/usr/include/opal/codec/opalplugin.h is in libopal-dev 3.10.2~dfsg-0ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 | /*
* opalplugins.h
*
* OPAL codec plugins handler
*
* Open Phone Abstraction Library (OPAL)
* Formally known as the Open H323 project.
*
* Copyright (C) 2004-2006 Post Increment
*
* The contents of this file are subject to the Mozilla Public License
* Version 1.0 (the "License"); you may not use this file except in
* compliance with the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS"
* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
* the License for the specific language governing rights and limitations
* under the License.
*
* The Original Code is Open Phone Abstraction Library.
*
* The Initial Developer of the Original Code is Post Increment
*
* Contributor(s): ______________________________________.
*
* $Revision: 26053 $
* $Author: rjongbloed $
* $Date: 2011-06-20 03:40:20 -0500 (Mon, 20 Jun 2011) $
*/
#ifndef OPAL_CODEC_OPALPLUGIN_H
#define OPAL_CODEC_OPALPLUGIN_H
#ifdef __cplusplus
extern "C" {
#endif
#ifndef _CRT_NONSTDC_NO_DEPRECATE
#define _CRT_NONSTDC_NO_DEPRECATE 1
#endif
#ifndef _CRT_SECURE_NO_WARNINGS
#define _CRT_SECURE_NO_WARNINGS 1
#endif
#include <time.h>
#ifdef _MSC_VER
#pragma warning(disable:4201)
#endif
#ifdef _WIN32
# ifdef PLUGIN_CODEC_DLL_EXPORTS
# define PLUGIN_CODEC_DLL_API __declspec(dllexport)
# else
# define PLUGIN_CODEC_DLL_API __declspec(dllimport)
# endif
#if !defined(strcasecmp) && !defined(_WIN32_WCE)
#define strcasecmp stricmp
#endif
#else
#define PLUGIN_CODEC_DLL_API
#endif
#ifdef PWLIB_PLUGIN_API_VERSION
#undef PWLIB_PLUGIN_API_VERSION
#endif
#define PWLIB_PLUGIN_API_VERSION 1
#define PLUGIN_CODEC_VERSION_FIRST 1 // initial version
#define PLUGIN_CODEC_VERSION_WIDEBAND 2 // added wideband
#define PLUGIN_CODEC_VERSION_VIDEO 3 // added video
#define PLUGIN_CODEC_VERSION_FAX 4 // added fax
#define PLUGIN_CODEC_VERSION_OPTIONS 5 // added options handling
#define PLUGIN_CODEC_VERSION_INTERSECT 6 // added media option intersection merge functionality
#define PLUGIN_CODEC_VERSION PLUGIN_CODEC_VERSION_INTERSECT // Always latest version
#define PLUGIN_CODEC_API_VER_FN PWLibPlugin_GetAPIVersion
#define PLUGIN_CODEC_API_VER_FN_STR "PWLibPlugin_GetAPIVersion"
#define PLUGIN_CODEC_GET_CODEC_FN OpalCodecPlugin_GetCodecs
#define PLUGIN_CODEC_GET_CODEC_FN_STR "OpalCodecPlugin_GetCodecs"
#define PLUGIN_CODEC_API_VER_FN_DECLARE \
PLUGIN_CODEC_DLL_API unsigned int PLUGIN_CODEC_API_VER_FN() \
{ return PWLIB_PLUGIN_API_VERSION; }
enum {
PluginCodec_License_None = 0,
PluginCodec_Licence_None = PluginCodec_License_None, // allow for old code with misspelled constant
PluginCodec_License_GPL = 1,
PluginCodec_License_MPL = 2,
PluginCodec_License_Freeware = 3,
PluginCodec_License_ResearchAndDevelopmentUseOnly = 4,
PluginCodec_License_BSD = 5,
PluginCodec_License_LGPL = 6,
PluginCodec_License_NoRoyalties = 0x7f,
// any license codes above here require royalty payments
PluginCodec_License_RoyaltiesRequired = 0x80
};
struct PluginCodec_information {
// start of version 1 fields
time_t timestamp; // codec creation time and date - obtain with command: date -u "+%c = %s"
const char * sourceAuthor; // source code author
const char * sourceVersion; // source code version
const char * sourceEmail; // source code email contact information
