3cb96b6e33
- main() and Usage() to webm2pes_main.cc
- Other helpers to common/libwebm_utils.{cc,h}
Change-Id: I59e45f0e63449066b493c4e536e0be001372504c
43 lines
1.4 KiB
C++
43 lines
1.4 KiB
C++
// Copyright (c) 2015 The WebM project authors. All Rights Reserved.
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//
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// Use of this source code is governed by a BSD-style license
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// that can be found in the LICENSE file in the root of the source
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// tree. An additional intellectual property rights grant can be found
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// in the file PATENTS. All contributing project authors may
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// be found in the AUTHORS file in the root of the source tree.
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#ifndef LIBWEBM_COMMON_LIBWEBM_UTILS_H_
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#define LIBWEBM_COMMON_LIBWEBM_UTILS_H_
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#include <cstdio>
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#include <vector>
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namespace libwebm {
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struct Range {
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Range(std::size_t off, std::size_t len) : offset(off), length(len) {}
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Range() = delete;
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Range(const Range&) = default;
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Range(Range&&) = default;
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~Range() = default;
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const std::size_t offset;
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const std::size_t length;
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};
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typedef std::vector<Range> Ranges;
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// Converts |nanoseconds| to 90000 Hz clock ticks and returns the value.
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std::int64_t NanosecondsTo90KhzTicks(std::int64_t nanoseconds);
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// Returns true and stores frame offsets and lengths in |frame_ranges| when
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// |frame| has a valid VP9 super frame index.
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bool ParseVP9SuperFrameIndex(const std::uint8_t* frame,
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std::size_t frame_length,
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Ranges* frame_ranges);
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// Writes |val| to |fileptr| and returns true upon success.
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bool WriteUint8(std::uint8_t val, std::FILE* fileptr);
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} // namespace libwebm
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#endif // LIBWEBM_COMMON_LIBWEBM_UTILS_H_
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