simple std::filesystem::path implementation(api compat) remove it when IOS version upgrade to 13.0 or above

A class that keeps all conversation history.

{ "identifier": "video:ffmpeg_decoder_0_0", "stream_alias": "v0_video" }

from: https://github.com/pytorch/pytorch/blob/master/c10/util/Half.h

Module is base unit of processing data, it could have multiple input streams and multiple output streams, every module should implement i

{ "name": "c_ffmpeg_encoder", "type": "python", "path": "", "entry": "" }

20.5.8, class bad_optional_access

{ "option": {}, "input_streams":[ "in" ], "output_streams":[ "out" ], "no

TraceEvent class encapsulates all the information emitted by trace

For emitting process start and end within a function

{ "premodule_id": -1, "callback_binding": [ "100:1", "1:2", "999:3"

{ "id":1, "scheduler":0 "module_info":{.....} "meta_info":{.....} "option":{.....} "input_manager

Fake file-like stream object that redirects writes to a logger instance.

this class is necessary to allow passing custom request handler into the RequestHandlerClass