RTC: Refine payload NALU type parser

trunk/src/app/srs_app_rtc_source.cpp

@@ -1965,7 +1965,9 @@ void SrsRtcVideoRecvTrack::on_before_decode_payload(SrsRtpPacket2* pkt, SrsBuffe
         return;
     }
 
-    uint8_t v = (uint8_t)pkt->nalu_type;
+    uint8_t v = (uint8_t)(buf->head()[0] & kNalTypeMask);
+    pkt->nalu_type = SrsAvcNaluType(v);
+
     if (v == kStapA) {
         *ppayload = new SrsRtpSTAPPayload();
         *ppt = SrsRtpPacketPayloadTypeSTAP;

trunk/src/kernel/srs_kernel_rtc_rtp.cpp

@@ -1035,11 +1035,6 @@ srs_error_t SrsRtpPacket2::decode(SrsBuffer* buf)
     }
     buf->set_size(buf->size() - padding);
 
-    // Try to parse the NALU type for video decoder.
-    if (!buf->empty()) {
-        nalu_type = SrsAvcNaluType((uint8_t)(buf->head()[0] & kNalTypeMask));
-    }
-
     // TODO: FIXME: We should keep payload to NULL and return if buffer is empty.
     // If user set the decode handler, call it to set the payload.
     if (decode_handler) {