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| author | Guy Harris <guy@alum.mit.edu> | 2001-05-27 07:37:46 +0000 |
|---|---|---|
| committer | Guy Harris <guy@alum.mit.edu> | 2001-05-27 07:37:46 +0000 |
| commit | ddec2eb25b1fb535576da03b6a53c163de29a45f (patch) | |
| tree | 463e4a74b4e675516a4390b15565c37debd0ffd4 /packet-rtp.c | |
| parent | d2cd48b08684630c88ca38fefc3089afe17a7b8d (diff) | |
| download | wireshark-ddec2eb25b1fb535576da03b6a53c163de29a45f.tar.gz wireshark-ddec2eb25b1fb535576da03b6a53c163de29a45f.tar.bz2 wireshark-ddec2eb25b1fb535576da03b6a53c163de29a45f.zip | |
Call the H.261 dissector through a handle.
Set the reported length of the tvbuff we hand to the H.261 dissector.
svn path=/trunk/; revision=3464
Diffstat (limited to 'packet-rtp.c')
| -rw-r--r-- | packet-rtp.c | 35 |
1 files changed, 24 insertions, 11 deletions
diff --git a/packet-rtp.c b/packet-rtp.c index 62aec90502..6ae3c33150 100644 --- a/packet-rtp.c +++ b/packet-rtp.c @@ -7,7 +7,7 @@ * Written by Andreas Sikkema <andreas.sikkema@philips.com> * * Ethereal - Network traffic analyzer - * By Gerald Combs <gerald@zing.org> + * By Gerald Combs <gerald@ethereal.com> * Copyright 1998 Gerald Combs * * @@ -55,7 +55,6 @@ #include <string.h> #include "packet-rtp.h" -#include "packet-h261.h" #include "conversation.h" /* RTP header fields */ @@ -84,6 +83,8 @@ static gint ett_rtp = -1; static gint ett_csrc_list = -1; static gint ett_hdr_ext = -1; +static dissector_handle_t h261_handle; + /* * Fields in the first octet of the RTP header. */ @@ -273,18 +274,18 @@ dissect_rtp_heur( tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree ) return TRUE; } -void -dissect_rtp_data( tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_tree *rtp_tree, int offset, unsigned int data_len, unsigned int payload_type ) +static void +dissect_rtp_data( tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, + proto_tree *rtp_tree, int offset, unsigned int data_len, + unsigned int data_reported_len, unsigned int payload_type ) { tvbuff_t *newtvb; switch( payload_type ) { case PT_H261: - /* - * What does reported length DO? - */ - newtvb = tvb_new_subset( tvb, offset, data_len, -1 ); - dissect_h261(newtvb, pinfo, tree); + newtvb = tvb_new_subset( tvb, offset, data_len, + data_reported_len ); + call_dissector(h261_handle, newtvb, pinfo, tree); break; default: proto_tree_add_bytes( rtp_tree, hf_rtp_data, tvb, offset, data_len, tvb_get_ptr( tvb, offset, data_len ) ); @@ -426,7 +427,11 @@ dissect_rtp( tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree ) if ( padding_set ) { padding_count = tvb_get_guint8( tvb, tvb_length( tvb ) - 1 ); if ( padding_count > 0 ) { - dissect_rtp_data( tvb, pinfo, tree, rtp_tree, offset, tvb_length( tvb ) - padding_count, payload_type ); + dissect_rtp_data( tvb, pinfo, tree, rtp_tree, + offset, + tvb_length( tvb ) - padding_count, + tvb_reported_length( tvb ) - padding_count, + payload_type ); offset = tvb_length( tvb ) - padding_count; proto_tree_add_item( rtp_tree, hf_rtp_padding_data, tvb, offset, padding_count - 1, FALSE ); offset += padding_count - 1; @@ -437,7 +442,10 @@ dissect_rtp( tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree ) } } else { - dissect_rtp_data( tvb, pinfo, tree, rtp_tree, offset, tvb_length_remaining( tvb, offset ) - padding_count, payload_type ); + dissect_rtp_data( tvb, pinfo, tree, rtp_tree, offset, + tvb_length_remaining( tvb, offset ) - padding_count, + tvb_reported_length_remaining( tvb, offset ) - padding_count, + payload_type ); } } } @@ -663,6 +671,11 @@ void proto_reg_handoff_rtp(void) { /* + * Get handle for the H.261 dissector. + */ + h261_handle = find_dissector("h261"); + + /* * Register this dissector as one that can be assigned to a * UDP conversation. */ |