[FFmpeg-devel] Extend the PATH buffer to 2048 for RTSP

[Michael Niedermayer]

On Wed, Aug 07, 2024 at 09:03:01AM +0200, Stefano Mandelli wrote:
> Recently, I have been experiencing an increasing number
> of user that use ffmpeg to retrive RTSP stream from
> personal mediaproxies (e.g. MediaMtx) with
> authorization based on JWT. The current length of PATH
> does not permit to insert the token in the URL failing
> the authorization with no possibilities to get the video.
> 
> VLC has just modified the RSTP max URL length, and it
> permits to use token inside the URL.
> 
> For these reasons, I propose this patch to extend the
> PATH buffer from 1024 to 2048 in order to use tokens
> and the authorization process based on JWT.
> 
> 
> diff --git a/libavformat/rtsp.c b/libavformat/rtsp.c
> index 19b93df839..d8f45cf8d5 100644
> --- a/libavformat/rtsp.c
> +++ b/libavformat/rtsp.c
> @@ -1727,7 +1727,7 @@ void ff_rtsp_close_connections(AVFormatContext *s)
>  int ff_rtsp_connect(AVFormatContext *s)
>  {
>      RTSPState *rt = s->priv_data;
> -    char proto[128], host[1024], path[1024];
> +    char proto[128], host[1024], path[2048];
>      char tcpname[1024], cmd[MAX_URL_SIZE], auth[128];
>      const char *lower_rtsp_proto = "tcp";
> 	 int port, err, tcp_fd;

error: corrupt patch at line 13

[...]

-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

Asymptotically faster algorithms should always be preferred if you have
asymptotical amounts of data
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