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Merge pull request #8979 from sabzo:issue/8305_unhandled_objective_c_exception_video_avi_playback

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Unhandled Objective-C exception when playing video
This commit is contained in:
Alexander Alekhin
2017-06-24 10:56:25 +03:00
committed by GitHub
parent e397794ae2 f71bf21aaf
commit fa36e769cf
1 changed files with 9 additions and 1 deletions
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modules/highgui/src/cap_avfoundation_mac.mm
+9 -1
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@@ -697,7 +697,15 @@ CvCaptureFile::CvCaptureFile(const char* filename) {
return;
}
mAssetTrack = [[mAsset tracksWithMediaType: AVMediaTypeVideo][0] retain];
NSArray *tracks = [mAsset tracksWithMediaType:AVMediaTypeAudio];
if ([tracks count] == 0) {
fprintf(stderr, "OpenCV: Couldn't read movie file \"%s\"\n", filename);
[localpool drain];
started = 0;
return;
}
mAssetTrack = [tracks[0] retain];
if ( ! setupReadingAt(kCMTimeZero) ) {
fprintf(stderr, "OpenCV: Couldn't read movie file \"%s\"\n", filename);