blob: 1d2f4d2f9e355c00d3047457e12f94be6c88bc9c [file] [log] [blame]
// Copyright 2016 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "base/memory/ref_counted.h"
#include "base/ranges/algorithm.h"
#include "base/run_loop.h"
#include "base/test/bind.h"
#include "build/build_config.h"
#include "media/base/video_frame.h"
#include "media/mojo/common/media_type_converters.h"
#include "mojo/public/cpp/bindings/pending_remote.h"
#include "services/video_capture/broadcasting_receiver.h"
#include "services/video_capture/device_media_to_mojo_adapter.h"
#include "services/video_capture/public/cpp/mock_video_frame_handler.h"
#include "services/video_capture/public/mojom/constants.mojom.h"
#include "services/video_capture/public/mojom/video_frame_handler.mojom.h"
#include "services/video_capture/test/fake_device_test.h"
using testing::_;
using testing::AtLeast;
using testing::Invoke;
using testing::InvokeWithoutArgs;
namespace video_capture {
// This alias ensures test output is easily attributed to this service's tests.
// TODO(rockot/chfremer): Consider just renaming the type.
using FakeVideoCaptureDeviceTest = FakeDeviceTest;
TEST_F(FakeVideoCaptureDeviceTest, FrameCallbacksArriveFromI420Device) {
base::RunLoop wait_loop;
// Constants must be static as a workaround
// for a MSVC++ bug about lambda captures, see the discussion at
// https://social.msdn.microsoft.com/Forums/SqlServer/4abf18bd-4ae4-4c72-ba3e-3b13e7909d5f
static const int kNumFramesToWaitFor = 3;
int num_frames_arrived = 0;
mojo::PendingRemote<mojom::VideoFrameHandler> handler_remote;
MockVideoFrameHandler video_frame_handler(
handler_remote.InitWithNewPipeAndPassReceiver());
EXPECT_CALL(video_frame_handler, DoOnNewBuffer(_, _)).Times(AtLeast(1));
EXPECT_CALL(video_frame_handler, DoOnFrameReadyInBuffer(_, _, _))
.WillRepeatedly(InvokeWithoutArgs([&wait_loop, &num_frames_arrived]() {
num_frames_arrived += 1;
if (num_frames_arrived >= kNumFramesToWaitFor) {
wait_loop.Quit();
}
}));
mojo::Remote<video_capture::mojom::PushVideoStreamSubscription> subscription;
i420_fake_source_remote_->CreatePushSubscription(
std::move(handler_remote), requestable_settings_,
false /*force_reopen_with_new_settings*/,
subscription.BindNewPipeAndPassReceiver(),
base::BindLambdaForTesting(
[&subscription](
video_capture::mojom::CreatePushSubscriptionResultCodePtr
result_code,
const media::VideoCaptureParams& params) {
EXPECT_TRUE(result_code->is_success_code());
subscription->Activate();
}));
wait_loop.Run();
}
// Tests that the service successfully decodes a MJPEG frames even if
// DeviceFactoryProvider.InjectGpuDependencies() has not been called.
TEST_F(FakeVideoCaptureDeviceTest, FrameCallbacksArriveFromMjpegDevice) {
base::RunLoop wait_loop;
// Constants must be static as a workaround
// for a MSVC++ bug about lambda captures, see the discussion at
// https://social.msdn.microsoft.com/Forums/SqlServer/4abf18bd-4ae4-4c72-ba3e-3b13e7909d5f
static const int kNumFramesToWaitFor = 3;
int num_frames_arrived = 0;
mojo::PendingRemote<mojom::VideoFrameHandler> handler_remote;
MockVideoFrameHandler video_frame_handler(
handler_remote.InitWithNewPipeAndPassReceiver());
EXPECT_CALL(video_frame_handler, DoOnNewBuffer(_, _)).Times(AtLeast(1));
EXPECT_CALL(video_frame_handler, DoOnFrameReadyInBuffer(_, _, _))
.WillRepeatedly(InvokeWithoutArgs([&wait_loop, &num_frames_arrived]() {
num_frames_arrived += 1;
if (num_frames_arrived >= kNumFramesToWaitFor) {
wait_loop.Quit();
}
}));
EXPECT_CALL(video_frame_handler, OnStartedUsingGpuDecode()).Times(0);
mojo::Remote<video_capture::mojom::PushVideoStreamSubscription> subscription;
mjpeg_fake_source_remote_->CreatePushSubscription(
std::move(handler_remote), requestable_settings_,
false /*force_reopen_with_new_settings*/,
subscription.BindNewPipeAndPassReceiver(),
base::BindLambdaForTesting(
[&subscription](
video_capture::mojom::CreatePushSubscriptionResultCodePtr
result_code,
const media::VideoCaptureParams& params) {
EXPECT_TRUE(result_code->is_success_code());
subscription->Activate();
}));
wait_loop.Run();
}
// Tests that buffers get reused when receiving more frames than the maximum
// number of buffers in the pool.
