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The pirate bay depuis la Belgique
1er avril 2013, par
Mis à jour : Avril 2013
Langue : français
Type : Image
Autres articles (24)
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Demande de création d’un canal
12 mars 2010, parEn fonction de la configuration de la plateforme, l’utilisateur peu avoir à sa disposition deux méthodes différentes de demande de création de canal. La première est au moment de son inscription, la seconde, après son inscription en remplissant un formulaire de demande.
Les deux manières demandent les mêmes choses fonctionnent à peu près de la même manière, le futur utilisateur doit remplir une série de champ de formulaire permettant tout d’abord aux administrateurs d’avoir des informations quant à (...) -
Ajouter des informations spécifiques aux utilisateurs et autres modifications de comportement liées aux auteurs
12 avril 2011, parLa manière la plus simple d’ajouter des informations aux auteurs est d’installer le plugin Inscription3. Il permet également de modifier certains comportements liés aux utilisateurs (référez-vous à sa documentation pour plus d’informations).
Il est également possible d’ajouter des champs aux auteurs en installant les plugins champs extras 2 et Interface pour champs extras. -
Use, discuss, criticize
13 avril 2011, parTalk to people directly involved in MediaSPIP’s development, or to people around you who could use MediaSPIP to share, enhance or develop their creative projects.
The bigger the community, the more MediaSPIP’s potential will be explored and the faster the software will evolve.
A discussion list is available for all exchanges between users.
Sur d’autres sites (6925)
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FFmpeg uses xface to merge videos without transition effects
30 avril 2024, par soapbarffmpeg -i ./first.mp4 -i ./first.mp4 -filter_complex "xfade=transition=circlecrop:duration=1:offset=4,format=yuv420p" -y output.mp4


FFMPEG version 6.1.1, the video is generated normally without any error prompts, but the generated video does not have any transition effects.


