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  • Solution Merge mp3+mp4 together with FFMPEG or other

    7 juin 2018, par SandyUgale

    I have been working on a project where I have .mp3 and video file (.MP4). I have FFMG on my AWS server and I’m providing both to FFMPEG give me complete video file with provided audio file. Then I send this file to my AWS S3 and then fetch this video as needed in my web app.

    Problem/Use Case :

    If I have 10 mp3 and 10 mp4 video files then I have to wait the until it complete all videos then only I can send them on S3, so Im waiting for long as number goes up.

    Can I control this ?

    Solution-1 : Don’t need to wait for loop

    Meaning instead of starting all merging together parallel I would like merging to be done one by one. Referencing above example

    First merge of 1.mp3 + 1. Mp4= 1.mp4 (complete file) –upload s3.  
    
Second merge of 2.mp3 + 2. Mp4= 2.mp4 (complete file) –upload s3.  
    
Tenth merge of 10.mp3 + 10. Mp4= 10.mp4 (complete file) –upload s3.  

    Solution-2 : send video as they ready

    How I can know which video has been ready to send to s3 ?

    Solution-3 : other service

    Is there any other online API or services where I can pass mp3 + mp4 and give me video url simply after merging so technically video will hosted on either their platform or on my S3 doest matter.

  • Can build & make video call with pjsip and ffmpeg

    10 mai 2023, par QViet

    I try to build PJSIP with ffmpeg with this config :

    


    i Follow those step :

    


      

    • build need lib and place in thirdparty folder name ffmpeg

      • 


    • setup link lib & header already.

      • 


    • run build with "$configure —with-ffmpeg="

      • 


    • config_site.h add :

      • 


    


    

    #define PJMEDIA_HAS_OPENH264_CODEC 1 
#define PJMEDIA_HAS_VIDEO 1 
#define PJMEDIA_VIDEO_DEV_HAS_FFMPEG 1 
#define PJMEDIA_HAS_FFMPEG_VID_CODEC 1 
#define PJMEDIA_HAS_FFMPEG 1 
#define PJMEDIA_HAS_FFMPEG_CODEC_H264 1 
#define PJMEDIA_HAS_LIBAVDEVICE 1 
#define PJMEDIA_HAS_OPENH264_CODEC 1


    


    


    I see have to enable PJMEDIA_HAS_OPENH264_CODEC , if not, can build success but when import will receive this error :

    


    Undefined symbol: _WelsCreateDecoder


    


    cause miss wels package exits in openh264 lib.

    


    The build with success after all with above config but in this :

    


       pj_status_t status = pjsua_vid_enum_codecs(videoCodecInfo, &videoCodecCount);


    


    the codec info just show 1 codec is "H264/97" -> is OpenH264 codec, i can't see ffmpeg here.
When im start call like normal, see log openh264 init call/ open camera .

    


    What i need step to using ffmpeg, i can see any docs about it

    


    can you help me ?

    


    ** this i log call stack :**

    


    2023-04-24 10:17:21.522976+0700 PSUAKitSample[83000:15642975] 💚 DEBUG   10:17:21.523 [SIPSample -[SIPSample startEndpointWithEndpointConfiguration:error:]:272] Creating new PSUASIP Endpoint instance.
10:17:21.525         os_core_unix.c !pjlib 2.13-dev for POSIX initialized
10:17:21.526         sip_endpoint.c  .Creating endpoint instance...
10:17:21.527                  pjlib  .select() I/O Queue created (0x1050a32c8)
10:17:21.527         sip_endpoint.c  .Module "mod-msg-print" registered
10:17:21.527        sip_transport.c  .Transport manager created.
10:17:21.527           pjsua_core.c  .PJSUA state changed: NULL --> CREATED
2023-04-24 10:17:21.528077+0700 PSUAKitSample[83000:15642817] 10:17:21.528         sip_endpoint.c  .Module "mod-pjsua-log" registered

