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Figure out the best way to choose the video format on iOS #1

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kidzik opened this issue Apr 22, 2021 · 0 comments
Open

Figure out the best way to choose the video format on iOS #1

kidzik opened this issue Apr 22, 2021 · 0 comments

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@kidzik
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kidzik commented Apr 22, 2021

Here are some example formats available for my iPhone:

<AVCaptureDeviceFormat: 0x2800f13c0 'vide'/'420v'  192x 144, { 3- 60 fps}, HRSI:4032x3024, fov:63.173, max zoom:189.00 (upscales @21.00), AF System:2, ISO:22.0-1760.0, SS:0.000020-0.333333>
<AVCaptureDeviceFormat: 0x2800f13b0 'vide'/'420f'  192x 144, { 3- 60 fps}, HRSI:4032x3024, fov:63.173, max zoom:189.00 (upscales @21.00), AF System:2, ISO:22.0-1760.0, SS:0.000020-0.333333, supports wide color>
<AVCaptureDeviceFormat: 0x2800f13a0 'vide'/'420v'  352x 288, { 3- 60 fps}, HRSI:3696x3024, fov:57.909, max zoom:189.00 (upscales @10.50), AF System:2, ISO:22.0-1760.0, SS:0.000020-0.333333>
<AVCaptureDeviceFormat: 0x2800f1390 'vide'/'420f'  352x 288, { 3- 60 fps}, HRSI:3696x3024, fov:57.909, max zoom:189.00 (upscales @10.50), AF System:2, ISO:22.0-1760.0, SS:0.000020-0.333333, supports wide color>
<AVCaptureDeviceFormat: 0x2800f1380 'vide'/'420v'  480x 360, { 3- 60 fps}, HRSI:4032x3024, fov:63.173, max zoom:189.00 (upscales @8.40), AF System:2, ISO:22.0-1760.0, SS:0.000020-0.333333>
<AVCaptureDeviceFormat: 0x2800f1370 'vide'/'420f'  480x 360, { 3- 60 fps}, HRSI:4032x3024, fov:63.173, max zoom:189.00 (upscales @8.40), AF System:2, ISO:22.0-1760.0, SS:0.000020-0.333333, supports wide color>
<AVCaptureDeviceFormat: 0x2800f1360 'vide'/'420v'  640x 480, { 3- 60 fps}, HRSI:4032x3024, fov:63.173, max zoom:189.00 (upscales @6.30), AF System:2, ISO:22.0-1760.0, SS:0.000020-0.333333>
<AVCaptureDeviceFormat: 0x2800f1350 'vide'/'420f'  640x 480, { 3- 60 fps}, HRSI:4032x3024, fov:63.173, max zoom:189.00 (upscales @6.30), AF System:2, ISO:22.0-1760.0, SS:0.000020-0.333333, supports wide color>
<AVCaptureDeviceFormat: 0x2800f1340 'vide'/'420v'  640x 480, { 6- 60 fps}, HRSI:2016x1512, fov:60.302, binned, max zoom:94.50 (upscales @3.15), AF System:1, ISO:22.0-1760.0, SS:0.000011-0.166667>
<AVCaptureDeviceFormat: 0x2800f1330 'vide'/'420f'  640x 480, { 6- 60 fps}, HRSI:2016x1512, fov:60.302, binned, max zoom:94.50 (upscales @3.15), AF System:1, ISO:22.0-1760.0, SS:0.000011-0.166667, supports wide color>
<AVCaptureDeviceFormat: 0x2800f1320 'vide'/'420v'  960x 540, { 3- 60 fps}, HRSI:4224x2376, fov:65.576, supports vis, max zoom:135.00 (upscales @4.00), AF System:2, ISO:22.0-880.0, SS:0.000020-0.333333>
<AVCaptureDeviceFormat: 0x2800f1310 'vide'/'420f'  960x 540, { 3- 60 fps}, HRSI:4224x2376, fov:65.576, supports vis, max zoom:135.00 (upscales @4.00), AF System:2, ISO:22.0-880.0, SS:0.000020-0.333333, supports wide color>
<AVCaptureDeviceFormat: 0x2800f1300 'vide'/'420v' 1024x 768, { 3- 60 fps}, HRSI:4032x3024, fov:63.173, max zoom:189.00 (upscales @3.94), AF System:2, ISO:22.0-1760.0, SS:0.000020-0.333333>
<AVCaptureDeviceFormat: 0x2800f12f0 'vide'/'420f' 1024x 768, { 3- 60 fps}, HRSI:4032x3024, fov:63.173, max zoom:189.00 (upscales @3.94), AF System:2, ISO:22.0-1760.0, SS:0.000020-0.333333, supports wide color>
