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FFMpeg drawtext not working in my code

10 juillet 2018, par Dev

I am trying to overlay a text on existing movie using FFMpeg. Overlaying of an image works perfectly, but failed to drawtext. My code is as below.

GeneralUtils.checkForPermissionsMAndAbove(RecordVideo.this, true);

LoadJNI vk = new LoadJNI();

String[] complexCommand = {

    "ffmpeg", "-i", FilePath, "-vf",

    "drawtext=text='Hello Dev..':"

        + "fontsize=24:fontfile=/system/fonts/DroidSans.ttf:box=1:boxcolor=black@0.5:x=w-tw:y=h-th",

    FilePath1};

vk.run(complexCommand , StorageDIR , getApplicationContext());

I am getting error as follows

ffmpeg version git-2016-10-26-efa89a8 Copyright (c) 2000-2016 the FFmpeg 



developers

  built with gcc 4.9 (GCC) 20140827 (prerelease)

ffmpeg4android 3.22_00_full_LM322 

  libavutil      55. 35.100 / 55. 35.100

  libavcodec     57. 65.100 / 57. 65.100

  libavformat    57. 57.100 / 57. 57.100

  libavdevice    57.  2.100 / 57.  2.100

  libavfilter     6. 66.100 /  6. 66.100

  libswscale      4.  3.100 /  4.  3.100

  libswresample   2.  4.100 /  2.  4.100

  libpostproc    54.  2.100 / 54.  2.100

Splitting the commandline.

Reading option '-i' ... matched as input file with argument '/storage/emulated/0/Pictures/ReporterLive/VID_10072018141402.avi'.

Reading option '-vf' ... matched as option 'vf' (set video filters) with argument 'drawtext=text='Hello Dev..':fontsize=24:fontfile=/system/fonts/DroidSans.ttf:box=1:boxcolor=black@0.5:x=w-tw:y=h-th'.

Reading option '/storage/emulated/0/Pictures/ReporterLive/VID_10072018141402_1.avi' ... matched as output file.

Finished splitting the commandline.

Parsing a group of options: global .

Successfully parsed a group of options.

Parsing a group of options: input file /storage/emulated/0/Pictures/ReporterLive/VID_10072018141402.avi.

Successfully parsed a group of options.

Opening an input file: /storage/emulated/0/Pictures/ReporterLive/VID_10072018141402.avi.

Setting default whitelist 'file,crypto'

Probing mov,mp4,m4a,3gp,3g2,mj2 score:100 size:2048

Probing mp3 score:1 size:2048

Format mov,mp4,m4a,3gp,3g2,mj2 probed with size=2048 and score=100

type: 70797466 'ftyp' parent:'root' sz: 24 8 3096055

ISO: File Type Major Brand: mp42

type: 7461646d 'mdat' parent:'root' sz: 3093790 32 3096055

type: 766f6f6d 'moov' parent:'root' sz: 2241 3093822 3096055

type: 6468766d 'mvhd' parent:'moov' sz: 108 8 2233

time scale = 1000

type: 61746475 'udta' parent:'moov' sz: 52 116 2233

type: 4e4c4453 'SDLN' parent:'udta' sz: 16 8 44

type: 64726d73 'smrd' parent:'udta' sz: 16 24 44

type: 61746d73 'smta' parent:'udta' sz: 12 40 44

type: 6174656d 'meta' parent:'moov' sz: 119 168 2233

type: 726c6468 'hdlr' parent:'meta' sz: 33 8 111

ctype=  (0x00000000)

stype= mdta

type: 7379656b 'keys' parent:'meta' sz: 43 41 111

type: 74736c69 'ilst' parent:'meta' sz: 35 84 111

type: 01000000 '' parent:'ilst' sz: 27 8 27

lang "   " tag "com.android.version" value "7.0" atom "" 7 3

type: 6b617274 'trak' parent:'moov' sz: 1023 287 2233

type: 64686b74 'tkhd' parent:'trak' sz: 92 8 1015

type: 6169646d 'mdia' parent:'trak' sz: 923 100 1015

type: 6468646d 'mdhd' parent:'mdia' sz: 32 8 915

type: 726c6468 'hdlr' parent:'mdia' sz: 44 40 915

ctype=  (0x00000000)

