The effect used is Cubemap. Topaz Video AI Bugs and Issues. Apple has released the ProRes RAW codecs for Windows in beta form, enabling these files to be handled by certain apps. mov file. This delivers the flexibility of RAW video with the incredible performance of ProRes in a format ideal for high-dynamic-range. prores-ks私有选项. 264 is meant for distribution and ProRes is meant for mastering. If you want to flag ProRES as full range you add: -color_range pc. In simple terms, a codec is what allows the vast amount of information coming from your camera sensor to be compressed into manageable file sizes. the alpha encoding funcs. The only time I’ll for sure choose BRaw is if it’s green screen or heavier compositing work where the extra color depth and sub sampling actually provide a lot of value to the finished product. ProRes RAW HQ offers data rates between ProRes 422 HQ and ProRes 4444, popular choices for high-end film productions and advanced visual effects work. Next message (by thread): [FFmpeg-cvslog] avcodec/prores_aw : only set color prim, trc, space values if supported Messages sorted by: [ date ] [ thread ] [ subject ] [ author ] More information about the ffmpeg-cvslog mailing listApple ProRes (via FFmpeg) 🟢. This software enables playback of ProRes RAW and ProRes RAW HQ video files in compatible applications on Windows systems. Now, the ProRes compression, is a very light compression. Subscribe to our YouTube channel to get new episodes of DPReview TV every week. Then go fixit in post. Your iPhone supports these resolutions and frame rates: ProRes support for 256 GB, 512 GB and 1 TB storage capacity: 4K at 60 frames per second (fps), iPhone 15 Pro and iPhone 15 Pro Max only, when using an external storage device that supports speeds of at least 220MB per second and maximum power draw of 4. Here’s a quick summary of the benefits: . Watch on. mov -c copy -bsf:v prores_metadata=color_primaries=bt709:color_trc=bt709:colorspace=bt709 chip-chart-yuvconvertasicnclcmetadata. B. Prores SQ ffmpeg commend below:-c:v prores_ks -profile:v 2 -qscale:v 7 -vendor ap10 -pix_fmt yuv422p10le -acodec pcm_s16le DNxHR SQ comman below:-c:v dnxhd -profile:v dnxhr_hq -pix_fmt yuv422p -acodec pcm_s16le I end up with DNxHR SQ files that are roughly 6x the size of what i thought was a comparable ProRes counterpart. 4 is the viewing environment - 2. Log vs. 1. This new algorithm helps to reduce noise and improve the dynamic range in ProRes capture. braw give you 12 bit of depht against 10bit. Offers nearly all the benefits of ProRes 422 HQ but at only 66% of the data rate. 1 Private Options for prores-ks. 30 percent smaller file sizes. Correct allocation is not implemented. profile integer Select the ProRes profile to encode. For reliability and affordability, files are recorded to AtomX SSD mini SATA drives in the Ninja V. The input has full chroma sub-sampling and is 12-bit, and, by default, ffmpeg will try to retain as much fidelity as possible when converting the pixel format for the output encoder. Hello fellow professionals, Now that Adobe added Cineform option to our export possibilities, I can see how hugely beneficial this can be to PC users, however, I was wondering when working on MAC, having access to exporting Prores. 5MB/sec ProRes 422 LT = 12. mov. Nota: Apple ProRes 4444 XQ requiere OS X v10. Manually installing and using the static binary of ffmpeg 3. 264/265. 1 Answer. ProRes codecs have been an industry standard for a long time, but the codecs themselves are getting a little long in the tooth. png" -c:v prores_ks -profile:v 4 -alpha_bits 16 -y "proresWithAlpha. No, use DNxHR HQ for 8 bit, HQX for 10-12bit. 1 Answer Sorted by: 4 i need to get prores444 Do you mean ProRes 4444? It's still called "4444" even if you don't use the alpha channel. Another thing you could try is to stay with the prores_ks codec and add the -qscale:v parameter that might work. mov. Occurs with YUV 4:4:4, YUV 4:2:2, YUV 4:2:0, RGB 8-Bit types, ProRes KS & ProRes AW (likely other options as well), PCM & AAC audio (likely other options as well), all frame rate and resolution options. Thu Sep 01, 2016 12:18 am. I used this command to test it out (input excluded): -c:v prores_ks -f mov -profile:v 4444 test. vignali at gmail. For an 89% reduction in file size the quality is. 2MB/sec ProRes 422 Proxy = 5. ProRes is a codec technology developed by Apple for