1 /*****************************************************************************
2 * x264.c: h264 video encoder
3 *****************************************************************************
4 * Copyright (C) 2004-2006 the VideoLAN team
7 * Authors: Laurent Aimar <fenrir@via.ecp.fr>
8 * Ilkka Ollakka <ileoo (at)videolan org>
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
23 *****************************************************************************/
25 /*****************************************************************************
27 *****************************************************************************/
32 #include <vlc_common.h>
33 #include <vlc_plugin.h>
35 #include <vlc_codec.h>
36 #include <vlc_charset.h>
39 #ifdef PTW32_STATIC_LIB
44 #define SOUT_CFG_PREFIX "sout-x264-"
46 /*****************************************************************************
48 *****************************************************************************/
49 static int Open ( vlc_object_t * );
50 static void Close( vlc_object_t * );
52 /* Frame-type options */
54 #define KEYINT_TEXT N_("Maximum GOP size")
55 #define KEYINT_LONGTEXT N_( "Sets maximum interval between IDR-frames." \
56 "Larger values save bits, thus improving quality for a given bitrate at " \
57 "the cost of seeking precision." )
59 #define MIN_KEYINT_TEXT N_("Minimum GOP size")
60 #define MIN_KEYINT_LONGTEXT N_( "Sets minimum interval between IDR-frames. " \
61 "In H.264, I-frames do not necessarily bound a closed GOP because it is " \
62 "allowable for a P-frame to be predicted from more frames than just the " \
63 "one frame before it (also see reference frame option). Therefore, " \
64 "I-frames are not necessarily seekable. IDR-frames restrict subsequent " \
65 "P-frames from referring to any frame prior to the IDR-frame. \n" \
66 "If scenecuts appear within this interval, they are still encoded as " \
67 "I-frames, but do not start a new GOP." )
69 #define SCENE_TEXT N_("Extra I-frames aggressivity" )
70 #define SCENE_LONGTEXT N_( "Scene-cut detection. Controls how " \
71 "aggressively to insert extra I-frames. With small values of " \
72 "scenecut, the codec often has " \
73 "to force an I-frame when it would exceed keyint. " \
74 "Good values of scenecut may find a better location for the " \
75 "I-frame. Large values use more I-frames " \
76 "than necessary, thus wasting bits. -1 disables scene-cut detection, so " \
77 "I-frames are inserted only every other keyint frames, which probably " \
78 "leads to ugly encoding artifacts. Range 1 to 100." )
81 #define BFRAMES_TEXT N_("B-frames between I and P")
82 #define BFRAMES_LONGTEXT N_( "Number of consecutive B-frames between I and " \
83 "P-frames. Range 1 to 16." )
85 #define B_ADAPT_TEXT N_("Adaptive B-frame decision")
86 #define B_ADAPT_LONGTEXT N_( "Force the specified number of " \
87 "consecutive B-frames to be used, except possibly before an I-frame." \
90 #define B_BIAS_TEXT N_("Influence (bias) B-frames usage")
91 #define B_BIAS_LONGTEXT N_( "Bias the choice to use B-frames. Positive values " \
92 "cause more B-frames, negative values cause less B-frames." )
95 #define BPYRAMID_TEXT N_("Keep some B-frames as references")
97 #define BPYRAMID_LONGTEXT N_( "Allows B-frames to be used as references for " \
98 "predicting other frames. Keeps the middle of 2+ consecutive B-frames " \
99 "as a reference, and reorders frame appropriately.\n" \
100 " - none: Disabled\n" \
101 " - strict: Strictly hierarchical pyramid\n" \
102 " - normal: Non-strict (not Blu-ray compatible)\n"\
105 #define BPYRAMID_LONGTEXT N_( "Allows B-frames to be used as references for " \
106 "predicting other frames. Keeps the middle of 2+ consecutive B-frames " \
107 "as a reference, and reorders frame appropriately." )
110 #define CABAC_TEXT N_("CABAC")
111 #define CABAC_LONGTEXT N_( "CABAC (Context-Adaptive Binary Arithmetic "\
112 "Coding). Slightly slows down encoding and decoding, but should save " \
113 "10 to 15% bitrate." )
115 #define REF_TEXT N_("Number of reference frames")
116 #define REF_LONGTEXT N_( "Number of previous frames used as predictors. " \
117 "This is effective in Anime, but seems to make little difference in " \
118 "live-action source material. Some decoders are unable to deal with " \
119 "large frameref values. Range 1 to 16." )
121 #define NF_TEXT N_("Skip loop filter")
122 #define NF_LONGTEXT N_( "Deactivate the deblocking loop filter (decreases quality).")
124 #define FILTER_TEXT N_("Loop filter AlphaC0 and Beta parameters alpha:beta")
125 #define FILTER_LONGTEXT N_( "Loop filter AlphaC0 and Beta parameters. " \
126 "Range -6 to 6 for both alpha and beta parameters. -6 means light " \
127 "filter, 6 means strong.")
129 #define LEVEL_TEXT N_("H.264 level")
130 #define LEVEL_LONGTEXT N_( "Specify H.264 level (as defined by Annex A " \
131 "of the standard). Levels are not enforced; it's up to the user to select " \
132 "a level compatible with the rest of the encoding options. Range 1 to 5.1 " \
133 "(10 to 51 is also allowed).")
