Recherche avancée
Médias (91)
-
999,999
26 septembre 2011, par
Mis à jour : Septembre 2011
Langue : English
Type : Audio
-
The Slip - Artworks
26 septembre 2011, par
Mis à jour : Septembre 2011
Langue : English
Type : Texte
-
Demon seed (wav version)
26 septembre 2011, par
Mis à jour : Avril 2013
Langue : English
Type : Audio
-
The four of us are dying (wav version)
26 septembre 2011, par
Mis à jour : Avril 2013
Langue : English
Type : Audio
-
Corona radiata (wav version)
26 septembre 2011, par
Mis à jour : Avril 2013
Langue : English
Type : Audio
-
Lights in the sky (wav version)
26 septembre 2011, par
Mis à jour : Avril 2013
Langue : English
Type : Audio
Autres articles (44)
-
(Dés)Activation de fonctionnalités (plugins)
18 février 2011, parPour gérer l’ajout et la suppression de fonctionnalités supplémentaires (ou plugins), MediaSPIP utilise à partir de la version 0.2 SVP.
SVP permet l’activation facile de plugins depuis l’espace de configuration de MediaSPIP.
Pour y accéder, il suffit de se rendre dans l’espace de configuration puis de se rendre sur la page "Gestion des plugins".
MediaSPIP est fourni par défaut avec l’ensemble des plugins dits "compatibles", ils ont été testés et intégrés afin de fonctionner parfaitement avec chaque (...) -
Les autorisations surchargées par les plugins
27 avril 2010, parMediaspip core
autoriser_auteur_modifier() afin que les visiteurs soient capables de modifier leurs informations sur la page d’auteurs -
Librairies et binaires spécifiques au traitement vidéo et sonore
31 janvier 2010, parLes logiciels et librairies suivantes sont utilisées par SPIPmotion d’une manière ou d’une autre.
Binaires obligatoires FFMpeg : encodeur principal, permet de transcoder presque tous les types de fichiers vidéo et sonores dans les formats lisibles sur Internet. CF ce tutoriel pour son installation ; Oggz-tools : outils d’inspection de fichiers ogg ; Mediainfo : récupération d’informations depuis la plupart des formats vidéos et sonores ;
Binaires complémentaires et facultatifs flvtool2 : (...)
Sur d’autres sites (9622)
-
DASH package (mpd) I made freezes after raising the onratechange event
7 mars 2016, par Nick BirkeI am trying to created an adaptive stream from an mp4 file. I have a decent amount of experience at doing streaming, and have successfully implemented smooth streaming via Silverlight. We want a solution for everything that works in HTML5. I am pursuing DASH. So here are the steps I take...
- Resample the mp4 to different sizes using ffmpeg.
- Ensure the files are properly fragmented using Bento4s mp4Fragment utility.
- Create the DASH mpd file and associated segments using Bento4s mp4dash utility.
I have done a lot of work to learn each of these utilities and create a process that gets to output that I think will work. To create reliable DASH artifacts. But it seems I am doing something wrong. Here are examples of command lines I run.
For step one I create three different files... for three different rates and sizes... (these may not be the exact command lines, they are from old notes... but the parameter values are the ones I am using for sure)
ffmpeg -y -i C:\_SIMULATED_SHARE_C\ff\big_buck_bunny.mp4 -c:v libx264 -x264opts keyint=24:min-keyint=24:no-scenecut -b:v 1500k -maxrate 1500k -bufsize 1000k -vf "scale=-1:720" C:\_SIMULATED_SHARE_C\ff\output\outputfile720.mp4
ffmpeg -y -i C:\_SIMULATED_SHARE_C\ff\big_buck_bunny.mp4 -c:v libx264 -x264opts keyint=24:min-keyint=24:no-scenecut -b:v 800k -maxrate 800k -bufsize 500k -vf "scale=-1:540" C:\_SIMULATED_SHARE_C\ff\output\outputfile540.mp4
ffmpeg -y -i C:\_SIMULATED_SHARE_C\ff\big_buck_bunny.mp4 -c:v libx264 -x264opts keyint=24:min-keyint=24:no-scenecut -b:v 400k -maxrate 400k -bufsize 400k -vf "scale=-1:360" C:\_SIMULATED_SHARE_C\ff\output\outputfile360.mp4So that gives you the three files that need to be fragmented. So I fragment them using the mp4fragment utility from Bento4. That command line is simple so I will not offer an example.
The I use Bento4s mp4dash to create the dash. Something like this...
"E:\\_INSTALL\\Bento4\\Bento4-SDK-1-4-3-607.x86-microsoft-win32-vs2010\\Bento4-SDK-1-4-3-607.x86-microsoft-win32-vs2010\\bin\\mp4dash.exe --mpd-name=\"\\\\d9fqt52\\_SIMULATED_SHARE_C\\ff\\output\\dash\\something.mpd\" -f -o \"\\\\d9fqt52\\_SIMULATED_SHARE_C\\ff\\output\\dash\" \"\\\\d9fqt52\\_SIMULATED_SHARE_C\\ff\\output\\bunny360f.mp4\" \"\\\\d9fqt52\\_SIMULATED_SHARE_C\\ff\\output\\bunny540f.mp4\" \"\\\\d9fqt52\\_SIMULATED_SHARE_C\\ff\\output\\bunny720f.mp4\" "This runs ok. And creates the mpd file, an audio folder with segment files, an a video folder with 3 folders each with the segment files.
I am able to configure IIS to play the mpd ok. As well as the segement files. The video plays fine... and then it stops. It freezes between 50 and 60 seconds. Right before it freezes I can confirm that the onratechange event of the HTML5 video tag is raised. This is an event that is raised with the rate of play is changed. I do nothing to change this it just happens.