high-quality, high-performance editing in Final Cut Pro. These should be correct encoder names: Apple ProRes 422 Proxy Apple ProRes 422. Tue Feb 11, 2020 11:53 pm. So the difference in file size and data rate is rather small (this was using. ProRes is a codec technology developed by Apple for high-quality, high-performance editing in Final Cut Pro. You can edit Apple ProRes files in the Photos app or iMovie on iPhone, iPad, and Mac, Final Cut Pro for iPad and Mac, or in third-party editing apps that support ProRes. The LUMIX BGH1 Box camera includes a Micro Four Thirds 10. Triple native ISO 80 / 160 / 800. ProRes RAW also provides maximum flexibility for adjusting the look of your video while extending brightness and shadows. ProRes is one of the most preferred and used codecs in post-production environments. 264 footage in FCP 7 or earlier, so you really don’t have much of a choice. 77 MB. 97 fps. Mov ProRes, but the ProRes AW/KS encoder doesn't have an option for the wrapper so I guess it only converts to AVI ProRes, anyway i always get the error: "AVISource: couldn't locate a decompressor for fourcc", and I. I am running OBS Studio 29. Apple ProRes is a compressed video format, or codec, designed to produce high-quality, high-performance files for video production and post-production without taking up unnecessary space. Limited to 12 bit. Select Help > Log Files > Upload Current Log File. So, if you want to do and need alpha channel support, prores_ks is the way to test1. Hmm, dunno. @Tomasz-Pietryszek A popular and widely used open-source codec, although not certified by Apple, is prores-ks. 265) In order to keep the comparison blind, I then converted both the ProRes and H. Just downloaded Voukoder and had a quick play. This video uses a Voukoder of my own settings based on Josh's video ( see above) File Size: 1:12 MB. The highest-quality version of Apple ProRes for 4:4. 71 brings new and improved shooting modes when paired with both the Ninja V and Ninja V+, as well as slider adjustments for White Balance and ISO controls in Final Cut Pro X. The ProRes codec (both encoder and decoder) is supported by ffmpeg (by default). In 4K, you'd sit at 182Mb and 410Mb respectively (both at 30p). Xiaomi 14 Pro Apple ProRes 422 HQ video, and 19 streams of Apple ProRes 4444 video, all at 4096x2160 resolution and 59. AW-UR100. Apple ProRes encoder. (However, 4444 XQ is a newer format and isn't as widely supported as ProRes 4444 -- yet). An established element in many professional production pipelines, ProRes RAW has been adopted now by over 50 different cameras from leading Japanese manufacturers, with more on the way. If you are comfortable with ffmpeg, you can use it to output your final result directly here. 264, HEVC, etc. Apple QuickDraw. ffmpeg. One can find the permissive values with ffmpeg -h encoder=prores or similar for other codecs such as h264. It would be nice to have ProRes 444 as output format in order to upscale ProRes 444 files properly and keep the 12bit color depth. Apple ProRes RAW applies ProRes compression technology to RAW image data from the camera sensor. id RoQ video. The how of that is its own tutorial, and beyond the scope of this one. These are the four codecs I would recommend, each for a different reason: HuffYUV (4:2:2 8-bit only) in a MKV container. You won't want less than ProRes 422 HQ for final results anyway. H264/h265 appear at this point to be largely identical. Cineform is an excellent alternative, but a bit slower on Macs. ProRes data rates for 1080p25: ProRes 422 HQ = 26. Fmpeg comes with 3 different prores encodes: "prores", "prores_ks" (formerly named "prores_kostya") and "prores_aw" (formerly named "prores_anatolyi"). It's also a lot faster to encode than h. I want to maximize my gear to get the best possible quality for both stream and recording. 