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La conservation du net art au musée. Les stratégies à l’œuvre
26 mai 2011
Mis à jour : Juillet 2013
Langue : français
Type : Texte
Autres articles (95)
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Mise à jour de la version 0.1 vers 0.2
24 juin 2013, parExplications des différents changements notables lors du passage de la version 0.1 de MediaSPIP à la version 0.3. Quelles sont les nouveautés
Au niveau des dépendances logicielles Utilisation des dernières versions de FFMpeg (>= v1.2.1) ; Installation des dépendances pour Smush ; Installation de MediaInfo et FFprobe pour la récupération des métadonnées ; On n’utilise plus ffmpeg2theora ; On n’installe plus flvtool2 au profit de flvtool++ ; On n’installe plus ffmpeg-php qui n’est plus maintenu au (...) -
Personnaliser en ajoutant son logo, sa bannière ou son image de fond
5 septembre 2013, parCertains thèmes prennent en compte trois éléments de personnalisation : l’ajout d’un logo ; l’ajout d’une bannière l’ajout d’une image de fond ;
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Ecrire une actualité
21 juin 2013, parPrésentez les changements dans votre MédiaSPIP ou les actualités de vos projets sur votre MédiaSPIP grâce à la rubrique actualités.
Dans le thème par défaut spipeo de MédiaSPIP, les actualités sont affichées en bas de la page principale sous les éditoriaux.
Vous pouvez personnaliser le formulaire de création d’une actualité.
Formulaire de création d’une actualité Dans le cas d’un document de type actualité, les champs proposés par défaut sont : Date de publication ( personnaliser la date de publication ) (...)
Sur d’autres sites (12640)
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Revision 33982 : oups, layout.html devient structure.html
27 décembre 2009, par cedric@… — Logoups, layout.html devient structure.html
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FFMPEG rtmp live stream with android fps is too low
27 novembre 2015, par 蔡明原I’m interesting live stream from android to youtube.
I have compile ffmpeg and write jni to live stream with android.
but the fps is too low, it always has 3 5 fps, the user view is not good.
how can i do to change the fps.
this is my jni code with ffmpeg init.AVCodecContext *video_codec_ctx = video_stream->codec;
video_codec_ctx->codec_id = video_codec->id;
video_codec_ctx->codec_type = AVMEDIA_TYPE_VIDEO;
video_codec_ctx->level = 31;
video_codec_ctx->width = width;
video_codec_ctx->height = height;
video_codec_ctx->pix_fmt = PIX_FMT_YUV420P;
video_codec_ctx->rc_max_rate = 0;
video_codec_ctx->rc_buffer_size = 0;
video_codec_ctx->gop_size = 30;
video_codec_ctx->max_b_frames = 0;
video_codec_ctx->slices = 8;
video_codec_ctx->b_frame_strategy = 1;
video_codec_ctx->coder_type = 0;
video_codec_ctx->me_cmp = 1;
video_codec_ctx->me_range = 16;
video_codec_ctx->qmin = 10;
video_codec_ctx->qmax = 51;
video_codec_ctx->keyint_min = 25;
video_codec_ctx->refs= 3;
video_codec_ctx->trellis = 0;
video_codec_ctx->scenechange_threshold = 40;
video_codec_ctx->flags |= CODEC_FLAG_LOOP_FILTER;
video_codec_ctx->me_method = ME_HEX;
video_codec_ctx->me_subpel_quality = 6;
video_codec_ctx->i_quant_factor = 0.71;
video_codec_ctx->qcompress = 0.6;
video_codec_ctx->max_qdiff = 4;
