diff options
Diffstat (limited to 'chromium/media/video/capture/win/video_capture_device_mf_win.cc')
| -rw-r--r-- | chromium/media/video/capture/win/video_capture_device_mf_win.cc | 192 |
1 files changed, 45 insertions, 147 deletions
diff --git a/chromium/media/video/capture/win/video_capture_device_mf_win.cc b/chromium/media/video/capture/win/video_capture_device_mf_win.cc index cc1e7505dbe..07c7612f039 100644 --- a/chromium/media/video/capture/win/video_capture_device_mf_win.cc +++ b/chromium/media/video/capture/win/video_capture_device_mf_win.cc @@ -7,8 +7,8 @@ #include <mfapi.h> #include <mferror.h> -#include "base/lazy_instance.h" #include "base/memory/ref_counted.h" +#include "base/strings/stringprintf.h" #include "base/strings/sys_string_conversions.h" #include "base/synchronization/waitable_event.h" #include "base/win/scoped_co_mem.h" @@ -19,7 +19,6 @@ using base::win::ScopedCoMem; using base::win::ScopedComPtr; namespace media { -namespace { // In Windows device identifiers, the USB VID and PID are preceded by the string // "vid_" or "pid_". The identifiers are each 4 bytes long. @@ -27,74 +26,7 @@ const char kVidPrefix[] = "vid_"; // Also contains '\0'. const char kPidPrefix[] = "pid_"; // Also contains '\0'. const size_t kVidPidSize = 4; -class MFInitializerSingleton { - public: - MFInitializerSingleton() { MFStartup(MF_VERSION, MFSTARTUP_LITE); } - ~MFInitializerSingleton() { MFShutdown(); } -}; - -static base::LazyInstance<MFInitializerSingleton> g_mf_initialize = - LAZY_INSTANCE_INITIALIZER; - -void EnsureMFInit() { - g_mf_initialize.Get(); -} - -bool PrepareVideoCaptureAttributes(IMFAttributes** attributes, int count) { - EnsureMFInit(); - - if (FAILED(MFCreateAttributes(attributes, count))) - return false; - - return SUCCEEDED((*attributes)->SetGUID(MF_DEVSOURCE_ATTRIBUTE_SOURCE_TYPE, - MF_DEVSOURCE_ATTRIBUTE_SOURCE_TYPE_VIDCAP_GUID)); -} - -bool EnumerateVideoDevices(IMFActivate*** devices, - UINT32* count) { - ScopedComPtr<IMFAttributes> attributes; - if (!PrepareVideoCaptureAttributes(attributes.Receive(), 1)) - return false; - - return SUCCEEDED(MFEnumDeviceSources(attributes, devices, count)); -} - -bool CreateVideoCaptureDevice(const char* sym_link, IMFMediaSource** source) { - ScopedComPtr<IMFAttributes> attributes; - if (!PrepareVideoCaptureAttributes(attributes.Receive(), 2)) - return false; - - attributes->SetString(MF_DEVSOURCE_ATTRIBUTE_SOURCE_TYPE_VIDCAP_SYMBOLIC_LINK, - base::SysUTF8ToWide(sym_link).c_str()); - - return SUCCEEDED(MFCreateDeviceSource(attributes, source)); -} - -bool FormatFromGuid(const GUID& guid, VideoPixelFormat* format) { - struct { - const GUID& guid; - const VideoPixelFormat format; - } static const kFormatMap[] = { - { MFVideoFormat_I420, PIXEL_FORMAT_I420 }, - { MFVideoFormat_YUY2, PIXEL_FORMAT_YUY2 }, - { MFVideoFormat_UYVY, PIXEL_FORMAT_UYVY }, - { MFVideoFormat_RGB24, PIXEL_FORMAT_RGB24 }, - { MFVideoFormat_ARGB32, PIXEL_FORMAT_ARGB }, - { MFVideoFormat_MJPG, PIXEL_FORMAT_MJPEG }, - { MFVideoFormat_YV12, PIXEL_FORMAT_YV12 }, - }; - - for (int i = 0; i < arraysize(kFormatMap); ++i) { - if (kFormatMap[i].guid == guid) { - *format = kFormatMap[i].format; - return true; - } - } - - return false; -} - -bool GetFrameSize(IMFMediaType* type, gfx::Size* frame_size) { +static