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Video Streams

Insight3D provides a robust video reader based on RasterStream. VideoStream supports streaming from various protocols, and a large variety of media formats, codecs, frame rates and frame sizes. See below for the complete list.

Video Stream
A sequence of frames of a marker batch primitive using a texture created from a video stream.
Using Video Streams

Both real-time playback of video and synchronization of video with the time in Insight3D is provided by the VideoStream class. When playing in real-time, the video will play at the rate defined by the video stream, or at the frame rate specified by setting the FrameRate property. If the Loop property is set to true, the video will loop to the first frame when it reaches past the last frame of the video.

Note Note

The FrameRate and Loop properties are only applicable when the Playback property is set to VideoPlayback.RealTime.

Below, a VideoStream is loaded from an HTTP source, specifically a video from the AGI website.

C#
Uri uri = new Uri(@"http://www.agi.com/downloads/media-center/multimedia/current-events/us-spy-satellite/US_ASAT.wmv");
VideoStream videoData = new VideoStream(uri)
{
    Playback = VideoPlayback.RealTime,
    Loop = true
};

The StartTime, EndTime, StartFrame, and EndFrame properties can be used to adjust where the video starts playback and where it ends. Since these properties are interrelated, changing the StartTime will also change the StartFrame, and vice versa. The EndTime and EndFrame properties work similarly.

Synchronizing Playback

When playback is set to synchronize with the SceneManager time, by setting the Playback property to VideoPlayback.TimeInterval, the video will play synchronized with the time interval specified with the IntervalStartTime and IntervalEndTime properties. The start frame of the video will coincide with the start time of the interval, and the last frame of the video will coincide with the end time of that interval. For example, when Insight3D animation is played in reverse, or stepped to a specific time, the video will similarly play in reverse or step to the corresponding frame in the video at that time.

Note Note

For optimal synchronization with Insight3D animation time, a video format should be used that supports frame accurate seeking through indexing. Motion JPEG (mjpeg), Digital Video (dvsd), and Quicktime (mov), are some examples of codecs and formats that provide frame accurate seeking.

In the following code sample, a VideoStream is configured to play synchronized with the SceneManager time:

C#
VideoStream videoReader = new VideoStream(new Uri(baseUri, "ProjectedImagery/fig8.avi"))
{
    Playback = VideoPlayback.TimeInterval,
    IntervalStartTime = Animation.StartTime,
    IntervalEndTime = new GregorianDate(2008, 5, 30, 14, 11, 58.162).ToJulianDate(),
};
Video Animation
A sequence of frames of a marker batch primitive using a texture created from a video stream, synchronized with the scene manager time.

As with any Raster and RasterStream, a VideoStream can be queried for its attributes and data:

C#
Console.WriteLine(videoData.Attributes.Width);
Console.WriteLine(videoData.Attributes.Height);
Console.WriteLine(videoData.Attributes.Format);
Console.WriteLine(videoData.Attributes.PixelAspectRatio);
Supported Media Streams and Formats

File Extension

Description

3g2

3gp2 format

3gp

3gp format

4xm

4X Technologies format

IFF

IFF format

MTV

MTV format

RoQ

Id RoQ format

aac

ADTS AAC

ac3

raw ac3

adts

ADTS AAC

aiff

Audio IFF

alaw

pcm A law format

amr

3gpp amr file format

apc

CRYO APC format

ape

Monkey's Audio

asf

asf format

asf_stream

asf format

au

SUN AU Format

avi

avi format

avm2

Flash 9 (AVM2) format

avs

AVISynth

bethsoftvid

Bethesda Softworks 'Daggerfall' VID format

c93

Interplay C93

crc

crc testing format

daud

D-Cinema audio format

dsicin

Delphine Software International CIN format

dts

raw dts

dv

DV video format

dvd

MPEG2 PS format (DVD VOB)

dxa

dxa

ea

Electronic Arts Multimedia Format

ea_cdata

Electronic Arts cdata

ffm

ffm format

film_cpk

Sega FILM/CPK format

flac

raw flac

flic

FLI/FLC/FLX animation format

flv

flv format

framecrc

framecrc testing format

gif

GIF Animation

gxf

GXF format

h261

raw h261

h263

raw h263

h264

raw H264 video format

idcin

Id CIN format

image2

image2 sequence

image2pipe

piped image2 sequence

ingenient

Ingenient MJPEG

ipmovie

Interplay MVE format

ipod

iPod H.264 mp4 format

libnut

nut format

lmlm4

lmlm4 raw format

m4v

raw MPEG4 video format

matroska

Matroska File Format

mjpeg

MJPEG video

mm

American Laser Games MM format

mmf

mmf format

mov

mov format

mov,mp4,m4a,3gp,3g2,mj2

QuickTime/MPEG4/Motion JPEG 2000 format

mp2

MPEG audio layer 2

mp3

MPEG audio layer 3

mp4

mp4 format

mpc

musepack

mpc8

musepack8

mpeg

MPEG1 System format

mpeg1video

MPEG video

mpeg2video

MPEG2 video

mpegts

MPEG2 transport stream format

mpegtsraw

MPEG2 raw transport stream format

mpegvideo

MPEG video

mpjpeg

Mime multipart JPEG format

msnwctcp

MSN TCP Webcam stream

mulaw

pcm mu law format

mxf

MXF format

nsv

NullSoft Video format

null

null video format

nut

nut format

nuv

NuppelVideo format

ogg

Ogg format

psp

psp mp4 format

psxstr

Sony Playstation STR format

pva

pva file and stream format

rawvideo

raw video format

redir

Redirector format

rl2

rl2 format

rm

rm format

rpl

RPL/ARMovie format

rtp

RTP output format

rtsp

RTSP input format

s16be

pcm signed 16 bit big endian format

s16le

pcm signed 16 bit little endian format

s8

pcm signed 8 bit format

sdp

SDP

shn

raw shorten

siff

Beam Software SIFF

smk

Smacker Video

sol

Sierra SOL Format

svcd

MPEG2 PS format (VOB)