TEST_F(FakeVideoCaptureDeviceTest, BuffersGetReused) {
base::RunLoop wait_loop;
const int kMaxBufferPoolBuffers =
DeviceMediaToMojoAdapter::max_buffer_pool_buffer_count();
// Constants must be static as a workaround
// for a MSVC++ bug about lambda captures, see the discussion at
// https://social.msdn.microsoft.com/Forums/SqlServer/4abf18bd-4ae4-4c72-ba3e-3b13e7909d5f
static const int kNumFramesToWaitFor = kMaxBufferPoolBuffers + 3;
int num_buffers_created = 0;
int num_frames_arrived = 0;
mojo::PendingRemote<mojom::VideoFrameHandler> handler_remote;
MockVideoFrameHandler video_frame_handler(
handler_remote.InitWithNewPipeAndPassReceiver());
EXPECT_CALL(video_frame_handler, DoOnNewBuffer(_, _))
.WillRepeatedly(InvokeWithoutArgs(
[&num_buffers_created]() { num_buffers_created++; }));
EXPECT_CALL(video_frame_handler, DoOnFrameReadyInBuffer(_, _, _))
.WillRepeatedly(InvokeWithoutArgs([&wait_loop, &num_frames_arrived]() {
if (++num_frames_arrived >= kNumFramesToWaitFor) {
wait_loop.Quit();
}
}));
mojo::Remote<video_capture::mojom::PushVideoStreamSubscription> subscription;
i420_fake_source_remote_->CreatePushSubscription(
std::move(handler_remote), requestable_settings_,
false /*force_reopen_with_new_settings*/,
subscription.BindNewPipeAndPassReceiver(),
base::BindLambdaForTesting(
[&subscription](
video_capture::mojom::CreatePushSubscriptionResultCodePtr
result_code,
const media::VideoCaptureParams& params) {
EXPECT_TRUE(result_code->is_success_code());
subscription->Activate();
}));
wait_loop.Run();
ASSERT_LT(num_buffers_created, num_frames_arrived);
ASSERT_LE(num_buffers_created, kMaxBufferPoolBuffers);
}
// Tests that when the device is stopped OnBufferRetired() events get sent out
// to the receiver followed by OnStopped().
TEST_F(FakeVideoCaptureDeviceTest, BuffersGetRetiredWhenDeviceIsStopped) {
base::RunLoop wait_for_frames_loop;
static const int kNumFramesToWaitFor = 2;
std::vector<int32_t> known_buffer_ids;
int num_frames_arrived = 0;
mojo::PendingRemote<mojom::VideoFrameHandler> handler_remote;
MockVideoFrameHandler video_frame_handler(
handler_remote.InitWithNewPipeAndPassReceiver());
EXPECT_CALL(video_frame_handler, DoOnNewBuffer(_, _))
.WillRepeatedly(
Invoke([&known_buffer_ids](int32_t buffer_id,
media::mojom::VideoBufferHandlePtr*) {
known_buffer_ids.push_back(buffer_id);
}));
EXPECT_CALL(video_frame_handler, DoOnFrameReadyInBuffer(_, _, _))
.WillRepeatedly(
InvokeWithoutArgs([&wait_for_frames_loop, &num_frames_arrived]() {
if (++num_frames_arrived >= kNumFramesToWaitFor) {
wait_for_frames_loop.Quit();
}
}));
mojo::Remote<video_capture::mojom::PushVideoStreamSubscription> subscription;
i420_fake_source_remote_->CreatePushSubscription(
std::move(handler_remote), requestable_settings_,
false /*force_reopen_with_new_settings*/,
subscription.BindNewPipeAndPassReceiver(),
base::BindLambdaForTesting(
[&subscription](
video_capture::mojom::CreatePushSubscriptionResultCodePtr
result_code,
const media::VideoCaptureParams& params) {
EXPECT_TRUE(result_code->is_success_code());
subscription->Activate();
}));
wait_for_frames_loop.Run();
base::RunLoop wait_for_on_stopped_loop;
EXPECT_CALL(video_frame_handler, DoOnBufferRetired(_))
.WillRepeatedly(Invoke([&known_buffer_ids](int32_t buffer_id) {
auto iter = base::ranges::find(known_buffer_ids, buffer_id);
ASSERT_TRUE(iter != known_buffer_ids.end());
known_buffer_ids.erase(iter);
}));
EXPECT_CALL(video_frame_handler, OnStopped())
.WillOnce(Invoke(
[&wait_for_on_stopped_loop]() { wait_for_on_stopped_loop.Quit(); }));
// Stop the device
subscription.reset();
wait_for_on_stopped_loop.Run();
ASSERT_TRUE(known_buffer_ids.empty());
}
} // namespace video_capture