/* packet-mp2t.c * * Routines for RFC 2250 MPEG2 (ISO/IEC 13818-1) Transport Stream dissection * * $Id$ * * Copyright 2006, Erwin Rol * * Wireshark - Network traffic analyzer * By Gerald Combs * Copyright 1998 Gerald Combs * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #ifdef HAVE_CONFIG_H # include "config.h" #endif #include #include #include #include #include /* The MPEG2 TS packet size */ #define MP2T_PACKET_SIZE 188 #define MP2T_SYNC_BYTE 0x47 static dissector_handle_t pes_handle; static int proto_mp2t = -1; static gint ett_mp2t = -1; static gint ett_mp2t_header = -1; static gint ett_mp2t_af = -1; static int hf_mp2t_header = -1; static int hf_mp2t_sync_byte = -1; static int hf_mp2t_tei = -1; static int hf_mp2t_pusi = -1; static int hf_mp2t_tp = -1; static int hf_mp2t_pid = -1; static int hf_mp2t_tsc = -1; static int hf_mp2t_afc = -1; static int hf_mp2t_cc = -1; #define MP2T_SYNC_BYTE_MASK 0xFF000000 #define MP2T_TEI_MASK 0x00800000 #define MP2T_PUSI_MASK 0x00400000 #define MP2T_TP_MASK 0x00200000 #define MP2T_PID_MASK 0x001FFF00 #define MP2T_TSC_MASK 0x000000C0 #define MP2T_AFC_MASK 0x00000030 #define MP2T_CC_MASK 0x0000000F #define MP2T_SYNC_BYTE_SHIFT 24 #define MP2T_TEI_SHIFT 23 #define MP2T_PUSI_SHIFT 22 #define MP2T_TP_SHIFT 21 #define MP2T_PID_SHIFT 8 #define MP2T_TSC_SHIFT 6 #define MP2T_AFC_SHIFT 4 #define MP2T_CC_SHIFT 0 static int hf_mp2t_af = -1; static int hf_mp2t_af_length = -1; static int hf_mp2t_af_di = -1; static int hf_mp2t_af_rai = -1; static int hf_mp2t_af_espi = -1; static int hf_mp2t_af_pcr_flag = -1; static int hf_mp2t_af_opcr_flag = -1; static int hf_mp2t_af_sp_flag = -1; static int hf_mp2t_af_tpd_flag = -1; static int hf_mp2t_af_afe_flag = -1; #define MP2T_AF_DI_MASK 0x80 #define MP2T_AF_RAI_MASK 0x40 #define MP2T_AF_ESPI_MASK 0x20 #define MP2T_AF_PCR_MASK 0x10 #define MP2T_AF_OPCR_MASK 0x08 #define MP2T_AF_SP_MASK 0x04 #define MP2T_AF_TPD_MASK 0x02 #define MP2T_AF_AFE_MASK 0x01 #define MP2T_AF_DI_SHIFT 7 #define MP2T_AF_RAI_SHIFT 6 #define MP2T_AF_ESPI_SHIFT 5 #define MP2T_AF_PCR_SHIFT 4 #define MP2T_AF_OPCR_SHIFT 3 #define MP2T_AF_SP_SHIFT 2 #define MP2T_AF_TPD_SHIFT 1 #define MP2T_AF_AFE_SHIFT 0 static int hf_mp2t_af_pcr = -1; static int hf_mp2t_af_opcr = -1; static int hf_mp2t_af_sc = -1; static int hf_mp2t_af_tpd_length = -1; static int hf_mp2t_af_tpd = -1; static int hf_mp2t_af_e_length = -1; static int hf_mp2t_af_e_ltw_flag = -1; static int hf_mp2t_af_e_pr_flag = -1; static int hf_mp2t_af_e_ss_flag = -1; static int hf_mp2t_af_e_reserved = -1; #define MP2T_AF_E_LTW_FLAG_MASK 0x80 #define MP2T_AF_E_PR_FLAG_MASK 