The actual video in question is about 1hr long. Also I am using the dash.js library as a player.
If you can identify any components or specifics I should change please let me know !
UPDATE ON MAR 7, 2016
As requested here is the MPD content...
<?xml version="1.0" ?>
<mpd mediapresentationduration="PT51M51.909S" minbuffertime="PT0.80S" profiles="urn:mpeg:dash:profile:isoff-live:2011" type="static" xmlns="urn:mpeg:dash:schema:mpd:2011">
<period>
<adaptationset lang="en" mimetype="audio/mp4" segmentalignment="true" startwithsap="1">
<segmenttemplate duration="801" initialization="$RepresentationID$/init.mp4" media="$RepresentationID$/seg-$Number$.m4f" startnumber="1" timescale="1000"></segmenttemplate>
<representation audiosamplingrate="48000" bandwidth="132491" codecs="mp4a.40.2">
<audiochannelconfiguration schemeiduri="urn:mpeg:dash:23003:3:audio_channel_configuration:2011" value="2"></audiochannelconfiguration>
</representation>
</adaptationset>
<adaptationset maxheight="720" maxwidth="1280" mimetype="video/mp4" minheight="540" minwidth="640" segmentalignment="true" startwithsap="1">
<segmenttemplate duration="801" initialization="$RepresentationID$/init.mp4" media="$RepresentationID$/seg-$Number$.m4f" startnumber="1" timescale="1000"></segmenttemplate>
<representation bandwidth="785536" codecs="avc1.64001F" framerate="30000/1001" height="540" scantype="progressive" width="960"></representation>
<representation bandwidth="403537" codecs="avc1.64001E" framerate="30000/1001" height="360" scantype="progressive" width="640"></representation>
<representation bandwidth="1496514" codecs="avc1.64001F" framerate="30000/1001" height="720" scantype="progressive" width="1280"></representation>
</adaptationset>
</period>
</mpd>UPDATE ON MAR 7, 2016
Here is the console output for two different videos that just stop for some unknown reason between 50 and 60s
///ABS VIDEO
58393][rulesController] [RULES]: playbackTimeRule [Fragment:download,82,MediaSegment,0video] Default
dash.all.js:11 [58395][rulesController] [RULES]: sameTimeRequestRule [Fragment:download,82,MediaSegment,0,video] Default
dash.all.js:11 [58401][indexHandler][audio] Getting the request for time: 82.082
dash.all.js:11 [58403][indexHandler][audio] Index for time 82.082 is 81
dash.all.js:11 [58405][indexHandler][audio] SegmentTemplate: 81.08099999999999 / 1361.235
dash.all.js:11 [58406][indexHandler][audio] SegmentTemplate: 82.082 / 1361.235
dash.all.js:11 [58407][rulesController] [RULES]: playbackTimeRule [Fragment:download,82,MediaSegment,0audio] Default
dash.all.js:11 [58417][fragmentLoader] loaded video:MediaSegment:82.082 (200, 18ms, 2ms)
dash.all.js:11 [58419][rulesController] [RULES]: sameTimeRequestRule [Fragment:download,82,MediaSegment,0,audio] Default
dash.all.js:11 [58435][fragmentLoader] loaded audio:MediaSegment:82.082 (200, 14ms, 0ms)
dash.all.js:11 [59390][indexHandler][video] Getting the request for time: 83.083
dash.all.js:11 [59392][indexHandler][video] Index for time 83.083 is 82
dash.all.js:11 [59393][indexHandler][video] SegmentTemplate: 82.082 / 1361.235
dash.all.js:11 [59394][indexHandler][video] SegmentTemplate: 83.08299999999998 / 1361.235
dash.all.js:11 [59395][rulesController] [RULES]: playbackTimeRule [Fragment:download,83,MediaSegment,0video] Default
dash.all.js:11 [59396][rulesController] [RULES]: sameTimeRequestRule [Fragment:download,83,MediaSegment,0,video] Default
dash.all.js:11 [59401][indexHandler][audio] Getting the request for time: 83.083
dash.all.js:11 [59403][indexHandler][audio] Index for time 83.083 is 82
dash.all.js:11 [59404][indexHandler][audio] SegmentTemplate: 82.082 / 1361.235
dash.all.js:11 [59406][indexHandler][audio] SegmentTemplate: 83.08299999999998 / 1361.235
dash.all.js:11 [59408][rulesController] [RULES]: playbackTimeRule [Fragment:download,83,MediaSegment,0audio] Default
dash.all.js:11 [59416][fragmentLoader] loaded video:MediaSegment:83.08299999999998 (200, 17ms, 1ms)
dash.all.js:11 [59418][rulesController] [RULES]: sameTimeRequestRule [Fragment:download,83,MediaSegment,0,audio] Default
dash.all.js:11 [59437][fragmentLoader] loaded audio:MediaSegment:83.08299999999998 (200, 14ms, 1ms)
dash.all.js:11 [59902][scheduleController][video] Stalling Buffer
dash.all.js:11 [59903][bufferController][video] Waiting for more buffer before starting playback.
dash.all.js:11 [59906][scheduleController][audio] Stalling Buffer
dash.all.js:11 [59907][bufferController][audio] Waiting for more buffer before starting playback.
