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120 Flix Engine Linux Module Documentation
5.31 Overlay (Watermark)
5.31.1 Detailed Description
The overlay video filter is a filter used to apply a PNG image to the output video. In addition this filter
supports positioning the overlay and treating sections of the image as transparent either by specifying a
pixel of the image to use as a reference, specifying a RGB value to use as a reference or using the alpha
channel of the image.
Filter Parameters:
Name | Type | Opt/Reqd | Range
=======================================================================================
FE2_OVERLAY_FILE | String | Required | N/A
FE2_OVERLAY_MASK_XY | Boolean | Optional | [on2false,on2true]
FE2_OVERLAY_MASK_X | Numeric | Optional | [0,video width)
FE2_OVERLAY_MASK_Y | Numeric | Optional | [0,video height)
FE2_OVERLAY_MASK_RGB | Boolean | Optional | [on2false,on2true]
FE2_OVERLAY_MASK_R | Numeric | Optional | [0,255]
FE2_OVERLAY_MASK_G | Numeric | Optional | [0,255]
FE2_OVERLAY_MASK_B | Numeric | Optional | [0,255]
FE2_OVERLAY_POS | Numeric | Optional | [FE2_OverlayPositionMode]
FE2_OVERLAY_POS_X | Numeric | Optional | [0,video width)
FE2_OVERLAY_POS_Y | Numeric | Optional | [0,video height)
Example Usage:
sc = Flix2_AddFilter(&filter, flix, FE2_FILTER_OVERLAY);
//apply image.png to the top left of the output video
if(sc == ON2_OK)
sc = Flix2_FilterSetParamAsStr(filter, FE2_OVERLAY_FILE, "/tmp/image.png");
Deprecated functions
• on2sc overlay_options_Reset (const FLIX2HANDLE flix)
Resets the overlay options.
• on2sc overlay_options_GetUseOverlay (const FLIX2HANDLE flix, on2bool ∗pUseOverlay)
Determines if an overlay is to be used.
• on2sc overlay_options_SetUseOverlay (FLIX2HANDLE flix, const on2bool bUseOverlay)
Enables or disables overlay usage.
• on2sc overlay_options_GetOverlayPath (const FLIX2HANDLE flix, on2tc ∗pOverlayFilePath,
int32_t ∗pLen)
Returns the path to the overlay image file.
• on2sc overlay_options_SetOverlayPath (FLIX2HANDLE flix, const on2tc ∗pOverlayFilePath)
Set the path to the overlay image file.
• on2sc overlay_options_GetMaskPixelXY (const FLIX2HANDLE flix, int32_t ∗pMaskPixelX,
int32_t ∗pMaskPixelY)
Return the X and Y coordinates of the mask pixel.
Generated on Tue Jul 20 17:39:03 2010 for Flix Engine Linux by Doxygen
- 8.0.17.1 1
- Generated by Doxygen 1.5.2 1
- Contents 3
- Flix Engine Documentation 7
- 1.5 Support Options & FAQ 8
- 4 Flix Engine Documentation 10
- Chapter 2 11
- Flix Engine Linux File Index 13
- Flix Engine Linux Page Index 15
- Flix Engine Linux Module 17
- Documentation 17
- CodecGetParam() 18
- 5.2 Deprecated 19
- 5.2.2 Function Documentation 20
- 5.3 Codecs 27
- 5.4 Common Codec Parameters 28
- 5.5 Video Codecs 30
- 5.6 Audio Codecs 31
- 5.7.1 Detailed Description 32
- 5.7.2 Define Documentation 33
- 5.8 AAC+ 34
- 5.8.2 Define Documentation 35
- 5.9 AMR_NB - FFmpeg 36
- 5.9.2 Define Documentation 37
- 5.10 H263 - FFmpeg 38
- 5.11 H264 41
- 5.11.3 Define Documentation 42
- 5.11.4 Typedef Documentation 44
- 5.12 MP3 - LAME 45
- 5.12.2 Define Documentation 46
- 5.12.3 Typedef Documentation 47
- 5.13 libvorbis - FFmpeg 48
