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Corona Radiata
26 septembre 2011, par
Mis à jour : Septembre 2011
Langue : English
Type : Audio
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Lights in the Sky
26 septembre 2011, par
Mis à jour : Septembre 2011
Langue : English
Type : Audio
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Head Down
26 septembre 2011, par
Mis à jour : Septembre 2011
Langue : English
Type : Audio
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Echoplex
26 septembre 2011, par
Mis à jour : Septembre 2011
Langue : English
Type : Audio
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Discipline
26 septembre 2011, par
Mis à jour : Septembre 2011
Langue : English
Type : Audio
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Letting You
26 septembre 2011, par
Mis à jour : Septembre 2011
Langue : English
Type : Audio
Autres articles (59)
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Submit bugs and patches
13 avril 2011Unfortunately a software is never perfect.
If you think you have found a bug, report it using our ticket system. Please to help us to fix it by providing the following information : the browser you are using, including the exact version as precise an explanation as possible of the problem if possible, the steps taken resulting in the problem a link to the site / page in question
If you think you have solved the bug, fill in a ticket and attach to it a corrective patch.
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MediaSPIP 0.1 Beta version
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Sur d’autres sites (6038)
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React Native (Android) : Download mp3 file
21 février 2024, par Batuhan FındıkI get the youtube video link from the ui. I download the video from this link and convert it to mp3. I download it to my phone as mp3. The song opens on WhatsApp on the phone. but it doesn't open on the mp3 player. The song is not broken because it opens on WhatsApp too. Why do you think the mp3 player doesn't open ? Could it be from the file information ? I tried to enter some file information but it still won't open. For example, there is from information in songs played on an mp3 player. There is no from information in my song file. I tried to add it but it wasn't added.


.net 8 api return :


[HttpPost("ConvertVideoToMp3")]
public async Task<iactionresult> ConvertVideoToMp3(Mp3 data)
{
 try
 {
 string videoId = GetYoutubeVideoId(data.VideoUrl);

 var streamInfoSet = await _youtubeClient.Videos.Streams.GetManifestAsync(videoId);
 var videoStreamInfo = streamInfoSet.GetAudioOnlyStreams().GetWithHighestBitrate();

 if (videoStreamInfo != null)
 {
 var videoStream = await _youtubeClient.Videos.Streams.GetAsync(videoStreamInfo);
 var memoryStream = new MemoryStream();

 await videoStream.CopyToAsync(memoryStream);
 memoryStream.Seek(0, SeekOrigin.Begin);

 var videoFilePath = $"{videoId}.mp4";
 await System.IO.File.WriteAllBytesAsync(videoFilePath, memoryStream.ToArray());

 var mp3FilePath = $"{videoId}.mp3";
 var ffmpegProcess = Process.Start(new ProcessStartInfo
 {
 FileName = "ffmpeg",
 Arguments = $"-i \"{videoFilePath}\" -vn -acodec libmp3lame -ab 128k -id3v2_version 3 -metadata artist=\"YourArtistName\" -metadata title=\"YourTitle\" -metadata from=\"youtube\" \"{mp3FilePath}\"",
 RedirectStandardError = true,
 UseShellExecute = false,
 CreateNoWindow = true
 });

 await ffmpegProcess.WaitForExitAsync();

 var file = TagLib.File.Create(mp3FilePath);

 
 file.Tag.Artists = new string [] { "YourArtistName"};
 file.Tag.Title = "YourTitle";
 file.Tag.Album = "YourAlbumName"; 
 file.Tag.Comment = "Source: youtube";
 

 file.Save();

 var mp3Bytes = await System.IO.File.ReadAllBytesAsync(mp3FilePath);

 System.IO.File.Delete(videoFilePath);
 System.IO.File.Delete(mp3FilePath);

 return File(mp3Bytes, "audio/mpeg", $"{videoId}.mp3");
 }
 else
 {
 return NotFound("Video stream not found");
 }
 }
 catch (Exception ex)
 {
 return StatusCode(500, $"An error occurred: {ex.Message}");
 }
}
</iactionresult>