stype= vide

type: 666e696d 'minf' parent:'mdia' sz: 839 84 915

type: 64686d76 'vmhd' parent:'minf' sz: 20 8 831

type: 666e6964 'dinf' parent:'minf' sz: 36 28 831

type: 66657264 'dref' parent:'dinf' sz: 28 8 28

type url  size 12

Unknown dref type 0x08206c7275 size 12

type: 6c627473 'stbl' parent:'minf' sz: 775 64 831

type: 64737473 'stsd' parent:'stbl' sz: 171 8 767

size=155 4CC= avc1/0x31637661 codec_type=0

type: 43637661 'avcC' parent:'stsd' sz: 34 8 69

type: 70736170 'pasp' parent:'stsd' sz: 16 42 69

type: 726c6f63 'colr' parent:'stsd' sz: 19 58 69

nclx: pri 1 trc 1 matrix 1 full 0

type: 73747473 'stts' parent:'stbl' sz: 304 179 767

track[0].stts.entries = 36

sample_count=1, sample_duration=5942

.

sample_count=2, sample_duration=5401

type: 73737473 'stss' parent:'stbl' sz: 24 483 767

keyframe_count = 2

type: 7a737473 'stsz' parent:'stbl' sz: 188 507 767

sample_size = 0 sample_count = 42

type: 63737473 'stsc' parent:'stbl' sz: 52 695 767

track[0].stsc.entries = 3

type: 6f637473 'stco' parent:'stbl' sz: 28 747 767

AVIndex stream 0, sample 0, offset 831f, dts 0, size 212746, distance 0, keyframe 1

.

AVIndex stream 0, sample 41, offset 2e28a5, dts 221935, size 68753, distance 11, keyframe 0

type: 6b617274 'trak' parent:'moov' sz: 931 1310 2233

type: 64686b74 'tkhd' parent:'trak' sz: 92 8 923

type: 6169646d 'mdia' parent:'trak' sz: 831 100 923

type: 6468646d 'mdhd' parent:'mdia' sz: 32 8 823

type: 726c6468 'hdlr' parent:'mdia' sz: 44 40 823

ctype=  (0x00000000)

stype= soun

type: 666e696d 'minf' parent:'mdia' sz: 747 84 823

type: 64686d73 'smhd' parent:'minf' sz: 16 8 739

type: 666e6964 'dinf' parent:'minf' sz: 36 24 739

type: 66657264 'dref' parent:'dinf' sz: 28 8 28

type url  size 12

Unknown dref type 0x08206c7275 size 12

type: 6c627473 'stbl' parent:'minf' sz: 687 60 739

type: 64737473 'stsd' parent:'stbl' sz: 91 8 679

size=75 4CC= mp4a/0x6134706d codec_type=1

audio channels 2

version =0, isom =1

type: 73647365 'esds' parent:'stsd' sz: 39 8 39

MPEG-4 description: tag=0x03 len=25

MPEG-4 description: tag=0x04 len=17

esds object type id 0x40

MPEG-4 description: tag=0x05 len=2

Specific MPEG-4 header len=2

mp4a config channels 2 obj 2 ext obj 0 sample rate 48000 ext sample rate 0

type: 73747473 'stts' parent:'stbl' sz: 32 99 679

track[1].stts.entries = 2

sample_count=1, sample_duration=1024

sample_count=113, sample_duration=1024

type: 7a737473 'stsz' parent:'stbl' sz: 476 131 679

sample_size = 0 sample_count = 114

type: 63737473 'stsc' parent:'stbl' sz: 52 607 679

track[1].stsc.entries = 3

type: 6f637473 'stco' parent:'stbl' sz: 28 659 679

AVIndex stream 1, sample 0, offset 20, dts 0, size 682, distance 0, keyframe 1

AVIndex stream 1, sample 1, offset 2ca, dts 1024, size 683, distance 0, keyframe 1

.

AVIndex stream 1, sample 99, offset 28939d, dts 101376, size 682, distance 0, keyframe 1

.

