg-xl/lib/jpegli/bitstream.h | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/third_party/jpeg-xl/lib/jpegli/bitstream.h b/third_party/jpeg-xl/lib/jpegli/bitstream.h new file mode 100644 index 0000000000..aa54c73d7e --- /dev/null +++ b/third_party/jpeg-xl/lib/jpegli/bitstream.h @@ -0,0 +1,44 @@ +// 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_JPEGLI_BITSTREAM_H_ +#define LIB_JPEGLI_BITSTREAM_H_ + +#include <initializer_list> +#include <vector> + +#include "lib/jpegli/encode_internal.h" + +namespace jpegli { + +void WriteOutput(j_compress_ptr cinfo, const uint8_t* buf, size_t bufsize); +void WriteOutput(j_compress_ptr cinfo, const std::vector<uint8_t>& bytes); +void WriteOutput(j_compress_ptr cinfo, std::initializer_list<uint8_t> bytes); + +void EncodeAPP0(j_compress_ptr cinfo); +void EncodeAPP14(j_compress_ptr cinfo); +void WriteFileHeader(j_compress_ptr cinfo); + +// Returns true of only baseline 8-bit tables are used. +bool EncodeDQT(j_compress_ptr cinfo, bool write_all_tables); +void EncodeSOF(j_compress_ptr cinfo, bool is_baseline); +void WriteFrameHeader(j_compress_ptr cinfo); + +void EncodeDRI(j_compress_ptr cinfo); +void EncodeDHT(j_compress_ptr cinfo, size_t offset, size_t num); +void EncodeSOS(j_compress_ptr cinfo, int scan_index); +void WriteScanHeader(j_compress_ptr cinfo, int scan_index); + +void WriteBlock(const int32_t* JXL_RESTRICT symbols, + const int32_t* JXL_RESTRICT extra_bits, const int num_nonzeros, + const bool emit_eob, + const HuffmanCodeTable* JXL_RESTRICT dc_code, + const HuffmanCodeTable* JXL_RESTRICT ac_code, + JpegBitWriter* JXL_RESTRICT bw); +void WriteScanData(j_compress_ptr cinfo, int scan_index); + +} // namespace jpegli + +#endif // LIB_JPEGLI_BITSTREAM_H_ |