Class MediaCodecInfo
- java.lang.Object
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- com.google.android.exoplayer2.mediacodec.MediaCodecInfo
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public final class MediaCodecInfo extends Object
Information about aMediaCodec
for a given mime type.
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Field Summary
Fields Modifier and Type Field Description boolean
adaptive
Whether the decoder supports seamless resolution switches.MediaCodecInfo.CodecCapabilities
capabilities
The capabilities of the decoder, like the profiles/levels it supports, ornull
if not known.String
codecMimeType
The MIME type that the codec uses for media of typemimeType
.boolean
hardwareAccelerated
Whether the codec is hardware accelerated.static int
MAX_SUPPORTED_INSTANCES_UNKNOWN
The value returned bygetMaxSupportedInstances()
if the upper bound on the maximum number of supported instances is unknown.String
mimeType
The MIME type handled by the codec.String
name
The name of the decoder.boolean
secure
Whether the decoder is secure.boolean
softwareOnly
Whether the codec is software only.static String
TAG
boolean
tunneling
Whether the decoder supports tunneling.boolean
vendor
Whether the codec is from the vendor.
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Method Summary
All Methods Static Methods Instance Methods Concrete Methods Deprecated Methods Modifier and Type Method Description Point
alignVideoSizeV21(int width, int height)
Returns the smallest video size greater than or equal to a specified size that also satisfies theMediaCodec
's width and height alignment requirements.DecoderReuseEvaluation
canReuseCodec(Format oldFormat, Format newFormat)
Evaluates whether it's possible to reuse an instance of this decoder that's currently decodingoldFormat
to decodenewFormat
instead.int
getMaxSupportedInstances()
Returns an upper bound on the maximum number of supported instances, orMAX_SUPPORTED_INSTANCES_UNKNOWN
if unknown.MediaCodecInfo.CodecProfileLevel[]
getProfileLevels()
The profile levels supported by the decoder.boolean
isAudioChannelCountSupportedV21(int channelCount)
Whether the decoder supports audio with a given channel count.boolean
isAudioSampleRateSupportedV21(int sampleRate)
Whether the decoder supports audio with a given sample rate.boolean
isCodecSupported(Format format)
Whether the decoder supports the codec of the givenformat
.boolean
isFormatSupported(Format format)
Returns whether the decoder may support decoding the givenformat
.boolean
isHdr10PlusOutOfBandMetadataSupported()
Whether the codec handles HDR10+ out-of-band metadata.boolean
isSeamlessAdaptationSupported(Format format)
Returns whether it may be possible to adapt an instance of this decoder to playing a different format when the codec is configured to play media in the specifiedformat
.boolean
isSeamlessAdaptationSupported(Format oldFormat, Format newFormat, boolean isNewFormatComplete)
boolean
isVideoSizeAndRateSupportedV21(int width, int height, double frameRate)
Whether the decoder supports video with a given width, height and frame rate.static MediaCodecInfo
newInstance(String name, String mimeType, String codecMimeType, MediaCodecInfo.CodecCapabilities capabilities, boolean hardwareAccelerated, boolean softwareOnly, boolean vendor, boolean forceDisableAdaptive, boolean forceSecure)
Creates an instance.String
toString()
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Field Detail
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TAG
public static final String TAG
- See Also:
- Constant Field Values
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MAX_SUPPORTED_INSTANCES_UNKNOWN
public static final int MAX_SUPPORTED_INSTANCES_UNKNOWN
The value returned bygetMaxSupportedInstances()
if the upper bound on the maximum number of supported instances is unknown.- See Also:
- Constant Field Values
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name
public final String name
The name of the decoder.May be passed to
MediaCodec.createByCodecName(String)
to create an instance of the decoder.
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mimeType
public final String mimeType
The MIME type handled by the codec.
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codecMimeType
public final String codecMimeType
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capabilities
@Nullable public final MediaCodecInfo.CodecCapabilities capabilities
The capabilities of the decoder, like the profiles/levels it supports, ornull
if not known.
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adaptive
public final boolean adaptive
Whether the decoder supports seamless resolution switches.
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tunneling
public final boolean tunneling
Whether the decoder supports tunneling.
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secure
public final boolean secure
Whether the decoder is secure.
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hardwareAccelerated
public final boolean hardwareAccelerated
Whether the codec is hardware accelerated.This could be an approximation as the exact information is only provided in API levels 29+.
- See Also:
MediaCodecInfo.isHardwareAccelerated()
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softwareOnly
public final boolean softwareOnly
Whether the codec is software only.This could be an approximation as the exact information is only provided in API levels 29+.
- See Also:
MediaCodecInfo.isSoftwareOnly()
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vendor
public final boolean vendor
Whether the codec is from the vendor.This could be an approximation as the exact information is only provided in API levels 29+.