const char * sourceURL; // source code web site
const char * sourceCopyright; // source code copyright
const char * sourceLicense; // source code license
unsigned char sourceLicenseCode; // source code license
const char * codecDescription; // codec description
const char * codecAuthor; // codec author
const char * codecVersion; // codec version
const char * codecEmail; // codec email contact information
const char * codecURL; // codec web site
const char * codecCopyright; // codec copyright information
const char * codecLicense; // codec license
unsigned short codecLicenseCode; // codec license code
// end of version 1 fields
};
enum PluginCodec_Flags {
PluginCodec_MediaTypeMask = 0x000f,
PluginCodec_MediaTypeAudio = 0x0000,
PluginCodec_MediaTypeVideo = 0x0001,
PluginCodec_MediaTypeAudioStreamed = 0x0002,
PluginCodec_MediaTypeFax = 0x0003,
PluginCodec_InputTypeMask = 0x0010,
PluginCodec_InputTypeRaw = 0x0000, // Note video is always RTP
PluginCodec_InputTypeRTP = 0x0010,
PluginCodec_OutputTypeMask = 0x0020,
PluginCodec_OutputTypeRaw = 0x0000, // Note video is always RTP
PluginCodec_OutputTypeRTP = 0x0020,
PluginCodec_RTPTypeMask = 0x0040,
PluginCodec_RTPTypeDynamic = 0x0000,
PluginCodec_RTPTypeExplicit = 0x0040,
PluginCodec_RTPSharedMask = 0x0080,
PluginCodec_RTPTypeNotShared = 0x0000,
PluginCodec_RTPTypeShared = 0x0080,
PluginCodec_DecodeSilenceMask = 0x0100,
PluginCodec_NoDecodeSilence = 0x0000,
PluginCodec_DecodeSilence = 0x0100,
PluginCodec_EncodeSilenceMask = 0x0200,
PluginCodec_NoEncodeSilence = 0x0000,
PluginCodec_EncodeSilence = 0x0200,
PluginCodec_MediaExtensionMask = 0x0400,
PluginCodec_MediaTypeExtVideo = 0x0400,
PluginCodec_ComfortNoiseMask = 0x0800,
PluginCodec_ComfortNoise = 0x0800,
PluginCodec_EmptyPayloadMask = 0x1000,
PluginCodec_EmptyPayload = 0x1000,
PluginCodec_OtherPayloadMask = 0x2000,
PluginCodec_OtherPayload = 0x2000,
PluginCodec_BitsPerSamplePos = 12,
PluginCodec_BitsPerSampleMask = 0xf000,
PluginCodec_ChannelsPos = 16,
PluginCodec_ChannelsMask = 0x003f0000
};
enum PluginCodec_CoderFlags {
PluginCodec_CoderSilenceFrame = 1, // request audio codec to create silence frame
PluginCodec_CoderForceIFrame = 2 // request video codec to force I frame
};
enum PluginCodec_ReturnCoderFlags {
PluginCodec_ReturnCoderLastFrame = 1, // indicates when video codec returns last data for frame
PluginCodec_ReturnCoderIFrame = 2, // indicates when video returns I frame
PluginCodec_ReturnCoderRequestIFrame = 4, // indicates when video decoder request I frame for resync
PluginCodec_ReturnCoderBufferTooSmall = 8 // indicates when output buffer is not large enough to receive
// the data, another call to get_output_data_size is required
};
struct PluginCodec_Definition;
// Control function names
#define PLUGINCODEC_CONTROL_VALID_FOR_PROTOCOL "valid_for_protocol"
#define PLUGINCODEC_CONTROL_GET_CODEC_OPTIONS "get_codec_options"
#define PLUGINCODEC_CONTROL_FREE_CODEC_OPTIONS "free_codec_options"
#define PLUGINCODEC_CONTROL_GET_OUTPUT_DATA_SIZE "get_output_data_size"
#define PLUGINCODEC_CONTROL_SET_CODEC_OPTIONS "set_codec_options"
#define PLUGINCODEC_CONTROL_TO_NORMALISED_OPTIONS "to_normalised_options"
#define PLUGINCODEC_CONTROL_TO_CUSTOMISED_OPTIONS "to_customised_options"
#define PLUGINCODEC_CONTROL_SET_INSTANCE_ID "set_instance_id"
