[FFmpeg-devel] [PATCH] Increasing the max length of control URI to 2048 characters, as urls of some RTSP streams do exceed this limit.

[zhilizhao]

> On Aug 6, 2020, at 6:38 AM, Yiğit (Yeet) Uyan <yigituyan-at-google.com at ffmpeg.org> wrote:
> 
> Hello everyone,
> 
> This is the first time for me to send a patch via email. Is this the
> correct format?
> 
> I would appreciate it if someone could confirm, and if there is anything
> else I need to do to get it into upcoming releases.
> 
> Best,
> 
> *•  **Yiğit (Yeet) Uyan*
> *•*  Smart Home Intelligence | Google Home
> *•*  yigituyan at google.com
> 
> 
> 
> On Wed, Aug 5, 2020 at 11:30 AM <device.access.test at gmail.com> wrote:
> 
>> From: Yiğit (Yeet) Uyan <yigituyan at google.com>
>> 
>> Signed-off-by: Yiğit (Yeet) Uyan <yigituyan at google.com>
>> ---
>> libavformat/rtsp.h | 2 +-
>> 1 file changed, 1 insertion(+), 1 deletion(-)
>> 
>> diff --git a/libavformat/rtsp.h b/libavformat/rtsp.h
>> index 54a9a30c16..2b37f5b49f 100644
>> --- a/libavformat/rtsp.h
>> +++ b/libavformat/rtsp.h
>> @@ -315,7 +315,7 @@ typedef struct RTSPState {
>>     /** some MS RTSP streams contain a URL in the SDP that we need to use
>>      * for all subsequent RTSP requests, rather than the input URI; in
>>      * other cases, this is a copy of AVFormatContext->filename. */
>> -    char control_uri[1024];
>> +    char control_uri[2048];

There is a control_url field in RTSPState, and there are string copy between them.
This patch makes them have different length. Please check every usecase of the
field.

>> 
>>     /** The following are used for parsing raw mpegts in udp */
>>     //@{
>> 
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