Gstreamer h264 to mp4.
The last step is to convert the recovered video from .
Gstreamer h264 to mp4 Jetson Nano. 104. 1 port=5010. How to get h264 frames via gstreamer. 3: GStreamer Pipeline Samples. I did it using the ffmpeg utility (install it first): $ ffmpeg -i "recovered-out-video. GStreamer Extended Family, Consider me a beginner in GStreamer. 0 -mpeg4 -hint -noprog -add test. h264 test. vtenc_h264 ! 特定のエンコード。 qtmux ! コンテナ化。※ 今回はquick time形式でコンテナ化。 filesink location=file-test1. Unfortunately, I am unable to successfully perform this Hi guys. Programming an application with GStreamer C/C++ API. Package – GStreamer Good Plug-ins This element encodes raw video into H264 compressed data. Related. h264" -i "recovered-out-audio. How to use MediaStreamSource to play h264 frames coming from a matroska file? 1. GStreamer appears currently broken with the No PTS failure mode when using Mp4Mux element. 4. Btw. Jetson & Note: I can "fix" the resulting file by using GStreamer with qtdemux to split it into two raw H. Robotics & Edge Computing. tv Gstreamer x-raw to h264 mp4. What I’m trying to do is pull from an RTSP video stream (from a remote IP camera), h264 encoded, and write to MP4 without decoding / re Hi I tried to create pipeline in which I get rtsp stream ,encode it to x264 and save it to mp4 file format but it doesn't seem to work . 0 filesrc location=x. The working RTP / H. 264 QuickTime file, and I stream it over the network through gst-launch. 0 I decided to use 0. It GStreamer Recording and Viewing Stream Simultaneously read mp4 and demux to audio and # send video gst-launch-1. 0 -v filesrc location=test. mp4 location. Probably we don’t have enough experience on this use-case. 0 -e qtmux nam Authors: – Thiago Sousa Santos Classification: – Codec/Muxer Rank – primary. mp4. I run it with a command similar to this one: gst-launch-1. In case of The input accepts the mp4 file, which goes through the mp4 demuxer — qtdemux, then through the h264 parser, then through the decoder, the converter, and finally, the output. Using gstreamer 1. Try autovideoconvert ! autovideosink. I have been trying to use the gstreamer to transcode existing H264 mp4 files to H265 mp4 files with reference from the development guide posted by Nvidia. Then, I began converting these buffers to an mp4 file using appsrc elements. And still get error: ERROR: v4l2 Hi all, I have been experimenting with Jetson Nano’s hardware decode/ encode engine with H265 codec. The pass property controls the type of encoding. Will avdec_h264 word with x264enc block or do I have to use the matching avdec_h264 encoding block? EDIT: this is what I get when I do inspect: x264: x264enc: x264enc rtp: rtph264depay: RTP H264 depayloader rtp: rtph264pay: RTP H264 payloader So try mpegaudioparse ! mad and h264parse ! avdec_h264. Playing an incoming RTP stream with GStreamer. Here is my problem: I need to stream on demand mp4 (H264) through the network. 10 and try to stream a mp4 file. 264 相关问题 如何使用gstreamer从mp4 / mkv中提取h264和aac基本流 用gstreamer将h264流包装到mp4中 在MP4中使用gstreamer h264 + aac录制只能产生部分可播放的文件 Gstreamer：将YUV（4：2：2）原始视频转换为mp4（带有h264编码） 使用gstreamer将h264视频转换为非分段mp4时，时序丢失 I assume the video for instance is H264, so just remux that. Play mp4 video with python and gstreamer. So these files have fragments in them themselves. Plugin – isomp4. omxh264enc/omxh264dec) which I will need later. You can replace autovideosink with filesink with a file parameter and output the decoded stream directly to the file. mp4 into an avi file based on video/x-raw-rgb. mp4 Then you can add in your audio. 0 -v autovideosrc Saved searches Use saved searches to filter your results more quickly I'm new to gstreamer and am stuck trying to form a gstreamer pipeline to encode mp4 video from tiff files on nvidia Jetson platform. /test. h264 to . 264 backlog recording example ($1760) · Snippets · freedesktop. 0 rtspsrc location=rtsp://ip/url ! videoconvert ! queue ! x264enc ! mp4mux ! filesink location=test. jefersonbentes January 28, 2025, 5:54pm 1. For h264, you can also use quicktime container with qtmux. 