Native API 差异报告
OpenHarmony 4.0.8.5 版本相较于OpenHarmony 之前的版本的API变更如下: *
标准系统接口变更
| 模块名称 | 接口名称 | 变更类型 | 变更说明 |
|---|---|---|---|
| avmuxer | OH_AVMuxer *OH_AVMuxer_Create(int32_t fd, OH_AVOutputFormat format); | 新增 | 创建OH_AVMuxer |
| avmuxer | OH_AVErrCode OH_AVMuxer_SetRotation(OH_AVMuxer *muxer, int32_t rotation); | 新增 | 设置视频旋转角度 |
| avmuxer | OH_AVErrCode OH_AVMuxer_AddTrack(OH_AVMuxer *muxer, int32_t *trackIndex, OH_AVFormat *trackFormat); | 新增 | 添加媒体轨 |
| avmuxer | OH_AVErrCode OH_AVMuxer_Start(OH_AVMuxer *muxer); | 新增 | 开始封装 |
| avmuxer | OH_AVErrCode OH_AVMuxer_WriteSample(OH_AVMuxer *muxer, uint32_t trackIndex, OH_AVMemory *sample, OH_AVCodecBufferAttr info); | 新增 | 将数据写入封装器 |
| avmuxer | OH_AVErrCode OH_AVMuxer_Stop(OH_AVMuxer *muxer); | 新增 | 停止封装 |
| avmuxer | OH_AVErrCode OH_AVMuxer_Destroy(OH_AVMuxer *muxer); | 新增 | 销毁OH_AVMuxer |
| avsource | OH_AVSource *OH_AVSource_CreateWithURI(char *uri); | 新增 | 根据 URI 创建 OH_AVSource |
| avsource | OH_AVSource *OH_AVSource_CreateWithFD(int32_t fd, int64_t offset, int64_t size); | 新增 | 根据 FD 创建OH_AVSource |
| avsource | OH_AVErrCode OH_AVSource_Destroy(OH_AVSource *source); | 新增 | 销毁 OH_AVSource |
| avsource | OH_AVFormat *OH_AVSource_GetSourceFormat(OH_AVSource *source); | 新增 | 获取 source 信息 |
| avsource | OH_AVFormat *OH_AVSource_GetTrackFormat(OH_AVSource *source, uint32_t trackCount); | 新增 | 获取 track 信息 |
| avdemuxer | OH_AVDemuxer *OH_AVDemuxer_CreateWithSource(OH_AVSource *source); | 新增 | 根据 source 创建 OH_AVDemuxer |
| avdemuxer | OH_AVErrCode OH_AVDemuxer_Destroy(OH_AVDemuxer *demuxer); | 新增 | 销毁 OH_AVDemuxer |
| avdemuxer | OH_AVErrCode OH_AVDemuxer_SelectTrackByID(OH_AVDemuxer *demuxer, uint32_t trackIndex); | 新增 | 选择需要解封装的轨道 |
| avdemuxer | OH_AVErrCode OH_AVDemuxer_UnselectTrackByID(OH_AVDemuxer *demuxer, uint32_t trackIndex); | 新增 | 取消选择需要解封装的轨道 |
| avdemuxer | OH_AVErrCode OH_AVDemuxer_ReadSample(OH_AVDemuxer *demuxer, uint32_t trackIndex, OH_AVMemory *sample, OH_AVCodecBufferAttr *info); | 新增 | 读取 trackIndex 对应轨道的帧 |
| avdemuxer | OH_AVErrCode OH_AVDemuxer_SeekToTime(OH_AVDemuxer *demuxer, int64_t millisecond, OH_AVSeekMode mode); | 新增 | 跳转到指定时间 |
| avcapability | OH_AVCapability *OH_AVCodec_GetCapability(const char *mime, bool isEncoder); | 新增 | 获取系统推荐的能力句柄 |
| avcapability | OH_AVCapability *OH_AVCodec_GetCapabilityByCategory(const char *mime, bool isEncoder, OH_AVCodecCategory category); | 新增 | 获取系统指定软硬件的能力句柄 |
| avcapability | bool OH_AVCapability_IsHardware(OH_AVCapability *capability); | 新增 | 确认是否是硬件编解码器 |
| avcapability | const char *OH_AVCapability_GetName(OH_AVCapability *capability); | 新增 | 获取codec名字 |
| avcapability | int32_t OH_AVCapability_GetMaxSupportedInstances(OH_AVCapability *capability); | 新增 | 获取最大支持的实例数 |
| avcapability | OH_AVErrCode OH_AVCapability_GetEncoderBitrateRange(OH_AVCapability *capability, OH_AVRange *bitrateRange); | 新增 | 获取编码支持的码率范围 |
| avcapability | bool OH_AVCapability_IsEncoderBitrateModeSupported(OH_AVCapability *capability, OH_BitrateMode bitrateMode); | 新增 | 确认码控模式是否支持 |
| avcapability | OH_AVErrCode OH_AVCapability_GetEncoderQualityRange(OH_AVCapability *capability, OH_AVRange *qualityRange); | 新增 | 获取编码质量范围 |
| avcapability | OH_AVErrCode OH_AVCapability_GetEncoderComplexityRange(OH_AVCapability *capability, OH_AVRange *complexityRange); | 新增 | 获取编码复杂度范围 |
| avcapability | OH_AVErrCode OH_AVCapability_GetAudioSupportedSampleRates(OH_AVCapability *capability, const int32_t **sampleRates, uint32_t *sampleRateNum); | 新增 | 获取支持的音频采样率 |
