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authorBill Meier <wmeier@newsguy.com>2014-09-30 16:59:17 -0400
committerBill Meier <wmeier@newsguy.com>2014-09-30 21:06:37 +0000
commit9b181b97c62542625a5ea6573e68c85202dd1f38 (patch)
treec210a0e51e6165a98bbe3eee64cf2e9a566cde49 /epan/dissectors/packet-rfc2190.c
parent6896c2648cbdd13a1a00d429ee43be6a2680f094 (diff)
Add editor modelines; Adjust whitespace; Remove boilerplate comments
Change-Id: I1f5f83ed441f6009125cf2cbe5023af04986898a Reviewed-on: https://code.wireshark.org/review/4392 Reviewed-by: Bill Meier <wmeier@newsguy.com>
Diffstat (limited to 'epan/dissectors/packet-rfc2190.c')
-rw-r--r--epan/dissectors/packet-rfc2190.c618
1 files changed, 314 insertions, 304 deletions
diff --git a/epan/dissectors/packet-rfc2190.c b/epan/dissectors/packet-rfc2190.c
index 1a6816621d..bc5a9c6be6 100644
--- a/epan/dissectors/packet-rfc2190.c
+++ b/epan/dissectors/packet-rfc2190.c
@@ -46,7 +46,7 @@ void proto_register_rfc2190(void);
void proto_reg_handoff_rfc2190(void);
/* H.263 header fields */
-static int proto_rfc2190 = -1;
+static int proto_rfc2190 = -1;
/* Mode A header */
static int hf_rfc2190_ftype = -1;
@@ -72,44 +72,44 @@ static int hf_rfc2190_vmv1 = -1;
static int hf_rfc2190_hmv2 = -1;
static int hf_rfc2190_vmv2 = -1;
-static gint ett_rfc2190 = -1;
+static gint ett_rfc2190 = -1;
static dissector_handle_t h263_handle;
static void
dissect_rfc2190( tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree )
{
- proto_item *ti = NULL;
- proto_tree *rfc2190_tree = NULL;
- int offset = 0;
- unsigned int rfc2190_version = 0;
- tvbuff_t *next_tvb;
- int hdr_len = 0;
+ proto_item *ti = NULL;
+ proto_tree *rfc2190_tree = NULL;
+ int offset = 0;
+ unsigned int rfc2190_version = 0;
+ tvbuff_t *next_tvb;
+ int hdr_len = 0;
rfc2190_version = (tvb_get_guint8( tvb, offset ) & 0xc0 ) >> 6;
col_set_str(pinfo->cinfo, COL_PROTOCOL, "H.263 ");
- /* Three formats (mode A, mode B and mode C) are defined for H.263
- * payload header. In mode A, an H.263 payload header of four bytes is
- * present before actual compressed H.263 video bitstream in a packet.
- * It allows fragmentation at GOB boundaries. In mode B, an eight byte
- * H.263 payload header is used and each packet starts at MB boundaries
- * without the PB-frames option. Finally, a twelve byte H.263 payload
- * header is defined in mode C to support fragmentation at MB boundaries
- * for frames that are coded with the PB-frames option.
- */
+ /* Three formats (mode A, mode B and mode C) are defined for H.263
+ * payload header. In mode A, an H.263 payload header of four bytes is
+ * present before actual compressed H.263 video bitstream in a packet.
+ * It allows fragmentation at GOB boundaries. In mode B, an eight byte
+ * H.263 payload header is used and each packet starts at MB boundaries
+ * without the PB-frames option. Finally, a twelve byte H.263 payload
+ * header is defined in mode C to support fragmentation at MB boundaries
+ * for frames that are coded with the PB-frames option.
