[FFmpeg-user] web stream video conversion on the fly without downloading

[steven liu]

Thanks for reply. Is it possible to do this programmatically? I am able to
receive the video byte stream (from socket) and store it into a tempary
memory buffer. I plan to convert the buffer content to another format. The
question is how much bytes I need to receive for each buffer before I start
calling FFMPEG to convert?  The problem is how to cut the received video
byte stream to different parts for conversion. Tks.

On Wed, Nov 30, 2011 at 1:02 PM, Da Rock <
ffmpeg-user at herveybayaustralia.com.au> wrote:

> On 11/30/11 14:51, steven liu wrote:
>
>> Dear All,
>>
>> I am wondering whether FFMPEG has the web stream video conversion on the
>> fly capability. What I want to do is to receive online web video stream
>> from sockets, convert to another format/size/bit rate on the fly without
>> waiting until the whole video file is downloaded completely. For example,
>> I
>> receive 1 sec video and start converting for this 1-sec video content.
>> Then, I go to receive another 1 sec and start converting another 1-sec
>> video content. Is it possible to do this using FFMPEG or other tools? Many
>> thanks.
>>
>>  I believe that is the point of it. You can input from many sources
> (including weburl) convert and view on the fly such as:
>
> ffmpeg -i <url> <conversion parameters> | <mplayer or other viewer> -
>
> Essentially that is what ffserver does- it connects endpoints like this
> automagically so to speak. One ffmpeg reads the source to ffserver, and
> ffserver calls another to write it to the remote.
>
> HTH
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