[FFmpeg-cvslog] avdevice/avfoundation: add external video devices

[Theo Fabi]

ffmpeg | branch: release/7.0 | Theo Fabi <fabi.theo at gmail.com> | Sun Jun  9 15:51:08 2024 -0400| [40ddddca45c326cb474b3b2cd29f1474369af2ce] | committer: Thilo Borgmann

avdevice/avfoundation: add external video devices

Video devices categorized by AVFoundation as
'AVCaptureDeviceTypeExternal(Unknown)' (like USB video streams) were not
recognized by libavdevice.

Signed-off-by: Theo Fabi <fabi.theo at gmail.com>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=40ddddca45c326cb474b3b2cd29f1474369af2ce
---

 libavdevice/avfoundation.m | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/libavdevice/avfoundation.m b/libavdevice/avfoundation.m
index d9b17ccdae..3fe3df2cb7 100644
--- a/libavdevice/avfoundation.m
+++ b/libavdevice/avfoundation.m
@@ -787,6 +787,9 @@ static NSArray* getDevicesWithMediaType(AVMediaType mediaType) {
         #endif
         #if (TARGET_OS_IPHONE && __IPHONE_OS_VERSION_MIN_REQUIRED >= 170000 || (TARGET_OS_OSX && __MAC_OS_X_VERSION_MIN_REQUIRED >= 140000))
             [deviceTypes addObject: AVCaptureDeviceTypeContinuityCamera];
+            [deviceTypes addObject: AVCaptureDeviceTypeExternal];
+        #elif (TARGET_OS_OSX && __MAC_OS_X_VERSION_MIN_REQUIRED < 140000)
+            [deviceTypes addObject: AVCaptureDeviceTypeExternalUnknown];
         #endif
     } else if (mediaType == AVMediaTypeAudio) {
         #if (TARGET_OS_IPHONE && __IPHONE_OS_VERSION_MIN_REQUIRED >= 170000 || (TARGET_OS_OSX && __MAC_OS_X_VERSION_MIN_REQUIRED >= 140000))