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GetID3 - Bloc informations de fichiers
9 avril 2013, par
Mis à jour : Mai 2013
Langue : français
Type : Image
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Pour y accéder, il suffit de se rendre dans l’espace de configuration puis de se rendre sur la page "Gestion des plugins".
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Sur d’autres sites (10725)
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Gujarati text properly not show on output video using FFmpeg Library in Android
15 mars 2024, par sanjay dangarGujarati text overly on video using FFmpeg Library on Android


below my code in Gujarati text twin word proper does not show


I am Enter this text ="વડાપ્રધાનશ્રી નરેન્દ્રભાઇ મોદી." but output video in proper not show


fun addFrame2VideoEditFun(
 videoPath: String,
 fontPath: String,
 outputPath: String
 ): Array<string> {
 val inputs: ArrayList<string> = ArrayList()
 var textFile = "વડાપ્રધાનશ્રી નરેન્દ્રભાઇ મોદી."
 inputs.apply {
 add("-i")
 add(videoPath)
 add("-vf")
 add("drawtext=fontfile=$fontPath:text=$textFile:fontsize=24:fontcolor=white:x=(w-text_w)/2:y=h-line_h")
 add("-c:a")
 add("copy")
 add(outputPath)
 }
 return inputs.toArray(arrayOfNulls(inputs.size))
 }
</string></string>

my output video in below text show




Gujarati text properly does not show on output video using FFmpeg Library.


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How to extract video embedded subtitle from a video URL and show in a text widget in flutter ?
24 mars 2024, par badshah badmasI'm using flutter VLC player to play videos in my flutter app. I want to change the subtitle size dynamically in my video. But Flutter VLC player did not provide the function to change subtitle size dynamically. So I would like to extract the subtitle from the video and show it in a text widget instead of VLC player's subtitle. Can someone help me to extract the subtitle from the video URL ? Or any other method to solve this issue ?


I have tried to extract subtitles using ffmpegkit .


await FFmpegKit.executeAsync('-i $url -map 0:s:0 -codec:s srt $outputPath');


This code returns a blank srt file.


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FFmpeg Streaming Video SpringBoot endpoint not show video duration in video players
7 avril 2024, par lxluxo23it turns out that I've been working on a personal project just out of curiosity.
the main function is to stream video by first encoding it through ffmpeg
then playback said video from any other device
call it "plex" very very primitive


although I achieve my goal which is to encode and send the video to the devices that make the request
this video is sent so to speak as a live broadcast.
I can only pause it, no forward or rewind, anyone have any idea what I am doing wrong or if I should take some other approach either in my service or controller ?


I leave fragments of my code


THE CONTROLLER


@RestController
@RequestMapping("/api")
@Log4j2
public class StreamController {

 @Autowired
 VideoStreamingService videoStreamingService;

 @Autowired
 VideoService videoService;


 @GetMapping("/stream/{videoId}")
 public ResponseEntity<streamingresponsebody> livestream(@PathVariable Long videoId,@RequestParam(required = false) String codec) {
 Video video = videoService.findVideoById(videoId);
 if (video != null) {
 Codec codecEnum = Codec.fromString(codec);
 return ResponseEntity.ok()
 .contentType(MediaType.valueOf("video/mp4"))
 .body(outputStream -> videoStreamingService.streamVideo(video.getPath(), outputStream,codecEnum));
 }
 return ResponseEntity.notFound().build();
 }
}
</streamingresponsebody>

THE SERVICE


@Service
public class VideoStreamingService {

 public void streamVideo(String videoPath, OutputStream outputStream, Codec codec) {

 FFmpeg ffmpeg = FFmpeg.atPath()
 .addArguments("-i", videoPath)
 .addArguments("-b:v", "5000k")
 .addArguments("-maxrate", "5000k")
 .addArguments("-bufsize", "10000k")
 .addArguments("-c:a", "aac")
 .addArguments("-b:a", "320k")
 .addArguments("-movflags", "frag_keyframe+empty_moov+faststart")
 .addOutput(PipeOutput.pumpTo(outputStream)
 .setFormat("mp4"))
 .addArgument("-nostdin");
 if (codec == Codec.AMD) {
 ffmpeg.addArguments("-profile:v", "high");
 }
 ffmpeg.addArguments("-c:v", codec.getFfmpegArgument());
 ffmpeg.execute();
 }
}


I have some enums to vary the encoding and use hardware acceleration or not.


and here is an example from my player
the endpoint is the following


http://localhost:8080/api/stream/2?codec=AMD
screenshot

I'm not sure if there's someone with more knowledge in either FFmpeg or Spring who could help me with this minor issue, I would greatly appreciate it. I've included the URL of the repository in case anyone would like to review it when answering my question




I tried changing the encoding format.
I tried copying the metadata from the original video.
I tried sending a custom header.
None of this has worked.


I would like to achieve what is mentioned in many sites, which is when you load a video from the network, the player shows how much of that video you have in the local "buffer".


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