0x40 #define MP2T_AF_E_SS_FLAG_MASK 0x20 static int hf_mp2t_af_e_reserved_bytes = -1; static int hf_mp2t_af_stuffing_bytes = -1; static int hf_mp2t_af_e_ltwv_flag = -1; static int hf_mp2t_af_e_ltwo = -1; static int hf_mp2t_af_e_pr_reserved = -1; static int hf_mp2t_af_e_pr = -1; static int hf_mp2t_af_e_st = -1; static int hf_mp2t_af_e_dnau_32_30 = -1; static int hf_mp2t_af_e_m_1 = -1; static int hf_mp2t_af_e_dnau_29_15 = -1; static int hf_mp2t_af_e_m_2 = -1; static int hf_mp2t_af_e_dnau_14_0 = -1; static int hf_mp2t_af_e_m_3 = -1; static int hf_mp2t_payload = -1; static int hf_mp2t_malformed_payload = -1; static const value_string mp2t_sync_byte_vals[] = { { MP2T_SYNC_BYTE, "Correct" }, { 0, NULL } }; static const value_string mp2t_pid_vals[] = { { 0x0000, "Program Association Table" }, { 0x0001, "Conditional Access Table" }, { 0x0002, "Transport Stream Description Table" }, { 0x0003, "Reserved" }, { 0x0004, "Reserved" }, { 0x0005, "Reserved" }, { 0x0006, "Reserved" }, { 0x0007, "Reserved" }, { 0x0008, "Reserved" }, { 0x0009, "Reserved" }, { 0x000A, "Reserved" }, { 0x000B, "Reserved" }, { 0x000C, "Reserved" }, { 0x000D, "Reserved" }, { 0x000E, "Reserved" }, { 0x000F, "Reserved" }, { 0x1FFF, "Null packet" }, { 0, NULL } }; static const value_string mp2t_tsc_vals[] = { { 0, "Not scrambled" }, { 1, "User-defined" }, { 2, "User-defined" }, { 3, "User-defined" }, { 0, NULL } }; static const value_string mp2t_afc_vals[] = { { 0, "Reserved" }, { 1, "Payload only" }, { 2, "Adaptation Field only" }, { 3, "Adaptation Field and Payload" }, { 0, NULL } }; static gint dissect_tsp( tvbuff_t *tvb, gint offset, packet_info *pinfo _U_, proto_tree *tree ) { guint32 header; guint afc; gint start_offset = offset; gint payload_len; proto_item *ti = NULL; proto_item *hi = NULL; proto_tree *mp2t_tree = NULL; proto_tree *mp2t_header_tree = NULL; proto_tree *mp2t_af_tree = NULL; ti = proto_tree_add_item( tree, proto_mp2t, tvb, offset, MP2T_PACKET_SIZE, FALSE ); mp2t_tree = proto_item_add_subtree( ti, ett_mp2t ); header = tvb_get_ntohl(tvb, offset); proto_item_append_text(ti, " PID=0x%x CC=%d", (header & MP2T_PID_MASK) >> MP2T_PID_SHIFT, (header & MP2T_CC_MASK) >> MP2T_CC_SHIFT ); hi = proto_tree_add_item( mp2t_tree, hf_mp2t_header, tvb, offset, 4, FALSE); mp2t_header_tree = proto_item_add_subtree( hi, ett_mp2t_header ); proto_tree_add_item( mp2t_header_tree, hf_mp2t_sync_byte, tvb, offset, 4, FALSE); proto_tree_add_item( mp2t_header_tree, hf_mp2t_tei, tvb, offset, 4, FALSE); proto_tree_add_item( mp2t_header_tree, hf_mp2t_pusi, tvb, offset, 