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23ba3bcec8
MozReview-Commit-ID: KqmSM3RlD1V --HG-- rename : media/libstagefright/binding/BitReader.cpp => dom/media/BitReader.cpp rename : media/libstagefright/binding/include/mp4_demuxer/BitReader.h => dom/media/BitReader.h rename : media/libstagefright/binding/include/mp4_demuxer/BufferReader.h => dom/media/BufferReader.h rename : media/libstagefright/binding/include/mp4_demuxer/ByteWriter.h => dom/media/ByteWriter.h extra : rebase_source : 6ed0bcba4c2336bb7e532b3a5c3abce73ccdc5f5
76 lines
1.5 KiB
C++
76 lines
1.5 KiB
C++
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef BYTE_WRITER_H_
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#define BYTE_WRITER_H_
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#include "mozilla/EndianUtils.h"
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#include "nsTArray.h"
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namespace mozilla {
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class ByteWriter
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{
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public:
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explicit ByteWriter(nsTArray<uint8_t>& aData)
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: mPtr(aData)
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{
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}
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~ByteWriter()
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{
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}
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MOZ_MUST_USE bool WriteU8(uint8_t aByte)
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{
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return Write(&aByte, 1);
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}
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MOZ_MUST_USE bool WriteU16(uint16_t aShort)
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{
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uint8_t c[2];
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mozilla::BigEndian::writeUint16(&c[0], aShort);
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return Write(&c[0], 2);
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}
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MOZ_MUST_USE bool WriteU32(uint32_t aLong)
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{
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uint8_t c[4];
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mozilla::BigEndian::writeUint32(&c[0], aLong);
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return Write(&c[0], 4);
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}
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MOZ_MUST_USE bool Write32(int32_t aLong)
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{
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uint8_t c[4];
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mozilla::BigEndian::writeInt32(&c[0], aLong);
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return Write(&c[0], 4);
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}
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MOZ_MUST_USE bool WriteU64(uint64_t aLongLong)
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{
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uint8_t c[8];
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mozilla::BigEndian::writeUint64(&c[0], aLongLong);
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return Write(&c[0], 8);
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}
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MOZ_MUST_USE bool Write64(int64_t aLongLong)
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{
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uint8_t c[8];
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mozilla::BigEndian::writeInt64(&c[0], aLongLong);
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return Write(&c[0], 8);
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}
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MOZ_MUST_USE bool Write(const uint8_t* aSrc, size_t aCount)
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{
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return mPtr.AppendElements(aSrc, aCount, mozilla::fallible);
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}
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private:
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nsTArray<uint8_t>& mPtr;
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};
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} // namespace mozilla
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#endif
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