135 #define PROFILE_TEXT N_("H.264 profile")
136 #define PROFILE_LONGTEXT N_("Specify H.264 profile which limits are enforced over" \
139 /* In order to play an interlaced output stream encoded by x264, a decoder needs
140 mbaff support. r570 is using the 'mb' part and not 'aff' yet; so it's really
141 'pure-interlaced' mode */
142 #define INTERLACED_TEXT N_("Interlaced mode")
143 #define INTERLACED_LONGTEXT N_( "Pure-interlaced mode.")
145 #define INTRAREFRESH_TEXT N_("Use Periodic Intra Refresh")
146 #define INTRAREFRESH_LONGTEXT N_("Use Periodic Intra Refresh instead of IDR frames")
148 #define MBTREE_TEXT N_("Use mb-tree ratecontrol")
149 #define MBTREE_LONGTEXT N_("You can disable use of Macroblock-tree on ratecontrol")
151 #define SLICE_COUNT N_("Force number of slices per frame")
152 #define SLICE_COUNT_LONGTEXT N_("Force rectangular slices and is overridden by other slicing optinos")
154 #define SLICE_MAX_SIZE N_("Limit the size of each slice in bytes")
155 #define SLICE_MAX_SIZE_LONGTEXT N_("Sets a maximum slice size in bytes, Includes NAL overhead in size")
157 #define SLICE_MAX_MBS N_("Limit the size of each slice in macroblocks")
158 #define SLICE_MAX_MBS_LONGTEXT N_("Sets a maximum number of macroblocks per slice")
161 #define QP_TEXT N_("Set QP")
162 #define QP_LONGTEXT N_( "This selects the quantizer to use. " \
163 "Lower values result in better fidelity, but higher bitrates. 26 is a " \
164 "good default value. Range 0 (lossless) to 51." )
166 #define CRF_TEXT N_("Quality-based VBR")
167 #define CRF_LONGTEXT N_( "1-pass Quality-based VBR. Range 0 to 51." )
169 #define QPMIN_TEXT N_("Min QP")
170 #define QPMIN_LONGTEXT N_( "Minimum quantizer parameter. 15 to 35 seems to " \
171 "be a useful range." )
173 #define QPMAX_TEXT N_("Max QP")
174 #define QPMAX_LONGTEXT N_( "Maximum quantizer parameter." )
176 #define QPSTEP_TEXT N_("Max QP step")
177 #define QPSTEP_LONGTEXT N_( "Max QP step between frames.")
179 #define RATETOL_TEXT N_("Average bitrate tolerance")
180 #define RATETOL_LONGTEXT N_( "Allowed variance in average " \
181 "bitrate (in kbits/s).")
183 #define VBV_MAXRATE_TEXT N_("Max local bitrate")
184 #define VBV_MAXRATE_LONGTEXT N_( "Sets a maximum local bitrate (in kbits/s).")
186 #define VBV_BUFSIZE_TEXT N_("VBV buffer")
187 #define VBV_BUFSIZE_LONGTEXT N_( "Averaging period for the maximum " \
188 "local bitrate (in kbits).")
190 #define VBV_INIT_TEXT N_("Initial VBV buffer occupancy")
191 #define VBV_INIT_LONGTEXT N_( "Sets the initial buffer occupancy as a " \
192 "fraction of the buffer size. Range 0.0 to 1.0.")
194 #define AQ_MODE_TEXT N_("How AQ distributes bits")
195 #define AQ_MODE_LONGTEXT N_("Defines bitdistribution mode for AQ, default 1\n" \
197 " - 1: Current x264 default mode\n"\
198 " - 2: uses log(var)^2 instead of log(var) and attempts to adapt strength per frame")
200 #define AQ_STRENGTH_TEXT N_("Strength of AQ")
201 #define AQ_STRENGTH_LONGTEXT N_("Strength to reduce blocking and blurring in flat\n"\
202 "and textured areas, default 1.0 recommented to be between 0..2\n"\
206 /* IP Ratio < 1 is technically valid but should never improve quality */
207 #define IPRATIO_TEXT N_("QP factor between I and P")
208 #define IPRATIO_LONGTEXT N_( "QP factor between I and P. Range 1.0 to 2.0.")
210 /* PB ratio < 1 is not valid and breaks ratecontrol */
211 #define PBRATIO_TEXT N_("QP factor between P and B")
212 #define PBRATIO_LONGTEXT N_( "QP factor between P and B. Range 1.0 to 2.0.")
214 #define CHROMA_QP_OFFSET_TEXT N_("QP difference between chroma and luma")
215 #define CHROMA_QP_OFFSET_LONGTEXT N_( "QP difference between chroma and luma.")
217 #define PASS_TEXT N_("Multipass ratecontrol")
218 #define PASS_LONGTEXT N_( "Multipass ratecontrol:\n" \
219 " - 1: First pass, creates stats file\n" \
220 " - 2: Last pass, does not overwrite stats file\n" \
221 " - 3: Nth pass, overwrites stats file\n" )
223 #define QCOMP_TEXT N_("QP curve compression")
224 #define QCOMP_LONGTEXT N_( "QP curve compression. Range 0.0 (CBR) to 1.0 (QCP).")