- See Also:
MediaCodecInfo.isVendor()
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Method Detail
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newInstance
public static MediaCodecInfo newInstance(String name, String mimeType, String codecMimeType, @Nullable MediaCodecInfo.CodecCapabilities capabilities, boolean hardwareAccelerated, boolean softwareOnly, boolean vendor, boolean forceDisableAdaptive, boolean forceSecure)
Creates an instance.- Parameters:
name
- The name of theMediaCodec
.mimeType
- A mime type supported by theMediaCodec
.codecMimeType
- The MIME type that the codec uses for media of type#mimeType
. Equal tomimeType
unless the codec is known to use a non-standard MIME type alias.capabilities
- The capabilities of theMediaCodec
for the specified mime type, ornull
if not known.hardwareAccelerated
- Whether theMediaCodec
is hardware accelerated.softwareOnly
- Whether theMediaCodec
is software only.vendor
- Whether theMediaCodec
is provided by the vendor.forceDisableAdaptive
- Whetheradaptive
should be forced tofalse
.forceSecure
- Whethersecure
should be forced totrue
.- Returns:
- The created instance.
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getProfileLevels
public MediaCodecInfo.CodecProfileLevel[] getProfileLevels()
The profile levels supported by the decoder.- Returns:
- The profile levels supported by the decoder.
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getMaxSupportedInstances
public int getMaxSupportedInstances()
Returns an upper bound on the maximum number of supported instances, orMAX_SUPPORTED_INSTANCES_UNKNOWN
if unknown. Applications should not expect to operate more instances than the returned maximum.
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isFormatSupported
public boolean isFormatSupported(Format format) throws MediaCodecUtil.DecoderQueryException
Returns whether the decoder may support decoding the givenformat
.- Parameters:
format
- The input media format.- Returns:
- Whether the decoder may support decoding the given
format
. - Throws:
MediaCodecUtil.DecoderQueryException
- Thrown if an error occurs while querying decoders.
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isCodecSupported
public boolean isCodecSupported(Format format)
Whether the decoder supports the codec of the givenformat
. If there is insufficient information to decide, returns true.- Parameters:
format
- The input media format.- Returns:
- True if the codec of the given
format
is supported by the decoder.
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isHdr10PlusOutOfBandMetadataSupported
public boolean isHdr10PlusOutOfBandMetadataSupported()
Whether the codec handles HDR10+ out-of-band metadata.
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isSeamlessAdaptationSupported
public boolean isSeamlessAdaptationSupported(Format format)
Returns whether it may be possible to adapt an instance of this decoder to playing a different format when the codec is configured to play media in the specifiedformat
.For adaptation to succeed, the codec must also be configured with appropriate maximum values and
isSeamlessAdaptationSupported(Format, Format, boolean)
must returntrue
for the old/new formats.- Parameters:
format
- The format of media for which the decoder will be configured.- Returns:
- Whether adaptation may be possible
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isSeamlessAdaptationSupported
@Deprecated public boolean isSeamlessAdaptationSupported(Format oldFormat, Format newFormat, boolean isNewFormatComplete)
Deprecated.Returns whether it is possible to adapt an instance of this decoder seamlessly fromoldFormat
tonewFormat
. IfnewFormat
may not be completely populated, passfalse
forisNewFormatComplete
.For adaptation to succeed, the codec must also be configured with maximum values that are compatible with the new format.
- Parameters:
oldFormat
- The format being decoded.newFormat
- The new format.isNewFormatComplete
- WhethernewFormat
is populated with format-specific metadata.- Returns:
- Whether it is possible to adapt the decoder seamlessly.
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canReuseCodec
public DecoderReuseEvaluation canReuseCodec(Format oldFormat, Format newFormat)
Evaluates whether it's possible to reuse an instance of this decoder that's currently decodingoldFormat
to decodenewFormat
instead.For adaptation to succeed, the codec must also be configured with maximum values that are compatible with the new format.
- Parameters:
oldFormat
- The format being decoded.newFormat
- The new format.- Returns:
- The result of the evaluation.
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isVideoSizeAndRateSupportedV21
@RequiresApi(21) public boolean isVideoSizeAndRateSupportedV21(int width, int height, double frameRate)
Whether the decoder supports video with a given width, height and frame rate.Must not be called if the device SDK version is less than 21.
- Parameters:
width
- Width in pixels.height
- Height in pixels.frameRate
- Optional frame rate in frames per second. Ignored if set toFormat.NO_VALUE
or any value less than or equal to 0.- Returns:
- Whether the decoder supports video with the given width, height and frame rate.
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alignVideoSizeV21
@Nullable @RequiresApi(21) public Point alignVideoSizeV21(int width, int height)
Returns the smallest video size greater than or equal to a specified size that also satisfies theMediaCodec
's width and height alignment requirements.Must not be called if the device SDK version is less than 21.
- Parameters:
width
- Width in pixels.height
- Height in pixels.- Returns:
- The smallest video size greater than or equal to the specified size that also satisfies
the
MediaCodec
's width and height alignment requirements, or null if not a video codec.
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isAudioSampleRateSupportedV21
@RequiresApi(21) public boolean isAudioSampleRateSupportedV21(int sampleRate)
Whether the decoder supports audio with a given sample rate.Must not be called if the device SDK version is less than 21.
- Parameters:
sampleRate
- The sample rate in Hz.- Returns:
- Whether the decoder supports audio with the given sample rate.
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isAudioChannelCountSupportedV21
@RequiresApi(21) public boolean isAudioChannelCountSupportedV21(int channelCount)
Whether the decoder supports audio with a given channel count.Must not be called if the device SDK version is less than 21.
- Parameters:
channelCount
- The channel count.- Returns:
- Whether the decoder supports audio with the given channel count.
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