#define PLUGINCODEC_CONTROL_SET_LOG_FUNCTION "set_log_function"
#define PLUGINCODEC_CONTROL_GET_STATISTICS "get_statistics"
#define PLUGINCODEC_CONTROL_TERMINATE_CODEC "terminate_codec"
/* Log function, plug in gets a pointer to this function which allows
it to use the standard OPAL logging system. The function returns 0 if
no logging was performed due to the log level. Note if log == NULL
then this return state is all that happens, so this may be executed
first to prevent lengthy logs that would not result in any output. */
typedef int (*PluginCodec_LogFunction)(unsigned level,
const char * file,
unsigned line,
const char * section,
const char * log);
struct PluginCodec_ControlDefn {
const char * name;
int (*control)(const struct PluginCodec_Definition * codec, void * context,
const char * name, void * parm, unsigned * parmLen);
};
enum PluginCodec_OptionTypes {
PluginCodec_StringOption,
PluginCodec_BoolOption,
PluginCodec_IntegerOption,
PluginCodec_RealOption,
PluginCodec_EnumOption,
PluginCodec_OctetsOption,
PluginCodec_NumOptionTypes,
};
enum PluginCodec_OptionMerge {
PluginCodec_NoMerge,
PluginCodec_MinMerge,
PluginCodec_MaxMerge,
PluginCodec_EqualMerge,
PluginCodec_NotEqualMerge,
PluginCodec_AlwaysMerge,
PluginCodec_CustomMerge,
PluginCodec_IntersectionMerge,
PluginCodec_AndMerge = PluginCodec_MinMerge,
PluginCodec_OrMerge = PluginCodec_MaxMerge
};
#define PluginCodec_H245_Collapsing 0x40000000
#define PluginCodec_H245_NonCollapsing 0x20000000
#define PluginCodec_H245_Unsigned32 0x10000000
#define PluginCodec_H245_BooleanArray 0x08000000
#define PluginCodec_H245_TCS 0x04000000
#define PluginCodec_H245_OLC 0x02000000
#define PluginCodec_H245_ReqMode 0x01000000
#define PluginCodec_H245_OrdinalMask 0x0000ffff
typedef int (*PluginCodec_MergeFunction)(char ** result, const char * dest, const char * src);
typedef void (*PluginCodec_FreeFunction)(char * string);
struct PluginCodec_Option {
// start of version 4 fields
enum PluginCodec_OptionTypes m_type;
const char * m_name;
unsigned m_readOnly;
enum PluginCodec_OptionMerge m_merge;
const char * m_value;
const char * m_FMTPName;
const char * m_FMTPDefault;
int m_H245Generic;
const char * m_minimum;
const char * m_maximum;
PluginCodec_MergeFunction m_mergeFunction; // Used if m_merge==PluginCodec_CustomMerge
PluginCodec_FreeFunction m_freeFunction;
};
// Normalised option names
#define PLUGINCODEC_OPTION_NEEDS_JITTER "Needs Jitter"
#define PLUGINCODEC_OPTION_CLOCK_RATE "Clock Rate"
#define PLUGINCODEC_OPTION_CHANNELS "Channels"
#define PLUGINCODEC_OPTION_FRAME_TIME "Frame Time"
#define PLUGINCODEC_OPTION_MAX_FRAME_SIZE "Max Frame Size"
#define PLUGINCODEC_OPTION_MAX_TX_PACKET_SIZE "Max Tx Packet Size"
#define PLUGINCODEC_OPTION_MAX_BIT_RATE "Max Bit Rate"
#define PLUGINCODEC_OPTION_TARGET_BIT_RATE "Target Bit Rate"
#define PLUGINCODEC_OPTION_RX_FRAMES_PER_PACKET "Rx Frames Per Packet"
#define PLUGINCODEC_OPTION_TX_FRAMES_PER_PACKET "Tx Frames Per Packet"
#define PLUGINCODEC_OPTION_FRAME_WIDTH "Frame Width"
#define PLUGINCODEC_OPTION_FRAME_HEIGHT "Frame Height"
#define PLUGINCODEC_OPTION_MIN_RX_FRAME_WIDTH "Min Rx Frame Width"
#define PLUGINCODEC_OPTION_MIN_RX_FRAME_HEIGHT "Min Rx Frame Height"
#define PLUGINCODEC_OPTION_MAX_RX_FRAME_WIDTH "Max Rx Frame Width"