AVIndex stream 1, sample 113, offset 28b8f2, dts 115712, size 683, distance 0, keyframe 1

on_parse_exit_offset=3096055

rfps: 16.500000 0.014060

rfps: 16.583333 0.003530

rfps: 16.666667 0.000000

rfps: 16.666667 0.000000

rfps: 16.750000 0.003470

rfps: 16.750000 0.003470

rfps: 16.833333 0.013939

rfps: 50.000000 0.000001

rfps: 50.000000 0.000001

Before avformat_find_stream_info() pos: 3096055 bytes read:35009 seeks:1 nb_streams:2

nal_unit_type: 7, nal_ref_idc: 3

nal_unit_type: 8, nal_ref_idc: 3

stream 0, sample 0, dts 0

.

stream 1, sample 47, dts 1002667

nal_unit_type: 5, nal_ref_idc: 3

Reinit context to 1920x1088, pix_fmt: yuv420p

All info found

stream 0: start_time: 0.000 duration: 2.526

stream 1: start_time: 0.000 duration: 2.432

format: start_time: 0.000 duration: 2.520 bitrate=9828 kb/s

After avformat_find_stream_info() pos: 246313 bytes read:281290 seeks:2 frames:48

Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '/storage/emulated/0/Pictures/ReporterLive/VID_10072018141402.avi':

  Metadata:

    major_brand     : mp42

    minor_version   : 0

    compatible_brands: isommp42

    creation_time   : 2018-07-10T08:44:06.000000Z

    com.android.version: 7.0

  Duration: 00:00:02.52, start: 0.000000, bitrate: 9828 kb/s

    Stream #0:0(eng), 1, 1/90000: Video: h264 (High) (avc1 / 0x31637661), yuv420p(tv, bt709), 1920x1080, 9551 kb/s, SAR 1:1 DAR 16:9, 16.63 fps, 16.67 tbr, 90k tbn, 180k tbc (default)

    Metadata:

      creation_time   : 2018-07-10T08:44:06.000000Z

      handler_name    : VideoHandle

    Stream #0:1(eng), 47, 1/48000: Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 256 kb/s (default)

    Metadata:

      creation_time   : 2018-07-10T08:44:06.000000Z

      handler_name    : SoundHandle



Successfully opened the file.

    Parsing a group of options: output file /storage/emulated/0/Pictures/ReporterLive/VID_10072018141402_1.avi.

    Applying option vf (set video filters) with argument drawtext=text='Hello Dev..':fontsize=24:fontfile=/system/fonts/DroidSans.ttf:box=1:boxcolor=black@0.5:x=w-tw:y=h-th.

    Successfully parsed a group of options.

    Opening an output file: /storage/emulated/0/Pictures/ReporterLive/VID_10072018141402_1.avi.

    Setting default whitelist 'file,crypto'

    Successfully opened the file.

    No such filter: 'drawtext'

    Error opening filters!

    Statistics: 0 seeks, 0 writeouts

    Statistics: 281290 bytes read, 2 seeks

Can anyone tell what I am doing wrong ? I want to do it in the simplest form.

Anomalie #4159 (Nouveau) : empêcher l’upgrade en 3.1 si le code n’est plus compatible avec la vers...

11 juillet 2018, par touti touti

Concernant la version PHP, il reste encore 49% des sites SPIP en PHP5.3 …

Il faudrait peut-être comme sur la 3.2 empêcher l’upgrade en 3.1 si il y a incompatibilité avec la version PHP ?

voir https://blog.spip.net/Statistiques-Mars-2018.html

et notamment https://blog.spip.net/local/cache-vignettes/L672xH398/repartition_php_2018-03-22-19445.png?153004875...
QuTip Example 'bloch-sphere-animation' - video renders blank

15 juillet 2018, par damien murphy.
On MacOSX Using Python3 running the following example code provided without modification : https://github.com/qutip/qutip-notebooks/blob/master/examples/bloch-sphere-animation.ipynb

I get a blank video and no errors.

I have installed libav and ffmpeg so I am not sure what else is missing with any error.

What codec did you install on mac when running these samples ?

Looking at the source of qutip I can see what it is using to render the video : https://github.com/qutip/qutip/blob/master/qutip/ipynbtools.py#L392
```
anim.save(name + '.mp4', fps=10, writer="avconv", codec="libx264")
```
I have avconv on the command line working without errors

This is the debug outout of matploylib.animation

INFO:matplotlib.animation:Animation.save using DEBUG:matplotlib.animation:frame
size in pixels is 576 x 576 INFO:matplotlib.animation:MovieWriter.run :
running command : [’avconv’, ’-f’, ’rawvideo’, ’-vcodec’, ’rawvideo’,
’-s’, ’576x576’, ’-pix_fmt’, ’rgba’, ’-r’, ’10’, ’-i’, ’pipe :’,
’-vcodec’, ’libx264’, ’-y’, ’movie.mp4’]
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter.grab_frame : Grabbing frame.
DEBUG:matplotlib.animation:MovieWriter — Command stdout : b’’
DEBUG:matplotlib.animation:MovieWriter — Command stderr : b"avconv
version 12.3, Copyright (c) 2000-2018 the Libav developers\n built on
Feb 13 2018 11:17:07 with Apple LLVM version 9.0.0
(clang-900.0.39.2)\n[rawvideo @ 0x7f963c000000] Estimating duration
from bitrate, this may be inaccurate\nInput #0, rawvideo, from
’pipe :’ :\n Duration : N/A, start : 0.000000, bitrate : N/A\n Stream