226 #define CPLXBLUR_TEXT N_("Reduce fluctuations in QP")
227 #define CPLXBLUR_LONGTEXT N_( "This reduces the fluctuations in QP " \
228 "before curve compression. Temporally blurs complexity.")
230 #define QBLUR_TEXT N_("Reduce fluctuations in QP")
231 #define QBLUR_LONGTEXT N_( "This reduces the fluctations in QP " \
232 "after curve compression. Temporally blurs quants.")
236 #define ANALYSE_TEXT N_("Partitions to consider")
237 #define ANALYSE_LONGTEXT N_( "Partitions to consider in analyse mode: \n" \
240 " - normal: i4x4,p8x8,(i8x8)\n" \
241 " - slow : i4x4,p8x8,(i8x8),b8x8\n" \
242 " - all : i4x4,p8x8,(i8x8),b8x8,p4x4\n" \
243 "(p4x4 requires p8x8. i8x8 requires 8x8dct).")
245 #define DIRECT_PRED_TEXT N_("Direct MV prediction mode")
246 #define DIRECT_PRED_LONGTEXT N_( "Direct MV prediction mode.")
248 #define DIRECT_PRED_SIZE_TEXT N_("Direct prediction size")
249 #define DIRECT_PRED_SIZE_LONGTEXT N_( "Direct prediction size: "\
252 " - -1: smallest possible according to level\n" )
254 #define WEIGHTB_TEXT N_("Weighted prediction for B-frames")
255 #define WEIGHTB_LONGTEXT N_( "Weighted prediction for B-frames.")
257 #define WEIGHTP_TEXT N_("Weighted prediction for P-frames")
258 #define WEIGHTP_LONGTEXT N_(" Weighted prediction for P-frames: "\
260 " - 1: Blind offset\n"\
261 " - 2: Smart analysis\n" )
263 #define ME_TEXT N_("Integer pixel motion estimation method")
264 #define ME_LONGTEXT N_( "Selects the motion estimation algorithm: "\
265 " - dia: diamond search, radius 1 (fast)\n" \
266 " - hex: hexagonal search, radius 2\n" \
267 " - umh: uneven multi-hexagon search (better but slower)\n" \
268 " - esa: exhaustive search (extremely slow, primarily for testing)\n" \
269 " - tesa: hadamard exhaustive search (extremely slow, primarily for testing)\n" )
271 #define MERANGE_TEXT N_("Maximum motion vector search range")
272 #define MERANGE_LONGTEXT N_( "Maximum distance to search for " \
273 "motion estimation, measured from predicted position(s). " \
274 "Default of 16 is good for most footage, high motion sequences may " \
275 "benefit from settings between 24 and 32. Range 0 to 64." )
277 #define MVRANGE_TEXT N_("Maximum motion vector length")
278 #define MVRANGE_LONGTEXT N_( "Maximum motion vector length in pixels. " \
279 "-1 is automatic, based on level." )
281 #define MVRANGE_THREAD_TEXT N_("Minimum buffer space between threads")
282 #define MVRANGE_THREAD_LONGTEXT N_( "Minimum buffer space between threads. " \
283 "-1 is automatic, based on number of threads." )
285 #define PSY_RD_TEXT N_( "Strength of psychovisual optimization, default is \"1.0:0.0\"")
286 #define PSY_RD_LONGTEXT N_( "First parameter controls if RD is on (subme>=6) or off"\
287 "second parameter controls if Trellis is used on psychovisual optimization," \
290 #define SUBME_TEXT N_("Subpixel motion estimation and partition decision " \
294 #define SUBME_LONGTEXT N_( "This parameter controls quality versus speed " \
295 "tradeoffs involved in the motion estimation decision process " \
296 "(lower = quicker and higher = better quality). Range 1 to 9." )
298 #define B_RDO_TEXT N_("RD based mode decision for B-frames")
299 #define B_RDO_LONGTEXT N_( "RD based mode decision for B-frames. This " \
300 "requires subme 6 (or higher).")
302 #define MIXED_REFS_TEXT N_("Decide references on a per partition basis")
303 #define MIXED_REFS_LONGTEXT N_( "Allows each 8x8 or 16x8 partition to " \
304 "independently select a reference frame, as opposed to only one ref " \
307 #define CHROMA_ME_TEXT N_("Chroma in motion estimation")
308 #define CHROMA_ME_LONGTEXT N_( "Chroma ME for subpel and mode decision in " \
311 #define BIME_TEXT N_("Jointly optimize both MVs in B-frames")
312 #define BIME_LONGTEXT N_( "Joint bidirectional motion refinement.")
314 #define TRANSFORM_8X8DCT_TEXT N_("Adaptive spatial transform size")
315 #define TRANSFORM_8X8DCT_LONGTEXT N_( \
316 "SATD-based decision for 8x8 transform in inter-MBs.")
318 #define TRELLIS_TEXT N_("Trellis RD quantization" )
319 #define TRELLIS_LONGTEXT N_( "Trellis RD quantization: \n" \
321 " - 1: enabled only on the final encode of a MB\n" \
322 " - 2: enabled on all mode decisions\n" \
323 "This requires CABAC." )
325 #define FAST_PSKIP_TEXT N_("Early SKIP detection on P-frames")
326 #define FAST_PSKIP_LONGTEXT N_( "Early SKIP detection on P-frames.")