video_codec_ctx->time_base.den = 30;
video_codec_ctx->time_base.num = 1;
video_codec_ctx->bit_rate = 5200*1000;
video_codec_ctx->bit_rate_tolerance = 0;
video_codec_ctx->flags2 |= 0x00000100;
fmt_context->bit_rate = 6000*1000;
av_opt_set(video_codec_ctx, "partitions", "i8x8,i4x4,p8x8,b8x8", 0);
av_opt_set_int(video_codec_ctx, "direct-pred", 1, 0);
av_opt_set_int(video_codec_ctx, "rc-lookahead", 0, 0);
av_opt_set_int(video_codec_ctx, "fast-pskip", 1, 0);
av_opt_set_int(video_codec_ctx, "mixed-refs", 1, 0);
av_opt_set_int(video_codec_ctx, "8x8dct", 0, 0);
av_opt_set_int(video_codec_ctx, "weightb", 0, 0);
if(fmt_context->oformat->flags & AVFMT_GLOBALHEADER)
video_codec_ctx->flags |= CODEC_FLAG_GLOBAL_HEADER;
LOGI("Opening video codec");
AVDictionary *vopts = NULL;
av_dict_set(&vopts, "profile", "main", 0);
//av_dict_set(&vopts, "vprofile", "main", 0);
av_dict_set(&vopts, "rc-lookahead", 0, 0);
av_dict_set(&vopts, "tune", "film", 0);
av_dict_set(&vopts, "preset", "ultrafast", 0);
av_opt_set(video_codec_ctx->priv_data,"tune","film",0);
av_opt_set(video_codec_ctx->priv_data,"preset","ultrafast",0);
av_opt_set(video_codec_ctx->priv_data,"tune","film",0);
int open_res = avcodec_open2(video_codec_ctx, video_codec, &vopts); -
avformat/md5enc : add format, version and column headers
20 octobre 2013, par Michael Niedermayeravformat/md5enc : add format, version and column headers
See Ticket2280
Signed-off-by : Michael Niedermayer <michaelni@gmx.at>
- [DH] libavformat/md5enc.c
- [DH] tests/ref/fate/h264-crop-to-container
- [DH] tests/ref/fate/h264-extreme-plane-pred
- [DH] tests/ref/fate/utvideoenc_rgb_left
- [DH] tests/ref/fate/utvideoenc_rgb_median
- [DH] tests/ref/fate/utvideoenc_rgb_none
- [DH] tests/ref/fate/utvideoenc_rgba_left
- [DH] tests/ref/fate/utvideoenc_rgba_median
- [DH] tests/ref/fate/utvideoenc_rgba_none
- [DH] tests/ref/fate/utvideoenc_yuv420_left
- [DH] tests/ref/fate/utvideoenc_yuv420_median
- [DH] tests/ref/fate/utvideoenc_yuv420_none
- [DH] tests/ref/fate/utvideoenc_yuv422_left
- [DH] tests/ref/fate/utvideoenc_yuv422_median
- [DH] tests/ref/fate/utvideoenc_yuv422_none
- [DH] tests/ref/fate/vp8-sign-bias
- [DH] tests/ref/fate/vp8-size-change
- [DH] tests/ref/fate/vp8-test-vector-001
- [DH] tests/ref/fate/vp8-test-vector-002
- [DH] tests/ref/fate/vp8-test-vector-003
- [DH] tests/ref/fate/vp8-test-vector-004
- [DH] tests/ref/fate/vp8-test-vector-005
- [DH] tests/ref/fate/vp8-test-vector-006
- [DH] tests/ref/fate/vp8-test-vector-007
- [DH] tests/ref/fate/vp8-test-vector-008
- [DH] tests/ref/fate/vp8-test-vector-009
- [DH] tests/ref/fate/vp8-test-vector-010
- [DH] tests/ref/fate/vp8-test-vector-011
- [DH] tests/ref/fate/vp8-test-vector-012
- [DH] tests/ref/fate/vp8-test-vector-013
- [DH] tests/ref/fate/vp8-test-vector-014
- [DH] tests/ref/fate/vp8-test-vector-015
- [DH] tests/ref/fate/vp8-test-vector-016
- [DH] tests/ref/fate/vp8-test-vector-017
- [DH] tests/ref/fate/vp9-00-quantizer-00
- [DH] tests/ref/fate/vp9-00-quantizer-01
- [DH] tests/ref/fate/vp9-00-quantizer-02
- [DH] tests/ref/fate/vp9-00-quantizer-03
- [DH] tests/ref/fate/vp9-00-quantizer-04
- [DH] tests/ref/fate/vp9-00-quantizer-05
- [DH] tests/ref/fate/vp9-00-quantizer-06
- [DH] tests/ref/fate/vp9-00-quantizer-07
- [DH] tests/ref/fate/vp9-00-quantizer-08