+ */
if( rfc2190_version == 0x00) {
col_append_str( pinfo->cinfo, COL_INFO, "MODE A ");
- hdr_len = 4;
+ hdr_len = 4;
}
else if( rfc2190_version == 0x02) {
col_append_str( pinfo->cinfo, COL_INFO, "MODE B ");
- hdr_len = 8;
+ hdr_len = 8;
}
else if( rfc2190_version == 0x03) {
col_append_str( pinfo->cinfo, COL_INFO, "MODE C ");
- hdr_len = 12;
+ hdr_len = 12;
}
if ( tree ) {
@@ -117,27 +117,27 @@ dissect_rfc2190( tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree )
rfc2190_tree = proto_item_add_subtree( ti, ett_rfc2190 );
/* FBIT 1st octet, 1 bit */
- proto_tree_add_item( rfc2190_tree, hf_rfc2190_ftype, tvb, offset, 1, ENC_BIG_ENDIAN );
+ proto_tree_add_item( rfc2190_tree, hf_rfc2190_ftype, tvb, offset, 1, ENC_BIG_ENDIAN );
/* PBIT 1st octet, 1 bit */
- proto_tree_add_item( rfc2190_tree, hf_rfc2190_pbframes, tvb, offset, 1, ENC_BIG_ENDIAN );
+ proto_tree_add_item( rfc2190_tree, hf_rfc2190_pbframes, tvb, offset, 1, ENC_BIG_ENDIAN );
/* SBIT 1st octet, 3 bits */
- proto_tree_add_item( rfc2190_tree, hf_rfc2190_sbit, tvb, offset, 1, ENC_BIG_ENDIAN );
+ proto_tree_add_item( rfc2190_tree, hf_rfc2190_sbit, tvb, offset, 1, ENC_BIG_ENDIAN );
/* EBIT 1st octet, 3 bits */
- proto_tree_add_item( rfc2190_tree, hf_rfc2190_ebit, tvb, offset, 1, ENC_BIG_ENDIAN );
+ proto_tree_add_item( rfc2190_tree, hf_rfc2190_ebit, tvb, offset, 1, ENC_BIG_ENDIAN );
offset++;
/* SRC 2nd octet, 3 bits */
- proto_tree_add_item( rfc2190_tree, hf_rfc2190_srcformat, tvb, offset, 1, ENC_BIG_ENDIAN );
+ proto_tree_add_item( rfc2190_tree, hf_rfc2190_srcformat, tvb, offset, 1, ENC_BIG_ENDIAN );
if(rfc2190_version == 0x00) { /* MODE A */
/* I flag, 1 bit */
- proto_tree_add_bits_item(rfc2190_tree, hf_rfc2190_picture_coding_type, tvb, (offset<<3)+3, 1, ENC_BIG_ENDIAN);
+ proto_tree_add_bits_item(rfc2190_tree, hf_rfc2190_picture_coding_type, tvb, (offset<<3)+3, 1, ENC_BIG_ENDIAN);
/* U flag, 1 bit */
- proto_tree_add_bits_item(rfc2190_tree, hf_rfc2190_unrestricted_motion_vector, tvb, (offset<<3)+4, 1, ENC_BIG_ENDIAN);
+ proto_tree_add_bits_item(rfc2190_tree, hf_rfc2190_unrestricted_motion_vector, tvb, (offset<<3)+4, 1, ENC_BIG_ENDIAN);
/* S flag, 1 bit */
- proto_tree_add_bits_item(rfc2190_tree, hf_rfc2190_syntax_based_arithmetic, tvb, (offset<<3)+5, 1, ENC_BIG_ENDIAN);
+ proto_tree_add_bits_item(rfc2190_tree, hf_rfc2190_syntax_based_arithmetic, tvb, (offset<<3)+5, 1, ENC_BIG_ENDIAN);
/* A flag, 1 bit */
- proto_tree_add_bits_item(rfc2190_tree, hf_rfc2190_advanced_prediction, tvb, (offset<<3)+6, 1, ENC_BIG_ENDIAN);
+ proto_tree_add_bits_item(rfc2190_tree, hf_rfc2190_advanced_prediction, tvb, (offset<<3)+6, 1, ENC_BIG_ENDIAN);
/* Reserved 2nd octect, 1 bit + 3rd octect 3 bits */
proto_tree_add_uint( rfc2190_tree, hf_rfc2190_r, tvb, offset, 2, ( ( tvb_get_guint8( tvb, offset ) & 0x1 ) << 3 ) + ( ( tvb_get_guint8( tvb, offset + 1 ) & 0xe0 ) >> 5 ) );