<AVCaptureDeviceFormat: 0x2800f12e0 'vide'/'420v' 1280x 720, { 3- 30 fps}, HRSI:4224x2376, fov:65.576, supports vis, max zoom:24.00 (upscales @3.00), AF System:2, ISO:22.0-880.0, SS:0.000020-0.333333>
<AVCaptureDeviceFormat: 0x2800f12d0 'vide'/'420f' 1280x 720, { 3- 30 fps}, HRSI:4224x2376, fov:65.576, supports vis, max zoom:24.00 (upscales @3.00), AF System:2, ISO:22.0-880.0, SS:0.000020-0.333333, supports wide color>
<AVCaptureDeviceFormat: 0x2800f12c0 'vide'/'420v' 1280x 720, { 3- 60 fps}, HRSI:4224x2376, fov:65.576, supports vis, max zoom:24.00 (upscales @3.00), AF System:2, ISO:22.0-880.0, SS:0.000020-0.333333>
<AVCaptureDeviceFormat: 0x2800f12b0 'vide'/'420f' 1280x 720, { 3- 60 fps}, HRSI:4224x2376, fov:65.576, supports vis, max zoom:24.00 (upscales @3.00), AF System:2, ISO:22.0-880.0, SS:0.000020-0.333333, supports wide color>
<AVCaptureDeviceFormat: 0x2800f12a0 'vide'/'420v' 1280x 720, { 6- 60 fps}, fov:65.576, binned, supports vis, max zoom:61.88 (upscales @1.50), AF System:1, ISO:22.0-880.0, SS:0.000011-0.166667>
<AVCaptureDeviceFormat: 0x2800f1290 'vide'/'420f' 1280x 720, { 6- 60 fps}, fov:65.576, binned, supports vis, max zoom:61.88 (upscales @1.50), AF System:1, ISO:22.0-880.0, SS:0.000011-0.166667, supports wide color>
<AVCaptureDeviceFormat: 0x2800f1280 'vide'/'420v' 1280x 720, { 6-240 fps}, fov:65.576, binned, supports vis, max zoom:67.50 (upscales @1.50), AF System:1, ISO:22.0-880.0, SS:0.000011-0.166667>
<AVCaptureDeviceFormat: 0x2800f1270 'vide'/'420f' 1280x 720, { 6-240 fps}, fov:65.576, binned, supports vis, max zoom:67.50 (upscales @1.50), AF System:1, ISO:22.0-880.0, SS:0.000011-0.166667, supports wide color>
<AVCaptureDeviceFormat: 0x2800f1260 'vide'/'420v' 1440x1080, { 6- 60 fps}, HRSI:2016x1512, fov:60.302, binned, max zoom:94.50 (upscales @1.40), AF System:1, ISO:22.0-1760.0, SS:0.000011-0.166667>
<AVCaptureDeviceFormat: 0x2800f1250 'vide'/'420f' 1440x1080, { 6- 60 fps}, HRSI:2016x1512, fov:60.302, binned, max zoom:94.50 (upscales @1.40), AF System:1, ISO:22.0-1760.0, SS:0.000011-0.166667, supports wide color>
<AVCaptureDeviceFormat: 0x2800f1240 'vide'/'420v' 1920x1080, { 3- 30 fps}, HRSI:4224x2376, fov:65.576, supports vis, max zoom:16.00 (upscales @2.00), AF System:2, ISO:22.0-880.0, SS:0.000020-0.333333>
<AVCaptureDeviceFormat: 0x2800f1230 'vide'/'420f' 1920x1080, { 3- 30 fps}, HRSI:4224x2376, fov:65.576, supports vis, max zoom:16.00 (upscales @2.00), AF System:2, ISO:22.0-880.0, SS:0.000020-0.333333, supports wide color>
<AVCaptureDeviceFormat: 0x2800f1220 'vide'/'420v' 1920x1080, { 3- 60 fps}, HRSI:4224x2376, fov:65.576, supports vis, max zoom:16.00 (upscales @2.00), AF System:2, ISO:22.0-880.0, SS:0.000020-0.333333>
<AVCaptureDeviceFormat: 0x2800f1210 'vide'/'420f' 1920x1080, { 3- 60 fps}, HRSI:4224x2376, fov:65.576, supports vis, max zoom:16.00 (upscales @2.00), AF System:2, ISO:22.0-880.0, SS:0.000020-0.333333, supports wide color>
<AVCaptureDeviceFormat: 0x2800f1200 'vide'/'420v' 1920x1080, { 6- 60 fps}, fov:65.576, binned, supports vis, max zoom:67.50 (upscales @1.00), AF System:1, ISO:22.0-880.0, SS:0.000011-0.166667>
<AVCaptureDeviceFormat: 0x2800f11f0 'vide'/'420f' 1920x1080, { 6- 60 fps}, fov:65.576, binned, supports vis, max zoom:67.50 (upscales @1.00), AF System:1, ISO:22.0-880.0, SS:0.000011-0.166667, supports wide color>
<AVCaptureDeviceFormat: 0x2800f11e0 'vide'/'420v' 1920x1080, { 5-120 fps}, fov:65.576, supports vis, max zoom:135.00 (upscales @2.00), AF System:2, ISO:22.0-880.0, SS:0.000012-0.200000>
