Chandra Kadari Email & Phone Number

London Area, United Kingdom

Upgraded Video Format Conversion (VFC) card software and drivers to latest version of Petalinux, Xilinx Vivado and Vitis.• Upgraded the VFC software and OS to support Petalinux 2019.1 and 2021.2 versions.• Updated the kernel modules of timers and SPI, applied Kernel patches for various drivers• Configured Device Tree as per the VFC MicroBlaze hardware.• Modified the drivers and ST2110 modules according to hardware changes.• Build, deploy and test the images for… Show more Upgraded Video Format Conversion (VFC) card software and drivers to latest version of Petalinux, Xilinx Vivado and Vitis.• Upgraded the VFC software and OS to support Petalinux 2019.1 and 2021.2 versions.• Updated the kernel modules of timers and SPI, applied Kernel patches for various drivers• Configured Device Tree as per the VFC MicroBlaze hardware.• Modified the drivers and ST2110 modules according to hardware changes.• Build, deploy and test the images for Petalinux 2019.1 and 2021.2 versions.Key Skills: C, PetaLinux, Yocto, Xilinx MicroBlaze, Jira, ST2110, ST2059 Show less

Southampton, England, United Kingdom

Developed features for the liveTranscoder application to transcode the audio and video IPTV, ITV and OTT in docker containers.• Written framework for ST2110, 22-7 for Rivermax media library.• Developed UI using java scripts for liveTranscoder application.• Created statistics monitoring of microservices with Prometheus UI.• Implemented automated and manual functional tests for various modules to validate audio, video transcoding applications using robot framework.• Built… Show more Developed features for the liveTranscoder application to transcode the audio and video IPTV, ITV and OTT in docker containers.• Written framework for ST2110, 22-7 for Rivermax media library.• Developed UI using java scripts for liveTranscoder application.• Created statistics monitoring of microservices with Prometheus UI.• Implemented automated and manual functional tests for various modules to validate audio, video transcoding applications using robot framework.• Built dimensioning tool to measure the density (cpu/gpu) of video & audio codecs.• Implemented the functionality of CMAF DASH index & timeline encryption with key rotation.• Developed QA integration tests for low delay video encoding modes.Key Skills: C++, Intel QSV, Broadcast TV, IPTV, ITV, Video, H264, H265, Mpeg2, ST2210/22-7, Intel MediaSDK, CMAF, Kontron-T1, AVP2000, AVP4000, Intel’s CPU & GPU Show less

High Wycombe, England, United Kingdom

I worked in the one of the software team to deliver the features into audio video transcoder.• Developed video encoding and decoding QSV framework for Intel's GPU hardware accelerators.• Completed the analysis, requirement gathering and prototyping of different stages in high level decoder.• Developed the overnight test framework using python/bash scripts to validate QSV encoder and decoder functionality. • Developed the UI stats page for primary and secondary sources of… Show more I worked in the one of the software team to deliver the features into audio video transcoder.• Developed video encoding and decoding QSV framework for Intel's GPU hardware accelerators.• Completed the analysis, requirement gathering and prototyping of different stages in high level decoder.• Developed the overnight test framework using python/bash scripts to validate QSV encoder and decoder functionality. • Developed the UI stats page for primary and secondary sources of audio & video when using Rivermax media library.• Designed and developed Motion Compensated Temporal Reference Filter MCTRF on AVP4000 transcoder.Key Skills: C++, Intel QSV, Broadcast TV, IPTV, ITV, Video, H264, H265, Mpeg2, Intel MediaSDK, Robot framework, RTC tool, Processors: ASProCore, Line Dancers, Intel’s CPU & GPU, AVP2000, AVP4000 Show less

High Wycombe, England, United Kingdom

I worked in a team to write highly optimized low level embedded qCode and high level interface for inhouse developed hardware ASProCore architecture.• Developed high-performance software on software programmable ASProCore architecture. • Designed and developed the Input Picture Analysis of raw video frames.• Developed high performance low level qCode for encoding and decoding of H.264 and Mpeg2 video codecs.• Involved in the design and development of software for inter… Show more I worked in a team to write highly optimized low level embedded qCode and high level interface for inhouse developed hardware ASProCore architecture.• Developed high-performance software on software programmable ASProCore architecture. • Designed and developed the Input Picture Analysis of raw video frames.• Developed high performance low level qCode for encoding and decoding of H.264 and Mpeg2 video codecs.• Involved in the design and development of software for inter processor communications among CPUs and qCode on a multi-processor architecture.• Optimized the qCode using the gtkWavefor better performance. • Developed test framework to verify encoding and decoding functionality at module level.Key Skills: C, Assembly, SIMD, qCode, ASProCore, Line Dancers Show less

Pune, Maharashtra, India

Mainly worked in the design and development of robust transcoding system with multi-chip, multiple work orders and integration with Audio Video Cross Bar (AVCB).• My responsibilities were to write optimised functions which performs the low-level encoding and decoding of video.• My role in the design of transcoding system includes the development of framework to handle multiple video formats and bitrate scenarios and manage the application to low-level interface to Deblocking filter,… Show more Mainly worked in the design and development of robust transcoding system with multi-chip, multiple work orders and integration with Audio Video Cross Bar (AVCB).• My responsibilities were to write optimised functions which performs the low-level encoding and decoding of video.• My role in the design of transcoding system includes the development of framework to handle multiple video formats and bitrate scenarios and manage the application to low-level interface to Deblocking filter, Motion estimation, compensation, and interpolation on VICP of DM648VICP.• I have also involved in the optimisation some critical blocks like integer transform, quantization and inverse quantization.• Optimized C++ transcoding system for high-performance.Key Skills: C, C++, Assembly, Video codecs, Audio codecs, Real-time systems, Multithreaded applications, TMS320DM648, TMS320DM6446(DaVinci) Show less

Hyderabad, Telangana, India

Vastly involved in writing low level assembly and embedded software for various DSP processors to implement speech codecs and WLAN specifications.• Involved in the development and testing of speech encoding & decoding. • Ported speech codecs G723, G726, G728, G729ab in assembly language on various DSP platforms like ZSP, BOPS, TI and ARM. • Developed an optimized framework to provide the simultaneous data samples to multiple processing elements for BOPS processor to… Show more Vastly involved in writing low level assembly and embedded software for various DSP processors to implement speech codecs and WLAN specifications.• Involved in the development and testing of speech encoding & decoding. • Ported speech codecs G723, G726, G728, G729ab in assembly language on various DSP platforms like ZSP, BOPS, TI and ARM. • Developed an optimized framework to provide the simultaneous data samples to multiple processing elements for BOPS processor to achieve parallelism• Developed a video conferencing system using TI’s OMAP2430 processor.• Designed and implementation of inter-processor communication, preparation of messaging for data transfers, DSP modules integration and testing on OMAP1710 (ARM926+C55x).• Developed optimized assembly code on TI6416 DSP processor for WLAN 802.11b.Key Skills: C, Assembly, DSP, Speech Codecs, WLAN, Fixed point C, VoIP, G.167, G.723, G726, G.728, G.729ab, SIMD, MIMD, TIC5416, TiC5510, TiC6416, ZSP, BOPS, ARM926, OMAP Show less