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Mot : - Tags -/iphone

Autres articles (83)

Personnaliser les catégories

21 juin 2013, par etalarma

Formulaire de création d’une catégorie
Pour ceux qui connaissent bien SPIP, une catégorie peut être assimilée à une rubrique.
Dans le cas d’un document de type catégorie, les champs proposés par défaut sont : Texte
On peut modifier ce formulaire dans la partie :
Administration > Configuration des masques de formulaire.
Dans le cas d’un document de type média, les champs non affichés par défaut sont : Descriptif rapide
Par ailleurs, c’est dans cette partie configuration qu’on peut indiquer le (...)
Encoding and processing into web-friendly formats

13 avril 2011, par kent1

MediaSPIP automatically converts uploaded files to internet-compatible formats.
Video files are encoded in MP4, Ogv and WebM (supported by HTML5) and MP4 (supported by Flash).
Audio files are encoded in MP3 and Ogg (supported by HTML5) and MP3 (supported by Flash).
Where possible, text is analyzed in order to retrieve the data needed for search engine detection, and then exported as a series of image files.
All uploaded files are stored online in their original format, so you can (...)
Supporting all media types

13 avril 2011, par kent1

Unlike most software and media-sharing platforms, MediaSPIP aims to manage as many different media types as possible. The following are just a few examples from an ever-expanding list of supported formats : images : png, gif, jpg, bmp and more audio : MP3, Ogg, Wav and more video : AVI, MP4, OGV, mpg, mov, wmv and more text, code and other data : OpenOffice, Microsoft Office (Word, PowerPoint, Excel), web (html, CSS), LaTeX, Google Earth and (...)

1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | ... | 28

Sur d’autres sites (8021)

Codec not found while H.264 encoding using FFMPEG in iOS

12 juin 2013, par Sukhpal Singh

I am trying to encode video in h.264 format using FFMpeg in iOS. Actually I am receiving sample buffer from iPhone Camera and then converting it AVFrame and further from AVFrame to H.264 video. But while h.264 encoding if I use :

codec = avcodec_find_encoder(CODEC_ID_MPEG1VIDEO);

Then codec is found but if I use :

codec = avcodec_find_encoder(CODEC_ID_H264);

Then codec is nil means codec not found. Full code is as below :

static void encode(AVFrame *picture)

 {

     AVCodec *codec;

     AVCodecContext *c= NULL;

     int i, out_size, size,  outbuf_size;

     uint8_t *outbuf, *picture_buf;



     printf("Video encoding\n");



     /* find the mpeg1 video encoder */



     //avcodec_init() ; // Also tried this but giving warning and not worked

     avcodec_register_all();



     codec = avcodec_find_encoder(CODEC_ID_H264);

     if (!codec) {

         fprintf(stderr, "codec not found\n");

         exit(1);

     }



     c= avcodec_alloc_context();

     picture= avcodec_alloc_frame();



     /* put sample parameters */

     c->bit_rate = 400000;

     /* resolution must be a multiple of two */

     c->width  = 352;

     c->height = 288;

     /* frames per second */

     c->time_base= (AVRational){1,25};

     c->gop_size = 10; /* emit one intra frame every ten frames */

     c->max_b_frames=1;

     c->pix_fmt = PIX_FMT_YUV420P;



     /* open it */

     if (avcodec_open(c, codec) &lt; 0) {

         fprintf(stderr, "could not open codec\n");

         exit(1);

     }



         /* alloc image and output buffer */

     outbuf_size = 100000;

     outbuf = malloc(outbuf_size);

     size = c->width * c->height;

     picture_buf = malloc((size * 3) / 2); /* size for YUV 420 */



     out_size = avcodec_encode_video(c, outbuf, outbuf_size, picture);



     NSLog(@"NSdada===%@",[NSData dataWithBytes:(const void *)outbuf length:out_size]);



     free(picture_buf);

     free(outbuf);



     avcodec_close(c);

     av_free(c);

     av_free(picture);

     printf("\n");

 }

how to make live streaming for multiple clients

19 septembre 2014, par Abdulrahman Alcharbaji

I have new project to do and I need some help to know where to start.
I have more than 1000 DVR each with 4 channels, I need to be able to do live streaming for multiple clients, and clients could be android,iPhone or windows.
Now throw searching i tried to check ffserver and ffmpeg but i couldn’t find much references to guide me throw a solution for my problem.
NOTE : the DVRs streaming with h.264 encoding.

