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Diffstat (limited to '')
| -rw-r--r-- | third_party/jpeg-xl/lib/jpegli/decode_marker.h | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/third_party/jpeg-xl/lib/jpegli/decode_marker.h b/third_party/jpeg-xl/lib/jpegli/decode_marker.h new file mode 100644 index 0000000000..d52c335341 --- /dev/null +++ b/third_party/jpeg-xl/lib/jpegli/decode_marker.h @@ -0,0 +1,34 @@ +// 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_DECODE_MARKER_H_ +#define LIB_JPEGLI_DECODE_MARKER_H_ + +/* clang-format off */ +#include <stdint.h> +#include <stdio.h> +#include <jpeglib.h> +/* clang-format on */ + +namespace jpegli { + +// Reads the available input in the source manager's input buffer until either +// the end of the next SOS marker or the end of the input. +// The corresponding fields of cinfo are updated with the processed input data. +// Upon return, the input buffer will be at the start or at the end of a marker +// data segment (inter-marker data is allowed). +// Return value is one of: +// * JPEG_SUSPENDED, if the current input buffer ends before the next SOS or +// EOI marker. Input buffer refill is handled by the caller; +// * JPEG_REACHED_SOS, if the the next SOS marker is found; +// * JPEG_REACHED_EOR, if the end of the input is found. +int ProcessMarkers(j_decompress_ptr cinfo, const uint8_t* const data, + const size_t len, size_t* pos); + +jpeg_marker_parser_method GetMarkerProcessor(j_decompress_ptr cinfo); + +} // namespace jpegli + +#endif // LIB_JPEGLI_DECODE_MARKER_H_ |