Recherche avancée

Médias (91)

Autres articles (75)

  • Des sites réalisés avec MediaSPIP

    2 mai 2011, par

    Cette page présente quelques-uns des sites fonctionnant sous MediaSPIP.
    Vous pouvez bien entendu ajouter le votre grâce au formulaire en bas de page.

  • Keeping control of your media in your hands

    13 avril 2011, par

    The vocabulary used on this site and around MediaSPIP in general, aims to avoid reference to Web 2.0 and the companies that profit from media-sharing.
    While using MediaSPIP, you are invited to avoid using words like "Brand", "Cloud" and "Market".
    MediaSPIP is designed to facilitate the sharing of creative media online, while allowing authors to retain complete control of their work.
    MediaSPIP aims to be accessible to as many people as possible and development is based on expanding the (...)

  • Participer à sa traduction

    10 avril 2011

    Vous pouvez nous aider à améliorer les locutions utilisées dans le logiciel ou à traduire celui-ci dans n’importe qu’elle nouvelle langue permettant sa diffusion à de nouvelles communautés linguistiques.
    Pour ce faire, on utilise l’interface de traduction de SPIP où l’ensemble des modules de langue de MediaSPIP sont à disposition. ll vous suffit de vous inscrire sur la liste de discussion des traducteurs pour demander plus d’informations.
    Actuellement MediaSPIP n’est disponible qu’en français et (...)

Sur d’autres sites (10547)

  • Can't access Google Cloud Platform hosted rtsp stream externally

    1er novembre 2023, par Nikos Daskalas

    I have been trying to host a video to rtsp stream on a gcp vm instance.

    


    My steps were :

    


    a) Set up an external ip to my vm, and setup firewall rules to allow traffick.

    


    b)Install mediamtx to my vm and start a server with ./mediamtx

    


    c)install ffmpeg and stream my video with : ffmpeg -i video.mp4 -rtsp_transport tcp -f rtsp rtsp ://externalip:8554/live.stream

    


    The stream runs locally, but when I try to access in with vlc or ffplay rtsp ://externalip:8554/live.stream, I cannot connect. I tried to ping the server from the client side, and it works ok.

    


    What am I missing ? Are there any more configurations I need to do to my project ?

    


  • FFmpeg for Android platform

    30 avril 2014, par Neeraj

    I am trying to create an android application that uses FFMpeg. For that, I downloaded the FFmpeg code(v 0.8.15) from http://www.ffmpeg.org/olddownload.html. And compiled the code as per instructions given at http://www.roman10.net/how-to-build-ffmpeg-for-android/

    As a result, .a files have been generated in Android/lib folder & .h files in android/include folder.

    But, when I try to create .so file of my Native code what uses this prebuilt FFmpeg library (.a files), it gives undefined reference errors.

    Please find my project’s code structure is given below.

    project path is /home/guest/Neeraj_temp/FFMpeg-Example

    At this path, I created two folders jni & prebuilt
    In prebuilt folder, I kept libavfilter.a, libavcodec.a, libavformat.a, libavutil.a, libswscale.a
    In jni folder, I kept one include folder that contains all .h folders (libavcodec, libavfilter, libavformat, libavutil, libswscale).

    api-example.c file is also kept in jni folder that uses FFmpeg’s APIs.
    & one Android.mk file in jni folder.

    Android.mk :-

    LOCAL_PATH:= $(call my-dir)
    
include $(CLEAR_VARS)
    
LOCAL_MODULE    := libFFmpeg
    
LOCAL_C_INCLUDES := $(LOCAL_PATH)/FFMpeg/include
    
LOCAL_SRC_FILES := api-example.c
    
LOCAL_LDLIBS += -L$(LOCAL_PATH)/../prebuilt -lavfilter -lavutil -lavformat -lavcodec -lswscale
    
include $(BUILD_SHARED_LIBRARY)

    Error :

    /home/guest/Neeraj_temp/ffmpeg-0.8.15/libavcodec/wavpack.c:689: undefined reference to `av_log'
    
/home/guest/Neeraj_temp/FFMpeg-Example/jni/../prebuilt/libavcodec.a(wavpack.o): In function `wv_unpack_stereo':
    
/home/guest/Neeraj_temp/ffmpeg-0.8.15/libavcodec/wavpack.c:604: undefined reference to `av_log'
    
/home/guest/Neeraj_temp/ffmpeg-0.8.15/libavcodec/wavpack.c:608: undefined reference to `av_log'
    
/home/guest/Neeraj_temp/FFMpeg-Example/jni/../prebuilt/libavcodec.a(wavpack.o):/home/guest/Neeraj_temp/ffmpeg-0.8.15/libavcodec/wavpack.c:1215: more undefined references to `av_log' follow
    
/home/guest/Neeraj_temp/FFMpeg-Example/jni/../prebuilt/libavcodec.a(wmavoice.o): In function `synth_block_fcb_acb':
    
