ffmpeg_opt: dont fail for sameq/same_quant.

Instead print a warning.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

ffmpeg_opt.c

@@ -157,6 +157,12 @@ static int opt_pad(void *optctx, const char *opt, const char *arg)
     return -1;
 }
 
+static int opt_sameq(void *optctx, const char *opt, const char *arg)
+{
+    av_log(NULL, AV_LOG_WARNING, "Ignoring option '%s'\n", opt);
+    return 0;
+}
+
 static int opt_video_channel(void *optctx, const char *opt, const char *arg)
 {
     av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -channel.\n");
@@ -2389,6 +2395,10 @@ const OptionDef options[] = {
         "rate control override for specific intervals", "override" },
     { "vcodec",       OPT_VIDEO | HAS_ARG  | OPT_PERFILE,                        { .func_arg = opt_video_codec },
         "force video codec ('copy' to copy stream)", "codec" },
+    { "sameq",        OPT_VIDEO | OPT_EXPERT ,                                   { .func_arg = opt_sameq },
+        "Removed" },
+    { "same_quant",   OPT_VIDEO | OPT_EXPERT ,                                   { .func_arg = opt_sameq },
+        "Removed" },
     { "timecode",     OPT_VIDEO | HAS_ARG | OPT_PERFILE,                         { .func_arg = opt_timecode },
         "set initial TimeCode value.", "hh:mm:ss[:;.]ff" },
     { "pass",         OPT_VIDEO | HAS_ARG | OPT_SPEC | OPT_INT,                  { .off = OFFSET(pass) },