Class RtpPayloadFormat
- java.lang.Object
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- com.google.android.exoplayer2.source.rtsp.RtpPayloadFormat
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public final class RtpPayloadFormat extends Object
Represents the payload format used in RTP.In RTSP playback, the format information is always present in the
SessionDescription
enclosed in the response of a DESCRIBE request. Within each track'sMediaDescription
, it is the attributes FMTP and RTPMAP that allows us to recreate the media format.This class wraps around the
Format
class, in addition to the instance fields that are specific to RTP.
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Field Summary
Fields Modifier and Type Field Description int
clockRate
The clock rate in Hertz, associated with the format.ImmutableMap<String,String>
fmtpParameters
The format parameters, mapped from the SDP FMTP attribute (RFC2327 Page 22).Format
format
TheFormat
of this RTP payload.int
rtpPayloadType
The payload type associated with this format.
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Constructor Summary
Constructors Constructor Description RtpPayloadFormat(Format format, int rtpPayloadType, int clockRate, Map<String,String> fmtpParameters)
Creates a new instance.
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Method Summary
All Methods Static Methods Instance Methods Concrete Methods Modifier and Type Method Description boolean
equals(Object o)
static String
getMimeTypeFromRtpMediaType(String mediaType)
Gets the MIME type that is associated with the RTP media type.int
hashCode()
static boolean
isFormatSupported(com.google.android.exoplayer2.source.rtsp.MediaDescription mediaDescription)
Returns whether the format of aMediaDescription
is supported.
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Field Detail
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rtpPayloadType
public final int rtpPayloadType
The payload type associated with this format.
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clockRate
public final int clockRate
The clock rate in Hertz, associated with the format.
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fmtpParameters
public final ImmutableMap<String,String> fmtpParameters
The format parameters, mapped from the SDP FMTP attribute (RFC2327 Page 22).
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Constructor Detail
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RtpPayloadFormat
public RtpPayloadFormat(Format format, int rtpPayloadType, int clockRate, Map<String,String> fmtpParameters)
Creates a new instance.- Parameters:
format
- The associatedmedia format
.rtpPayloadType
- The assigned RTP payload type, from the RTPMAP attribute inMediaDescription
.clockRate
- The associated clock rate in hertz.fmtpParameters
- The format parameters, from the SDP FMTP attribute (RFC2327 Page 22), empty if unset. The keys and values are specified in the RFCs for specific formats. For instance, RFC3640 Section 4.1 defines keys like profile-level-id and config.
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Method Detail
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isFormatSupported
public static boolean isFormatSupported(com.google.android.exoplayer2.source.rtsp.MediaDescription mediaDescription)
Returns whether the format of aMediaDescription
is supported.
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getMimeTypeFromRtpMediaType
public static String getMimeTypeFromRtpMediaType(String mediaType)
Gets the MIME type that is associated with the RTP media type.For instance, RTP media type "H264" maps to
MimeTypes.VIDEO_H264
.- Throws:
IllegalArgumentException
- When the media type is not supported/recognized.
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