@@ -145,9 +145,9 @@ dissect_rfc2190( tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree )
offset++;
/* DBQ 3 octect, 2 bits */
- proto_tree_add_item( rfc2190_tree, hf_rfc2190_dbq, tvb, offset, 1, ENC_BIG_ENDIAN );
+ proto_tree_add_item( rfc2190_tree, hf_rfc2190_dbq, tvb, offset, 1, ENC_BIG_ENDIAN );
/* TRB 3 octect, 3 bits */
- proto_tree_add_item( rfc2190_tree, hf_rfc2190_trb, tvb, offset, 1, ENC_BIG_ENDIAN );
+ proto_tree_add_item( rfc2190_tree, hf_rfc2190_trb, tvb, offset, 1, ENC_BIG_ENDIAN );
offset++;
/* TR 4 octect, 8 bits */
@@ -244,286 +244,296 @@ dissect_rfc2190( tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree )
void
proto_reg_handoff_rfc2190(void)
{
- dissector_handle_t rfc2190_handle;
+ dissector_handle_t rfc2190_handle;
- rfc2190_handle = find_dissector("rfc2190");
- dissector_add_uint("rtp.pt", PT_H263, rfc2190_handle);
- dissector_add_uint("iax2.codec", AST_FORMAT_H263, rfc2190_handle);
+ rfc2190_handle = find_dissector("rfc2190");
+ dissector_add_uint("rtp.pt", PT_H263, rfc2190_handle);
+ dissector_add_uint("iax2.codec", AST_FORMAT_H263, rfc2190_handle);
- h263_handle = find_dissector("h263data");
+ h263_handle = find_dissector("h263data");
}
void
proto_register_rfc2190(void)
{
- static hf_register_info hf[] =
- {
- {
- &hf_rfc2190_ftype,
- {
- "F",
- "rfc2190.ftype",
- FT_BOOLEAN,
- 8,
- NULL,
- 0x80,
- "Indicates the mode of the payload header (MODE A or B/C)", HFILL
- }
- },
- {
- &hf_rfc2190_pbframes,
- {
- "p/b frame",
- "rfc2190.pbframes",
- FT_BOOLEAN,
- 8,
- NULL,
- 0x40,
- "Optional PB-frames mode as defined by H.263 (MODE C)", HFILL
- }
- },
- {
- &hf_rfc2190_sbit,
- {
- "Start bit position",
- "rfc2190.sbit",
- FT_UINT8,
- BASE_DEC,
- NULL,
- 0x38,
- "Start bit position specifies number of most significant bits that shall be ignored in the first data byte.", HFILL
- }
- },
- {
- &hf_rfc2190_ebit,
- {
- "End bit position",
- "rfc2190.ebit",
- FT_UINT8,
- BASE_DEC,
- NULL,
- 0x7,
- "End bit position specifies number of least significant bits that shall be ignored in the last data byte.", HFILL
- }
- },
- {
- &hf_rfc2190_srcformat,
- {
- "SRC format",
- "rfc2190.srcformat",
- FT_UINT8,
- BASE_DEC,
- VALS(h263_srcformat_vals),
- 0xe0,
- "Source format specifies the resolution of the current picture.", HFILL
- }
- },
- {
- &hf_rfc2190_picture_coding_type,
- {
- "Inter-coded frame",
- "rfc2190.picture_coding_type",
- FT_BOOLEAN,
- 8,
- NULL,
- 0x0,
- "Picture coding type, intra-coded (false) or inter-coded (true)", HFILL
- }
- },
- {
- &hf_rfc2190_unrestricted_motion_vector,
- {
- "Motion vector",
- "rfc2190.unrestricted_motion_vector",
- FT_BOOLEAN,
- 8,
- NULL,
- 0x0,
- "Unrestricted Motion Vector option for current picture", HFILL
- }
- },
- {
- &hf_rfc2190_syntax_based_arithmetic,
- {
