| Microsoft DirectX 9.0 |
The KS_CC_SUBSTREAM constants specify the various services that are available on line 21 of the vertical blanking interval (VBI).
Requirements
Requires Ks.h and Ksmedia.h. Include Ks.h before Ksmedia.h
| Constant | Value | Description |
| KS_CC_SUBSTREAM_SERVICE_CC1 | 0x0001 | CC1 (caption channel) |
| KS_CC_SUBSTREAM_SERVICE_CC2 | 0x0002 | CC2 (caption channel) |
| KS_CC_SUBSTREAM_SERVICE_T1 | 0x0004 | T1 (text channel) |
| KS_CC_SUBSTREAM_SERVICE_T2 | 0x0008 | T2 (text channel) |
| KS_CC_SUBSTREAM_SERVICE_CC3 | 0x0100 | CC3 (caption channel) |
| KS_CC_SUBSTREAM_SERVICE_CC4 | 0x0200 | CC4 (caption channel) |
| KS_CC_SUBSTREAM_SERVICE_T3 | 0x0400 | T3 (text channel) |
| KS_CC_SUBSTREAM_SERVICE_T4 | 0x0800 | T4 (text channel) |
| KS_CC_SUBSTREAM_SERVICE_XDS | 0x1000 | Extended Data Services (XDS) |
| KS_CC_SUBSTREAM_FIELD1_MASK | 0x000F | Bitmask to filter field 1 substreams. |
| KS_CC_SUBSTREAM_FIELD2_MASK | 0x1F00 | Bitmask to filter field 2 substreams |