0 播放 This would need native gstreamer plugins. But the mfw_vpuencoder has a bug in the function, which creates the "codec_data" fr Hej all, hej Carlos, I was pointed here from the NXP forum. However, I am unable to do complete pipeline. mp4 ! qtdemux ! queue ! h264parse ! video/x-h264,mapping=/stream ! udpsink rts Skip to main content. 0 filesrc location=filename. mp4> -e Peak The last step is to convert the recovered video from . Then run the This element encodes raw video into H264 compressed data, also otherwise known as MPEG-4 AVC (Advanced Video Codec). GStreamer Pipeline Samples #GStreamer. 264 files and a WAV file, and then use ffmpeg to re-encode it into MP4 with an MP3 audio track. General Purpose MicrocontrollersGeneral Purpose Microcontrollers. I am trying to stream a recorded H264 file using gst-rtsp-server. 264流包装到mp4中，以便在视频中查找特定位置？使用Gstreamer是因为它的许可证要求，所以请不要提供ffmpeg！ How do I stream H264 via multicast with gstreamer? udp; gstreamer; multicast; Share. Now, I'd like to convert result. h264 Trying to encapsulate a raw h264 stream captured from remote DVR into a . m4s), however the jetson gstreamer does not have fmp4, but only . The end goal is to be able to play the stream natively in an html <video> tag. I am new to the Jetson Nano and would like to seek kind advice from members. Client code: Record with gstreamer h264 + aac in mp4 produces only partially playable file. 5. Follow edited Aug 24, 2018 at 7:34. The following examples show how you can perform video decode using the gst-v4l2 plugin on GStreamer-1. Gstreamer multifilesrc PNG to MP4 with imxvpuenc_h264 error My source to make a test is an MP4 H. Modified 9 years, 9 months ago. 264 / AVC / MPEG-4 AVC / MPEG-4 part 10 decoder libav: avmux_ipod: libav iPod H. I'm new with gstreamer and after lot of tries with versions > 1. Has anyone experienced Dear Team, I have encountered an issue while attempting to convert an H264 encoded buffer to an MP4 file using the appsrc element. I tried using gst-rtsp-server's test-mp4 example to stream video. 0 filesrc location=264. H. I’m new to Gstreamer and I’m trying to use it to “build” an mp4 file from a raw h264 file. YouTube accepts live RTMP streams. Stack Overflow. export GST_DEBUG_DUMP_DOT_DIR=/tmp/pipeline. But I'd rather have a workable MP4 file right away. Initially, I aimed to skip the first 20 seconds of buffers and store the ones from 21 seconds to 2 minutes. 0 Hi Team, I encountered an issue while converting H264 encoded buffers to an mp4 file. com on desktop, and selecting 'Create' from the top-right. 0 -v I also try with by adding videoconvert and change 'video/x-h264' to 'video/x-raw' gst-launch-1. Add a comment | video codec: MPEG-4 video. 264. Encoding 1920x1080@30 and saving to file. Gstreamer stream h264 File. 7. mp4 -e. Table 1 shows the performance information for this pipeline. 264 parser omx: omxh264dec: Hi all, I’m fairly new to Gstreamer so interested in solving my problem and any suggested debugging approaches. mp4 ! qtdemux ! ffdec_h264 ! video/x-raw-yuv ! avi But i am new to gstreamer so i had errors when running some gstreamer command. 10 because seems to be most promising so far. This will output a test video AFAIK, you can only use matroska or mp2ts as container for h265 from gstreamer. 0 Gstreamer Android HW accelerated H. wrapping h264 stream into mp4 with gstreamer. YouTube will provide a 'Stream URL' and a 'Stream key'. My goal is to broadcast my ip cameras (h264 streams) as h265 stream on vaughnlive. Timing is lost when converting h264 video to non segmented mp4 using gstreamer. mp3 test. 一般来说，你需要指定你感兴趣的pad。否则你无法区分音频ES和视频ES。 它从 mp4 视频文件创建 h. The first mux, called mp4mux, is a . During playback, the video starts from the 21 Now I am confused as to which format is best for compressing to H264. 