So Please can anybody help me by guiding me for a start or some good references about this particular issue.

Many Thnaks

ffmpeg error when using non root user

29 août 2014, par mkern

I have installed ffmpeg and it works perfect if you are root or using sudo but it errors out when trying to use it as a non-root user. I have performed the same install on a test VPS and it installs without issue so it appears to be isolated to this cPanel server. I haven’t been able to identify why.

Non-Root :

> ffmpeg -v debug -i 1.mov 1.avi ffmpeg version N-65949-g0ddb051

> Copyright (c) 2000-2014 the FFmpeg developers   built on Aug 28 2014

> 11:39:47 with gcc 4.4.7 (GCC) 20120313 (Red Hat 4.4.7-4)  

> configuration: --enable-gpl --enable-libmp3lame --enable-libvorbis

> --enable-libvpx --enable-libx264   libavutil      54.  7.100 / 54.  7.100   libavcodec     56.  0.101 / 56.  0.101   libavformat    56.  3.100 / 56.  3.100   libavdevice    56.  0.100 / 56.  0.100   libavfilter     5.  0.103 /  5.  0.103   libswscale      3.  0.100 / 

> 3.  0.100   libswresample   1.  1.100 /  1.  1.100   libpostproc    53.  0.100 / 53.  0.100 Splitting the commandline. Reading option '-v' ... matched as option 'v' (set logging level) with argument 'debug'.

> Reading option '-i' ... matched as input file with argument '1.mov'.

> Reading option '1.avi' ... matched as output file. Finished splitting

> the commandline. Parsing a group of options: global . Applying option

> v (set logging level) with argument debug. Successfully parsed a group

> of options. Parsing a group of options: input file 1.mov. Successfully

> parsed a group of options. Opening an input file: 1.mov.

> [mov,mp4,m4a,3gp,3g2,mj2 @ 0x348fc20] Format mov,mp4,m4a,3gp,3g2,mj2

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

> 0x348fc20] ISO: File Type Major Brand: qt   [mov,mp4,m4a,3gp,3g2,mj2 @

> 0x348fc20] Before avformat_find_stream_info() pos: 698348 bytes

> read:39602 seeks:1 [mov,mp4,m4a,3gp,3g2,mj2 @ 0x348fc20] All info

> found [mov,mp4,m4a,3gp,3g2,mj2 @ 0x348fc20] After

> avformat_find_stream_info() pos: 169190 bytes read:2333362 seeks:67

> frames:148 Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '1.mov':  

> Metadata:

>     major_brand     : qt  

>     minor_version   : 0

>     compatible_brands: qt  

>     creation_time   : 2014-06-05 04:40:27

>     model           : iPhone 5

>     model-eng       : iPhone 5

>     encoder         : 7.1.1

>     encoder-eng     : 7.1.1

>     date            : 2014-06-04T21:40:27-0700

>     date-eng        : 2014-06-04T21:40:27-0700

>     make            : Apple

>     make-eng        : Apple   Duration: 00:00:07.15, start: 0.000023, bitrate: 781 kb/s

>     Stream #0:0(und), 41, 1/600: Video: h264 (Baseline) (avc1 / 0x31637661), yuv420p(tv, smpte170m), 480x360, 1/1200, 710 kb/s, 29.09

> fps, 600 tbr, 600 tbn, 1200 tbc (default)

>     Metadata:

>       rotate          : 90

>       creation_time   : 2014-06-05 04:40:27

>       handler_name    : Core Media Data Handler

>       encoder         : H.264

>     Side data:

>       displaymatrix: rotation of -90.00 degrees

>     Stream #0:1(und), 107, 1/44100: Audio: aac (mp4a / 0x6134706D), 44100 Hz, mono, fltp, 63 kb/s (default)

>     Metadata:

>       creation_time   : 2014-06-05 04:40:27

>       handler_name    : Core Media Data Handler Successfully opened the file. Parsing a group of options: output file 1.avi. Successfully