output



ffmpeg version 6.1.1-tessus https://evermeet.cx/ffmpeg/ Copyright (c) 2000-2023 the FFmpeg developers
 built with Apple clang version 11.0.0 (clang-1100.0.33.17)
 configuration : —cc=/usr/bin/clang —prefix=/opt/ffmpeg —extra-version=tessus —enable-avisynth —enable-fontconfig —enable-gpl —enable-libaom —enable-libass —enable-libbluray —enable-libdav1d —enable-libfreetype —enable-libgsm —enable-libmodplug —enable-libmp3lame —enable-libmysofa —enable-libopencore-amrnb —enable-libopencore-amrwb —enable-libopenh264 —enable-libopenjpeg —enable-libopus —enable-librubberband —enable-libshine —enable-libsnappy —enable-libsoxr —enable-libspeex —enable-libtheora —enable-libtwolame —enable-libvidstab —enable-libvmaf —enable-libvo-amrwbenc —enable-libvorbis —enable-libvpx —enable-libwebp —enable-libx264 —enable-libx265 —enable-libxavs —enable-libxml2 —enable-libxvid —enable-libzimg —enable-libzmq —enable-libzvbi —enable-version3 —pkg-config-flags=—static —disable-ffplay
 libavutil 58. 29.100 / 58. 29.100
 libavcodec 60. 31.102 / 60. 31.102
 libavformat 60. 16.100 / 60. 16.100
 libavdevice 60. 3.100 / 60. 3.100
 libavfilter 9. 12.100 / 9. 12.100
 libswscale 7. 5.100 / 7. 5.100
 libswresample 4. 12.100 / 4. 12.100
 libpostproc 57. 3.100 / 57. 3.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from './first.mp4' :
 Metadata :
 major_brand : isom
 minor_version : 512
 compatible_brands : isomiso2avc1mp41
 encoder : Lavf61.1.100
 Duration : 00:00:05.00, start : 0.000000, bitrate : 110 kb/s
 Stream #0:0[0x1](und) : Video : h264 (High) (avc1 / 0x31637661), yuv420p(progressive), 1080x1920 [SAR 4095:4096 DAR 36855:65536], 109 kb/s, SAR 14317:14320 DAR 128853:229120, 0.20 fps, 0.20 tbr, 16384 tbn (default)
 Metadata :
 handler_name : VideoHandler
 vendor_id : [0][0][0][0]
 encoder : Lavc61.3.100 libx264
Input #1, mov,mp4,m4a,3gp,3g2,mj2, from './first.mp4' :
 Metadata :
 major_brand : isom
 minor_version : 512
 compatible_brands : isomiso2avc1mp41
 encoder : Lavf61.1.100
 Duration : 00:00:05.00, start : 0.000000, bitrate : 110 kb/s
 Stream #1:0[0x1](und) : Video : h264 (High) (avc1 / 0x31637661), yuv420p(progressive), 1080x1920 [SAR 4095:4096 DAR 36855:65536], 109 kb/s, SAR 14317:14320 DAR 128853:229120, 0.20 fps, 0.20 tbr, 16384 tbn (default)
 Metadata :
 handler_name : VideoHandler
 vendor_id : [0][0][0][0]
 encoder : Lavc61.3.100 libx264
Stream mapping :
 Stream #0:0 (h264) -> xfade
 Stream #1:0 (h264) -> xfade
 format:default -> Stream #0:0 (libx264)
Press [q] to stop, [?] for help
[libx264 @ 0x7f9f99fc87c0] using SAR=4095/4096
[libx264 @ 0x7f9f99fc87c0] using cpu capabilities : MMX2 SSE2Fast SSSE3 SSE4.2
[libx264 @ 0x7f9f99fc87c0] profile High, level 4.0, 4:2:0, 8-bit
[libx264 @ 0x7f9f99fc87c0] 264 - core 164 r3172 c1c9931 - H.264/MPEG-4 AVC codec - Copyleft 2003-2023 - http://www.videolan.org/x264.html - options : cabac=1 ref=3 deblock=1:0:0 analyse=0x3:0x113 me=hex subme=7 psy=1 psy_rd=1.00:0.00 mixed_ref=1 me_range=16 chroma_me=1 trellis=1 8x8dct=1 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=-2 threads=12 lookahead_threads=2 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=3 b_pyramid=2 b_adapt=1 b_bias=0 direct=1 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=1 scenecut=40 intra_refresh=0 rc_lookahead=40 rc=crf mbtree=1 crf=23.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00
Output #0, mp4, to 'output.mp4' :
 Metadata :
 major_brand : isom
 minor_version : 512
 compatible_brands : isomiso2avc1mp41
 encoder : Lavf60.16.100
 Stream #0:0 : Video : h264 (avc1 / 0x31637661), yuv420p(tv, progressive), 1080x1920 [SAR 14317:14320 DAR 128853:229120], q=2-31, 0.20 fps, 16384 tbn
 Metadata :
 encoder : Lavc60.31.102 libx264
 Side data :
 cpb : bitrate max/min/avg : 0/0/0 buffer size : 0 vbv_delay : N/A
[out#0/mp4 @ 0x7f9f99fc74c0] video:72kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead : 1.190217%
frame= 2 fps=0.0 q=-1.0 Lsize= 73kB time=00:00:05.00 bitrate= 118.9kbits/s speed=45.5x 
[libx264 @ 0x7f9f99fc87c0] frame I:1 Avg QP:12.25 size : 72527
[libx264 @ 0x7f9f99fc87c0] frame P:1 Avg QP:13.77 size : 216
[libx264 @ 0x7f9f99fc87c0] mb I I16..4 : 51.4% 34.9% 13.8%
[libx264 @ 0x7f9f99fc87c0] mb P I16..4 : 0.0% 0.0% 0.0% P16..4 : 0.8% 0.0% 0.0% 0.0% 0.0% skip:99.2%
[libx264 @ 0x7f9f99fc87c0] 8x8 transform intra:34.9% inter:0.0%
[libx264 @ 0x7f9f99fc87c0] coded y,uvDC,uvAC intra : 9.2% 9.6% 6.9% inter : 0.0% 0.6% 0.0%
[libx264 @ 0x7f9f99fc87c0] i16 v,h,dc,p : 79% 20% 2% 0%
[libx264 @ 0x7f9f99fc87c0] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu : 1% 97% 2% 0% 0% 0% 0% 0% 0%
[libx264 @ 0x7f9f99fc87c0] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu : 36% 32% 10% 3% 3% 3% 4% 3% 4%
[libx264 @ 0x7f9f99fc87c0] i8c dc,h,v,p : 80% 15% 4% 0%
[libx264 @ 0x7f9f99fc87c0] Weighted P-Frames : Y:0.0% UV:0.0%
[libx264 @ 0x7f9f99fc87c0] kb/s:58.19