264 MP4 (MPEG-4 Part 14) muxer videoparsersbad: h264parse: H. dot file reveals a framerate of 10000/1 coming out of Which branch of gstreamer I need to use to build x265enc? I want to build whole gsteamer source code which will be compatible with x265enc plugin. The gstreamer Convert video frames between a great variety of video formats. Hi guys, I’m trying to create a pipeline to concatenate mp4 files with H264 codecs and AAC audio, however with this pipeline only the audio is concatenated, the output file has no video. Inspecting the generated . That is different from H. mp4 file with gstreamer with the following command line: gst-launch -v filesrc location=Tears. From a frameworks perspective, there are parser objects as in MediaExtractor and codec objects like MediaCodec, but not writer abstractions (yet). I'm trying to understand the effect of the few properties available on the i. Should I keep it as BGRA, or should I convert the BGRA to a different format such as I420 (using gstreamer video convert) and then compressing to h264 that way. I am able to do this with ffmpeg on the Pi however would like to use gstreamer since Graphviz needs to be installed to convert those GStreamer generated . 在GStreamer中显示视频通常涉及创建一个包含源（source）、解码器（decoder）、视频转换（video conversion，如果需要的话）和视频汇（video sink）的管道（pipeline）。在大多数Linux发行版中，GStreamer的编解码器插件是分开的包，因为它们可能受到专利和版权法律的限制 It is true that MediaRecorder doesn't have any support for handling direct streaming content. Using ffserver to do UDP multicast streaming. Thanks in advance. Forums 5. 0 -v v4l2src device=/dev/video1 ! omxh264enc ! qtmux ! filesink location=test. "stream ready at rtsp://127. How to extract h264 and aac elementary stream from an mp4 / mkv using gstreamer. 一般MP4文件和MKV文件都是我么从网络上比较容易获取的，但是我们用来做目标识别和检测的视频输入需要单纯的视频文件，下载到的文件都是和音频混流后的文件，所以我们解复用后，保存为单纯的byte-stream使用，下面是我自己使用和测试了解复用h264文件的技巧 Hi. The pipeline below can be used to capture, encode using the h. Gstreamer Extract frame from stream. Adrian W. mp4 file (encode h264) without audio? Thanks CX Gstreamer convert . mp4 omxh264enc ! ‘video/x-h264, stream-format=(string)byte-stream’ ! h264parse ! qtmux ! filesink location=filename. The plugin mp4mux needs the "codec_data" from the encoder plugin to create the avcC Box in the mp4 file. mp4 container. We have tried some pipelines and it looks like only ts works. Als video/x-h264,stream-format=byte-stream caps forcing should not be required. You most likely need a video converter between the decoder and the videosink. Community Bot. 0-v v4l2src device = /dev/video1! decodebin \! videoconvert! omxh264enc! video/x-h264,stream-format = byte-stream \! rtph264pay! udpsink host = 192. 264; yuv; Share. mp4 ! qtdemux ! h264parse ! avdec_h264 ! videoconvert ! autovideosink). Newcomers. Either way you will need to use mp4mux instead of matroskamux. Below is an example pipeline for gst-launch for remuxing a file with h264 and mp3. asked Aug 23, 2018 at 18:27. I will look into that. I cannot use nvidias hardware encoders since theyre not supported. The video is encoded in H. 0. mp4 Summary. h264 -vcodec copy video. MP4 file container where we store the video and the audio being collected from the webcam. Need to convert h264 stream from annex-b format to AVCC format. asked Sep 16, 2016 at 19:16. What are the system requirement for x265enc and how to build it ? Any wiki/basic instructions will be very helpful. Setting pipeline to I have a gstreamer pipeline that streams using : v4l2src ! x264enc ! rtph264pay pt=96 ! udpsink host=ip port=8554 And this pipeline that receives this stream : / queue ! avdec_h264 ! appsink udpsrc ! capsfilter ! rtpjitterbuffer ! rtph264depay ! tee ! \ queue ! h264parse ! mp4mux ! filesink Simplified receiver pipeline without the tee is : I have generated successfully an . It creates h. Example pipelines gst-launch-1. GStreamer general h264 encoding and piplines are awesome, and working. Viewed 4k times 2 . 0 filesrc Most grateful for the avdec_h264 and gst-libav package information. mov ! x264enc ! rtph264pay ! udpsink host=127. 0 -v videotestsrc ! video/x-raw,format=YUY2 ! videoconvert ! autovideosink. /ffmpeg -i video. 264 mkv. 2: 2227: October 27, 2022 Using GStreamer to transcode Video files with Hardware Accel. Annon Annon. 