0:0 : Video : rawvideo\n rgba, 576x576\n 10 fps, 10 tbn\nStream mapping :\n Stream #0:0 -> #0:0 (rawvideo (native) -> h264

(libx264))\nPress ctrl-c to stop encoding\n[libx264 @ 0x7f963e001800]
using cpu capabilities : MMX2 SSE2Fast SSSE3 SSE4.2 AVX\n[libx264 @
0x7f963e001800] profile High, level 2.2\n[libx264 @ 0x7f963e001800]
264 - core 152 r2854 e9a5903 - H.264/MPEG-4 AVC codec - Copyleft
2003-2017 - 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=10 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\nOutput #0, mp4, to ’movie.mp4’ :\n Metadata :\n encoder
: Lavf57.7.2\n Stream #0:0 : Video : h264 [[33][0][0][0] / 0x0021]\n
yuv420p, 576x576, q=2-31\n 10 fps, 10 tbn\n Metadata :\n
encoder : Lavc57.25.0 libx264\n Side data :\n cpb :
bitrate max/min/avg : 0/0/0 buffer size : 0 vbv_delay : -1\nframe= 6
fps= 0 q=0.0 size= 0kB time=10000000000.00 bitrate=
0.0kbits/s \rframe= 10 fps= 8 q=0.0 size= 0kB time=10000000000.00 bitrate= 0.0kbits/s \rframe= 13 fps= 7
q=0.0 size= 0kB time=10000000000.00 bitrate= 0.0kbits/s
\rframe= 16 fps= 7 q=0.0 size= 0kB time=10000000000.00
bitrate= 0.0kbits/s \rframe= 19 fps= 6 q=0.0 size= 0kB
time=10000000000.00 bitrate= 0.0kbits/s \rframe= 22 fps= 6
q=0.0 size= 0kB time=10000000000.00 bitrate= 0.0kbits/s
\rframe= 26 fps= 6 q=0.0 size= 0kB time=10000000000.00
bitrate= 0.0kbits/s \rframe= 30 fps= 6 q=0.0 size= 0kB
time=10000000000.00 bitrate= 0.0kbits/s \rframe= 33 fps= 6
q=0.0 size= 0kB time=10000000000.00 bitrate= 0.0kbits/s
\rframe= 36 fps= 6 q=0.0 size= 0kB time=10000000000.00
bitrate= 0.0kbits/s \rframe= 39 fps= 6 q=0.0 size= 0kB
time=10000000000.00 bitrate= 0.0kbits/s \rframe= 42 fps= 6
q=0.0 size= 0kB time=10000000000.00 bitrate= 0.0kbits/s
\rframe= 45 fps= 6 q=0.0 size= 0kB time=10000000000.00
bitrate= 0.0kbits/s \rframe= 48 fps= 6 q=0.0 size= 0kB
time=10000000000.00 bitrate= 0.0kbits/s \rframe= 51 fps= 6
q=0.0 size= 0kB time=10000000000.00 bitrate= 0.0kbits/s
\rframe= 55 fps= 6 q=0.0 size= 0kB time=10000000000.00
bitrate= 0.0kbits/s \rframe= 59 fps= 6 q=25.0 size= 1kB
time=10000000000.00 bitrate= 0.0kbits/s \rframe= 63 fps= 6
q=25.0 size= 1kB time=0.40 bitrate= 19.8kbits/s \rframe=
67 fps= 6 q=25.0 size= 1kB time=0.80 bitrate= 10.9kbits/s
\rframe= 71 fps= 6 q=25.0 size= 1kB time=1.20 bitrate=
7.9kbits/s \rframe= 75 fps= 6 q=25.0 size= 1kB time=1.60 bitrate= 6.4kbits/s \rframe= 79 fps= 6 q=25.0 size= 1kB
time=2.00 bitrate= 5.5kbits/s \rframe= 82 fps= 6 q=25.0 size=
1kB time=2.30 bitrate= 5.0kbits/s \rframe= 86 fps= 6 q=25.0
size= 2kB time=2.70 bitrate= 4.6kbits/s \rframe= 90 fps=
6 q=25.0 size= 2kB time=3.10 bitrate= 4.2kbits/s \rframe=