> parsed a group of options. Opening an output file: 1.avi. Successfully

> opened the file. detected 24 logical cores [graph 0 input from stream

> 0:0 @ 0x34aa3a0] Setting 'video_size' to value '480x360' [graph 0

> input from stream 0:0 @ 0x34aa3a0] Setting 'pix_fmt' to value '0'

> [graph 0 input from stream 0:0 @ 0x34aa3a0] Setting 'time_base' to

> value '1/600' [graph 0 input from stream 0:0 @ 0x34aa3a0] Setting

> 'pixel_aspect' to value '0/1' [graph 0 input from stream 0:0 @

> 0x34aa3a0] Setting 'sws_param' to value 'flags=2' [graph 0 input from

> stream 0:0 @ 0x34aa3a0] Setting 'frame_rate' to value '320/11' [graph

> 0 input from stream 0:0 @ 0x34aa3a0] w:480 h:360 pixfmt:yuv420p

> tb:1/600 fr:320/11 sar:0/1 sws_param:flags=2 [format @ 0x3496b00]

> compat: called with args=[yuv420p] [format @ 0x3496b00] Setting

> 'pix_fmts' to value 'yuv420p' [AVFilterGraph @ 0x348f320]

> query_formats: 4 queried, 3 merged, 0 already done, 0 delayed

> [AVFilterGraph @ 0x34bbe60] Error initializing threading.

> [AVFilterGraph @ 0x34bbe60] Error creating filter 'anull' Error

> opening filters! [AVIOContext @ 0x34967c0] Statistics: 0 seeks, 0

> writeouts [AVIOContext @ 0x348f1e0] Statistics: 2333362 bytes read, 67

> seeks

[AVFilterGraph @ 0x34bbe60] Error initializing threading.
[AVFilterGraph @ 0x34bbe60] Error creating filter ’anull’ Error
opening filters !

As ROOT :

ffmpeg -v verbose -i 1.mov 1.avi

ffmpeg version N-65949-g0ddb051 Copyright (c) 2000-2014 the FFmpeg developers

  built on Aug 28 2014 11:39:47 with gcc 4.4.7 (GCC) 20120313 (Red Hat 4.4.7-4)

  configuration: --enable-gpl --enable-libmp3lame --enable-libvorbis --enable-libvpx --enable-libx264

  libavutil      54.  7.100 / 54.  7.100

  libavcodec     56.  0.101 / 56.  0.101

  libavformat    56.  3.100 / 56.  3.100

  libavdevice    56.  0.100 / 56.  0.100

  libavfilter     5.  0.103 /  5.  0.103

  libswscale      3.  0.100 /  3.  0.100

  libswresample   1.  1.100 /  1.  1.100

  libpostproc    53.  0.100 / 53.  0.100

Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '1.mov':

  Metadata:

    major_brand     : qt  

    minor_version   : 0

    compatible_brands: qt  

    creation_time   : 2014-06-05 04:40:27

    model           : iPhone 5

    model-eng       : iPhone 5

    encoder         : 7.1.1

    encoder-eng     : 7.1.1

    date            : 2014-06-04T21:40:27-0700

    date-eng        : 2014-06-04T21:40:27-0700

    make            : Apple

    make-eng        : Apple

  Duration: 00:00:07.15, start: 0.000023, bitrate: 781 kb/s

    Stream #0:0(und): Video: h264 (Baseline) (avc1 / 0x31637661), yuv420p(tv, smpte170m), 480x360, 710 kb/s, 29.09 fps, 600 tbr, 600 tbn, 1200 tbc (default)

    Metadata:

      rotate          : 90

      creation_time   : 2014-06-05 04:40:27

      handler_name    : Core Media Data Handler

      encoder         : H.264

    Side data:

      displaymatrix: rotation of -90.00 degrees

    Stream #0:1(und): Audio: aac (mp4a / 0x6134706D), 44100 Hz, mono, fltp, 63 kb/s (default)

    Metadata:

      creation_time   : 2014-06-05 04:40:27

      handler_name    : Core Media Data Handler

[graph 0 input from stream 0:0 @ 0x27ed3a0] w:480 h:360 pixfmt:yuv420p tb:1/600 fr:320/11 sar:0/1 sws_param:flags=2