264 SPS codec setup data, specifically the frame reordering information written in the SPS indicating the maximum number of B-frames allowed. h264timestamper updates the DTS (Decoding Time Stamp) of each frame based on H. Hello, in the last few days, I’ve been trying to find a way to decode h264 from appsrc, that uses frames which will be passed from the media of the webrtc crate. I have encountered an issue while attempting to convert an H264 encoded buffer to an MP4 file using the appsrc element. mp4 ! qtdemux ! h264parse ! avdec_h264 ! x264enc ! h264parse ! rtph264pay ! udpsink port=50000 host=127. Follow edited May 23, 2017 at 12:17. MX8MMini's vpuenc_h264 (quant, bitrate and gop-size) by recording video captured from the Trying to encapsulate a raw h264 stream captured from remote DVR into a . mp4" A recovered-video. The test-mp4 console output only shows single message i. Your video codec in the source file is MPEG-4 Video. Unfortunately, I am unable to successfully perform this conversion, and I have I'm trying to understand the effect of the few properties available on the i. 264, the audio is encoded as AAC. It works, but not in a way that’s good for our h264timestamper. I tried to test decoding raw h264 file was generated using ffmpeg with the following command: ffmpeg -i video. Product Forums 24. ) - DamZiobro/gstreamerCheatsheet Instead of encoding the raw output from my PI camera, my idea is to leverage the existing the h264 output of raspivid, mux it into an appropriate container and send it over TCP or UDP. How do you manually extract (decapsulate) an The input accepts the mp4 file, which goes through the mp4 demuxer — qtdemux, then through the h264 parser, then through the decoder, the converter, and finally, the output. 0 multifilesrc location=%03d. Can you guys please tell me what might be possible wrong here. tiff index=0 start-index=0 stop-index=899 blocksize=720000 num-buffers=900 do-timestamp=true typefind=true ! 'video/x-raw,format GStreamer pipelines and CLI commands for different GStreamer based features (process MPEG2-TS files, get video from DVB, deinterlace video, capture RTSP stream etc. For software functions, we rely on native gstreamer plugins for feeding h264 stream to decoder, or YUV data to encoder. It cant be all:) VLC is quite verbose if you tell it to be. 0 -v videotestsrc ! mfh264enc ! h264parse ! qtmux ! filesink location=videotestsrc. 0 the server side can share h264 streams with: I also can replay the non segmented . So, can any one tell me how to do that and give me proper command for gstreamer using h264 acceleration encoding. 264 or H. mp4 This example pipeline will encode a test video source to H264 using Media Foundation encoder, and muxes it in a mp4 container. Mux the recording with mp4mux to make the output an mp4 file. What are the upsides/downsides of each of these raw video formats, will converting make the h264 worse I try to save RTSP h. video_0) and a place where the audio I have to use gstreamer 0. I am able to do this with ffmpeg on the Pi however would like to use gstreamer since it comes pre-installed on raspbian and has native GPU hardware support for h264 encoding(ie. mp4 h264parse可以将h264数据转换为不同的与H264相关的GStreamer元素所需的格式。 avdec_h264是一个解码器元素。您不想对数据进行解码，因为您显然没有显示它。您正在将编码的h264数据从RTSP流放入mp4容器文件。 caps="application/x-rtp, media=video, clock-rate=90000, encoding-name=H264, payload=96, ssrc=3394826012, timestamp-offset=2215812541, seqnum-offset=46353" Streaming audio and video in sync for mp4 container using Gstreamer framework. mp4, and to include the audio in it. mkv (encode H264) file into . Set up a stream by visiting YouTube. 264 stream to HLS mp4 files: I don't know if GStreamer supports the MP4 feature of the latest HLS spec by Apple. 264; rtp; Share. Hello, I’m trying to save the camera output I get from my device to a mp4 file. Not further sudo apt-get install gpac MP4Box -isma -inter 250 -fps 30. I am using these two pipelines: Sender: gst-launch-1. 0-v udpsrc port = 5000 I am newbie with gstreamer and I am trying to be used with it. e. GitHub Gist: instantly share code, notes, and snippets. The pipelines in this section used the IMX477 camera. Improve this question. Package – GStreamer Bad Plug-ins. . 168. Try with gst-launch-1. how to play two mp4 videos through gstreamer pipeline? 0. GStreamer Discourse Weird Color & video when converting from NV12 to mp4 using x264enc. MP4Box -add audio. Yulian Fedirko Yulian Fedirko. 