dash.all.js:11 [63684][playbackController] <video> ratechange: 0
///HOG VIDEO
[58250][rulesController] [RULES]: playbackTimeRule [Fragment:download,105,MediaSegment,0audio] Default
dash.all.js:11 [58266][fragmentLoader] loaded video:MediaSegment:84.105 (200, 28ms, 1ms)
dash.all.js:11 [58269][rulesController] [RULES]: sameTimeRequestRule [Fragment:download,105,MediaSegment,0,audio] Default
dash.all.js:11 [58287][fragmentLoader] loaded audio:MediaSegment:84.105 (200, 14ms, 1ms)
dash.all.js:11 [58982][indexHandler][video] Getting the request for time: 84.906
dash.all.js:11 [58983][indexHandler][video] Index for time 84.906 is 105
dash.all.js:11 [58984][indexHandler][video] SegmentTemplate: 84.105 / 3111.909
dash.all.js:11 [58984][indexHandler][video] SegmentTemplate: 84.906 / 3111.909
dash.all.js:11 [58985][rulesController] [RULES]: playbackTimeRule [Fragment:download,106,MediaSegment,0video] Default
dash.all.js:11 [58986][rulesController] [RULES]: sameTimeRequestRule [Fragment:download,106,MediaSegment,0,video] Default
dash.all.js:11 [58989][indexHandler][audio] Getting the request for time: 84.906
dash.all.js:11 [58990][indexHandler][audio] Index for time 84.906 is 105
dash.all.js:11 [58991][indexHandler][audio] SegmentTemplate: 84.105 / 3111.909
dash.all.js:11 [58992][indexHandler][audio] SegmentTemplate: 84.906 / 3111.909
dash.all.js:11 [58993][rulesController] [RULES]: playbackTimeRule [Fragment:download,106,MediaSegment,0audio] Default
dash.all.js:11 [59002][fragmentLoader] loaded video:MediaSegment:84.906 (200, 14ms, 1ms)
dash.all.js:11 [59003][rulesController] [RULES]: sameTimeRequestRule [Fragment:download,106,MediaSegment,0,audio] Default
dash.all.js:11 [59014][fragmentLoader] loaded audio:MediaSegment:84.906 (200, 8ms, 1ms)
dash.all.js:11 [59735][scheduleController][video] Stalling Buffer
dash.all.js:11 [59736][bufferController][video] Waiting for more buffer before starting playback.
dash.all.js:11 [59738][scheduleController][audio] Stalling Buffer
dash.all.js:11 [59739][bufferController][audio] Waiting for more buffer before starting playback.
dash.all.js:11 [61695][playbackController] <video> ratechange: 0
</video></video> -
H264 Encoding - Could not play video using VLC Player
31 mars 2016, par bot1131357I am have trouble encoding an H264 video correctly using FFmpeg libav. I could not play the encoded video in VLC media player, and although I could play the video on MPC-HC the time shows
00:00/00:00. Clearly I’m missing something.The Media info from MPC-HC shows this :
General
Format : AVC
Format/Info : Advanced Video Codec
File size : 110 KiB
Duration : 2s 400ms
Overall bit rate : 375 Kbps
Writing library : x264 core 148 r2665 a01e339
Encoding settings : cabac=0 / ref=3 / deblock=1:0:0 / analyse=0x1:0x111 / me=hex / subme=7 / psy=1 / psy_rd=1.00:0.00 / mixed_ref=1 / me_range=16 / chroma_me=1 / trellis=1 / 8x8dct=0 / cqm=0 / deadzone=21,11 / fast_pskip=1 / chroma_qp_offset=-2 / threads=7 / lookahead_threads=1 / sliced_threads=0 / nr=0 / decimate=1 / interlaced=0 / bluray_compat=0 / constrained_intra=0 / bframes=0 / weightp=0 / keyint=12 / keyint_min=1 / scenecut=40 / intra_refresh=0 / rc_lookahead=12 / rc=abr / mbtree=1 / bitrate=2000 / ratetol=1.0 / qcomp=0.60 / qpmin=0 / qpmax=69 / qpstep=4 / ip_ratio=1.40 / aq=1:1.00Video
Format : AVC
Format/Info : Advanced Video Codec
Format profile : Baseline@L2.1
Format settings, CABAC : No
Format settings, ReFrames : 3 frames
Format settings, GOP : M=1, N=12
Duration : 2s 400ms
Bit rate : 2 000 Kbps
Width : 320 pixels
Height : 240 pixels
Display aspect ratio : 4:3
Frame rate mode : Variable
Frame rate : 20.833 fps
Color space : YUV
Chroma subsampling : 4:2:0
Bit depth : 8 bits
Scan type : Progressive
Bits/(Pixel*Frame) : 1.250
Stream size : 586 KiB
Writing library : x264 core 148 r2665 a01e339
Encoding settings : cabac=0 / ref=3 / deblock=1:0:0 / analyse=0x1:0x111 / me=hex / subme=7 / psy=1 / psy_rd=1.00:0.00 / mixed_ref=1 / me_range=16 / chroma_me=1 / trellis=1 / 8x8dct=0 / cqm=0 / deadzone=21,11 / fast_pskip=1 / chroma_qp_offset=-2 / threads=7 / lookahead_threads=1 / sliced_threads=0 / nr=0 / decimate=1 / interlaced=0 / bluray_compat=0 / constrained_intra=0 / bframes=0 / weightp=0 / keyint=12 / keyint_min=1 / scenecut=40 / intra_refresh=0 / rc_lookahead=12 / rc=abr / mbtree=1 / bitrate=2000 / ratetol=1.0 / qcomp=0.60 / qpmin=0 / qpmax=69 / qpstep=4 / ip_ratio=1.40 / aq=1:1.00I noticed something odd in the above info :
The frame rate is 20.833fps, instead of the specified 10 fps. Duration of 2s 400msdid not seem right either, since the video played for more than 4s.Also,
(AVFrame* picture)->pict_typeis always set toAV_PICTURE_TYPE_NONE. I don’t think this is normal.The library that I’m using is ffmpeg-20160219-git-98a0053-win32-dev. I would really really appreciate if you could help me out of this confusion.