[graph 1 input from stream 0:1 @ 0x2800700] tb:1/44100 samplefmt:fltp samplerate:44100 chlayout:0x4

Output #0, avi, to '1.avi':

  Metadata:

    major_brand     : qt  

    minor_version   : 0

    compatible_brands: qt  

    make-eng        : Apple

    model           : iPhone 5

    model-eng       : iPhone 5

    make            : Apple

    ISFT            : Lavf56.3.100

    ICRD            : 2014-06-04T21:40:27-0700

    date-eng        : 2014-06-04T21:40:27-0700

    Stream #0:0(und): Video: mpeg4 (FMP4 / 0x34504D46), yuv420p, 480x360, q=2-31, 200 kb/s, 29.09 fps, 29.09 tbn, 29.09 tbc (default)

    Metadata:

      rotate          : 90

      creation_time   : 2014-06-05 04:40:27

      handler_name    : Core Media Data Handler

      encoder         : Lavc56.0.101 mpeg4

    Stream #0:1(und): Audio: mp3 (libmp3lame) (U[0][0][0] / 0x0055), 44100 Hz, mono, fltp (default)

    Metadata:

      creation_time   : 2014-06-05 04:40:27

      handler_name    : Core Media Data Handler

      encoder         : Lavc56.0.101 libmp3lame

Stream mapping:

  Stream #0:0 -> #0:0 (h264 (native) -> mpeg4 (native))

  Stream #0:1 -> #0:1 (aac (native) -> mp3 (libmp3lame))

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

*** dropping frame 79 from stream 0 at ts 80

*** dropping frame 113 from stream 0 at ts 114

*** dropping frame 145 from stream 0 at ts 146

*** dropping frame 177 from stream 0 at ts 178

No more output streams to write to, finishing.

frame=  204 fps=0.0 q=27.2 Lsize=     348kB time=00:00:07.15 bitrate= 398.4kbits/s dup=0 drop=4    

video:271kB audio:56kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 6.560985%

Input file #0 (1.mov):

  Input stream #0:0 (video): 208 packets read (634624 bytes); 208 frames decoded; 

  Input stream #0:1 (audio): 308 packets read (56854 bytes); 308 frames decoded (315392 samples); 

  Total: 516 packets (691478 bytes) demuxed

Output file #0 (1.avi):

  Output stream #0:0 (video): 204 frames encoded; 204 packets muxed (276993 bytes); 

  Output stream #0:1 (audio): 274 frames encoded (315392 samples); 275 packets muxed (57469 bytes); 

  Total: 479 packets (334462 bytes) muxed

strace and strace -e outputs :
strace non root :

 579 clone(child_stack=0x7fd3bfd07ff0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|        CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tidptr=0x7fd3bfd089d0, tls=0x7fd3bfd08700, child_tidptr=0x7fd3bfd089d0) = 3        2637

    580 mmap(NULL, 8392704, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd3bed07000

    581 mprotect(0x7fd3bed07000, 4096, PROT_NONE) = 0

    582 clone(child_stack=0x7fd3bf506ff0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|        CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tidptr=0x7fd3bf5079d0, tls=0x7fd3bf507700, child_tidptr=0x7fd3bf5079d0) = -        1 EAGAIN (Resource temporarily unavailable)

    583 futex(0x253b420, FUTEX_WAKE_PRIVATE, 1) = 1

    584 futex(0x253b3f4, FUTEX_CMP_REQUEUE_PRIVATE, 1, 2147483647, 0x253b420, 4) = 2

    585 futex(0x253b420, FUTEX_WAKE_PRIVATE, 1) = 1

    586 futex(0x7fd3c2d0e9d0, FUTEX_WAIT, 32631, NULL) = 0

    587 munmap(0x7fd3bed07000, 8392704)         = 0

    588 munmap(0x7fd3c250e000, 8392704)         = 0

    589 munmap(0x7fd3c1d0d000, 8392704)         = 0

    590 munmap(0x7fd3c150c000, 8392704)         = 0

    591 write(2, "\33[1;32m[AVFilterGraph @ 0x253b0a"..., 39[AVFilterGraph @ 0x253b0a0] ) = 39

    592 write(2, "\33[1;31mError initializing thread"..., 41Error initializing threading.

