Java源码示例：android.media.MediaCodecInfo.VideoCapabilities
示例1
/**
* Whether the decoder supports video with a given width, height and frame rate.
*
* <p>Must not be called if the device SDK version is less than 21.
*
* @param width Width in pixels.
* @param height Height in pixels.
* @param frameRate Optional frame rate in frames per second. Ignored if set to {@link
* Format#NO_VALUE} or any value less than or equal to 0.
* @return Whether the decoder supports video with the given width, height and frame rate.
*/
@TargetApi(21)
public boolean isVideoSizeAndRateSupportedV21(int width, int height, double frameRate) {
if (capabilities == null) {
logNoSupport("sizeAndRate.caps");
return false;
}
VideoCapabilities videoCapabilities = capabilities.getVideoCapabilities();
if (videoCapabilities == null) {
logNoSupport("sizeAndRate.vCaps");
return false;
}
if (!areSizeAndRateSupportedV21(videoCapabilities, width, height, frameRate)) {
if (width >= height
|| !enableRotatedVerticalResolutionWorkaround(name)
|| !areSizeAndRateSupportedV21(videoCapabilities, height, width, frameRate)) {
logNoSupport("sizeAndRate.support, " + width + "x" + height + "x" + frameRate);
return false;
}
logAssumedSupport("sizeAndRate.rotated, " + width + "x" + height + "x" + frameRate);
}
return true;
}
示例2
@TargetApi(21)
private static boolean areSizeAndRateSupportedV21(VideoCapabilities capabilities, int width,
int height, double frameRate) {
// Don't ever fail due to alignment. See: https://github.com/google/ExoPlayer/issues/6551.
Point alignedSize = alignVideoSizeV21(capabilities, width, height);
width = alignedSize.x;
height = alignedSize.y;
if (frameRate == Format.NO_VALUE || frameRate <= 0) {
return capabilities.isSizeSupported(width, height);
} else {
// The signaled frame rate may be slightly higher than the actual frame rate, so we take the
// floor to avoid situations where a range check in areSizeAndRateSupported fails due to
// slightly exceeding the limits for a standard format (e.g., 1080p at 30 fps).
double floorFrameRate = Math.floor(frameRate);
return capabilities.areSizeAndRateSupported(width, height, floorFrameRate);
}
}
示例3
/**
* Whether the decoder supports video with a given width, height and frame rate.
* <p>
* Must not be called if the device SDK version is less than 21.
*
* @param width Width in pixels.
* @param height Height in pixels.
* @param frameRate Optional frame rate in frames per second. Ignored if set to
* {@link Format#NO_VALUE} or any value less than or equal to 0.
* @return Whether the decoder supports video with the given width, height and frame rate.
*/
@TargetApi(21)
public boolean isVideoSizeAndRateSupportedV21(int width, int height, double frameRate) {
if (capabilities == null) {
logNoSupport("sizeAndRate.caps");
return false;
}
VideoCapabilities videoCapabilities = capabilities.getVideoCapabilities();
if (videoCapabilities == null) {
logNoSupport("sizeAndRate.vCaps");
return false;
}
if (!areSizeAndRateSupportedV21(videoCapabilities, width, height, frameRate)) {
// Capabilities are known to be inaccurately reported for vertical resolutions on some devices
// (b/31387661). If the video is vertical and the capabilities indicate support if the width
// and height are swapped, we assume that the vertical resolution is also supported.
if (width >= height
|| !areSizeAndRateSupportedV21(videoCapabilities, height, width, frameRate)) {
logNoSupport("sizeAndRate.support, " + width + "x" + height + "x" + frameRate);
return false;
}
logAssumedSupport("sizeAndRate.rotated, " + width + "x" + height + "x" + frameRate);
}
return true;
}
示例4
/**
* Returns the smallest video size greater than or equal to a specified size that also satisfies
* the {@link MediaCodec}'s width and height alignment requirements.
* <p>
* Must not be called if the device SDK version is less than 21.
*
* @param width Width in pixels.
* @param height Height in pixels.