/*
* Video encoding example
*/
char filename[] = "test.mp4";
int main(int argc, char** argv)
{
AVCodec *codec = NULL;
AVCodecContext *codecCtx= NULL;
AVFormatContext *pFormatCtx = NULL;
AVStream * pVideoStream = NULL;
AVFrame *picture = NULL;
int i, x, y, //
ret, // Return value
got_packet_ptr; // Data encoded into packet
printf("Video encoding\n");
// Register all formats and codecs
av_register_all();
// allocate context
pFormatCtx = avformat_alloc_context();
memcpy(pFormatCtx->filename,filename,
min(strlen(filename), sizeof(pFormatCtx->filename)));
// guess format
pFormatCtx->oformat = av_guess_format("h264", NULL, NULL);
if (NULL==pFormatCtx->oformat)
{
cerr << "Could not guess output format" << endl;
return -1;
}
// Find the codec.
codec = avcodec_find_encoder(pFormatCtx->oformat->video_codec);
if (codec == NULL) {
fprintf(stderr, "Codec not found\n");
return -1;
}
// Set context
int framerate = 10;
codecCtx = avcodec_alloc_context3(codec);
avcodec_get_context_defaults3(codecCtx, codec);
codecCtx->pix_fmt = AV_PIX_FMT_YUV420P;
codecCtx->profile = FF_PROFILE_H264_BASELINE;
// Resolution must be a multiple of two.
codecCtx->width = 320;
codecCtx->height = 240;
codecCtx->bit_rate = 2000000;
codecCtx->time_base.den = framerate;
codecCtx->time_base.num = 1;
codecCtx->gop_size = 12; // emit one intra frame every twelve frames at most
// Open the codec.
if (avcodec_open2(codecCtx, codec, NULL) < 0)
{
printf("Cannot open video codec\n");
return -1;
}
// Add stream to pFormatCtx
pVideoStream = avformat_new_stream(pFormatCtx, codec);
if (!pVideoStream)
{
printf("Cannot add new video stream\n");
return -1;
}
pVideoStream->codec = codecCtx;
pVideoStream->time_base.den = framerate;
pVideoStream->time_base.num = 1;
if (avio_open2(&pFormatCtx->pb, filename, AVIO_FLAG_WRITE, NULL, NULL) < 0)
{
printf("Cannot open file\n");
return -1;
}
// Write file header.
avformat_write_header(pFormatCtx, NULL);
// Create frame
picture= av_frame_alloc();
picture->format = codecCtx->pix_fmt;
picture->width = codecCtx->width;
picture->height = codecCtx->height;
int bufferImgSize = av_image_get_buffer_size(codecCtx->pix_fmt, codecCtx->width,
codecCtx->height,1);
av_image_alloc(picture->data, picture->linesize, codecCtx->width, codecCtx->height, codecCtx->pix_fmt, 32);
AVPacket avpkt;
/* encode 1 second of video */
for(i=0;i<50;i++)
{
/* prepare a dummy image */
/* Y */
for(y=0;yheight;y++)
{
for(x=0;xwidth;x++)
{
picture->data[0][y * picture->linesize[0] + x] = x + y + i * 3;
}
}
/* Cb and Cr */
for(y=0;yheight/2;y++)
{
for(x=0;xwidth/2;x++)
{
picture->data[1][y * picture->linesize[1] + x] = 128 + y + i * 2;
picture->data[2][y * picture->linesize[2] + x] = 64 + x + i * 5;
}
}
// Get timestamp
picture->pts = (float) i * (1000.0/(float)(codecCtx->time_base.den)) * 90;
// Encode frame to packet
av_init_packet(&avpkt);
got_packet_ptr = 0;
int error = avcodec_encode_video2(codecCtx, &avpkt, picture, &got_packet_ptr);
if (!error && got_packet_ptr > 0)
{
// Write packet with frame.
ret = (av_interleaved_write_frame(pFormatCtx, &avpkt) == 0);
}
av_packet_unref(&avpkt);
}
// Flush remaining encoded data
while(1)
{
av_init_packet(&avpkt);
got_packet_ptr = 0;
// Encode frame to packet.
int error = avcodec_encode_video2(codecCtx, &avpkt, NULL, &got_packet_ptr);
if (!error && got_packet_ptr > 0)
{
// Write packet with frame.