93 fps= 6 q=25.0 size= 2kB time=3.40 bitrate= 4.0kbits/s
\rframe= 97 fps= 6 q=25.0 size= 2kB time=3.80 bitrate=
3.8kbits/s \rframe= 101 fps= 6 q=25.0 size= 2kB time=4.20 bitrate= 3.6kbits/s \rframe= 105 fps= 6 q=25.0 size= 2kB
time=4.60 bitrate= 3.4kbits/s \rframe= 109 fps= 6 q=25.0 size=
2kB time=5.00 bitrate= 3.3kbits/s \rframe= 112 fps= 6 q=25.0
size= 2kB time=5.30 bitrate= 3.2kbits/s \rframe= 116 fps=
6 q=25.0 size= 2kB time=5.70 bitrate= 3.2kbits/s \rframe=
120 fps= 6 q=25.0 size= 2kB time=6.10 bitrate= 3.1kbits/s
\rframe= 123 fps= 6 q=25.0 size= 2kB time=6.40 bitrate=
3.0kbits/s \rframe= 126 fps= 6 q=25.0 size= 2kB time=6.70 bitrate= 3.0kbits/s \rframe= 129 fps= 6 q=25.0 size= 2kB
time=7.00 bitrate= 2.9kbits/s \rframe= 132 fps= 6 q=25.0 size=
3kB time=7.30 bitrate= 2.9kbits/s \rframe= 135 fps= 6 q=25.0
size= 3kB time=7.60 bitrate= 2.8kbits/s \rframe= 138 fps=
6 q=25.0 size= 3kB time=7.90 bitrate= 2.8kbits/s \rframe=
141 fps= 6 q=25.0 size= 3kB time=8.20 bitrate= 2.8kbits/s
\rframe= 144 fps= 6 q=25.0 size= 3kB time=8.50 bitrate=
2.7kbits/s \rframe= 148 fps= 6 q=25.0 size= 3kB time=8.90 bitrate= 2.7kbits/s \rframe= 150 fps= 6 q=-1.0 Lsize= 7kB
time=14.70 bitrate= 4.1kbits/s \r\nvideo:4kB audio:0kB other
streams:0kB global headers:0kB muxing overhead : 74.948143%\n[libx264 @
0x7f963e001800] frame I:1 Avg QP : 6.00 size : 112\n[libx264 @
0x7f963e001800] frame P:38 Avg QP : 6.21 size : 30\n[libx264 @
0x7f963e001800] frame B:111 Avg QP : 9.67 size : 22\n[libx264 @
0x7f963e001800] consecutive B-frames : 1.3% 0.0% 0.0%
98.7%\n[libx264 @ 0x7f963e001800] mb I I16..4 : 100.0% 0.0% 0.0%\n[libx264 @ 0x7f963e001800] mb P I16..4 : 0.0% 0.0% 0.0% P16..4 : 0.0% 0.0% 0.0% 0.0% 0.0% skip:100.0%\n[libx264 @
0x7f963e001800] mb B I16..4 : 0.0% 0.0% 0.0% B16..8 : 0.0% 0.0%
0.0% direct : 0.0% skip:100.0%\n[libx264 @ 0x7f963e001800] 8x8 transform intra:0.0%\n[libx264 @ 0x7f963e001800] coded y,uvDC,uvAC
intra : 0.0% 0.0% 0.0% inter : 0.0% 0.0% 0.0%\n[libx264 @
0x7f963e001800] i16 v,h,dc,p : 97% 0% 3% 0%\n[libx264 @
0x7f963e001800] i8c dc,h,v,p : 100% 0% 0% 0%\n[libx264 @
0x7f963e001800] Weighted P-Frames : Y:0.0% UV:0.0%\n[libx264 @
0x7f963e001800] kb/s:1.95\n"

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FFMpeg drawtext not working in my code

Anomalie #4159 (Nouveau) : empêcher l’upgrade en 3.1 si le code n’est plus compatible avec la vers...

QuTip Example 'bloch-sphere-animation' - video renders blank

0:0 : Video : rawvideo\n rgba, 576x576\n 10 fps, 10 tbn\nStream mapping :\n Stream #0:0 -> #0:0 (rawvideo (native) -> h264

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