- [DH] tests/ref/fate/vp9-00-quantizer-09
- [DH] tests/ref/fate/vp9-00-quantizer-10
- [DH] tests/ref/fate/vp9-00-quantizer-11
- [DH] tests/ref/fate/vp9-00-quantizer-12
- [DH] tests/ref/fate/vp9-00-quantizer-13
- [DH] tests/ref/fate/vp9-00-quantizer-14
- [DH] tests/ref/fate/vp9-00-quantizer-15
- [DH] tests/ref/fate/vp9-00-quantizer-16
- [DH] tests/ref/fate/vp9-00-quantizer-17
- [DH] tests/ref/fate/vp9-00-quantizer-18
- [DH] tests/ref/fate/vp9-00-quantizer-19
- [DH] tests/ref/fate/vp9-00-quantizer-20
- [DH] tests/ref/fate/vp9-00-quantizer-21
- [DH] tests/ref/fate/vp9-00-quantizer-22
- [DH] tests/ref/fate/vp9-00-quantizer-23
- [DH] tests/ref/fate/vp9-00-quantizer-24
- [DH] tests/ref/fate/vp9-00-quantizer-25
- [DH] tests/ref/fate/vp9-00-quantizer-26
- [DH] tests/ref/fate/vp9-00-quantizer-27
- [DH] tests/ref/fate/vp9-00-quantizer-28
- [DH] tests/ref/fate/vp9-00-quantizer-29
- [DH] tests/ref/fate/vp9-00-quantizer-30
- [DH] tests/ref/fate/vp9-00-quantizer-31
- [DH] tests/ref/fate/vp9-00-quantizer-32
- [DH] tests/ref/fate/vp9-00-quantizer-33
- [DH] tests/ref/fate/vp9-00-quantizer-34
- [DH] tests/ref/fate/vp9-00-quantizer-35
- [DH] tests/ref/fate/vp9-00-quantizer-36
- [DH] tests/ref/fate/vp9-00-quantizer-37
- [DH] tests/ref/fate/vp9-00-quantizer-38
- [DH] tests/ref/fate/vp9-00-quantizer-39
- [DH] tests/ref/fate/vp9-00-quantizer-40
- [DH] tests/ref/fate/vp9-00-quantizer-41
- [DH] tests/ref/fate/vp9-00-quantizer-42
- [DH] tests/ref/fate/vp9-00-quantizer-43
- [DH] tests/ref/fate/vp9-00-quantizer-44
- [DH] tests/ref/fate/vp9-00-quantizer-45
- [DH] tests/ref/fate/vp9-00-quantizer-46
- [DH] tests/ref/fate/vp9-00-quantizer-47
- [DH] tests/ref/fate/vp9-00-quantizer-48
- [DH] tests/ref/fate/vp9-00-quantizer-49
- [DH] tests/ref/fate/vp9-00-quantizer-50
- [DH] tests/ref/fate/vp9-00-quantizer-51
- [DH] tests/ref/fate/vp9-00-quantizer-52
- [DH] tests/ref/fate/vp9-00-quantizer-53
- [DH] tests/ref/fate/vp9-00-quantizer-54
- [DH] tests/ref/fate/vp9-00-quantizer-55
- [DH] tests/ref/fate/vp9-00-quantizer-56
- [DH] tests/ref/fate/vp9-00-quantizer-57
- [DH] tests/ref/fate/vp9-00-quantizer-58
- [DH] tests/ref/fate/vp9-00-quantizer-59
- [DH] tests/ref/fate/vp9-00-quantizer-60
- [DH] tests/ref/fate/vp9-00-quantizer-61
- [DH] tests/ref/fate/vp9-00-quantizer-62
- [DH] tests/ref/fate/vp9-00-quantizer-63
- [DH] tests/ref/fate/vp9-01-sharpness-1
- [DH] tests/ref/fate/vp9-01-sharpness-2
- [DH] tests/ref/fate/vp9-01-sharpness-3
- [DH] tests/ref/fate/vp9-01-sharpness-4
- [DH] tests/ref/fate/vp9-01-sharpness-5
- [DH] tests/ref/fate/vp9-01-sharpness-6
- [DH] tests/ref/fate/vp9-01-sharpness-7
- [DH] tests/ref/fate/vp9-02-size-08x08
- [DH] tests/ref/fate/vp9-02-size-08x10
- [DH] tests/ref/fate/vp9-02-size-08x16
- [DH] tests/ref/fate/vp9-02-size-08x18
- [DH] tests/ref/fate/vp9-02-size-08x32
- [DH] tests/ref/fate/vp9-02-size-08x34
- [DH] tests/ref/fate/vp9-02-size-08x64
- [DH] tests/ref/fate/vp9-02-size-08x66
- [DH] tests/ref/fate/vp9-02-size-10x08
- [DH] tests/ref/fate/vp9-02-size-10x10
- [DH] tests/ref/fate/vp9-02-size-10x16
- [DH] tests/ref/fate/vp9-02-size-10x18
- [DH] tests/ref/fate/vp9-02-size-10x32
- [DH] tests/ref/fate/vp9-02-size-10x34
- [DH] tests/ref/fate/vp9-02-size-10x64
- [DH] tests/ref/fate/vp9-02-size-10x66
- [DH] tests/ref/fate/vp9-02-size-16x08
- [D