ret = (av_interleaved_write_frame(pFormatCtx, &avpkt) == 0);
}
else
{
break;
}
av_packet_unref(&avpkt);
}
av_write_trailer(pFormatCtx);
av_packet_unref(&avpkt);
av_frame_free(&picture);
avcodec_close(codecCtx);
av_free(codecCtx);
cin.get();
} -
Encoding Exception during Transcode with audio files
6 mai 2016, par Hakop ZakaryanI am attempting to transcode using an FFMPEG Wrapper Library called JAVE on Mac OSX 10.11.3 using Eclipse 4.50
My Converter.java class looks something like this :
package matador;
import it.sauronsoftware.jave.AudioAttributes;
import it.sauronsoftware.jave.EncodingAttributes;
import it.sauronsoftware.jave.EncoderException;
import it.sauronsoftware.jave.InputFormatException;
import it.sauronsoftware.jave.Encoder;
import java.io.*;
public class Converter {
public static void main(String[] args) throws InputFormatException, EncoderException {
File source = new File("Classic.m4a");
File target = new File("target.mp3");
AudioAttributes audio = new AudioAttributes();
audio.setCodec("libmp3lame");
audio.setBitRate(new Integer(128000));
audio.setChannels(new Integer(2));
audio.setSamplingRate(new Integer(44100));
EncodingAttributes attrs = new EncodingAttributes();
attrs.setFormat("mp3");
attrs.setAudioAttributes(audio);
Encoder encoder = new Encoder(new MyFFMPEGExecutableLocator());
try {
encoder.encode(source, target, attrs, null);
} catch (IllegalArgumentException e) {
e.printStackTrace();
} catch (InputFormatException e) {
e.printStackTrace();
} catch (EncoderException e) {
e.printStackTrace();
}
}
}The problem I am running into is that with specific audio files (regardless of format) give me this EncoderException :
it.sauronsoftware.jave.EncoderException: Metadata:
at it.sauronsoftware.jave.Encoder.encode(Encoder.java:863)
at matador.Converter.main(Converter.java:32)I have looked through Encoder.java and the EncoderException on line 863 is this specific code :
} else if (!line.startsWith("Output #0")) {
throw new EncoderException(line);I have been unable to figure out why this may be occurring but specific audio files (WAV/AAC/etc) do encode yet a majority just give this exception.
Thank you for the help !
Edit : As per request for possibly being able to help me further, here is the entirety of the Encoder.java code :
package it.sauronsoftware.jave;
import java.io.File;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.Hashtable;
import java.util.StringTokenizer;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class Encoder {
private static final Pattern FORMAT_PATTERN = Pattern
.compile("^\\s*([D ])([E ])\\s+([\\w,]+)\\s+.+$");
private static final Pattern ENCODER_DECODER_PATTERN = Pattern.compile(
"^\\s*([D ])([E ])([AVS]).{3}\\s+(.+)$", Pattern.CASE_INSENSITIVE);
private static final Pattern PROGRESS_INFO_PATTERN = Pattern.compile(
"\\s*(\\w+)\\s*=\\s*(\\S+)\\s*", Pattern.CASE_INSENSITIVE);
private static final Pattern SIZE_PATTERN = Pattern.compile(
"(\\d+)x(\\d+)", Pattern.CASE_INSENSITIVE);
private static final Pattern FRAME_RATE_PATTERN = Pattern.compile(
"([\\d.]+)\\s+(?:fps|tb\\(r\\))", Pattern.CASE_INSENSITIVE);
private static final Pattern BIT_RATE_PATTERN = Pattern.compile(
"(\\d+)\\s+kb/s", Pattern.CASE_INSENSITIVE);
private static final Pattern SAMPLING_RATE_PATTERN = Pattern.compile(
"(\\d+)\\s+Hz", Pattern.CASE_INSENSITIVE);
private static final Pattern CHANNELS_PATTERN = Pattern.compile(
"(mono|stereo)", Pattern.CASE_INSENSITIVE);
private static final Pattern SUCCESS_PATTERN = Pattern.compile(
"^\\s*video\\:\\S+\\s+audio\\:\\S+\\s+global headers\\:\\S+.*$",
Pattern.CASE_INSENSITIVE);
private FFMPEGLocator locator;
public Encoder() {
this.locator = new DefaultFFMPEGLocator();
}
public Encoder(FFMPEGLocator locator) {
this.locator = locator;
}
public String[] getAudioDecoders() throws EncoderException {
ArrayList res = new ArrayList();
FFMPEGExecutor ffmpeg = locator.createExecutor();
ffmpeg.addArgument("-formats");
try {
ffmpeg.execute();
RBufferedReader reader = null;
reader = new RBufferedReader(new InputStreamReader(ffmpeg
.getInputStream()));
String line;
boolean evaluate = false;
while ((line = reader.readLine()) != null) {
if (line.trim().length() == 0) {
continue;
}
if (evaluate) {
Matcher matcher = ENCODER_DECODER_PATTERN.matcher(line);
if (matcher.matches()) {
String decoderFlag = matcher.group(1);
String audioVideoFlag = matcher.group(3);
if ("D".equals(decoderFlag)
&& "A".equals(audioVideoFlag)) {
String name = matcher.group(4);
res.add(name);
}
} else {
break;
}
} else if (line.trim().equals("Codecs:")) {
evaluate = true;
}
}
} catch (IOException e) {
