#3396: Intel DXVA2 H.264 Improvements for SNB GPUs -------------------------------------+------------------------------------- Reporter: afedchin | Type: Status: new | enhancement Component: avcodec | Priority: normal Keywords: dxva h264 | Version: git- Intel | master Blocking: | Blocked By: Analyzed by developer: 0 | Reproduced by developer: 0 -------------------------------------+------------------------------------- There are a set of patches for add some improvements for SandyBridge/IvyBridge Intel GPUs. This still actual for SNB GPU. The latest drivers for IVB/Haswell doesn't include the old DXVADDI_Intel_ModeH264_E device and doesn't experience the issue but SNB still. http://patches.libav.org/patch/35320/ http://patches.libav.org/patch/35321/ See discussion https://lists.libav.org/pipermail/libav- devel/2013-March/043945.html for more info. The main issue is h264 with refs > 11 decoded on DXVADDI_Intel_ModeH264_E device with artifacts. And solution is use standard Microsoft H264 device DXVA2_ModeH264_E but decoding with Microsoft H264 on SNB will no work without this improvements. This still actual for lastest git-master. -- Ticket URL: <https://trac.ffmpeg.org/ticket/3396> FFmpeg <https://ffmpeg.org> FFmpeg issue tracker