From 6bf0a5cb5034a7e684dcc3500e841785237ce2dd Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 19:32:43 +0200 Subject: Adding upstream version 1:115.7.0. Signed-off-by: Daniel Baumann --- dom/media/gtest/TestBitWriter.cpp | 97 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 97 insertions(+) create mode 100644 dom/media/gtest/TestBitWriter.cpp (limited to 'dom/media/gtest/TestBitWriter.cpp') diff --git a/dom/media/gtest/TestBitWriter.cpp b/dom/media/gtest/TestBitWriter.cpp new file mode 100644 index 0000000000..8c6b4f7ebf --- /dev/null +++ b/dom/media/gtest/TestBitWriter.cpp @@ -0,0 +1,97 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#include "gtest/gtest.h" +#include "BitReader.h" +#include "BitWriter.h" +#include "H264.h" + +using namespace mozilla; + +TEST(BitWriter, BitWriter) +{ + RefPtr test = new MediaByteBuffer(); + BitWriter b(test); + b.WriteBit(false); + b.WriteBits(~1ULL, 1); // ensure that extra bits don't modify byte buffer. + b.WriteBits(3, 1); + b.WriteUE(1280 / 16 - 1); + b.WriteUE(720 / 16 - 1); + b.WriteUE(1280); + b.WriteUE(720); + b.WriteBit(true); + b.WriteBit(false); + b.WriteBit(true); + b.WriteU8(7); + b.WriteU32(16356); + b.WriteU64(116356); + b.WriteBits(~(0ULL) & ~1ULL, 16); + b.WriteULEB128(16ULL); + b.WriteULEB128(31895793ULL); + b.WriteULEB128(426894039235654ULL); + const uint32_t length = b.BitCount(); + b.CloseWithRbspTrailing(); + + BitReader c(test); + + EXPECT_EQ(c.ReadBit(), false); + EXPECT_EQ(c.ReadBit(), false); + EXPECT_EQ(c.ReadBit(), true); + EXPECT_EQ(c.ReadUE(), 1280u / 16 - 1); + EXPECT_EQ(c.ReadUE(), 720u / 16 - 1); + EXPECT_EQ(c.ReadUE(), 1280u); + EXPECT_EQ(c.ReadUE(), 720u); + EXPECT_EQ(c.ReadBit(), true); + EXPECT_EQ(c.ReadBit(), false); + EXPECT_EQ(c.ReadBit(), true); + EXPECT_EQ(c.ReadBits(8), 7u); + EXPECT_EQ(c.ReadU32(), 16356u); + EXPECT_EQ(c.ReadU64(), 116356u); + EXPECT_EQ(c.ReadBits(16), 0xfffeu); + EXPECT_EQ(c.ReadULEB128(), 16ull); + EXPECT_EQ(c.ReadULEB128(), 31895793ull); + EXPECT_EQ(c.ReadULEB128(), 426894039235654ull); + EXPECT_EQ(length, BitReader::GetBitLength(test)); +} + +TEST(BitWriter, SPS) +{ + uint8_t sps_pps[] = {0x01, 0x4d, 0x40, 0x0c, 0xff, 0xe1, 0x00, 0x1b, 0x67, + 0x4d, 0x40, 0x0c, 0xe8, 0x80, 0x80, 0x9d, 0x80, 0xb5, + 0x01, 0x01, 0x01, 0x40, 0x00, 0x00, 0x03, 0x00, 0x40, + 0x00, 0x00, 0x0f, 0x03, 0xc5, 0x0a, 0x44, 0x80, 0x01, + 0x00, 0x04, 0x68, 0xeb, 0xef, 0x20}; + + RefPtr extraData = new MediaByteBuffer(); + extraData->AppendElements(sps_pps, sizeof(sps_pps)); + SPSData spsdata1; + bool success = H264::DecodeSPSFromExtraData(extraData, spsdata1); + EXPECT_EQ(success, true); + + auto testOutput = [&](uint8_t aProfile, uint8_t aConstraints, uint8_t aLevel, + gfx::IntSize aSize, char const* aDesc) { + RefPtr extraData = + H264::CreateExtraData(aProfile, aConstraints, aLevel, aSize); + SPSData spsData; + success = H264::DecodeSPSFromExtraData(extraData, spsData); + EXPECT_EQ(success, true) << aDesc; + EXPECT_EQ(spsData.profile_idc, aProfile) << aDesc; + EXPECT_EQ(spsData.constraint_set0_flag, (aConstraints >> 7) & 1) << aDesc; + EXPECT_EQ(spsData.constraint_set1_flag, (aConstraints >> 6) & 1) << aDesc; + EXPECT_EQ(spsData.constraint_set2_flag, (aConstraints >> 5) & 1) << aDesc; + EXPECT_EQ(spsData.constraint_set3_flag, (aConstraints >> 4) & 1) << aDesc; + EXPECT_EQ(spsData.constraint_set4_flag, (aConstraints >> 3) & 1) << aDesc; + EXPECT_EQ(spsData.constraint_set5_flag, (aConstraints >> 2) & 1) << aDesc; + + EXPECT_EQ(spsData.level_idc, aLevel) << aDesc; + EXPECT_TRUE(!aSize.IsEmpty()); + EXPECT_EQ(spsData.pic_width, static_cast(aSize.width)) << aDesc; + EXPECT_EQ(spsData.pic_height, static_cast(aSize.height)) << aDesc; + }; + + testOutput(0x42, 0x40, 0x1E, {1920, 1080}, "Constrained Baseline Profile"); + testOutput(0x4D, 0x00, 0x0B, {300, 300}, "Main Profile"); + testOutput(0x64, 0x0C, 0x33, {1280, 720}, "Constrained High Profile"); +} -- cgit v1.2.3