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ffmpeg "End mismatch 1" warning, jpeg2000 to avi
11 avril 2023, par jklebesTrying to convert a directory of jpeg2000 grayscale images to a video with ffmpeg, I get warnings


[0;36m[jpeg2000 @ 0x55d8fa1b68c0] [0m[0;33mEnd mismatch 1


(and lots of


Last message repeated <n> times
</n>

)


The command was


ffmpeg -y -r 10 -start_number 1 -i <path>/surface_30///img_000%01d.jp2 -vcodec msmpeg4 -vf scale=1920:-1 -q:v 8 <path>//surface_30///surface_30.avi
</path></path>

The output is


ffmpeg version 4.2.2 Copyright (c) 2000-2019 the FFmpeg developers
 built with gcc 7.3.0 (crosstool-NG 1.23.0.449-a04d0)
 configuration: --prefix=/home/jklebes001/miniconda3 --cc=/tmp/build/80754af9/ffmpeg_1587154242452/_build_env/bin/x86_64-conda_cos6-linux-gnu-cc --disable-doc --enable-avresample --enable-gmp --enable-hardcoded-tables --enable-libfreetype --enable-libvpx --enable-pthreads --enable-libopus --enable-postproc --enable-pic --enable-pthreads --enable-shared --enable-static --enable-version3 --enable-zlib --enable-libmp3lame --disable-nonfree --enable-gpl --enable-gnutls --disable-openssl --enable-libopenh264 --enable-libx264
 libavutil 56. 31.100 / 56. 31.100
 libavcodec 58. 54.100 / 58. 54.100
 libavformat 58. 29.100 / 58. 29.100
 libavdevice 58. 8.100 / 58. 8.100
 libavfilter 7. 57.100 / 7. 57.100
 libavresample 4. 0. 0 / 4. 0. 0
 libswscale 5. 5.100 / 5. 5.100
 libswresample 3. 5.100 / 3. 5.100
 libpostproc 55. 5.100 / 55. 5.100
[0;36m[jpeg2000 @ 0x55cb44144480] [0m[0;33mEnd mismatch 1

[0m Last message repeated 1 times
 Last message repeated 2 times
 Last message repeated 3 times


...


Last message repeated 73 times

Input #0, image2, from '<path>//surface_30///img_000%01d.jp2':

 Duration: 00:00:00.20, start: 0.000000, bitrate: N/A

 Stream #0:0: Video: jpeg2000, gray, 6737x4869, 25 tbr, 25 tbn, 25 tbc

Stream mapping:

 Stream #0:0 -> #0:0 (jpeg2000 (native) -> msmpeg4v3 (msmpeg4))

Press [q] to stop, [?] for help

[0;36m[jpeg2000 @ 0x55cb4418e200] [0m[0;33mEnd mismatch 1

[0m[0;36m[jpeg2000 @ 0x55cb441900c0] [0m[0;33mEnd mismatch 1
</path>

...


(about 600 lines of "end mismatch" and "last message repeated" cut)


...


[0m[0;36m[jpeg2000 @ 0x55cb4418e8c0] [0m[0;33mEnd mismatch 1

[0mOutput #0, avi, to '<path>/surface_30///surface_30.avi':

 Metadata:

 ISFT : Lavf58.29.100

 Stream #0:0: Video: msmpeg4v3 (msmpeg4) (MP43 / 0x3334504D), yuv420p, 1920x1388, q=2-31, 200 kb/s, 10 fps, 10 tbn, 10 tbc

 Metadata:

 encoder : Lavc58.54.100 msmpeg4

 Side data:

 cpb: bitrate max/min/avg: 0/0/200000 buffer size: 0 vbv_delay: -1

frame= 2 fps=0.8 q=8.0 size= 6kB time=00:00:00.20 bitrate= 227.1kbits/s speed=0.0844x 
frame= 5 fps=1.7 q=8.0 size= 6kB time=00:00:00.50 bitrate= 90.8kbits/s speed=0.172x 
frame= 5 fps=1.7 q=8.0 Lsize= 213kB time=00:00:00.50 bitrate=3494.7kbits/s speed=0.172x 
video:208kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 2.732246%
</path>

What is the meaning of characters like [0 ;33m here ?