throw new EncoderException(e);
} finally {
ffmpeg.destroy();
}
int size = res.size();
String[] ret = new String[size];
for (int i = 0; i < size; i++) {
ret[i] = (String) res.get(i);
}
return ret;
}
public String[] getAudioEncoders() throws EncoderException {
ArrayList res = new ArrayList();
FFMPEGExecutor ffmpeg = locator.createExecutor();
ffmpeg.addArgument("-formats");
try {
ffmpeg.execute();
RBufferedReader reader = null;
reader = new RBufferedReader(new InputStreamReader(ffmpeg
.getInputStream()));
String line;
boolean evaluate = false;
while ((line = reader.readLine()) != null) {
if (line.trim().length() == 0) {
continue;
}
if (evaluate) {
Matcher matcher = ENCODER_DECODER_PATTERN.matcher(line);
if (matcher.matches()) {
String encoderFlag = matcher.group(2);
String audioVideoFlag = matcher.group(3);
if ("E".equals(encoderFlag)
&& "A".equals(audioVideoFlag)) {
String name = matcher.group(4);
res.add(name);
}
} else {
break;
}
} else if (line.trim().equals("Codecs:")) {
evaluate = true;
}
}
} catch (IOException e) {
throw new EncoderException(e);
} finally {
ffmpeg.destroy();
}
int size = res.size();
String[] ret = new String[size];
for (int i = 0; i < size; i++) {
ret[i] = (String) res.get(i);
}
return ret;
}
public String[] getVideoDecoders() throws EncoderException {
ArrayList res = new ArrayList();
FFMPEGExecutor ffmpeg = locator.createExecutor();
ffmpeg.addArgument("-formats");
try {
ffmpeg.execute();
RBufferedReader reader = null;
reader = new RBufferedReader(new InputStreamReader(ffmpeg
.getInputStream()));
String line;
boolean evaluate = false;
while ((line = reader.readLine()) != null) {
if (line.trim().length() == 0) {
continue;
}
if (evaluate) {
Matcher matcher = ENCODER_DECODER_PATTERN.matcher(line);
if (matcher.matches()) {
String decoderFlag = matcher.group(1);
String audioVideoFlag = matcher.group(3);
if ("D".equals(decoderFlag)
&& "V".equals(audioVideoFlag)) {
String name = matcher.group(4);
res.add(name);
}
} else {
break;
}
} else if (line.trim().equals("Codecs:")) {
evaluate = true;
}
}
} catch (IOException e) {
throw new EncoderException(e);
} finally {
ffmpeg.destroy();
}
int size = res.size();
String[] ret = new String[size];
for (int i = 0; i < size; i++) {
ret[i] = (String) res.get(i);
}
return ret;
}
public String[] getVideoEncoders() throws EncoderException {
ArrayList res = new ArrayList();
FFMPEGExecutor ffmpeg = locator.createExecutor();
ffmpeg.addArgument("-formats");
try {
ffmpeg.execute();
RBufferedReader reader = null;
reader = new RBufferedReader(new InputStreamReader(ffmpeg
.getInputStream()));
String line;
boolean evaluate = false;
while ((line = reader.readLine()) != null) {
if (line.trim().length() == 0) {
continue;
}
if (evaluate) {
Matcher matcher = ENCODER_DECODER_PATTERN.matcher(line);
if (matcher.matches()) {
String encoderFlag = matcher.group(2);
String audioVideoFlag = matcher.group(3);
if ("E".equals(encoderFlag)
&& "V".equals(audioVideoFlag)) {
String name = matcher.group(4);
res.add(name);
}
} else {
break;
}
} else if (line.trim().equals("Codecs:")) {
evaluate = true;
}
}
} catch (IOException e) {
throw new EncoderException(e);
} finally {
ffmpeg.destroy();
}
int size = res.size();
String[] ret = new String[size];
for (int i = 0; i < size; i++) {
ret[i] = (String) res.get(i);
}
return ret;
}
public String[] getSupportedEncodingFormats() throws EncoderException {
ArrayList res = new ArrayList();
FFMPEGExecutor ffmpeg = locator.createExecutor();
ffmpeg.addArgument("-formats");
try {
ffmpeg.execute();
RBufferedReader reader = null;
reader = new RBufferedReader(new InputStreamReader(ffmpeg
.getInputStream()));
String line;
boolean evaluate = false;
while ((line = reader.readLine()) != null) {
if (line.trim().length() == 0) {
continue;
}
if (evaluate) {
Matcher matcher = FORMAT_PATTERN.matcher(line);
if (matcher.matches()) {
String encoderFlag = matcher.group(2);
if ("E".equals(encoderFlag)) {
String aux = matcher.group(3);
StringTokenizer st = new StringTokenizer(aux, ",");
while (st.hasMoreTokens()) {
String token = st.nextToken().trim();
if (!res.contains(token)) {
res.add(token);
}
}
}
} else {
break;
}
} else if (line.trim().equals("File formats:")) {
evaluate = true;
}
}
} catch (IOException e) {
throw new EncoderException(e);
} finally {
ffmpeg.destroy();
}
int size = res.size();
String[] ret = new String[size];
for (int i = 0; i < size; i++) {
ret[i] = (String) res.get(i);
}
return ret;
}
public String[] getSupportedDecodingFormats() throws EncoderException {
ArrayList res = new ArrayList();
FFMPEGExecutor ffmpeg = locator.createExecutor();
