Fix all warnings in rtmp output

plugins/obs-outputs/librtmp/parseurl.c

@@ -198,7 +198,7 @@ parsehost:
 int RTMP_ParseURL2(const char *url, int *protocol, AVal *host, unsigned int *port,
                   AVal *app)
 {
-    char *p, *end, *col, *ques, *slash;
+    char *p, *end, *col, /* *ques, */ *slash;
 
     RTMP_Log(RTMP_LOGDEBUG, "Parsing...");
 
@@ -255,7 +255,7 @@ parsehost:
 
     end   = p + strlen(p);
     col   = strchr(p, ':');
-    ques  = strchr(p, '?');
+    // ques  = strchr(p, '?');
     slash = strchr(p, '/');
 
     {

plugins/obs-outputs/librtmp/rtmp.c

@@ -3923,7 +3923,7 @@ RTMP_ReadPacket(RTMP *r, RTMPPacket *packet)
     uint8_t hbuf[RTMP_MAX_HEADER_SIZE] = { 0 };
     char *header = (char *)hbuf;
     int nSize, hSize, nToRead, nChunk;
-    int didAlloc = FALSE;
+    // int didAlloc = FALSE;
 
     RTMP_Log(RTMP_LOGDEBUG2, "%s: fd=%d", __FUNCTION__, r->m_sb.sb_socket);
 
@@ -4050,7 +4050,7 @@ RTMP_ReadPacket(RTMP *r, RTMPPacket *packet)
             RTMP_Log(RTMP_LOGDEBUG, "%s, failed to allocate packet", __FUNCTION__);
             return FALSE;
         }
-        didAlloc = TRUE;
+        // didAlloc = TRUE;
         packet->m_headerType = (hbuf[0] & 0xc0) >> 6;
     }
 
@@ -5339,8 +5339,8 @@ stopKeyframeSearch:
 
     if (recopy)
     {
-        len = (unsigned int)(ret) > buflen ? buflen : ret;
-        memcpy(buf, r->m_read.buf, len);
+        len = (unsigned int)(ret) > buflen ? buflen : (unsigned int)ret;
+	memcpy(buf, r->m_read.buf, len);
         r->m_read.bufpos = r->m_read.buf + len;
         r->m_read.buflen = ret - len;
     }

plugins/obs-outputs/rtmp-stream.c

@@ -21,6 +21,7 @@
 #include <util/circlebuf.h>
 #include <util/dstr.h>
 #include <util/threading.h>
+#include <inttypes.h>
 #include "librtmp/rtmp.h"
 #include "librtmp/log.h"
 #include "flv-mux.h"
@@ -505,7 +506,7 @@ static void check_to_drop_frames(struct rtmp_stream *stream)
 	buffer_duration_usec = stream->last_dts_usec - first.dts_usec;
 	if (buffer_duration_usec > stream->drop_threshold_usec) {
 		drop_frames(stream);
-		blog(LOG_INFO, "dropping %lld worth of frames",
+		blog(LOG_INFO, "dropping %" PRId64 " worth of frames",
 				buffer_duration_usec);
 	}
 }