    593 ) = 41

    594 write(2, "\33[1;32m[AVFilterGraph @ 0x253b0a"..., 39[AVFilterGraph @ 0x253b0a0] ) = 39

    595 write(2, "\33[1;31mError creating filter 'an"..., 41Error creating filter 'anull'

    596 ) = 41

    597 write(2, "\33[4;31mError opening filters!\n\33["..., 34Error opening filters!

    598 ) = 34

strace -e non root :

strace -e open ffmpeg -i 1.mov 5.avi

open("/etc/ld.so.cache", O_RDONLY)      = 3

open("/lib64/libasound.so.2", O_RDONLY) = 3

open("/usr/lib64/libSDL-1.2.so.0", O_RDONLY) = 3

open("/lib64/libpthread.so.0", O_RDONLY) = 3

open("/usr/lib64/libx264.so.142", O_RDONLY) = 3

open("/usr/lib64/libvpx.so.0", O_RDONLY) = 3

open("/usr/local/lib/libvorbisenc.so.2", O_RDONLY) = 3

open("/usr/local/lib/libvorbis.so.0", O_RDONLY) = 3

open("/usr/local/lib/libmp3lame.so.0", O_RDONLY) = 3

open("/lib64/libm.so.6", O_RDONLY)      = 3

open("/lib64/libbz2.so.1", O_RDONLY)    = 3

open("/usr/local/lib/libz.so.1", O_RDONLY) = 3

open("/lib64/librt.so.1", O_RDONLY)     = 3

open("/lib64/libc.so.6", O_RDONLY)      = 3

open("/lib64/libdl.so.2", O_RDONLY)     = 3

open("/usr/local/lib/libogg.so.0", O_RDONLY) = 3

ffmpeg version N-65949-g0ddb051 Copyright (c) 2000-2014 the FFmpeg developers

  built on Aug 28 2014 11:39:47 with gcc 4.4.7 (GCC) 20120313 (Red Hat 4.4.7-4)

  configuration: --enable-gpl --enable-libmp3lame --enable-libvorbis --enable-libvpx --enable-libx264

  libavutil      54.  7.100 / 54.  7.100

  libavcodec     56.  0.101 / 56.  0.101

  libavformat    56.  3.100 / 56.  3.100

  libavdevice    56.  0.100 / 56.  0.100

  libavfilter     5.  0.103 /  5.  0.103

  libswscale      3.  0.100 /  3.  0.100

  libswresample   1.  1.100 /  1.  1.100

  libpostproc    53.  0.100 / 53.  0.100

open("1.mov", O_RDONLY|O_CLOEXEC)       = 3

open("/etc/localtime", O_RDONLY)        = 4

open("/proc/meminfo", O_RDONLY|O_CLOEXEC) = 4

Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '1.mov':

  Metadata:

    major_brand     : qt  

    minor_version   : 0

    compatible_brands: qt  

    creation_time   : 2014-06-05 04:40:27

    model           : iPhone 5

    model-eng       : iPhone 5

    encoder         : 7.1.1

    encoder-eng     : 7.1.1

    date            : 2014-06-04T21:40:27-0700

    date-eng        : 2014-06-04T21:40:27-0700

    make            : Apple

    make-eng        : Apple

  Duration: 00:00:07.15, start: 0.000023, bitrate: 781 kb/s

    Stream #0:0(und): Video: h264 (Baseline) (avc1 / 0x31637661), yuv420p(tv, smpte170m), 480x360, 710 kb/s, 29.09 fps, 600 tbr, 600 tbn, 1200 tbc (default)

    Metadata:

      rotate          : 90

      creation_time   : 2014-06-05 04:40:27

      handler_name    : Core Media Data Handler

      encoder         : H.264

    Side data:

      displaymatrix: rotation of -90.00 degrees

    Stream #0:1(und): Audio: aac (mp4a / 0x6134706D), 44100 Hz, mono, fltp, 63 kb/s (default)

    Metadata:

      creation_time   : 2014-06-05 04:40:27

      handler_name    : Core Media Data Handler

open("5.avi", O_WRONLY|O_CREAT|O_TRUNC|O_CLOEXEC, 0666) = 4

[AVFilterGraph @ 0x26ff4a0] Error initializing threading.