2K. Jaron Schneider. published 6 June 2022 Apple ProRes, isn't ProRes RAW. Il préserve la qualité visuelle au plus près du ProRes 4444 mais pour des sources d’images 4:2:2. mov. % ffmpeg -i input -c:v prores -profile:v 3 output ffmpeg version 3. "C compiler gcc C library glibc ARCH x86 (generic) big-endian no runtime cpu detection yes yasm yes MMX enabled yes MMXEXT enabled yes 3DNow! enabled yes 3DNow! extended enabled yes SSE enabled yes SSSE3 enabled yes AVX enabled yes XOP enabled yes FMA3 enabled yes FMA4 enabled yes i686 features enabled yes. 97 fps. Compatible Applications. Apple ProRes is a particular standard (different from H. profile <integer> : You can use this option to choose the. On 3/21/2019 5:33 PM, Paul B Mahol wrote: > On 3/16/19, Martin Vignali <martin. Apple ProRes is a high quality intermediate codec used for insanely fast editing performance, at the cost of extreme CPU, Memory and Disk requirements compared to other codecs. The problem is that RED claims ProRes RAW uses technology it owns for compressing those Raw files to make them. The crash occurs indepedent of the export codec (ProRes, H264 (Software), H264 (NVENC) or container picked (MOV, MP4). This was met by industry professionals with a mixture of excitement and incredulity. mov ffmpeg will be converting to a legal range, not using the full range. Re: Render to Prores from WIndows. Alright. Even under extreme stress testing (heavy grading) we see no difference between the two. Regardless, you cannot reliably edit h. DNxHR 444 and ProRes 4444 XQ are the only codecs that fully preserve the details needed in HDR- (high-dynamic-range) imagery. 77 MB. 7% of the reference, or ~5x the size of H. ProRes RAW has advantages over cDNG in ease of use and file size efficiency as well in some cases. 8x faster than REDCODE 5. So yeah raw is objectively better. If the exported file is going to end up being transcoded to H. The Apple prores spec says for 4444 (XQ) the alpha channel is 16bit and lossless so this is quite different from that. He did throw a LUT on the footage to get it looking okay. It’s important to note that BlackMagic RAW is limited to 12 bit. Prores_ks has the most options: Code: Select all Encoder prores_ks [Apple ProRes (iCodec Pro)]: General capabilities: threads The color difference between prores_ks and aw, have been fixed, by setting the color prim, trc, space in prores frame header in prores_aw (already in master, patch on mailing list about this, are only to restrict the valid values) As far as i know, quicktime (and prores), doesn't have a way to set as full or legal range. Topaz Video AI Ideas. But that's 4K; the bitrate you mention for Prores Proxy and LT are for FullHD. The verdict between ProRes and H. This is a major drawback. This delivers the flexibility of RAW video with the incredible performance of ProRes in a format ideal for high-dynamic-range. ProRes is a codec technology developed by Apple for high-quality, high-performance editing in Final Cut Pro. The Pocket Cinema Camera 4K uses our new demosaic algorithm developed with Blackmagic RAW, before encoding to ProRes. S. ffmpeg will convert to prores, so you cold just render NDxHD or NDxHR out of DR and then use ffmpeg to transcode to prores. It can be overridden through -profile. BMD supports ProRes in their cameras and in Resolve and, with the right licensing deal, can do the same with ProRes RAW. 在. DCI and UHD 4K up to 160 fps. Is prores_ks alternative to prores444 Not exactly. This delivers the flexibility of RAW video with the incredible performance of ProRes in a format ideal for high-dynamic-range. 1 - Using AME: I’ve heard is the worst option. 1MB/sec ProRes 422 = 17. 3 - To help videos in ProRes codec work on Windows PC, Apple has release the Apple ProRes RAW for Windows 10. 537; asked Feb 1, 2017. BluffTitler accepts cube maps in the DDS format. Source: Wikipedia Apple ProRes Profiles in FFmpegįFmpeg contains two ProRes encoders, the prores-aw and prores-ks encoder. Previous message (by thread):. exe -i file_8k. Posted August 12, 2020. already), so it looks more like Apple encode:-metadata:s "encoder=Apple ProRes 422" -c:v prorers_ks -vendor apl0 -bitexact -movflags write_colr. deferred. cousinie (alban. Number of simultaneous 4K streams ProRes RAW also supports accelerated reduced-resolution decodingDNxHR 444, ProRes 4444 and ProRes 4444 QC are the only codecs with embedded alpha channels. Private Options for prores-ks 'profile integer' Select the ProRes profile to encode 'proxy' 'lt' 'standard' 'hq' '4444' '4444xq' 'quant_mat integer' Select quantization matrix. And it's a range because of its variable bit rate, so that's the approximate bit-rate on normal images. • Adobe Premiere Rush. [FFmpeg-user] Private Options for prores-ks Kevin Wells kevwells at hotmail. Introduced by Apple in 2007, ProRes 422 was a new full-raster, 10-bit, 4:2:2 post-production format that produced stunning HD quality at SD file sizes. ProRes RAW has advantages over cDNG in ease of use and file size efficiency as well in some cases. 