- 5.14 VP6 49
- Codec name 50
- Advanced VP6 settings 51
- CBR-Specific 51
- VBR-Specific 51
- 5.14.4 Define Documentation 52
- 5.14.5 Typedef Documentation 58
- 5.15 VP6 with Alpha 59
- 5.15.2 Define Documentation 61
- 5.16 VP8 68
- 5.16.2 Define Documentation 70
- 5.17 Encoding Statistics 77
- 5.18 Filters 82
- 5.19 Video Filters 83
- 5.20 Audio Filters 84
- 5.21 Deinterlace 85
- 5.21.2 Define Documentation 86
- 5.21.3 Typedef Documentation 86
- 5.21.5 Function Documentation 86
- 5.22.1 Detailed Description 88
- Deprecated functions 88
- 5.22.2 Define Documentation 89
- 5.22.3 Function Documentation 91
- 5.23 Blur 99
- 5.23.2 Define Documentation 100
- 5.23.3 Typedef Documentation 100
- 5.24 Crop 102
- 5.24.2 Define Documentation 103
- 5.24.3 Function Documentation 104
- Deprecated 106
- 5.25 Cut 107
- 5.25.2 Define Documentation 108
- 5.25.3 Function Documentation 109
- 5.26 Denoise 113
- 5.27 Frame Rate 114
- 5.27.2 Define Documentation 115
- 5.27.3 Function Documentation 115
- 5.28 Highpass 120
- 5.29 Lowpass 122
- 5.30 Mirror 124
- 5.31 Overlay (Watermark) 126
- Enumerations 128
- 5.31.2 Define Documentation 128
- 5.31.4 Function Documentation 132
- 5.32.1 Detailed Description 140
- 5.32.2 Define Documentation 142
- // output PNGs to directory 147
- 5.33 Resample 148
- 5.34 Rotate 149
- 5.35 Scale 150
- 5.35.3 Define Documentation 151
- 5.35.4 Function Documentation 152
- 5.36 Sharpen 157
- 5.37 Flix Engine API 158
- 5.38 Main Engine Interface 159
- 5.38.2 Function Documentation 162
- ’server:port’ 163
- 5.39 Flix Engine Core Library 175
- Remarks: 178
- 5.40 Filter Manipulation 179
- 5.41 Codec Manipulation 183
- 5.42 Muxer Manipulation 187
- 5.43 Frame Server API 191
- Functions 192
- 5.43.4 Function Documentation 193
- 5.44 Deprecated 197
- 5.45 Muxers 198
- 5.46 FLV 199
- Typedefs 200
- 5.46.4 Define Documentation 201
- 5.46.5 Typedef Documentation 202
- 5.47 FXM 204
- 5.47.4 Define Documentation 205
- 5.47.5 Typedef Documentation 206
- 5.48 3GPP - FFmpeg 207
- 5.49 3GPP2 - FFmpeg 209
- 5.50 MOV - FFmpeg 211
- 5.50.3 Define Documentation 212
- 5.51 MP4 - FFmpeg 213
- 5.52 SWF 215
- 5.52.3 Define Documentation 220
- 5.52.5 Function Documentation 225
- 5.53 WebM - FFmpeg 248
- 5.54 Base Types 249
- 5.54.1 Define Documentation 250
- 5.54.2 Typedef Documentation 250
- 5.55 Video Encoding Options 254
- 5.56 Deprecated 259
- 5.56.2 Function Documentation 261
- Chapter 6 273
- 6.3.1 Detailed Description 275
- 6.4.1 Detailed Description 277
- 6.5.1 Detailed Description 278
- 6.6.1 Detailed Description 279
- 6.8.1 Detailed Description 281
- 6.9.1 Detailed Description 282
- 6.10.1 Detailed Description 283
- 6.11.1 Detailed Description 284
- 6.12.1 Detailed Description 285
- General VP6 settings 285
- 6.13.1 Detailed Description 287
- 6.14.1 Detailed Description 289
- 6.15.1 Detailed Description 291
- 6.16.1 Detailed Description 292
- 6.17.1 Detailed Description 293
- 6.18.1 Detailed Description 294
- 6.19.1 Detailed Description 295
- 6.20.1 Detailed Description 296
- 6.21.1 Detailed Description 297
- 6.22.1 Detailed Description 298
- 6.23.1 Detailed Description 299