React Native :


const handleConvertAndDownload = async () => {
 try {
 const url = 'http://192.168.1.5:8080/api/Mp3/ConvertVideoToMp3';
 const fileName = 'example';
 const newFileName = generateUniqueSongName(fileName);
 const filePath = RNFS.DownloadDirectoryPath + '/'+newFileName;

 fetch(url, {
 method: 'POST',
 headers: {
 'Content-Type': 'application/json',
 },
 body: JSON.stringify({videoUrl:videoUrl}),
 })
 .then((response) => {
 if (!response.ok) {
 Alert.alert('Error', 'Network');
 throw new Error('Network response was not ok');
 }
 return response.blob();
 })
 .then((blob) => {
 return new Promise((resolve, reject) => {
 const reader = new FileReader();
 reader.onloadend = () => {
 resolve(reader.result.split(',')[1]); 
 };
 reader.onerror = reject;
 reader.readAsDataURL(blob);
 });
 })
 .then((base64Data) => {
 // Dosyanın varlığını kontrol et
 return RNFS.exists(filePath)
 .then((exists) => {
 if (exists) {
 console.log('File already exists');
 return RNFS.writeFile(filePath, base64Data, 'base64', 'append');
 } else {
 console.log('File does not exist');
 return RNFS.writeFile(filePath, base64Data, 'base64');
 }
 })
 .catch((error) => {
 console.error('Error checking file existence:', error);
 throw error;
 });
 })
 .then(() => {
 Alert.alert('Success', 'MP3 file downloaded successfully.');
 console.log('File downloaded successfully!');
 })
 .catch((error) => {
 Alert.alert('Error', error.message);
 console.error('Error downloading file:', error);
 });
 } catch (error) {
 Alert.alert('Error', error.message);
 console.error(error);
 }
 };


-
how to download portion of video which was uploaded into AWS s3 bucket, though Nodejs SDKs
22 février 2024, par rama rangeswara reddyI have uploaded a 1GB .mp4 file to an AWS S3 bucket. Using the AWS-SDK provided by the npm package, I am able to download the entire video. However, I have a specific requirement to generate a thumbnail at the 6-second mark of the video. Currently, I download the entire 1GB video to my local machine and then generate the thumbnail at the desired duration.


To optimize server resources and reduce disk load, I plan to download only the first 10 seconds of the video, which should be approximately 10MB or less in size. By doing so, I can significantly reduce download time and server load while still fulfilling my requirement of generating the thumbnail at the 6-second mark. Therefore, instead of downloading the entire 1GB video, I aim to download only the 10MB segment corresponding to the first 10 seconds of the video.


I am using nodejs, expressJS, as backed Technologies.


`


`async function downloadS3FileToLocalDirAndReturnPath(videoKey) {
 return new Promise(async (resolve, reject) => {
 try {
 AWS.config.update({
 accessKeyId: config.AWS.KEYS.accessKeyId,
 secretAccessKey: config.AWS.KEYS.secretAccessKey,
 region: config.AWS.KEYS.region,
 httpOptions: config.AWS.KEYS.httpOptions
 });
 const s3 = new AWS.S3();

 // Specify the local file path where you want to save the downloaded video
 const localFilePath = `${os.tmpdir()}/${Date.now()}_sre.mp4`;

 // Configure the parameters for the S3 getObject operation
 const params = {
 Bucket: config.AWS.S3_BUCKET,
 Key: videoKey
 };

 const result = await s3.getObject(params).promise();
 const fileContent = result.Body;
 fs.writeFileSync(localFilePath, fileContent);
 resolve(localFilePath);
 } catch (error) {
 reject(error);
 }
 });
}`


this code was working fine to download the whole video , but i need to download only first 10 seconds duration


S3 : How to do a partial read / seek without downloading the complete file ?


I tried this ,before posting this question with above post, video was downloading , it was not playing , by throwing this error , the file contains no playable streams


async function generateThumbnails(videoKey) {

const s3 = new AWS.S3();

const params = {
 Bucket: KEYS.bucket,
 Key: videoKey, // Specify the key of the video file in S3
 Range: `bytes=0-${1024 * 800}`, // Specify the range of bytes you want to retrieve
};

const file = fs.createWriteStream(`/tmp/${Date.now()}_rama.mp4`);

const s3Stream = s3.getObject(params).createReadStream();

s3Stream.pipe(file);

s3Stream.on("error", (error) => {
 console.log("Error Occured while File downloading!! ");
});

s3Stream.on("finish", () => {
 console.log("File downloaded Successfully ");
});


}


-
lavu/hwcontext_qsv : Join the download/upload session to the main session
11 mars 2024, par Haihao Xiang
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