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avfvideosrc: sort caps with the highest resolution first

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When started without any caps filter we prefer the highest
supported resolution.
This commit is contained in:
Andoni Morales Alastruey 2013-11-06 18:49:35 +01:00
parent 66334591cc
commit 94d77829a4
1 changed files with 11 additions and 11 deletions
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22
sys/applemedia/avfvideosrc.m
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@ -345,7 +345,7 @@ didOutputSampleBuffer:(CMSampleBufferRef)sampleBuffer
NSArray *formats = [device valueForKey:@"formats"];
NSArray *pixel_formats = output.availableVideoCVPixelFormatTypes;
for (AVCaptureDeviceFormat *f in formats) {
for (AVCaptureDeviceFormat *f in [formats reverseObjectEnumerator]) {
CMFormatDescriptionRef formatDescription = f.formatDescription;
CMVideoDimensions dimensions = CMVideoFormatDescriptionGetDimensions(formatDescription);
@ -422,20 +422,20 @@ didOutputSampleBuffer:(CMSampleBufferRef)sampleBuffer
if (gst_format == GST_VIDEO_FORMAT_UNKNOWN)
continue;
if ([session canSetSessionPreset:AVCaptureSessionPresetLow])
gst_caps_append (result, GST_AVF_CAPS_NEW (gst_format, 192, 144, DEVICE_FPS_N, DEVICE_FPS_D));
if ([session canSetSessionPreset:AVCaptureSessionPreset352x288])
gst_caps_append (result, GST_AVF_CAPS_NEW (gst_format, 352, 288, DEVICE_FPS_N, DEVICE_FPS_D));
if ([session canSetSessionPreset:AVCaptureSessionPresetMedium])
gst_caps_append (result, GST_AVF_CAPS_NEW (gst_format, 480, 360, DEVICE_FPS_N, DEVICE_FPS_D));
if ([session canSetSessionPreset:AVCaptureSessionPreset640x480])
gst_caps_append (result, GST_AVF_CAPS_NEW (gst_format, 640, 480, DEVICE_FPS_N, DEVICE_FPS_D));
if ([session canSetSessionPreset:AVCaptureSessionPreset1280x720])
gst_caps_append (result, GST_AVF_CAPS_NEW (gst_format, 1280, 720, DEVICE_FPS_N, DEVICE_FPS_D));
#if HAVE_IOS
if ([session canSetSessionPreset:AVCaptureSessionPreset1920x1080])
gst_caps_append (result, GST_AVF_CAPS_NEW (gst_format, 1920, 1080, DEVICE_FPS_N, DEVICE_FPS_D));
#endif
if ([session canSetSessionPreset:AVCaptureSessionPreset1280x720])
gst_caps_append (result, GST_AVF_CAPS_NEW (gst_format, 1280, 720, DEVICE_FPS_N, DEVICE_FPS_D));
if ([session canSetSessionPreset:AVCaptureSessionPreset640x480])
gst_caps_append (result, GST_AVF_CAPS_NEW (gst_format, 640, 480, DEVICE_FPS_N, DEVICE_FPS_D));
if ([session canSetSessionPreset:AVCaptureSessionPresetMedium])
gst_caps_append (result, GST_AVF_CAPS_NEW (gst_format, 480, 360, DEVICE_FPS_N, DEVICE_FPS_D));
if ([session canSetSessionPreset:AVCaptureSessionPreset352x288])
gst_caps_append (result, GST_AVF_CAPS_NEW (gst_format, 352, 288, DEVICE_FPS_N, DEVICE_FPS_D));
if ([session canSetSessionPreset:AVCaptureSessionPresetLow])
gst_caps_append (result, GST_AVF_CAPS_NEW (gst_format, 192, 144, DEVICE_FPS_N, DEVICE_FPS_D));
}
return YES;
}