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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
tree | f435a8308119effd964b339f76abb83a57c29483 /third_party/libwebrtc/rtc_base/memory_stream.h | |
parent | Initial commit. (diff) | |
download | firefox-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/libwebrtc/rtc_base/memory_stream.h')
-rw-r--r-- | third_party/libwebrtc/rtc_base/memory_stream.h | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/third_party/libwebrtc/rtc_base/memory_stream.h b/third_party/libwebrtc/rtc_base/memory_stream.h new file mode 100644 index 0000000000..07e07f0694 --- /dev/null +++ b/third_party/libwebrtc/rtc_base/memory_stream.h @@ -0,0 +1,59 @@ +/* + * Copyright 2018 The WebRTC 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 in the root of the source + * tree. An additional intellectual property rights grant can be found + * in the file PATENTS. All contributing project authors may + * be found in the AUTHORS file in the root of the source tree. + */ + +#ifndef RTC_BASE_MEMORY_STREAM_H_ +#define RTC_BASE_MEMORY_STREAM_H_ + +#include <stddef.h> + +#include "rtc_base/stream.h" + +namespace rtc { + +// MemoryStream dynamically resizes to accomodate written data. + +class MemoryStream final : public StreamInterface { + public: + MemoryStream(); + ~MemoryStream() override; + + StreamState GetState() const override; + StreamResult Read(rtc::ArrayView<uint8_t> buffer, + size_t& bytes_read, + int& error) override; + StreamResult Write(rtc::ArrayView<const uint8_t> buffer, + size_t& bytes_written, + int& error) override; + void Close() override; + bool GetSize(size_t* size) const; + bool ReserveSize(size_t size); + + bool SetPosition(size_t position); + bool GetPosition(size_t* position) const; + void Rewind(); + + char* GetBuffer() { return buffer_; } + const char* GetBuffer() const { return buffer_; } + + void SetData(const void* data, size_t length); + + private: + StreamResult DoReserve(size_t size, int* error); + + // Invariant: 0 <= seek_position <= data_length_ <= buffer_length_ + char* buffer_ = nullptr; + size_t buffer_length_ = 0; + size_t data_length_ = 0; + size_t seek_position_ = 0; +}; + +} // namespace rtc + +#endif // RTC_BASE_MEMORY_STREAM_H_ |