[AVFilterGraph @ 0x26ff4a0] Error creating filter 'anull'

Error opening filters!

strace root :

 579 clone(child_stack=0x7f4eb7c34ff0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|        CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tidptr=0x7f4eb7c359d0, tls=0x7f4eb7c35700, child_tidptr=0x7f4eb7c359d0) = 3        383

    580 mmap(NULL, 8392704, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4eb6c34000

    581 mprotect(0x7f4eb6c34000, 4096, PROT_NONE) = 0

    582 clone(child_stack=0x7f4eb7433ff0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|        CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tidptr=0x7f4eb74349d0, tls=0x7f4eb7434700, child_tidptr=0x7f4eb74349d0) = 3        384

    583 mmap(NULL, 8392704, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4eb6433000

    584 mprotect(0x7f4eb6433000, 4096, PROT_NONE) = 0

    585 clone(child_stack=0x7f4eb6c32ff0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|        CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tidptr=0x7f4eb6c339d0, tls=0x7f4eb6c33700, child_tidptr=0x7f4eb6c339d0) = 3        385

    586 mmap(NULL, 8392704, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4eb5c32000

    587 mprotect(0x7f4eb5c32000, 4096, PROT_NONE) = 0

    588 clone(child_stack=0x7f4eb6431ff0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|        CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tidptr=0x7f4eb64329d0, tls=0x7f4eb6432700, child_tidptr=0x7f4eb64329d0) = 3        386

    589 mmap(NULL, 8392704, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4eb5431000

    590 mprotect(0x7f4eb5431000, 4096, PROT_NONE) = 0

    591 clone(child_stack=0x7f4eb5c30ff0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|        CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tidptr=0x7f4eb5c319d0, tls=0x7f4eb5c31700, child_tidptr=0x7f4eb5c319d0) = 3        387

    592 mmap(NULL, 8392704, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4eb4c30000

    593 mprotect(0x7f4eb4c30000, 4096, PROT_NONE) = 0

    594 clone(child_stack=0x7f4eb542fff0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|        CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tidptr=0x7f4eb54309d0, tls=0x7f4eb5430700, child_tidptr=0x7f4eb54309d0) = 3        388

    595 mmap(NULL, 8392704, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4eb442f000

    596 mprotect(0x7f4eb442f000, 4096, PROT_NONE) = 0

    597 clone(child_stack=0x7f4eb4c2eff0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|        CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tidptr=0x7f4eb4c2f9d0, tls=0x7f4eb4c2f700, child_tidptr=0x7f4eb4c2f9d0) = 3        389

    598 mmap(NULL, 8392704, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4eb3c2e000

strace -e root :

    strace -e open ffmpeg -i 1.mov 5.avi

    open("/etc/ld.so.cache", O_RDONLY)      = 3

    open("/lib64/libasound.so.2", O_RDONLY) = 3

    open("/usr/lib64/libSDL-1.2.so.0", O_RDONLY) = 3

    open("/lib64/libpthread.so.0", O_RDONLY) = 3

    open("/usr/lib64/libx264.so.142", O_RDONLY) = 3

    open("/usr/lib64/libvpx.so.0", O_RDONLY) = 3

    open("/usr/local/lib/libvorbisenc.so.2", O_RDONLY) = 3

    open("/usr/local/lib/libvorbis.so.0", O_RDONLY) = 3

    open("/usr/local/lib/libmp3lame.so.0", O_RDONLY) = 3

    open("/lib64/libm.so.6", O_RDONLY)      = 3

    open("/lib64/libbz2.so.1", O_RDONLY)    = 3

    open("/usr/local/lib/libz.so.1", O_RDONLY) = 3

    open("/lib64/librt.so.1", O_RDONLY)     = 3

    open("/lib64/libc.so.6", O_RDONLY)      = 3

    open("/lib64/libdl.so.2", O_RDONLY)     = 3

    open("/usr/local/lib/libogg.so.0", O_RDONLY) = 3

    ffmpeg version N-65957-gc6a3b00 Copyright (c) 2000-2014 the FFmpeg developers

      built on Aug 28 2014 13:37:32 with gcc 4.4.7 (GCC) 20120313 (Red Hat 4.4.7-4)