bool GetFrameSize(IMFMediaType* type, gfx::Size* frame_size) { UINT32 width32, height32; if (FAILED(MFGetAttributeSize(type, MF_MT_FRAME_SIZE, &width32, &height32))) return false; @@ -102,9 +34,9 @@ bool GetFrameSize(IMFMediaType* type, gfx::Size* frame_size) { return true; } -bool GetFrameRate(IMFMediaType* type, - int* frame_rate_numerator, - int* frame_rate_denominator) { +static bool GetFrameRate(IMFMediaType* type, + int* frame_rate_numerator, + int* frame_rate_denominator) { UINT32 numerator, denominator; if (FAILED(MFGetAttributeRatio(type, MF_MT_FRAME_RATE, &numerator, &denominator))|| @@ -116,18 +48,18 @@ bool GetFrameRate(IMFMediaType* type, return true; } -bool FillCapabilitiesFromType(IMFMediaType* type, - VideoCaptureCapabilityWin* capability) { +static bool FillCapabilitiesFromType(IMFMediaType* type, + VideoCaptureCapabilityWin* capability) { GUID type_guid; if (FAILED(type->GetGUID(MF_MT_SUBTYPE, &type_guid)) || !GetFrameSize(type, &capability->supported_format.frame_size) || !GetFrameRate(type, &capability->frame_rate_numerator, &capability->frame_rate_denominator) || - !FormatFromGuid(type_guid, &capability->supported_format.pixel_format)) { + !VideoCaptureDeviceMFWin::FormatFromGuid(type_guid, + &capability->supported_format.pixel_format)) { return false; } - // Keep the integer version of the frame_rate for (potential) returns. capability->supported_format.frame_rate = capability->frame_rate_numerator / capability->frame_rate_denominator; @@ -153,26 +85,8 @@ HRESULT FillCapabilities(IMFSourceReader* source, return (hr == MF_E_NO_MORE_TYPES) ? S_OK : hr; } -bool LoadMediaFoundationDlls() { - static const wchar_t* const kMfDLLs[] = { - L"%WINDIR%\\system32\\mf.dll", - L"%WINDIR%\\system32\\mfplat.dll", - L"%WINDIR%\\system32\\mfreadwrite.dll", - }; - - for (int i = 0; i < arraysize(kMfDLLs); ++i) { - wchar_t path[MAX_PATH] = {0}; - ExpandEnvironmentStringsW(kMfDLLs[i], path, arraysize(path)); - if (!LoadLibraryExW(path, NULL, LOAD_WITH_ALTERED_SEARCH_PATH)) - return false; - } - - return true; -} - -} // namespace -class MFReaderCallback +class MFReaderCallback FINAL : public base::RefCountedThreadSafe<MFReaderCallback>, public IMFSourceReaderCallback { public: @@ -204,9 +118,9 @@ class MFReaderCallback STDMETHOD(OnReadSample)(HRESULT status, DWORD stream_index, DWORD stream_flags, LONGLONG time_stamp, IMFSample* sample) { - base::Time stamp(base::Time::Now()); + base::TimeTicks stamp(base::TimeTicks::Now()); if (!sample) { - observer_->OnIncomingCapturedFrame(NULL, 0, stamp, 0); + observer_->OnIncomingCapturedData(NULL, 0, 0, stamp); return S_OK; } @@ -220,7 +134,7 @@ class MFReaderCallback DWORD length = 0, max_length = 0; BYTE* data = NULL; buffer->Lock(&data, &max_length, &length); - observer_->OnIncomingCapturedFrame(data, length, stamp, 0); + observer_->OnIncomingCapturedData(data, length, 0, stamp); buffer->Unlock(); } } @@ -249,41 +163,29 @@ class MFReaderCallback }; // static -bool VideoCaptureDeviceMFWin::PlatformSupported() { - // Even though the DLLs might be available on Vista, we get crashes - // when running our tests on the build bots. - if (base::win::GetVersion() < base::win::VERSION_WIN7) - return false; - - static bool g_dlls_available = LoadMediaFoundationDlls(); - return