#define PLUGINCODEC_OPTION_MAX_RX_FRAME_HEIGHT "Max Rx Frame Height"
#define PLUGINCODEC_OPTION_TEMPORAL_SPATIAL_TRADE_OFF "Temporal Spatial Trade Off"
#define PLUGINCODEC_OPTION_TX_KEY_FRAME_PERIOD "Tx Key Frame Period"
// Full definition of the codec
struct PluginCodec_Definition {
unsigned int version; // codec structure version
// start of version 1 fields
struct PluginCodec_information * info; // license information
unsigned int flags; // b0-3: 0 = audio, 1 = video
// b4: 0 = raw input, 1 = RTP input
// b5: 0 = raw output, 1 = RTP output
// b6: 0 = dynamic RTP, 1 = explicit RTP
// b7: 0 = no share RTP, 1 = share RTP
const char * descr; // text decription
const char * sourceFormat; // source format
const char * destFormat; // destination format
const void * userData; // user data value
unsigned int sampleRate; // samples per second
unsigned int bitsPerSec; // raw bits per second
unsigned int usPerFrame; // microseconds per frame
union _parm {
struct _audio {
unsigned int samplesPerFrame; // audio: samples per frame
unsigned int bytesPerFrame; // audio: max bytes per frame
unsigned int recommendedFramesPerPacket; // audio: recommended number of frames per packet
unsigned int maxFramesPerPacket; // audio: maximum number of frames per packet
} audio;
struct _video {
unsigned int maxFrameWidth; // video: frame width
unsigned int maxFrameHeight; // video: frame height
unsigned int recommendedFrameRate; // video: recommended frame rate
unsigned int maxFrameRate; // video: max frame rate
} video;
} parm;
unsigned char rtpPayload; // IANA RTP payload code (if defined)
const char * sdpFormat; // SDP format string (or NULL, if no SDP format)
void * (*createCodec)(const struct PluginCodec_Definition * codec); // create codec
void (*destroyCodec) (const struct PluginCodec_Definition * codec, void * context); // destroy codec
int (*codecFunction) (const struct PluginCodec_Definition * codec, void * context, // do codec function
const void * from, unsigned * fromLen,
void * to, unsigned * toLen,
unsigned int * flag);
struct PluginCodec_ControlDefn * codecControls;
// H323 specific fields
unsigned char h323CapabilityType;
const void * h323CapabilityData;
// end of version 1 fields
// NOTE!!!!! Due to an error in judgement, you cannot add ANY more fields
// to this structure without an API version change!!!!
};
typedef struct PluginCodec_Definition * (* PluginCodec_GetCodecFunction)(unsigned int *, unsigned int);
typedef unsigned (* PluginCodec_GetAPIVersionFunction)();
///////////////////////////////////////////////////////////////////
//
// H.323 specific values
//
struct PluginCodec_H323CapabilityExtension {
unsigned int index;
void * data;
unsigned dataLength;
};
struct PluginCodec_H323NonStandardCodecData {
const char * objectId;
unsigned char t35CountryCode;
unsigned char t35Extension;
unsigned short manufacturerCode;
const unsigned char * data;
unsigned int dataLength;
int (*capabilityMatchFunction)(struct PluginCodec_H323NonStandardCodecData *);
};
struct PluginCodec_H323GenericParameterDefinition
{
/* The following used to be a simple integer for the collapsing flag in
version 3 and earlier. We hope that all those implementations just used
zero and one (a good bet) and thus the below bit fields will be backward
compatible, putting the parameter in all three PDU types.