      configuration: --enable-gpl --enable-libmp3lame --enable-libvorbis --enable-libvpx --enable-libx264 --prefix=/usr --libdir=/usr/lib64 --enable-gpl --enable-libmp3lame --enable-libvorbis --enable-libvpx --enable-libx264

      libavutil      54.  7.100 / 54.  7.100

      libavcodec     56.  0.101 / 56.  0.101

      libavformat    56.  3.100 / 56.  3.100

      libavdevice    56.  0.100 / 56.  0.100

      libavfilter     5.  0.103 /  5.  0.103

      libswscale      3.  0.100 /  3.  0.100

      libswresample   1.  1.100 /  1.  1.100

      libpostproc    53.  0.100 / 53.  0.100

    open("1.mov", O_RDONLY|O_CLOEXEC)       = 3

    open("/etc/localtime", O_RDONLY)        = 4

    open("/proc/meminfo", O_RDONLY|O_CLOEXEC) = 4

    Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '1.mov':

      Metadata:

        major_brand     : qt  

        minor_version   : 0

        compatible_brands: qt  

        creation_time   : 2014-06-05 04:40:27

        model           : iPhone 5

        model-eng       : iPhone 5

        encoder         : 7.1.1

        encoder-eng     : 7.1.1

        date            : 2014-06-04T21:40:27-0700

        date-eng        : 2014-06-04T21:40:27-0700

        make            : Apple

        make-eng        : Apple

      Duration: 00:00:07.15, start: 0.000023, bitrate: 781 kb/s

        Stream #0:0(und): Video: h264 (Baseline) (avc1 / 0x31637661), yuv420p(tv, smpte170m), 480x360, 710 kb/s, 29.09 fps, 600 tbr, 600 tbn, 1200 tbc (default)

        Metadata:

          rotate          : 90

          creation_time   : 2014-06-05 04:40:27

          handler_name    : Core Media Data Handler

          encoder         : H.264

        Side data:

          displaymatrix: rotation of -90.00 degrees

        Stream #0:1(und): Audio: aac (mp4a / 0x6134706D), 44100 Hz, mono, fltp, 63 kb/s (default)

        Metadata:

          creation_time   : 2014-06-05 04:40:27

          handler_name    : Core Media Data Handler

    File '5.avi' already exists. Overwrite ? [y/N] y

    open("5.avi", O_WRONLY|O_CREAT|O_TRUNC|O_CLOEXEC, 0666) = 4

    Output #0, avi, to '5.avi':

      Metadata:

        major_brand     : qt  

        minor_version   : 0

        compatible_brands: qt  

        make-eng        : Apple

        model           : iPhone 5

        model-eng       : iPhone 5

        make            : Apple

        ISFT            : Lavf56.3.100

        ICRD            : 2014-06-04T21:40:27-0700

        date-eng        : 2014-06-04T21:40:27-0700

        Stream #0:0(und): Video: mpeg4 (FMP4 / 0x34504D46), yuv420p, 480x360, q=2-31, 200 kb/s, 29.09 fps, 29.09 tbn, 29.09 tbc (default)

        Metadata:

          rotate          : 90

          creation_time   : 2014-06-05 04:40:27

          handler_name    : Core Media Data Handler

          encoder         : Lavc56.0.101 mpeg4

        Stream #0:1(und): Audio: mp3 (libmp3lame) (U[0][0][0] / 0x0055), 44100 Hz, mono, fltp (default)

        Metadata:

          creation_time   : 2014-06-05 04:40:27

          handler_name    : Core Media Data Handler

          encoder         : Lavc56.0.101 libmp3lame

    Stream mapping:

      Stream #0:0 -> #0:0 (h264 (native) -> mpeg4 (native))

      Stream #0:1 -> #0:1 (aac (native) -> mp3 (libmp3lame))

    Press [q] to stop, [?] for help

    frame=  204 fps=0.0 q=27.2 Lsize=     348kB time=00:00:07.15 bitrate= 398.4kbits/s dup=0 drop=4    

    video:271kB audio:56kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 6.560985%

1 | ... | 2545 | 2546 | 2547 | 2548 | 2549 | 2550 | 2551 | 2552 | 2553 | ... | 2674

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