| avcapability | OH_AVErrCode OH_AVCapability_GetAudioChannelCountRange(OH_AVCapability *capability, OH_AVRange *channelCountRange); | 新增 | 获取音频通道数范围 |
| avcapability | OH_AVErrCode OH_AVCapability_GetVideoWidthAlignment(OH_AVCapability *capability, int32_t *widthAlignment); | 新增 | 获取视频宽对齐 |
| avcapability | OH_AVErrCode OH_AVCapability_GetVideoHeightAlignment(OH_AVCapability *capability, int32_t *heightAlignment); | 新增 | 获取视频高对齐 |
| avcapability | OH_AVErrCode OH_AVCapability_GetVideoWidthRangeForHeight(OH_AVCapability *capability, int32_t height, OH_AVRange *widthRange); | 新增 | 获取特定高情况下视频宽范围 |
| avcapability | OH_AVErrCode OH_AVCapability_GetVideoHeightRangeForWidth(OH_AVCapability *capability, int32_t width, OH_AVRange *heightRange); | 新增 | 获取特定宽情况下视频高范围 |
| avcapability | OH_AVErrCode OH_AVCapability_GetVideoWidthRange(OH_AVCapability *capability, OH_AVRange *widthRange); | 新增 | 获取视频宽范围 |
| avcapability | OH_AVErrCode OH_AVCapability_GetVideoHeightRange(OH_AVCapability *capability, OH_AVRange *heightRange); | 新增 | 获取视频高范围 |
| avcapability | bool OH_AVCapability_IsVideoSizeSupported(OH_AVCapability *capability, int32_t width, int32_t height); | 新增 | 确认当前视频尺寸是否支持 |
| avcapability | OH_AVErrCode OH_AVCapability_GetVideoFrameRateRange(OH_AVCapability *capability, OH_AVRange *frameRateRange); | 新增 | 获取视频帧率范围 |
| avcapability | OH_AVErrCode OH_AVCapability_GetVideoFrameRateRangeForSize(OH_AVCapability *capability, int32_t width, int32_t height, OH_AVRange *frameRateRange); | 新增 | 获取特定尺寸下视频帧率范围 |
| avcapability | bool OH_AVCapability_AreVideoSizeAndFrameRateSupported(OH_AVCapability *capability, int32_t width, int32_t height, int32_t frameRate); | 新增 | 确认当前视频尺寸和帧率是否支持 |
| avcapability | OH_AVErrCode OH_AVCapability_GetVideoSupportedPixelFormats(OH_AVCapability *capability, const int32_t **pixFormats, uint32_t *pixFormatNum); | 新增 | 获取支持的视频像素格式 |
| avcapability | OH_AVErrCode OH_AVCapability_GetSupportedProfiles(OH_AVCapability *capability, const int32_t **profiles, uint32_t *profileNum); | 新增 | 获取支持的模板 |
| avcapability | OH_AVErrCode OH_AVCapability_GetSupportedLevelsForProfile(OH_AVCapability *capability, int32_t profile, const int32_t **levels,uint32_t *levelNum); | 新增 | 获取特定模板情况下的等级范围 |
| avcapability | bool OH_AVCapability_AreProfileAndLevelSupported(OH_AVCapability *capability, int32_t profile, int32_t level); | 新增 | 确认当前模板和等级是否支持 |
| avformat | struct OH_AVFormat *OH_AVFormat_CreateAudioFormat(const char *mimeType, int32_t sampleRate, int32_t channelCount); | 新增 | 创建音频轨的OH_AVFormat（用于avmuxer） |
| avformat | struct OH_AVFormat *OH_AVFormat_CreateVideoFormat(const char *mimeType, int32_t width, int32_t height); | 新增 | 创建视频轨的OH_AVFormat（用于avmuxer） |
| avmemory | OH_AVMemory *OH_AVMemory_Create(int32_t size); | 新增 | 创建OH_AVMemory |
| avmemory | OH_AVErrCode OH_AVMemory_Destroy(struct OH_AVMemory *mem); | 新增 | 销毁OH_AVMemory |
| avcodec | OH_AVErrCode OH_AudioDecoder_IsValid(OH_AVCodec *codec, bool *isValid); | 新增 | 查询当前codec实例是否有效, 可用于故障恢复 |
| avcodec | OH_AVErrCode OH_AudioEncoder_IsValid(OH_AVCodec *codec, bool *isValid); | 新增 | 查询当前codec实例是否有效, 可用于故障恢复 |
| avcodec | OH_AVErrCode OH_VideoDecoder_IsValid(OH_AVCodec *codec, bool *isValid); | 新增 | 查询当前codec实例是否有效 |
| avcodec | OH_AVErrCode OH_VideoEncoder_IsValid(OH_AVCodec *codec, bool *isValid); | 新增 | 查询当前codec实例是否有效 |
| avcodec | OH_AVErrCode OH_VideoEncoder_PushInputData(OH_AVCodec *codec, uint32_t index, OH_AVCodecBufferAttr attr); | 新增 | 将填入数据的输入缓冲区提交给视频编码器 |
| avcodec | OH_AVFormat *OH_VideoEncoder_GetInputDescription(OH_AVCodec *codec); | 新增 | 获取视频编码器接收的描述信息 |