GTS HDMI IP User Guide

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ID 823533
Date 5/30/2025
Public
Document Table of Contents
Document Table of Contents x
1. GTS HDMI IP Quick Reference 2. About the GTS HDMI IP 3. GTS HDMI IP Getting Started 4. GTS HDMI IP Hardware Design Examples 5. HDMI Source 6. HDMI Sink 7. Transceiver Handling (HDMI Wrapper = HDMI and Transceiver) 8. GTS HDMI IP Parameters 9. HDMI Simulation Example 10. GTS HDMI IP User Guide Archives 11. Document Revision History for the GTS HDMI IP User Guide
1. GTS HDMI IP Quick Reference x
1.1. Terms and Acronyms
2. About the GTS HDMI IP x
2.1. GTS HDMI IP Device Family Support 2.2. GTS HDMI IP Device Feature Support 2.3. GTS HDMI IP Release Information 2.4. GTS HDMI IP Performance and Resource Usage
3. GTS HDMI IP Getting Started x
3.1. Installing and Licensing IP Cores 3.2. Specifying IP Parameters and Options
3.1. Installing and Licensing IP Cores x
3.1.1. Intel FPGA IP Evaluation Mode
5. HDMI Source x
5.1. Source Functional Description 5.2. Source Interfaces 5.3. Source Clock Tree 5.4. Valid Video Data 5.5. Source Deep Color Implementation
5.1. Source Functional Description x
5.1.1. Source Scrambler, TMDS/TERC4 Encoder 5.1.2. Source Video Resampler 5.1.3. Source Window of Opportunity Generator 5.1.4. Source Auxiliary Packet Encoder 5.1.5. Source Auxiliary Packet Generators 5.1.6. Source Auxiliary Data Path Multiplexers 5.1.7. Source Auxiliary Control Port 5.1.8. Source Audio Encoder 5.1.9. TX Core-PHY Interface 5.1.10. I2C Controller
5.1.7. Source Auxiliary Control Port x
5.1.7.1. Source General Control Packet (GCP) 5.1.7.2. Source Auxiliary Video Information (AVI) InfoFrame Bit-Fields 5.1.7.3. Source HDMI Vendor Specific InfoFrame (VSI)
5.1.8. Source Audio Encoder x
5.1.8.1. Audio InfoFrame (AI) Bundle Bit-Fields 5.1.8.2. Audio Metadata Bundle Bit-Fields
5.1.9. TX Core-PHY Interface x
5.1.9.1. TX Oversampler 5.1.9.2. Clock Enable Generator
6. HDMI Sink x
6.1. Sink Functional Description 6.2. Sink Interfaces 6.3. Sink Clock Tree 6.4. Sink Deep Color Implementation
6.1. Sink Functional Description x
6.1.1. Sink Word Alignment and Channel Deskew 6.1.2. Sink Descrambler, TMDS/TERC4 Decoder 6.1.3. Sink Auxiliary Decoder 6.1.4. Sink Auxiliary Packet Capture 6.1.5. Sink Video Resampler 6.1.6. Sink Auxiliary Data Port 6.1.7. Sink Audio Decoder 6.1.8. Status and Control Data Channel (SCDC) Interface 6.1.9. RX Core-PHY Interface 6.1.10. I2C Target 6.1.11. I2C and EDID RAM Blocks
6.1.6. Sink Auxiliary Data Port x
6.1.6.1. Sink General Control Packet (GCP) 6.1.6.2. Sink Auxiliary Video Information (AVI) InfoFrame Bit-Fields 6.1.6.3. Sink HDMI Vendor Specific InfoFrame (VSI)
6.1.7. Sink Audio Decoder x
6.1.7.1. Audio InfoFrame (AI) Bundle Bit-Fields 6.1.7.2. Audio Metadata Bundle Bit-Fields
6.1.9. RX Core-PHY Interface x
6.1.9.1. RX Oversampler
7. Transceiver Handling (HDMI Wrapper = HDMI and Transceiver) x
7.1. HDMI RX with Integrated Transceiver 7.2. HDMI TX with Integrated Transceiver 7.3. Creating Dual Simplex Groups
8. GTS HDMI IP Parameters x
8.1. HDMI Source Parameters 8.2. HDMI Sink Parameters
9. HDMI Simulation Example x
9.1. Simulation Walkthrough
1. GTS HDMI IP Quick Reference
2. About the GTS HDMI IP
3. GTS HDMI IP Getting Started
4. GTS HDMI IP Hardware Design Examples
5. HDMI Source
6. HDMI Sink
7. Transceiver Handling (HDMI Wrapper = HDMI and Transceiver)
8. GTS HDMI IP Parameters
9. HDMI Simulation Example
10. GTS HDMI IP User Guide Archives
11. Document Revision History for the GTS HDMI IP User Guide

6.1.7.2. Audio Metadata Bundle Bit-Fields

Table 42.  Audio Metadata Bundle Bit-Fields for Packet Header and Control

Table below lists the AM signal bit-fields for packet header (as described in the HDMI 2.0b Specification Section 8.3) and control.