7. 48 posts • Page 1 of 1. You can edit Apple ProRes files in the Photos app or iMovie on iPhone, iPad, and Mac, Final Cut Pro for iPad and Mac, or in third-party editing apps that support ProRes. co. /chip-chart-yuvconvert\basicnclc. The ffmpeg documentation states the following for the 9. ptx. 13 ProRes Apple ProRes encoder. The. ago. ProRes offers high color fidelity and a low compression ratio. 97 fps" File Size: 9. prores_aw Apple ProRes (codec prores) V. For reasons known only to them, they won't allow Windows Resolve to render ProRes. Know Your Formats. Recording at 1080/25p, 1 minute of media will take 1. Davinci Resolve decode: Native, YUV 10-bit, RGB 16-bit. The other file was created using "ffmpeg -i Reference. Now the GH5 is also capable of shooting All-I h264 10bit 422 at 200Mb in HD, so that may be the better mode to. 2 By. Note: I'm capturing gameplay from a separate machine through a capture card so won't need any resources for gameplay on this machine. You won't want less than ProRes 422 HQ for final results anyway. 7K resolution. If you are using ffmpeg to generate ProRes files, be aware that ffmpeg has a couple different ProRes encoders (prores_aw and prores_ks). I did try using the prores_metadata filter to try adding some additional parameters, but it didnt seem to help. Successfully parsed a group of options. [FFmpeg-cvslog] avcodec/prores_aw : add support for prores 444 with alpha Martin Vignali git at videolan. 264/AVC) developed by Apple to replace M-JPEG. com> wrote: >> Hello >> >> Patch in attach change bitstream version in prores frame header >> (based on RDD36) >> 0 for 422 >> 1 for 444 with ou without alpha >> >> 001 : Fix for prores_aw (update 444 fate test) >> 002 : Fix for prores_ks (no fate update because. 39. 100 DEVIL. 13 stops of dynamic range using ZLog, and 16 stops of dynamic range in WDR mode. ProRes RAW 與 ProRes 4444 / ProRes 4444 XQ 的抉擇. 265 codecs currently used on the iPhone. 97 fps. The formats on display are Blackmagic RAW at 3:1 and 12:1, ProRes Proxy, and ProRes XQ. Impressive indeed. if you shoot ProRes HQ there's plenty of data to push around. 101 > prores_ks instead of Apple Prores 422 HQ. Mov ProRes, but the ProRes AW/KS encoder doesn't have an option for the wrapper so I guess it only converts to AVI ProRes, anyway i always get the error: "AVISource: couldn't locate a decompressor for fourcc", and I. 5 = 4444 XQ. 2 and the quality came out the same good quality as the H. Not bad at all. 0) enables playback of ProRes RAW and ProRes RAW HQ video files on compatible applications on Windows systems. vignali at gmail. raw. Image below is. ffmpeg -i inputVideo. At 25p the target bitrate is 275 Mbps (1920x1080), Voukoder is outputing. With an active resolution of 5720 x 3016, the EVA1 delivers more than 17. Here are the exact steps in order: Extract the file ATOMNJV. The possible video profile values for the ProRes codec prores_ks are: 1. No doubt, this is something to consider before starting to shoot in ProRes. These Apple devices can support ProRes playback and editing: Mac with Mac OS X 10. 使用代理的主要. This means that they can play back and edit with ProRes just fine, but they are unable to export the. com now. The target data rate is approximately 102 Mbps at 1920x1080 and 29. PRORES runs very well on computers (especially on a mac). bmp -c:v prores_ks -profile:v -pix_fmt yuv422p10le ks. It's not a destructive compression, so it won't bother me that much. com> wrote: > Hello > > Patch in attach change bitstream version in prores frame header > (based on RDD36) > 0 for 422 > 1 for 444 with ou without alpha > > 001 : Fix for prores_aw (update 444 fate test) > 002 : Fix for prores_ks (no fate update because 444 is not tested for ks > encoder) > > Pass fate for. pdf. ProRes is a codec technology developed by Apple for high-quality, high-performance editing in Final Cut Pro. ffmpeg. 709 in 709 Matrix. It is the successor of the Apple Intermediate Codec and was introduced in 2007 with Final Cut Studio 2. rate of approximately 500 Mbps for 4:4:4 sources at 1920 x 1080 and 29. This is a licensing decision by Apple. ffmpeg -i <input file> -c:v prores_ks -profile:v 4444 -vendor ap10 -pix_fmt yuv444p10le -acodec pcm_s16le output. Performance may vary based on system configuration, media type, and other factors. 