diff options
author | Ronnie Sahlberg <ronnie_sahlberg@ozemail.com.au> | 2007-03-22 11:43:07 +0000 |
---|---|---|
committer | Ronnie Sahlberg <ronnie_sahlberg@ozemail.com.au> | 2007-03-22 11:43:07 +0000 |
commit | d824fb2979ec0ce42987196c0d4a731385144b82 (patch) | |
tree | 78cbb38d1b241ae98f8a14392c3b81183932f960 | |
parent | 80525da7dba92965334968775bcc7b8f3cde0b04 (diff) |
From Shaun J
Dissectors for MPEG streams
svn path=/trunk/; revision=21114
-rw-r--r-- | asn1/Makefile.am | 7 | ||||
-rw-r--r-- | asn1/mpeg/Makefile | 16 | ||||
-rw-r--r-- | asn1/mpeg/mpeg-audio-exp.cnf | 12 | ||||
-rw-r--r-- | asn1/mpeg/mpeg-audio.asn | 75 | ||||
-rw-r--r-- | asn1/mpeg/mpeg-audio.cnf | 13 | ||||
-rw-r--r-- | asn1/mpeg/mpeg-pes-exp.cnf | 12 | ||||
-rw-r--r-- | asn1/mpeg/mpeg-pes.asn | 135 | ||||
-rw-r--r-- | asn1/mpeg/mpeg-pes.cnf | 10 | ||||
-rw-r--r-- | asn1/mpeg/packet-mpeg-audio-template.c | 210 | ||||
-rw-r--r-- | asn1/mpeg/packet-mpeg-pes-template.c | 295 | ||||
-rw-r--r-- | epan/dissectors/Makefile.common | 2 | ||||
-rw-r--r-- | epan/dissectors/packet-mpeg-audio.c | 722 | ||||
-rw-r--r-- | epan/dissectors/packet-mpeg-pes.c | 1102 |
13 files changed, 2611 insertions, 0 deletions
diff --git a/asn1/Makefile.am b/asn1/Makefile.am index f90d290cf3..8aee222876 100644 --- a/asn1/Makefile.am +++ b/asn1/Makefile.am @@ -203,6 +203,13 @@ EXTRA_DIST = \ mms/mms-exp.cnf \ mms/packet-mms-template.c \ mms/packet-mms-template.h \ + mpeg/Makefile \ + mpeg/mpeg-audio.asn \ + mpeg/mpeg-audio.cnf \ + mpeg/mpeg-pes.asn \ + mpeg/mpeg-pes.cnf \ + mpeg/packet-mpeg-audio-template.c \ + mpeg/packet-mpeg-pes-template.c \ nbap/Makefile \ nbap/Makefile.nmake \ nbap/nbap.asn \ diff --git a/asn1/mpeg/Makefile b/asn1/mpeg/Makefile new file mode 100644 index 0000000000..28d92eb7c1 --- /dev/null +++ b/asn1/mpeg/Makefile @@ -0,0 +1,16 @@ +# $Id$ + +DISSECTOR_FILES=packet-mpeg-audio.c packet-mpeg-pes.c + +all: $(DISSECTOR_FILES) + +clean: + rm -f parsetab.py parsetab.pyc $(DISSECTOR_FILES) + +copy_files: all + cp $(DISSECTOR_FILES) ../../epan/dissectors + +.PHONY: all clean copy_files + +packet-%.c: ../../tools/asn2wrs.py %.asn %.cnf packet-%-template.c + python ../../tools/asn2wrs.py -e -p $* -c $*.cnf -s packet-$*-template $*.asn diff --git a/asn1/mpeg/mpeg-audio-exp.cnf b/asn1/mpeg/mpeg-audio-exp.cnf new file mode 100644 index 0000000000..156638170a --- /dev/null +++ b/asn1/mpeg/mpeg-audio-exp.cnf @@ -0,0 +1,12 @@ +# Do not modify this file. +# It is created automatically by the ASN.1 to Wireshark dissector compiler +# ./mpeg-audio-exp.cnf +# ../../tools/asn2wrs.py -e -p mpeg-audio -c mpeg-audio.cnf -s packet-mpeg-audio-template mpeg-audio.asn + +#.MODULE +MPEG mpeg-audio +#.END + +#.TYPE_ATTR +#.END + diff --git a/asn1/mpeg/mpeg-audio.asn b/asn1/mpeg/mpeg-audio.asn new file mode 100644 index 0000000000..3412ac4420 --- /dev/null +++ b/asn1/mpeg/mpeg-audio.asn @@ -0,0 +1,75 @@ +-- ASN description of MPEG Audio +-- Written by Shaun Jackman <sjackman@gmail.com> +-- Copyright 2007 Shaun Jackman +-- +-- This program is free software; you can redistribute it and/or +-- modify it under the terms of the GNU General Public License. + +MPEG DEFINITIONS ::= BEGIN + +Audio ::= SEQUENCE { + sync BIT STRING (SIZE (11)), + version ENUMERATED + { mpeg-2-5(0), reserved(1), mpeg-2(2), mpeg-1(3) }, + layer ENUMERATED + { reserved(0), layer-3(1), layer-2(2), layer-1(3) }, + protection ENUMERATED { crc(0), none(1) }, + bitrate INTEGER (0..15), + frequency INTEGER (0..3), + padding BOOLEAN, + private BOOLEAN, + channel-mode ENUMERATED + { stereo(0), joint-stereo(1), dual-channel(2), single-channel(3) }, + mode-extension INTEGER (0..3), + copyright BOOLEAN, + original BOOLEAN, + emphasis ENUMERATED + { none(0), em-50-15-ms(1), reserved(2), ccit-j-17(3) } +} + +ID3v1 ::= SEQUENCE { + tag OCTET STRING (SIZE (3)), + title OCTET STRING (SIZE (30)), + artist OCTET STRING (SIZE (30)), + album OCTET STRING (SIZE (30)), + year OCTET STRING (SIZE (4)), + comment OCTET STRING (SIZE (28)), + must-be-zero INTEGER (0..255), + track INTEGER (0..255), + genre INTEGER { + blues(0), classic-rock(1), country(2), dance(3), disco(4), + funk(5), grunge(6), hip-hop(7), jazz(8), metal(9), + new-age(10), oldies(11), other(12), pop(13), r-and-b(14), + rap(15), reggae(16), rock(17), techno(18), industrial(19), + alternative(20), ska(21), death-metal(22), pranks(23), + soundtrack(24), euro-techno(25), ambient(26), trip-hop(27), + vocal(28), jazz-and-funk(29), fusion(30), trance(31), + classical(32), instrumental(33), acid(34), house(35), + game(36), sound-clip(37), gospel(38), noise(39), + alternative-rock(40), bass(41), soul(42), punk(43), space(44), + meditative(45), instrumental-pop(46), instrumental-rock(47), + ethnic(48), gothic(49), darkwave(50), techno-industrial(51), + electronic(52), pop-folk(53), eurodance(54), dream(55), + southern-rock(56), comedy(57), cult(58), gangsta(59), + top-40(60), christian-rap(61), pop-funk(62), jungle(63), + native-american(64), cabaret(65), new-wave(66), + psychadelic(67), rave(68), showtunes(69), trailer(70), + lo-fi(71), tribal(72), acid-punk(73), acid-jazz(74), + polka(75), retro(76), musical(77), rock-and-roll(78), + hard-rock(79), folk(80), folk-rock(81), national-folk(82), + swing(83), fast-fusion(84), bebob(85), latin(86), revival(87), + celtic(88), bluegrass(89), avantgarde(90), gothic-rock(91), + progressive-rock(92), psychedelic-rock(93), + symphonic-rock(94), slow-rock(95), big-band(96), chorus(97), + easy-listening(98), acoustic(99), humour(100), speech(101), + chanson(102), opera(103), chamber-music(104), sonata(105), + symphony(106), booty-bass(107), primus(108), porn-groove(109), + satire(110), slow-jam(111), club(112), tango(113), samba(114), + folklore(115), ballad(116), power-ballad(117), + rhythmic-soul(118), freestyle(119), duet(120), punk-rock(121), + drum-solo(122), a-cappella(123), euro-house(124), + dance-hall(125) + } (0..255) +} + +END diff --git a/asn1/mpeg/mpeg-audio.cnf b/asn1/mpeg/mpeg-audio.cnf new file mode 100644 index 0000000000..c212f84b67 --- /dev/null +++ b/asn1/mpeg/mpeg-audio.cnf @@ -0,0 +1,13 @@ +# mpeg-audio.cnf +# mpeg-audio conformation file +# +# $Id$ + +#.TYPE_ATTR +ID3v1/tag TYPE=FT_STRING +ID3v1/title TYPE=FT_STRING +ID3v1/artist TYPE=FT_STRING +ID3v1/album TYPE=FT_STRING +ID3v1/year TYPE=FT_STRING +ID3v1/comment TYPE=FT_STRING +#.END diff --git a/asn1/mpeg/mpeg-pes-exp.cnf b/asn1/mpeg/mpeg-pes-exp.cnf new file mode 100644 index 0000000000..1045773ddf --- /dev/null +++ b/asn1/mpeg/mpeg-pes-exp.cnf @@ -0,0 +1,12 @@ +# Do not modify this file. +# It is created automatically by the ASN.1 to Wireshark dissector compiler +# ./mpeg-pes-exp.cnf +# ../../tools/asn2wrs.py -e -p mpeg-pes -c mpeg-pes.cnf -s packet-mpeg-pes-template mpeg-pes.asn + +#.MODULE +MPEG mpeg-pes +#.END + +#.TYPE_ATTR +#.END + diff --git a/asn1/mpeg/mpeg-pes.asn b/asn1/mpeg/mpeg-pes.asn new file mode 100644 index 0000000000..7e9b70aa76 --- /dev/null +++ b/asn1/mpeg/mpeg-pes.asn @@ -0,0 +1,135 @@ +-- ASN description of MPEG Packetized Elementary Stream (PES) +-- Written by Shaun Jackman <sjackman@gmail.com> +-- Copyright 2007 Shaun Jackman +-- +-- This program is free software; you can redistribute it and/or +-- modify it under the terms of the GNU General Public License. + +MPEG DEFINITIONS ::= BEGIN + +PES ::= SEQUENCE { + prefix OCTET STRING (SIZE (3)), + stream INTEGER { + picture (0), + sequence-header (179), + sequence-header-extension (181), + group-of-pictures (184), + program-end (185), + pack-header (186), + system-header (187), + program-stream-map (188), + private-stream-1 (189), + padding-stream (190), + private-stream-2 (191), + audio-stream (192), + video-stream (224) + } (0..255) +} + +Pack ::= SEQUENCE { + must-be-zero BOOLEAN, + must-be-one0 BOOLEAN, + scr30 BIT STRING (SIZE (3)), + must-be-one1 BOOLEAN, + scr15 BIT STRING (SIZE (15)), + must-be-one2 BOOLEAN, + scr0 BIT STRING (SIZE (15)), + must-be-one3 BOOLEAN, + scr-ext BIT STRING (SIZE (9)), + must-be-one4 BOOLEAN, + program-mux-rate BIT STRING (SIZE (22)), + must-be-one5 BOOLEAN, + must-be-one6 BOOLEAN, + reserved BIT STRING (SIZE (5)), + stuffing-length INTEGER (0..7) +} + +Stream ::= SEQUENCE { + length INTEGER (0..65535), + must-be-one BOOLEAN, + must-be-zero BOOLEAN, + scrambling-control INTEGER { + not-scrambled (0) + } (0..3), + priority BOOLEAN, + data-alignment BOOLEAN, + copyright BOOLEAN, + original BOOLEAN, + pts-flag BOOLEAN, + dts-flag BOOLEAN, + escr-flag BOOLEAN, + es-rate-flag BOOLEAN, + dsm-trick-mode-flag BOOLEAN, + additional-copy-info-flag BOOLEAN, + crc-flag BOOLEAN, + extension-flag BOOLEAN, + header-data-length INTEGER (0..255) +} + +Sequence-header ::= SEQUENCE { + horizontal-size BIT STRING (SIZE (12)), + vertical-size BIT STRING (SIZE (12)), + aspect-ratio INTEGER { + aspect-1to1 (1), + aspect-4to3 (2), + aspect-16to9 (3), + aspect-2-21to1 (4) + } (0..15), + frame-rate ENUMERATED { + reserved (0), + fr (23976), + fr (24000), + fr (25000), + fr (29970), + fr (30000), + fr (50000), + fr (59940), + fr (60000) + }, + bit-rate BIT STRING (SIZE (18)), + must-be-one BOOLEAN, + vbv-buffer-size BIT STRING (SIZE (10)), + constrained-parameters-flag BOOLEAN, + load-intra-quantiser-matrix BOOLEAN, + load-non-intra-quantiser-matrix BOOLEAN +} + +Sequence-extension ::= SEQUENCE { + must-be-0001 BIT STRING (SIZE (4)), + profile-and-level INTEGER (0..255), + progressive-sequence BOOLEAN, + chroma-format INTEGER (0..3), + horizontal-size-extension INTEGER (0..3), + vertical-size-extension INTEGER (0..3), + bit-rate-extension BIT STRING (SIZE (12)), + must-be-one BOOLEAN, + vbv-buffer-size-extension INTEGER (0..255), + low-delay BOOLEAN, + frame-rate-extension-n INTEGER (0..3), + frame-rate-extension-d INTEGER (0..3) +} + +Group-of-pictures ::= SEQUENCE { + drop-frame-flag BOOLEAN, + hour INTEGER (0..32), + minute INTEGER (0..64), + must-be-one BOOLEAN, + second INTEGER (0..64), + frame INTEGER (0..64), + closed-gop BOOLEAN, + broken-gop BOOLEAN, + must-be-zero BIT STRING (SIZE (5)) +} + +Picture ::= SEQUENCE { + temporal-sequence-number BIT STRING (SIZE (10)), + frame-type INTEGER { + i-frame (1), + p-frame (2), + b-frame (3), + d-frame (4) + } (0..7), + vbv-delay BIT STRING (SIZE (16)) +} + +END diff --git a/asn1/mpeg/mpeg-pes.cnf b/asn1/mpeg/mpeg-pes.cnf new file mode 100644 index 0000000000..a2d0a97573 --- /dev/null +++ b/asn1/mpeg/mpeg-pes.cnf @@ -0,0 +1,10 @@ +# mpeg-pes.cnf +# mpeg-pes conformation file +# +# $Id$ + +#.TYPE_ATTR +PES/stream TYPE=FT_UINT8 DISPLAY=BASE_HEX +Pack/program-mux-rate TYPE=FT_UINT32 DISPLAY=BASE_DEC +Stream/length TYPE=FT_UINT16 DISPLAY=BASE_DEC +#.END diff --git a/asn1/mpeg/packet-mpeg-audio-template.c b/asn1/mpeg/packet-mpeg-audio-template.c new file mode 100644 index 0000000000..f1f817fed1 --- /dev/null +++ b/asn1/mpeg/packet-mpeg-audio-template.c @@ -0,0 +1,210 @@ +/* MPEG audio packet decoder. + * Written by Shaun Jackman <sjackman@gmail.com>. + * Copyright 2007 Shaun Jackman + * + * $Id$ + * + * Wireshark - Network traffic analyzer + * By Gerald Combs <gerald@wireshark.org> + * + * 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 <stdio.h> +#include <string.h> + +#include <glib.h> + +#include <epan/packet.h> +#include <epan/prefs.h> + +#include <wiretap/mpeg-audio.h> + +#include "packet-per.h" + +#include "packet-mpeg-audio-hf.c" +#include "packet-mpeg-audio-ett.c" +#include "packet-mpeg-audio-fn.c" + +static int hf_mpeg_audio = -1; +static int hf_mpeg_audio_data = -1; +static int hf_mpeg_audio_padbytes = -1; +static int hf_id3v1 = -1; +static int hf_id3v2 = -1; + +static size_t +read_header(tvbuff_t *tvb, packet_info *pinfo, struct mpa *mpa) +{ + size_t data_size = 0; + guint32 h = tvb_get_ntohl(tvb, 0); + MPA_UNMARSHAL(mpa, h); + if (MPA_SYNC_VALID(mpa)) { + if (MPA_VERSION_VALID(mpa) && MPA_LAYER_VALID(mpa)) { + if (check_col(pinfo->cinfo, COL_PROTOCOL)) { + static const char *version_names[] = { "1", "2", "2.5" }; + col_add_fstr(pinfo->cinfo, COL_PROTOCOL, + "MPEG-%s", version_names[MPA_VERSION(mpa)]); + } + if (check_col(pinfo->cinfo, COL_INFO)) + col_add_fstr(pinfo->cinfo, COL_INFO, + "Audio Layer %d", MPA_LAYER(mpa) + 1); + if (MPA_BITRATE_VALID(mpa) && MPA_FREQUENCY_VALID(mpa)) { + data_size = MPA_DATA_BYTES(mpa) - sizeof mpa; + if (check_col(pinfo->cinfo, COL_DEF_SRC)) { + SET_ADDRESS(&pinfo->src, AT_NONE, 0, NULL); + col_add_fstr(pinfo->cinfo, COL_DEF_SRC, + "%d kb/s", MPA_BITRATE(mpa) / 1000); + } + if (check_col(pinfo->cinfo, COL_DEF_DST)) { + SET_ADDRESS(&pinfo->dst, AT_NONE, 0, NULL); + col_add_fstr(pinfo->cinfo, COL_DEF_DST, + "%g kHz", MPA_FREQUENCY(mpa) / (float)1000); + } + } + } else { + if (check_col(pinfo->cinfo, COL_PROTOCOL)) + col_add_str(pinfo->cinfo, COL_PROTOCOL, "MPEG"); + } + } + return data_size; +} + +static gboolean +dissect_mpeg_audio_frame(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) +{ + struct mpa mpa; + size_t data_size; + asn1_ctx_t asn1_ctx; + int offset = 0; + + data_size = read_header(tvb, pinfo, &mpa); + if (!MPA_SYNC_VALID(&mpa)) + return FALSE; + + if (tree == NULL) + return TRUE; + + asn1_ctx_init(&asn1_ctx, ASN1_ENC_PER, TRUE, pinfo); + offset = dissect_mpeg_audio_Audio(tvb, offset, &asn1_ctx, + tree, hf_mpeg_audio); + if (data_size > 0) { + unsigned int padding; + + proto_tree_add_item(tree, hf_mpeg_audio_data, tvb, + offset / 8, data_size, FALSE); + offset += data_size * 8; + padding = MPA_PADDING(&mpa); + if (padding > 0) { + proto_tree_add_item(tree, hf_mpeg_audio_padbytes, tvb, + offset / 8, padding, FALSE); + offset += padding * 8; + } + } + return TRUE; +} + +static void +dissect_id3v1(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) +{ + asn1_ctx_t asn1_ctx; + + if (check_col(pinfo->cinfo, COL_PROTOCOL)) + col_set_str(pinfo->cinfo, COL_PROTOCOL, "ID3v1"); + if (tree == NULL) + return; + asn1_ctx_init(&asn1_ctx, ASN1_ENC_PER, TRUE, pinfo); + dissect_mpeg_audio_ID3v1(tvb, 0, &asn1_ctx, + tree, hf_id3v1); +} + +static void +dissect_id3v2(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) +{ + if (check_col(pinfo->cinfo, COL_PROTOCOL)) + col_set_str(pinfo->cinfo, COL_PROTOCOL, "ID3v2"); + proto_tree_add_item(tree, hf_id3v2, tvb, + 0, -1, FALSE); +} + +static gboolean +dissect_mpeg_audio(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) +{ + int magic; + + if (check_col(pinfo->cinfo, COL_PROTOCOL)) + col_clear(pinfo->cinfo, COL_PROTOCOL); + if (check_col(pinfo->cinfo, COL_INFO)) + col_clear(pinfo->cinfo, COL_INFO); + + magic = tvb_get_ntoh24(tvb, 0); + switch (magic) { + case 0x544147: /* TAG */ + dissect_id3v1(tvb, pinfo, tree); + return TRUE; + case 0x494433: /* ID3 */ + dissect_id3v2(tvb, pinfo, tree); + return TRUE; + default: + return dissect_mpeg_audio_frame(tvb, pinfo, tree); + } +} + +static int proto_mpeg_audio = -1; + +void +proto_register_mpeg_audio(void) +{ + static hf_register_info hf[] = { +#include "packet-mpeg-audio-hfarr.c" + { &hf_mpeg_audio, + { "MPEG Audio", "mpeg.audio", + FT_NONE, BASE_NONE, NULL, 0, NULL, HFILL }}, + { &hf_mpeg_audio_data, + { "Data", "mpeg.audio.data", + FT_BYTES, BASE_NONE, NULL, 0, NULL, HFILL }}, + { &hf_mpeg_audio_padbytes, + { "Padding", "mpeg.audio.padbytes", + FT_BYTES, BASE_NONE, NULL, 0, NULL, HFILL }}, + + { &hf_id3v1, + { "ID3v1", "id3v1", + FT_NONE, BASE_NONE, NULL, 0, NULL, HFILL }}, + { &hf_id3v2, + { "ID3v2", "id3v2", + FT_NONE, BASE_NONE, NULL, 0, NULL, HFILL }}, + }; + + static gint *ett[] = { +#include "packet-mpeg-audio-ettarr.c" + }; + + if (proto_mpeg_audio != -1) + return; + + proto_mpeg_audio = proto_register_protocol( + "Moving Picture Experts Group Audio", "MPEG Audio", "mpeg.audio"); + proto_register_field_array(proto_mpeg_audio, hf, array_length(hf)); + proto_register_subtree_array(ett, array_length(ett)); +} + +void +proto_reg_handoff_mpeg_audio(void) +{ + heur_dissector_add("mpeg", dissect_mpeg_audio, proto_mpeg_audio); +} diff --git a/asn1/mpeg/packet-mpeg-pes-template.c b/asn1/mpeg/packet-mpeg-pes-template.c new file mode 100644 index 0000000000..e09b8e9292 --- /dev/null +++ b/asn1/mpeg/packet-mpeg-pes-template.c @@ -0,0 +1,295 @@ +/* MPEG Packetized Elementary Stream (PES) packet decoder. + * Written by Shaun Jackman <sjackman@gmail.com>. + * Copyright 2007 Shaun Jackman + * + * $Id$ + * + * Wireshark - Network traffic analyzer + * By Gerald Combs <gerald@wireshark.org> + * + * 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 <stdio.h> +#include <string.h> + +#include <glib.h> + +#include <epan/packet.h> +#include <epan/prefs.h> + +#include "packet-per.h" + +#include "packet-mpeg-pes-hf.c" +#include "packet-mpeg-pes-ett.c" +#include "packet-mpeg-pes-fn.c" + +static int proto_mpeg = -1; +static int proto_mpeg_pes = -1; +static int hf_mpeg_pes_pack_header = -1; +static int hf_mpeg_pes_stuffing = -1; +static int hf_mpeg_pes_extension = -1; +static int hf_mpeg_pes_header_data = -1; +static int hf_mpeg_pes_padding = -1; + +static int hf_mpeg_pes_data = -1; + +static int hf_mpeg_video_sequence_header = -1; +static int hf_mpeg_video_sequence_extension = -1; +static int hf_mpeg_video_group_of_pictures = -1; +static int hf_mpeg_video_picture = -1; +static int hf_mpeg_video_quantization_matrix = -1; +static int hf_mpeg_video_data = -1; + +enum { PES_PREFIX = 1 }; +enum { + STREAM_PICTURE = 0x00, + STREAM_SEQUENCE = 0xb3, + STREAM_SEQUENCE_EXTENSION = 0xb5, + STREAM_GOP = 0xb8, + STREAM_END = 0xb9, + STREAM_PACK = 0xba, + STREAM_SYSTEM = 0xbb, + STREAM_PROGRAM = 0xbc, + STREAM_PRIVATE1 = 0xbd, + STREAM_PADDING = 0xbe, + STREAM_PRIVATE2 = 0xbf, + STREAM_AUDIO = 0xc0, + STREAM_VIDEO = 0xe0, +}; + +void +dissect_mpeg(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); + +static gboolean +dissect_mpeg_pes(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) +{ + int prefix; + int stream; + asn1_ctx_t asn1_ctx; + int offset = 0; + + prefix = tvb_get_ntoh24(tvb, 0); + if (prefix != PES_PREFIX) + return FALSE; + if (check_col(pinfo->cinfo, COL_PROTOCOL)) + col_set_str(pinfo->cinfo, COL_PROTOCOL, "MPEG PES"); + + stream = tvb_get_guint8(tvb, 3); + if (check_col(pinfo->cinfo, COL_INFO)) { + const char *s = match_strval(stream, mpeg_pes_T_stream_vals); + if (s != NULL) + col_set_str(pinfo->cinfo, COL_INFO, s); + } + +#if 0 + if (tree == NULL) + return TRUE; +#endif + asn1_ctx_init(&asn1_ctx, ASN1_ENC_PER, TRUE, pinfo); + offset = dissect_mpeg_pes_PES(tvb, offset, &asn1_ctx, + tree, proto_mpeg_pes); + + if (stream == STREAM_PICTURE) { + int frame_type; + + frame_type = tvb_get_guint8(tvb, 5) >> 3 & 0x07; + if (check_col(pinfo->cinfo, COL_INFO)) { + const char *s = match_strval(frame_type, + mpeg_pes_T_frame_type_vals); + if (s != NULL) + col_set_str(pinfo->cinfo, COL_INFO, s); + } + + offset = dissect_mpeg_pes_Picture(tvb, offset, &asn1_ctx, + tree, hf_mpeg_video_picture); + proto_tree_add_item(tree, hf_mpeg_video_data, tvb, + offset / 8, -1, FALSE); + } else if (stream == STREAM_SEQUENCE) { + tvbuff_t *es; + + offset = dissect_mpeg_pes_Sequence_header(tvb, offset, &asn1_ctx, + tree, hf_mpeg_video_sequence_header); + + proto_tree_add_item(tree, hf_mpeg_video_quantization_matrix, tvb, + offset / 8, 64, FALSE); + offset += 64 * 8; + + es = tvb_new_subset(tvb, offset / 8, -1, -1); + dissect_mpeg_pes(es, pinfo, tree); + } else if (stream == STREAM_SEQUENCE_EXTENSION) { + tvbuff_t *es; + + offset = dissect_mpeg_pes_Sequence_extension(tvb, offset, &asn1_ctx, + tree, hf_mpeg_video_sequence_extension); + + es = tvb_new_subset(tvb, offset / 8, -1, -1); + dissect_mpeg_pes(es, pinfo, tree); + } else if (stream == STREAM_GOP) { + tvbuff_t *es; + + offset = dissect_mpeg_pes_Group_of_pictures(tvb, offset, &asn1_ctx, + tree, hf_mpeg_video_group_of_pictures); + + es = tvb_new_subset(tvb, offset / 8, -1, -1); + dissect_mpeg_pes(es, pinfo, tree); + } else if (stream == STREAM_PACK) { + int length; + switch (tvb_get_guint8(tvb, 4) >> 6) { + case 1: + length = tvb_get_guint8(tvb, 13) & 0x07; + offset = dissect_mpeg_pes_Pack(tvb, offset, &asn1_ctx, + tree, hf_mpeg_pes_pack_header); + if (length > 0) + proto_tree_add_item(tree, hf_mpeg_pes_stuffing, tvb, + offset / 8, length, FALSE); + break; + default: + length = 8; + proto_tree_add_item(tree, hf_mpeg_pes_data, tvb, + offset / 8, length, FALSE); + } + offset += length * 8; + } else if (stream == STREAM_SYSTEM) { + offset = dissect_mpeg_pes_Stream(tvb, offset, &asn1_ctx, + tree, hf_mpeg_pes_extension); + proto_tree_add_item(tree, hf_mpeg_pes_data, tvb, + offset / 8, -1, FALSE); + } else if (stream == STREAM_PADDING) { + int padding_length; + + padding_length = tvb_get_ntohs(tvb, 4); + proto_tree_add_item(tree, hf_mpeg_pes_length, tvb, + offset / 8, 2, FALSE); + offset += 2 * 8; + + proto_tree_add_item(tree, hf_mpeg_pes_padding, tvb, + offset / 8, padding_length, FALSE); + } else if (stream == STREAM_PRIVATE1 + || stream >= STREAM_AUDIO) { + int length; + int header_length; + tvbuff_t *es; + + length = tvb_get_ntohs(tvb, 4); + + offset = dissect_mpeg_pes_Stream(tvb, offset, &asn1_ctx, + tree, hf_mpeg_pes_extension); + length -= 5 * 8; + + header_length = tvb_get_guint8(tvb, 8); + if (header_length > 0) { + proto_tree_add_item(tree, hf_mpeg_pes_header_data, tvb, + offset / 8, header_length, FALSE); + offset += header_length * 8; + length -= header_length * 8; + } + + es = tvb_new_subset(tvb, offset / 8, -1, length / 8); + if (tvb_get_ntoh24(es, 0) == PES_PREFIX) + dissect_mpeg_pes(es, pinfo, tree); + else if (tvb_get_guint8(es, 0) == 0xff) + dissect_mpeg(es, pinfo, tree); + else + proto_tree_add_item(tree, hf_mpeg_pes_data, es, + 0, -1, FALSE); + } else { + proto_tree_add_item(tree, hf_mpeg_pes_data, tvb, + offset / 8, -1, FALSE); + } + return TRUE; +} + +static heur_dissector_list_t heur_subdissector_list; + +void +dissect_mpeg(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) +{ + dissector_try_heuristic(heur_subdissector_list, tvb, pinfo, tree); +} + +void +proto_register_mpeg_pes(void) +{ + static hf_register_info hf[] = { +#include "packet-mpeg-pes-hfarr.c" + { &hf_mpeg_pes_pack_header, + { "Pack header", "mpeg-pes.pack", + FT_NONE, BASE_NONE, NULL, 0, NULL, HFILL }}, + { &hf_mpeg_pes_stuffing, + { "PES stuffing bytes", "mpeg-pes.stuffing", + FT_BYTES, BASE_NONE, NULL, 0, NULL, HFILL }}, + { &hf_mpeg_pes_extension, + { "PES extension", "mpeg-pes.extension", + FT_NONE, BASE_NONE, NULL, 0, NULL, HFILL }}, + { &hf_mpeg_pes_header_data, + { "PES header data", "mpeg-pes.header-data", + FT_BYTES, BASE_NONE, NULL, 0, NULL, HFILL }}, + { &hf_mpeg_pes_padding, + { "PES padding", "mpeg-pes.padding", + FT_BYTES, BASE_NONE, NULL, 0, NULL, HFILL }}, + { &hf_mpeg_pes_data, + { "PES data", "mpeg-pes.data", + FT_BYTES, BASE_NONE, NULL, 0, NULL, HFILL }}, + { &hf_mpeg_video_sequence_header, + { "MPEG sequence header", "mpeg-video.sequence", + FT_NONE, BASE_NONE, NULL, 0, NULL, HFILL }}, + { &hf_mpeg_video_sequence_extension, + { "MPEG sequence extension", "mpeg-video.sequence-ext", + FT_NONE, BASE_NONE, NULL, 0, NULL, HFILL }}, + { &hf_mpeg_video_group_of_pictures, + { "MPEG group of pictures", "mpeg-video.gop", + FT_NONE, BASE_NONE, NULL, 0, NULL, HFILL }}, + { &hf_mpeg_video_picture, + { "MPEG picture", "mpeg-video.picture", + FT_NONE, BASE_NONE, NULL, 0, NULL, HFILL }}, + { &hf_mpeg_video_quantization_matrix, + { "MPEG quantization matrix", "mpeg-video.quant", + FT_BYTES, BASE_NONE, NULL, 0, NULL, HFILL }}, + { &hf_mpeg_video_data, + { "MPEG picture data", "mpeg-video.data", + FT_BYTES, BASE_NONE, NULL, 0, NULL, HFILL }}, + }; + + static gint *ett[] = { +#include "packet-mpeg-pes-ettarr.c" + }; + + proto_mpeg = proto_register_protocol( + "Moving Picture Experts Group", "MPEG", "mpeg"); + register_heur_dissector_list("mpeg", &heur_subdissector_list); + + if (proto_mpeg_pes != -1) + return; + + proto_mpeg_pes = proto_register_protocol( + "Packetized Elementary Stream", "MPEG PES", "mpeg-pes"); + proto_register_field_array(proto_mpeg_pes, hf, array_length(hf)); + proto_register_subtree_array(ett, array_length(ett)); +} + +void +proto_reg_handoff_mpeg_pes(void) +{ + dissector_handle_t mpeg_handle = create_dissector_handle( + dissect_mpeg, proto_mpeg); + dissector_add("wtap_encap", WTAP_ENCAP_MPEG, mpeg_handle); + + heur_dissector_add("mpeg", dissect_mpeg_pes, proto_mpeg_pes); +} diff --git a/epan/dissectors/Makefile.common b/epan/dissectors/Makefile.common index d5c7a631b2..f92e885c03 100644 --- a/epan/dissectors/Makefile.common +++ b/epan/dissectors/Makefile.common @@ -463,6 +463,8 @@ DISSECTOR_SRC = \ packet-mount.c \ packet-mp2t.c \ packet-mpeg1.c \ + packet-mpeg-audio.c \ + packet-mpeg-pes.c \ packet-mpls.c \ packet-mpls-echo.c \ packet-mq.c \ diff --git a/epan/dissectors/packet-mpeg-audio.c b/epan/dissectors/packet-mpeg-audio.c new file mode 100644 index 0000000000..b3cc73b3f8 --- /dev/null +++ b/epan/dissectors/packet-mpeg-audio.c @@ -0,0 +1,722 @@ +/* Do not modify this file. */ +/* It is created automatically by the ASN.1 to Wireshark dissector compiler */ +/* ./packet-mpeg-audio.c */ +/* ../../tools/asn2wrs.py -e -p mpeg-audio -c mpeg-audio.cnf -s packet-mpeg-audio-template mpeg-audio.asn */ + +/* Input file: packet-mpeg-audio-template.c */ + +#line 1 "packet-mpeg-audio-template.c" +/* MPEG audio packet decoder. + * Written by Shaun Jackman <sjackman@gmail.com>. + * Copyright 2007 Shaun Jackman + * + * $Id$ + * + * Wireshark - Network traffic analyzer + * By Gerald Combs <gerald@wireshark.org> + * + * 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 <stdio.h> +#include <string.h> + +#include <glib.h> + +#include <epan/packet.h> +#include <epan/prefs.h> + +#include <wiretap/mpeg-audio.h> + +#include "packet-per.h" + + +/*--- Included file: packet-mpeg-audio-hf.c ---*/ +#line 1 "packet-mpeg-audio-hf.c" +static int hf_mpeg_audio_sync = -1; /* BIT_STRING_SIZE_11 */ +static int hf_mpeg_audio_version = -1; /* T_version */ +static int hf_mpeg_audio_layer = -1; /* T_layer */ +static int hf_mpeg_audio_protection = -1; /* T_protection */ +static int hf_mpeg_audio_bitrate = -1; /* INTEGER_0_15 */ +static int hf_mpeg_audio_frequency = -1; /* INTEGER_0_3 */ +static int hf_mpeg_audio_padding = -1; /* BOOLEAN */ +static int hf_mpeg_audio_private = -1; /* BOOLEAN */ +static int hf_mpeg_audio_channel_mode = -1; /* T_channel_mode */ +static int hf_mpeg_audio_mode_extension = -1; /* INTEGER_0_3 */ +static int hf_mpeg_audio_copyright = -1; /* BOOLEAN */ +static int hf_mpeg_audio_original = -1; /* BOOLEAN */ +static int hf_mpeg_audio_emphasis = -1; /* T_emphasis */ +static int hf_mpeg_audio_tag = -1; /* OCTET_STRING_SIZE_3 */ +static int hf_mpeg_audio_title = -1; /* OCTET_STRING_SIZE_30 */ +static int hf_mpeg_audio_artist = -1; /* OCTET_STRING_SIZE_30 */ +static int hf_mpeg_audio_album = -1; /* OCTET_STRING_SIZE_30 */ +static int hf_mpeg_audio_year = -1; /* OCTET_STRING_SIZE_4 */ +static int hf_mpeg_audio_comment = -1; /* OCTET_STRING_SIZE_28 */ +static int hf_mpeg_audio_must_be_zero = -1; /* INTEGER_0_255 */ +static int hf_mpeg_audio_track = -1; /* INTEGER_0_255 */ +static int hf_mpeg_audio_genre = -1; /* T_genre */ + +/*--- End of included file: packet-mpeg-audio-hf.c ---*/ +#line 42 "packet-mpeg-audio-template.c" + +/*--- Included file: packet-mpeg-audio-ett.c ---*/ +#line 1 "packet-mpeg-audio-ett.c" +static gint ett_mpeg_audio_Audio = -1; +static gint ett_mpeg_audio_ID3v1 = -1; + +/*--- End of included file: packet-mpeg-audio-ett.c ---*/ +#line 43 "packet-mpeg-audio-template.c" + +/*--- Included file: packet-mpeg-audio-fn.c ---*/ +#line 1 "packet-mpeg-audio-fn.c" + + +static int +dissect_mpeg_audio_BIT_STRING_SIZE_11(tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { + offset = dissect_per_bit_string(tvb, offset, actx, tree, hf_index, + 11, 11, FALSE, NULL); + + return offset; +} + + +static const value_string mpeg_audio_T_version_vals[] = { + { 0, "mpeg-2-5" }, + { 1, "reserved" }, + { 2, "mpeg-2" }, + { 3, "mpeg-1" }, + { 0, NULL } +}; + + +static int +dissect_mpeg_audio_T_version(tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { + offset = dissect_per_enumerated(tvb, offset, actx, tree, hf_index, + 4, NULL, FALSE, 0, NULL); + + return offset; +} + + +static const value_string mpeg_audio_T_layer_vals[] = { + { 0, "reserved" }, + { 1, "layer-3" }, + { 2, "layer-2" }, + { 3, "layer-1" }, + { 0, NULL } +}; + + +static int +dissect_mpeg_audio_T_layer(tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { + offset = dissect_per_enumerated(tvb, offset, actx, tree, hf_index, + 4, NULL, FALSE, 0, NULL); + + return offset; +} + + +static const value_string mpeg_audio_T_protection_vals[] = { + { 0, "crc" }, + { 1, "none" }, + { 0, NULL } +}; + + +static int +dissect_mpeg_audio_T_protection(tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { + offset = dissect_per_enumerated(tvb, offset, actx, tree, hf_index, + 2, NULL, FALSE, 0, NULL); + + return offset; +} + + + +static int +dissect_mpeg_audio_INTEGER_0_15(tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { + offset = dissect_per_constrained_integer(tvb, offset, actx, tree, hf_index, + 0U, 15U, NULL, FALSE); + + return offset; +} + + + +static int +dissect_mpeg_audio_INTEGER_0_3(tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { + offset = dissect_per_constrained_integer(tvb, offset, actx, tree, hf_index, + 0U, 3U, NULL, FALSE); + + return offset; +} + + + +static int +dissect_mpeg_audio_BOOLEAN(tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { + offset = dissect_per_boolean(tvb, offset, actx, tree, hf_index, NULL); + + return offset; +} + + +static const value_string mpeg_audio_T_channel_mode_vals[] = { + { 0, "stereo" }, + { 1, "joint-stereo" }, + { 2, "dual-channel" }, + { 3, "single-channel" }, + { 0, NULL } +}; + + +static int +dissect_mpeg_audio_T_channel_mode(tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { + offset = dissect_per_enumerated(tvb, offset, actx, tree, hf_index, + 4, NULL, FALSE, 0, NULL); + + return offset; +} + + +static const value_string mpeg_audio_T_emphasis_vals[] = { + { 0, "none" }, + { 1, "em-50-15-ms" }, + { 2, "reserved" }, + { 3, "ccit-j-17" }, + { 0, NULL } +}; + + +static int +dissect_mpeg_audio_T_emphasis(tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { + offset = dissect_per_enumerated(tvb, offset, actx, tree, hf_index, + 4, NULL, FALSE, 0, NULL); + + return offset; +} + + +static const per_sequence_t Audio_sequence[] = { + { &hf_mpeg_audio_sync , ASN1_NO_EXTENSIONS , ASN1_NOT_OPTIONAL, dissect_mpeg_audio_BIT_STRING_SIZE_11 }, + { &hf_mpeg_audio_version , ASN1_NO_EXTENSIONS , ASN1_NOT_OPTIONAL, dissect_mpeg_audio_T_version }, + { &hf_mpeg_audio_layer , ASN1_NO_EXTENSIONS , ASN1_NOT_OPTIONAL, dissect_mpeg_audio_T_layer }, + { &hf_mpeg_audio_protection, ASN1_NO_EXTENSIONS , ASN1_NOT_OPTIONAL, dissect_mpeg_audio_T_protection }, + { &hf_mpeg_audio_bitrate , ASN1_NO_EXTENSIONS , ASN1_NOT_OPTIONAL, dissect_mpeg_audio_INTEGER_0_15 }, + { &hf_mpeg_audio_frequency, ASN1_NO_EXTENSIONS , ASN1_NOT_OPTIONAL, dissect_mpeg_audio_INTEGER_0_3 }, + { &hf_mpeg_audio_padding , ASN1_NO_EXTENSIONS , ASN1_NOT_OPTIONAL, dissect_mpeg_audio_BOOLEAN }, + { &hf_mpeg_audio_private , ASN1_NO_EXTENSIONS , ASN1_NOT_OPTIONAL, dissect_mpeg_audio_BOOLEAN }, + { &hf_mpeg_audio_channel_mode, ASN1_NO_EXTENSIONS , ASN1_NOT_OPTIONAL, dissect_mpeg_audio_T_channel_mode }, + { &hf_mpeg_audio_mode_extension, ASN1_NO_EXTENSIONS , ASN1_NOT_OPTIONAL, dissect_mpeg_audio_INTEGER_0_3 }, + { &hf_mpeg_audio_copyright, ASN1_NO_EXTENSIONS , ASN1_NOT_OPTIONAL, dissect_mpeg_audio_BOOLEAN }, + { &hf_mpeg_audio_original , ASN1_NO_EXTENSIONS , ASN1_NOT_OPTIONAL, dissect_mpeg_audio_BOOLEAN }, + { &hf_mpeg_audio_emphasis , ASN1_NO_EXTENSIONS , ASN1_NOT_OPTIONAL, dissect_mpeg_audio_T_emphasis }, + { NULL, 0, 0, NULL } +}; + +static int +dissect_mpeg_audio_Audio(tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { + offset = dissect_per_sequence(tvb, offset, actx, tree, hf_index, + ett_mpeg_audio_Audio, Audio_sequence); + + return offset; +} + + + +static int +dissect_mpeg_audio_OCTET_STRING_SIZE_3(tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { + offset = dissect_per_octet_string(tvb, offset, actx, tree, hf_index, + 3, 3, NULL); + + return offset; +} + + + +static int +dissect_mpeg_audio_OCTET_STRING_SIZE_30(tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { + offset = dissect_per_octet_string(tvb, offset, actx, tree, hf_index, + 30, 30, NULL); + + return offset; +} + + + +static int +dissect_mpeg_audio_OCTET_STRING_SIZE_4(tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { + offset = dissect_per_octet_string(tvb, offset, actx, tree, hf_index, + 4, 4, NULL); + + return offset; +} + + + +static int +dissect_mpeg_audio_OCTET_STRING_SIZE_28(tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { + offset = dissect_per_octet_string(tvb, offset, actx, tree, hf_index, + 28, 28, NULL); + + return offset; +} + + + +static int +dissect_mpeg_audio_INTEGER_0_255(tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { + offset = dissect_per_constrained_integer(tvb, offset, actx, tree, hf_index, + 0U, 255U, NULL, FALSE); + + return offset; +} + + +static const value_string mpeg_audio_T_genre_vals[] = { + { 0, "blues" }, + { 1, "classic-rock" }, + { 2, "country" }, + { 3, "dance" }, + { 4, "disco" }, + { 5, "funk" }, + { 6, "grunge" }, + { 7, "hip-hop" }, + { 8, "jazz" }, + { 9, "metal" }, + { 10, "new-age" }, + { 11, "oldies" }, + { 12, "other" }, + { 13, "pop" }, + { 14, "r-and-b" }, + { 15, "rap" }, + { 16, "reggae" }, + { 17, "rock" }, + { 18, "techno" }, + { 19, "industrial" }, + { 20, "alternative" }, + { 21, "ska" }, + { 22, "death-metal" }, + { 23, "pranks" }, + { 24, "soundtrack" }, + { 25, "euro-techno" }, + { 26, "ambient" }, + { 27, "trip-hop" }, + { 28, "vocal" }, + { 29, "jazz-and-funk" }, + { 30, "fusion" }, + { 31, "trance" }, + { 32, "classical" }, + { 33, "instrumental" }, + { 34, "acid" }, + { 35, "house" }, + { 36, "game" }, + { 37, "sound-clip" }, + { 38, "gospel" }, + { 39, "noise" }, + { 40, "alternative-rock" }, + { 41, "bass" }, + { 42, "soul" }, + { 43, "punk" }, + { 44, "space" }, + { 45, "meditative" }, + { 46, "instrumental-pop" }, + { 47, "instrumental-rock" }, + { 48, "ethnic" }, + { 49, "gothic" }, + { 50, "darkwave" }, + { 51, "techno-industrial" }, + { 52, "electronic" }, + { 53, "pop-folk" }, + { 54, "eurodance" }, + { 55, "dream" }, + { 56, "southern-rock" }, + { 57, "comedy" }, + { 58, "cult" }, + { 59, "gangsta" }, + { 60, "top-40" }, + { 61, "christian-rap" }, + { 62, "pop-funk" }, + { 63, "jungle" }, + { 64, "native-american" }, + { 65, "cabaret" }, + { 66, "new-wave" }, + { 67, "psychadelic" }, + { 68, "rave" }, + { 69, "showtunes" }, + { 70, "trailer" }, + { 71, "lo-fi" }, + { 72, "tribal" }, + { 73, "acid-punk" }, + { 74, "acid-jazz" }, + { 75, "polka" }, + { 76, "retro" }, + { 77, "musical" }, + { 78, "rock-and-roll" }, + { 79, "hard-rock" }, + { 80, "folk" }, + { 81, "folk-rock" }, + { 82, "national-folk" }, + { 83, "swing" }, + { 84, "fast-fusion" }, + { 85, "bebob" }, + { 86, "latin" }, + { 87, "revival" }, + { 88, "celtic" }, + { 89, "bluegrass" }, + { 90, "avantgarde" }, + { 91, "gothic-rock" }, + { 92, "progressive-rock" }, + { 93, "psychedelic-rock" }, + { 94, "symphonic-rock" }, + { 95, "slow-rock" }, + { 96, "big-band" }, + { 97, "chorus" }, + { 98, "easy-listening" }, + { 99, "acoustic" }, + { 100, "humour" }, + { 101, "speech" }, + { 102, "chanson" }, + { 103, "opera" }, + { 104, "chamber-music" }, + { 105, "sonata" }, + { 106, "symphony" }, + { 107, "booty-bass" }, + { 108, "primus" }, + { 109, "porn-groove" }, + { 110, "satire" }, + { 111, "slow-jam" }, + { 112, "club" }, + { 113, "tango" }, + { 114, "samba" }, + { 115, "folklore" }, + { 116, "ballad" }, + { 117, "power-ballad" }, + { 118, "rhythmic-soul" }, + { 119, "freestyle" }, + { 120, "duet" }, + { 121, "punk-rock" }, + { 122, "drum-solo" }, + { 123, "a-cappella" }, + { 124, "euro-house" }, + { 125, "dance-hall" }, + { 0, NULL } +}; + + +static int +dissect_mpeg_audio_T_genre(tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { + offset = dissect_per_constrained_integer(tvb, offset, actx, tree, hf_index, + 0U, 255U, NULL, FALSE); + + return offset; +} + + +static const per_sequence_t ID3v1_sequence[] = { + { &hf_mpeg_audio_tag , ASN1_NO_EXTENSIONS , ASN1_NOT_OPTIONAL, dissect_mpeg_audio_OCTET_STRING_SIZE_3 }, + { &hf_mpeg_audio_title , ASN1_NO_EXTENSIONS , ASN1_NOT_OPTIONAL, dissect_mpeg_audio_OCTET_STRING_SIZE_30 }, + { &hf_mpeg_audio_artist , ASN1_NO_EXTENSIONS , ASN1_NOT_OPTIONAL, dissect_mpeg_audio_OCTET_STRING_SIZE_30 }, + { &hf_mpeg_audio_album , ASN1_NO_EXTENSIONS , ASN1_NOT_OPTIONAL, dissect_mpeg_audio_OCTET_STRING_SIZE_30 }, + { &hf_mpeg_audio_year , ASN1_NO_EXTENSIONS , ASN1_NOT_OPTIONAL, dissect_mpeg_audio_OCTET_STRING_SIZE_4 }, + { &hf_mpeg_audio_comment , ASN1_NO_EXTENSIONS , ASN1_NOT_OPTIONAL, dissect_mpeg_audio_OCTET_STRING_SIZE_28 }, + { &hf_mpeg_audio_must_be_zero, ASN1_NO_EXTENSIONS , ASN1_NOT_OPTIONAL, dissect_mpeg_audio_INTEGER_0_255 }, + { &hf_mpeg_audio_track , ASN1_NO_EXTENSIONS , ASN1_NOT_OPTIONAL, dissect_mpeg_audio_INTEGER_0_255 }, + { &hf_mpeg_audio_genre , ASN1_NO_EXTENSIONS , ASN1_NOT_OPTIONAL, dissect_mpeg_audio_T_genre }, + { NULL, 0, 0, NULL } +}; + +static int +dissect_mpeg_audio_ID3v1(tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { + offset = dissect_per_sequence(tvb, offset, actx, tree, hf_index, + ett_mpeg_audio_ID3v1, ID3v1_sequence); + + return offset; +} + + +/*--- End of included file: packet-mpeg-audio-fn.c ---*/ +#line 44 "packet-mpeg-audio-template.c" + +static int hf_mpeg_audio = -1; +static int hf_mpeg_audio_data = -1; +static int hf_mpeg_audio_padbytes = -1; +static int hf_id3v1 = -1; +static int hf_id3v2 = -1; + +static size_t +read_header(tvbuff_t *tvb, packet_info *pinfo, struct mpa *mpa) +{ + size_t data_size = 0; + guint32 h = tvb_get_ntohl(tvb, 0); + MPA_UNMARSHAL(mpa, h); + if (MPA_SYNC_VALID(mpa)) { + if (MPA_VERSION_VALID(mpa) && MPA_LAYER_VALID(mpa)) { + if (check_col(pinfo->cinfo, COL_PROTOCOL)) { + static const char *version_names[] = { "1", "2", "2.5" }; + col_add_fstr(pinfo->cinfo, COL_PROTOCOL, + "MPEG-%s", version_names[MPA_VERSION(mpa)]); + } + if (check_col(pinfo->cinfo, COL_INFO)) + col_add_fstr(pinfo->cinfo, COL_INFO, + "Audio Layer %d", MPA_LAYER(mpa) + 1); + if (MPA_BITRATE_VALID(mpa) && MPA_FREQUENCY_VALID(mpa)) { + data_size = MPA_DATA_BYTES(mpa) - sizeof mpa; + if (check_col(pinfo->cinfo, COL_DEF_SRC)) { + SET_ADDRESS(&pinfo->src, AT_NONE, 0, NULL); + col_add_fstr(pinfo->cinfo, COL_DEF_SRC, + "%d kb/s", MPA_BITRATE(mpa) / 1000); + } + if (check_col(pinfo->cinfo, COL_DEF_DST)) { + SET_ADDRESS(&pinfo->dst, AT_NONE, 0, NULL); + col_add_fstr(pinfo->cinfo, COL_DEF_DST, + "%g kHz", MPA_FREQUENCY(mpa) / (float)1000); + } + } + } else { + if (check_col(pinfo->cinfo, COL_PROTOCOL)) + col_add_str(pinfo->cinfo, COL_PROTOCOL, "MPEG"); + } + } + return data_size; +} + +static gboolean +dissect_mpeg_audio_frame(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) +{ + struct mpa mpa; + size_t data_size; + asn1_ctx_t asn1_ctx; + int offset = 0; + + data_size = read_header(tvb, pinfo, &mpa); + if (!MPA_SYNC_VALID(&mpa)) + return FALSE; + + if (tree == NULL) + return TRUE; + + asn1_ctx_init(&asn1_ctx, ASN1_ENC_PER, TRUE, pinfo); + offset = dissect_mpeg_audio_Audio(tvb, offset, &asn1_ctx, + tree, hf_mpeg_audio); + if (data_size > 0) { + unsigned int padding; + + proto_tree_add_item(tree, hf_mpeg_audio_data, tvb, + offset / 8, data_size, FALSE); + offset += data_size * 8; + padding = MPA_PADDING(&mpa); + if (padding > 0) { + proto_tree_add_item(tree, hf_mpeg_audio_padbytes, tvb, + offset / 8, padding, FALSE); + offset += padding * 8; + } + } + return TRUE; +} + +static void +dissect_id3v1(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) +{ + asn1_ctx_t asn1_ctx; + + if (check_col(pinfo->cinfo, COL_PROTOCOL)) + col_set_str(pinfo->cinfo, COL_PROTOCOL, "ID3v1"); + if (tree == NULL) + return; + asn1_ctx_init(&asn1_ctx, ASN1_ENC_PER, TRUE, pinfo); + dissect_mpeg_audio_ID3v1(tvb, 0, &asn1_ctx, + tree, hf_id3v1); +} + +static void +dissect_id3v2(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) +{ + if (check_col(pinfo->cinfo, COL_PROTOCOL)) + col_set_str(pinfo->cinfo, COL_PROTOCOL, "ID3v2"); + proto_tree_add_item(tree, hf_id3v2, tvb, + 0, -1, FALSE); +} + +static gboolean +dissect_mpeg_audio(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) +{ + int magic; + + if (check_col(pinfo->cinfo, COL_PROTOCOL)) + col_clear(pinfo->cinfo, COL_PROTOCOL); + if (check_col(pinfo->cinfo, COL_INFO)) + col_clear(pinfo->cinfo, COL_INFO); + + magic = tvb_get_ntoh24(tvb, 0); + switch (magic) { + case 0x544147: /* TAG */ + dissect_id3v1(tvb, pinfo, tree); + return TRUE; + case 0x494433: /* ID3 */ + dissect_id3v2(tvb, pinfo, tree); + return TRUE; + default: + return dissect_mpeg_audio_frame(tvb, pinfo, tree); + } +} + +static int proto_mpeg_audio = -1; + +void +proto_register_mpeg_audio(void) +{ + static hf_register_info hf[] = { + +/*--- Included file: packet-mpeg-audio-hfarr.c ---*/ +#line 1 "packet-mpeg-audio-hfarr.c" + { &hf_mpeg_audio_sync, + { "sync", "mpeg-audio.sync", + FT_BYTES, BASE_HEX, NULL, 0, + "mpeg_audio.BIT_STRING_SIZE_11", HFILL }}, + { &hf_mpeg_audio_version, + { "version", "mpeg-audio.version", + FT_UINT32, BASE_DEC, VALS(mpeg_audio_T_version_vals), 0, + "mpeg_audio.T_version", HFILL }}, + { &hf_mpeg_audio_layer, + { "layer", "mpeg-audio.layer", + FT_UINT32, BASE_DEC, VALS(mpeg_audio_T_layer_vals), 0, + "mpeg_audio.T_layer", HFILL }}, + { &hf_mpeg_audio_protection, + { "protection", "mpeg-audio.protection", + FT_UINT32, BASE_DEC, VALS(mpeg_audio_T_protection_vals), 0, + "mpeg_audio.T_protection", HFILL }}, + { &hf_mpeg_audio_bitrate, + { "bitrate", "mpeg-audio.bitrate", + FT_UINT32, BASE_DEC, NULL, 0, + "mpeg_audio.INTEGER_0_15", HFILL }}, + { &hf_mpeg_audio_frequency, + { "frequency", "mpeg-audio.frequency", + FT_UINT32, BASE_DEC, NULL, 0, + "mpeg_audio.INTEGER_0_3", HFILL }}, + { &hf_mpeg_audio_padding, + { "padding", "mpeg-audio.padding", + FT_BOOLEAN, 8, NULL, 0, + "mpeg_audio.BOOLEAN", HFILL }}, + { &hf_mpeg_audio_private, + { "private", "mpeg-audio.private", + FT_BOOLEAN, 8, NULL, 0, + "mpeg_audio.BOOLEAN", HFILL }}, + { &hf_mpeg_audio_channel_mode, + { "channel-mode", "mpeg-audio.channel_mode", + FT_UINT32, BASE_DEC, VALS(mpeg_audio_T_channel_mode_vals), 0, + "mpeg_audio.T_channel_mode", HFILL }}, + { &hf_mpeg_audio_mode_extension, + { "mode-extension", "mpeg-audio.mode_extension", + FT_UINT32, BASE_DEC, NULL, 0, + "mpeg_audio.INTEGER_0_3", HFILL }}, + { &hf_mpeg_audio_copyright, + { "copyright", "mpeg-audio.copyright", + FT_BOOLEAN, 8, NULL, 0, + "mpeg_audio.BOOLEAN", HFILL }}, + { &hf_mpeg_audio_original, + { "original", "mpeg-audio.original", + FT_BOOLEAN, 8, NULL, 0, + "mpeg_audio.BOOLEAN", HFILL }}, + { &hf_mpeg_audio_emphasis, + { "emphasis", "mpeg-audio.emphasis", + FT_UINT32, BASE_DEC, VALS(mpeg_audio_T_emphasis_vals), 0, + "mpeg_audio.T_emphasis", HFILL }}, + { &hf_mpeg_audio_tag, + { "tag", "mpeg-audio.tag", + FT_STRING, BASE_HEX, NULL, 0, + "mpeg_audio.OCTET_STRING_SIZE_3", HFILL }}, + { &hf_mpeg_audio_title, + { "title", "mpeg-audio.title", + FT_STRING, BASE_HEX, NULL, 0, + "mpeg_audio.OCTET_STRING_SIZE_30", HFILL }}, + { &hf_mpeg_audio_artist, + { "artist", "mpeg-audio.artist", + FT_STRING, BASE_HEX, NULL, 0, + "mpeg_audio.OCTET_STRING_SIZE_30", HFILL }}, + { &hf_mpeg_audio_album, + { "album", "mpeg-audio.album", + FT_STRING, BASE_HEX, NULL, 0, + "mpeg_audio.OCTET_STRING_SIZE_30", HFILL }}, + { &hf_mpeg_audio_year, + { "year", "mpeg-audio.year", + FT_STRING, BASE_HEX, NULL, 0, + "mpeg_audio.OCTET_STRING_SIZE_4", HFILL }}, + { &hf_mpeg_audio_comment, + { "comment", "mpeg-audio.comment", + FT_STRING, BASE_HEX, NULL, 0, + "mpeg_audio.OCTET_STRING_SIZE_28", HFILL }}, + { &hf_mpeg_audio_must_be_zero, + { "must-be-zero", "mpeg-audio.must_be_zero", + FT_UINT32, BASE_DEC, NULL, 0, + "mpeg_audio.INTEGER_0_255", HFILL }}, + { &hf_mpeg_audio_track, + { "track", "mpeg-audio.track", + FT_UINT32, BASE_DEC, NULL, 0, + "mpeg_audio.INTEGER_0_255", HFILL }}, + { &hf_mpeg_audio_genre, + { "genre", "mpeg-audio.genre", + FT_UINT32, BASE_DEC, VALS(mpeg_audio_T_genre_vals), 0, + "mpeg_audio.T_genre", HFILL }}, + +/*--- End of included file: packet-mpeg-audio-hfarr.c ---*/ +#line 175 "packet-mpeg-audio-template.c" + { &hf_mpeg_audio, + { "MPEG Audio", "mpeg.audio", + FT_NONE, BASE_NONE, NULL, 0, NULL, HFILL }}, + { &hf_mpeg_audio_data, + { "Data", "mpeg.audio.data", + FT_BYTES, BASE_NONE, NULL, 0, NULL, HFILL }}, + { &hf_mpeg_audio_padbytes, + { "Padding", "mpeg.audio.padbytes", + FT_BYTES, BASE_NONE, NULL, 0, NULL, HFILL }}, + + { &hf_id3v1, + { "ID3v1", "id3v1", + FT_NONE, BASE_NONE, NULL, 0, NULL, HFILL }}, + { &hf_id3v2, + { "ID3v2", "id3v2", + FT_NONE, BASE_NONE, NULL, 0, NULL, HFILL }}, + }; + + static gint *ett[] = { + +/*--- Included file: packet-mpeg-audio-ettarr.c ---*/ +#line 1 "packet-mpeg-audio-ettarr.c" + &ett_mpeg_audio_Audio, + &ett_mpeg_audio_ID3v1, + +/*--- End of included file: packet-mpeg-audio-ettarr.c ---*/ +#line 195 "packet-mpeg-audio-template.c" + }; + + if (proto_mpeg_audio != -1) + return; + + proto_mpeg_audio = proto_register_protocol( + "Moving Picture Experts Group Audio", "MPEG Audio", "mpeg.audio"); + proto_register_field_array(proto_mpeg_audio, hf, array_length(hf)); + proto_register_subtree_array(ett, array_length(ett)); +} + +void +proto_reg_handoff_mpeg_audio(void) +{ + heur_dissector_add("mpeg", dissect_mpeg_audio, proto_mpeg_audio); +} diff --git a/epan/dissectors/packet-mpeg-pes.c b/epan/dissectors/packet-mpeg-pes.c new file mode 100644 index 0000000000..752f7eea35 --- /dev/null +++ b/epan/dissectors/packet-mpeg-pes.c @@ -0,0 +1,1102 @@ +/* Do not modify this file. */ +/* It is created automatically by the ASN.1 to Wireshark dissector compiler */ +/* ./packet-mpeg-pes.c */ +/* ../../tools/asn2wrs.py -e -p mpeg-pes -c mpeg-pes.cnf -s packet-mpeg-pes-template mpeg-pes.asn */ + +/* Input file: packet-mpeg-pes-template.c */ + +#line 1 "packet-mpeg-pes-template.c" +/* MPEG Packetized Elementary Stream (PES) packet decoder. + * Written by Shaun Jackman <sjackman@gmail.com>. + * Copyright 2007 Shaun Jackman + * + * $Id$ + * + * Wireshark - Network traffic analyzer + * By Gerald Combs <gerald@wireshark.org> + * + * 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 <stdio.h> +#include <string.h> + +#include <glib.h> + +#include <epan/packet.h> +#include <epan/prefs.h> + +#include "packet-per.h" + + +/*--- Included file: packet-mpeg-pes-hf.c ---*/ +#line 1 "packet-mpeg-pes-hf.c" +static int hf_mpeg_pes_prefix = -1; /* OCTET_STRING_SIZE_3 */ +static int hf_mpeg_pes_stream = -1; /* T_stream */ +static int hf_mpeg_pes_must_be_zero = -1; /* BOOLEAN */ +static int hf_mpeg_pes_must_be_one0 = -1; /* BOOLEAN */ +static int hf_mpeg_pes_scr30 = -1; /* BIT_STRING_SIZE_3 */ +static int hf_mpeg_pes_must_be_one1 = -1; /* BOOLEAN */ +static int hf_mpeg_pes_scr15 = -1; /* BIT_STRING_SIZE_15 */ +static int hf_mpeg_pes_must_be_one2 = -1; /* BOOLEAN */ +static int hf_mpeg_pes_scr0 = -1; /* BIT_STRING_SIZE_15 */ +static int hf_mpeg_pes_must_be_one3 = -1; /* BOOLEAN */ +static int hf_mpeg_pes_scr_ext = -1; /* BIT_STRING_SIZE_9 */ +static int hf_mpeg_pes_must_be_one4 = -1; /* BOOLEAN */ +static int hf_mpeg_pes_program_mux_rate = -1; /* BIT_STRING_SIZE_22 */ +static int hf_mpeg_pes_must_be_one5 = -1; /* BOOLEAN */ +static int hf_mpeg_pes_must_be_one6 = -1; /* BOOLEAN */ +static int hf_mpeg_pes_reserved = -1; /* BIT_STRING_SIZE_5 */ +static int hf_mpeg_pes_stuffing_length = -1; /* INTEGER_0_7 */ +static int hf_mpeg_pes_length = -1; /* INTEGER_0_65535 */ +static int hf_mpeg_pes_must_be_one = -1; /* BOOLEAN */ +static int hf_mpeg_pes_scrambling_control = -1; /* T_scrambling_control */ +static int hf_mpeg_pes_priority = -1; /* BOOLEAN */ +static int hf_mpeg_pes_data_alignment = -1; /* BOOLEAN */ +static int hf_mpeg_pes_copyright = -1; /* BOOLEAN */ +static int hf_mpeg_pes_original = -1; /* BOOLEAN */ +static int hf_mpeg_pes_pts_flag = -1; /* BOOLEAN */ +static int hf_mpeg_pes_dts_flag = -1; /* BOOLEAN */ +static int hf_mpeg_pes_escr_flag = -1; /* BOOLEAN */ +static int hf_mpeg_pes_es_rate_flag = -1; /* BOOLEAN */ +static int hf_mpeg_pes_dsm_trick_mode_flag = -1; /* BOOLEAN */ +static int hf_mpeg_pes_additional_copy_info_flag = -1; /* BOOLEAN */ +static int hf_mpeg_pes_crc_flag = -1; /* BOOLEAN */ +static int hf_mpeg_pes_extension_flag = -1; /* BOOLEAN */ +static int hf_mpeg_pes_header_data_length = -1; /* INTEGER_0_255 */ +static int hf_mpeg_pes_horizontal_size = -1; /* BIT_STRING_SIZE_12 */ +static int hf_mpeg_pes_vertical_size = -1; /* BIT_STRING_SIZE_12 */ +static int hf_mpeg_pes_aspect_ratio = -1; /* T_aspect_ratio */ +static int hf_mpeg_pes_frame_rate = -1; /* T_frame_rate */ +static int hf_mpeg_pes_bit_rate = -1; /* BIT_STRING_SIZE_18 */ +static int hf_mpeg_pes_vbv_buffer_size = -1; /* BIT_STRING_SIZE_10 */ +static int hf_mpeg_pes_constrained_parameters_flag = -1; /* BOOLEAN */ +static int hf_mpeg_pes_load_intra_quantiser_matrix = -1; /* BOOLEAN */ +static int hf_mpeg_pes_load_non_intra_quantiser_matrix = -1; /* BOOLEAN */ +static int hf_mpeg_pes_must_be_0001 = -1; /* BIT_STRING_SIZE_4 */ +static int hf_mpeg_pes_profile_and_level = -1; /* INTEGER_0_255 */ +static int hf_mpeg_pes_progressive_sequence = -1; /* BOOLEAN */ +static int hf_mpeg_pes_chroma_format = -1; /* INTEGER_0_3 */ +static int hf_mpeg_pes_horizontal_size_extension = -1; /* INTEGER_0_3 */ +static int hf_mpeg_pes_vertical_size_extension = -1; /* INTEGER_0_3 */ +static int hf_mpeg_pes_bit_rate_extension = -1; /* BIT_STRING_SIZE_12 */ +static int hf_mpeg_pes_vbv_buffer_size_extension = -1; /* INTEGER_0_255 */ +static int hf_mpeg_pes_low_delay = -1; /* BOOLEAN */ +static int hf_mpeg_pes_frame_rate_extension_n = -1; /* INTEGER_0_3 */ +static int hf_mpeg_pes_frame_rate_extension_d = -1; /* INTEGER_0_3 */ +static int hf_mpeg_pes_drop_frame_flag = -1; /* BOOLEAN */ +static int hf_mpeg_pes_hour = -1; /* INTEGER_0_32 */ +static int hf_mpeg_pes_minute = -1; /* INTEGER_0_64 */ +static int hf_mpeg_pes_second = -1; /* INTEGER_0_64 */ +static int hf_mpeg_pes_frame = -1; /* INTEGER_0_64 */ +static int hf_mpeg_pes_closed_gop = -1; /* BOOLEAN */ +static int hf_mpeg_pes_broken_gop = -1; /* BOOLEAN */ +static int hf_mpeg_pes_must_be_zero1 = -1; /* BIT_STRING_SIZE_5 */ +static int hf_mpeg_pes_temporal_sequence_number = -1; /* BIT_STRING_SIZE_10 */ +static int hf_mpeg_pes_frame_type = -1; /* T_frame_type */ +static int hf_mpeg_pes_vbv_delay = -1; /* BIT_STRING_SIZE_16 */ + +/*--- End of included file: packet-mpeg-pes-hf.c ---*/ +#line 40 "packet-mpeg-pes-template.c" + +/*--- Included file: packet-mpeg-pes-ett.c ---*/ +#line 1 "packet-mpeg-pes-ett.c" +static gint ett_mpeg_pes_PES = -1; +static gint ett_mpeg_pes_Pack = -1; +static gint ett_mpeg_pes_Stream = -1; +static gint ett_mpeg_pes_Sequence_header = -1; +static gint ett_mpeg_pes_Sequence_extension = -1; +static gint ett_mpeg_pes_Group_of_pictures = -1; +static gint ett_mpeg_pes_Picture = -1; + +/*--- End of included file: packet-mpeg-pes-ett.c ---*/ +#line 41 "packet-mpeg-pes-template.c" + +/*--- Included file: packet-mpeg-pes-fn.c ---*/ +#line 1 "packet-mpeg-pes-fn.c" + + +static int +dissect_mpeg_pes_OCTET_STRING_SIZE_3(tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { + offset = dissect_per_octet_string(tvb, offset, actx, tree, hf_index, + 3, 3, NULL); + + return offset; +} + + +static const value_string mpeg_pes_T_stream_vals[] = { + { 0, "picture" }, + { 179, "sequence-header" }, + { 181, "sequence-header-extension" }, + { 184, "group-of-pictures" }, + { 185, "program-end" }, + { 186, "pack-header" }, + { 187, "system-header" }, + { 188, "program-stream-map" }, + { 189, "private-stream-1" }, + { 190, "padding-stream" }, + { 191, "private-stream-2" }, + { 192, "audio-stream" }, + { 224, "video-stream" }, + { 0, NULL } +}; + + +static int +dissect_mpeg_pes_T_stream(tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { + offset = dissect_per_constrained_integer(tvb, offset, actx, tree, hf_index, + 0U, 255U, NULL, FALSE); + + return offset; +} + + +static const per_sequence_t PES_sequence[] = { + { &hf_mpeg_pes_prefix , ASN1_NO_EXTENSIONS , ASN1_NOT_OPTIONAL, dissect_mpeg_pes_OCTET_STRING_SIZE_3 }, + { &hf_mpeg_pes_stream , ASN1_NO_EXTENSIONS , ASN1_NOT_OPTIONAL, dissect_mpeg_pes_T_stream }, + { NULL, 0, 0, NULL } +}; + +static int +dissect_mpeg_pes_PES(tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { + offset = dissect_per_sequence(tvb, offset, actx, tree, hf_index, + ett_mpeg_pes_PES, PES_sequence); + + return offset; +} + + + +static int +dissect_mpeg_pes_BOOLEAN(tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { + offset = dissect_per_boolean(tvb, offset, actx, tree, hf_index, NULL); + + return offset; +} + + + +static int +dissect_mpeg_pes_BIT_STRING_SIZE_3(tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { + offset = dissect_per_bit_string(tvb, offset, actx, tree, hf_index, + 3, 3, FALSE, NULL); + + return offset; +} + + + +static int +dissect_mpeg_pes_BIT_STRING_SIZE_15(tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { + offset = dissect_per_bit_string(tvb, offset, actx, tree, hf_index, + 15, 15, FALSE, NULL); + + return offset; +} + + + +static int +dissect_mpeg_pes_BIT_STRING_SIZE_9(tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { + offset = dissect_per_bit_string(tvb, offset, actx, tree, hf_index, + 9, 9, FALSE, NULL); + + return offset; +} + + + +static int +dissect_mpeg_pes_BIT_STRING_SIZE_22(tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { + offset = dissect_per_bit_string(tvb, offset, actx, tree, hf_index, + 22, 22, FALSE, NULL); + + return offset; +} + + + +static int +dissect_mpeg_pes_BIT_STRING_SIZE_5(tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { + offset = dissect_per_bit_string(tvb, offset, actx, tree, hf_index, + 5, 5, FALSE, NULL); + + return offset; +} + + + +static int +dissect_mpeg_pes_INTEGER_0_7(tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { + offset = dissect_per_constrained_integer(tvb, offset, actx, tree, hf_index, + 0U, 7U, NULL, FALSE); + + return offset; +} + + +static const per_sequence_t Pack_sequence[] = { + { &hf_mpeg_pes_must_be_zero, ASN1_NO_EXTENSIONS , ASN1_NOT_OPTIONAL, dissect_mpeg_pes_BOOLEAN }, + { &hf_mpeg_pes_must_be_one0, ASN1_NO_EXTENSIONS , ASN1_NOT_OPTIONAL, dissect_mpeg_pes_BOOLEAN }, + { &hf_mpeg_pes_scr30 , ASN1_NO_EXTENSIONS , ASN1_NOT_OPTIONAL, dissect_mpeg_pes_BIT_STRING_SIZE_3 }, + { &hf_mpeg_pes_must_be_one1, ASN1_NO_EXTENSIONS , ASN1_NOT_OPTIONAL, dissect_mpeg_pes_BOOLEAN }, + { &hf_mpeg_pes_scr15 , ASN1_NO_EXTENSIONS , ASN1_NOT_OPTIONAL, dissect_mpeg_pes_BIT_STRING_SIZE_15 }, + { &hf_mpeg_pes_must_be_one2, ASN1_NO_EXTENSIONS , ASN1_NOT_OPTIONAL, dissect_mpeg_pes_BOOLEAN }, + { &hf_mpeg_pes_scr0 , ASN1_NO_EXTENSIONS , ASN1_NOT_OPTIONAL, dissect_mpeg_pes_BIT_STRING_SIZE_15 }, + { &hf_mpeg_pes_must_be_one3, ASN1_NO_EXTENSIONS , ASN1_NOT_OPTIONAL, dissect_mpeg_pes_BOOLEAN }, + { &hf_mpeg_pes_scr_ext , ASN1_NO_EXTENSIONS , ASN1_NOT_OPTIONAL, dissect_mpeg_pes_BIT_STRING_SIZE_9 }, + { &hf_mpeg_pes_must_be_one4, ASN1_NO_EXTENSIONS , ASN1_NOT_OPTIONAL, dissect_mpeg_pes_BOOLEAN }, + { &hf_mpeg_pes_program_mux_rate, ASN1_NO_EXTENSIONS , ASN1_NOT_OPTIONAL, dissect_mpeg_pes_BIT_STRING_SIZE_22 }, + { &hf_mpeg_pes_must_be_one5, ASN1_NO_EXTENSIONS , ASN1_NOT_OPTIONAL, dissect_mpeg_pes_BOOLEAN }, + { &hf_mpeg_pes_must_be_one6, ASN1_NO_EXTENSIONS , ASN1_NOT_OPTIONAL, dissect_mpeg_pes_BOOLEAN }, + { &hf_mpeg_pes_reserved , ASN1_NO_EXTENSIONS , ASN1_NOT_OPTIONAL, dissect_mpeg_pes_BIT_STRING_SIZE_5 }, + { &hf_mpeg_pes_stuffing_length, ASN1_NO_EXTENSIONS , ASN1_NOT_OPTIONAL, dissect_mpeg_pes_INTEGER_0_7 }, + { NULL, 0, 0, NULL } +}; + +static int +dissect_mpeg_pes_Pack(tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { + offset = dissect_per_sequence(tvb, offset, actx, tree, hf_index, + ett_mpeg_pes_Pack, Pack_sequence); + + return offset; +} + + + +static int +dissect_mpeg_pes_INTEGER_0_65535(tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { + offset = dissect_per_constrained_integer(tvb, offset, actx, tree, hf_index, + 0U, 65535U, NULL, FALSE); + + return offset; +} + + +static const value_string mpeg_pes_T_scrambling_control_vals[] = { + { 0, "not-scrambled" }, + { 0, NULL } +}; + + +static int +dissect_mpeg_pes_T_scrambling_control(tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { + offset = dissect_per_constrained_integer(tvb, offset, actx, tree, hf_index, + 0U, 3U, NULL, FALSE); + + return offset; +} + + + +static int +dissect_mpeg_pes_INTEGER_0_255(tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { + offset = dissect_per_constrained_integer(tvb, offset, actx, tree, hf_index, + 0U, 255U, NULL, FALSE); + + return offset; +} + + +static const per_sequence_t Stream_sequence[] = { + { &hf_mpeg_pes_length , ASN1_NO_EXTENSIONS , ASN1_NOT_OPTIONAL, dissect_mpeg_pes_INTEGER_0_65535 }, + { &hf_mpeg_pes_must_be_one, ASN1_NO_EXTENSIONS , ASN1_NOT_OPTIONAL, dissect_mpeg_pes_BOOLEAN }, + { &hf_mpeg_pes_must_be_zero, ASN1_NO_EXTENSIONS , ASN1_NOT_OPTIONAL, dissect_mpeg_pes_BOOLEAN }, + { &hf_mpeg_pes_scrambling_control, ASN1_NO_EXTENSIONS , ASN1_NOT_OPTIONAL, dissect_mpeg_pes_T_scrambling_control }, + { &hf_mpeg_pes_priority , ASN1_NO_EXTENSIONS , ASN1_NOT_OPTIONAL, dissect_mpeg_pes_BOOLEAN }, + { &hf_mpeg_pes_data_alignment, ASN1_NO_EXTENSIONS , ASN1_NOT_OPTIONAL, dissect_mpeg_pes_BOOLEAN }, + { &hf_mpeg_pes_copyright , ASN1_NO_EXTENSIONS , ASN1_NOT_OPTIONAL, dissect_mpeg_pes_BOOLEAN }, + { &hf_mpeg_pes_original , ASN1_NO_EXTENSIONS , ASN1_NOT_OPTIONAL, dissect_mpeg_pes_BOOLEAN }, + { &hf_mpeg_pes_pts_flag , ASN1_NO_EXTENSIONS , ASN1_NOT_OPTIONAL, dissect_mpeg_pes_BOOLEAN }, + { &hf_mpeg_pes_dts_flag , ASN1_NO_EXTENSIONS , ASN1_NOT_OPTIONAL, dissect_mpeg_pes_BOOLEAN }, + { &hf_mpeg_pes_escr_flag , ASN1_NO_EXTENSIONS , ASN1_NOT_OPTIONAL, dissect_mpeg_pes_BOOLEAN }, + { &hf_mpeg_pes_es_rate_flag, ASN1_NO_EXTENSIONS , ASN1_NOT_OPTIONAL, dissect_mpeg_pes_BOOLEAN }, + { &hf_mpeg_pes_dsm_trick_mode_flag, ASN1_NO_EXTENSIONS , ASN1_NOT_OPTIONAL, dissect_mpeg_pes_BOOLEAN }, + { &hf_mpeg_pes_additional_copy_info_flag, ASN1_NO_EXTENSIONS , ASN1_NOT_OPTIONAL, dissect_mpeg_pes_BOOLEAN }, + { &hf_mpeg_pes_crc_flag , ASN1_NO_EXTENSIONS , ASN1_NOT_OPTIONAL, dissect_mpeg_pes_BOOLEAN }, + { &hf_mpeg_pes_extension_flag, ASN1_NO_EXTENSIONS , ASN1_NOT_OPTIONAL, dissect_mpeg_pes_BOOLEAN }, + { &hf_mpeg_pes_header_data_length, ASN1_NO_EXTENSIONS , ASN1_NOT_OPTIONAL, dissect_mpeg_pes_INTEGER_0_255 }, + { NULL, 0, 0, NULL } +}; + +static int +dissect_mpeg_pes_Stream(tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { + offset = dissect_per_sequence(tvb, offset, actx, tree, hf_index, + ett_mpeg_pes_Stream, Stream_sequence); + + return offset; +} + + + +static int +dissect_mpeg_pes_BIT_STRING_SIZE_12(tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { + offset = dissect_per_bit_string(tvb, offset, actx, tree, hf_index, + 12, 12, FALSE, NULL); + + return offset; +} + + +static const value_string mpeg_pes_T_aspect_ratio_vals[] = { + { 1, "aspect-1to1" }, + { 2, "aspect-4to3" }, + { 3, "aspect-16to9" }, + { 4, "aspect-2-21to1" }, + { 0, NULL } +}; + + +static int +dissect_mpeg_pes_T_aspect_ratio(tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { + offset = dissect_per_constrained_integer(tvb, offset, actx, tree, hf_index, + 0U, 15U, NULL, FALSE); + + return offset; +} + + +static const value_string mpeg_pes_T_frame_rate_vals[] = { + { 0, "reserved" }, + { 23976, "fr" }, + { 24000, "fr" }, + { 25000, "fr" }, + { 29970, "fr" }, + { 30000, "fr" }, + { 50000, "fr" }, + { 59940, "fr" }, + { 60000, "fr" }, + { 0, NULL } +}; + +static guint32 T_frame_rate_value_map[9+0] = {0, 23976, 24000, 25000, 29970, 30000, 50000, 59940, 60000}; + +static int +dissect_mpeg_pes_T_frame_rate(tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { + offset = dissect_per_enumerated(tvb, offset, actx, tree, hf_index, + 9, NULL, FALSE, 0, T_frame_rate_value_map); + + return offset; +} + + + +static int +dissect_mpeg_pes_BIT_STRING_SIZE_18(tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { + offset = dissect_per_bit_string(tvb, offset, actx, tree, hf_index, + 18, 18, FALSE, NULL); + + return offset; +} + + + +static int +dissect_mpeg_pes_BIT_STRING_SIZE_10(tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { + offset = dissect_per_bit_string(tvb, offset, actx, tree, hf_index, + 10, 10, FALSE, NULL); + + return offset; +} + + +static const per_sequence_t Sequence_header_sequence[] = { + { &hf_mpeg_pes_horizontal_size, ASN1_NO_EXTENSIONS , ASN1_NOT_OPTIONAL, dissect_mpeg_pes_BIT_STRING_SIZE_12 }, + { &hf_mpeg_pes_vertical_size, ASN1_NO_EXTENSIONS , ASN1_NOT_OPTIONAL, dissect_mpeg_pes_BIT_STRING_SIZE_12 }, + { &hf_mpeg_pes_aspect_ratio, ASN1_NO_EXTENSIONS , ASN1_NOT_OPTIONAL, dissect_mpeg_pes_T_aspect_ratio }, + { &hf_mpeg_pes_frame_rate , ASN1_NO_EXTENSIONS , ASN1_NOT_OPTIONAL, dissect_mpeg_pes_T_frame_rate }, + { &hf_mpeg_pes_bit_rate , ASN1_NO_EXTENSIONS , ASN1_NOT_OPTIONAL, dissect_mpeg_pes_BIT_STRING_SIZE_18 }, + { &hf_mpeg_pes_must_be_one, ASN1_NO_EXTENSIONS , ASN1_NOT_OPTIONAL, dissect_mpeg_pes_BOOLEAN }, + { &hf_mpeg_pes_vbv_buffer_size, ASN1_NO_EXTENSIONS , ASN1_NOT_OPTIONAL, dissect_mpeg_pes_BIT_STRING_SIZE_10 }, + { &hf_mpeg_pes_constrained_parameters_flag, ASN1_NO_EXTENSIONS , ASN1_NOT_OPTIONAL, dissect_mpeg_pes_BOOLEAN }, + { &hf_mpeg_pes_load_intra_quantiser_matrix, ASN1_NO_EXTENSIONS , ASN1_NOT_OPTIONAL, dissect_mpeg_pes_BOOLEAN }, + { &hf_mpeg_pes_load_non_intra_quantiser_matrix, ASN1_NO_EXTENSIONS , ASN1_NOT_OPTIONAL, dissect_mpeg_pes_BOOLEAN }, + { NULL, 0, 0, NULL } +}; + +static int +dissect_mpeg_pes_Sequence_header(tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { + offset = dissect_per_sequence(tvb, offset, actx, tree, hf_index, + ett_mpeg_pes_Sequence_header, Sequence_header_sequence); + + return offset; +} + + + +static int +dissect_mpeg_pes_BIT_STRING_SIZE_4(tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { + offset = dissect_per_bit_string(tvb, offset, actx, tree, hf_index, + 4, 4, FALSE, NULL); + + return offset; +} + + + +static int +dissect_mpeg_pes_INTEGER_0_3(tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { + offset = dissect_per_constrained_integer(tvb, offset, actx, tree, hf_index, + 0U, 3U, NULL, FALSE); + + return offset; +} + + +static const per_sequence_t Sequence_extension_sequence[] = { + { &hf_mpeg_pes_must_be_0001, ASN1_NO_EXTENSIONS , ASN1_NOT_OPTIONAL, dissect_mpeg_pes_BIT_STRING_SIZE_4 }, + { &hf_mpeg_pes_profile_and_level, ASN1_NO_EXTENSIONS , ASN1_NOT_OPTIONAL, dissect_mpeg_pes_INTEGER_0_255 }, + { &hf_mpeg_pes_progressive_sequence, ASN1_NO_EXTENSIONS , ASN1_NOT_OPTIONAL, dissect_mpeg_pes_BOOLEAN }, + { &hf_mpeg_pes_chroma_format, ASN1_NO_EXTENSIONS , ASN1_NOT_OPTIONAL, dissect_mpeg_pes_INTEGER_0_3 }, + { &hf_mpeg_pes_horizontal_size_extension, ASN1_NO_EXTENSIONS , ASN1_NOT_OPTIONAL, dissect_mpeg_pes_INTEGER_0_3 }, + { &hf_mpeg_pes_vertical_size_extension, ASN1_NO_EXTENSIONS , ASN1_NOT_OPTIONAL, dissect_mpeg_pes_INTEGER_0_3 }, + { &hf_mpeg_pes_bit_rate_extension, ASN1_NO_EXTENSIONS , ASN1_NOT_OPTIONAL, dissect_mpeg_pes_BIT_STRING_SIZE_12 }, + { &hf_mpeg_pes_must_be_one, ASN1_NO_EXTENSIONS , ASN1_NOT_OPTIONAL, dissect_mpeg_pes_BOOLEAN }, + { &hf_mpeg_pes_vbv_buffer_size_extension, ASN1_NO_EXTENSIONS , ASN1_NOT_OPTIONAL, dissect_mpeg_pes_INTEGER_0_255 }, + { &hf_mpeg_pes_low_delay , ASN1_NO_EXTENSIONS , ASN1_NOT_OPTIONAL, dissect_mpeg_pes_BOOLEAN }, + { &hf_mpeg_pes_frame_rate_extension_n, ASN1_NO_EXTENSIONS , ASN1_NOT_OPTIONAL, dissect_mpeg_pes_INTEGER_0_3 }, + { &hf_mpeg_pes_frame_rate_extension_d, ASN1_NO_EXTENSIONS , ASN1_NOT_OPTIONAL, dissect_mpeg_pes_INTEGER_0_3 }, + { NULL, 0, 0, NULL } +}; + +static int +dissect_mpeg_pes_Sequence_extension(tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { + offset = dissect_per_sequence(tvb, offset, actx, tree, hf_index, + ett_mpeg_pes_Sequence_extension, Sequence_extension_sequence); + + return offset; +} + + + +static int +dissect_mpeg_pes_INTEGER_0_32(tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { + offset = dissect_per_constrained_integer(tvb, offset, actx, tree, hf_index, + 0U, 32U, NULL, FALSE); + + return offset; +} + + + +static int +dissect_mpeg_pes_INTEGER_0_64(tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { + offset = dissect_per_constrained_integer(tvb, offset, actx, tree, hf_index, + 0U, 64U, NULL, FALSE); + + return offset; +} + + +static const per_sequence_t Group_of_pictures_sequence[] = { + { &hf_mpeg_pes_drop_frame_flag, ASN1_NO_EXTENSIONS , ASN1_NOT_OPTIONAL, dissect_mpeg_pes_BOOLEAN }, + { &hf_mpeg_pes_hour , ASN1_NO_EXTENSIONS , ASN1_NOT_OPTIONAL, dissect_mpeg_pes_INTEGER_0_32 }, + { &hf_mpeg_pes_minute , ASN1_NO_EXTENSIONS , ASN1_NOT_OPTIONAL, dissect_mpeg_pes_INTEGER_0_64 }, + { &hf_mpeg_pes_must_be_one, ASN1_NO_EXTENSIONS , ASN1_NOT_OPTIONAL, dissect_mpeg_pes_BOOLEAN }, + { &hf_mpeg_pes_second , ASN1_NO_EXTENSIONS , ASN1_NOT_OPTIONAL, dissect_mpeg_pes_INTEGER_0_64 }, + { &hf_mpeg_pes_frame , ASN1_NO_EXTENSIONS , ASN1_NOT_OPTIONAL, dissect_mpeg_pes_INTEGER_0_64 }, + { &hf_mpeg_pes_closed_gop , ASN1_NO_EXTENSIONS , ASN1_NOT_OPTIONAL, dissect_mpeg_pes_BOOLEAN }, + { &hf_mpeg_pes_broken_gop , ASN1_NO_EXTENSIONS , ASN1_NOT_OPTIONAL, dissect_mpeg_pes_BOOLEAN }, + { &hf_mpeg_pes_must_be_zero1, ASN1_NO_EXTENSIONS , ASN1_NOT_OPTIONAL, dissect_mpeg_pes_BIT_STRING_SIZE_5 }, + { NULL, 0, 0, NULL } +}; + +static int +dissect_mpeg_pes_Group_of_pictures(tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { + offset = dissect_per_sequence(tvb, offset, actx, tree, hf_index, + ett_mpeg_pes_Group_of_pictures, Group_of_pictures_sequence); + + return offset; +} + + +static const value_string mpeg_pes_T_frame_type_vals[] = { + { 1, "i-frame" }, + { 2, "p-frame" }, + { 3, "b-frame" }, + { 4, "d-frame" }, + { 0, NULL } +}; + + +static int +dissect_mpeg_pes_T_frame_type(tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { + offset = dissect_per_constrained_integer(tvb, offset, actx, tree, hf_index, + 0U, 7U, NULL, FALSE); + + return offset; +} + + + +static int +dissect_mpeg_pes_BIT_STRING_SIZE_16(tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { + offset = dissect_per_bit_string(tvb, offset, actx, tree, hf_index, + 16, 16, FALSE, NULL); + + return offset; +} + + +static const per_sequence_t Picture_sequence[] = { + { &hf_mpeg_pes_temporal_sequence_number, ASN1_NO_EXTENSIONS , ASN1_NOT_OPTIONAL, dissect_mpeg_pes_BIT_STRING_SIZE_10 }, + { &hf_mpeg_pes_frame_type , ASN1_NO_EXTENSIONS , ASN1_NOT_OPTIONAL, dissect_mpeg_pes_T_frame_type }, + { &hf_mpeg_pes_vbv_delay , ASN1_NO_EXTENSIONS , ASN1_NOT_OPTIONAL, dissect_mpeg_pes_BIT_STRING_SIZE_16 }, + { NULL, 0, 0, NULL } +}; + +static int +dissect_mpeg_pes_Picture(tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { + offset = dissect_per_sequence(tvb, offset, actx, tree, hf_index, + ett_mpeg_pes_Picture, Picture_sequence); + + return offset; +} + + +/*--- End of included file: packet-mpeg-pes-fn.c ---*/ +#line 42 "packet-mpeg-pes-template.c" + +static int proto_mpeg = -1; +static int proto_mpeg_pes = -1; +static int hf_mpeg_pes_pack_header = -1; +static int hf_mpeg_pes_stuffing = -1; +static int hf_mpeg_pes_extension = -1; +static int hf_mpeg_pes_header_data = -1; +static int hf_mpeg_pes_padding = -1; + +static int hf_mpeg_pes_data = -1; + +static int hf_mpeg_video_sequence_header = -1; +static int hf_mpeg_video_sequence_extension = -1; +static int hf_mpeg_video_group_of_pictures = -1; +static int hf_mpeg_video_picture = -1; +static int hf_mpeg_video_quantization_matrix = -1; +static int hf_mpeg_video_data = -1; + +enum { PES_PREFIX = 1 }; +enum { + STREAM_PICTURE = 0x00, + STREAM_SEQUENCE = 0xb3, + STREAM_SEQUENCE_EXTENSION = 0xb5, + STREAM_GOP = 0xb8, + STREAM_END = 0xb9, + STREAM_PACK = 0xba, + STREAM_SYSTEM = 0xbb, + STREAM_PROGRAM = 0xbc, + STREAM_PRIVATE1 = 0xbd, + STREAM_PADDING = 0xbe, + STREAM_PRIVATE2 = 0xbf, + STREAM_AUDIO = 0xc0, + STREAM_VIDEO = 0xe0, +}; + +void +dissect_mpeg(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); + +static gboolean +dissect_mpeg_pes(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) +{ + int prefix; + int stream; + asn1_ctx_t asn1_ctx; + int offset = 0; + + prefix = tvb_get_ntoh24(tvb, 0); + if (prefix != PES_PREFIX) + return FALSE; + if (check_col(pinfo->cinfo, COL_PROTOCOL)) + col_set_str(pinfo->cinfo, COL_PROTOCOL, "MPEG PES"); + + stream = tvb_get_guint8(tvb, 3); + if (check_col(pinfo->cinfo, COL_INFO)) { + const char *s = match_strval(stream, mpeg_pes_T_stream_vals); + if (s != NULL) + col_set_str(pinfo->cinfo, COL_INFO, s); + } + +#if 0 + if (tree == NULL) + return TRUE; +#endif + asn1_ctx_init(&asn1_ctx, ASN1_ENC_PER, TRUE, pinfo); + offset = dissect_mpeg_pes_PES(tvb, offset, &asn1_ctx, + tree, proto_mpeg_pes); + + if (stream == STREAM_PICTURE) { + int frame_type; + + frame_type = tvb_get_guint8(tvb, 5) >> 3 & 0x07; + if (check_col(pinfo->cinfo, COL_INFO)) { + const char *s = match_strval(frame_type, + mpeg_pes_T_frame_type_vals); + if (s != NULL) + col_set_str(pinfo->cinfo, COL_INFO, s); + } + + offset = dissect_mpeg_pes_Picture(tvb, offset, &asn1_ctx, + tree, hf_mpeg_video_picture); + proto_tree_add_item(tree, hf_mpeg_video_data, tvb, + offset / 8, -1, FALSE); + } else if (stream == STREAM_SEQUENCE) { + tvbuff_t *es; + + offset = dissect_mpeg_pes_Sequence_header(tvb, offset, &asn1_ctx, + tree, hf_mpeg_video_sequence_header); + + proto_tree_add_item(tree, hf_mpeg_video_quantization_matrix, tvb, + offset / 8, 64, FALSE); + offset += 64 * 8; + + es = tvb_new_subset(tvb, offset / 8, -1, -1); + dissect_mpeg_pes(es, pinfo, tree); + } else if (stream == STREAM_SEQUENCE_EXTENSION) { + tvbuff_t *es; + + offset = dissect_mpeg_pes_Sequence_extension(tvb, offset, &asn1_ctx, + tree, hf_mpeg_video_sequence_extension); + + es = tvb_new_subset(tvb, offset / 8, -1, -1); + dissect_mpeg_pes(es, pinfo, tree); + } else if (stream == STREAM_GOP) { + tvbuff_t *es; + + offset = dissect_mpeg_pes_Group_of_pictures(tvb, offset, &asn1_ctx, + tree, hf_mpeg_video_group_of_pictures); + + es = tvb_new_subset(tvb, offset / 8, -1, -1); + dissect_mpeg_pes(es, pinfo, tree); + } else if (stream == STREAM_PACK) { + int length; + switch (tvb_get_guint8(tvb, 4) >> 6) { + case 1: + length = tvb_get_guint8(tvb, 13) & 0x07; + offset = dissect_mpeg_pes_Pack(tvb, offset, &asn1_ctx, + tree, hf_mpeg_pes_pack_header); + if (length > 0) + proto_tree_add_item(tree, hf_mpeg_pes_stuffing, tvb, + offset / 8, length, FALSE); + break; + default: + length = 8; + proto_tree_add_item(tree, hf_mpeg_pes_data, tvb, + offset / 8, length, FALSE); + } + offset += length * 8; + } else if (stream == STREAM_SYSTEM) { + offset = dissect_mpeg_pes_Stream(tvb, offset, &asn1_ctx, + tree, hf_mpeg_pes_extension); + proto_tree_add_item(tree, hf_mpeg_pes_data, tvb, + offset / 8, -1, FALSE); + } else if (stream == STREAM_PADDING) { + int padding_length; + + padding_length = tvb_get_ntohs(tvb, 4); + proto_tree_add_item(tree, hf_mpeg_pes_length, tvb, + offset / 8, 2, FALSE); + offset += 2 * 8; + + proto_tree_add_item(tree, hf_mpeg_pes_padding, tvb, + offset / 8, padding_length, FALSE); + } else if (stream == STREAM_PRIVATE1 + || stream >= STREAM_AUDIO) { + int length; + int header_length; + tvbuff_t *es; + + length = tvb_get_ntohs(tvb, 4); + + offset = dissect_mpeg_pes_Stream(tvb, offset, &asn1_ctx, + tree, hf_mpeg_pes_extension); + length -= 5 * 8; + + header_length = tvb_get_guint8(tvb, 8); + if (header_length > 0) { + proto_tree_add_item(tree, hf_mpeg_pes_header_data, tvb, + offset / 8, header_length, FALSE); + offset += header_length * 8; + length -= header_length * 8; + } + + es = tvb_new_subset(tvb, offset / 8, -1, length / 8); + if (tvb_get_ntoh24(es, 0) == PES_PREFIX) + dissect_mpeg_pes(es, pinfo, tree); + else if (tvb_get_guint8(es, 0) == 0xff) + dissect_mpeg(es, pinfo, tree); + else + proto_tree_add_item(tree, hf_mpeg_pes_data, es, + 0, -1, FALSE); + } else { + proto_tree_add_item(tree, hf_mpeg_pes_data, tvb, + offset / 8, -1, FALSE); + } + return TRUE; +} + +static heur_dissector_list_t heur_subdissector_list; + +void +dissect_mpeg(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) +{ + dissector_try_heuristic(heur_subdissector_list, tvb, pinfo, tree); +} + +void +proto_register_mpeg_pes(void) +{ + static hf_register_info hf[] = { + +/*--- Included file: packet-mpeg-pes-hfarr.c ---*/ +#line 1 "packet-mpeg-pes-hfarr.c" + { &hf_mpeg_pes_prefix, + { "prefix", "mpeg-pes.prefix", + FT_BYTES, BASE_HEX, NULL, 0, + "mpeg_pes.OCTET_STRING_SIZE_3", HFILL }}, + { &hf_mpeg_pes_stream, + { "stream", "mpeg-pes.stream", + FT_UINT8, BASE_HEX, VALS(mpeg_pes_T_stream_vals), 0, + "mpeg_pes.T_stream", HFILL }}, + { &hf_mpeg_pes_must_be_zero, + { "must-be-zero", "mpeg-pes.must_be_zero", + FT_BOOLEAN, 8, NULL, 0, + "mpeg_pes.BOOLEAN", HFILL }}, + { &hf_mpeg_pes_must_be_one0, + { "must-be-one0", "mpeg-pes.must_be_one0", + FT_BOOLEAN, 8, NULL, 0, + "mpeg_pes.BOOLEAN", HFILL }}, + { &hf_mpeg_pes_scr30, + { "scr30", "mpeg-pes.scr30", + FT_BYTES, BASE_HEX, NULL, 0, + "mpeg_pes.BIT_STRING_SIZE_3", HFILL }}, + { &hf_mpeg_pes_must_be_one1, + { "must-be-one1", "mpeg-pes.must_be_one1", + FT_BOOLEAN, 8, NULL, 0, + "mpeg_pes.BOOLEAN", HFILL }}, + { &hf_mpeg_pes_scr15, + { "scr15", "mpeg-pes.scr15", + FT_BYTES, BASE_HEX, NULL, 0, + "mpeg_pes.BIT_STRING_SIZE_15", HFILL }}, + { &hf_mpeg_pes_must_be_one2, + { "must-be-one2", "mpeg-pes.must_be_one2", + FT_BOOLEAN, 8, NULL, 0, + "mpeg_pes.BOOLEAN", HFILL }}, + { &hf_mpeg_pes_scr0, + { "scr0", "mpeg-pes.scr0", + FT_BYTES, BASE_HEX, NULL, 0, + "mpeg_pes.BIT_STRING_SIZE_15", HFILL }}, + { &hf_mpeg_pes_must_be_one3, + { "must-be-one3", "mpeg-pes.must_be_one3", + FT_BOOLEAN, 8, NULL, 0, + "mpeg_pes.BOOLEAN", HFILL }}, + { &hf_mpeg_pes_scr_ext, + { "scr-ext", "mpeg-pes.scr_ext", + FT_BYTES, BASE_HEX, NULL, 0, + "mpeg_pes.BIT_STRING_SIZE_9", HFILL }}, + { &hf_mpeg_pes_must_be_one4, + { "must-be-one4", "mpeg-pes.must_be_one4", + FT_BOOLEAN, 