Hi All,
    I am facing an issue with regards to the playback of the video recorded
using libcurl command.
    The usecase is I am using libcurl API to record content from a webcam.
When I try to playback that recorded content on my Windows m/c using VLC
player I observe the following
     - Sometimes the video will play at high speeds, as if is being fast
forwarded.
     - Sometimes it will display only 1 frame and exit.

     I have set the following options
   curl_easy_setopt(curl, CURLOPT_URL, record_data->url);
   //URL For H264 format http://<username>:<pwd>@<ip of the
webcam>/h264.mpt
   //URL for mjpg format- http://<username>:<pwd>@<ip of the
webcam>/video/mjpg.cgi
   curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, write_data_cam);
   curl_easy_setopt(curl, CURLOPT_HEADER, 0L);
   curl_easy_setopt(curl, CURLOPT_WRITEDATA, cam_bodyfile);
   curl_easy_setopt(curl, CURLOPT_NOPROGRESS, 0L);
   curl_easy_setopt(curl, CURLOPT_PROGRESSFUNCTION, record_progress);
   curl_easy_setopt(curl, CURLOPT_PROGRESSDATA, record_data);
   res = curl_easy_perform(curl);

   I am storing the content in a <filename>.avi file.

   I opened the avi file generated and I am seeing the following content
other than the video data.
   for mjpg
   --video boundary--
Content-length: 30820
Date: 01-01-2015 12:11:59 AM IO_00000000_PT_000_000
Content-type: image/jpeg

   for h264

   --video boundary--
Content-length: 11184
Date: 01-01-2015 12:29:46 AM IO_00000000_PT_000_000
Content-type: video/h264

    A couple of queries -
    1 - Is there anything missing , that is required to record the content
properly?
    2 - Is there a way to disable the above mentioned content getting added
to download content?

    I am using the curl version 7.54

Thanks n Regards,
 Vinod

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Received on 2017-06-29