/home/guest/Neeraj_temp/ffmpeg-0.8.15/libavcodec/wmavoice.c:1359: undefined reference to `av_memcpy_backptr'
    
/home/guest/Neeraj_temp/FFMpeg-Example/jni/../prebuilt/libavcodec.a(wmavoice.o): In function `synth_frame':
    
/home/guest/Neeraj_temp/ffmpeg-0.8.15/libavcodec/wmavoice.c:1441: undefined reference to `av_log'
    
/home/guest/Neeraj_temp/FFMpeg-Example/jni/../prebuilt/libavcodec.a(wmavoice.o): In function `synth_superframe':
    
/home/guest/Neeraj_temp/ffmpeg-0.8.15/libavcodec/wmavoice.c:1765: undefined reference to `av_log'
    
/home/guest/Neeraj_temp/FFMpeg-Example/jni/../prebuilt/libavcodec.a(wmavoice.o): In function `wmavoice_decode_packet':
    
/home/guest/Neeraj_temp/ffmpeg-0.8.15/libavcodec/wmavoice.c:1919: undefined reference to `av_log'
    
/home/guest/Neeraj_temp/FFMpeg-Example/jni/../prebuilt/libavcodec.a(wmavoice.o): In function `wmavoice_decode_init':
    
/home/guest/Neeraj_temp/ffmpeg-0.8.15/libavcodec/wmavoice.c:350: undefined reference to `av_log'
    
/home/guest/Neeraj_temp/ffmpeg-0.8.15/libavcodec/wmavoice.c:373: undefined reference to `av_log'
    
/home/guest/Neeraj_temp/FFMpeg-Example/jni/../prebuilt/libavcodec.a(wmavoice.o):/home/guest/Neeraj_temp/ffmpeg-0.8.15/libavcodec/wmavoice.c:397: more undefined references to `av_log' follow
    
/home/guest/Neeraj_temp/FFMpeg-Example/jni/../prebuilt/libavcodec.a(wnv1.o): In function `decode_frame':
    
/home/guest/Neeraj_temp/ffmpeg-0.8.15/libavcodec/wnv1.c:81: undefined reference to `av_reverse'
    
/home/guest/Neeraj_temp/FFMpeg-Example/jni/../prebuilt/libavcodec.a(ws-snd1.o): In function `ws_snd_decode_frame':
    
/home/guest/Neeraj_temp/ffmpeg-0.8.15/libavcodec/ws-snd1.c:70: undefined reference to `av_log'
    
/home/guest/Neeraj_temp/ffmpeg-0.8.15/libavcodec/ws-snd1.c:83: undefined reference to `av_log'
    
/home/guest/Neeraj_temp/ffmpeg-0.8.15/libavcodec/ws-snd1.c:79: undefined reference to `av_log'
    
/home/guest/Neeraj_temp/FFMpeg-Example/jni/../prebuilt/libavcodec.a(xan.o): In function `xan_decode_frame':
    
/home/guest/Neeraj_temp/ffmpeg-0.8.15/libavcodec/xan.c:568: undefined reference to `av_log'
    
/home/guest/Neeraj_temp/ffmpeg-0.8.15/libavcodec/xan.c:551: undefined reference to `av_log'
    
/home/guest/Neeraj_temp/FFMpeg-Example/jni/../prebuilt/libavcodec.a(xan.o):/home/guest/Neeraj_temp/ffmpeg-0.8.15/libavcodec/xan.c:515: more undefined references to `av_log' follow
    
/home/guest/Neeraj_temp/FFMpeg-Example/jni/../prebuilt/libavcodec.a(xan.o): In function `xan_unpack':
    
/home/guest/Neeraj_temp/ffmpeg-0.8.15/libavcodec/xan.c:178: undefined reference to `av_memcpy_backptr'
    
/home/guest/Neeraj_temp/FFMpeg-Example/jni/../prebuilt/libavcodec.a(xl.o): In function `decode_frame':
    
/home/guest/Neeraj_temp/ffmpeg-0.8.15/libavcodec/xl.c:60: undefined reference to `av_log'
    
/home/guest/Neeraj_temp/FFMpeg-Example/jni/../prebuilt/libavcodec.a(xsubdec.o): In function `decode_frame'

    I have read a lot of blogs but still not able to get the solution. Kindly provide me the solution. How do I need to structure the code that I should not get these errors & get the code compiled.

    Thanks.

  • v4l2 learning resources step by step [closed]

    5 août 2023, par Mark Watts

    I intend to learn how v4l2 works and how is a hw codec integrated to do decoding
What resources do i need and where to start ? i'm new to kernel space too

    


      

    1. Hardware board ? ( Raspberry pi or similar ?)

      2. 


    2. Environment ( VMware ?)

      3. 


    3. Example code with userspace Multimedia framework using v4l2 driver ( where can i see examples of this stuff that is already done ?)

      4. 


    4. Documentation / turorials / videos

      5. 


    


    Ive come across some videos from bootlin and the kernel documentation . I want to know how to approach it methodically.

    


Navigation