Questions tagged [streaming]

The act of transmitting media over a network for consumption in real time.

Filter by
Sorted by
Tagged with
0
votes
0answers
6 views

unknown H264 color space error

I have been working on a streaming platform. I am receiving a RTSP stream, converting it to H264 via JCodec in Java Spring and sending the result via Websockets to my React App that uses JMuxer for ...
0
votes
1answer
17 views

A/V Crash Course for Church

With COVID-19 shutting down the whole world, our church is now broadcasting our services on YouTube. Last Sunday we used a WebCam because we only had 48 hours notice, and it just worked. Given that ...
0
votes
0answers
12 views

Convert mp4 for different resolutions for playing using his

How do I transcode my mp4 video to different resolutions and create m3u8 for all for adaptive streaming
0
votes
0answers
11 views

VLC can't play back when I try to connect it to the Ngix / HLS port in Windows 10

I'm trying to do HLS streaming with NGINX + OBS on WIndows 10 following this video tutorial on youtube : I don't know what's wrong with the configuration ,but VLC ...
0
votes
0answers
26 views

RTSP always connects to camera but often cannot get an image

My software needs to connect to each surveillance camera every few hours to get a picture for analysis. I use this command to connect via RTSP ffmpeg -rtsp_transport tcp -t 10 -reorder_queue_size 10M ...
0
votes
1answer
22 views

how to pipe:/// through a .sh or Python script, or use some sort of setting files with FFMPEG

First post, so be kind please :) So a quick bit of history. I am using tvheadend, and the inbuilt transcoder murders my CPU, and provides average quality output (it's powered by ffmpeg), if I pipe ...
0
votes
1answer
52 views

How to set up streaming from two webcams or stereo camera (2x lens) to VR headset with minimal latency?

I have watched Barbie doll illusion on youtube and wanted to set this up myself. I already have tried doing it with 1080GTX + Samsung S8+ + GEAR VR + WebCam + RiftCat + SteamVR + Oculus + OVRdrop ...
1
vote
0answers
37 views

Is there any “concatenable” video format I can use for sequential streaming?

I'm writing a server and I have to play commercials on demand, so I'm trying to avoid re encoding video. I assume that video containers have headers and meta data, so it would not be possible. Is ...
-1
votes
2answers
204 views

How I can play an Amazon Prime Video movie with Dolby Digital Plus audio using Chrome browser in my PC?

Currently my web browser Chrome (last version 80) cannot play Dolby Digital Plus audio. I know this audio is used in other devices like Apple TV, Roku, or Amazon Fire TV for example. According to ...
1
vote
0answers
12 views

How to prevent microphone batteries from going dead by mistake?

I have a home setup for doing video calls where I've got a Panasonic Lumix G7 with a Rode VideoMic Pro attached in its P2 jack. These are then fed into a USB capture card and connected to my computer. ...
0
votes
0answers
22 views

Private embeddable live video streaming server

I'm looking for a third-party live video streaming service that will pull in video streams from various surveillance cameras on demand and broadcast them to multiple users. I'm specifically looking ...
0
votes
0answers
11 views

Streaming from 2 xf100's

I'm a volunteer with a charity film company and we'd like to do a live stream using 2 xf100's and a webcam. Using OBS we can get the webcam and 1 xf100 to feed through but the second one doesn't ...
1
vote
0answers
33 views

Streaming 720p @ 30fps over 5G wifi to multicast with FFMpeg has terribly bad quality

I am trying to stream my Intel RealSense D435 RGB camera input to a multicast address on my network. Please note, video streaming, encoding, is very new to me - I do not understand much, when ...
0
votes
0answers
21 views

How to convert ts to mp4

I have a lot of videos needed to convert from ts to mp4, how can I convert it without losing quality? I mean a lot like 30+ each week. I did a search already but none can do it fast enough, doing it ...
0
votes
0answers
32 views

Real time H.264 streaming - sender to receiver

Trying to get H.264 to stream real time from one point to another point (i.e. single sender and single receiver). Is there an easy proof of concept to do this using ffmpeg. Tried multiple player ...
0
votes
0answers
13 views

HDMI CEC over COAX

I was wondering if the following scenario is possible : Room 1 - android streamer with HDMI CEC. HDMI output is connected to RG59 using a passive converter. Room 2 - from a wall RG59 coax, connected ...
0
votes
0answers
105 views

How can I reduce latency in this webcam stream from OpenCV Python?