Bit-field Name Description
0 3D_AUDIO
  • 1: Transmits 3D audio
  • 0: Transmits MST audio
2:1 NUM_VIEWS Number of views for an MST stream
4:3 NUM_AUDIO_STR Number of audio streams - 1
Table 43.  Audio Metadata Bundle Bit-Fields for Packet Content when 3D_AUDIO = 1

Table below lists the AM signal bit-fields for packet content when 3D_AUDIO = 1 (as described in the HDMI 2.0b Specification Section 8.3.1).

Bit-field Name Description
9:5 3D_CC Channel count of the transmitted 3D audio
12:10 Reserved Reserved (0)
16:13 ACAT Audio channel allocation standard
20:17 Reserved Reserved (0)
28:21 3D_ACAT Channel/Speaker allocation for 3D audio
164:29 Reserved Reserved (0)
Table 44.  Audio Metadata Bundle Bit-Fields for Packet Content when 3D_AUDIO = 0

Table below lists the AM signal bit-fields for packet content when 3D_AUDIO = 0 (as described in the HDMI 2.0b Specification Section 8.3.2).

Bit-field Name Description
5 Multiview_Left_0 Left stereoscopic picture (Subpacket 0 in MST Audio Sample Packet)
6 Multiview_Right_0 Right stereoscopic picture (Subpacket 0 in MST Audio Sample Packet)
12:7 Reserved Reserved (0)
15:13 Suppl_A_Type_0 Supplementary audio type (Subpacket 0 in MST Audio Sample Packet)
16 Suppl_A_Mixed_0 Mix of main audio components and a supplementary audio track (Subpacket 0 in MST Audio Sample Packet)
17 Suppl_A_Valid_0 Audio stream contains a supplementary audio track (Subpacket 0 in MST Audio Sample Packet)
19:18 Reserved Reserved (0)
20 LC_Valid_0 Validity of Language_Code (Subpacket 0 in MST Audio Sample Packet)
44:21 Language_Code_0 Audio stream language (Subpacket 0 in MST Audio Sample Packet)
45 Multiview_Left_1 Left stereoscopic picture (Subpacket 1 in MST Audio Sample Packet)
46 Multiview_Right_1 Right stereoscopic picture (Subpacket 1 in MST Audio Sample Packet)
52:47 Reserved Reserved (0)
55:53 Suppl_A_Type_1 Supplementary audio type (Subpacket 1 in MST Audio Sample Packet)
56 Suppl_A_Mixed_1 Mix of main audio components and a supplementary audio track (Subpacket 1 in MST Audio Sample Packet)
57 Suppl_A_Valid_1 Audio stream contains a supplementary audio track (Subpacket 1 in MST Audio Sample Packet)
59:58 Reserved Reserved (0)
60 LC_Valid_1 Validity of Language_Code (Subpacket 1 in MST Audio Sample Packet)
84:61 Language_Code_1 Audio stream language (Subpacket 1 in MST Audio Sample Packet)
85 Multiview_Left_2 Left stereoscopic picture (Subpacket 2 in MST Audio Sample Packet)
86 Multiview_Right_2 Right stereoscopic picture (Subpacket 2 in MST Audio Sample Packet)
92:87 Reserved Reserved (0)
95:93 Suppl_A_Type_2 Supplementary audio type (Subpacket 2 in MST Audio Sample Packet)
96 Suppl_A_Mixed_2 Mix of main audio components and a supplementary audio track (Subpacket 2 in MST Audio Sample Packet)
97 Suppl_A_Valid_2 Audio stream contains a supplementary audio track (Subpacket 2 in MST Audio Sample Packet)
99:98 Reserved Reserved (0)
100 LC_Valid_2 Validity of Language_Code (Subpacket 2 in MST Audio Sample Packet)
124:101 Language_Code_2 Audio stream language (Subpacket 2 in MST Audio Sample Packet)
125 Multiview_Left_3 Left stereoscopic picture (Subpacket 3 in MST Audio Sample Packet)
126 Multiview_Right_3 Right stereoscopic picture (Subpacket 3 in MST Audio Sample Packet)
132:127 Reserved Reserved (0)
135:133 Suppl_A_Type_3 Supplementary audio type (Subpacket 3 in MST Audio Sample Packet)
136 Suppl_A_Mixed_3 Mix of main audio components and a supplementary audio track (Subpacket 3 in MST Audio Sample Packet)
137 Suppl_A_Valid_3 Audio stream contains a supplementary audio track (Subpacket 3 in MST Audio Sample Packet)
139:138 Reserved Reserved (0)
140 LC_Valid_3 Validity of Language_Code (Subpacket 3 in MST Audio Sample Packet)
164:141 Language_Code_3 Audio stream language (Subpacket 3 in MST Audio Sample Packet)
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