- "Syntax-based arithmetic coding",
- "rfc2190.syntax_based_arithmetic",
- FT_BOOLEAN,
- 8,
- NULL,
- 0x0,
- "Syntax-based Arithmetic Coding option for current picture", HFILL
- }
- },
- {
- &hf_rfc2190_advanced_prediction,
- {
- "Advanced prediction option",
- "rfc2190.advanced_prediction",
- FT_BOOLEAN,
- 8,
- NULL,
- 0x0,
- "Advanced Prediction option for current picture", HFILL
- }
- },
- {
- &hf_rfc2190_dbq,
- {
- "Differential quantization parameter",
- "rfc2190.dbq",
- FT_UINT8,
- BASE_DEC,
- NULL,
- 0x18,
- "Differential quantization parameter used to calculate quantizer for the B frame based on quantizer for the P frame, when PB-frames option is used.", HFILL
- }
- },
- {
- &hf_rfc2190_trb,
- {
- "Temporal Reference for B frames",
- "rfc2190.trb",
- FT_UINT8,
- BASE_DEC,
- NULL,
- 0x07,
- "Temporal Reference for the B frame as defined by H.263", HFILL
- }
- },
- {
- &hf_rfc2190_tr,
- {
- "Temporal Reference for P frames",
- "rfc2190.tr",
- FT_UINT8,
- BASE_DEC,
- NULL,
- 0x0,
- "Temporal Reference for the P frame as defined by H.263", HFILL
- }
- },
- {
- &hf_rfc2190_quant,
- {
- "Quantizer",
- "rfc2190.quant",
- FT_UINT8,
- BASE_DEC,
- NULL,
- 0x0,
- "Quantization value for the first MB coded at the starting of the packet.", HFILL
- }
- },
- {
- &hf_rfc2190_gobn,
- {
- "GOB Number",
- "rfc2190.gobn",
- FT_UINT8,
- BASE_DEC,
- NULL,
- 0x0,
- "GOB number in effect at the start of the packet.", HFILL
- }
- },
- {
- &hf_rfc2190_mba,
- {
- "Macroblock address",
- "rfc2190.mba",
- FT_UINT16,
- BASE_DEC,
- NULL,
- 0x0,
- "The address within the GOB of the first MB in the packet, counting from zero in scan order.", HFILL
- }
- },
- {
- &hf_rfc2190_hmv1,
- {
- "Horizontal motion vector 1",
- "rfc2190.hmv1",
- FT_UINT8,
- BASE_DEC,
- NULL,
- 0x0,
- "Horizontal motion vector predictor for the first MB in this packet", HFILL
- }
- },
- {
- &hf_rfc2190_vmv1,
- {
- "Vertical motion vector 1",
- "rfc2190.vmv1",
- FT_UINT8,
- BASE_DEC,
- NULL,
- 0x0,
- "Vertical motion vector predictor for the first MB in this packet", HFILL
- }
- },
- {
- &hf_rfc2190_hmv2,
- {
- "Horizontal motion vector 2",
- "rfc2190.hmv2",
- FT_UINT8,
- BASE_DEC,
- NULL,
- 0x0,
- "Horizontal motion vector predictor for block number 3 in the first MB in this packet when four motion vectors are used with the advanced prediction option.", HFILL
- }
- },
- {
- &hf_rfc2190_vmv2,
- {
- "Vertical motion vector 2",
- "rfc2190.vmv2",
- FT_UINT8,
- BASE_DEC,
- NULL,
- 0x0,
- "Vertical motion vector predictor for block number 3 in the first MB in this packet when four motion vectors are used with the advanced prediction option.", HFILL
- }
- },
- {
- &hf_rfc2190_r,
- {
- "Reserved field",
- "rfc2190.r",
- FT_UINT8,
- BASE_DEC,
- NULL,
- 0x0,
- "Reserved field that should contain zeroes", HFILL
- }
- },
- {
- &hf_rfc2190_rr,