- 6.24.1 Detailed Description 300
- 6.25.1 Detailed Description 301
- 6.26.1 Detailed Description 302
- 6.27.1 Detailed Description 303
- 6.28.1 Detailed Description 305
- 6.29.1 Detailed Description 307
- 6.30.1 Detailed Description 308
- 6.31.1 Detailed Description 309
- 6.32.1 Detailed Description 310
- 6.33.1 Detailed Description 311
- 6.33.2 Define Documentation 315
- 6.33.3 Typedef Documentation 316
- 6.34.1 Detailed Description 317
- 6.35.1 Detailed Description 318
- 6.36.1 Detailed Description 320
- 6.37.1 Detailed Description 321
- 6.38.1 Detailed Description 323
- 6.39.1 Detailed Description 324
- 6.39.2 Define Documentation 324
- Attention: 325
- 6.40.1 Detailed Description 326
- 6.41.1 Detailed Description 328
- 6.42.1 Detailed Description 329
- 6.42.2 Define Documentation 330
- 6.43.1 Detailed Description 331
- 6.44.1 Detailed Description 332
- 6.45.1 Detailed Description 335
- Chapter 7 341
- 7.1 About Flix Engine 337 343
- • libogg (http://xiph.org/) 343
- 7.2.2 Codec Handle Creation 346
- 7.2.3 Filter Handle Creation 346
- 7.2.4 Constants 346
- 7.2.5 Functions 347
- 7.3.1 Intel Pentium 4 540 349
- 7.3.1.1 320x240 (QVGA) 350
- 7.3.1.2 640x480 (VGA) 351
- 7.3.1.3 1024x464 352
- 7.3.2 Intel Xeon X5355 353
- 7.3.2.1 320x240 (QVGA) 354
- 7.3.2.2 640x480 (VGA) 355
- 7.3.2.3 1024x464 356
- 7.3.2.4 1280x720 (720p) 357
- 7.4 CHANGELOG 358
- 7.4 CHANGELOG 353 359
- 7.4 CHANGELOG 355 361
- 7.4 CHANGELOG 357 363
- 7.4 CHANGELOG 359 365
- 7.4 CHANGELOG 361 367
- 7.4 CHANGELOG 363 369
- 7.5 flixd man page 371
- 7.5 flixd man page 367 373
- 7.6 Samples 374
- 7.7 Overview 375
- 7.8 Command Line 377
- 7.9 Command Line 379
- 7.10 Command Line 381
- 7.10 Command Line 377 383
- 7.11 CGI 384
- 7.11 CGI 379 385
- 7.11 CGI 381 387
- 7.11 CGI 383 389
- 7.11 CGI 385 391
- 7.11 CGI 387 393
- 7.11 CGI 389 395
- 7.11 CGI 391 397
- 7.11 CGI 393 399
- 7.11 CGI 395 401
- 7.11 CGI 397 403
- 7.11 CGI 399 405
- 7.11 CGI 401 407
- 7.11 CGI 403 409
- 7.11 CGI 405 411
- 7.11 CGI 407 413
- 7.11 CGI 409 415
- 7.11 CGI 411 417
- 7.11 CGI 413 419
- 7.11.2 process_sample.cgi 420
- 7.11 CGI 415 421
- 7.11 CGI 417 423
- 7.12 Command Line 425
- 7.12 Command Line 421 427
- 7.13 CGI 428
- 7.13 CGI 423 429
- 7.13 CGI 425 431
- 7.13 CGI 427 433
- 7.13 CGI 429 435
- 7.13 CGI 431 437
- 7.13 CGI 433 439
- 7.13 CGI 435 441
- 7.13 CGI 437 443
- 7.13 CGI 439 445
- 7.13 CGI 441 447
- 7.13 CGI 443 449
- 7.13 CGI 445 451
- 7.13 CGI 447 453
- 7.13 CGI 449 455
- 7.13 CGI 451 457
- 7.13 CGI 453 459
- 7.13 CGI 455 461
- 7.13 CGI 457 463
- 7.13.2 process_sample.php 464
- 7.13 CGI 459 465
- 7.13 CGI 461 467
- 7.14 Command Line 469
- 7.14 Command Line 465 471
- 7.15 CGI 472
- 7.15 CGI 467 473
- 7.15 CGI 469 475
- 7.15 CGI 471 477
- 7.15 CGI 473 479
- 7.15 CGI 475 481
- 7.15 CGI 477 483
- 7.15 CGI 479 485
- 7.15 CGI 481 487
- 7.15 CGI 483 489
- 7.15 CGI 485 491
- 7.15 CGI 487 493
- 7.15 CGI 489 495
- 7.15 CGI 491 497
- 7.15 CGI 493 499
- 7.15 CGI 495 501
- 7.15 CGI 497 503
- 7.15 CGI 499 505
- 7.15 CGI 501 507
- 7.15.2 process_sample.py 508
- 7.15 CGI 503 509
- 7.15 CGI 505 511
- 7.16 Deprecated List 513
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