public sealed class VideoStream : IMessage<VideoStream>, IEquatable<VideoStream>, IDeepCloneable<VideoStream>, IBufferMessage, IMessage
Video stream resource.
Implements
IMessage<VideoStream>, IEquatable<VideoStream>, IDeepCloneable<VideoStream>, IBufferMessage, IMessageNamespace
Google.Cloud.Video.Transcoder.V1Beta1Assembly
Google.Cloud.Video.Transcoder.V1Beta1.dll
Constructors
VideoStream()
public VideoStream()
VideoStream(VideoStream)
public VideoStream(VideoStream other)
Parameter | |
---|---|
Name | Description |
other | VideoStream |
Properties
AllowOpenGop
public bool AllowOpenGop { get; set; }
Specifies whether an open Group of Pictures (GOP) structure should be
allowed or not. The default is false
.
Property Value | |
---|---|
Type | Description |
Boolean |
AqStrength
public double AqStrength { get; set; }
Specify the intensity of the adaptive quantizer (AQ). Must be between 0 and 1, where 0 disables the quantizer and 1 maximizes the quantizer. A higher value equals a lower bitrate but smoother image. The default is 0.
Property Value | |
---|---|
Type | Description |
Double |
BFrameCount
public int BFrameCount { get; set; }
The number of consecutive B-frames. Must be greater than or equal to zero.
Must be less than VideoStream.gop_frame_count
if set. The default is 0.
Property Value | |
---|---|
Type | Description |
Int32 |
BitrateBps
public int BitrateBps { get; set; }
Required. The video bitrate in bits per second. The minimum value is 1,000. The maximum value for H264/H265 is 800,000,000. The maximum value for VP9 is 480,000,000.
Property Value | |
---|---|
Type | Description |
Int32 |
BPyramid
public bool BPyramid { get; set; }
Allow B-pyramid for reference frame selection. This may not be supported
on all decoders. The default is false
.
Property Value | |
---|---|
Type | Description |
Boolean |
Codec
public string Codec { get; set; }
Codec type. The following codecs are supported:
h264
(default)h265
vp9
Property Value | |
---|---|
Type | Description |
String |
CrfLevel
public int CrfLevel { get; set; }
Target CRF level. Must be between 10 and 36, where 10 is the highest quality and 36 is the most efficient compression. The default is 21.
Property Value | |
---|---|
Type | Description |
Int32 |
EnableTwoPass
public bool EnableTwoPass { get; set; }
Use two-pass encoding strategy to achieve better video quality.
VideoStream.rate_control_mode
must be "vbr"
. The default is false
.
Property Value | |
---|---|
Type | Description |
Boolean |
EntropyCoder
public string EntropyCoder { get; set; }
The entropy coder to use. The default is "cabac"
.
Supported entropy coders:
- 'cavlc'
- 'cabac'
Property Value | |
---|---|
Type | Description |
String |
FrameRate
public double FrameRate { get; set; }
Required. The target video frame rate in frames per second (FPS). Must be less than or equal to 120. Will default to the input frame rate if larger than the input frame rate. The API will generate an output FPS that is divisible by the input FPS, and smaller or equal to the target FPS. See Calculate frame rate for more information.
Property Value | |
---|---|
Type | Description |
Double |
GopDuration
public Duration GopDuration { get; set; }
Select the GOP size based on the specified duration. The default is
"3s"
. Note that gopDuration
must be less than or equal to
segmentDuration
, and
segmentDuration
must be divisible by gopDuration
.
Property Value | |
---|---|
Type | Description |
Duration |
GopFrameCount
public int GopFrameCount { get; set; }
Select the GOP size based on the specified frame count. Must be greater than zero.
Property Value | |
---|---|
Type | Description |
Int32 |
GopModeCase
public VideoStream.GopModeOneofCase GopModeCase { get; }
Property Value | |
---|---|
Type | Description |
VideoStream.GopModeOneofCase |
HeightPixels
public int HeightPixels { get; set; }
The height of the video in pixels. Must be an even integer. When not specified, the height is adjusted to match the specified width and input aspect ratio. If both are omitted, the input height is used.
Property Value | |
---|---|
Type | Description |
Int32 |
PixelFormat
public string PixelFormat { get; set; }
Pixel format to use. The default is "yuv420p"
.
Supported pixel formats:
- 'yuv420p' pixel format.
- 'yuv422p' pixel format.
- 'yuv444p' pixel format.
- 'yuv420p10' 10-bit HDR pixel format.
- 'yuv422p10' 10-bit HDR pixel format.
- 'yuv444p10' 10-bit HDR pixel format.
- 'yuv420p12' 12-bit HDR pixel format.
- 'yuv422p12' 12-bit HDR pixel format.
- 'yuv444p12' 12-bit HDR pixel format.
Property Value | |
---|---|
Type | Description |
String |
Preset
public string Preset { get; set; }
Enforces the specified codec preset. The default is veryfast
. The
available options are
<a href="https://trac.ffmpeg.org/wiki/Encode/H.264#Preset";
class="external">FFmpeg-compatible</a>. Note that certain values for this
field may cause the transcoder to override other fields you set in the
VideoStream
message.
Property Value | |
---|---|
Type | Description |
String |
Profile
public string Profile { get; set; }
Enforces the specified codec profile. The following profiles are supported:
baseline
main
high
(default)
The available options are
<a href="https://trac.ffmpeg.org/wiki/Encode/H.264#Profile";
class="external">FFmpeg-compatible</a>. Note that certain values for this
field may cause the transcoder to override other fields you set in the
VideoStream
message.
Property Value | |
---|---|
Type | Description |
String |
RateControlMode
public string RateControlMode { get; set; }
Specify the rate_control_mode
. The default is "vbr"
.
Supported rate control modes:
- 'vbr' - variable bitrate
- 'crf' - constant rate factor
Property Value | |
---|---|
Type | Description |
String |
Tune
public string Tune { get; set; }
Enforces the specified codec tune. The available options are
<a href="https://trac.ffmpeg.org/wiki/Encode/H.264#Tune";
class="external">FFmpeg-compatible</a>. Note that certain values for this
field may cause the transcoder to override other fields you set in the
VideoStream
message.
Property Value | |
---|---|
Type | Description |
String |
VbvFullnessBits
public int VbvFullnessBits { get; set; }
Initial fullness of the Video Buffering Verifier (VBV) buffer in bits. Must
be greater than zero. The default is equal to 90% of
VideoStream.vbv_size_bits
.
Property Value | |
---|---|
Type | Description |
Int32 |
VbvSizeBits
public int VbvSizeBits { get; set; }
Size of the Video Buffering Verifier (VBV) buffer in bits. Must be greater
than zero. The default is equal to VideoStream.bitrate_bps
.
Property Value | |
---|---|
Type | Description |
Int32 |
WidthPixels
public int WidthPixels { get; set; }
The width of the video in pixels. Must be an even integer. When not specified, the width is adjusted to match the specified height and input aspect ratio. If both are omitted, the input width is used.
Property Value | |
---|---|
Type | Description |
Int32 |