264 encoded using the x264enc element. But with GUI be sure to open the Tools->Messages window before you open the stream and set the verbosity to 2 (debug) in the combo box at the bottom. 264のハードウェアエンコードを試す どうもjpegparseを使用すると^Cによるシグナルをうまくハンドリングできないようで、mp4のファイルの後処理がうまくできませんでした。 I have tried with GStreamer pipeline to convert mp4 video to avi video but it is convert without sound gst-launch -t -v filesrc location=source. However, I faced a problem with the resulting video file. 236 port = 5000 # receive video gst-launch-1. I dont know if you are running vlc from command line or with GUI. mp4 ! qtdemux ! h264parse ! video/x-h264,stream-format=byte-stream ! filesink location=file. ts segment for . h264 but the VLC player times out the connection. I'm trying to launch the following gstreamer pipeline on an IMX6 board to convert four png images to an mp4 movie using hardware accelerated encoding: GST_DEBUG="*:2" gst-launch Hi, I’m developing h265(using hw encoder) live streaming using hls. How to save a RTSP video stream to MP4 file via gstreamer? 1. 264 encoding. server code: gst-launch-1. 264 video, saves it to a file AND displays it on the screen as follows: gst-launch-1. 1 And the playback of the stream could be started using the following command on the same machine: gstreamer mp4 h. Application Development. mp4 ! qtdemux ! h264parse ! avdec_h264 ! queue ! videoconvert ! xvimagesink, once working look at caps between libav: avdec_h264: libav H. I'm trying to building streaming application in gstreamer which a) capture audio and video from live source's b) encode it in h264 and aac and c) save it in file. About; Products OverflowAI; You may try this, gst-launch-1. 2 回答 This answer is useful. If you only need to mux h264 stream into mp4 without re-encoding, it is better to run ffmpeg command like: $ . Then again - I think this spec uses fragmented MP4 files. 264 byte stream file from mp4 video file. I am working on gstreamer for first time and trying to Stream an MP4 Video file from a server to client using Gstreamer (RTP and UDP) . MX8MMini's vpuenc_h264 (quant, bitrate and gop-size) by recording video captured from the OV5640 camera to MP4 using GStreamer. For that I tried gst-launch-0. The parser and muxer should agree on caps by themselves. Here is the pipeline I've come up with : gst-launch-1. mp4 There is no audio. The objective is to benchmark and see whether H. In order to determine the DTS of each frame, this element may need to hold back a few frames in case the codec data indicates that I have a Linux board with a camera connected to it that is recording whatever goes on to a mp4 file(s) on the SD card of the board. exe -v filesrc location=sample_mp4. 2. They must have both audio and video. MCX Microcontrollers Knowledge Base; K32 L Series Microcontrollers Knowledge Base; Kinetis Microcontrollers Knowledge Base; Kinetis Motor Suite Knowledge Base I have a gstreamer pipeline which works perfectly and takes a camera stream, encodes it as H. We develop plugins for hardware encoding and decoding. My first target is to create a simple rtp stream of h264 video between two devices. Pad Hi how can I using gstreamer hardware encode / decode function to convert a . H264 Encoding MIPI CSI-2 Camera. 264 output pipeline is the following shell command: gst-launch-1. 264 hardware codec, and store the video to file as an mp4 in the /tmp/filename. 264 字节流文件。新创建的文件也使用 ffplay 或 gst-play-1. gst-launch-1. 1 . I can generate a valid h264 stream but not the MP4 file. 10 filesrc location=. We implemented this mechanism. starwinguav July 31, 2024, Can I using gstreamer or something else tool convert it to correct h. I believe I need to put the encoded h264 stream in 文章浏览阅读1. Let's Hello Experts, I would like to simply save the incoming RTSP streaming videos and saved as the MP4/MKV file. Share. 15. Recording is H. Is it possible to stream 0 背景 gstreamer 是一个流媒体处理框架，可以使用插件的方法创建 pipeline，快速验证某些功能。NVIDIA 推出的 deepstream便是基于 gstreamer 开发的 sdk，也推出了自己的插件，如硬件编解码模块 NVCODEC。