加入CODE CHINA

· 不限速    · 不限空间    · 不限人数    · 私仓免费

免费加入
    README.md

    MEDIA_UTILS_LITE

    Introduction

    This repository defines common information such as media error codes and data types required for audio and video recording and playback.

    Data types

    • SourceType: type of the media source to play
    • BufferFlags: flags of the data carried in the buffer
    • AudioSourceType: enumeration of audio input source types
    • AudioCodecFormat: enumeration of audio data formats
    • AudioStreamType: enumeration of audio stream types
    • AudioBitWidth: enumeration of sampling bit width

    The following table lists the error codes.

    Code

    Macro

    Description

    0xffffffff

    ERR_INVALID_READ

    Data reading failed.

    0x0

    SUCCESS

    Operation succeeded.

    0x3c10000

    ERROR

    Operation failed.

    0x3c10001

    ERR_ILLEGAL_STATE

    Invalid status.

    0x2A05

    ERR_INVALID_PARAM

    Invalid parameter.

    0x3c10003

    ERR_EARLY_PREPARE

    Early start.

    0x3c10004

    ERR_SOURCE_NOT_SET

    Media source not set.

    0x3c10005

    ERR_INVALID_OPERATION

    Invalid operation.

    0x2A09

    ERR_NOFREE_CHANNEL

    No free channel.

    0x3c10007

    ERR_READ_BUFFER

    Error occurred during buffer reading.

    0x3c10008

    ERR_NOT_STARTED

    Device not started.

    0x3c100c8

    ERR_UNKNOWN

    Unknown error.

    Figure 1 Position of this repository (in the dotted blue box) in the multimedia subsystem

    Directory Structure

    foundation/multimedia/utils/lite
    ├── interfaces    # Header file of the data types and media formats
    └── hals       # HAL adaptation APIs
    └── src        # Implementation of the data types and media formats

    Usage

    Build a single repository in the root directory.

    # Select the development board.
    hb set  
    # Build this repository.
    hb build media_service

    Constraints

    C++ 11 or later

    Repositories Involved

    Multimedia subsystem

    camera_lite

    camera_sample_lite

    audio_lite

    media_lite

    media_utils_lite

    项目简介

    媒体子系统通用组件

    发行版本

    当前项目没有发行版本

    贡献者 8

    开发语言

    • C++ 87.2 %
    • C 12.8 %