offline-fire-red-asr-decoder.h
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// sherpa-onnx/csrc/offline-fire-red-asr-decoder.h
//
// Copyright (c) 2025 Xiaomi Corporation
#ifndef SHERPA_ONNX_CSRC_OFFLINE_FIRE_RED_ASR_DECODER_H_
#define SHERPA_ONNX_CSRC_OFFLINE_FIRE_RED_ASR_DECODER_H_
#include <cstdint>
#include <vector>
#include "onnxruntime_cxx_api.h" // NOLINT
namespace sherpa_onnx {
struct OfflineFireRedAsrDecoderResult {
/// The decoded token IDs
std::vector<int32_t> tokens;
};
class OfflineFireRedAsrDecoder {
public:
virtual ~OfflineFireRedAsrDecoder() = default;
/** Run beam search given the output from the FireRedAsr encoder model.
*
* @param n_layer_cross_k A 4-D tensor of shape
* (num_decoder_layers, N, T, d_model).
* @param n_layer_cross_v A 4-D tensor of shape
* (num_decoder_layers, N, T, d_model).
*
* @return Return a vector of size `N` containing the decoded results.
*/
virtual std::vector<OfflineFireRedAsrDecoderResult> Decode(
Ort::Value n_layer_cross_k, Ort::Value n_layer_cross_v) = 0;
};
} // namespace sherpa_onnx
#endif // SHERPA_ONNX_CSRC_OFFLINE_FIRE_RED_ASR_DECODER_H_