*/
#ifndef SOLARIS
struct {
#endif
int collapsing:1; /* boolean */
int excludeTCS:1;
int excludeOLC:1;
int excludeReqMode:1;
int readOnly:1;
#ifndef SOLARIS
};
#endif
unsigned int id;
enum PluginCodec_H323GenericParameterType {
/* these need to be in the same order as the choices in
H245_ParameterValue::Choices, as the value is just cast to that type
*/
PluginCodec_GenericParameter_Logical = 0,
PluginCodec_GenericParameter_BooleanArray,
PluginCodec_GenericParameter_UnsignedMin,
PluginCodec_GenericParameter_UnsignedMax,
PluginCodec_GenericParameter_Unsigned32Min,
PluginCodec_GenericParameter_Unsigned32Max,
PluginCodec_GenericParameter_OctetString,
PluginCodec_GenericParameter_GenericParameter,
PluginCodec_GenericParameter_logical = 0,
PluginCodec_GenericParameter_booleanArray,
PluginCodec_GenericParameter_unsignedMin,
PluginCodec_GenericParameter_unsignedMax,
PluginCodec_GenericParameter_unsigned32Min,
PluginCodec_GenericParameter_unsigned32Max,
PluginCodec_GenericParameter_octetString,
PluginCodec_GenericParameter_genericParameter
} type;
union {
unsigned long integer;
const char * octetstring;
struct PluginCodec_H323GenericParameterDefinition *genericparameter;
} value;
};
struct PluginCodec_H323GenericCodecData
{
// some cunning structures & lists, and associated logic in
// H323CodecPluginGenericAudioCapability::H323CodecPluginGenericAudioCapability()
const char * standardIdentifier;
unsigned int maxBitRate; // Zero means use value from OpalMediaFormat
/* parameters; these are the parameters which are set in the
'TerminalCapabilitySet' and 'OpenLogicalChannel' requests */
unsigned int nParameters;
/* an array of nParameters parameter definitions */
const struct PluginCodec_H323GenericParameterDefinition *params;
};
struct PluginCodec_H323AudioGSMData {
int comfortNoise:1;
int scrambled:1;
};
struct PluginCodec_H323AudioG7231AnnexC {
unsigned char maxAl_sduAudioFrames;
int silenceSuppression:1;
int highRateMode0:6; // INTEGER (27..78), -- units octets
int highRateMode1:6; // INTEGER (27..78), -- units octets
int lowRateMode0:6; // INTEGER (23..66), -- units octets
int lowRateMode1:6; // INTEGER (23..66), -- units octets
int sidMode0:4; // INTEGER (6..17), -- units octets
int sidMode1:4; // INTEGER (6..17), -- units octets
};
enum {
PluginCodec_H323Codec_undefined, // must be zero, so empty struct is undefined
PluginCodec_H323Codec_programmed, // H323ProgrammedCapability
PluginCodec_H323Codec_nonStandard, // H323NonStandardData
PluginCodec_H323Codec_generic, // H323GenericCodecData
// audio codecs
PluginCodec_H323AudioCodec_g711Alaw_64k, // int
PluginCodec_H323AudioCodec_g711Alaw_56k, // int
PluginCodec_H323AudioCodec_g711Ulaw_64k, // int
PluginCodec_H323AudioCodec_g711Ulaw_56k, // int
PluginCodec_H323AudioCodec_g722_64k, // int
PluginCodec_H323AudioCodec_g722_56k, // int
PluginCodec_H323AudioCodec_g722_48k, // int
PluginCodec_H323AudioCodec_g7231, // H323AudioG7231Data
PluginCodec_H323AudioCodec_g728, // int
PluginCodec_H323AudioCodec_g729, // int
PluginCodec_H323AudioCodec_g729AnnexA, // int
PluginCodec_H323AudioCodec_is11172, // not yet implemented
PluginCodec_H323AudioCodec_is13818Audio, // not yet implemented
PluginCodec_H323AudioCodec_g729wAnnexB, // int
PluginCodec_H323AudioCodec_g729AnnexAwAnnexB, // int
PluginCodec_H323AudioCodec_g7231AnnexC, // H323AudioG7231AnnexC
PluginCodec_H323AudioCodec_gsmFullRate, // H323AudioGSMData