328 #define DCT_DECIMATE_TEXT N_("Coefficient thresholding on P-frames")
329 #define DCT_DECIMATE_LONGTEXT N_( "Coefficient thresholding on P-frames." \
330 "Eliminate dct blocks containing only a small single coefficient.")
332 #define PSY_TEXT N_("Use Psy-optimizations")
333 #define PSY_LONGTEXT N_("Use all visual optimizations that can worsen both PSNR and SSIM")
335 /* Noise reduction 1 is too weak to measure, suggest at least 10 */
336 #define NR_TEXT N_("Noise reduction")
337 #define NR_LONGTEXT N_( "Dct-domain noise reduction. Adaptive pseudo-deadzone. " \
338 "10 to 1000 seems to be a useful range." )
340 #define DEADZONE_INTER_TEXT N_("Inter luma quantization deadzone")
341 #define DEADZONE_INTER_LONGTEXT N_( "Set the size of the inter luma quantization deadzone. " \
344 #define DEADZONE_INTRA_TEXT N_("Intra luma quantization deadzone")
345 #define DEADZONE_INTRA_LONGTEXT N_( "Set the size of the intra luma quantization deadzone. " \
350 #define NON_DETERMINISTIC_TEXT N_("Non-deterministic optimizations when threaded")
351 #define NON_DETERMINISTIC_LONGTEXT N_( "Slightly improve quality of SMP, " \
352 "at the cost of repeatability.")
354 #define ASM_TEXT N_("CPU optimizations")
355 #define ASM_LONGTEXT N_( "Use assembler CPU optimizations.")
357 #define STATS_TEXT N_("Filename for 2 pass stats file")
358 #define STATS_LONGTEXT N_( "Filename for 2 pass stats file for multi-pass encoding.")
360 #define PSNR_TEXT N_("PSNR computation")
361 #define PSNR_LONGTEXT N_( "Compute and print PSNR stats. This has no effect on " \
362 "the actual encoding quality." )
364 #define SSIM_TEXT N_("SSIM computation")
365 #define SSIM_LONGTEXT N_( "Compute and print SSIM stats. This has no effect on " \
366 "the actual encoding quality." )
368 #define QUIET_TEXT N_("Quiet mode")
369 #define QUIET_LONGTEXT N_( "Quiet mode.")
371 #define VERBOSE_TEXT N_("Statistics")
372 #define VERBOSE_LONGTEXT N_( "Print stats for each frame.")
374 #define SPS_ID_TEXT N_("SPS and PPS id numbers")
375 #define SPS_ID_LONGTEXT N_( "Set SPS and PPS id numbers to allow concatenating " \
376 "streams with different settings.")
378 #define AUD_TEXT N_("Access unit delimiters")
379 #define AUD_LONGTEXT N_( "Generate access unit delimiter NAL units.")
381 #define LOOKAHEAD_TEXT N_("Framecount to use on frametype lookahead")
382 #define LOOKAHEAD_LONGTEXT N_("Framecount to use on frametype lookahead. " \
383 "Currently default is lower than x264 default because unmuxable output" \
384 "doesn't handle larger values that well yet" )
386 static const char *const enc_me_list[] =
387 { "dia", "hex", "umh", "esa", "tesa" };
388 static const char *const enc_me_list_text[] =
389 { N_("dia"), N_("hex"), N_("umh"), N_("esa"), N_("tesa") };
391 static const char *const profile_list[] =
392 { "baseline", "main", "high" };
395 static const char *const bpyramid_list[] =
396 { "none", "strict", "normal" };
399 static const char *const enc_analyse_list[] =
400 { "none", "fast", "normal", "slow", "all" };
401 static const char *const enc_analyse_list_text[] =
402 { N_("none"), N_("fast"), N_("normal"), N_("slow"), N_("all") };
404 static const char *const direct_pred_list[] =
405 { "none", "spatial", "temporal", "auto" };
406 static const char *const direct_pred_list_text[] =
407 { N_("none"), N_("spatial"), N_("temporal"), N_("auto") };
410 set_description( N_("H.264/MPEG4 AVC encoder (x264)"))
411 set_capability( "encoder", 200 )
412 set_callbacks( Open, Close )
413 set_category( CAT_INPUT )
414 set_subcategory( SUBCAT_INPUT_VCODEC )
