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Summary: Nested Classes | Methods | Inherited Methods

# MediaCodecInfo.VideoCapabilities

`public static final class MediaCodecInfo.VideoCapabilities`
`extends Object` ``

java.lang.Object
↳ | android.media.MediaCodecInfo.VideoCapabilities

A class that supports querying the video capabilities of a codec.

## Summary

### Nested classes
`class` | `MediaCodecInfo.VideoCapabilities.PerformancePoint` Video performance points are a set of standard performance points defined by number of pixels, pixel rate and frame rate.

### Public methods
`boolean` | `areSizeAndRateSupported(int width, int height, double frameRate)` Returns whether a given video size (`width` and `height`) and `frameRate` combination is supported.
`Range<Double>` | `getAchievableFrameRatesFor(int width, int height)` Returns the range of achievable video frame rates for a video size.
`Range<Integer>` | `getBitrateRange()` Returns the range of supported bitrates in bits/second.
`int` | `getHeightAlignment()` Returns the alignment requirement for video height (in pixels).
`Range<Integer>` | `getSupportedFrameRates()` Returns the range of supported frame rates.
`Range<Double>` | `getSupportedFrameRatesFor(int width, int height)` Returns the range of supported video frame rates for a video size.
`Range<Integer>` | `getSupportedHeights()` Returns the range of supported video heights.
`Range<Integer>` | `getSupportedHeightsFor(int width)` Returns the range of supported video heights for a video width
`List<MediaCodecInfo.VideoCapabilities.PerformancePoint>` | `getSupportedPerformancePoints()` Returns the supported performance points.
`Range<Integer>` | `getSupportedWidths()` Returns the range of supported video widths.
`Range<Integer>` | `getSupportedWidthsFor(int height)` Returns the range of supported video widths for a video height.
`int` | `getWidthAlignment()` Returns the alignment requirement for video width (in pixels).
`boolean` | `isSizeSupported(int width, int height)` Returns whether a given video size (`width` and `height`) is supported.

### Inherited methods
From class `java.lang.Object`
`Object` | `clone()` Creates and returns a copy of this object.
`boolean` | `equals(Object obj)` Indicates whether some other object is "equal to" this one.
`void` | `finalize()` Called by the garbage collector on an object when garbage collection determines that there are no more references to the object.
`final Class<?>` | `getClass()` Returns the runtime class of this `Object`.
`int` | `hashCode()` Returns a hash code value for the object.
`final void` | `notify()` Wakes up a single thread that is waiting on this object's monitor.
`final void` | `notifyAll()` Wakes up all threads that are waiting on this object's monitor.
`String` | `toString()` Returns a string representation of the object.
`final void` | `wait(long timeout, int nanos)` Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object, or some other thread interrupts the current thread, or a certain amount of real time has elapsed.
`final void` | `wait(long timeout)` Causes the current thread to wait until either another thread invokes the `notify()` method or the `notifyAll()` method for this object, or a specified amount of time has elapsed.
`final void` | `wait()` Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object.

## Public methods

### areSizeAndRateSupported

    public boolean areSizeAndRateSupported (int width,
                    int height,
                    double frameRate)

Returns whether a given video size (`width` and `height`) and `frameRate` combination is supported.

Parameters
`width` | `int`
`height` | `int`
`frameRate` | `double`

Returns
`boolean` |

### getAchievableFrameRatesFor

    public Range<Double> getAchievableFrameRatesFor (int width,
                    int height)

Returns the range of achievable video frame rates for a video size. May return `null`, if the codec did not publish any measurement data.

This is a performance estimate provided by the device manufacturer based on statistical sampling of full-speed decoding and encoding measurements in various configurations of common video sizes supported by the codec. As such it should only be used to compare individual codecs on the device. The value is not suitable for comparing different devices or even different android releases for the same device.

On `Build.VERSION_CODES.M` release the returned range corresponds to the fastest frame rates achieved in the tested configurations. As such, it should not be used to gauge guaranteed or even average codec performance on the device.

