Function resolve_model_config

src/models/roformer/assets.cpp:196–231

            std::string(family) + " native runtime does not yet support skip_connection");
    }
    config.stft_freq_bins = config.n_fft / 2 + 1;
    config.chunk_frames = 1 + config.chunk_size / config.hop_length;
    config.instruments = {"vocals"};
    config.target_instrument = std::string("vocals");
    if (family == kBsRoformerFamily) {
        config.fused_qkv = true;
        config.transformer_output_norm = false;
        config.has_final_norm = true;
        fill_bs_band_layout(config, json::require_i64_array(parsed, "freqs_per_bands"));
    } else {
        config.num_bands = json::require_i32(parsed, "num_bands");
        config.fused_qkv = false;
        config.transformer_output_norm = true;
        config.has_final_norm = json::optional_bool(parsed, "has_final_norm", false);
        fill_mel_band_layout(config, config.num_bands);
    }
    return config;
}

}  // namespace

std::shared_ptr<const RoformerAssets> load_mel_band_roformer_assets(
    const runtime::ModelLoadRequest & request) {
    return load_roformer_assets(request, kMelBandRoformerFamily);
}

std::shared_ptr<const RoformerAssets> load_bs_roformer_assets(
    const runtime::ModelLoadRequest & request) {
    return load_roformer_assets(request, kBsRoformerFamily);
}

std::shared_ptr<const RoformerAssets> load_roformer_assets(
    const runtime::ModelLoadRequest & request,
    std::string_view family) {
    auto assets = std::make_shared<RoformerAssets>();
    assets->resources = load_resources(request, family);
    assets->tensor_source = assets->resources.open_tensor_source("weights");
    const auto parsed = assets->resources.parse_json("config");
    assets->config = parse_config(parsed, family);