1. For ProRes RAW, You will need to use the Atomos Ninja V or Ninja V+. 7x faster than Canon Cinema RAW. Correct allocation is not implemented. When combined with the Canon EOS R5 full-frame mirrorless camera, the Ninja V+ will record. qtrle. . How do these map to (ProRes 422, ProRes 422 LT, ProRes 422 Proxy, and ProRes 422 HQ)? ProRes. mov. The used encoder can be chosen with the -vcodec option. UPDATE 2: just Encoded the same Clip again using H. In fact, ProRes XQ actually takes up more space than many compressed RAW options, such as RAW 3:1 on. 1. r210. ProRes is a codec technology developed by Apple for high-quality, high-performance editing in Final Cut Pro. To date, I have been using the ProRes HQ format that the device allows - this gives a 10bit 22MB per second video recording (176mbps) - I shot a 10second clip today using the DNxHD codec, and see that it gives a 10bit 23MBper second video recording (184mbps). 264/H. mp4 \ -c:v prores -profile:v 3 \ -c:a pcm_s16le \ output. Apple ProRes is a high quality, "visually lossless" lossy video compression format developed by Apple Inc. If you shoot 4444 there's TONS. Fixes / Changes. Apple ProRes RAW applies ProRes compression technology to RAW image data from the camera sensor. ffmpeg vs. bmp -c:v prores_aw -profile:v -pix_fmt yuv422p10le aw. ffmpeg; encoding; prores; Patrick Kenny. These files will survive being recompressed to ProRes 20+ generations. Apple. Hi :) For testing purposes, I tried to encode a ProRes file using ffmpeg (current git HEAD). bmp -c:v prores_aw -profile:v -pix_fmt yuv422p10le aw. Cineform is an excellent alternative, but a bit slower on Macs. ffmpeg -i frame_%03d. What's the difference and why does it matter to your filmmaking? (Image credit: Apple)* prores-aw * prores-ks It says to use "-vcodec" to choose which one (btw: I also tried "-c:v"): I get: "Unknown encoder" for both. Tue Feb 11, 2020 11:53 pm. prores hq was 1. ⭐️ CRAZY Premiere Pro Templates To Create Great Videos Faster: [email protected]. The following will work well: ffmpeg -i input. But -bsf:v prores_metadata works for encoding too, this is probably a better way to do it. The projected data throughput is roughly 147 Mbps. "Render job batch item 1 has an unsupported codec and format selected. com for USD $99. It doesn't mean it prefers editing mp4s. by zkazzay » Wed Mar 13, 2019 10:28 am. There are a total of six ProRes formats. ProRes_KS Gerron February 12, 2019, 6:54pm 1 Hello I wonder what`s the difference among these 3 kind of ProRes codecs. 7K RAW素材。. I rendered them out at about 1 minute each (UHD 60p H. But. Apple ProRes 422 HQ codec offers the highest quality for 4:2:2 and 4:2:0 sources and has a target data rate of 220 mbps. well, impressive!ProRes. However, whenever I use colormatrix or colorspace filters the output. #1. (Confusing? A bit, but shouldn't be to the user. In that thread, I did some testing of the the two open source programs, ffmpeg and a ffmbc, a fork off of ffmpeg. Some research led me to the "prores_ks" encoder, which is the only one of ffmpeg's prores encoders that supports "4444". Approximately one minute of media will take 1GB of. The available -profile settings are as follows: -profile 0 = Apple ProRes Proxy -profile. 264 Auto, on v3. 8. profile integer. That will speed things up a little. \alpha test. mov" file in VLC media player, I notice that the playback stutters and sometimes stops for seconds at a time. I'm using the prores_ks codec and following the intructions on the man page this is my command, testing on a QTRLE encoded file with 8-bit RGBA: ffmpeg -i '. ProRes protects the image quality of the video while allowing. It's also avoid to loose quality in yuv part when alpha is not uniform. veronica (Veronica) October 2, 2023, 9:14am 1. Samsung Galaxy A54; Apple iPhone 14 Pro Max vs. And does Shotcut offer ProRes variations other than 422? Gerron shotcut February 12, 2019, 8:07pm 2 See See full list on trac. Files: All the tested ProRes outputs are provided as are the Tiff files for 12 bit and 10bit. This is quiet slow (very slow), is it possible to use hardware acceleration to decode/encode the media files into ProRes?Perhaps you aren't aware of why ProRes is generally in wide use far beyond anything Apple. But I try: -codec prores_aw instead of -codec prores_ks – I doubt that it will work, but worth a shot. 1 times bigger than HEVC. 700 