416 /* Frame-type options */
418 add_integer( SOUT_CFG_PREFIX "keyint", 250, NULL, KEYINT_TEXT,
419 KEYINT_LONGTEXT, false )
421 add_integer( SOUT_CFG_PREFIX "min-keyint", 25, NULL, MIN_KEYINT_TEXT,
422 MIN_KEYINT_LONGTEXT, false )
424 add_integer( SOUT_CFG_PREFIX "scenecut", 40, NULL, SCENE_TEXT,
425 SCENE_LONGTEXT, false )
426 change_integer_range( -1, 100 )
428 add_obsolete_bool( SOUT_CFG_PREFIX "pre-scenecut" )
430 add_integer( SOUT_CFG_PREFIX "bframes", 3, NULL, BFRAMES_TEXT,
431 BFRAMES_LONGTEXT, false )
432 change_integer_range( 0, 16 )
434 add_integer( SOUT_CFG_PREFIX "b-adapt", 1, NULL, B_ADAPT_TEXT,
435 B_ADAPT_LONGTEXT, false )
436 change_integer_range( 0, 2 )
438 add_integer( SOUT_CFG_PREFIX "b-bias", 0, NULL, B_BIAS_TEXT,
439 B_BIAS_LONGTEXT, false )
440 change_integer_range( -100, 100 )
443 add_string( SOUT_CFG_PREFIX "bpyramid", "none", NULL, BPYRAMID_TEXT,
444 BPYRAMID_LONGTEXT, false )
445 change_string_list( bpyramid_list, bpyramid_list, 0 );
447 add_bool( SOUT_CFG_PREFIX "bpyramid", false, NULL, BPYRAMID_TEXT,
448 BPYRAMID_LONGTEXT, false )
451 add_bool( SOUT_CFG_PREFIX "cabac", true, NULL, CABAC_TEXT, CABAC_LONGTEXT,
454 add_integer( SOUT_CFG_PREFIX "ref", 3, NULL, REF_TEXT,
455 REF_LONGTEXT, false )
456 change_integer_range( 1, 16 )
458 add_bool( SOUT_CFG_PREFIX "nf", false, NULL, NF_TEXT,
461 add_string( SOUT_CFG_PREFIX "deblock", "0:0", NULL, FILTER_TEXT,
462 FILTER_LONGTEXT, false )
464 add_string( SOUT_CFG_PREFIX "psy-rd", "1.0:0.0", NULL, PSY_RD_TEXT,
465 PSY_RD_LONGTEXT, false )
467 add_bool( SOUT_CFG_PREFIX "psy", true, NULL, PSY_TEXT, PSY_LONGTEXT, false )
469 add_string( SOUT_CFG_PREFIX "level", "0", NULL, LEVEL_TEXT,
470 LEVEL_LONGTEXT, false )
472 add_string( SOUT_CFG_PREFIX "profile", "high", NULL, PROFILE_TEXT,
473 PROFILE_LONGTEXT, false )
474 change_string_list( profile_list, profile_list, 0 );
476 add_bool( SOUT_CFG_PREFIX "interlaced", false, NULL, INTERLACED_TEXT, INTERLACED_LONGTEXT,
479 add_integer( SOUT_CFG_PREFIX "slices", 0, NULL, SLICE_COUNT, SLICE_COUNT_LONGTEXT, false )
480 add_integer( SOUT_CFG_PREFIX "slice-max-size", 0, NULL, SLICE_MAX_SIZE, SLICE_MAX_SIZE_LONGTEXT, false )
481 add_integer( SOUT_CFG_PREFIX "slice-max-mbs", 0, NULL, SLICE_MAX_MBS, SLICE_MAX_MBS_LONGTEXT, false )
486 add_integer( SOUT_CFG_PREFIX "qp", -1, NULL, QP_TEXT, QP_LONGTEXT,
488 change_integer_range( -1, 51 ) /* QP 0 -> lossless encoding */
490 add_integer( SOUT_CFG_PREFIX "crf", 23, NULL, CRF_TEXT,
491 CRF_LONGTEXT, false )
492 change_integer_range( 0, 51 )
494 add_integer( SOUT_CFG_PREFIX "qpmin", 10, NULL, QPMIN_TEXT,
495 QPMIN_LONGTEXT, false )
496 change_integer_range( 0, 51 )
498 add_integer( SOUT_CFG_PREFIX "qpmax", 51, NULL, QPMAX_TEXT,
499 QPMAX_LONGTEXT, false )
500 change_integer_range( 0, 51 )
502 add_integer( SOUT_CFG_PREFIX "qpstep", 4, NULL, QPSTEP_TEXT,
503 QPSTEP_LONGTEXT, false )
504 change_integer_range( 0, 51 )
506 add_float( SOUT_CFG_PREFIX "ratetol", 1.0, NULL, RATETOL_TEXT,
507 RATETOL_LONGTEXT, false )
508 change_float_range( 0, 100 )
510 add_integer( SOUT_CFG_PREFIX "vbv-maxrate", 0, NULL, VBV_MAXRATE_TEXT,
511 VBV_MAXRATE_LONGTEXT, false )
513 add_integer( SOUT_CFG_PREFIX "vbv-bufsize", 0, NULL, VBV_BUFSIZE_TEXT,
514 VBV_BUFSIZE_LONGTEXT, false )
516 add_float( SOUT_CFG_PREFIX "vbv-init", 0.9, NULL, VBV_INIT_TEXT,
517 VBV_INIT_LONGTEXT, false )
518 change_float_range( 0, 1 )
520 add_float( SOUT_CFG_PREFIX "ipratio", 1.40, NULL, IPRATIO_TEXT,
521 IPRATIO_LONGTEXT, false )
522 change_float_range( 1, 2 )
524 add_float( SOUT_CFG_PREFIX "pbratio", 1.30, NULL, PBRATIO_TEXT,
