av_codec部件为OpenHarmony系统提供了统一的音视频编解码、封装、解封装能力,使得应用能够直接调用系统提供的编解码、封装、解封装能力实现音视频的播放、录制、编码等功能。 av_codec部件提供了以下常用功能: 音视频编解码 音视频解封装 音视频封装 图1 av_codec部件架构图 模块介绍 模块名称功能 编解码 提供音视频编...
How to play Youtube videos encoded with AV1 codec. AV1 video format offers good quality, even at lower bit rates.
When theAV_CODEC_FLAG_GLOBAL_HEADERflag is set for a codec, FFmpeg generates the codec headers separately from the data stream. These headers can then be stored in a separate file or location, allowing them to be shared across multiple encoded streams. This can be useful, for example, when...
(avctx->flags&AV_CODEC_FLAG_LOW_DELAY)vc1_decode_frame in vc1dec.c(libavcodec):if(s->avctx->flags&AV_CODEC_FLAG_LOW_DELAY)config_props in vf_mcdeint.c(libavfilter):enc_ctx->flags=AV_CODEC_FLAG_QSCALE|AV_CODEC_FLAG_LOW_DELAY;config_input in vf_uspp.c(libavfilter):avctx_enc->...
AV_CODEC_ID_MPEG1VIDEO, AV_CODEC_ID_MPEG2VIDEO, ///< preferred ID for MPEG-1/2 video decoding AV_CODEC_ID_MPEG2VIDEO_XVMC, AV_CODEC_ID_H261, AV_CODEC_ID_H263, AV_CODEC_ID_RV10, AV_CODEC_ID_RV20, AV_CODEC_ID_MJPEG, ...
guoyao 关联了 openharmony/multimedia_av_codec Issue IC2FR7 4月19日 18:31 展开全部操作日志 openharmony_ci 成员 4月19日 18:32 OpenHarmony-5.0.3-Release所有代码仓合入受控, 请联系分支负责人@aiyongfu: aiyongfu@huawei.com, @shermanzhong: sherman.zhong@huawei.com, @RayShih: shirui721@huawei...
AVVideo 属性 AllowFrameReorderingKey AverageBitRateKey AverageNonDroppableFrameRateKey CleanApertureHeightKey CleanApertureHorizontalOffsetKey CleanApertureKey CleanApertureVerticalOffsetKey CleanApertureWidthKey CodecH264 CodecJPEG CodecKey CompressionPropertiesKey ...
jens-bongartzchanged the titleC.av_codec_interateApr 22, 2019 Author jens-bongartzcommentedApr 23, 2019• edited OK. After installing FFmepg 4.1.3 (which took a while and a lot of "apt-get" of missing packages) and removing the outdated libav*** packages the error disappeared. But a ...
CODECAPI_AVEncSliceControlModeに SetValueが呼び出されない場合、CODECAPI_AVEncSliceControlModeの GetValueはVFW_E_CODECAPI_NO_CURRENT_VALUEを返すことができます。GetDefaultValueは、CODECAPI_AVEncSliceControlModeのVFW_E_CODECAPI_NO_DEFAULTを返す場合があります。
AVEncAudioIntervalToSkip AVEncAudioMapDestChannelN AVEncAudioMeanBitRate AVEncCodecType AVEncCommonBufferInLevel AVEncCommonBufferOutLevel AVEncCommonBufferSize AVEncCommonFormatConstraint AVEncCommonLowLatency AVEncCommonMaxBitRate AVEncCommonMeanBitRate AVEncCommonMeanBitRateInterval AVEncCommonMinBitRate AV...