If you want better results, then use those cuda to hardware accelerate the decoding of streams to feed to x264. There are two types of encoders, hardware and software. Its definitely not the most sophisticated program weve ever seen, but it seems to work fairly well if. This allows 50% more compression capacity over an existing ip. Software and hardware decoding can produce the same results hardware is running software to do the decoding, but as its hard wired, it runs it quicker than software running on a general purpose processor. Pros and cons of using a hardware or software encoder in your live video. Dedicated pieces of hardware that run encoding algorithms. In addition, wirecast offers some great sports features to enhance any live sports broadcast. Hardware decoding vs software decoding in 4k h264h265 video. This thread is a quick compilation of the faqs being asked around and answered related to gpu and hardware encoding 1. What is hardware video decoding, and should i enable it.
I have read user comments here that suggest the use of the h264 hardware decoding options in convertxtohd can speed up encoding times but will give less quality results than letting the program use your cpu only for the encoding. What is the difference between hardware decoding and software. What is the difference between hardware decoding and. Encoding and decoding are actually the process through which data is transferred into such shape which is understand able for receiver. The path to get to the hardware decoder may be different on your device. Hardwareencoding means that the encoding is hardware accelerated en. Elgato game capture hd and hardware accelerated decoding.
Apr 14, 2020 overall, the performance with gpu hardware acceleration is very impressive. Difference between encoding and decoding encoding vs. This is a common reason to disable hardware acceleration in an apps options, unfortunately, but it does happen. Encoding, decoding, and transcoding are three core processes that underlie the speedy transfer of video files to a playable format for your viewers around the world. It means there is a small chip on the motherboard specifically dedicated to decoding h264 video. Using the free, softwarebased transcoding in plex media server. When hardwareaccelerated decoding is not compatible with a video file, plex media server will automatically use normal software decoding.
Intel hd graphics 630 hevc hardware encodingdecoding. Hardware vs software encodingdecoding comparison did anyone conduct a comparison between hardware and software in both decoding and encoding using amd and nvidia gpus. Hardware encoders are turnkey devices with dedicated processing power for low latency encoding of video streams whereas software. But even at that a 700800mhz processor can usually do software decoding without a glitch if the drive can keep up and the filters are any good. So enabling hardware encoding does not take significant resources away from the gpu for rendering the game although it will push up the thermal load, even if that silicon is superefficient, so can have some impact on perf. Hardware encoding takes some of the load off of cpu but requires a much higher bitrate to make up for the loss of quality. What is the difference between hardware encoding and. Everything you need to know about hardware and software encoders. If i had to rank all of them quality wise i would probably rank them like this. Where the modes communication matters a lot here this also has utmost importance that you message should be conveyed properly. This is the most efficient way to go in terms of processor resources and electrical consumption. Oct 04, 2012 but software based encoding has some drawbacks.
Softwareencoding means that the encoding is handled by software that runs on a general purpose. Software encoding means that the encoding is handled by software that runs on a general purpose. A hardware decoder is something like an xcard or hollywood plus there were some quadrant cards also. Consequently, hardware decoding has an edge over software decoding in this round. Today we investigate the advantages and disadvantages of hardware vs software streamingrecording setups and why you might choose one over the.
Hardware vs software encoding decoding comparison did anyone conduct a comparison between hardware and software in both decoding and encoding using amd and nvidia gpus. What is hardware acceleration and why does it matter make. If you play back a 24bit192khz mqaencoded file using itunes through a regular dac i. Which make it little bit confusing to select best one for you. These hardware encoders does not require high maintenance. This option will allow your gpu graphics processing unit to process certain video data, instead of your cpu doing it. But most importantly, it really brings the latency down on your games. The most important parameters of encoding are quality, flexibility, price, latency, and support. This dedicated hardware for hardware encoding gives the low latency while streaming.
Power consumption will get sharply increased in software decoding, almost 7688mw for 1080p and 14400mw for 4k 2160p video. But remember, parsec on software decoding is not awesome. Software encoding s greatest advantages over pure hardware encoders are its flexibility and quality. The beginners guide to video encoding, decoding, and. Data properties, like whether a data field or column is numerical vs. For best quality results, h264 hardware decoding on or off. Also, this in general is what hardware decoding in terms of graphics will refer to, so you can watch out for it elsewhere. For example, you can insert scoreboards, live replays, and even realtime scoreboards with wirecast encoding software. Just as with encoding, this assumes the steam software is configured to work well with your hardware but the likely worst case is that it doesnt have the right hooks for your modelgeneration of celeron and reverts to software decoding even if you have hardware selected. What is the difference between hardware encoding and software. So when hardware encoding is the only performance factor was in these test it takes about 1. The hardware encode setting refers to intel quicksync, a dedicated video encode decode block in intels integrated gpus. Even in hardware encoding, theres software in the firmware, so in a way its all software.
