fftools/ffmpeg: update text requesting samples

Signed-off-by: Andriy Gelman <andriy.gelman@gmail.com>
Reviewed-by: Marton Balint <cus@passwd.hu>

doc/developer.texi

@@ -625,7 +625,7 @@ If the patch fixes a bug, did you provide a verbose analysis of the bug?
 If the patch fixes a bug, did you provide enough information, including
 a sample, so the bug can be reproduced and the fix can be verified?
 Note please do not attach samples >100k to mails but rather provide a
-URL, you can upload to ftp://upload.ffmpeg.org.
+URL, you can upload to @url{https://streams.videolan.org/upload/}.
 
 @item
 Did you provide a verbose summary about what the patch does change?

fftools/cmdutils.c

@@ -2210,7 +2210,7 @@ double get_rotation(AVStream *st)
     if (fabs(theta - 90*round(theta/90)) > 2)
         av_log(NULL, AV_LOG_WARNING, "Odd rotation angle.\n"
                "If you want to help, upload a sample "
-               "of this file to ftp://upload.ffmpeg.org/incoming/ "
+               "of this file to https://streams.videolan.org/upload/ "
                "and contact the ffmpeg-devel mailing list. (ffmpeg-devel@ffmpeg.org)");
 
     return theta;

fftools/ffmpeg.c

@@ -2370,7 +2370,7 @@ static int decode_video(InputStream *ist, AVPacket *pkt, int *got_output, int64_
             av_log(ist->dec_ctx, AV_LOG_WARNING,
                    "video_delay is larger in decoder than demuxer %d > %d.\n"
                    "If you want to help, upload a sample "
-                   "of this file to ftp://upload.ffmpeg.org/incoming/ "
+                   "of this file to https://streams.videolan.org/upload/ "
                    "and contact the ffmpeg-devel mailing list. (ffmpeg-devel@ffmpeg.org)\n",
                    ist->dec_ctx->has_b_frames,
                    ist->st->codecpar->video_delay);