Supported Media Formats and Capture Devices

This page lists the media formats supported in the JMF 2.1.1 FCS implementation, the RTP formats this implementation can receive and transmit, and the capture devices that it supports.

Supported Media Formats

JMF supports audio sample rates from 8KHz to 48KHz. Note that cross-platform version of JMF only supports the following rates: 8, 11.025, 11.127, 16, 22.05, 22.254, 32, 44.1, and 48 KHz.

The JMF 2.1.1 Reference Implementation supports the media types and formats listed in the table below. In this table:

- D indicates the format can be decoded and presented.
- E indicates the media stream can be encoded in the format.
- read indicates the media type can be used as input (read from a file)
- write indicates the media type can be generated as output (written to a file)

Media Type | JMF 2.1.1 Cross Platform Version | JMF 2.1.1 Solaris/Linux Performance Pack | JMF 2.1.1 Windows Performance Pack
--- | --- | --- | ---
AIFF (.aiff) | read/write | read/write | read/write
8-bit mono/stereo linear | D,E | D,E | D,E
16-bit mono/stereo linear | D,E | D,E | D,E
G.711 (U-law) | D,E | D,E | D,E
A-law | D | D | D
IMA4 ADPCM | D,E | D,E | D,E
AVI (.avi) | read/write | read/write | read/write
Audio: 8-bit mono/stereo linear | D,E | D,E | D,E
Audio: 16-bit mono/stereo linear | D,E | D,E | D,E
Audio: DVI ADPCM compressed | D,E | D,E | D,E
Audio: G.711 (U-law) | D,E | D,E | D,E
Audio: A-law | D | D | D
Audio: GSM mono | D,E | D,E | D,E
Audio: ACM** | - | - | D,E
Video: Cinepak | D | D,E | D
Video: MJPEG (422) | D | D,E | D,E
Video: RGB | D,E | D,E | D,E
Video: YUV | D,E | D,E | D,E
Video: VCM** | - | - | D,E
GSM (.gsm) | read/write | read/write | read/write
GSM mono audio | D,E | D,E | D,E
HotMedia (.mvr) | read only | read only | read only
IBM HotMedia | D | D | D
MIDI (.mid) | read only | read only | read only
Type 1 & 2 MIDI | - | D | D
MPEG-1 Video (.mpg) | - | read only | read only
Multiplexed System stream | - | D | D
Video-only stream | - | D | D
MPEG Layer II Audio (.mp2) | read only | read/write | read/write
MPEG layer 1, 2 audio | D | D,E | D,E
QuickTime (.mov) | read/write | read/write | read/write
Audio: 8 bits mono/stereo linear | D,E | D,E | D,E
Audio: 16 bits mono/stereo linear | D,E | D,E | D,E
Audio: G.711 (U-law) | D,E | D,E | D,E
Audio: A-law | D | D | D
Audio: GSM mono | D,E | D,E | D,E
Audio: IMA4 ADPCM | D,E | D,E | D,E
Video: Cinepak | D | D,E | D
Video: H.261 | - | D | D
Video: H.263 | D | D,E | D,E
Video: JPEG (420, 422, 444) | D | D,E | D,E
Video: RGB | D,E | D,E | D,E
Sun Audio (.au) | read/write | read/write | read/write
8 bits mono/stereo linear | D,E | D,E | D,E
16 bits mono/stereo linear | D,E | D,E | D,E
G.711 (U-law) | D,E | D,E | D,E
A-law | D | D | D
Wave (.wav) | read/write | read/write | read/write
8-bit mono/stereo linear | D,E | D,E | D,E
16-bit mono/stereo linear | D,E | D,E | D,E
G.711 (U-law) | D,E | D,E | D,E
A-law | D | D | D
GSM mono | D,E | D,E | D,E
DVI ADPCM | D,E | D,E | D,E
MS ADPCM | D | D | D
ACM** | - | - | D,E

Notes:

- ACM** - Window's Audio Compression Manager support. Tested for these formats: A-law, GSM610, MSNAudio, MSADPCM, Truespeech, mp3, PCM, Voxware AC8, Voxware AC10.
- VCM** - Window's Video Compression Manager support. Tested for these formats: IV41, IV51, VGPX, WINX, YV12, I263, CRAM, MPG4.

RTP Formats

The JMF 2.1.1 Reference Implementation can receive and transmit the following RTP formats:

- R indicates that the format can be decoded and presented.
- T indicates that media streams can be encoded and transmitted in the format.

Media Type | RTP Payload | JMF 2.1.1 Cross Platform Version | JMF 2.1.1 Solaris/Linux Performance Pack | JMF 2.1.1 Windows Performance Pack Audio: G.711 (U-law) 8 kHz | 0 | R,T | R,T | R,T
Audio: GSM mono | 3 | R,T | R,T | R,T
Audio: G.723 mono | 4 | R | R,T | R,T
Audio: 4-bit mono DVI 8 kHz | 5 | R,T | R,T | R,T
Audio: 4-bit mono DVI 11.025 kHz | 16 | R,T | R,T | R,T
Audio: 4-bit mono DVI 22.05 kHz | 17 | R,T | R,T | R,T
Audio: MPEG Layer I, II | 14 | R,T | R,T | R,T
Video: JPEG (420, 422, 444)* | 26 | R | R,T | R,T
Video: H.261 | 31 | - | R | R
Video: H.263** | 34 | Mode A Only | R,T | R,T
Video: MPEG-I*** | 32 | T | R,T | R,T

* JPEG/RTP can only be transmitted in video dimensions that are in multiple of 8 pixels.

** H.263/RTP can only be transmitted in 3 different video dimensions: SQCIF (128x96), QCIF (176x144) and CIF (352x288).

*** MPEG/RTP video can only be transmitted from pre-encoded MPEG content, i.e. from an MPEG-encoded file or MPEG enabled capture source. Real-time software MPEG encoding is not feasible for RTP transmission.

Capture Devices

The JMF 2.1.1 Reference Implementation supports SunVideo / SunVideoPlus capture devices on Solaris. On Windows, most capture devices that have VFW drivers are supported. On Linux, devices that have a Video4Linux driver are expected to work, but not extensively tested. The table below lists the capture devices known to work with this release.

Capturer | JMF 2.1.1 Cross Platform Version | JMF 2.1.1 Solaris Performance Pack | JMF 2.1.1 Windows Performance Pack
JavaSound (16-bit, 44100, 22050, 11025Hz, 8000Hz linear) | X (J2SE 1.3+) | X | X
SunVideo | - | X | -
SunVideoPlus | - | X | -
VFW | - | - | X
Intel Create & Share | - | - | Win9x
Diamond Supra Video Kit; Share | - | - | Win98
QuickCam VC (camera) | - | - | WinNT
e-cam (camera) | - | - | WinNT, 9X
Winnow Videum | - | - | WinNT, 9X
Creative Web Cam II | - | - | Win9X
Miro Video DC30 | - | - | Win9X
Iomega Buz | - | - | Win9X
QuickCam Home USB (Camera) | - | - | Win98
Smart Video Recorder III | - | - | Win9X