I thought it might have something to do with bit depth and color format. Setting
-pix_fmt grayhad no effect, and indeed the format of the jp2 images is already detected as 8-bit gray.

The output .avi exists and seems fine.


The line was previously used on jpeg files and works fine on jpeg. With jpeg, the output has the line


Input #0, image2, from '<path>/surface_30///img_000%01d.jpeg':

 Duration: 00:00:00.16, start: 0.000000, bitrate: N/A

 Stream #0:0: Video: mjpeg (Baseline), gray(bt470bg/unknown/unknown), 6737x4869 [SAR 1:1 DAR 6737:4869], 25 tbr, 25 tbn, 25 tbc

Stream mapping:

 Stream #0:0 -> #0:0 (mjpeg (native) -> msmpeg4v3 (msmpeg4))

Press [q] to stop, [?] for help

Output #0, avi, to '<path>/surface_30///surface_30.avi':

 Metadata:

 ISFT : Lavf58.29.100

 Stream #0:0: Video: msmpeg4v3 (msmpeg4) (MP43 / 0x3334504D), yuv420p, 6737x4869 [SAR 1:1 DAR 6737:4869], q=2-31, 200 kb/s, 10 fps, 10 tbn, 10 tbc

 Metadata:

 encoder : Lavc58.54.100 msmpeg4

 Side data:

 cpb: bitrate max/min/avg: 0/0/200000 buffer size: 0 vbv_delay: -1

frame= 2 fps=0.0 q=8.0 size= 6662kB time=00:00:00.20 bitrate=272859.9kbits/s speed=0.334x 
frame= 3 fps=2.2 q=10.0 size= 10502kB time=00:00:00.30 bitrate=286764.2kbits/s speed=0.22x 
frame= 4 fps=1.9 q=12.3 size= 13574kB time=00:00:00.40 bitrate=277987.7kbits/s speed=0.19x 
frame= 4 fps=1.4 q=12.3 size= 13574kB time=00:00:00.40 bitrate=277987.7kbits/s speed=0.145x 
frame= 4 fps=1.4 q=12.3 Lsize= 13657kB time=00:00:00.40 bitrate=279702.3kbits/s speed=0.145x 
video:13652kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.041926%
</path></path>

detecting mjpeg format and similar, but more detailed format
gray(bt470bg/unknown/unknown), 6737x4869 [SAR 1:1 DAR 6737:4869].

What is the difference when switching input to jp2 ?