PluginCodec_H323AudioCodec_gsmHalfRate, // H323AudioGSMData
PluginCodec_H323AudioCodec_gsmEnhancedFullRate, // H323AudioGSMData
PluginCodec_H323AudioCodec_g729Extensions, // not yet implemented
// video codecs
PluginCodec_H323VideoCodec_h261, // implemented
PluginCodec_H323VideoCodec_h262, // not yet implemented
PluginCodec_H323VideoCodec_h263, // implemented
PluginCodec_H323VideoCodec_is11172, // not yet implemented
// other capabilities
PluginCodec_H323VideoCodec_Extended, // implemented (for use with H.239)
PluginCodec_H323T38Codec, // not yet implemented
// special codes
PluginCodec_H323Codec_NoH323 = 0xff, // used for SIP-only codecs
};
/////////////////
//
// Generic Codec Standard Identifiers
//
// Audio Capabilities
// AMR (as defined in H.245v13 Annex I)
#define OpalPluginCodec_Identifer_AMR "0.0.8.245.1.1.1"
// AMR-NB\WB (as defined in H.245v13 Annex R)
#define OpalPluginCodec_Identifer_AMR_NB "0.0.8.245.1.1.9"
#define OpalPluginCodec_Identifer_AMR_WB "0.0.8.245.1.1.10"
// G.722.1
#define OpalPluginCodec_Identifer_G7221 "0.0.7.7221.1.0"
#define OpalPluginCodec_Identifer_G7221ext "0.0.7.7221.1.1.0"
// G.722.2 (aka AMR-WB)
#define OpalPluginCodec_Identifer_G7222 "0.0.7.7222.1.0"
// iLBC (as defined in H.245v13 Annex S)
#define OpalPluginCodec_Identifer_iLBC "0.0.8.245.1.1.11"
// Video Capabilities
// H264 (as defined in H.241)
#define OpalPluginCodec_Identifer_H264_Aligned "0.0.8.241.0.0.0.0"
#define OpalPluginCodec_Identifer_H264_NonInterleaved "0.0.8.241.0.0.0.1"
#define OpalPluginCodec_Identifer_H264_Interleaved "0.0.8.241.0.0.0.2"
#define OpalPluginCodec_Identifer_H264_Generic "0.0.8.241.0.0.1"
// ISO/IEC 14496-2 MPEG4 part 2 (as defined in H.245v13 Annex E)
#define OpalPluginCodec_Identifer_MPEG4 "0.0.8.245.1.0.0"
/////////////////
//
// Predefined options for H.323 codecs
//
#define PLUGINCODEC_SQCIF_MPI "SQCIF MPI"
#define PLUGINCODEC_QCIF_MPI "QCIF MPI"
#define PLUGINCODEC_CIF_MPI "CIF MPI"
#define PLUGINCODEC_CIF4_MPI "CIF4 MPI"
#define PLUGINCODEC_CIF16_MPI "CIF16 MPI"
#define PLUGINCODEC_CUSTOM_MPI "Custom MPI"
#define PLUGINCODEC_MPI_DISABLED 33
#define PLUGINCODEC_MEDIA_PACKETIZATION "Media Packetization"
#define PLUGINCODEC_MEDIA_PACKETIZATIONS "Media Packetizations"
#define H261_ANNEX_D "Annex D - Still Image Transmit"
#define H263_ANNEX_D "Annex D - Unrestricted Motion Vector"
#define H263_ANNEX_F "Annex F - Advanced Prediction"
#define H263_ANNEX_I "Annex I - Advanced INTRA Coding"
#define H263_ANNEX_J "Annex J - Deblocking Filter"
#define H263_ANNEX_K "Annex K - Slice Structure"
#define H263_ANNEX_N "Annex N - Reference Picture Selection"
#define H263_ANNEX_S "Annex S - Alternative INTER VLC"
#define H263_ANNEX_T "Annex T - Modified Quantization"
#ifndef STRINGIZE
#define __INTERNAL_STRINGIZE__(v) #v
#define STRINGIZE(v) __INTERNAL_STRINGIZE__(v)
#endif
/////////////////
//
// RTP specific definitions
//
#define PluginCodec_RTP_MaxPacketSize (1518-14-4-8-20-16) // Max Ethernet packet (1518 bytes) minus 802.3/CRC, 802.3, IP, UDP headers
#define PluginCodec_RTP_MinHeaderSize (12)
#define PluginCodec_RTP_MaxPayloadSize (PluginCodec_RTP_MaxPacketSize - PluginCodec_RTP_MinHeaderSize)
#define PluginCodec_RTP_GetHeaderLength(ptr) ((((unsigned char*)(ptr))[0] & 0x0f)*4 + PluginCodec_RTP_MinHeaderSize)
#define PluginCodec_RTP_GetPayloadPtr(ptr) ((unsigned char*)(ptr) + PluginCodec_RTP_GetHeaderLength(ptr))