g_dlls_available; -} - -// static -void VideoCaptureDeviceMFWin::GetDeviceNames(Names* device_names) { - ScopedCoMem<IMFActivate*> devices; - UINT32 count; - if (!EnumerateVideoDevices(&devices, &count)) - return; +bool VideoCaptureDeviceMFWin::FormatFromGuid(const GUID& guid, + VideoPixelFormat* format) { + struct { + const GUID& guid; + const VideoPixelFormat format; + } static const kFormatMap[] = { + { MFVideoFormat_I420, PIXEL_FORMAT_I420 }, + { MFVideoFormat_YUY2, PIXEL_FORMAT_YUY2 }, + { MFVideoFormat_UYVY, PIXEL_FORMAT_UYVY }, + { MFVideoFormat_RGB24, PIXEL_FORMAT_RGB24 }, + { MFVideoFormat_ARGB32, PIXEL_FORMAT_ARGB }, + { MFVideoFormat_MJPG, PIXEL_FORMAT_MJPEG }, + { MFVideoFormat_YV12, PIXEL_FORMAT_YV12 }, + }; - HRESULT hr; - for (UINT32 i = 0; i < count; ++i) { - UINT32 name_size, id_size; - ScopedCoMem<wchar_t> name, id; - if (SUCCEEDED(hr = devices[i]->GetAllocatedString( - MF_DEVSOURCE_ATTRIBUTE_FRIENDLY_NAME, &name, &name_size)) && - SUCCEEDED(hr = devices[i]->GetAllocatedString( - MF_DEVSOURCE_ATTRIBUTE_SOURCE_TYPE_VIDCAP_SYMBOLIC_LINK, &id, - &id_size))) { - std::wstring name_w(name, name_size), id_w(id, id_size); - Name device(base::SysWideToUTF8(name_w), base::SysWideToUTF8(id_w), - Name::MEDIA_FOUNDATION); - device_names->push_back(device); - } else { - DLOG(WARNING) << "GetAllocatedString failed: " << std::hex << hr; + for (int i = 0; i < arraysize(kFormatMap); ++i) { + if (kFormatMap[i].guid == guid) { + *format = kFormatMap[i].format; + return true; } - devices[i]->Release(); } + + return false; } const std::string VideoCaptureDevice::Name::GetModel() const { @@ -315,14 +217,11 @@ VideoCaptureDeviceMFWin::~VideoCaptureDeviceMFWin() { DCHECK(CalledOnValidThread()); } -bool VideoCaptureDeviceMFWin::Init() { +bool VideoCaptureDeviceMFWin::Init( + const base::win::ScopedComPtr<IMFMediaSource>& source) { DCHECK(CalledOnValidThread()); DCHECK(!reader_); - ScopedComPtr<IMFMediaSource> source; - if (!CreateVideoCaptureDevice(name_.id().c_str(), source.Receive())) - return false; - ScopedComPtr<IMFAttributes> attributes; MFCreateAttributes(attributes.Receive(), 1); DCHECK(attributes); @@ -404,18 +303,16 @@ void VideoCaptureDeviceMFWin::StopAndDeAllocate() { flushed.TimedWait(base::TimeDelta::FromMilliseconds(kFlushTimeOutInMs)); } -void VideoCaptureDeviceMFWin::OnIncomingCapturedFrame( +void VideoCaptureDeviceMFWin::OnIncomingCapturedData( const uint8* data, int length, - const base::Time& time_stamp, - int rotation) { + int rotation, + const base::TimeTicks& time_stamp) { base::AutoLock lock(lock_); - if (data && client_.get()) - client_->OnIncomingCapturedFrame(data, - length, - time_stamp, - rotation, - capture_format_); + if (data && client_.get()) { + client_->OnIncomingCapturedData( + data, length, capture_format_, rotation, time_stamp); + } if (capture_) { HRESULT hr = reader_->ReadSample(MF_SOURCE_READER_FIRST_VIDEO_STREAM, 0, @@ -432,9 +329,10 @@ void VideoCaptureDeviceMFWin::OnIncomingCapturedFrame( } void VideoCaptureDeviceMFWin::OnError(HRESULT hr) { - DLOG(ERROR) << "VideoCaptureDeviceMFWin: " << std::hex << hr; + std::string log_msg = base::StringPrintf("VideoCaptureDeviceMFWin: %x", hr); + DLOG(ERROR) << log_msg; if (client_.get()) - client_->OnError(); + client_->OnError(log_msg); } } // namespace media |