'''capture.py''' import cv, sys cap = cv.CaptureFromCAM(0) # 0 is for /dev/video0 while True : if not cv.GrabFrame(cap) : break frame = cv.RetrieveFrame(cap) sys.stdout.write( frame....
0
votes
0answers
11 views

How can I convert Dual-link SDI to RTSP

I'm working on a project to stream my dual-link HD-SDI. I've found the dual link acquisition card, but have no idea how to convert it to RTSP. Does anyone have any idea of how i coukld proceed ? ...
0
votes
0answers
50 views

ffmpeg creates audio track that has negative start time and why?

Problem: I have a source media and used ffprobe to inspect the audio track for pts_time and the start time, and it looks fine as below ffprobe -v 0 -show_packets -select_streams audio [source_media]....
2
votes
0answers
833 views

How to convert encrypted mpeg dash created with Bento4 mp4-dash.py to MP4

I have MPEG dash video files created with Bento4 mp4-dash.py. The files have encription, but I have the MPD and the audio and video segments. I am trying to get my original MP4 file back from those ...
0
votes
1answer
12 views

Software to host multiple camera images at once

We are looking to set-up a page of multiple camera outputs on the same website and make it available to multiple people via the web. Kind of like a security or traffic camera screen with multiple ...
0
votes
0answers
64 views

Constructing playable mp4 video file from MPEG-Dash segments

I am having an unencrypted MPEG-Dash manifest file and I am trying to re-construct from the downloaded segments a playable video file. I have so far tried to concatenate the initialization file to ...
0
votes
0answers
13 views

A simplistic video streaming container format

I am currently working on a screen-sharing solution for an embedded system. Basically, I need to be able to see on my PC screen what happens on the device's display. I already have a solution that ...
0
votes
0answers
19 views

FFMPEG garbled video download

I've downloaded a video using FFMPEG. The logs are here. Here's the first 10 minutes of the video that FFMPEG downloaded. As one can see, video is all garbled up. And there seems to be no audio. ...
0
votes
1answer
38 views

Video Quality Measurement test tool

I need to measure streaming video from various different codecs and be able to tell which one is better. What will be the best metrics to look for? Is there a free tool that can help with this.
0
votes
0answers
22 views

HTML5 player Video fast forward and backward GOP iFrame

I am looking for solution where I can do video fast forward and backward using GOP I-Frame based in HTML5 Javascript instead of seeking time based. Requirement is video should fast forward GOP i-Frame ...
0
votes
1answer
71 views

Good codec for embedded system video decoding

I need to get streaming video working where a source streams video to an embedded platform. This embedded system has an ARM-Cortex-A9 without a GPU or a hardware video decoder. Unfortunately I don't ...
1
vote
1answer
100 views

How do I prevent Wirecast from crashing?

I'm attempt to livestream from a 2016 MacBook Pro, but for some reason Wirecast (12.2.1) crashes. It doesn't matter what I'm doing, it only stays open for a couple of minutes, then it just completely ...
0
votes
1answer
155 views

ffmpeg: keyframe extraction with pts

I have an ffmpeg newbie question, I am extracting keyframes from streams using this command: ffmpeg -skip_frame nokey -i {0} -vsync 0 -r 30 -f image2 keyframe-%09d.jpeg However, instead of an auto-...
1
vote
1answer
164 views

Resize video while live streaming with ffmpeg

My server uses this command to stream a video (1280x544): ffmpeg -re -i c:\ffmpeg\This.mp4 -vcodec copy -acodec copy -movflags faststart -f mpegts tcp://192.168.1.82:1234?listen Now, I would like to ...
1
vote
0answers
67 views

Trying to sync multiple ip cameras in ffmpeg, having trouble finding the timestamps of each frames being sent

I am quite new to ffmpeg. I am wondering if it is possible to get the timestamps of a live video stream from ffmpeg. I read that as the first packet in RTP protocol is sent, it contains the NTP ...
0
votes
0answers
13 views

How to set up Red5 server for streaming iOS app to other mobile phones and web browsers?

