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e6b3f48a06
This is a reland of commit fa962ffc69
Original change's description:
> Move leb128 helper functions into own build target
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> to remove duplicated implementation of these functions between av1 packetizer, av1 depacketizer and video allocation rtp header extension
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> Bug: None
> Change-Id: I30049f31c289bdb9e0aad6520f5145d1f999e635
> Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/290731
> Commit-Queue: Danil Chapovalov <danilchap@webrtc.org>
> Reviewed-by: Philip Eliasson <philipel@webrtc.org>
> Cr-Commit-Position: refs/heads/main@{#39069}
Bug: None
Change-Id: I091276868599a6716407db2972457507ddd46a8c
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/290961
Commit-Queue: Danil Chapovalov <danilchap@webrtc.org>
Reviewed-by: Philip Eliasson <philipel@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#39135}
31 lines
1 KiB
C++
31 lines
1 KiB
C++
/*
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* Copyright (c) 2023 The WebRTC 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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*/
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#ifndef MODULES_RTP_RTCP_SOURCE_LEB128_H_
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#define MODULES_RTP_RTCP_SOURCE_LEB128_H_
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#include <cstdint>
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namespace webrtc {
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// Returns number of bytes needed to store `value` in leb128 format.
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int Leb128Size(uint64_t value);
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// Reads leb128 encoded value and advance read_at by number of bytes consumed.
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// Sets read_at to nullptr on error.
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uint64_t ReadLeb128(const uint8_t*& read_at, const uint8_t* end);
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// Encodes `value` in leb128 format. Assumes buffer has size of at least
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// Leb128Size(value). Returns number of bytes consumed.
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int WriteLeb128(uint64_t value, uint8_t* buffer);
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} // namespace webrtc
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#endif // MODULES_RTP_RTCP_SOURCE_LEB128_H_
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