ffmpeg.addArgument("-formats");
try {
ffmpeg.execute();
RBufferedReader reader = null;
reader = new RBufferedReader(new InputStreamReader(ffmpeg
.getInputStream()));
String line;
boolean evaluate = false;
while ((line = reader.readLine()) != null) {
if (line.trim().length() == 0) {
continue;
}
if (evaluate) {
Matcher matcher = FORMAT_PATTERN.matcher(line);
if (matcher.matches()) {
String decoderFlag = matcher.group(1);
if ("D".equals(decoderFlag)) {
String aux = matcher.group(3);
StringTokenizer st = new StringTokenizer(aux, ",");
while (st.hasMoreTokens()) {
String token = st.nextToken().trim();
if (!res.contains(token)) {
res.add(token);
}
}
}
} else {
break;
}
} else if (line.trim().equals("File formats:")) {
evaluate = true;
}
}
} catch (IOException e) {
throw new EncoderException(e);
} finally {
ffmpeg.destroy();
}
int size = res.size();
String[] ret = new String[size];
for (int i = 0; i < size; i++) {
ret[i] = (String) res.get(i);
}
return ret;
}
public MultimediaInfo getInfo(File source) throws InputFormatException,
EncoderException {
FFMPEGExecutor ffmpeg = locator.createExecutor();
ffmpeg.addArgument("-i");
ffmpeg.addArgument(source.getAbsolutePath());
try {
ffmpeg.execute();
} catch (IOException e) {
throw new EncoderException(e);
}
try {
RBufferedReader reader = null;
reader = new RBufferedReader(new InputStreamReader(ffmpeg
.getErrorStream()));
return parseMultimediaInfo(source, reader);
} finally {
ffmpeg.destroy();
}
}
private MultimediaInfo parseMultimediaInfo(File source,
RBufferedReader reader) throws InputFormatException,
EncoderException {
Pattern p1 = Pattern.compile("^\\s*Input #0, (\\w+).+$\\s*",
Pattern.CASE_INSENSITIVE);
Pattern p2 = Pattern.compile(
"^\\s*Duration: (\\d\\d):(\\d\\d):(\\d\\d)\\.(\\d).*$",
Pattern.CASE_INSENSITIVE);
Pattern p3 = Pattern.compile(
"^\\s*Stream #\\S+: ((?:Audio)|(?:Video)|(?:Data)): (.*)\\s*$",
Pattern.CASE_INSENSITIVE);
MultimediaInfo info = null;
try {
int step = 0;
while (true) {
String line = reader.readLine();
if (line == null) {
break;
}
if (step == 0) {
String token = source.getAbsolutePath() + ": ";
if (line.startsWith(token)) {
String message = line.substring(token.length());
throw new InputFormatException(message);
}
Matcher m = p1.matcher(line);
if (m.matches()) {
String format = m.group(1);
info = new MultimediaInfo();
info.setFormat(format);
step++;
}
} else if (step == 1) {
Matcher m = p2.matcher(line);
if (m.matches()) {
long hours = Integer.parseInt(m.group(1));
long minutes = Integer.parseInt(m.group(2));
long seconds = Integer.parseInt(m.group(3));
long dec = Integer.parseInt(m.group(4));
long duration = (dec * 100L) + (seconds * 1000L)
+ (minutes * 60L * 1000L)
+ (hours * 60L * 60L * 1000L);
info.setDuration(duration);
step++;
} else {
step = 3;
}
} else if (step == 2) {
Matcher m = p3.matcher(line);
if (m.matches()) {
String type = m.group(1);
String specs = m.group(2);
if ("Video".equalsIgnoreCase(type)) {
VideoInfo video = new VideoInfo();
StringTokenizer st = new StringTokenizer(specs, ",");
for (int i = 0; st.hasMoreTokens(); i++) {
String token = st.nextToken().trim();
if (i == 0) {
video.setDecoder(token);
} else {
boolean parsed = false;
// Video size.
Matcher m2 = SIZE_PATTERN.matcher(token);
if (!parsed && m2.find()) {
int width = Integer.parseInt(m2
.group(1));
int height = Integer.parseInt(m2
.group(2));
video.setSize(new VideoSize(width,
height));
parsed = true;
}
// Frame rate.
m2 = FRAME_RATE_PATTERN.matcher(token);
if (!parsed && m2.find()) {
try {
float frameRate = Float
.parseFloat(m2.group(1));
video.setFrameRate(frameRate);
} catch (NumberFormatException e) {
;
}
parsed = true;
}
// Bit rate.
m2 = BIT_RATE_PATTERN.matcher(token);
if (!parsed && m2.find()) {
int bitRate = Integer.parseInt(m2
.group(1));
video.setBitRate(bitRate);
parsed = true;
}
}
}
info.setVideo(video);
} else if ("Audio".equalsIgnoreCase(type)) {
AudioInfo audio = new AudioInfo();
StringTokenizer st = new StringTokenizer(specs, ",");
for (int i = 0; st.hasMoreTokens(); i++) {
String token = st.nextToken().trim();
if (i == 0) {
audio.setDecoder(token);
} else {
boolean parsed = false;
// Sampling rate.
Matcher m2 = SAMPLING_RATE_PATTERN
.matcher(token);
if (!parsed && m2.find()) {
int samplingRate = Integer.parseInt(m2
.group(1));
audio.setSamplingRate(samplingRate);
parsed = true;
}
// Channels.
m2 = CHANNELS_PATTERN.matcher(token);
if (!parsed && m2.find()) {
String ms = m2.group(1);
if ("mono".equalsIgnoreCase(ms)) {
audio.setChannels(1);
} else if ("stereo"
.equalsIgnoreCase(ms)) {
audio.setChannels(2);
}
parsed = true;
}
// Bit rate.