* @return The smallest video size greater than or equal to the specified size that also satisfies
* the {@link MediaCodec}'s width and height alignment requirements, or null if not a video
* codec.
*/
@TargetApi(21)
public Point alignVideoSizeV21(int width, int height) {
if (capabilities == null) {
logNoSupport("align.caps");
return null;
}
VideoCapabilities videoCapabilities = capabilities.getVideoCapabilities();
if (videoCapabilities == null) {
logNoSupport("align.vCaps");
return null;
}
int widthAlignment = videoCapabilities.getWidthAlignment();
int heightAlignment = videoCapabilities.getHeightAlignment();
return new Point(Util.ceilDivide(width, widthAlignment) * widthAlignment,
Util.ceilDivide(height, heightAlignment) * heightAlignment);
}
示例5
/**
* Whether the decoder supports video with a given width, height and frame rate.
* <p>
* Must not be called if the device SDK version is less than 21.
*
* @param width Width in pixels.
* @param height Height in pixels.
* @param frameRate Optional frame rate in frames per second. Ignored if set to
* {@link Format#NO_VALUE} or any value less than or equal to 0.
* @return Whether the decoder supports video with the given width, height and frame rate.
*/
@TargetApi(21)
public boolean isVideoSizeAndRateSupportedV21(int width, int height, double frameRate) {
if (capabilities == null) {
logNoSupport("sizeAndRate.caps");
return false;
}
VideoCapabilities videoCapabilities = capabilities.getVideoCapabilities();
if (videoCapabilities == null) {
logNoSupport("sizeAndRate.vCaps");
return false;
}
if (!areSizeAndRateSupportedV21(videoCapabilities, width, height, frameRate)) {
// Capabilities are known to be inaccurately reported for vertical resolutions on some devices
// (b/31387661). If the video is vertical and the capabilities indicate support if the width
// and height are swapped, we assume that the vertical resolution is also supported.
if (width >= height
|| !areSizeAndRateSupportedV21(videoCapabilities, height, width, frameRate)) {
logNoSupport("sizeAndRate.support, " + width + "x" + height + "x" + frameRate);
return false;
}
logAssumedSupport("sizeAndRate.rotated, " + width + "x" + height + "x" + frameRate);
}
return true;
}
示例6
/**
* Returns the smallest video size greater than or equal to a specified size that also satisfies
* the {@link MediaCodec}'s width and height alignment requirements.
* <p>
* Must not be called if the device SDK version is less than 21.
*
* @param width Width in pixels.
* @param height Height in pixels.
* @return The smallest video size greater than or equal to the specified size that also satisfies
* the {@link MediaCodec}'s width and height alignment requirements, or null if not a video
* codec.
*/
@TargetApi(21)
public Point alignVideoSizeV21(int width, int height) {
if (capabilities == null) {
logNoSupport("align.caps");
return null;
}
VideoCapabilities videoCapabilities = capabilities.getVideoCapabilities();
if (videoCapabilities == null) {
logNoSupport("align.vCaps");
return null;
}
int widthAlignment = videoCapabilities.getWidthAlignment();
int heightAlignment = videoCapabilities.getHeightAlignment();
return new Point(Util.ceilDivide(width, widthAlignment) * widthAlignment,
Util.ceilDivide(height, heightAlignment) * heightAlignment);
}
示例7
/**
* Whether the decoder supports video with a given width, height and frame rate.
* <p>
* Must not be called if the device SDK version is less than 21.
*
* @param width Width in pixels.
* @param height Height in pixels.
* @param frameRate Optional frame rate in frames per second. Ignored if set to
* {@link Format#NO_VALUE} or any value less than or equal to 0.
* @return Whether the decoder supports video with the given width, height and frame rate.
