TestGMPVideoEncodedFrame.cpp

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/* 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 "GMPVideoEncodedFrameImpl.h"

#include "GMPVideoHost.h"

#include "gtest/gtest.h"

#include "mozilla/gmp/GMPTypes.h"

using namespace mozilla::gmp;

using testing::Test;

static GMPVideoEncodedFrameData TemporalIdAndSize(int32_t aTemporalLayerId,

                                                  uint32_t aSize) {

  GMPVideoEncodedFrameData frameData;

  frameData.mTemporalLayerId() = aTemporalLayerId;

  frameData.mSize() = aSize;

  return frameData;

static bool CheckFrameData(const GMPVideoEncodedFrameData& aFrameData,

                           size_t aBufferSize) {

  return GMPVideoEncodedFrameImpl::CheckFrameData(aFrameData, aBufferSize);

// Valid temporal layer IDs: -1 (sentinel for "unset"), and [0, 3], which are

// the supported temporal layers in libwebrtc.

TEST(TestGMPVideoEncodedFrameImpl, CheckFrameData_ValidTemporalLayerIds)

  EXPECT_TRUE(CheckFrameData(TemporalIdAndSize(-1, 0), 0));

  EXPECT_TRUE(CheckFrameData(TemporalIdAndSize(0, 0), 0));

  EXPECT_TRUE(CheckFrameData(TemporalIdAndSize(1, 0), 0));

  EXPECT_TRUE(CheckFrameData(TemporalIdAndSize(2, 0), 0));

  EXPECT_TRUE(CheckFrameData(TemporalIdAndSize(3, 0), 0));

// Temporal layer IDs >= kMaxTemporalStreams (4) must be rejected.

TEST(TestGMPVideoEncodedFrameImpl,

     CheckFrameData_InvalidTemporalLayerIdTooLarge)

  EXPECT_FALSE(CheckFrameData(TemporalIdAndSize(4, 0), 0));

  EXPECT_FALSE(CheckFrameData(TemporalIdAndSize(100000, 0), 0));

  EXPECT_FALSE(CheckFrameData(TemporalIdAndSize(INT32_MAX, 0), 0));

// Temporal layer IDs below -1 are also invalid.

TEST(TestGMPVideoEncodedFrameImpl,

     CheckFrameData_InvalidTemporalLayerIdTooSmall)

  EXPECT_FALSE(CheckFrameData(TemporalIdAndSize(-2, 0), 0));

  EXPECT_FALSE(CheckFrameData(TemporalIdAndSize(INT32_MIN, 0), 0));

// The size check must work regardless of temporal layer ID.

TEST(TestGMPVideoEncodedFrameImpl, CheckFrameData_SizeExceedsBuffer)

  EXPECT_FALSE(CheckFrameData(TemporalIdAndSize(-1, 10), 9));

  EXPECT_FALSE(CheckFrameData(TemporalIdAndSize(0, 10), 9));

  EXPECT_FALSE(CheckFrameData(TemporalIdAndSize(100000, 10), 9));

// Size fits in buffer with valid temporal layer ID: valid.

TEST(TestGMPVideoEncodedFrameImpl, CheckFrameData_SizeFitsInBuffer)

  EXPECT_TRUE(CheckFrameData(TemporalIdAndSize(0, 10), 10));

  EXPECT_TRUE(CheckFrameData(TemporalIdAndSize(0, 9), 10));

  EXPECT_TRUE(CheckFrameData(TemporalIdAndSize(0, 0), 0));