diff options
Diffstat (limited to 'chromium/media/video/capture/fake_video_capture_device.cc')
| -rw-r--r-- | chromium/media/video/capture/fake_video_capture_device.cc | 119 |
1 files changed, 25 insertions, 94 deletions
diff --git a/chromium/media/video/capture/fake_video_capture_device.cc b/chromium/media/video/capture/fake_video_capture_device.cc index a87514d4347..302396a22b8 100644 --- a/chromium/media/video/capture/fake_video_capture_device.cc +++ b/chromium/media/video/capture/fake_video_capture_device.cc @@ -10,83 +10,15 @@ #include "base/memory/scoped_ptr.h" #include "base/strings/stringprintf.h" #include "media/audio/fake_audio_input_stream.h" +#include "media/base/video_frame.h" #include "third_party/skia/include/core/SkBitmap.h" #include "third_party/skia/include/core/SkCanvas.h" #include "third_party/skia/include/core/SkPaint.h" namespace media { -static const int kFakeCaptureTimeoutMs = 50; -static const int kFakeCaptureBeepCycle = 20; // Visual beep every 1s. +static const int kFakeCaptureBeepCycle = 10; // Visual beep every 0.5s. static const int kFakeCaptureCapabilityChangePeriod = 30; -enum { kNumberOfFakeDevices = 2 }; - -bool FakeVideoCaptureDevice::fail_next_create_ = false; -base::subtle::Atomic32 FakeVideoCaptureDevice::number_of_devices_ = - kNumberOfFakeDevices; - -// static -size_t FakeVideoCaptureDevice::NumberOfFakeDevices(void) { - return number_of_devices_; -} - -// static -void FakeVideoCaptureDevice::GetDeviceNames(Names* const device_names) { - // Empty the name list. - device_names->erase(device_names->begin(), device_names->end()); - - int number_of_devices = base::subtle::NoBarrier_Load(&number_of_devices_); - for (int32 n = 0; n < number_of_devices; n++) { - Name name(base::StringPrintf("fake_device_%d", n), - base::StringPrintf("/dev/video%d", n)); - device_names->push_back(name); - } -} - -// static -void FakeVideoCaptureDevice::GetDeviceSupportedFormats( - const Name& device, - VideoCaptureFormats* supported_formats) { - - supported_formats->clear(); - VideoCaptureFormat capture_format_640x480; - capture_format_640x480.pixel_format = media::PIXEL_FORMAT_I420; - capture_format_640x480.frame_size.SetSize(640, 480); - capture_format_640x480.frame_rate = 1000 / kFakeCaptureTimeoutMs; - supported_formats->push_back(capture_format_640x480); - VideoCaptureFormat capture_format_320x240; - capture_format_320x240.pixel_format = media::PIXEL_FORMAT_I420; - capture_format_320x240.frame_size.SetSize(320, 240); - capture_format_320x240.frame_rate = 1000 / kFakeCaptureTimeoutMs; - supported_formats->push_back(capture_format_320x240); -} - -// static -VideoCaptureDevice* FakeVideoCaptureDevice::Create(const Name& device_name) { - if (fail_next_create_) { - fail_next_create_ = false; - return NULL; - } - int number_of_devices = base::subtle::NoBarrier_Load(&number_of_devices_); - for (int32 n = 0; n < number_of_devices; ++n) { - std::string possible_id = base::StringPrintf("/dev/video%d", n); - if (device_name.id().compare(possible_id) == 0) { - return new FakeVideoCaptureDevice(); - } - } - return NULL; -} - -// static -void FakeVideoCaptureDevice::SetFailNextCreate() { - fail_next_create_ = true; -} - -// static -void FakeVideoCaptureDevice::SetNumberOfFakeDevices(size_t number_of_devices) { - base::subtle::NoBarrier_AtomicExchange(&number_of_devices_, - number_of_devices); -} FakeVideoCaptureDevice::FakeVideoCaptureDevice() : capture_thread_("CaptureThread"), @@ -123,19 +55,32 @@ void FakeVideoCaptureDevice::StopAndDeAllocate() { capture_thread_.Stop(); } +void FakeVideoCaptureDevice::PopulateVariableFormatsRoster( + const VideoCaptureFormats& formats) { + DCHECK(thread_checker_.CalledOnValidThread()); + DCHECK(!capture_thread_.IsRunning()); + format_roster_ = formats; + format_roster_index_ = 0; +} + void FakeVideoCaptureDevice::OnAllocateAndStart( const VideoCaptureParams& params, scoped_ptr<VideoCaptureDevice::Client> client) { DCHECK_EQ(capture_thread_.message_loop(), base::MessageLoop::current()); client_ = client.Pass(); - capture_format_.pixel_format = PIXEL_FORMAT_I420; + + // Incoming |params| can be none of the supported formats, so we get the + // closest thing rounded up. TODO(mcasas): Use the |params|, if they belong to + // the supported ones, when http://crbug.com/309554 is verified. + DCHECK_EQ(params.requested_format.pixel_format, PIXEL_FORMAT_I420); + capture_format_.pixel_format = params.requested_format.pixel_format; capture_format_.frame_rate = 30; - if (params.requested_format.frame_size.width() > 320) + if (params.requested_format.frame_size.width() > 640) + capture_format_.frame_size.SetSize(1280, 720); + else if (params.requested_format.frame_size.width() > 320) capture_format_.frame_size.SetSize(640, 480); else capture_format_.frame_size.SetSize(320, 240); - if (params.allow_resolution_change) - PopulateFormatRoster(); const size_t fake_frame_size = VideoFrame::AllocationSize(VideoFrame::I420, capture_format_.frame_size); fake_frame_.reset(new uint8[fake_frame_size]); @@ -165,13 +110,11 @@ void FakeVideoCaptureDevice::OnCaptureTask() { capture_format_.frame_size.height(), capture_format_.frame_size.width()), bitmap.setPixels(fake_frame_.get()); - SkCanvas canvas(bitmap); // Draw a sweeping circle to show an animation. int radius = std::min(capture_format_.frame_size.width(), - capture_format_.frame_size.height()) / - 4; + capture_format_.frame_size.height()) / 4; SkRect rect = SkRect::MakeXYWH(capture_format_.frame_size.width() / 2 - radius, capture_format_.frame_size.height() / 2 - radius, @@ -214,11 +157,11 @@ void FakeVideoCaptureDevice::OnCaptureTask() { frame_count_++; // Give the captured frame to the client. - client_->OnIncomingCapturedFrame(fake_frame_.get(), - frame_size, - base::Time::Now(), - 0, - capture_format_); + client_->OnIncomingCapturedData(fake_frame_.get(), + frame_size, + capture_format_, + 0, + base::TimeTicks::Now()); if (!(frame_count_ % kFakeCaptureCapabilityChangePeriod) && format_roster_.size() > 0U) { Reallocate(); @@ -244,16 +187,4 @@ void FakeVideoCaptureDevice::Reallocate() { fake_frame_.reset(new uint8[fake_frame_size]); } -void FakeVideoCaptureDevice::PopulateFormatRoster() { - DCHECK_EQ(capture_thread_.message_loop(), base::MessageLoop::current()); - format_roster_.push_back( - media::VideoCaptureFormat(gfx::Size(320, 240), 30, PIXEL_FORMAT_I420)); - format_roster_.push_back( - media::VideoCaptureFormat(gfx::Size(640, 480), 30, PIXEL_FORMAT_I420)); - format_roster_.push_back( - media::VideoCaptureFormat(gfx::Size(800, 600), 30, PIXEL_FORMAT_I420)); - - format_roster_index_ = 0; -} - } // namespace media |