<AVCaptureDeviceFormat: 0x2800f11d0 'vide'/'420f' 1920x1080, { 5-120 fps}, fov:65.576, supports vis, max zoom:135.00 (upscales @2.00), AF System:2, ISO:22.0-880.0, SS:0.000012-0.200000, supports wide color>
<AVCaptureDeviceFormat: 0x2800f11b0 'vide'/'420v' 1920x1080, { 6-240 fps}, fov:65.576, binned, supports vis, max zoom:67.50 (upscales @1.00), AF System:1, ISO:22.0-880.0, SS:0.000011-0.166667>
<AVCaptureDeviceFormat: 0x2800f1180 'vide'/'420f' 1920x1080, { 6-240 fps}, fov:65.576, binned, supports vis, max zoom:67.50 (upscales @1.00), AF System:1, ISO:22.0-880.0, SS:0.000011-0.166667, supports wide color>
<AVCaptureDeviceFormat: 0x2800f1190 'vide'/'420v' 1920x1440, { 6- 60 fps}, HRSI:2016x1512, fov:62.595, binned, max zoom:94.50 (upscales @1.05), AF System:1, ISO:22.0-1760.0, SS:0.000011-0.166667>
<AVCaptureDeviceFormat: 0x2800f1170 'vide'/'420f' 1920x1440, { 6- 60 fps}, HRSI:2016x1512, fov:62.595, binned, max zoom:94.50 (upscales @1.05), AF System:1, ISO:22.0-1760.0, SS:0.000011-0.166667, supports wide color>
<AVCaptureDeviceFormat: 0x2800f15d0 'vide'/'420v' 2592x1936, { 3- 30 fps}, HRSI:4032x3024, fov:63.173, max zoom:189.00 (upscales @1.56), AF System:2, ISO:22.0-2112.0, SS:0.000020-0.333333>
<AVCaptureDeviceFormat: 0x2800f15e0 'vide'/'420f' 2592x1936, { 3- 30 fps}, HRSI:4032x3024, fov:63.173, max zoom:189.00 (upscales @1.56), AF System:2, ISO:22.0-2112.0, SS:0.000020-0.333333, supports wide color>
<AVCaptureDeviceFormat: 0x2800f15f0 'vide'/'420v' 3264x2448, { 3- 30 fps}, HRSI:4032x3024, fov:63.173, max zoom:189.00 (upscales @1.24), AF System:2, ISO:22.0-2112.0, SS:0.000020-0.333333>
<AVCaptureDeviceFormat: 0x2800f1600 'vide'/'420f' 3264x2448, { 3- 30 fps}, HRSI:4032x3024, fov:63.173, max zoom:189.00 (upscales @1.24), AF System:2, ISO:22.0-2112.0, SS:0.000020-0.333333, supports wide color>
<AVCaptureDeviceFormat: 0x2800f1610 'vide'/'420v' 3840x2160, { 3- 30 fps}, fov:65.576, supports vis, max zoom:9.00 (upscales @1.00), AF System:2, ISO:22.0-880.0, SS:0.000020-0.333333>
<AVCaptureDeviceFormat: 0x2800f1620 'vide'/'420f' 3840x2160, { 3- 30 fps}, fov:65.576, supports vis, max zoom:9.00 (upscales @1.00), AF System:2, ISO:22.0-880.0, SS:0.000020-0.333333, supports wide color>
<AVCaptureDeviceFormat: 0x2800f1630 'vide'/'420v' 3840x2160, { 3- 60 fps}, fov:65.576, supports vis, max zoom:135.00 (upscales @1.00), AF System:2, ISO:22.0-880.0, SS:0.000020-0.333333>
<AVCaptureDeviceFormat: 0x2800f1640 'vide'/'420f' 3840x2160, { 3- 60 fps}, fov:65.576, supports vis, max zoom:135.00 (upscales @1.00), AF System:2, ISO:22.0-880.0, SS:0.000020-0.333333, supports wide color>
<AVCaptureDeviceFormat: 0x2800f1650 'vide'/'420v' 4032x3024, { 3- 30 fps}, HRSI:4032x3024, fov:63.173, max zoom:189.00 (upscales @1.00), AF System:2, ISO:22.0-2112.0, SS:0.000020-0.333333>
<AVCaptureDeviceFormat: 0x2800f1660 'vide'/'420f' 4032x3024, { 3- 30 fps}, HRSI:4032x3024, fov:63.173, max zoom:189.00 (upscales @1.00), AF System:2, ISO:22.0-2112.0, SS:0.000020-0.333333, supports wide color>

Right now I select the one with the highest possible frame rate and then set the frame rate to 60 FPS. That's probably suboptimal since we can select a format with up to 60 FPS and high ISO, or resolution.

Once we figure out which parameters we care about, we can design a basic algorithm. For example something like: "From formats allowing 60FPS and ISO > 1000 choose the one with the highest FOV".
@suhlrich @antoinefalisse
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@kidzik