4, FALSE); proto_tree_add_item( mp2t_header_tree, hf_mp2t_tp, tvb, offset, 4, FALSE); proto_tree_add_item( mp2t_header_tree, hf_mp2t_pid, tvb, offset, 4, FALSE); proto_tree_add_item( mp2t_header_tree, hf_mp2t_tsc, tvb, offset, 4, FALSE); proto_tree_add_item( mp2t_header_tree, hf_mp2t_afc, tvb, offset, 4, FALSE); proto_tree_add_item( mp2t_header_tree, hf_mp2t_cc, tvb, offset, 4, FALSE); offset += 4; afc = (header & MP2T_AFC_MASK) >> MP2T_AFC_SHIFT; if (afc == 2 || afc == 3) { gint af_start_offset = offset; guint8 af_length; guint8 af_flags; gint stuffing_len; af_length = tvb_get_guint8(tvb, offset); proto_tree_add_item( mp2t_tree, hf_mp2t_af_length, tvb, offset, 1, FALSE); offset += 1; hi = proto_tree_add_item( mp2t_tree, hf_mp2t_af, tvb, offset, af_length, FALSE); mp2t_af_tree = proto_item_add_subtree( hi, ett_mp2t_af ); af_flags = tvb_get_guint8(tvb, offset); proto_tree_add_item( mp2t_af_tree, hf_mp2t_af_di, tvb, offset, 1, FALSE); proto_tree_add_item( mp2t_af_tree, hf_mp2t_af_rai, tvb, offset, 1, FALSE); proto_tree_add_item( mp2t_af_tree, hf_mp2t_af_espi, tvb, offset, 1, FALSE); proto_tree_add_item( mp2t_af_tree, hf_mp2t_af_pcr_flag, tvb, offset, 1, FALSE); proto_tree_add_item( mp2t_af_tree, hf_mp2t_af_opcr_flag, tvb, offset, 1, FALSE); proto_tree_add_item( mp2t_af_tree, hf_mp2t_af_sp_flag, tvb, offset, 1, FALSE); proto_tree_add_item( mp2t_af_tree, hf_mp2t_af_tpd_flag, tvb, offset, 1, FALSE); proto_tree_add_item( mp2t_af_tree, hf_mp2t_af_afe_flag, tvb, offset, 1, FALSE); offset += 1; if (af_flags & MP2T_AF_PCR_MASK) { guint64 pcr_base = 0; guint32 pcr_ext = 0; guint8 tmp; tmp = tvb_get_guint8(tvb, offset); pcr_base = (pcr_base << 8) | tmp; offset += 1; tmp = tvb_get_guint8(tvb, offset); pcr_base = (pcr_base << 8) | tmp; offset += 1; tmp = tvb_get_guint8(tvb, offset); pcr_base = (pcr_base << 8) | tmp; offset += 1; tmp = tvb_get_guint8(tvb, offset); pcr_base = (pcr_base << 8) | tmp; offset += 1; tmp = tvb_get_guint8(tvb, offset); pcr_base = (pcr_base << 1) | ((tmp >> 7) & 0x01); pcr_ext = (tmp & 0x01); offset += 1; tmp = tvb_get_guint8(tvb, offset); pcr_ext = (pcr_ext << 8) | tmp; offset += 1; proto_tree_add_none_format(mp2t_af_tree, hf_mp2t_af_pcr, tvb, offset - 6, 6, "Program Clock Reference: base(%" G_GINT64_MODIFIER "u) * 300 + ext(%u) = %" G_GINT64_MODIFIER "u", pcr_base, pcr_ext, pcr_base * 300 + pcr_ext); } if (af_flags & MP2T_AF_OPCR_MASK) { guint64 opcr_base = 0; guint32 opcr_ext = 0; guint8 tmp = 0; tmp = tvb_get_guint8(tvb, offset); opcr_base = (opcr_base << 8) | tmp; offset += 1; tmp = tvb_get_guint8(tvb, offset); opcr_base = (opcr_base << 8) | tmp; offset += 1; tmp = tvb_get_guint8(tvb, offset); opcr_base = (opcr_base << 8) | tmp; offset += 1; tmp = tvb_get_guint8(tvb, offset); opcr_base = (opcr_base << 8) | tmp; offset += 1; tmp = tvb_get_guint8(tvb, offset); opcr_base = (opcr_base << 1) | ((tmp >> 7) & 0x01); opcr_ext = (tmp & 0x01); offset += 1; tmp = tvb_get_guint8(tvb, offset); opcr_ext = (opcr_ext << 8) | tmp; offset += 1; proto_tree_add_none_format(mp2t_af_tree, hf_mp2t_af_opcr, tvb, offset - 6, 6, "Original Program Clock Reference: base(%" G_GINT64_MODIFIER "u) * 300 + ext(%u) = %" G_GINT64_MODIFIER "u", opcr_base, opcr_ext, opcr_base * 300 + opcr_ext); offset += 6; } if (af_flags & MP2T_AF_SP_MASK) { proto_tree_add_item( mp2t_af_tree, hf_mp2t_af_sc, tvb, offset, 1, FALSE); offset += 1; } if (af_flags & MP2T_AF_TPD_MASK) { guint8 tpd_len; tpd_len = tvb_get_guint8(tvb, offset); proto_tree_add_item( mp2t_af_tree, hf_mp2t_af_tpd_length, tvb, offset, 1, FALSE); offset += 1; proto_tree_add_item( mp2t_af_tree, hf_mp2t_af_tpd, tvb, offset, tpd_len, FALSE); offset += tpd_len; } if (af_flags & MP2T_AF_AFE_MASK) { guint8 e_len; guint8 e_flags; gint e_start_offset = offset; gint reserved_len = 0; e_len = tvb_get_guint8(tvb, offset); proto_tree_add_item( mp2t_af_tree, hf_mp2t_af_e_length, tvb, offset, 1, FALSE); offset += 1; e_flags = tvb_get_guint8(tvb, offset); proto_tree_add_item( mp2t_af_tree, hf_mp2t_af_e_ltw_flag, tvb, offset, 1, FALSE); proto_tree_add_item( mp2t_af_tree, hf_mp2t_af_e_pr_flag, tvb, offset, 1, FALSE); proto_tree_add_item( mp2t_af_tree, hf_mp2t_af_e_ss_flag, tvb, offset, 1, FALSE); proto_tree_add_item( mp2t_af_tree, hf_mp2t_af_e_reserved, tvb, offset, 1, FALSE); offset += 1; if (e_flags & MP2T_AF_E_LTW_FLAG_MASK) { proto_tree_add_item( mp2t_af_tree, hf_mp2t_af_e_ltwv_flag, tvb, offset, 2, FALSE); proto_tree_add_item( mp2t_af_tree, hf_mp2t_af_e_ltwo, tvb, offset, 2, FALSE); offset += 2; } if (e_flags & MP2T_AF_E_PR_FLAG_MASK) { proto_tree_add_item( mp2t_af_tree, hf_mp2t_af_e_pr_reserved, tvb, offset, 3, FALSE); proto_tree_add_item( mp2t_af_tree, hf_mp2t_af_e_pr, tvb, offset, 3, FALSE); offset += 3; } if (e_flags & MP2T_AF_E_SS_FLAG_MASK) { proto_tree_add_item( mp2t_af_tree, hf_mp2t_af_e_st, tvb, offset, 1, FALSE); proto_tree_add_item( mp2t_af_tree, hf_mp2t_af_e_dnau_32_30, tvb, offset, 1, FALSE); proto_tree_add_item( mp2t_af_tree, hf_mp2t_af_e_m_1, tvb, offset, 1, FALSE); offset += 1; proto_tree_add_item( mp2t_af_tree, hf_mp2t_af_e_dnau_29_15, tvb, offset, 2, FALSE); proto_tree_add_item( mp2t_af_tree, hf_mp2t_af_e_m_2, tvb, offset, 2, FALSE); offset += 