#define PluginCodec_RTP_GetPayloadType(ptr) (((unsigned char*)(ptr))[1] & 0x7f)
#define PluginCodec_RTP_SetPayloadType(ptr, type) (((unsigned char*)(ptr))[1] = (((unsigned char*)(ptr))[1] & 0x80) | (type & 0x7f))
#define PluginCodec_RTP_GetMarker(ptr) ((((unsigned char*)(ptr))[1] & 0x80) != 0)
#define PluginCodec_RTP_SetMarker(ptr, mark) (((unsigned char*)(ptr))[1] = (((unsigned char*)(ptr))[1] & 0x7f) | (mark != 0 ? 0x80 : 0))
#define PluginCodec_RTP_GetTimestamp(ptr) ((((unsigned char*)(ptr))[4] << 24) | (((unsigned char*)(ptr))[5] << 16) | (((unsigned char*)(ptr))[6] << 8) | ((unsigned char*)(ptr))[7])
#define PluginCodec_RTP_SetTimestamp(ptr, ts) ((((unsigned char*)(ptr))[4] = ((ts) >> 24)),(((unsigned char*)(ptr))[5] = ((ts) >> 16)),(((unsigned char*)(ptr))[6] = ((ts) >> 8)),(((unsigned char*)(ptr))[7] = (ts)))
#define PluginCodec_RTP_GetSequenceNumber(ptr) ((((unsigned char*)(ptr))[2] << 8) | ((unsigned char*)(ptr))[3])
#define PluginCodec_RTP_SetSequenceNumber(ptr, sn)((((unsigned char*)(ptr))[2] = ((sn) >> 8)),(((unsigned char*)(ptr))[3] = (sn)))
/////////////////
//
// video specific definitions
//
struct PluginCodec_Video_FrameHeader {
unsigned int x;
unsigned int y;
unsigned int width;
unsigned int height;
};
#ifdef __cplusplus
};
inline unsigned char * OPAL_VIDEO_FRAME_DATA_PTR(struct PluginCodec_Video_FrameHeader * base)
{ return (((unsigned char *)base) + sizeof(PluginCodec_Video_FrameHeader)); }
inline unsigned char * OPAL_VIDEO_FRAME_DATA_PTR(const PluginCodec_Video_FrameHeader * base)
{ return (((unsigned char *)base) + sizeof(PluginCodec_Video_FrameHeader)); }
extern "C" {
#endif
#define PLUGIN_CODEC_VIDEO_SET_FRAME_SIZE_FN "set_frame_size" // argument is struct PluginCodec_VideoSetFrameInfo
struct PluginCodec_Video_SetFrameInfo {
int width;
int height;
};
/////////////////
//
// experimental definitions for statically linking codecs
//
#ifdef OPAL_STATIC_CODEC
# undef PLUGIN_CODEC_DLL_API
# define PLUGIN_CODEC_DLL_API static
# define PLUGIN_CODEC_IMPLEMENT(name) \
unsigned int Opal_StaticCodec_##name##_GetAPIVersion() \
{ return PWLIB_PLUGIN_API_VERSION; } \
static struct PluginCodec_Definition * PLUGIN_CODEC_GET_CODEC_FN(unsigned * count, unsigned /*version*/); \
struct PluginCodec_Definition * Opal_StaticCodec_##name##_GetCodecs(unsigned * p1, unsigned p2) \
{ return PLUGIN_CODEC_GET_CODEC_FN(p1,p2); } \
# define PLUGIN_CODEC_IMPLEMENT_ALL(name, table, ver) \
unsigned int Opal_StaticCodec_##name##_GetAPIVersion() \
{ return PWLIB_PLUGIN_API_VERSION; } \
PLUGIN_CODEC_DLL_API struct PluginCodec_Definition * Opal_StaticCodec_##name##_GetCodecs(unsigned * count, unsigned version) \
{ *count = sizeof(table)/sizeof(struct PluginCodec_Definition); return version < ver ? NULL : table; }
#else
# define PLUGIN_CODEC_IMPLEMENT(name) \
PLUGIN_CODEC_DLL_API unsigned int PLUGIN_CODEC_API_VER_FN() \
{ return PWLIB_PLUGIN_API_VERSION; } \
# define PLUGIN_CODEC_IMPLEMENT_ALL(name, table, ver) \
PLUGIN_CODEC_IMPLEMENT(name) \
PLUGIN_CODEC_DLL_API struct PluginCodec_Definition * PLUGIN_CODEC_GET_CODEC_FN(unsigned * count, unsigned version) \
{ *count = sizeof(table)/sizeof(struct PluginCodec_Definition); return version < ver ? NULL : table; }
#endif
#ifdef __cplusplus
};
#endif
#ifdef _MSC_VER
#pragma warning(default:4201)
#endif
#endif // OPAL_CODEC_OPALPLUGIN_H
|