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Merge "Camera: Relax BURST_CAPTURE FPS requirements" into qt-dev

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This commit is contained in:
TreeHugger Robot
2019-04-24 01:19:09 +00:00
committed by Android (Google) Code Review
parent a35c2f1224 062c22ba60
commit b9177522ff
2 changed files with 12 additions and 9 deletions
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15
core/java/android/hardware/camera2/CameraMetadata.java
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@@ -609,16 +609,17 @@ public abstract class CameraMetadata<TKey> {
/**
* <p>The camera device supports capturing high-resolution images at &gt;= 20 frames per
* second, in at least the uncompressed YUV format, when post-processing settings are set
* to FAST. Additionally, maximum-resolution images can be captured at &gt;= 10 frames
* per second. Here, 'high resolution' means at least 8 megapixels, or the maximum
* resolution of the device, whichever is smaller.</p>
* second, in at least the uncompressed YUV format, when post-processing settings are
* set to FAST. Additionally, all image resolutions less than 24 megapixels can be
* captured at &gt;= 10 frames per second. Here, 'high resolution' means at least 8
* megapixels, or the maximum resolution of the device, whichever is smaller.</p>
* <p>More specifically, this means that a size matching the camera device's active array
* size is listed as a supported size for the {@link android.graphics.ImageFormat#YUV_420_888 } format in either {@link android.hardware.camera2.params.StreamConfigurationMap#getOutputSizes } or {@link android.hardware.camera2.params.StreamConfigurationMap#getHighResolutionOutputSizes },
* with a minimum frame duration for that format and size of either &lt;= 1/20 s, or
* &lt;= 1/10 s, respectively; and the {@link CameraCharacteristics#CONTROL_AE_AVAILABLE_TARGET_FPS_RANGES android.control.aeAvailableTargetFpsRanges} entry
* lists at least one FPS range where the minimum FPS is &gt;= 1 / minimumFrameDuration
* for the maximum-size YUV_420_888 format. If that maximum size is listed in {@link android.hardware.camera2.params.StreamConfigurationMap#getHighResolutionOutputSizes },
* &lt;= 1/10 s if the image size is less than 24 megapixels, respectively; and
* the {@link CameraCharacteristics#CONTROL_AE_AVAILABLE_TARGET_FPS_RANGES android.control.aeAvailableTargetFpsRanges} entry lists at least one FPS range
* where the minimum FPS is &gt;= 1 / minimumFrameDuration for the maximum-size
* YUV_420_888 format. If that maximum size is listed in {@link android.hardware.camera2.params.StreamConfigurationMap#getHighResolutionOutputSizes },
* then the list of resolutions for YUV_420_888 from {@link android.hardware.camera2.params.StreamConfigurationMap#getOutputSizes } contains at
* least one resolution &gt;= 8 megapixels, with a minimum frame duration of &lt;= 1/20
* s.</p>

6
core/java/android/hardware/camera2/params/StreamConfigurationMap.java
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@@ -838,8 +838,10 @@ public final class StreamConfigurationMap {
* {@link android.hardware.camera2.CameraCharacteristics#REQUEST_AVAILABLE_CAPABILITIES_BURST_CAPTURE BURST_CAPTURE}
* capability. This does not include the stall duration, so for example, a JPEG or RAW16 output
* resolution with a large stall duration but a minimum frame duration that's above 20 fps will
* still be listed in the regular {@link #getOutputSizes} list. All the sizes on this list are
* still guaranteed to operate at a rate of at least 10 fps, not including stall duration.</p>
* still be listed in the regular {@link #getOutputSizes} list. All the sizes on this list that
* are less than 24 megapixels are still guaranteed to operate at a rate of at least 10 fps,
* not including stall duration. Sizes on this list that are at least 24 megapixels are allowed
* to operate at less than 10 fps.</p>
*
* <p>For a device that does not support the BURST_CAPTURE capability, this list will be
* {@code null}, since resolutions in the {@link #getOutputSizes} list are already not