swf

Flash format

thp

THP

tiertexseq

Tiertex Limited SEQ format

tta

true-audio

txd

txd format

u16be

pcm unsigned 16 bit big endian format

u16le

pcm unsigned 16 bit little endian format

u8

pcm unsigned 8 bit format

vc1

raw vc1

vc1test

VC1 test bitstream format

vcd

MPEG1 System format (VCD)

vfwcap

VFW video capture

vmd

Sierra VMD format

vob

MPEG2 PS format (VOB)

voc

Creative Voice File format

wav

wav format

wc3movie

Wing Commander III movie format

wsaud

Westwood Studios audio format

wsvqa

Westwood Studios VQA format

wv

WavPack

yuv4mpegpipe

YUV4MPEG pipe format

Supported Media Codecs

4xm

8bps

8svx exponential decoder

8svx fibonacci decoder

VMware video

aasc

ac3

adpcm_4xm

adpcm_adx

adpcm_ct

adpcm_ea

adpcm_ea_r1

adpcm_ea_r2

adpcm_ea_r3

adpcm_ea_xas

adpcm_ima_amv

adpcm_ima_dk3

adpcm_ima_dk4

adpcm_ima_ea_eacs

adpcm_ima_ea_sead

adpcm_ima_qt

adpcm_ima_smjpeg

adpcm_ima_wav

adpcm_ima_ws

adpcm_ms

adpcm_sbpro_2

adpcm_sbpro_3

adpcm_sbpro_4

adpcm_swf

adpcm_thp

adpcm_xa

adpcm_yamaha

alac

amv

ape

asv1

asv2

atrac 3

avs

bethsoftvid

bmp

c93

camstudio

camtasia

cavs

cinepak

cljr

cook

cyuv

dca

dnxhd

dsicinaudio

dsicinvideo

dvbsub

dvdsub

dvvideo

dxa

escape124

ffv1

ffvhuff

flac

flashsv

flic

flv

fraps

g726

gif

h261

h263

h263i

h263p

h264

huffyuv

idcinvideo

imc

indeo2

indeo3

interplay_dpcm

interplayvideo

jpegls

kmvc

liba52

libfaac

libfaad

libgsm

libgsm_ms

libmp3lame

libtheora

libvorbis

libx264

libxvid

ljpeg

loco

mace3

mace6

mdec

mimic

mjpeg

mjpegb

mmvideo

mp2

mp3

mp3adu

mp3on4

mpc sv7

mpc sv8

mpeg1video

mpeg2video

mpeg4

mpeg4aac

mpegvideo

msmpeg4

msmpeg4v1

msmpeg4v2

msrle

msvideo1

mszh

nellymoser

nuv

pam

pbm

pcm_alaw

pcm_mulaw

pcm_s16be

pcm_s16le

pcm_s16le_planar

pcm_s24be

pcm_s24daud

pcm_s24le

pcm_s32be

pcm_s32le

pcm_s8

pcm_u16be

pcm_u16le

pcm_u24be

pcm_u24le

pcm_u32be

pcm_u32le

pcm_u8

pcm_zork

pcx

pgm

pgmyuv

png

ppm

ptx

qdm2

qdraw

qpeg

qtrle

rawvideo

real_144

real_288

rl2

roq_dpcm

roqvideo

rpza

rv10

rv20

sgi

shorten

smackaud

smackvid

smc

snow

sol_dpcm

sonic

sonicls

sp5x

sunrast

svq1

svq3

targa

theora

thp

tiertexseqvideo

tiff

truemotion1

truemotion2

truespeech

tta

txd

ultimotion

vb

vc1

vcr1

vmdaudio

vmdvideo

vorbis

vp3

vp5

vp6

vp6a

vp6f

vqavideo

wavpack

wmav1

wmav2

wmv1

wmv2

wmv3

wnv1

ws_snd1

xan_dpcm

xan_wc3

xl

xsub

zlib

zmbv

Supported Protocols

Protocol

Description

Usage

file:

Filesystem

file:///C:\video.mpg

http:

Hypertext Transfer Protocol

http://hostname/video.mpg

rtp:

Real-time Transport Protocol

rtp://hostname:port

tcp:

Transmission Control Protocol

tcp://hostname:port

udp:

User Datagram Protocol

udp://hostname:port[?option=val...]

Options are as follows:

'multicast=1' : Enable multicast

'ttl=n' : Set the ttl value (for multicast only)

'localport=n' : Set the local port

'pkt_size=n' : Set the maximum packet size

'reuse=1' : Enable reusing of the socket

Supported Frame Size and Frame Rate Abbreviations

ntsc

pal

qntsc

qpal

sntsc

spal

film

ntsc-film

sqcif

qcif

cif

4cif