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bitmap to yuv , video recorded has only green pixels
19 janvier 2016, par UserAxI am trying to convert a bitmap to yuv, and recording this yuv in the ffmpeg frame recorder...
I am getting the video output with only green pixels, though when i check the properties of this video it shows the set Frame rate and the resolution...The yuv encoding part is correct, but i feel i am making mistake somewhere else, mostly in returning the yuv bytes to recording part ( getByte(byte [] yuv ) because only there the yuv.length displayed in console is 0,, rest all methods return a big value in console ...
Kindly help...
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
directory.mkdirs();
addListenerOnButton();
play=(Button)findViewById(R.id.buttonplay);
stop=(Button)findViewById(R.id.buttonstop);
record=(Button)findViewById(R.id.buttonstart);
stop.setEnabled(false);
play.setEnabled(false);
record.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
startRecording();
getByte(new byte[]{});
}
});
stop.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
stopRecording();
}
});
play.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) throws IllegalArgumentException, SecurityException, IllegalStateException {
Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse(String.valueOf(asmileys)));
intent.setDataAndType(Uri.parse(String.valueOf(asmileys)), "video/mp4");
startActivity(intent);
Toast.makeText(getApplicationContext(), "Playing Video", Toast.LENGTH_LONG).show();
}
});
}
......//......
public void getByte(byte[] yuv) {
getNV21(640, 480, bitmap);
System.out.println(yuv.length + " ");
if (audioRecord == null || audioRecord.getRecordingState() != AudioRecord.RECORDSTATE_RECORDING) {
startTime = System.currentTimeMillis();
return;
}
if (RECORD_LENGTH > 0) {
int i = imagesIndex++ % images.length;
yuvimage = images[i];
timestamps[i] = 1000 * (System.currentTimeMillis() - startTime);
}
/* get video data */
if (yuvimage != null && recording) {
((ByteBuffer) yuvimage.image[0].position(0)).put(yuv);
if (RECORD_LENGTH <= 0) {
try {
long t = 1000 * (System.currentTimeMillis() - startTime);
if (t > recorder.getTimestamp()) {
recorder.setTimestamp(t);
}
recorder.record(yuvimage);
} catch (FFmpegFrameRecorder.Exception e) {
e.printStackTrace();
}
}
}
}
public byte [] getNV21(int inputWidth, int inputHeight, Bitmap bitmap) {
int[] argb = new int[inputWidth * inputHeight];
bitmap.getPixels(argb, 0, inputWidth, 0, 0, inputWidth, inputHeight);
byte[] yuv = new byte[inputWidth * inputHeight * 3 / 2];
encodeYUV420SP(yuv, argb, inputWidth, inputHeight);
bitmap.recycle();
System.out.println(yuv.length + " ");
return yuv;
}
void encodeYUV420SP(byte[] yuv420sp, int[] argb, int width, int height) {
final int frameSize = width * height;
int yIndex = 0;
int uIndex = frameSize;
int vIndex = frameSize;
System.out.println(yuv420sp.length + " " + frameSize);
int a, R, G, B, Y, U, V;
int index = 0;
for (int j = 0; j < height; j++) {
for (int i = 0; i < width; i++) {
a = (argb[index] & 0xff000000) >> 24; // a is not used obviously
R = (argb[index] & 0xff0000) >> 16;
G = (argb[index] & 0xff00) >> 8;
B = (argb[index] & 0xff) >> 0;
// well known RGB to YUV algorithm
Y = ((66 * R + 129 * G + 25 * B + 128) >> 8) + 16;
U = ((-38 * R - 74 * G + 112 * B + 128) >> 8) + 128;
V = ((112 * R - 94 * G - 18 * B + 128) >> 8) + 128;
// NV21 has a plane of Y and interleaved planes of VU each sampled by a factor of 2
// meaning for every 4 Y pixels there are 1 V and 1 U. Note the sampling is every other
// pixel AND every other scanline.
yuv420sp[yIndex++] = (byte) ((Y < 0) ? 0 : ((Y > 255) ? 255 : Y));
if (j % 2 == 0 && index % 2 == 0) {
yuv420sp[uIndex++] = (byte) ((U < 0) ? 0 : ((U > 255) ? 255 : U));
yuv420sp[vIndex++] = (byte) ((V < 0) ? 0 : ((V > 255) ? 255 : V));
}
index++;
}
}
}
.....//.....
public void addListenerOnButton() {
image = (ImageView) findViewById(R.id.imageView);
image.setDrawingCacheEnabled(true);
image.buildDrawingCache();
bitmap = image.getDrawingCache();
System.out.println(bitmap.getByteCount() + " " );
button = (Button) findViewById(R.id.btn1);
button.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View view){
image.setImageResource(R.drawable.image1);
}
});
......//......EDIT 1 :
I made few changes in the above code :
record.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
startRecording();
getByte();
}
});
.....//....
public void getbyte() {
byte[] yuv = getNV21(640, 480, bitmap);So now in the console ; i get same yuv length in this method as the yuv length from getNV21 method..
But now i am getting half screen Black and Half screen green(black above and green below) pixels in the recorded video...
If i add these lines to onCreate method ;
image = (ImageView) findViewById(R.id.imageView);
image.setDrawingCacheEnabled(true);
image.buildDrawingCache();
bitmap = image.getDrawingCache();I do get distorted frames( frames are 1/4th of the image displayed with mix up of colors here and there) in the video....
All i am trying to learn is the image processing and flow of Bytes[] from one method to another ; but i am still a noob.. ;
Kindly help..!
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