525 PBRATIO_LONGTEXT, false )
526 change_float_range( 1, 2 )
528 add_integer( SOUT_CFG_PREFIX "chroma-qp-offset", 0, NULL, CHROMA_QP_OFFSET_TEXT,
529 CHROMA_QP_OFFSET_LONGTEXT, false )
531 add_integer( SOUT_CFG_PREFIX "pass", 0, NULL, PASS_TEXT,
532 PASS_LONGTEXT, false )
533 change_integer_range( 0, 3 )
535 add_float( SOUT_CFG_PREFIX "qcomp", 0.60, NULL, QCOMP_TEXT,
536 QCOMP_LONGTEXT, false )
537 change_float_range( 0, 1 )
539 add_float( SOUT_CFG_PREFIX "cplxblur", 20.0, NULL, CPLXBLUR_TEXT,
540 CPLXBLUR_LONGTEXT, false )
542 add_float( SOUT_CFG_PREFIX "qblur", 0.5, NULL, QBLUR_TEXT,
543 QBLUR_LONGTEXT, false )
545 add_integer( SOUT_CFG_PREFIX "aq-mode", X264_AQ_VARIANCE, NULL, AQ_MODE_TEXT,
546 AQ_MODE_LONGTEXT, false )
547 change_integer_range( 0, 2 )
548 add_float( SOUT_CFG_PREFIX "aq-strength", 1.0, NULL, AQ_STRENGTH_TEXT,
549 AQ_STRENGTH_LONGTEXT, false )
553 /* x264 partitions = none (default). set at least "normal" mode. */
554 add_string( SOUT_CFG_PREFIX "partitions", "normal", NULL, ANALYSE_TEXT,
555 ANALYSE_LONGTEXT, false )
556 change_string_list( enc_analyse_list, enc_analyse_list_text, 0 );
558 add_string( SOUT_CFG_PREFIX "direct", "spatial", NULL, DIRECT_PRED_TEXT,
559 DIRECT_PRED_LONGTEXT, false )
560 change_string_list( direct_pred_list, direct_pred_list_text, 0 );
562 add_integer( SOUT_CFG_PREFIX "direct-8x8", 1, NULL, DIRECT_PRED_SIZE_TEXT,
563 DIRECT_PRED_SIZE_LONGTEXT, false )
564 change_integer_range( -1, 1 )
566 add_bool( SOUT_CFG_PREFIX "weightb", true, NULL, WEIGHTB_TEXT,
567 WEIGHTB_LONGTEXT, false )
569 add_integer( SOUT_CFG_PREFIX "weightp", 2, NULL, WEIGHTP_TEXT,
570 WEIGHTP_LONGTEXT, false )
571 change_integer_range( 0, 2 )
573 add_string( SOUT_CFG_PREFIX "me", "hex", NULL, ME_TEXT,
575 change_string_list( enc_me_list, enc_me_list_text, 0 );
577 add_integer( SOUT_CFG_PREFIX "merange", 16, NULL, MERANGE_TEXT,
578 MERANGE_LONGTEXT, false )
579 change_integer_range( 1, 64 )
581 add_integer( SOUT_CFG_PREFIX "mvrange", -1, NULL, MVRANGE_TEXT,
582 MVRANGE_LONGTEXT, false )
584 add_integer( SOUT_CFG_PREFIX "mvrange-thread", -1, NULL, MVRANGE_THREAD_TEXT,
585 MVRANGE_THREAD_LONGTEXT, false )
587 add_integer( SOUT_CFG_PREFIX "subme", 5, NULL, SUBME_TEXT,
588 SUBME_LONGTEXT, false )
589 change_integer_range( 1, SUBME_MAX )
591 add_obsolete_bool( SOUT_CFG_PREFIX "b-rdo" )
593 add_bool( SOUT_CFG_PREFIX "mixed-refs", true, NULL, MIXED_REFS_TEXT,
594 MIXED_REFS_LONGTEXT, false )
596 add_bool( SOUT_CFG_PREFIX "chroma-me", true, NULL, CHROMA_ME_TEXT,
597 CHROMA_ME_LONGTEXT, false )
599 add_obsolete_bool( SOUT_CFG_PREFIX "bime" )
601 add_bool( SOUT_CFG_PREFIX "8x8dct", false, NULL, TRANSFORM_8X8DCT_TEXT,
602 TRANSFORM_8X8DCT_LONGTEXT, false )
604 add_integer( SOUT_CFG_PREFIX "trellis", 1, NULL, TRELLIS_TEXT,
605 TRELLIS_LONGTEXT, false )
606 change_integer_range( 0, 2 )
608 add_integer( SOUT_CFG_PREFIX "lookahead", 5, NULL, LOOKAHEAD_TEXT,
609 LOOKAHEAD_LONGTEXT, false )
610 change_integer_range( 0, 60 )
612 add_bool( SOUT_CFG_PREFIX "intra-refresh", false, NULL, INTRAREFRESH_TEXT,
613 INTRAREFRESH_LONGTEXT, false )
615 add_bool( SOUT_CFG_PREFIX "mbtree", true, NULL, MBTREE_TEXT, MBTREE_LONGTEXT, false )
617 add_bool( SOUT_CFG_PREFIX "fast-pskip", true, NULL, FAST_PSKIP_TEXT,
618 FAST_PSKIP_LONGTEXT, false )
620 add_bool( SOUT_CFG_PREFIX "dct-decimate", true, NULL, DCT_DECIMATE_TEXT,
621 DCT_DECIMATE_LONGTEXT, false )
623 add_integer( SOUT_CFG_PREFIX "nr", 0, NULL, NR_TEXT,
625 change_integer_range( 0, 1000 )
627 add_integer( SOUT_CFG_PREFIX "deadzone-inter", 21, NULL, DEADZONE_INTER_TEXT,