*/
@TargetApi(21)
public boolean isVideoSizeAndRateSupportedV21(int width, int height, double frameRate) {
if (capabilities == null) {
logNoSupport("sizeAndRate.caps");
return false;
}
VideoCapabilities videoCapabilities = capabilities.getVideoCapabilities();
if (videoCapabilities == null) {
logNoSupport("sizeAndRate.vCaps");
return false;
}
if (!areSizeAndRateSupported(videoCapabilities, width, height, frameRate)) {
// Capabilities are known to be inaccurately reported for vertical resolutions on some devices
// (b/31387661). If the video is vertical and the capabilities indicate support if the width
// and height are swapped, we assume that the vertical resolution is also supported.
if (width >= height
|| !areSizeAndRateSupported(videoCapabilities, height, width, frameRate)) {
logNoSupport("sizeAndRate.support, " + width + "x" + height + "x" + frameRate);
return false;
}
logAssumedSupport("sizeAndRate.rotated, " + width + "x" + height + "x" + frameRate);
}
return true;
}
示例8
/**
* Returns the smallest video size greater than or equal to a specified size that also satisfies
* the {@link MediaCodec}'s width and height alignment requirements.
* <p>
* Must not be called if the device SDK version is less than 21.
*
* @param width Width in pixels.
* @param height Height in pixels.
* @return The smallest video size greater than or equal to the specified size that also satisfies
* the {@link MediaCodec}'s width and height alignment requirements, or null if not a video
* codec.
*/
@TargetApi(21)
public Point alignVideoSizeV21(int width, int height) {
if (capabilities == null) {
logNoSupport("align.caps");
return null;
}
VideoCapabilities videoCapabilities = capabilities.getVideoCapabilities();
if (videoCapabilities == null) {
logNoSupport("align.vCaps");
return null;
}
int widthAlignment = videoCapabilities.getWidthAlignment();
int heightAlignment = videoCapabilities.getHeightAlignment();
return new Point(Util.ceilDivide(width, widthAlignment) * widthAlignment,
Util.ceilDivide(height, heightAlignment) * heightAlignment);
}
示例9
/**
* Needed on M and older to get correct information about VP9 support.
* @param profileLevels The CodecProfileLevelList to add supported profile levels to.
* @param videoCapabilities The MediaCodecInfo.VideoCapabilities used to infer support.
*/
@TargetApi(Build.VERSION_CODES.LOLLIPOP)
private static void addVp9CodecProfileLevels(CodecProfileLevelList profileLevels,
MediaCodecInfo.CodecCapabilities codecCapabilities) {
// https://www.webmproject.org/vp9/levels
final int[][] bitrateMapping = {
{200, 10}, {800, 11}, {1800, 20}, {3600, 21}, {7200, 30}, {12000, 31}, {18000, 40},
{30000, 41}, {60000, 50}, {120000, 51}, {180000, 52},
};
VideoCapabilities videoCapabilities = codecCapabilities.getVideoCapabilities();
for (int[] entry : bitrateMapping) {
int bitrate = entry[0];
int level = entry[1];
if (videoCapabilities.getBitrateRange().contains(bitrate)) {
// Assume all platforms before N only support VP9 profile 0.
profileLevels.addCodecProfileLevel(
VideoCodec.CODEC_VP9, VideoCodecProfile.VP9PROFILE_PROFILE0, level);
}
}
}
示例10
/**
* Whether the decoder supports video with a given width, height and frame rate.
* <p>
* Must not be called if the device SDK version is less than 21.
*
* @param width Width in pixels.
* @param height Height in pixels.
* @param frameRate Optional frame rate in frames per second. Ignored if set to
* {@link Format#NO_VALUE} or any value less than or equal to 0.
* @return Whether the decoder supports video with the given width, height and frame rate.
*/
@TargetApi(21)
public boolean isVideoSizeAndRateSupportedV21(int width, int height, double frameRate) {
if (capabilities == null) {
logNoSupport("sizeAndRate.caps");
return false;
}
VideoCapabilities videoCapabilities = capabilities.getVideoCapabilities();
if (videoCapabilities == null) {
logNoSupport("sizeAndRate.vCaps");
return false;
}
if (!areSizeAndRateSupportedV21(videoCapabilities, width, height, frameRate)) {
// Capabilities are known to be inaccurately reported for vertical resolutions on some devices
// (b/31387661). If the video is vertical and the capabilities indicate support if the width
// and height are swapped, we assume that the vertical resolution is also supported.
