Home | History | Annotate | Download | only in qtkit 
      1 /*
      2  *  Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
      3  *
      4  *  Use of this source code is governed by a BSD-style license
      5  *  that can be found in the LICENSE file in the root of the source
      6  *  tree. An additional intellectual property rights grant can be found
      7  *  in the file PATENTS.  All contributing project authors may
      8  *  be found in the AUTHORS file in the root of the source tree.
      9  */
     10 
     11 #import "webrtc/modules/video_capture/mac/qtkit/video_capture_qtkit_info_objc.h"
     12 #include "webrtc/modules/video_capture/include/video_capture.h"
     13 #include "webrtc/modules/video_capture/video_capture_config.h"
     14 #include "webrtc/system_wrappers/interface/trace.h"
     15 
     16 namespace webrtc
     17 {
     18 namespace videocapturemodule
     19 {
     20 
     21 VideoCaptureMacQTKitInfo::VideoCaptureMacQTKitInfo(const int32_t id) :
     22     DeviceInfoImpl(id)
     23 {
     24     _captureInfo = [[VideoCaptureMacQTKitInfoObjC alloc] init];
     25 }
     26 
     27 VideoCaptureMacQTKitInfo::~VideoCaptureMacQTKitInfo()
     28 {
     29     [_captureInfo release];
     30 
     31 }
     32 
     33 int32_t VideoCaptureMacQTKitInfo::Init()
     34 {
     35 
     36     return 0;
     37 }
     38 
     39 uint32_t VideoCaptureMacQTKitInfo::NumberOfDevices()
     40 {
     41 
     42     uint32_t captureDeviceCount =
     43         [[_captureInfo getCaptureDeviceCount]intValue];
     44     return captureDeviceCount;
     45 
     46 }
     47 
     48 int32_t VideoCaptureMacQTKitInfo::GetDeviceName(
     49     uint32_t deviceNumber, char* deviceNameUTF8,
     50     uint32_t deviceNameLength, char* deviceUniqueIdUTF8,
     51     uint32_t deviceUniqueIdUTF8Length, char* productUniqueIdUTF8,
     52     uint32_t productUniqueIdUTF8Length)
     53 {
     54     int errNum = [[_captureInfo getDeviceNamesFromIndex:deviceNumber
     55                    DefaultName:deviceNameUTF8 WithLength:deviceNameLength
     56                    AndUniqueID:deviceUniqueIdUTF8
     57                    WithLength:deviceUniqueIdUTF8Length
     58                    AndProductID:productUniqueIdUTF8
     59                    WithLength:productUniqueIdUTF8Length]intValue];
     60     return errNum;
     61 }
     62 
     63 int32_t VideoCaptureMacQTKitInfo::NumberOfCapabilities(
     64     const char* deviceUniqueIdUTF8)
     65 {
     66     // Not implemented. Mac doesn't use discrete steps in capabilities, rather
     67     // "analog". QTKit will do it's best to convert frames to what ever format
     68     // you ask for.
     69     WEBRTC_TRACE(webrtc::kTraceError, webrtc::kTraceVideoCapture, _id,
     70                  "NumberOfCapabilities is not supported on the Mac platform.");
     71     return -1;
     72 }
     73 
     74 
     75 int32_t VideoCaptureMacQTKitInfo::GetCapability(
     76     const char* deviceUniqueIdUTF8,
     77     const uint32_t deviceCapabilityNumber,
     78     VideoCaptureCapability& capability)
     79 {
     80     // Not implemented. Mac doesn't use discrete steps in capabilities, rather
     81     // "analog". QTKit will do it's best to convert frames to what ever format
     82     // you ask for.
     83     WEBRTC_TRACE(webrtc::kTraceError, webrtc::kTraceVideoCapture, _id,
     84                  "NumberOfCapabilities is not supported on the Mac platform.");
     85     return -1;
     86 }
     87 
     88 
     89 int32_t VideoCaptureMacQTKitInfo::GetBestMatchedCapability(
     90     const char*deviceUniqueIdUTF8,
     91     const VideoCaptureCapability& requested, VideoCaptureCapability& resulting)
     92 {
     93     // Not implemented. Mac doesn't use discrete steps in capabilities, rather
     94     // "analog". QTKit will do it's best to convert frames to what ever format
     95     // you ask for.
     96     WEBRTC_TRACE(webrtc::kTraceInfo, webrtc::kTraceVideoCapture, _id,
     97                  "NumberOfCapabilities is not supported on the Mac platform.");
     98     return -1;
     99 }
    100 
    101 int32_t VideoCaptureMacQTKitInfo::DisplayCaptureSettingsDialogBox(
    102     const char* deviceUniqueIdUTF8,
    103     const char* dialogTitleUTF8, void* parentWindow,
    104     uint32_t positionX, uint32_t positionY)
    105 {
    106 
    107     return [[_captureInfo
    108              displayCaptureSettingsDialogBoxWithDevice:deviceUniqueIdUTF8
    109              AndTitle:dialogTitleUTF8
    110              AndParentWindow:parentWindow AtX:positionX AndY:positionY]
    111              intValue];
    112 }
    113 
    114 int32_t VideoCaptureMacQTKitInfo::CreateCapabilityMap(
    115     const char* deviceUniqueIdUTF8)
    116 {
    117     // Not implemented. Mac doesn't use discrete steps in capabilities, rather
    118     // "analog". QTKit will do it's best to convert frames to what ever format
    119     // you ask for.
    120     WEBRTC_TRACE(webrtc::kTraceInfo, webrtc::kTraceVideoCapture, _id,
    121                  "NumberOfCapabilities is not supported on the Mac platform.");
    122      return -1;
    123 }
    124 }  // namespace videocapturemodule
    125 }  // namespace webrtc
    126