2023-04-24 10:17:21.528204+0700 PSUAKitSample[83000:15642975] 💚 DEBUG   10:17:21.528 [SIPSample void logCallBack(int, const char *, int):1034]         sip_endpoint.c  .Module "mod-PSUA-log" registered
2023-04-24 10:17:21.529375+0700 PSUAKitSample[83000:15642817] 10:17:21.529         sip_endpoint.c  .Module "mod-tsx-layer" registered

2023-04-24 10:17:21.529477+0700 PSUAKitSample[83000:15642975] 💚 DEBUG   10:17:21.529 [SIPSample void logCallBack(int, const char *, int):1034]         sip_endpoint.c  .Module "mod-tsx-layer" registered
2023-04-24 10:17:21.529491+0700 PSUAKitSample[83000:15642817] 10:17:21.529         sip_endpoint.c  .Module "mod-stateful-util" registered

2023-04-24 10:17:21.529592+0700 PSUAKitSample[83000:15642975] 💚 DEBUG   10:17:21.530 [SIPSample void logCallBack(int, const char *, int):1034]         sip_endpoint.c  .Module "mod-stateful-util" registered
2023-04-24 10:17:21.529895+0700 PSUAKitSample[83000:15642817] 10:17:21.529         sip_endpoint.c  .Module "mod-ua" registered

2023-04-24 10:17:21.530024+0700 PSUAKitSample[83000:15642975] 💚 DEBUG   10:17:21.530 [SIPSample void logCallBack(int, const char *, int):1034]         sip_endpoint.c  .Module "mod-ua" registered
2023-04-24 10:17:21.530068+0700 PSUAKitSample[83000:15642817] 10:17:21.530         sip_endpoint.c  .Module "mod-100rel" registered

2023-04-24 10:17:21.530181+0700 PSUAKitSample[83000:15642817] 10:17:21.530         sip_endpoint.c  .Module "mod-pjsua" registered

2023-04-24 10:17:21.530217+0700 PSUAKitSample[83000:15642975] 💚 DEBUG   10:17:21.530 [SIPSample void logCallBack(int, const char *, int):1034]         sip_endpoint.c  .Module "mod-100rel" registered
2023-04-24 10:17:21.530283+0700 PSUAKitSample[83000:15642975] 💚 DEBUG   10:17:21.530 [SIPSample void logCallBack(int, const char *, int):1034]         sip_endpoint.c  .Module "mod-PSUA" registered
2023-04-24 10:17:21.530865+0700 PSUAKitSample[83000:15642817] 10:17:21.530         sip_endpoint.c  .Module "mod-invite" registered

2023-04-24 10:17:21.530970+0700 PSUAKitSample[83000:15642975] 💚 DEBUG   10:17:21.531 [SIPSample void logCallBack(int, const char *, int):1034]         sip_endpoint.c  .Module "mod-invite" registered
2023-04-24 10:17:21.677206+0700 PSUAKitSample[83000:15642817] 10:17:21.677        coreaudio_dev.c  .. dev_id 0: iPhone IO device  (in=1, out=1) 8000Hz

2023-04-24 10:17:21.677497+0700 PSUAKitSample[83000:15642975] 💚 DEBUG   10:17:21.677 [SIPSample void logCallBack(int, const char *, int):1034]        coreaudio_dev.c  .. dev_id 0: iPhone IO device  (in=1, out=1) 8000Hz
2023-04-24 10:17:21.677588+0700 PSUAKitSample[83000:15642817] 10:17:21.677        coreaudio_dev.c  ..core audio initialized

2023-04-24 10:17:21.677804+0700 PSUAKitSample[83000:15642975] 💚 DEBUG   10:17:21.678 [SIPSample void logCallBack(int, const char *, int):1034]        coreaudio_dev.c  ..core audio initialized
2023-04-24 10:17:21.678538+0700 PSUAKitSample[83000:15642817] 10:17:21.678                  pjlib  ..select() I/O Queue created (0x1060684a8)

2023-04-24 10:17:21.678743+0700 PSUAKitSample[83000:15642975] 💚 DEBUG   10:17:21.679 [SIPSample void logCallBack(int, const char *, int):1034]                  pjlib  ..select() I/O Queue created (0x1060684a8)
2023-04-24 10:17:21.683380+0700 PSUAKitSample[83000:15642817] 10:17:21.683            pjsua_vid.c  ..Initializing video subsystem..