628 DEADZONE_INTRA_LONGTEXT, false )
629 change_integer_range( 0, 32 )
631 add_integer( SOUT_CFG_PREFIX "deadzone-intra", 11, NULL, DEADZONE_INTRA_TEXT,
632 DEADZONE_INTRA_LONGTEXT, false )
633 change_integer_range( 0, 32 )
637 add_bool( SOUT_CFG_PREFIX "non-deterministic", false, NULL, NON_DETERMINISTIC_TEXT,
638 NON_DETERMINISTIC_LONGTEXT, false )
640 add_bool( SOUT_CFG_PREFIX "asm", true, NULL, ASM_TEXT,
641 ASM_LONGTEXT, false )
643 /* x264 psnr = 1 (default). disable PSNR computation for speed. */
644 add_bool( SOUT_CFG_PREFIX "psnr", false, NULL, PSNR_TEXT,
645 PSNR_LONGTEXT, false )
647 /* x264 ssim = 1 (default). disable SSIM computation for speed. */
648 add_bool( SOUT_CFG_PREFIX "ssim", false, NULL, SSIM_TEXT,
649 SSIM_LONGTEXT, false )
651 add_bool( SOUT_CFG_PREFIX "quiet", false, NULL, QUIET_TEXT,
652 QUIET_LONGTEXT, false )
654 add_integer( SOUT_CFG_PREFIX "sps-id", 0, NULL, SPS_ID_TEXT,
655 SPS_ID_LONGTEXT, false )
657 add_bool( SOUT_CFG_PREFIX "aud", false, NULL, AUD_TEXT,
658 AUD_LONGTEXT, false )
660 add_bool( SOUT_CFG_PREFIX "verbose", false, NULL, VERBOSE_TEXT,
661 VERBOSE_LONGTEXT, false )
663 add_string( SOUT_CFG_PREFIX "stats", "x264_2pass.log", NULL, STATS_TEXT,
664 STATS_LONGTEXT, false )
668 /*****************************************************************************
670 *****************************************************************************/
671 static const char *const ppsz_sout_options[] = {
672 "8x8dct", "asm", "aud", "bframes", "bime", "bpyramid",
673 "b-adapt", "b-bias", "b-rdo", "cabac", "chroma-me", "chroma-qp-offset",
674 "cplxblur", "crf", "dct-decimate", "deadzone-inter", "deadzone-intra",
675 "deblock", "direct", "direct-8x8", "fast-pskip",
676 "interlaced", "ipratio", "keyint", "level",
677 "me", "merange", "min-keyint", "mixed-refs", "mvrange", "mvrange-thread",
678 "nf", "non-deterministic", "nr", "partitions", "pass", "pbratio",
679 "pre-scenecut", "psnr", "qblur", "qp", "qcomp", "qpstep", "qpmax",
680 "qpmin", "quiet", "ratetol", "ref", "scenecut",
681 "sps-id", "ssim", "stats", "subme", "trellis",
682 "verbose", "vbv-bufsize", "vbv-init", "vbv-maxrate", "weightb", "weightp",
683 "aq-mode", "aq-strength", "psy-rd", "psy", "profile", "lookahead", "slices",
684 "slice-max-size", "slice-max-mbs", "intra-refresh", "mbtree", NULL
687 static block_t *Encode( encoder_t *, picture_t * );
697 mtime_t i_interpolated_dts;
703 #ifdef PTW32_STATIC_LIB
704 static vlc_mutex_t pthread_win32_mutex = VLC_STATIC_MUTEX;
705 static int pthread_win32_count = 0;
708 /*****************************************************************************
709 * Open: probe the encoder
710 *****************************************************************************/
711 static int Open ( vlc_object_t *p_this )
713 encoder_t *p_enc = (encoder_t *)p_this;
714 encoder_sys_t *p_sys;
717 int i_qmin = 0, i_qmax = 0;
721 if( p_enc->fmt_out.i_codec != VLC_CODEC_H264 &&
726 /* X264_POINTVER or X264_VERSION are not available */
727 msg_Dbg ( p_enc, "version x264 0.%d.X", X264_BUILD );
729 config_ChainParse( p_enc, SOUT_CFG_PREFIX, ppsz_sout_options, p_enc->p_cfg );
731 p_enc->fmt_out.i_cat = VIDEO_ES;
732 p_enc->fmt_out.i_codec = VLC_CODEC_H264;
733 p_enc->fmt_in.i_codec = VLC_CODEC_I420;
735 p_enc->pf_encode_video = Encode;
736 p_enc->pf_encode_audio = NULL;
737 p_enc->p_sys = p_sys = malloc( sizeof( encoder_sys_t ) );
741 p_sys->i_initial_delay = 0;
743 p_sys->i_interpolated_dts = 0;
745 p_sys->psz_stat_name = NULL;
747 x264_param_default( &p_sys->param );