if (width >= height
|| !areSizeAndRateSupportedV21(videoCapabilities, height, width, frameRate)) {
logNoSupport("sizeAndRate.support, " + width + "x" + height + "x" + frameRate);
return false;
}
logAssumedSupport("sizeAndRate.rotated, " + width + "x" + height + "x" + frameRate);
}
return true;
}
示例11
@TargetApi(21)
private static boolean areSizeAndRateSupportedV21(VideoCapabilities capabilities, int width,
int height, double frameRate) {
// Don't ever fail due to alignment. See: https://github.com/google/ExoPlayer/issues/6551.
Point alignedSize = alignVideoSizeV21(capabilities, width, height);
width = alignedSize.x;
height = alignedSize.y;
if (frameRate == Format.NO_VALUE || frameRate <= 0) {
return capabilities.isSizeSupported(width, height);
} else {
// The signaled frame rate may be slightly higher than the actual frame rate, so we take the
// floor to avoid situations where a range check in areSizeAndRateSupported fails due to
// slightly exceeding the limits for a standard format (e.g., 1080p at 30 fps).
double floorFrameRate = Math.floor(frameRate);
return capabilities.areSizeAndRateSupported(width, height, floorFrameRate);
}
}
示例12
/**
* Whether the decoder supports video with a given width, height and frame rate.
* <p>
* Must not be called if the device SDK version is less than 21.
*
* @param width Width in pixels.
* @param height Height in pixels.
* @param frameRate Optional frame rate in frames per second. Ignored if set to
* {@link Format#NO_VALUE} or any value less than or equal to 0.
* @return Whether the decoder supports video with the given width, height and frame rate.
*/
@TargetApi(21)
public boolean isVideoSizeAndRateSupportedV21(int width, int height, double frameRate) {
if (capabilities == null) {
logNoSupport("sizeAndRate.caps");
return false;
}
VideoCapabilities videoCapabilities = capabilities.getVideoCapabilities();
if (videoCapabilities == null) {
logNoSupport("sizeAndRate.vCaps");
return false;
}
if (!areSizeAndRateSupportedV21(videoCapabilities, width, height, frameRate)) {
// Capabilities are known to be inaccurately reported for vertical resolutions on some devices
// (b/31387661). If the video is vertical and the capabilities indicate support if the width
// and height are swapped, we assume that the vertical resolution is also supported.
if (width >= height
|| !areSizeAndRateSupportedV21(videoCapabilities, height, width, frameRate)) {
logNoSupport("sizeAndRate.support, " + width + "x" + height + "x" + frameRate);
return false;
}
logAssumedSupport("sizeAndRate.rotated, " + width + "x" + height + "x" + frameRate);
}
return true;
}
示例13
@TargetApi(21)
private static boolean areSizeAndRateSupportedV21(VideoCapabilities capabilities, int width,
int height, double frameRate) {
// Don't ever fail due to alignment. See: https://github.com/google/ExoPlayer/issues/6551.
Point alignedSize = alignVideoSizeV21(capabilities, width, height);
width = alignedSize.x;
height = alignedSize.y;
if (frameRate == Format.NO_VALUE || frameRate <= 0) {
return capabilities.isSizeSupported(width, height);
} else {
// The signaled frame rate may be slightly higher than the actual frame rate, so we take the
// floor to avoid situations where a range check in areSizeAndRateSupported fails due to
// slightly exceeding the limits for a standard format (e.g., 1080p at 30 fps).
