Decompress H.264 1080p stream into NV12 960 x 540 resolution
We are planning to use latest Intel Media SDK (2013 release) to decompress H.264 1080p stream into NV12 960 x 540 resolution.Please confirm if VPP is required to resize this into half or if decoder...
View ArticleSoftware fallback code is provided in HW DLL?
If partial acceleration is all that is available (e.g., the > 1920 x 1200 (1088?) in pre-Haswell CPU) the fallback remains in the HW DLL, correct?In other words, the SW DLL does not need to be...
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Problem with sample_transcode* between SW and HW DLL and
Using the current tutorial sample_decode and sample_decode-d3d, this is my problem I am working on getting around. The attached file (I named it t.264) runs very differently through the HW and SW DLLs....
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Win8 Sample UI Transcode app fails to run
I am using the Win8 Store Sample UI transcode app under Windows 8.1. The application is a fresh build after a fresh install of the Media SDK 2013 R2.Using Visual Studio 2012 to debug the app I get the...
View ArticlePitch of a YUV frame
Hello,I am trying to rewrite the function in common_utils.cpp:mfxStatus ReadPlaneData(mfxU16 w, mfxU16 h, mfxU8 *buf, mfxU8 *ptr, mfxU16 pitch, mfxU16 offset, FILE* fSource) How can a YUV frame have a...
View ArticleAdding an FFMPEG front-end to the sample_multi_transcode sample causes...
I use the Linux Server Intel Media SDK.I ported the windows version example of the sample_decode using ffmpeg to linux and found that both the ffmpeg input version and the regular version ran in about...
View ArticleHigh CPU usage with latest 3345 Graphic drivers update
Hi,I recently updated my drivers from version 3257 to 3345 and noticed an important increase in the CPU usage of my system.I have an 8 cores system and one of those cores goes up to more than 85%...
View ArticleMFX_ERR_NOT_ENOUGH_BUFFER
I am trying to figure out why this command gives a MFX_ERR_NOT_ENOUGH_BUFFER error:sts = mfxENC->EncodeFrameAsync(NULL, YUVFrame, &mfxBS, &syncp);YUVFrame has Y,U, and V pointing to buffers...
View ArticleDifference between SW and QSV encoded streams with Closed Captionning
Hi,I'm using the Media SDK to encode some H264 streams with Closed Captioning mapped has SEI registered user data.My issue is that when encoding with QSV I have some missing SEI messages.The same test...
View ArticleDirectShow decoder and DivX
Dear,I'm trying to decode DivX video stream in DirectShow graph using sample directshow plugins. The stream has FOURCC type DX50. All filters are connected, but DecodeHeader and RunDecode returns error...
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H264 decoder problem with half-sized video
~~Dear, There is quite rare problem with the H264 decoder. I have camera with 4CIF resolution which produces H264 BP+ stream, wherein SPS describes the resolution as 704x288 and with pixel aspect ratio...
View ArticleHow can I stream the H264 video generated by the Media SDK to a website?
So, I started by passing YUV frames, one at a time into the encoder and get out a H264 bitstream. It is working and I can save that to a file and play it via VLC.However, what I would like to do is to...
View ArticleH264 RGB32 VPP not support?
Webcast：src :ffmpeg encode h264 streamFrame：decoder-》N12-》vpp-》rgb32case：vpp init failed -15code： mfxVideoParams.mfx.CodecId = MFX_CODEC_AVC; // Input data VPPParams.vpp.In.FourCC...
View ArticleKey Frame (I/IDR) insertion
Hello,I'm trying to implement key frame insertion into my video encoding process. However, I'm facing issues with it.When calling function MFXVideoENCODE_EncodeFrameAsync (&gop_ctrl, ...), I...
View Articleh264 : restrictions on resolution
Are their any restriction imposed on encoder input/output resolution?I was using DirectShow encoder filter that is included into Media SDK installer. Looks like hardware encoder doesn't work when...
View ArticleIs there any initialization API to achieve high performance depending on the...
Hi ,Is there any initialization API to achieve high performance depending on the processor type in intel media SDK?Just as in IPP, we use ippinit() api which detects the processor type used in the...
View Articleformer version release notes
Hi there! I'm currently using Intel Media SDK 2012 whose API version is 1.3. I notice that the latest version is 1.7 now and I want to upgrade to this version. I want to check the new features...
View ArticleHow to get C for Media Runtime API
I would like to get a copy of library "C for Media Runtime API", it seems not public downloadable. Does it need make some contract or become the partner of Intel? Could you please let me know what's...
View ArticleSeveral issue about new update for linux
I've got the new linux sdk a few days ago, and I'm glad to see some new features be added such as lookahead ,interlaced and etc.But when I used lookahead and interlaced, I found some problem1)...
View ArticleAVC/MVC decoder and Avisynth plugin
Hi,Does anyone already made a AVC/MVC decoder with this SDK ? And greater, does anyone already made an Avisynth plugin with this SDK ?We would like to create an Avisynth plugin with 2 inputs, left and...
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