8, NULL, 0, + "mpeg_pes.BOOLEAN", HFILL }}, + { &hf_mpeg_pes_program_mux_rate, + { "program-mux-rate", "mpeg-pes.program_mux_rate", + FT_UINT32, BASE_DEC, NULL, 0, + "mpeg_pes.BIT_STRING_SIZE_22", HFILL }}, + { &hf_mpeg_pes_must_be_one5, + { "must-be-one5", "mpeg-pes.must_be_one5", + FT_BOOLEAN, 8, NULL, 0, + "mpeg_pes.BOOLEAN", HFILL }}, + { &hf_mpeg_pes_must_be_one6, + { "must-be-one6", "mpeg-pes.must_be_one6", + FT_BOOLEAN, 8, NULL, 0, + "mpeg_pes.BOOLEAN", HFILL }}, + { &hf_mpeg_pes_reserved, + { "reserved", "mpeg-pes.reserved", + FT_BYTES, BASE_HEX, NULL, 0, + "mpeg_pes.BIT_STRING_SIZE_5", HFILL }}, + { &hf_mpeg_pes_stuffing_length, + { "stuffing-length", "mpeg-pes.stuffing_length", + FT_UINT32, BASE_DEC, NULL, 0, + "mpeg_pes.INTEGER_0_7", HFILL }}, + { &hf_mpeg_pes_length, + { "length", "mpeg-pes.length", + FT_UINT16, BASE_DEC, NULL, 0, + "mpeg_pes.INTEGER_0_65535", HFILL }}, + { &hf_mpeg_pes_must_be_one, + { "must-be-one", "mpeg-pes.must_be_one", + FT_BOOLEAN, 8, NULL, 0, + "mpeg_pes.BOOLEAN", HFILL }}, + { &hf_mpeg_pes_scrambling_control, + { "scrambling-control", "mpeg-pes.scrambling_control", + FT_UINT32, BASE_DEC, VALS(mpeg_pes_T_scrambling_control_vals), 0, + "mpeg_pes.T_scrambling_control", HFILL }}, + { &hf_mpeg_pes_priority, + { "priority", "mpeg-pes.priority", + FT_BOOLEAN, 8, NULL, 0, + "mpeg_pes.BOOLEAN", HFILL }}, + { &hf_mpeg_pes_data_alignment, + { "data-alignment", "mpeg-pes.data_alignment", + FT_BOOLEAN, 8, NULL, 0, + "mpeg_pes.BOOLEAN", HFILL }}, + { &hf_mpeg_pes_copyright, + { "copyright", "mpeg-pes.copyright", + FT_BOOLEAN, 8, NULL, 0, + "mpeg_pes.BOOLEAN", HFILL }}, + { &hf_mpeg_pes_original, + { "original", "mpeg-pes.original", + FT_BOOLEAN, 8, NULL, 0, + "mpeg_pes.BOOLEAN", HFILL }}, + { &hf_mpeg_pes_pts_flag, + { "pts-flag", "mpeg-pes.pts_flag", + FT_BOOLEAN, 8, NULL, 0, + "mpeg_pes.BOOLEAN", HFILL }}, + { &hf_mpeg_pes_dts_flag, + { "dts-flag", "mpeg-pes.dts_flag", + FT_BOOLEAN, 8, NULL, 0, + "mpeg_pes.BOOLEAN", HFILL }}, + { &hf_mpeg_pes_escr_flag, + { "escr-flag", "mpeg-pes.escr_flag", + FT_BOOLEAN, 8, NULL, 0, + "mpeg_pes.BOOLEAN", HFILL }}, + { &hf_mpeg_pes_es_rate_flag, + { "es-rate-flag", "mpeg-pes.es_rate_flag", + FT_BOOLEAN, 8, NULL, 0, + "mpeg_pes.BOOLEAN", HFILL }}, + { &hf_mpeg_pes_dsm_trick_mode_flag, + { "dsm-trick-mode-flag", "mpeg-pes.dsm_trick_mode_flag", + FT_BOOLEAN, 8, NULL, 0, + "mpeg_pes.BOOLEAN", HFILL }}, + { &hf_mpeg_pes_additional_copy_info_flag, + { "additional-copy-info-flag", "mpeg-pes.additional_copy_info_flag", + FT_BOOLEAN, 8, NULL, 0, + "mpeg_pes.BOOLEAN", HFILL }}, + { &hf_mpeg_pes_crc_flag, + { "crc-flag", "mpeg-pes.crc_flag", + FT_BOOLEAN, 8, NULL, 0, + "mpeg_pes.BOOLEAN", HFILL }}, + { &hf_mpeg_pes_extension_flag, + { "extension-flag", "mpeg-pes.extension_flag", + FT_BOOLEAN, 8, NULL, 0, + "mpeg_pes.BOOLEAN", HFILL }}, + { &hf_mpeg_pes_header_data_length, + { "header-data-length", "mpeg-pes.header_data_length", + FT_UINT32, BASE_DEC, NULL, 0, + "mpeg_pes.INTEGER_0_255", HFILL }}, + { &hf_mpeg_pes_horizontal_size, + { "horizontal-size", "mpeg-pes.horizontal_size", + FT_BYTES, BASE_HEX, NULL, 0, + "mpeg_pes.BIT_STRING_SIZE_12", HFILL }}, + { &hf_mpeg_pes_vertical_size, + { "vertical-size", "mpeg-pes.vertical_size", + FT_BYTES, BASE_HEX, NULL, 0, + "mpeg_pes.BIT_STRING_SIZE_12", HFILL }}, + { &hf_mpeg_pes_aspect_ratio, + { "aspect-ratio", "mpeg-pes.aspect_ratio", + FT_UINT32, BASE_DEC, VALS(mpeg_pes_T_aspect_ratio_vals), 0, + "mpeg_pes.T_aspect_ratio", HFILL }}, + { &hf_mpeg_pes_frame_rate, + { "frame-rate", "mpeg-pes.frame_rate", + FT_UINT32, BASE_DEC, VALS(mpeg_pes_T_frame_rate_vals), 0, + "mpeg_pes.T_frame_rate", HFILL }}, + { &hf_mpeg_pes_bit_rate, + { "bit-rate", "mpeg-pes.bit_rate", + FT_BYTES, BASE_HEX, NULL, 0, + "mpeg_pes.BIT_STRING_SIZE_18", HFILL }}, + { &hf_mpeg_pes_vbv_buffer_size, + { "vbv-buffer-size", "mpeg-pes.vbv_buffer_size", + FT_BYTES, BASE_HEX, NULL, 0, + "mpeg_pes.BIT_STRING_SIZE_10", HFILL }}, + { &hf_mpeg_pes_constrained_parameters_flag, + { "constrained-parameters-flag", "mpeg-pes.constrained_parameters_flag", + FT_BOOLEAN, 8, NULL, 0, + "mpeg_pes.BOOLEAN", HFILL }}, + { &hf_mpeg_pes_load_intra_quantiser_matrix, + { "load-intra-quantiser-matrix", "mpeg-pes.load_intra_quantiser_matrix", + FT_BOOLEAN, 8, NULL, 0, + "mpeg_pes.BOOLEAN", HFILL }}, + { &hf_mpeg_pes_load_non_intra_quantiser_matrix, + { "load-non-intra-quantiser-matrix", "mpeg-pes.load_non_intra_quantiser_matrix", + FT_BOOLEAN, 8, NULL, 0, + "mpeg_pes.BOOLEAN", HFILL }}, + { &hf_mpeg_pes_must_be_0001, + { "must-be-0001", "mpeg-pes.must_be_0001", + FT_BYTES, BASE_HEX, NULL, 0, + "mpeg_pes.BIT_STRING_SIZE_4", HFILL }}, + { &hf_mpeg_pes_profile_and_level, + { "profile-and-level", "mpeg-pes.profile_and_level", + FT_UINT32, BASE_DEC, NULL, 0, + "mpeg_pes.INTEGER_0_255", HFILL }}, + { &hf_mpeg_pes_progressive_sequence, + { "progressive-sequence", "mpeg-pes.progressive_sequence", + FT_BOOLEAN, 8, NULL, 0, + "mpeg_pes.BOOLEAN", HFILL }}, + { &hf_mpeg_pes_chroma_format, + { "chroma-format", "mpeg-pes.chroma_format", + FT_UINT32, BASE_DEC, NULL, 0, + "mpeg_pes.INTEGER_0_3", HFILL }}, + { &hf_mpeg_pes_horizontal_size_extension, + { "horizontal-size-extension", "mpeg-pes.horizontal_size_extension", + FT_UINT32, BASE_DEC, NULL, 0, + "mpeg_pes.INTEGER_0_3", HFILL }}, + { &hf_mpeg_pes_vertical_size_extension, + { "vertical-size-extension", "mpeg-pes.vertical_size_extension", + FT_UINT32, BASE_DEC, NULL, 0, + "mpeg_pes.INTEGER_0_3", HFILL }}, + { &hf_mpeg_pes_bit_rate_extension, + { "bit-rate-extension", "mpeg-pes.bit_rate_extension", + FT_BYTES, BASE_HEX, NULL, 0, + "mpeg_pes.BIT_STRING_SIZE_12", HFILL }}, + { &hf_mpeg_pes_vbv_buffer_size_extension, + { "vbv-buffer-size-extension", "mpeg-pes.vbv_buffer_size_extension", + FT_UINT32, BASE_DEC, NULL, 0, + "mpeg_pes.INTEGER_0_255", HFILL }}, + { &hf_mpeg_pes_low_delay, + { "low-delay", "mpeg-pes.low_delay", + FT_BOOLEAN, 8, NULL, 0, + "mpeg_pes.BOOLEAN", HFILL }}, + { &hf_mpeg_pes_frame_rate_extension_n, + { "frame-rate-extension-n", "mpeg-pes.frame_rate_extension_n", + FT_UINT32, BASE_DEC, NULL, 0, + "mpeg_pes.INTEGER_0_3", HFILL }}, + { &hf_mpeg_pes_frame_rate_extension_d, + { "frame-rate-extension-d", "mpeg-pes.frame_rate_extension_d", + FT_UINT32, BASE_DEC, NULL, 0, + "mpeg_pes.INTEGER_0_3", HFILL }}, + { &hf_mpeg_pes_drop_frame_flag, + { "drop-frame-flag", "mpeg-pes.drop_frame_flag", + FT_BOOLEAN, 8, NULL, 0, + "mpeg_pes.BOOLEAN", HFILL }}, + { &hf_mpeg_pes_hour, + { "hour", "mpeg-pes.hour", + FT_UINT32, BASE_DEC, NULL, 0, + "mpeg_pes.INTEGER_0_32", HFILL }}, + { &hf_mpeg_pes_minute, + { "minute", "mpeg-pes.minute", + FT_UINT32, BASE_DEC, NULL, 0, + "mpeg_pes.INTEGER_0_64", HFILL }}, + { &hf_mpeg_pes_second, + { "second", "mpeg-pes.second", + FT_UINT32, BASE_DEC, NULL, 0, + "mpeg_pes.INTEGER_0_64", HFILL }}, + { &hf_mpeg_pes_frame, + { "frame", "mpeg-pes.frame", + FT_UINT32, BASE_DEC, NULL, 0, + "mpeg_pes.INTEGER_0_64", HFILL }}, + { &hf_mpeg_pes_closed_gop, + { "closed-gop", "mpeg-pes.closed_gop", + FT_BOOLEAN, 8, NULL, 0, + "mpeg_pes.BOOLEAN", HFILL }}, + { &hf_mpeg_pes_broken_gop, + { "broken-gop", "mpeg-pes.broken_gop", + FT_BOOLEAN, 8, NULL, 0, + "mpeg_pes.BOOLEAN", HFILL }}, + { &hf_mpeg_pes_must_be_zero1, + { "must-be-zero", "mpeg-pes.must_be_zero", + FT_BYTES, BASE_HEX, NULL, 0, + "mpeg_pes.BIT_STRING_SIZE_5", HFILL }}, + { &hf_mpeg_pes_temporal_sequence_number, + { "temporal-sequence-number", "mpeg-pes.temporal_sequence_number", + FT_BYTES, BASE_HEX, NULL, 0, + "mpeg_pes.BIT_STRING_SIZE_10", HFILL }}, + { &hf_mpeg_pes_frame_type, + { "frame-type", "mpeg-pes.frame_type", + FT_UINT32, BASE_DEC, VALS(mpeg_pes_T_frame_type_vals), 0, + "mpeg_pes.T_frame_type", HFILL }}, + { &hf_mpeg_pes_vbv_delay, + { "vbv-delay", "mpeg-pes.vbv_delay", + FT_BYTES, BASE_HEX, NULL, 0, + "mpeg_pes.BIT_STRING_SIZE_16", HFILL }}, + +/*--- End of included file: packet-mpeg-pes-hfarr.c ---*/ +#line 232 "packet-mpeg-pes-template.c" + { &hf_mpeg_pes_pack_header, + { "Pack header", "mpeg-pes.pack", + FT_NONE, BASE_NONE, NULL, 0, NULL, HFILL }}, + { &hf_mpeg_pes_stuffing, + { "PES stuffing bytes", "mpeg-pes.stuffing", + FT_BYTES, BASE_NONE, NULL, 0, NULL, HFILL }}, + { &hf_mpeg_pes_extension, + { "PES extension", "mpeg-pes.extension", + FT_NONE, BASE_NONE, NULL, 0, NULL, HFILL }}, + { &hf_mpeg_pes_header_data, + { "PES header data", "mpeg-pes.header-data", + FT_BYTES, BASE_NONE, NULL, 0, NULL, HFILL }}, + { &hf_mpeg_pes_padding, + { "PES padding", "mpeg-pes.padding", + FT_BYTES, BASE_NONE, NULL, 0, NULL, HFILL }}, + { &hf_mpeg_pes_data, + { "PES data", "mpeg-pes.data", + FT_BYTES, BASE_NONE, NULL, 0, NULL, HFILL }}, + { &hf_mpeg_video_sequence_header, + { "MPEG sequence header", "mpeg-video.sequence", + FT_NONE, BASE_NONE, NULL, 0, NULL, HFILL }}, + { &hf_mpeg_video_sequence_extension, + { "MPEG sequence extension", "mpeg-video.sequence-ext", + FT_NONE, BASE_NONE, NULL, 0, NULL, HFILL }}, + { &hf_mpeg_video_group_of_pictures, + { "MPEG group of pictures", "mpeg-video.gop", + FT_NONE, BASE_NONE, NULL, 0, NULL, HFILL }}, + { &hf_mpeg_video_picture, + { "MPEG picture", "mpeg-video.picture", + FT_NONE, BASE_NONE, NULL, 0, NULL, HFILL }}, + { &hf_mpeg_video_quantization_matrix, + { "MPEG quantization matrix", "mpeg-video.quant", + FT_BYTES, BASE_NONE, NULL, 0, NULL, HFILL }}, + { &hf_mpeg_video_data, + { "MPEG picture data", "mpeg-video.data", + FT_BYTES, BASE_NONE, NULL, 0, NULL, HFILL }}, + }; + + static gint *ett[] = { + +/*--- Included file: packet-mpeg-pes-ettarr.c ---*/ +#line 1 "packet-mpeg-pes-ettarr.c" + &ett_mpeg_pes_PES, + &ett_mpeg_pes_Pack, + &ett_mpeg_pes_Stream, + &ett_mpeg_pes_Sequence_header, + &ett_mpeg_pes_Sequence_extension, + &ett_mpeg_pes_Group_of_pictures, + &ett_mpeg_pes_Picture, + +/*--- End of included file: packet-mpeg-pes-ettarr.c ---*/ +#line 272 "packet-mpeg-pes-template.c" + }; + + proto_mpeg = proto_register_protocol( + "Moving Picture Experts Group", "MPEG", "mpeg"); + register_heur_dissector_list("mpeg", &heur_subdissector_list); + + if (proto_mpeg_pes != -1) + return; + + proto_mpeg_pes = proto_register_protocol( + "Packetized Elementary Stream", "MPEG PES", "mpeg-pes"); + proto_register_field_array(proto_mpeg_pes, hf, array_length(hf)); + proto_register_subtree_array(ett, array_length(ett)); +} + +void +proto_reg_handoff_mpeg_pes(void) +{ + dissector_handle_t mpeg_handle = create_dissector_handle( + dissect_mpeg, proto_mpeg); + dissector_add("wtap_encap", WTAP_ENCAP_MPEG, mpeg_handle); + + heur_dissector_add("mpeg", dissect_mpeg_pes, proto_mpeg_pes); +} |