On `Build.VERSION_CODES.N` release the returned range corresponds closer to sustained performance in tested configurations. One can expect to achieve sustained performance higher than the lower limit more than 50% of the time, and higher than half of the lower limit at least 90% of the time in tested configurations. Conversely, one can expect performance lower than twice the upper limit at least 90% of the time.

Tested configurations use a single active codec. For use cases where multiple codecs are active, applications can expect lower and in most cases significantly lower performance.

The returned range value is interpolated from the nearest frame size(s) tested. Codec performance is severely impacted by other activity on the device as well as environmental factors (such as battery level, temperature or power source), and can vary significantly even in a steady environment.

Use this method in cases where only codec performance matters, e.g. to evaluate if a codec has any chance of meeting a performance target. Codecs are listed in `MediaCodecList` in the preferred order as defined by the device manufacturer. As such, applications should use the first suitable codec in the list to achieve the best balance between power use and performance.

Parameters
`width` | `int`: the width of the video
`height` | `int`: the height of the video

Returns
`Range<Double>` |

Throws
`IllegalArgumentException` | if the video size is not supported.

### getBitrateRange

    public Range<Integer> getBitrateRange ()

Returns the range of supported bitrates in bits/second.

Returns
`Range<Integer>` |

### getHeightAlignment

    public int getHeightAlignment ()

Returns the alignment requirement for video height (in pixels). This is a power-of-2 value that video height must be a multiple of.

Returns
`int` |

### getSupportedFrameRates

    public Range<Integer> getSupportedFrameRates ()

Returns the range of supported frame rates.

This is not a performance indicator. Rather, it expresses the limits specified in the coding standard, based on the complexities of encoding material for later playback at a certain frame rate, or the decoding of such material in non-realtime.

Returns
`Range<Integer>` |

### getSupportedFrameRatesFor

    public Range<Double> getSupportedFrameRatesFor (int width,
                    int height)

Returns the range of supported video frame rates for a video size.

This is not a performance indicator. Rather, it expresses the limits specified in the coding standard, based on the complexities of encoding material of a given size for later playback at a certain frame rate, or the decoding of such material in non-realtime.

Parameters
`width` | `int`: the width of the video
`height` | `int`: the height of the video

Returns
`Range<Double>` |

### getSupportedHeights

    public Range<Integer> getSupportedHeights ()

Returns the range of supported video heights.

Returns
`Range<Integer>` |

### getSupportedHeightsFor

    public Range<Integer> getSupportedHeightsFor (int width)

Returns the range of supported video heights for a video width

Parameters
`width` | `int`: the width of the video

Returns
`Range<Integer>` |

### getSupportedPerformancePoints

    public List<MediaCodecInfo.VideoCapabilities.PerformancePoint> getSupportedPerformancePoints ()

Returns the supported performance points. May return `null` if the codec did not publish any performance point information (e.g. the vendor codecs have not been updated to the latest android release). May return an empty list if the codec published that if does not guarantee any performance points.

This is a performance guarantee provided by the device manufacturer for hardware codecs based on hardware capabilities of the device.

The returned list is sorted first by decreasing number of pixels, then by decreasing width, and finally by decreasing frame rate. Performance points assume a single active codec. For use cases where multiple codecs are active, should use that highest pixel count, and add the frame rates of each individual codec.

Returns
`List<MediaCodecInfo.VideoCapabilities.PerformancePoint>` |

### getSupportedWidths

    public Range<Integer> getSupportedWidths ()

Returns the range of supported video widths.

Returns
`Range<Integer>` |

### getSupportedWidthsFor

    public Range<Integer> getSupportedWidthsFor (int height)

Returns the range of supported video widths for a video height.

Parameters
`height` | `int`: the height of the video

Returns
`Range<Integer>` |

### getWidthAlignment

    public int getWidthAlignment ()

Returns the alignment requirement for video width (in pixels). This is a power-of-2 value that video width must be a multiple of.

Returns
`int` |

### isSizeSupported

    public boolean isSizeSupported (int width,
                    int height)

Returns whether a given video size (`width` and `height`) is supported.

Parameters
`width` | `int`
`height` | `int`

Returns
`boolean` |

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