video-streaming

H.264 codec explained [closed]

断了今生、忘了曾经 提交于 2019-12-02 21:04:12
Closed. This question is off-topic. It is not currently accepting answers. Learn more . Want to improve this question? Update the question so it's on-topic for Stack Overflow. I am making a app which supports video calls and I am looking for a tutorial/doc explaining the structure of the h.264 codec. I want to be able to package the stream, wrap it in datagrams, send and unpack on the receiving side. Any suggestions/reading materials? What do you mean by structure? If you are talking about the bitstream syntax, you can download the H.264 standard for free. There are also many books/papers

How can I export an Adobe Connect recording as a video?

旧巷老猫 提交于 2019-12-02 20:53:47
I have links to recorded conferences, how can I export video from them? Log into your Adobe Connect account Click on Meetings > My Meetings Click on the link for the recording Click the “ Recordings ” link (right-side of screen) Click the link in the “ Name ” column Copy the “ URL for Viewing ” – Example, http://mycompany.adobeconnect.com/p12345678/ Paste it into a new browser tab then add the following to the end of the URL: output/filename.zip?download=zip Your URL should look similar to this example, http://mycompany.adobeconnect.com/p12345678/output/filename.zip?download=zip I wrote this

Android video calls using android's sip

[亡魂溺海] 提交于 2019-12-02 20:52:19
I want to develop a program for a video calls in android. I thought of using the built in sip that introduced in android 2.3.3. But how can I initiate the video calls? I see that it is not supported. TryTryAgain I believe the generic Android SIP stack supports video. Taken from: https://developer.android.com/reference/android/net/sip/package-summary.html If you want to create generic SIP connections (such as for video calls or other), you can create a SIP connection from the SipManager , using open() . If you only want to create audio SIP calls, though, you should use the SipAudioCall class,

Live video streaming with HTML 5?

狂风中的少年 提交于 2019-12-02 20:33:58
I want to make live video streaming . For example there is discussion. And somebody is recording it. I want the video record to appear on my web page. I want to do this with HTML 5 . I don't know if it's possible, but has anyone tried ? Thank you in advance! To generate a state of the art live stream with good quality of experience, I recommend to make use of adaptive streaming technologies like MPEG-DASH or HLS. Utilizing Youtube's live streaming feature is definitely one (good) option. If you prefer a more controllable solution, you can use live streaming services, like Wowza or Bitmovin ,

python script to record online live streaming videos

一曲冷凌霜 提交于 2019-12-02 19:47:11
i am developing a script to download online live streaming videos. My Script: print "Recording video..." response = urllib2.urlopen("streaming online video url") filename = time.strftime("%Y%m%d%H%M%S",time.localtime())+".avi" f = open(filename, 'wb') video_file_size_start = 0 video_file_size_end = 1048576 * 7 # end in 7 mb block_size = 1024 while True: try: buffer = response.read(block_size) if not buffer: break video_file_size_start += len(buffer) if video_file_size_start > video_file_size_end: break f.write(buffer) except Exception, e: logger.exception(e) f.close() above script is working

Android - Stream camera as RTMP stream [closed]

笑着哭i 提交于 2019-12-02 19:44:22
Closed. This question is off-topic. It is not currently accepting answers. Learn more . Want to improve this question? Update the question so it's on-topic for Stack Overflow. I want to capture the camera stream from an Android device and stream it to a server with RTMP (the server is out of my control). I have not figured out yet how to create a stream of data from the camera itself, but that is for a later concern. At the moment there are two problems: I wish to support API 9+ and RTMP is not native supported by Android. I've taken a look around and found this SO post Convert video Input

Stream realtime video between 2 computers using Python

余生长醉 提交于 2019-12-02 17:44:11
I am trying to send my macbook air webcam video in realtime and receive it using python on another computer . The motivation for this is to be able to offload realtime image recognition tasks to a server. The server requires having access to the realtime video frames in python so that I can then pass the frames to my image recognition algorithm (a deep neural net). I was able to do this successfully using https://github.com/atuldo/videoStream which uses the socket library to send the video frames in string format. However, this method results is a very low frame rate (see below for code

Convert rtsp video stream to http stream

寵の児 提交于 2019-12-02 17:42:50
I have the rtsp URL for a live video stream which I would like to access as an HTTP stream. Can someone please tell me if there are any components out there which I can put on my server to do this? I do not have any idea how I can implement this. Would appreciate a heads up. Thanks. I would say that your best bet is to use either FFmpeg or VLC. Both are open source software and are widely used among hobbyists and also as a part of multiple different services. Also both can take in RTSP streams and create an HTTP stream (with live transcoding if needed). FFmpeg's RTSP support has improved as of

Streaming Video From Android

心不动则不痛 提交于 2019-12-02 17:39:06
I'm trying to stream video from the Android phone, which should be watched in an mediaplayer. I've been looking at http://www.mattakis.com/blog/kisg/20090708/broadcasting-video-with-android-without-writing-to-the-file-system which seems to be a dead end since it send the raw file data, and not a streamable format. Then I tried using some code from SipDroid, more specific; parts of VideoCamera.java, RtpPacket.java and RtpSocket.java, which gives a stream on UDP, however these is not playable in i.e. mplayer(can't detect the codec). Wireshark tells that it is a UDP packet and not a RTP packet so

Raspberry Pi no delay (<10ms) video stream

若如初见. 提交于 2019-12-02 16:52:53
I'm building quadcopter based on Raspberry Pi. I want to stream video from webcam via cellular conection to my computer. I tryed ffmpeg and mjpg but it has to big delay to make it possible to control Quad only with watching video. My question is if it's possible to stream video with realy small delay (so small that I will be able to drive quad without problems)? If Raspberry's hardware isn't good enough, BeagleBord may do it? Also, mounting smartphone to quad will be last possible solution but I prefer soulution with Pi. UPDATE: I have used gstreamer for the streaming and Raspberry Pi camera.