Tag: H.265

A few interesting observations about NVIDIA Turing video encoders

GPU NVIDIA GeForce GTX 1080 Ti NVIDIA GeForce GTX 1660 Ti Microarchitecture Pascal Turing H.264 NV_ENC_CAPS_SUPPORT_FIELD_ENCODING Yes No H.264 NV_ENC_PRESET_HP_GUID entropyCodingMode NV_ENC_H264_ENTROPY_CODING_MODE_CAVLC NV_ENC_H264_ENTROPY_CODING_MODE_CABAC H.265/HEVC NV_ENC_CAPS_NUM_MAX_BFRAMES 0 5 H.265/HEVC NV_ENC_CAPS_SUPPORT_TEMPORAL_AQ No Yes Apart from the capabilities, a whitepaper mentions these H.265/HEVC improvements: Turing GPUs also ship with an enhanced NVENC encoder unit that adds support for…

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Media Foundation incorrectly reports resolution for H.265/HEVC video tracks

Another problem (bug) with Microsoft Media Foundation MPEG-4 Media Source H.265/HEVC handler is that it ignores conformance_window_flagflag and values from H.265’s seq_parameter_set_rbsp (see H.265 spec, F.7.3.2.2.1 General sequence parameter set RBSP syntax). The problem might or might not be limited to fragmented MP4 variants. It is overall questionable whether it has been a good idea…

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Greetings from H.265 / HEVC Video Decoder Media Foundation Transform

H.265 / HEVC Video Decoder Media Foundation has been around for a while, but using Media Foundation overall one step off straightforward basic paths is like walking a minefield. A twenty-liner below hits memory access violation inside IMFTransform::GetInputStreamInfo “Exception thrown at 0x6D1E71E7 (hevcdecoder.dll) in MfHevcDecoder01.exe: 0xC0000005: Access violation reading location 0x00000000.”: #include “stdafx.h” #include <mfapi.h>…

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AMD started offering hardware H.265/HEVC video encoder for Media Foundation

It should be good news for those interested in hardware assisted video encoding as AMD extends offering in their new hardware and offers H.265 encoder in already well-known form factor: as a Microsoft Media Foundation Transform “AMDh265Encoder”: # System * Version: 10.0.14393, Windows 10, VER_SUITE_SINGLEUSERTS, VER_NT_WORKSTATION * Product: PRODUCT_PROFESSIONAL […] # Display Devices * AMD…

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