Merge commit 'f3449062'

* commit 'f3449062':
  rtpdec_hevc: Reduce indentation level by returning early on errors

Conflicts:
	libavformat/rtpdec_hevc.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>

libavformat/rtpdec_hevc.c

@@ -320,13 +320,27 @@ static int hevc_handle_packet(AVFormatContext *ctx, PayloadContext *rtp_hevc_ctx
         av_dlog(ctx, " FU type %d with %d bytes\n", fu_type, len);
 
         /* sanity check for size of input packet: 1 byte payload at least */
-        if (len > 0) {
+        if (len <= 0) {
+            if (len < 0) {
+                av_log(ctx, AV_LOG_ERROR,
+                       "Too short RTP/HEVC packet, got %d bytes of NAL unit type %d\n",
+                       len, nal_type);
+                return AVERROR_INVALIDDATA;
+            } else {
+                return AVERROR(EAGAIN);
+            }
+        }
+
+        if (first_fragment && last_fragment) {
+            av_log(ctx, AV_LOG_ERROR, "Illegal combination of S and E bit in RTP/HEVC packet\n");
+            return AVERROR_INVALIDDATA;
+        }
+
         new_nal_header[0] = (rtp_pl[0] & 0x81) | (fu_type << 1);
         new_nal_header[1] = rtp_pl[1];
 
         /* start fragment vs. subsequent fragments */
         if (first_fragment) {
-                if (!last_fragment) {
             /* create A/V packet which is big enough */
             if ((res = av_new_packet(pkt, sizeof(start_sequence) + sizeof(new_nal_header) + len)) < 0)
                 return res;
@@ -336,10 +350,6 @@ static int hevc_handle_packet(AVFormatContext *ctx, PayloadContext *rtp_hevc_ctx
             memcpy(pkt->data + sizeof(start_sequence), new_nal_header, sizeof(new_nal_header));
             /* A/V packet: copy NAL unit data */
             memcpy(pkt->data + sizeof(start_sequence) + sizeof(new_nal_header), buf, len);
-                } else {
-                    av_log(ctx, AV_LOG_ERROR, "Illegal combination of S and E bit in RTP/HEVC packet\n");
-                    res = AVERROR_INVALIDDATA;
-                }
         } else {
             /* create A/V packet */
             if ((res = av_new_packet(pkt, len)) < 0)
@@ -347,16 +357,6 @@ static int hevc_handle_packet(AVFormatContext *ctx, PayloadContext *rtp_hevc_ctx
             /* A/V packet: copy NAL unit data */
             memcpy(pkt->data, buf, len);
         }
-        } else {
-            if (len < 0) {
-                av_log(ctx, AV_LOG_ERROR,
-                       "Too short RTP/HEVC packet, got %d bytes of NAL unit type %d\n",
-                       len, nal_type);
-                res = AVERROR_INVALIDDATA;
-            } else {
-                res = AVERROR(EAGAIN);
-            }
-        }
 
         break;
     /* PACI packet */