2023-04-24 10:17:21.683585+0700 PSUAKitSample[83000:15642975] 💚 DEBUG   10:17:21.683 [SIPSample void logCallBack(int, const char *, int):1034]            PSUA_vid.c  ..Initializing video subsystem..
2023-04-24 10:17:21.684058+0700 PSUAKitSample[83000:15642817] 10:17:21.684             vid_conf.c  ...Created video conference bridge with 32 ports

2023-04-24 10:17:21.684260+0700 PSUAKitSample[83000:15642975] 💚 DEBUG   10:17:21.684 [SIPSample void logCallBack(int, const char *, int):1034]             vid_conf.c  ...Created video conference bridge with 32 ports
2023-04-24 10:17:21.684983+0700 PSUAKitSample[83000:15642817] 10:17:21.684           openh264.cpp  ...OpenH264 codec initialized

2023-04-24 10:17:21.685168+0700 PSUAKitSample[83000:15642975] 💚 DEBUG   10:17:21.685 [SIPSample void logCallBack(int, const char *, int):1034]           openh264.cpp  ...OpenH264 codec initialized
2023-04-24 10:17:21.685237+0700 PSUAKitSample[83000:15642817] 10:17:21.685           opengl_dev.c  ...OpenGL device initialized

2023-04-24 10:17:21.685370+0700 PSUAKitSample[83000:15642975] 💚 DEBUG   10:17:21.685 [SIPSample void logCallBack(int, const char *, int):1034]           opengl_dev.c  ...OpenGL device initialized
2023-04-24 10:17:21.715616+0700 PSUAKitSample[83000:15642817] 10:17:21.715           darwin_dev.m  ...Darwin video initialized with 5 devices:

2023-04-24 10:17:21.715796+0700 PSUAKitSample[83000:15642975] 💚 DEBUG   10:17:21.716 [SIPSample void logCallBack(int, const char *, int):1034]           darwin_dev.m  ...Darwin video initialized with 5 devices:
2023-04-24 10:17:21.715812+0700 PSUAKitSample[83000:15642817] 10:17:21.715           darwin_dev.m  ... 0: [Renderer] iOS - UIView

2023-04-24 10:17:21.715917+0700 PSUAKitSample[83000:15642975] 💚 DEBUG   10:17:21.716 [SIPSample void logCallBack(int, const char *, int):1034]           darwin_dev.m  ... 0: [Renderer] iOS - UIView
2023-04-24 10:17:21.715921+0700 PSUAKitSample[83000:15642817] 10:17:21.715           darwin_dev.m  ... 1: [Capturer] AVF - Front Camera

2023-04-24 10:17:21.716006+0700 PSUAKitSample[83000:15642975] 💚 DEBUG   10:17:21.716 [SIPSample void logCallBack(int, const char *, int):1034]           darwin_dev.m  ... 1: [Capturer] AVF - Front Camera
2023-04-24 10:17:21.716033+0700 PSUAKitSample[83000:15642817] 10:17:21.716           darwin_dev.m  ... 2: [Capturer] AVF - Back Camera

2023-04-24 10:17:21.716137+0700 PSUAKitSample[83000:15642817] 10:17:21.716           darwin_dev.m  ... 3: [Capturer] AVF - Back Dual Camera