I would like to set up a Red5 server to broadcast from an iOS app to other mobile phones and web browser. I am new to streaming. What do I need in addition to the basic Red5 release I downloaded from ...
0
votes
1answer
66 views

FFmpeg run multiple filters in parallel from C API

I successfully applied a FFmpeg filter from C API (my previous question here). I see the filters are running sequentially. Now the question is, how can I run multiple filters in parallel? If run ...
0
votes
1answer
18 views

Streaming Compression Math

Using 4:2:2, the data rate and compression are: 4k -- 11.88 Gb/s -- 339.4x HD -- 2.38 Gb/s -- 237.6x Assuming 4:2:0 for both, Netflix and Stadia use the same compression for HD. To use the same ...
0
votes
0answers
104 views

FFMPEG: Publishing a Directory of video files (already encoded no transcoding needed) to RTMP & dealing with disconnects

I am currently using the below bash script to publish my directory of .mp4 video files (via concatenated list) to a RTMP server. My primary struggle is when FFMPEG loses connection to the server. The ...
0
votes
0answers
10 views

GoPro live video

Is there a safe way to use a GoPro live video stream while in the water diving / surfing? I saw a lot of guides that have you connecting capture cards but I don't trust that when I'm in the water.
1
vote
1answer
33 views

Identify H.265 from the OSX Command Line?

Can anyone suggest a way to tell the difference, from the OSX command line, between .mkv files encoded with H.265 from those encoded with H.264? Plex H.265 streams viewed from some devices (e.g. LG ...
0
votes
0answers
36 views

Receiving libx264 feed and viewing it through guvcview using v4l2

I am attempting to set up a low-cost home security system. At one end of my house I have a Raspberry Pi connected to a Logitech C920 webcam running the following command: ffmpeg -re -i /dev/video0 -...
0
votes
0answers
14 views

Live Stream + Still Photography - Minimal Wireless Setup

We need to stream crowded outdoor events live. The camera will be still and shooting. We cannot use computer of any kind and no wires except a plug for a 4G Wifi Router if needed. We don't need more ...
0
votes
0answers
10 views

Terminology for 'stingers' composed of 2 different scenes?

If I have a full RGB Scene A, a full RGB Scene B, and a video file that provides a 'stinger' transition called Breaking News that wipes across the screen. How can I live composite (or implement live ...
1
vote
1answer
9k views

RTMP server using ffmpeg

I'd like to use a Teradek Cube connected to a broadcast camera to push to a server running ffmpeg with an open RTMP port, and have ffmpeg re-stream that feed to a decoder using RTMP or RTSP. ...
1
vote
1answer
197 views

How to convert .scc closed caption subtitles into human readable text

I'm trying to find a tool or library (possibly an open-source tool) to parse or convert .scc closed caption subtitle files to a human readable text, say .srt or xml or any text formats. Is there a ...
0
votes
1answer
16 views

looking for some advise on setting up a sports event livestream with local playback

I have recently been tasked with setting up a live stream for a Karate Tournament. Never did anything like it before but I'm the organization's technical wiz so its landed on my lap. I'm looking for ...
1
vote
1answer
13 views

Stream from several android phones to pc

I'd like to know if there is a way to record from several android phones at the same time (at least 2) and send the data in real-time to a computer. I don't need to watch the recording in real-time, ...
0
votes
0answers
902 views

FFmpeg with input SRT stream very low bitrate

I am trying to record an input SRT stream with ffmpeg 4.0 and even though it is recognized as a valid stream and the input stream is around 2.5Mbps, the recording is with only 80-120Kbps. I understand ...
2
votes
0answers
221 views

Best way to handle stream with ffmpeg and GPU

So in my project, I need to capture a video stream, decode the video, run the individual frames through an object detection algorithm and then play the output as a video. This whole operation is ...
1
vote
1answer
71 views

Make Youtube live streaming available to another country after end streaming

I have an youtube channel that makes a lot of live streams. But i have different countries watching at the same hour in its own time zone. I have a live streaming on Brazil starting 6PM and finishing ...
1
vote
1answer
95 views

Use Streaming Online Video/Live As Source In OBS Studio

Is this possible? Use others or your own Facebook or YouTube live stream as source in obs or any broadcast software and then broadcast it on another page or channel.
0
votes
1answer
47 views

Retrieve and decode V-Chip data from an aired digital TV stream

I'm trying to retrieve and decode V-chip data from my TV streams (NTSC/ATSC digital streams). Apparently these data are embedded somewhere in the stream itself, but I have no clue how they are ...
0
votes
1answer
271 views

MPEGTS & HLS: Only second segment onwards is valid

When i use hexadecagonal audio channel layout in an mpegts container, I can receive and play back the stream fine only if I configure the hls server to allow serving the very first segment, and then ...

1
2 3 4 5