Domain Consult

Intra prediction question

Task(subagent_type="rtl-agent-team:vcodec-intra-pred-expert", prompt="Describe H.265 angular intra prediction mode 10 for a 16x16 block. Specify reference sample geometry and filtering conditions.")

Motion estimation / MV prediction question

Task(subagent_type="rtl-agent-team:vcodec-me-expert", prompt="Describe H.265 AMVP candidate derivation for a 16x16 PU. Specify the spatial neighbor scan order and pruning rules.")

Motion compensation question

Task(subagent_type="rtl-agent-team:vcodec-mc-expert", prompt="Describe H.264 half-pel luma interpolation filter. Specify exact coefficients, precision chain, and diagonal position handling.")

Transform/quantization question

Task(subagent_type="rtl-agent-team:vcodec-transform-quant-expert", prompt="What is the required accumulator width for H.265 32x32 IDCT at 10-bit input? Show overflow analysis per butterfly stage.")

Filter/reconstruction question

Task(subagent_type="rtl-agent-team:vcodec-filter-recon-expert", prompt="Describe H.265 SAO edge offset category derivation for class 1 (vertical). Specify the sign comparison logic.")

Cross-domain codec question

Task(subagent_type="rtl-agent-team:vcodec-chief-standard-expert", prompt="What are the data dependencies between the CABAC entropy engine and the inverse transform block? Specify the interface data format and timing constraints.")

Codec architecture question (design-level)

Task(subagent_type="rtl-agent-team:vcodec-architecture-expert", prompt="What is the optimal pipeline depth for a CABAC encoder targeting 4K@60fps with a 500MHz sys_clk? Consider throughput vs latency tradeoffs.")

Codec performance question

Task(subagent_type="rtl-agent-team:video-processing-expert", prompt="What are the throughput requirements for a 4K@60fps H.265 decoder at 500 MHz? Include cycles-per-CTU budget and memory bandwidth breakdown.")

Color format conversion question

Task(subagent_type="rtl-agent-team:vproc-color-format-expert", prompt="What are the exact BT.709 YCbCr-to-RGB conversion coefficients for 10-bit limited range? Include fixed-point Q-format suitable for RTL implementation.")

Denoise question

Task(subagent_type="rtl-agent-team:vproc-denoise-expert", prompt="What are the line buffer requirements and DRAM bandwidth for a motion-adaptive 3DNR engine targeting 4K@60fps 10-bit 4:2:0?")

Image processing / HDR question

Task(subagent_type="rtl-agent-team:vproc-image-processing-expert", prompt="Design a PQ EOTF LUT for 12-bit input to 16-bit output. Specify entry count, interpolation method, and maximum error vs floating-point reference.")

Protocol question

Task(subagent_type="rtl-agent-team:protocol-checker", prompt="What is the correct AXI4 handshake behavior when ARVALID is asserted but ARREADY is low? Should the master hold ARVALID stable?")

</Tool_Usage>

<Examples>
<Good>
User asks about CABAC bin string encoding → routes to vcodec-syntax-entropy-expert(Opus) → returns
precise answer citing H.264 spec section 9.3.2.
</Good>
<Good>
User asks about H.265 intra prediction angular modes → routes to vcodec-intra-pred-expert(Opus) → returns
complete mode table with reference sample dependencies and boundary handling.
</Good>
<Good>
User asks about interaction between RDOQ and CABAC bit estimation → routes to vcodec-chief-standard-expert
because it spans transform-quant and syntax-entropy domains → returns cross-block analysis.
</Good>
<Bad>
Routing a deblocking filter question to vcodec-transform-quant-expert because it mentions "filter" and
"coefficient" — deblocking is vcodec-filter-recon-expert's domain. Always match the primary domain
(in-loop filtering → vcodec-filter-recon-expert), not incidental keywords.
</Bad>
<Bad>
Routing a cross-block pipeline dependency question to a single sub-domain expert — this should
go to vcodec-chief-standard-expert who understands all block interfaces.
</Bad>
</Examples>

<Escalation_And_Stop_Conditions>
- Query does not match any domain → answer from general knowledge, note no specialist matched
- Expert returns "I don't know" → try secondary expert from adjacent domain
- Query spans codec standards + architecture → run relevant sub-domain expert and vcodec-architecture-expert in parallel, merge answers
- Query spans 3+ codec sub-domains → route to vcodec-chief-standard-expert for coordinated analysis
- RTL coding convention question → redirect to rtl-coder or rtl-critic (not a domain consult)
</Escalation_And_Stop_Conditions>

<Final_Checklist>
- [ ] Domain correctly identified from query keywords
- [ ] Correct expert agent selected from routing table
- [ ] Expert response returned without filtering
- [ ] Multi-domain queries ran experts in parallel (or routed to chief)
- [ ] Cross-block questions routed to vcodec-chief-standard-expert
</Final_Checklist>