m2 = BIT_RATE_PATTERN.matcher(token);
if (!parsed && m2.find()) {
int bitRate = Integer.parseInt(m2
.group(1));
audio.setBitRate(bitRate);
parsed = true;
}
}
}
info.setAudio(audio);
}
} else {
step = 3;
}
}
if (step == 3) {
reader.reinsertLine(line);
break;
}
}
} catch (IOException e) {
throw new EncoderException(e);
}
if (info == null) {
throw new InputFormatException();
}
return info;
}
private Hashtable parseProgressInfoLine(String line) {
Hashtable table = null;
Matcher m = PROGRESS_INFO_PATTERN.matcher(line);
while (m.find()) {
if (table == null) {
table = new Hashtable();
}
String key = m.group(1);
String value = m.group(2);
table.put(key, value);
}
return table;
}
public void encode(File source, File target, EncodingAttributes attributes)
throws IllegalArgumentException, InputFormatException,
EncoderException {
encode(source, target, attributes, null);
}
public void encode(File source, File target, EncodingAttributes attributes,
EncoderProgressListener listener) throws IllegalArgumentException,
InputFormatException, EncoderException {
String formatAttribute = attributes.getFormat();
Float offsetAttribute = attributes.getOffset();
Float durationAttribute = attributes.getDuration();
AudioAttributes audioAttributes = attributes.getAudioAttributes();
VideoAttributes videoAttributes = attributes.getVideoAttributes();
if (audioAttributes == null && videoAttributes == null) {
throw new IllegalArgumentException(
"Both audio and video attributes are null");
}
target = target.getAbsoluteFile();
target.getParentFile().mkdirs();
FFMPEGExecutor ffmpeg = locator.createExecutor();
if (offsetAttribute != null) {
ffmpeg.addArgument("-ss");
ffmpeg.addArgument(String.valueOf(offsetAttribute.floatValue()));
}
ffmpeg.addArgument("-i");
ffmpeg.addArgument(source.getAbsolutePath());
if (durationAttribute != null) {
ffmpeg.addArgument("-t");
ffmpeg.addArgument(String.valueOf(durationAttribute.floatValue()));
}
if (videoAttributes == null) {
ffmpeg.addArgument("-vn");
} else {
String codec = videoAttributes.getCodec();
if (codec != null) {
ffmpeg.addArgument("-vcodec");
ffmpeg.addArgument(codec);
}
String tag = videoAttributes.getTag();
if (tag != null) {
ffmpeg.addArgument("-vtag");
ffmpeg.addArgument(tag);
}
Integer bitRate = videoAttributes.getBitRate();
if (bitRate != null) {
ffmpeg.addArgument("-b");
ffmpeg.addArgument(String.valueOf(bitRate.intValue()));
}
Integer frameRate = videoAttributes.getFrameRate();
if (frameRate != null) {
ffmpeg.addArgument("-r");
ffmpeg.addArgument(String.valueOf(frameRate.intValue()));
}
VideoSize size = videoAttributes.getSize();
if (size != null) {
ffmpeg.addArgument("-s");
ffmpeg.addArgument(String.valueOf(size.getWidth()) + "x"
+ String.valueOf(size.getHeight()));
}
}
if (audioAttributes == null) {
ffmpeg.addArgument("-an");
} else {
String codec = audioAttributes.getCodec();
if (codec != null) {
ffmpeg.addArgument("-acodec");
ffmpeg.addArgument(codec);
}
Integer bitRate = audioAttributes.getBitRate();
if (bitRate != null) {
ffmpeg.addArgument("-ab");
ffmpeg.addArgument(String.valueOf(bitRate.intValue()));
}
Integer channels = audioAttributes.getChannels();
if (channels != null) {
ffmpeg.addArgument("-ac");
ffmpeg.addArgument(String.valueOf(channels.intValue()));
}
Integer samplingRate = audioAttributes.getSamplingRate();
if (samplingRate != null) {
ffmpeg.addArgument("-ar");
ffmpeg.addArgument(String.valueOf(samplingRate.intValue()));
}
Integer volume = audioAttributes.getVolume();
if (volume != null) {
ffmpeg.addArgument("-vol");
ffmpeg.addArgument(String.valueOf(volume.intValue()));
}
}
ffmpeg.addArgument("-f");
ffmpeg.addArgument(formatAttribute);
ffmpeg.addArgument("-y");
ffmpeg.addArgument(target.getAbsolutePath());
try {
ffmpeg.execute();
} catch (IOException e) {
throw new EncoderException(e);
}
try {
String lastWarning = null;
long duration;
long progress = 0;
RBufferedReader reader = null;
reader = new RBufferedReader(new InputStreamReader(ffmpeg
.getErrorStream()));
MultimediaInfo info = parseMultimediaInfo(source, reader);
if (durationAttribute != null) {
duration = (long) Math
.round((durationAttribute.floatValue() * 1000L));
} else {
duration = info.getDuration();
if (offsetAttribute != null) {
duration -= (long) Math
.round((offsetAttribute.floatValue() * 1000L));
}
}
if (listener != null) {
listener.sourceInfo(info);
}
int step = 0;
String line;
while ((line = reader.readLine()) != null) {
if (step == 0) {
if (line.startsWith("WARNING: ")) {
if (listener != null) {
listener.message(line);
}
} else if (!line.startsWith("Output #0")) {
throw new EncoderException(line);
} else {
step++;
}
} else if (step == 1) {
if (!line.startsWith(" ")) {
step++;
}
}
if (step == 2) {
if (!line.startsWith("Stream mapping:")) {
throw new EncoderException(line);
} else {
step++;
}
} else if (step == 3) {
if (!line.startsWith(" ")) {
step++;
}
}
if (step == 4) {
line = line.trim();
if (line.length() > 0) {
Hashtable table = parseProgressInfoLine(line);
if (table == null) {
if (listener != null) {
listener.message(line);
}
lastWarning = line;
} else {
if (listener != null) {
String time = (String) table.get("time");
if (time != null) {
int dot = time.indexOf('.');
if (dot > 0 && dot == time.length() - 2
&& duration > 0) {
String p1 = time.substring(0, dot);
String p2 = time.substring(dot + 1);
try {
long i1 = Long.parseLong(p1);
long i2 = Long.parseLong(p2);
progress = (i1 * 1000L)
+ (i2 * 100L);
int perm = (int) Math
.round((double) (progress * 1000L)
/ (double) duration);
if (perm > 1000) {
perm = 1000;kMDItemAudioEncodingApplication = "Lavf57.26.100"
}
listener.progress(perm);
} catch (NumberFormatException e) {
;
}
}
}
}
lastWarning = null;
}
}
}
}
if (lastWarning != null) {
if (!SUCCESS_PATTERN.matcher(lastWarning).matches()) {
throw new EncoderException(lastWarning);
}
}
} catch (IOException e) {
throw new EncoderException(e);
} finally {
ffmpeg.destroy();
}
}
}
Syndiquer tout le site