Encoding is the process of compressing large video files for easier uploading to the internet. It consume low amount of power for encoding than software encoders. So long as the instructions sets are the same, we are dealing with identical images, regardless of who manufactures the hardware. Hardware encoders are based upon dedicated processors and they follow specific algorithms for video encoding. There are basically two types of encoders named as software encoder and hardware encoder which results software encoding and hardware encoding respectively these two types of encoders are having different functionality and use cases. Softwarebased decoding is a different beast altogether.
When it comes to video encoding, the choice between hardware and software. What makes a software video encoder have a higher quality than hardware video. The marshall vs102hdi is a high definition video server that allows realtime transmission of hdmi or ntscpal composite video signal along with bidirectional aac encoded high definition stereo audio over standard ip networks and the internet. What is hardware acceleration and why does it matter. Apr 23, 2016 hardware device was lost due to system lock or shutdown. Intel quick sync video is intels brand for its dedicated video encoding and decoding hardware core. Encoding decoding free is a simple program that lets users easily encrypt and decode files. Theoretically, hardware encoding should be more efficient and be much faster than software. What platforms and devices are supported for gpu encoding mcebuddy supports intel quicksync, nvidia nvenccuda and amd vceamf which are used for decoding and encoding h.
To use intel quicksync, see faq 2 for driver details for h. Examples of such software with quick sync support during encoding processes are emby media. Software versus hardware accelerated decoding parsec. They are available in form of portable, small boxes. Hardware encoding means that the encoding is hardware accelerated en. The software designed to utilize the hardware isnt doing it well or cant run as stably as it does when using only the cpu. This is a good thing if your gpu will do a better job than your cpu it will take load off the cpu and hopefully make the application run smoother. See the steps at the end of this article for the basics. That being said, if your computer doesnt have a hardware decoder, you can try using software decoding. The encoding, decoding, or video processing operation may be partially accelerated. The key difference is that a hardware encoder is a piece of physical equipment youll. This post addresses the benefits of using a hardware encoder vs. Intel quick sync video is intels brand for its dedicated video encoding and decoding hardware.
The hardware does not fully support the specified configuration. If the hardware sucks or youre not telling the controls to use adequate bitrate youll end up with mediocre results. Whats the difference in sdi signals 3g, 6g, 12g, quad link, etc. They get data from the capture cards, and they send it via the internet. If hardware decoding is possible, use hardware decoding and leave software decoding for anything that the hardware decoder doesnt support. It is either hardware encoding or software encoding. Encoding computer programs you run on a personal computer. Video cards can do hardware assist at best and even that often requires tweaking. This is the stuff that lives inside the machine, and that we can formalize very easily. Little more advance knowledge about both the difference is quality of algorithms, and whether the algorithm has to work on a livelinear stream or not.
Software has always been able to adopt and update incredibly fast. However, youve encountered one of the problems with hardware encoding. Now, you know a thing or two about the differences between hardware decoding and software decoding and their respective advantages. These encoders are commonly used by professionals due to their awesome video quality. This makes obs studio a great software encoder for dacast users. Games freeze after a while, dont know if hardware or software is involved. Today we investigate the advantages and disadvantages of hardware vs software streamingrecording setups and why you might choose one. Which means that a piece of a chip has been specifically designed for a single task, in which it excels. May 25, 2020 power consumption will get sharply increased in software decoding, almost 7688mw for 1080p and 14400mw for 4k 2160p video. Sometimes they connect straight to the camera and always to the internet. Exact capabilities will depend on what youre using for the hardwareaccelerated decoding e. May 08, 2020 in addition, wirecast offers some great sports features to enhance any live sports broadcast. Software based decoding is a different beast altogether. Broadcasters use either a hardware or software video encoder for.
It provides the medium quality of video than software encoding. Software decoding is a default setting that uses your mobile devices cpu to interpret your videos so that you can view them. There are three popular hardware decoding brands that are worth noting. Likewise, wilkinsons grammar of graphics has a formalism for many different ways of encoding numbers. Hardware decoding vs software decoding would be mentioned most in the. The main a6 processor is not using or spending cycles decoding video, it has essentially outsourced that job to a highly specialized worker. Jan 11, 2017 an mqa encoded file can be played back in four ways. Dec 08, 2016 hardware designers have been more focused on getting hevc decoding blocks into mobile hardware first, as the cpus in these products typically arent fast enough for software decoding.