- {
- "Reserved field 2",
- "rfc2190.rr",
- FT_UINT16,
- BASE_DEC,
- NULL,
- 0x0,
- "Reserved field that should contain zeroes", HFILL
- }
- },
- };
-
- static gint *ett[] =
- {
- &ett_rfc2190,
- };
-
- proto_register_subtree_array(ett, array_length(ett));
-
- proto_rfc2190 = proto_register_protocol("H.263 RTP Payload header (RFC2190)",
- "RFC2190", "rfc2190");
-
- proto_register_field_array(proto_rfc2190, hf, array_length(hf));
- register_dissector("rfc2190", dissect_rfc2190, proto_rfc2190);
+ static hf_register_info hf[] = {
+ {
+ &hf_rfc2190_ftype,
+ {
+ "F",
+ "rfc2190.ftype",
+ FT_BOOLEAN,
+ 8,
+ NULL,
+ 0x80,
+ "Indicates the mode of the payload header (MODE A or B/C)", HFILL
+ }
+ },
+ {
+ &hf_rfc2190_pbframes,
+ {
+ "p/b frame",
+ "rfc2190.pbframes",
+ FT_BOOLEAN,
+ 8,
+ NULL,
+ 0x40,
+ "Optional PB-frames mode as defined by H.263 (MODE C)", HFILL
+ }
+ },
+ {
+ &hf_rfc2190_sbit,
+ {
+ "Start bit position",
+ "rfc2190.sbit",
+ FT_UINT8,
+ BASE_DEC,
+ NULL,
+ 0x38,
+ "Start bit position specifies number of most significant bits that shall be ignored in the first data byte.", HFILL
+ }
+ },
+ {
+ &hf_rfc2190_ebit,
+ {
+ "End bit position",
+ "rfc2190.ebit",
+ FT_UINT8,
+ BASE_DEC,
+ NULL,
+ 0x7,
+ "End bit position specifies number of least significant bits that shall be ignored in the last data byte.", HFILL
+ }
+ },
+ {
+ &hf_rfc2190_srcformat,
+ {
+ "SRC format",
+ "rfc2190.srcformat",
+ FT_UINT8,
+ BASE_DEC,
+ VALS(h263_srcformat_vals),
+ 0xe0,
+ "Source format specifies the resolution of the current picture.", HFILL
+ }
+ },
+ {
+ &hf_rfc2190_picture_coding_type,
+ {
+ "Inter-coded frame",
+ "rfc2190.picture_coding_type",
+ FT_BOOLEAN,
+ 8,
+ NULL,
+ 0x0,
+ "Picture coding type, intra-coded (false) or inter-coded (true)", HFILL
+ }
+ },
+ {
+ &hf_rfc2190_unrestricted_motion_vector,
+ {
+ "Motion vector",
+ "rfc2190.unrestricted_motion_vector",
+ FT_BOOLEAN,
+ 8,
+ NULL,
+ 0x0,
+ "Unrestricted Motion Vector option for current picture", HFILL
+ }
+ },
+ {
+ &hf_rfc2190_syntax_based_arithmetic,
+ {
+ "Syntax-based arithmetic coding",
+ "rfc2190.syntax_based_arithmetic",
+ FT_BOOLEAN,
+ 8,
+ NULL,
+ 0x0,
+ "Syntax-based Arithmetic Coding option for current picture", HFILL
+ }
+ },
+ {
+ &hf_rfc2190_advanced_prediction,
+ {
+ "Advanced prediction option",
+ "rfc2190.advanced_prediction",
+ FT_BOOLEAN,
+ 8,
+ NULL,
+ 0x0,
+ "Advanced Prediction option for current picture", HFILL
+ }
+ },
+ {
+ &hf_rfc2190_dbq,
+ {
+ "Differential quantization parameter",
+ "rfc2190.dbq",
+ FT_UINT8,
+ BASE_DEC,
+ NULL,
+ 0x18,
+ "Differential quantization parameter used to calculate quantizer for the B frame based on quantizer for the P frame, when PB-frames option is used.", HFILL
+ }
+ },
+ {
+ &hf_rfc2190_trb,
+ {
+ "Temporal Reference for B frames",
+ "rfc2190.trb",
+ FT_UINT8,
