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5f923cd | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 | // Copyright 2025 The ODML Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef THIRD_PARTY_ODML_LITERT_LM_RUNTIME_CONVERSATION_MODEL_DATA_PROCESSOR_DATA_UTILS_H_
#define THIRD_PARTY_ODML_LITERT_LM_RUNTIME_CONVERSATION_MODEL_DATA_PROCESSOR_DATA_UTILS_H_
#include <memory>
#include "absl/status/statusor.h" // from @com_google_absl
#include "nlohmann/json_fwd.hpp" // from @nlohmann_json
#include "runtime/util/memory_mapped_file.h"
namespace litert::lm {
// Loads the item data from the given JSON object to a MemoryMappedFile.
// The expected item content is:
// 1. Text item
// {
// "type": "text",
// "text": "some text"
// }
//
// 2. Image item
// {
// "type": "image",
// "path": "/file/path/to/image",
// }
// {
// "type": "image",
// "blob": "base64 encoded image bytes as string",
// }
//
// 3. Audio item
// {
// "type": "audio",
// "path": "/file/path/to/audio",
// }
// {
// "type": "audio",
// "blob": "base64 encoded audio bytes as string",
// }
//
// Note: though we support loading image and audio data from blob, this format
// is less efficient and less favorable.
absl::StatusOr<std::unique_ptr<MemoryMappedFile>> LoadItemData(
const nlohmann::ordered_json& item);
} // namespace litert::lm
#endif // THIRD_PARTY_ODML_LITERT_LM_RUNTIME_CONVERSATION_MODEL_DATA_PROCESSOR_DATA_UTILS_H_
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