mp4

问题 I get several emails everyday to my Gmail account, from my security camera system. Such mail contains links to video clips (aprox 20 sec each) from cameras in MP4 format. Strange is that on Mageia based PC after clicking on such link the clip is open and playback in new separate browser card. And it is correct situation for me. But on Ubuntu based PC, Chrome always download video clip to HDD instead playback one. I dont know is it Linux distribution related problem but both installations use

问题 We have integrated Chromium Embedded Framework into our Windows game to allow us to render web pages from within our application, and everything works fine, except MP4 videos. I understand Chromium does not include this codec due to licensing issues, but can anyone provide details on how we can add support, even if we have to license a codec for it. All the information we can find seems to be old, and the functions referred to appear to be deprecated... so we are at a bit of a loss. All the

问题 This is my video This is the script to find fps: import cv2 if __name__ == '__main__' : video = cv2.VideoCapture("test.mp4"); # Find OpenCV version (major_ver, minor_ver, subminor_ver) = (cv2.__version__).split('.') if int(major_ver) < 3 : fps = video.get(cv2.cv.CV_CAP_PROP_FPS) print "Frames per second using video.get(cv2.cv.CV_CAP_PROP_FPS): {0}".format(fps) else : fps = video.get(cv2.CAP_PROP_FPS) print "Frames per second using video.get(cv2.CAP_PROP_FPS) : {0}".format(fps) video.release()

问题 I am able to display a 3gp video from server. But when I tried to play an mp4 video it displayed an alert saying that Sorry,this video cannot be played. Please help me in this regard. package com.play.video; import android.app.Activity; import android.net.Uri; import android.os.Bundle; import android.widget.MediaController; import android.widget.VideoView; public class PlayvideofromserverActivity extends Activity { private VideoView vView; private String vSource; @Override public void

问题 I have an h.264 encoded stream of video on my server (node.js) and I want to use ffmpeg to convert it to an MP4 stream. Then I want to pipe that MP4 stream from the child process to the client using the response of an HTTP server that I have set up. I am very confused about all the options ffmpeg has and not sure how to pipe the output of the child process to the HTTP response. I have tried several combinations of ffmpeg options but the video does not play in the browser (or show any sign of

问题 How do you play an mp4 video in Pygame? I have tried pygame.movie but this does not work... Theres also moviepy, but I am having trouble changing the title of the window that pops up. It says "MoviePy", not sure how to change that. import moviepy from moviepy.editor import * import os os.environ["SDL_VIDEO_CENTERED"] = "1" clip = VideoFileClip('qq.mp4') clip.preview() execfile("qq.py") # Execute my game right after the clip shows How would I change the title from "MoviePy" to my "my game name

问题 My goal is to write C# that turns Microsoft LYNC meeting audio into text. Here is my project so far. Initially I was trying to record from microphone, save it to WAV then convert WAV to FLAC and using GoogleSpeechAPI, convert FLAC to text. But I got stuck recording microphone audio to WAV format. The problem is it needs to be in a very specific WAV format, i.e. int16 or int24 for the WAV to work with the WAV to FLAC convertion method. I kept recording 8 bits per sample instead of (16 or 24

问题 I want to serve a mp4 video in a HTML document but it doesn't play on the live server. Locally it works. Even using only the file without any HTML it does play when I use my local Apache. On the webserver the iPad says "Movie could not be played" The header for the file is "video/mp4" on both Servers. What could be the problem here? Regards UPDATE: Header local Apache: Accept-Ranges bytes Cache-Control max-age=86400 Connection Keep-Alive Content-Length 8993646 Content-Type video/mp4 Date Thu,

问题 I have just created and iPhone web app, which has some x264 (mp4) video files on it. When I link directly to the file on the iPhone and the user taps the link, the video player is loaded and the video starts playing. Using the app on an Android phone causes the browser to download the video instead of just playing it. Is there a way to force a video player to just boot up and play the video not download it? Thanks in advance. 回答1: You should know that Android is quite strict regarding the

问题 I'm using Video.js to play back videos in MP4 format on a client's website. The player uses html5 video and Adobe Flash Player as a fallback. (In my case it seems to use Flash always so I don't know if the problem exists in the native html5 player as well.) The video only starts playing after the *.mp4 file is completely loaded. So no buffer for a few seconds. The file must be completely downloaded by the browser before it starts playing. When the video is long, the visitor has to wait very