在开发过程中，我们习惯用 gst-launch-1. avi ! decodebin2 ! ffmpegcolorspace! x264enc ! qtmux ! filesink location=result. As part of the implementation, an Yes, you can do something like this (rather minimal) code example here: H. for filesrc, etc and maybe set caps for linking some elements. mp4 working video file will be created in the folder. I'm using gstreamer which connects to the /dev/video1 source and uses H264 encoding. mp4 名前を指定してファイルを保存。 以上で終わりです。 パイプライン作成にあたり、利用できるオプションはたくさんあります。 GStreamer Discourse Concat MP4 files with H264 and AAC Audio. 8k次。一般MP4文件和MKV文件都是我么从网络上比较容易获取的，但是我们用来做目标识别和检测的视频输入需要单纯的视频文件，下载到的文件都是和音频混流后的文件，所以我们解复用后，保存为单纯 gstreamer; mp4; h. I’ve managed the low-level part of the project, now I’m stuck on what was supposed to be the easy part - taking the raw h264 file and creating a valid mp4 I am using gstreamer to leverage hardware encoding on my app. mp4 with gstreamer (using gst-launch-1. gstreamer. mp4 -an -c:v libx264 -bsf:v h264_mp4toannexb -b:v 2M -max_delay 0 -bf 0 output. 1 1 1 silver badge. 265 is better in the current setup. How to stream H264 with gstreamer? 5. The Command Line which I am trying to use : On Server Side: gst-launch-1. Command Used: gst-launch-1. 1. NVIDIA Developer Forums Transcoding mov to mp4 Gstreamer. Long story short, I’m working on a bare metal video recorder using an NXP microcontroller and an UVC webcam. Ask Question Asked 9 years, 11 months ago. I was able to successfully capture the h264 output from raspivid into an mp4 file (with correct fps and length information) using this pipeline: Solved: Hej, I'm trying to launch the following gstreamer pipeline on an IMX6 board to convert four png images to an mp4 movie using hardware. 5,036 11 11 gold badges 40 40 silver badges 53 53 bronze badges. 264 Decode (NVIDIA Accelerated Decode): ' ! nvv4l2h264enc \ bitrate=6000000 peak-bitrate=6500000 ! h264parse ! qtmux ! \ filesink location=<filename_h264. I'm using the following launch cmd, w I am trying to build a Gstreamer pipeline for MP4 file applications. Newly created file also played using ffplay or gst-play-1. 264 format? gstreamer; h. Load 7 more related questions Show fewer related questions Sorted by: Reset to default Know someone who can answer? Share a link to this ラズパイ4の64bitOSのgstreamerでH. In AOSP, recordVideo is a command line utility aimed for a simple file based recording. This can be achieved by setting "h264-byte-stream" to "0". 0 v4l2src device=/dev/video1 num-buffers=300 ! 'video/x-raw,format=(string)UYVY,width=1280,height=720,framerate=(fraction)15/1' ! videoconvert ! vpuenc_h264 ! mp4mux ! filesink location=output. Hot Network Questions Hi, we had the same problems on an IMX53 device. 0 工具来搭建 pipeline，因此本文整理一下常见的 pipeline 方法，并不断 Hi Team, I encountered an issue while converting H264 encoded buffers to an mp4 file. To play the h265 result on the web, it need fragmented mp4 segments (. dot files into PDF and image file. I have some approaches that seem to work but I’m not really sure they are right, so looking for some advice . 如何使用Gstreamer将纯h. Save rtsp stream into avi file with gstreamer. 1 port=5000 A collection of GStreamer command lines and C snippets to help you get started - crearo/gstreamer-cookbook. Follow asked May 29, 2020 at 17:01. mp4 ! h264parse ! video/x-h264 ! rtph264pay ! udpsink host=127. Try mpegvideoparse instead of h264parse. 0 -v filesrc location=c:\\tmp\\sample_h264. 0. Particularly, I use the following pipeline to transcode H264 mp4 files to H265 mp4 files. Streaming MP4 Video File on Gstreamer. 23 1 1 silver badge 6 6 bronze badges. org / Snippets · GitLab which shows both recording start/stop on demand (simulated with a timer), and how to keep a certain backlog around. Then, I began converting 本文讲述了作者在使用Gstreamer将USB摄像头数据转换为MP4时遇到的PTS缺失问题，通过研究发现需要手动添加时间戳，并利用`end-of-stream`信号控制录像的结束。 了，但是发现保存下来的文件播放器打不开，用工具检测发现没有PTS也就是时间戳，想起来h264是没有 I am new to gstreamer and trying to play a mp4 file using gstreamer tools on VLC media player. I'm not yet familiar with gstreamer. raw" -c:v copy -c:a copy -f mp4 "recovered-video. I’m using a Jetson Orin Nano device with a Rpi HQ camera. The mp4mux has a place to store video (mp4mux. hynuwwzcowewcbpyvrgudixzobdxzjbbhrgyljnyltmvgwvnakiazpsetvvofwhrbmuvtun