double floorFrameRate = Math.floor(frameRate);
return capabilities.areSizeAndRateSupported(width, height, floorFrameRate);
}
}
示例14
@TargetApi(21)
private static Point alignVideoSizeV21(VideoCapabilities capabilities, int width, int height) {
int widthAlignment = capabilities.getWidthAlignment();
int heightAlignment = capabilities.getHeightAlignment();
return new Point(
Util.ceilDivide(width, widthAlignment) * widthAlignment,
Util.ceilDivide(height, heightAlignment) * heightAlignment);
}
示例15
@TargetApi(21)
private static boolean areSizeAndRateSupportedV21(VideoCapabilities capabilities, int width,
int height, double frameRate) {
return frameRate == Format.NO_VALUE || frameRate <= 0
? capabilities.isSizeSupported(width, height)
: capabilities.areSizeAndRateSupported(width, height, frameRate);
}
示例16
@TargetApi(21)
private static boolean areSizeAndRateSupportedV21(VideoCapabilities capabilities, int width,
int height, double frameRate) {
return frameRate == Format.NO_VALUE || frameRate <= 0
? capabilities.isSizeSupported(width, height)
: capabilities.areSizeAndRateSupported(width, height, frameRate);
}
示例17
@TargetApi(21)
private static boolean areSizeAndRateSupported(VideoCapabilities capabilities, int width,
int height, double frameRate) {
return frameRate == Format.NO_VALUE || frameRate <= 0
? capabilities.isSizeSupported(width, height)
: capabilities.areSizeAndRateSupported(width, height, frameRate);
}
示例18
@TargetApi(21)
private static Point alignVideoSizeV21(VideoCapabilities capabilities, int width, int height) {
int widthAlignment = capabilities.getWidthAlignment();
int heightAlignment = capabilities.getHeightAlignment();
return new Point(
Util.ceilDivide(width, widthAlignment) * widthAlignment,
Util.ceilDivide(height, heightAlignment) * heightAlignment);
}
示例19
@TargetApi(21)
private static Point alignVideoSizeV21(VideoCapabilities capabilities, int width, int height) {
int widthAlignment = capabilities.getWidthAlignment();
int heightAlignment = capabilities.getHeightAlignment();
return new Point(
Util.ceilDivide(width, widthAlignment) * widthAlignment,
Util.ceilDivide(height, heightAlignment) * heightAlignment);
}
示例20
/**
* Returns the smallest video size greater than or equal to a specified size that also satisfies
* the {@link MediaCodec}'s width and height alignment requirements.
* <p>
* Must not be called if the device SDK version is less than 21.
*
* @param width Width in pixels.
* @param height Height in pixels.
* @return The smallest video size greater than or equal to the specified size that also satisfies
* the {@link MediaCodec}'s width and height alignment requirements, or null if not a video
* codec.
*/
@TargetApi(21)
public Point alignVideoSizeV21(int width, int height) {
if (capabilities == null) {
return null;
}
VideoCapabilities videoCapabilities = capabilities.getVideoCapabilities();
if (videoCapabilities == null) {
return null;
}
return alignVideoSizeV21(videoCapabilities, width, height);
}
示例21
/**
* Returns the smallest video size greater than or equal to a specified size that also satisfies
* the {@link MediaCodec}'s width and height alignment requirements.
* <p>
* Must not be called if the device SDK version is less than 21.
*
* @param width Width in pixels.
* @param height Height in pixels.
* @return The smallest video size greater than or equal to the specified size that also satisfies
* the {@link MediaCodec}'s width and height alignment requirements, or null if not a video
* codec.
*/
@TargetApi(21)
public Point alignVideoSizeV21(int width, int height) {
if (capabilities == null) {
return null;
}
VideoCapabilities videoCapabilities = capabilities.getVideoCapabilities();
if (videoCapabilities == null) {
return null;
}
return alignVideoSizeV21(videoCapabilities, width, height);
}
示例22
/**
* Returns the smallest video size greater than or equal to a specified size that also satisfies
* the {@link MediaCodec}'s width and height alignment requirements.
* <p>
* Must not be called if the device SDK version is less than 21.
*
* @param width Width in pixels.
* @param height Height in pixels.
* @return The smallest video size greater than or equal to the specified size that also satisfies
* the {@link MediaCodec}'s width and height alignment requirements, or null if not a video
* codec.
*/
@TargetApi(21)
public Point alignVideoSizeV21(int width, int height) {
if (capabilities == null) {
return null;
}
VideoCapabilities videoCapabilities = capabilities.getVideoCapabilities();
if (videoCapabilities == null) {
return null;
}
return alignVideoSizeV21(videoCapabilities, width, height);
}