2023-04-24 10:17:21.716152+0700 PSUAKitSample[83000:15642975] 💚 DEBUG   10:17:21.716 [SIPSample void logCallBack(int, const char *, int):1034]           darwin_dev.m  ... 2: [Capturer] AVF - Back Camera
2023-04-24 10:17:21.716218+0700 PSUAKitSample[83000:15642975] 💚 DEBUG   10:17:21.716 [SIPSample void logCallBack(int, const char *, int):1034]           darwin_dev.m  ... 3: [Capturer] AVF - Back Dual Camera
2023-04-24 10:17:21.716247+0700 PSUAKitSample[83000:15642817] 10:17:21.716           darwin_dev.m  ... 4: [Capturer] AVF - Back Telephoto Camera

2023-04-24 10:17:21.716375+0700 PSUAKitSample[83000:15642975] 💚 DEBUG   10:17:21.716 [SIPSample void logCallBack(int, const char *, int):1034]           darwin_dev.m  ... 4: [Capturer] AVF - Back Telephoto Camera
2023-04-24 10:17:21.716409+0700 PSUAKitSample[83000:15642817] 10:17:21.716         colorbar_dev.c  ...Colorbar video src initialized with 2 device(s):

2023-04-24 10:17:21.716673+0700 PSUAKitSample[83000:15642817] 10:17:21.716         colorbar_dev.c  ... 0: Colorbar generator

2023-04-24 10:17:21.716764+0700 PSUAKitSample[83000:15642975] 💚 DEBUG   10:17:21.717 [SIPSample void logCallBack(int, const char *, int):1034]         colorbar_dev.c  ...Colorbar video src initialized with 2 device(s):
2023-04-24 10:17:21.716918+0700 PSUAKitSample[83000:15642817] 10:17:21.716         colorbar_dev.c  ... 1: Colorbar-active

2023-04-24 10:17:21.716938+0700 PSUAKitSample[83000:15642975] 💚 DEBUG   10:17:21.717 [SIPSample void logCallBack(int, const char *, int):1034]         colorbar_dev.c  ... 0: Colorbar generator
2023-04-24 10:17:21.717192+0700 PSUAKitSample[83000:15642975] 💚 DEBUG   10:17:21.717 [SIPSample void logCallBack(int, const char *, int):1034]         colorbar_dev.c  ... 1: Colorbar-active
2023-04-24 10:17:21.717528+0700 PSUAKitSample[83000:15642817] 10:17:21.717         sip_endpoint.c  .Module "mod-evsub" registered

2023-04-24 10:17:21.717645+0700 PSUAKitSample[83000:15642975] 💚 DEBUG   10:17:21.718 [SIPSample void logCallBack(int, const char *, int):1034]         sip_endpoint.c  .Module "mod-evsub" registered
2023-04-24 10:17:21.717710+0700 PSUAKitSample[83000:15642817] 10:17:21.717         sip_endpoint.c  .Module "mod-presence" registered


    


  • how can i stop ffmpeg when no new frame come to /dev/video0

    17 mai 2022, par itirou tarou

    I am now modifying stream from camera with our program(programA) and output as .ts files like below.

    


    camera => programA => /dev/video0 => ffmpeg => .ts files

    


    When camera stopped, programA stop automatically and no new frame arrive to /dev/video0.
I want ffmpeg stop automatically in such situation.
What ffmpeg option should I use ?
Currently I'm using option below, but ffmpeg doesn't stop.

    


    ffmpeg -f video4linux2 -i /dev/video0 -vsync vfr -f hls -c:v h264_nvenc out.m3u8


    


    Edited :
    
I tried to invalidate /dev/video0 but it failed like below.

    


    # modprobe -r v4l2loopback
modprobe: FATAL: Module v4l2loopback is in use.


    


    After I stopped programA and ffmpeg, the command success.
    
ProgramA is kicked by systemd service and restart automatically when it stopped.
    
ffmpeg is kicked by programB, but programB doesn't control programA.
    
But it sounds like good idea to inform B so B can kill ffmpeg.
    
I'll try that way. Thank you.

    


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