is a lot so you’ll have huge files and tons of data to play around with in post. Apple ProRes 422 is a high-resolution compression format from Apple. com> wrote: >>> Hello >>> >>> Patch in attach change bitstream version in prores frame header >>> (based on RDD36) >>> 0 for 422 >>> 1 for 444 with ou without alpha >>> >>> 001 : Fix for. mov. Blackmagic just requires the Pocket 4K and an SSD, coming in under $1500. Ninja owners can now record using the 10-bit H. Sets the processing mode for the video. Set your project settings to the format you want to export. >> >> Even though the name of application is same, QuickTime 7 and. -c:v prores_ks video codec ProRes is set-profile:v profile_number chooses the variant of ProRes output_file path, name and extension of the output file Discussion. ProRes RAW HQ offers data rates between ProRes 422 HQ and ProRes 4444, popular choices for high-end film productions and advanced visual effects work. Update your FFmpeg version to the newest one from Git. The hardware encoder prores_videotoolbox is supported if present. mp4 files to . 2. 使用代理的主要原因是代理可以让我们在电脑. It can be overridden through -profile option. 500GB @ 8K30 ProRes RAW: ~21 minutes. 4 = 4444. Apple ProRes RAW applies ProRes compression technology to RAW image data from the camera sensor. tiff -c:v prores_ks -profile (0-5) output. (if 4:2:0 8bit is sufficient). This might be a poor choice if you need fast random access to non-keyframes, since a lot of the compression advantage of h. 首先来说A、B选项，Apple ProRes 常用的的 低级别编码 有 Apple ProRes 422 Proxy 和 Apple ProRes 422 LT ，它们的 数据传输速率小，视频占地空间很小，相对画面不是特别清楚，主要作用是剪辑师用来做剪辑的代理编码格式。. Input file. 1 beta, a minute of 10-bit HDR ProRes video consumes around 1. 1000 prores_ks" flavors with Trillions of Colors+, and I'm pretty sure they were originally generated/encoded by ffmpeg. ARRIRAW is uncompressed data and ProRes is compressed and this is what they say on their web site: “For the absolute best in image quality, for the greatest flexibility in post, and for safest archiving, the 16-bit (linear) raw data stream from the sensor can be recorded as 12-bit (log) ARRIRAW files. 0. - XAVC-I, ProRes, DNx, etc. It also has a significant speed advantage over the same two formats for a variety of export options: for HEVC, 3. 15. 5W. Apple ProRes 422's target rate is approximately 147 Mbps at 1920 x 1080 and 29. For ProRes you want to add extra bits to ffmpeg command ( I assume you're adding color space, etc. While ProRes is a 10-bit native codec, it can be used with either 8- or 10-bit sources and 8-bit sources (such as DVCProHD) would need to be upsampled to a 10-bit file. This codec is perfect for environments where storage capacity and data rate are most important. It can be overridden through -profile option. Hey! I'd really like to hear the differences about these 3 DSM Versions. DaVinci Resolve is very capable even for free, but you need the right hardware! Studio 18. 4 = 4444. Previous message: [FFmpeg-user] should I be opening a feature request ? Next message: [FFmpeg-user] header Messages sorted by:The written specs for SD are Quicktime DV25/50 and HD Prores 422 1920*1080, square pixel, Upper Field Dominent. It also has a significant speed advantage over the same two formats for a variety of export options: for HEVC, 3. mov ffmpeg -i 1. But forcing the bitrate directly has potential to constrain the codec, meaning it is unable to create the visually lossless transcode that one would expect from the 422 HQ profile. 13. In the ffmpeg documentation, there is: vendor string - Override the 4-byte vendor ID. Is this still a known issue? Here is the ffmpeg command and output that leads to the incorrectly identified file:Issue Burnin script use codec name from source for output but if input was created with prores_ks then codec name is only prores. prores-ks私有选项. The formats on display are Blackmagic RAW at 3:1 and 12:1, ProRes Proxy, and ProRes XQ. I have 2 questions about the FFmpeg docs about ProRes [1]: 1) Docs mention 2 encoder names, but only "prores" works: ===== When I looked at the documentation [1], there are 2 encoders mentioned: * prores-aw * prores-ks It says to use "-vcodec" to choose which. 4:4:4 RGBとYCbCrは可逆圧縮である。To record videos in ProRes on your iPhone, go to Settings > Camera > Formats, then turn on Apple ProRes under Video Capture. By starting at a higher native resolution, the 5. rug: ginuwine.