2; proto_tree_add_item( mp2t_af_tree, hf_mp2t_af_e_dnau_14_0, tvb, offset, 2, FALSE); proto_tree_add_item( mp2t_af_tree, hf_mp2t_af_e_m_3, tvb, offset, 2, FALSE); offset += 2; } reserved_len = (e_len + 1) - (offset - e_start_offset); if (reserved_len > 0) { proto_tree_add_item( mp2t_af_tree, hf_mp2t_af_e_reserved_bytes, tvb, offset, reserved_len, FALSE); offset += reserved_len; } } stuffing_len = (af_length + 1) - (offset - af_start_offset); if (stuffing_len > 0) { proto_tree_add_item( mp2t_af_tree, hf_mp2t_af_stuffing_bytes, tvb, offset, stuffing_len, FALSE); offset += stuffing_len; } } payload_len = MP2T_PACKET_SIZE - (offset - start_offset); if (payload_len > 0) { if (afc == 2) { /* AF only */ /* Packet is malformed */ proto_tree_add_item( mp2t_tree, hf_mp2t_malformed_payload, tvb, offset, payload_len, FALSE); offset += payload_len; } else { if (tvb_get_ntoh24(tvb, offset) == 0x000001) { tvbuff_t *next_tvb = tvb_new_subset(tvb, offset, payload_len, payload_len); call_dissector(pes_handle, next_tvb, pinfo, mp2t_tree); } else proto_tree_add_item( mp2t_tree, hf_mp2t_payload, tvb, offset, payload_len, FALSE); offset += payload_len; } } return offset; } static void dissect_mp2t( tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree ) { guint offset = 0; if (tree) { while ( tvb_reported_length_remaining(tvb, offset) >= MP2T_PACKET_SIZE ) { offset = dissect_tsp( tvb, offset, pinfo, tree); } } } static gboolean heur_dissect_mp2t( tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree ) { guint offset = 0; if (tvb_length_remaining(tvb, offset) % MP2T_PACKET_SIZE) { return FALSE; } else { while (tvb_length_remaining(tvb, offset)) { if (tvb_get_guint8(tvb, offset) != MP2T_SYNC_BYTE) return FALSE; offset += MP2T_PACKET_SIZE; } } dissect_mp2t(tvb, pinfo, tree); return TRUE; } void proto_register_mp2t(void) { static hf_register_info hf[] = { { &hf_mp2t_header, { "Header", "mp2t.header", FT_UINT32, BASE_HEX, NULL, 0, NULL, HFILL } } , { &hf_mp2t_sync_byte, { "Sync Byte", "mp2t.sync_byte", FT_UINT32, BASE_HEX, VALS(mp2t_sync_byte_vals), MP2T_SYNC_BYTE_MASK, NULL, HFILL } } , { &hf_mp2t_tei, { "Transport Error Indicator", "mp2t.tei", FT_UINT32, BASE_DEC, NULL, MP2T_TEI_MASK, NULL, HFILL } } , { &hf_mp2t_pusi, { "Payload Unit Start Indicator", "mp2t.pusi", FT_UINT32, BASE_DEC, NULL, MP2T_PUSI_MASK, NULL, HFILL } } , { &hf_mp2t_tp, { "Transport Priority", "mp2t.tp", FT_UINT32, BASE_DEC, NULL, MP2T_TP_MASK, NULL, HFILL } } , { &hf_mp2t_pid, { "PID", "mp2t.pid", FT_UINT32, BASE_HEX, VALS(mp2t_pid_vals), MP2T_PID_MASK, NULL, HFILL } } , { &hf_mp2t_tsc, { "Transport Scrambling