70 lines
2.6 KiB
C++
70 lines
2.6 KiB
C++
// Copyright 2019 The MediaPipe Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "mediapipe/framework/stream_handler/default_input_stream_handler.h"
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#include <algorithm>
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#include "absl/strings/substitute.h"
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#include "mediapipe/framework/input_stream_handler.h"
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namespace mediapipe {
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REGISTER_INPUT_STREAM_HANDLER(DefaultInputStreamHandler);
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// Returns all CollectionItemId's for a Collection TagMap.
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std::vector<CollectionItemId> GetIds(
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const std::shared_ptr<tool::TagMap>& tag_map) {
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std::vector<CollectionItemId> result;
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for (auto id = tag_map->BeginId(); id < tag_map->EndId(); ++id) {
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result.push_back(id);
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}
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return result;
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}
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DefaultInputStreamHandler::DefaultInputStreamHandler(
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std::shared_ptr<tool::TagMap> tag_map, CalculatorContextManager* cc_manager,
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const MediaPipeOptions& options, bool calculator_run_in_parallel)
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: InputStreamHandler(std::move(tag_map), cc_manager, options,
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calculator_run_in_parallel),
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sync_set_(this, GetIds(input_stream_managers_.TagMap())) {
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if (options.HasExtension(DefaultInputStreamHandlerOptions::ext)) {
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SetBatchSize(options.GetExtension(DefaultInputStreamHandlerOptions::ext)
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.batch_size());
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}
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}
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void DefaultInputStreamHandler::PrepareForRun(
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std::function<void()> headers_ready_callback,
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std::function<void()> notification_callback,
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std::function<void(CalculatorContext*)> schedule_callback,
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std::function<void(absl::Status)> error_callback) {
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sync_set_.PrepareForRun();
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InputStreamHandler::PrepareForRun(
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std::move(headers_ready_callback), std::move(notification_callback),
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std::move(schedule_callback), std::move(error_callback));
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}
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NodeReadiness DefaultInputStreamHandler::GetNodeReadiness(
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Timestamp* min_stream_timestamp) {
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return sync_set_.GetReadiness(min_stream_timestamp);
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}
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void DefaultInputStreamHandler::FillInputSet(Timestamp input_timestamp,
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InputStreamShardSet* input_set) {
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sync_set_.FillInputSet(input_timestamp, input_set);
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}
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} // namespace mediapipe
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