ffmpeg | branch: master | Martin Storsjö <mar...@martin.st> | Tue Mar 25 
22:57:58 2025 +0200| [d8ae11365c31dba406ec5a9bf6743f1a2d0747fc] | committer: 
Martin Storsjö

configure: Check for an actual function in VideoToolbox

This makes sure to disable VideoToolbox if building with an SDK
that does contain VideoToolbox, but targeting an older version of
the OS where it is unavailable. Previously, we would enable
VideoToolbox as long as the framework itself was found, which only
require the framework to exist in the SDK.

Signed-off-by: Martin Storsjö <mar...@martin.st>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=d8ae11365c31dba406ec5a9bf6743f1a2d0747fc
---

 configure | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/configure b/configure
index f2d66609fa..6942e92636 100755
--- a/configure
+++ b/configure
@@ -3626,7 +3626,7 @@ libxvid_encoder_deps="libxvid"
 libzvbi_teletext_decoder_deps="libzvbi"
 vapoursynth_demuxer_deps="vapoursynth"
 videotoolbox_suggest="coreservices"
-videotoolbox_deps="corefoundation coremedia corevideo"
+videotoolbox_deps="corefoundation coremedia corevideo 
VTDecompressionSessionDecodeFrame"
 videotoolbox_encoder_deps="videotoolbox 
VTCompressionSessionPrepareToEncodeFrames"
 
 # demuxers / muxers
@@ -6687,6 +6687,7 @@ check_headers termios.h
 check_headers unistd.h
 check_headers valgrind/valgrind.h
 check_func_headers VideoToolbox/VTCompressionSession.h 
VTCompressionSessionPrepareToEncodeFrames -framework VideoToolbox
+check_func_headers VideoToolbox/VideoToolbox.h 
VTDecompressionSessionDecodeFrame -framework VideoToolbox
 check_func_headers VideoToolbox/VideoToolbox.h VTPixelTransferSessionCreate 
-framework VideoToolbox
 check_func_headers VideoToolbox/VideoToolbox.h VTPixelRotationSessionCreate 
-framework VideoToolbox
 check_headers windows.h

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