+ BASE_DEC,
+ NULL,
+ 0x07,
+ "Temporal Reference for the B frame as defined by H.263", HFILL
+ }
+ },
+ {
+ &hf_rfc2190_tr,
+ {
+ "Temporal Reference for P frames",
+ "rfc2190.tr",
+ FT_UINT8,
+ BASE_DEC,
+ NULL,
+ 0x0,
+ "Temporal Reference for the P frame as defined by H.263", HFILL
+ }
+ },
+ {
+ &hf_rfc2190_quant,
+ {
+ "Quantizer",
+ "rfc2190.quant",
+ FT_UINT8,
+ BASE_DEC,
+ NULL,
+ 0x0,
+ "Quantization value for the first MB coded at the starting of the packet.", HFILL
+ }
+ },
+ {
+ &hf_rfc2190_gobn,
+ {
+ "GOB Number",
+ "rfc2190.gobn",
+ FT_UINT8,
+ BASE_DEC,
+ NULL,
+ 0x0,
+ "GOB number in effect at the start of the packet.", HFILL
+ }
+ },
+ {
+ &hf_rfc2190_mba,
+ {
+ "Macroblock address",
+ "rfc2190.mba",
+ FT_UINT16,
+ BASE_DEC,
+ NULL,
+ 0x0,
+ "The address within the GOB of the first MB in the packet, counting from zero in scan order.", HFILL
+ }
+ },
+ {
+ &hf_rfc2190_hmv1,
+ {
+ "Horizontal motion vector 1",
+ "rfc2190.hmv1",
+ FT_UINT8,
+ BASE_DEC,
+ NULL,
+ 0x0,
+ "Horizontal motion vector predictor for the first MB in this packet", HFILL
+ }
+ },
+ {
+ &hf_rfc2190_vmv1,
+ {
+ "Vertical motion vector 1",
+ "rfc2190.vmv1",
+ FT_UINT8,
+ BASE_DEC,
+ NULL,
+ 0x0,
+ "Vertical motion vector predictor for the first MB in this packet", HFILL
+ }
+ },
+ {
+ &hf_rfc2190_hmv2,
+ {
+ "Horizontal motion vector 2",
+ "rfc2190.hmv2",
+ FT_UINT8,
+ BASE_DEC,
+ NULL,
+ 0x0,
+ "Horizontal motion vector predictor for block number 3 in the first MB in this packet when four motion vectors are used with the advanced prediction option.", HFILL
+ }
+ },
+ {
+ &hf_rfc2190_vmv2,
+ {
+ "Vertical motion vector 2",
+ "rfc2190.vmv2",
+ FT_UINT8,
+ BASE_DEC,
+ NULL,
+ 0x0,
+ "Vertical motion vector predictor for block number 3 in the first MB in this packet when four motion vectors are used with the advanced prediction option.", HFILL
+ }
+ },
+ {
+ &hf_rfc2190_r,
+ {
+ "Reserved field",
+ "rfc2190.r",
+ FT_UINT8,
+ BASE_DEC,
+ NULL,
+ 0x0,
+ "Reserved field that should contain zeroes", HFILL
+ }
+ },
+ {
+ &hf_rfc2190_rr,
+ {
+ "Reserved field 2",
+ "rfc2190.rr",
+ FT_UINT16,
+ BASE_DEC,
+ NULL,
+ 0x0,
+ "Reserved field that should contain zeroes", HFILL
+ }
+ },
+ };
+
+ static gint *ett[] = {
+ &ett_rfc2190,
+ };
+
+ proto_register_subtree_array(ett, array_length(ett));
+
+ proto_rfc2190 = proto_register_protocol("H.263 RTP Payload header (RFC2190)",
+ "RFC2190", "rfc2190");
+
+ proto_register_field_array(proto_rfc2190, hf, array_length(hf));
+ register_dissector("rfc2190", dissect_rfc2190, proto_rfc2190);
}
+/*
+ * Editor modelines - http://www.wireshark.org/tools/modelines.html
+ *
+ * Local variables:
+ * c-basic-offset: 4
+ * tab-width: 8
+ * indent-tabs-mode: nil
+ * End:
+ *
+ * vi: set shiftwidth=4 tabstop=8 expandtab:
+ * :indentSize=4:tabSize=8:noTabs=true:
+ */