// Copyright 2019 The MediaPipe 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.
syntax = "proto2";
package mediapipe;
import "mediapipe/calculators/core/packet_resampler_calculator.proto";
import "mediapipe/framework/calculator.proto";
import "mediapipe/util/audio_decoder.proto";
message UnpackMediaSequenceCalculatorOptions {
extend mediapipe.CalculatorOptions {
optional UnpackMediaSequenceCalculatorOptions ext = 244411537;
}
// Path to the root directory of the data set that SequenceExample directory
// paths are relative from. If present, the input_side_packet overrides this
// value.
optional string dataset_root_directory = 1;
// Time in seconds to pad before (or after) timestamps in context's
// clip/timestamp/start and clip/timestamp/end. These settings modify the
// clip's time range in the base_media_decoder_options.
optional float padding_before_label = 3;
optional float padding_after_label = 4;
// Time in seconds to apply as additional padding to the media decoder, but
// not to the packet resampler.
optional float extra_padding_from_media_decoder = 5 [default = 0.0];
// Stores the packet resampler settings for the graph. The most accurate
// procedure for sampling a range of frames is to request a padded time range
// from the MediaDecoderCalculator and then trim it down to the proper time
// range with the PacketResamplerCalculator.
optional PacketResamplerCalculatorOptions base_packet_resampler_options = 6;
// Decode media from time zero. This setting overrides other padding
// parameters for the MediaDecoderCalculator. End time parameters are still
// respected.
optional bool force_decoding_from_start_of_media = 7;
// Stores the audio decoder settings for the graph. (e.g. which audio
// stream to pull from the video.) The sequence's metadata overrides
// the clip start and end times and outputs these for the
// AudioDecoderCalculator to consume.
optional AudioDecoderOptions base_audio_decoder_options = 9;
// Often if a post-stream packet is stored in a SequenceExample, it should be
// used as a pre-stream packet in a subsequent graph.
optional bool output_poststream_as_prestream = 12;
}