1# Native API 差异报告 2 3OpenHarmony 4.0.8.5 版本相较于OpenHarmony 之前的版本的API变更如下: 4 * 5## 标准系统接口变更 6 7| 模块名称 | 接口名称 | 变更类型 | 变更说明 | 8| -------- | ------------------------------------------------------------ | -------- | -------------------- | 9| avmuxer | OH_AVMuxer \*OH_AVMuxer_Create(int32_t fd, OH_AVOutputFormat format); | 新增 | 创建OH_AVMuxer | 10| avmuxer | OH_AVErrCode OH_AVMuxer_SetRotation(OH_AVMuxer \*muxer, int32_t rotation); | 新增 | 设置视频旋转角度 | 11| avmuxer | OH_AVErrCode OH_AVMuxer_AddTrack(OH_AVMuxer \*muxer, int32_t \*trackIndex, OH_AVFormat \*trackFormat); | 新增 | 添加媒体轨 | 12| avmuxer | OH_AVErrCode OH_AVMuxer_Start(OH_AVMuxer \*muxer); | 新增 | 开始封装 | 13| 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 | 14| avmuxer | OH_AVErrCode OH_AVMuxer_Stop(OH_AVMuxer \*muxer); | 新增 | 停止封装 | 15| avmuxer | OH_AVErrCode OH_AVMuxer_Destroy(OH_AVMuxer \*muxer); | 新增 | 销毁OH_AVMuxer | 16| avsource | OH_AVSource *OH_AVSource_CreateWithURI(char *uri); | 新增 | 根据 URI 创建 OH_AVSource | 17| avsource | OH_AVSource *OH_AVSource_CreateWithFD(int32_t fd, int64_t offset, int64_t size); | 新增 | 根据 FD 创建OH_AVSource | 18| avsource | OH_AVErrCode OH_AVSource_Destroy(OH_AVSource *source); | 新增 | 销毁 OH_AVSource | 19| avsource | OH_AVFormat *OH_AVSource_GetSourceFormat(OH_AVSource *source); | 新增 | 获取 source 信息 | 20| avsource | OH_AVFormat *OH_AVSource_GetTrackFormat(OH_AVSource *source, uint32_t trackCount); | 新增 | 获取 track 信息 | 21| avdemuxer | OH_AVDemuxer *OH_AVDemuxer_CreateWithSource(OH_AVSource *source); | 新增 | 根据 source 创建 OH_AVDemuxer | 22| avdemuxer | OH_AVErrCode OH_AVDemuxer_Destroy(OH_AVDemuxer *demuxer); | 新增 | 销毁 OH_AVDemuxer | 23| avdemuxer | OH_AVErrCode OH_AVDemuxer_SelectTrackByID(OH_AVDemuxer *demuxer, uint32_t trackIndex); | 新增 | 选择需要解封装的轨道 | 24| 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 | 25| 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 | 26| avdemuxer | OH_AVErrCode OH_AVDemuxer_SeekToTime(OH_AVDemuxer *demuxer, int64_t millisecond, OH_AVSeekMode mode); | 新增 | 跳转到指定时间 | 27|avcapability|OH_AVCapability *OH_AVCodec_GetCapability(const char *mime, bool isEncoder);|新增|获取系统推荐的能力句柄| 28|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| 29|avcapability|bool OH_AVCapability_IsHardware(OH_AVCapability *capability);|新增|确认是否是硬件编解码器| 30|avcapability|const char *OH_AVCapability_GetName(OH_AVCapability *capability);|新增|获取codec名字| 31|avcapability|int32_t OH_AVCapability_GetMaxSupportedInstances(OH_AVCapability *capability);|新增|获取最大支持的实例数| 32|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| 33|avcapability|bool OH_AVCapability_IsEncoderBitrateModeSupported(OH_AVCapability *capability, OH_BitrateMode bitrateMode);|新增|确认码控模式是否支持| 34|avcapability|OH_AVErrCode OH_AVCapability_GetEncoderQualityRange(OH_AVCapability *capability, OH_AVRange *qualityRange);|新增|获取编码质量范围| 35|avcapability|OH_AVErrCode OH_AVCapability_GetEncoderComplexityRange(OH_AVCapability *capability, OH_AVRange *complexityRange);|新增|获取编码复杂度范围| 36|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| 37|avcapability|OH_AVErrCode OH_AVCapability_GetAudioChannelCountRange(OH_AVCapability *capability, OH_AVRange *channelCountRange);|新增|获取音频通道数范围| 38|avcapability|OH_AVErrCode OH_AVCapability_GetVideoWidthAlignment(OH_AVCapability *capability, int32_t *widthAlignment);|新增|获取视频宽对齐| 39|avcapability|OH_AVErrCode OH_AVCapability_GetVideoHeightAlignment(OH_AVCapability *capability, int32_t *heightAlignment);|新增|获取视频高对齐| 40|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| 41|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| 42|avcapability|OH_AVErrCode OH_AVCapability_GetVideoWidthRange(OH_AVCapability *capability, OH_AVRange *widthRange);|新增|获取视频宽范围| 43|avcapability|OH_AVErrCode OH_AVCapability_GetVideoHeightRange(OH_AVCapability *capability, OH_AVRange *heightRange);|新增|获取视频高范围| 44|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| 45|avcapability|OH_AVErrCode OH_AVCapability_GetVideoFrameRateRange(OH_AVCapability *capability, OH_AVRange *frameRateRange);|新增|获取视频帧率范围| 46|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| 47|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| 48|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| 49|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| 50|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| 51|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| 52|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)| 53|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)| 54|avmemory|OH_AVMemory \*OH_AVMemory_Create(int32_t size);|新增|创建OH_AVMemory| 55|avmemory|OH_AVErrCode OH_AVMemory_Destroy(struct OH_AVMemory \*mem);|新增|销毁OH_AVMemory| 56| 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 | 57| 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 | 58| avcodec | OH_AVErrCode OH_VideoDecoder_IsValid(OH_AVCodec \*codec, bool \*isValid); | 新增 | 查询当前codec实例是否有效 | 59| avcodec | OH_AVErrCode OH_VideoEncoder_IsValid(OH_AVCodec \*codec, bool \*isValid); | 新增 | 查询当前codec实例是否有效 | 60| 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 | 61| 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 |