Control", "mp2t.tsc", FT_UINT32, BASE_HEX, VALS(mp2t_tsc_vals), MP2T_TSC_MASK, NULL, HFILL } } , { &hf_mp2t_afc, { "Adaption Field Control", "mp2t.afc", FT_UINT32, BASE_HEX, VALS(mp2t_afc_vals) , MP2T_AFC_MASK, NULL, HFILL } } , { &hf_mp2t_cc, { "Continuity Counter", "mp2t.cc", FT_UINT32, BASE_DEC, NULL, MP2T_CC_MASK, NULL, HFILL } } , { &hf_mp2t_af, { "Adaption field", "mp2t.af", FT_NONE, BASE_HEX, NULL, 0, NULL, HFILL } } , { &hf_mp2t_af_length, { "Adaptation Field Length", "mp2t.af.length", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL } } , { &hf_mp2t_af_di, { "Discontinuity Indicator", "mp2t.af.di", FT_UINT8, BASE_DEC, NULL, MP2T_AF_DI_MASK, NULL, HFILL } } , { &hf_mp2t_af_rai, { "Random Access Indicator", "mp2t.af.rai", FT_UINT8, BASE_DEC, NULL, MP2T_AF_RAI_MASK, NULL, HFILL } } , { &hf_mp2t_af_espi, { "Elementary Stream Priority Indicator", "mp2t.af.espi", FT_UINT8, BASE_DEC, NULL, MP2T_AF_ESPI_MASK, NULL, HFILL } } , { &hf_mp2t_af_pcr_flag, { "PCR Flag", "mp2t.af.pcr_flag", FT_UINT8, BASE_DEC, NULL, MP2T_AF_PCR_MASK, NULL, HFILL } } , { &hf_mp2t_af_opcr_flag, { "OPCR Flag", "mp2t.af.opcr_flag", FT_UINT8, BASE_DEC, NULL, MP2T_AF_OPCR_MASK, NULL, HFILL } } , { &hf_mp2t_af_sp_flag, { "Splicing Point Flag", "mp2t.af.sp_flag", FT_UINT8, BASE_DEC, NULL, MP2T_AF_SP_MASK, NULL, HFILL } } , { &hf_mp2t_af_tpd_flag, { "Transport Private Data Flag", "mp2t.af.tpd_flag", FT_UINT8, BASE_DEC, NULL, MP2T_AF_TPD_MASK, NULL, HFILL } } , { &hf_mp2t_af_afe_flag, { "Adaptation Field Extension Flag", "mp2t.af.afe_flag", FT_UINT8, BASE_DEC, NULL, MP2T_AF_AFE_MASK, NULL, HFILL } } , { &hf_mp2t_af_pcr, { "Program Clock Reference", "mp2t.af.pcr", FT_NONE, BASE_DEC, NULL, 0, NULL, HFILL } } , { &hf_mp2t_af_opcr, { "Original Program Clock Reference", "mp2t.af.opcr", FT_NONE, BASE_DEC, NULL, 0, NULL, HFILL } } , { &hf_mp2t_af_sc, { "Splice Countdown", "mp2t.af.sc", FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL } } , { &hf_mp2t_af_tpd_length, { "Transport Private Data Length", "mp2t.af.tpd_length", FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL } } , { &hf_mp2t_af_tpd, { "Transport Private Data", "mp2t.af.tpd", FT_BYTES, BASE_DEC, NULL, 0, NULL, HFILL } } , { &hf_mp2t_af_e_length, { "Adaptation Field Extension Length", "mp2t.af.e_length", FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL } } , { &hf_mp2t_af_e_ltw_flag, { "LTW Flag", "mp2t.af.e.ltw_flag", FT_UINT8, BASE_DEC, NULL, MP2T_AF_E_LTW_FLAG_MASK, NULL, HFILL } } , { &hf_mp2t_af_e_pr_flag, { "Piecewise Rate Flag", "mp2t.af.e.pr_flag", FT_UINT8, BASE_DEC, NULL, MP2T_AF_E_PR_FLAG_MASK, NULL, HFILL } } , { &hf_mp2t_af_e_ss_flag, { "Seamless Splice Flag", "mp2t.af.e.ss_flag", FT_UINT8, BASE_DEC, NULL, MP2T_AF_E_SS_FLAG_MASK, NULL, HFILL } } , { &hf_mp2t_af_e_reserved, { "Reserved", "mp2t.af.e.reserved", FT_UINT8, BASE_DEC, NULL, 0x1F, NULL, HFILL } } , { &hf_mp2t_af_e_reserved_bytes, { "Reserved", "mp2t.af.e.reserved_bytes", FT_BYTES, BASE_DEC, NULL, 0x0, NULL, HFILL } } , { &hf_mp2t_af_stuffing_bytes, { "Stuffing", "mp2t.af.stuffing_bytes", FT_BYTES, BASE_DEC, NULL, 0x0, NULL, HFILL } } , { &hf_mp2t_af_e_ltwv_flag, { "LTW Valid Flag", "mp2t.af.e.ltwv_flag", FT_UINT16, BASE_DEC, NULL, 0x8000, NULL, HFILL } } , { &hf_mp2t_af_e_ltwo, { "LTW Offset", "mp2t.af.e.ltwo", FT_UINT16, BASE_DEC, NULL, 0x7FFF, NULL, HFILL } } , { &hf_mp2t_af_e_pr_reserved, { "Reserved", "mp2t.af.e.pr_reserved", FT_UINT24, BASE_DEC, NULL, 0xC00000, NULL, HFILL } } , { &hf_mp2t_af_e_pr, { "Piecewise Rate", "mp2t.af.e.pr", FT_UINT24, BASE_DEC, NULL, 0x3FFFFF, NULL, HFILL } } , { &hf_mp2t_af_e_st, { "Splice Type", "mp2t.af.e.st", FT_UINT8, BASE_DEC, NULL, 0xF0, NULL, HFILL } } , { &hf_mp2t_af_e_dnau_32_30, { "DTS Next AU[32...30]", "mp2t.af.e.dnau_32_30", FT_UINT8, BASE_DEC, NULL, 0x0E, NULL, HFILL } } , { &hf_mp2t_af_e_m_1, { "Marker Bit", "mp2t.af.e.m_1", FT_UINT8, BASE_DEC, NULL, 0x01, NULL, HFILL } } , { &hf_mp2t_af_e_dnau_29_15, { "DTS Next AU[29...15]", "mp2t.af.e.dnau_29_15", FT_UINT16, BASE_DEC, NULL, 0xFFFE, NULL, HFILL } } , { &hf_mp2t_af_e_m_2, { "Marker Bit", "mp2t.af.e.m_2", FT_UINT16, BASE_DEC, NULL, 0x0001, NULL, HFILL } } , { &hf_mp2t_af_e_dnau_14_0, { "DTS Next AU[14...0]", "mp2t.af.e.dnau_14_0", FT_UINT16, BASE_DEC, NULL, 0xFFFE, NULL, HFILL } } , { &hf_mp2t_af_e_m_3, { "Marker Bit", "mp2t.af.e.m_3", FT_UINT16, BASE_DEC, NULL, 0x0001, NULL, HFILL } } , { &hf_mp2t_payload, { "Payload", "mp2t.payload", FT_BYTES, BASE_DEC, NULL, 0x0, NULL, HFILL } } , { &hf_mp2t_malformed_payload, { "Malformed Payload", "mp2t.malformed_payload", FT_BYTES, BASE_DEC, NULL, 0x0, NULL, HFILL } } }; static gint *ett[] = { &ett_mp2t, &ett_mp2t_header, &ett_mp2t_af }; proto_mp2t = proto_register_protocol("ISO/IEC 13818-1", "MP2T", "mp2t"); proto_register_field_array(proto_mp2t, hf, array_length(hf)); proto_register_subtree_array(ett, array_length(ett)); } void proto_reg_handoff_mp2t(void) { dissector_handle_t mp2t_handle; heur_dissector_add("udp", heur_dissect_mp2t, proto_mp2t); mp2t_handle = create_dissector_handle(dissect_mp2t, proto_mp2t); dissector_add("rtp.pt", PT_MP2T, mp2t_handle); dissector_add("udp.port", 0, mp2t_handle); pes_handle = find_dissector("mpeg-pes"); }