748 p_sys->param.i_width = p_enc->fmt_in.video.i_width;
749 p_sys->param.i_height = p_enc->fmt_in.video.i_height;
751 p_sys->param.rc.f_qcompress = var_GetFloat( p_enc, SOUT_CFG_PREFIX "qcomp" );
753 /* transcode-default bitrate is 0,
754 * set more to ABR if user specifies bitrate */
755 if( p_enc->fmt_out.i_bitrate > 0 )
757 p_sys->param.rc.i_bitrate = p_enc->fmt_out.i_bitrate / 1000;
758 p_sys->param.rc.i_rc_method = X264_RC_ABR;
760 else /* Set default to CRF */
762 i_val = var_GetInteger( p_enc, SOUT_CFG_PREFIX "crf" );
763 if( i_val > 0 && i_val <= 51 )
765 p_sys->param.rc.f_rf_constant = i_val;
766 p_sys->param.rc.i_rc_method = X264_RC_CRF;
770 i_val = var_GetInteger( p_enc, SOUT_CFG_PREFIX "qpstep" );
771 if( i_val >= 0 && i_val <= 51 ) p_sys->param.rc.i_qp_step = i_val;
773 i_val = var_GetInteger( p_enc, SOUT_CFG_PREFIX "qpmin" );
774 if( i_val >= 0 && i_val <= 51 )
777 p_sys->param.rc.i_qp_min = i_qmin;
779 i_val = var_GetInteger( p_enc, SOUT_CFG_PREFIX "qpmax" );
780 if( i_val >= 0 && i_val <= 51 )
783 p_sys->param.rc.i_qp_max = i_qmax;
786 i_val = var_GetInteger( p_enc, SOUT_CFG_PREFIX "qp" );
787 if( i_val >= 0 && i_val <= 51 )
789 if( i_qmin > i_val ) i_qmin = i_val;
790 if( i_qmax < i_val ) i_qmax = i_val;
792 /* User defined QP-value, so change ratecontrol method */
793 p_sys->param.rc.i_rc_method = X264_RC_CQP;
794 p_sys->param.rc.i_qp_constant = i_val;
795 p_sys->param.rc.i_qp_min = i_qmin;
796 p_sys->param.rc.i_qp_max = i_qmax;
800 p_sys->param.rc.f_rate_tolerance = var_GetFloat( p_enc,
801 SOUT_CFG_PREFIX "ratetol" );
802 p_sys->param.rc.f_vbv_buffer_init = var_GetFloat( p_enc,
803 SOUT_CFG_PREFIX "vbv-init" );
804 p_sys->param.rc.i_vbv_buffer_size = var_GetInteger( p_enc,
805 SOUT_CFG_PREFIX "vbv-bufsize" );
807 /* max bitrate = average bitrate -> CBR */
808 i_val = var_GetInteger( p_enc, SOUT_CFG_PREFIX "vbv-maxrate" );
810 if( !i_val && p_sys->param.rc.i_rc_method == X264_RC_ABR )
811 p_sys->param.rc.i_vbv_max_bitrate = p_sys->param.rc.i_bitrate;
813 p_sys->param.rc.i_vbv_max_bitrate = i_val;
815 p_sys->param.b_cabac = var_GetBool( p_enc, SOUT_CFG_PREFIX "cabac" );
817 /* disable deblocking when nf (no loop filter) is enabled */
818 p_sys->param.b_deblocking_filter = !var_GetBool( p_enc, SOUT_CFG_PREFIX "nf" );
820 psz_val = var_GetString( p_enc, SOUT_CFG_PREFIX "deblock" );
823 char *p = strchr( psz_val, ':' );
824 p_sys->param.i_deblocking_filter_alphac0 = atoi( psz_val );
825 p_sys->param.i_deblocking_filter_beta = p ?
826 atoi( p+1 ) : p_sys->param.i_deblocking_filter_alphac0;
830 psz_val = var_GetString( p_enc, SOUT_CFG_PREFIX "psy-rd" );
833 char *p = strchr( psz_val, ':' );
834 p_sys->param.analyse.f_psy_rd = us_atof( psz_val );
835 p_sys->param.analyse.f_psy_trellis = p ? us_atof( p+1 ) : 0;
839 p_sys->param.analyse.b_psy = var_GetBool( p_enc, SOUT_CFG_PREFIX "psy" );
841 psz_val = var_GetString( p_enc, SOUT_CFG_PREFIX "level" );
844 if( us_atof (psz_val) < 6 && us_atof (psz_val) > 0 )
845 p_sys->param.i_level_idc = (int) (10 * us_atof (psz_val)
847 else if( atoi(psz_val) > 0 )
848 p_sys->param.i_level_idc = atoi (psz_val);
852 p_sys->param.b_interlaced = var_GetBool( p_enc, SOUT_CFG_PREFIX "interlaced" );
853 p_sys->param.rc.f_ip_factor = var_GetFloat( p_enc, SOUT_CFG_PREFIX "ipratio" );
854 p_sys->param.rc.f_pb_factor = var_GetFloat( p_enc, SOUT_CFG_PREFIX "pbratio" );
855 p_sys->param.rc.f_complexity_blur = var_GetFloat( p_enc, SOUT_CFG_PREFIX "cplxblur" );
856 p_sys->param.rc.f_qblur = var_GetFloat( p_enc, SOUT_CFG_PREFIX "qblur" );
857 p_sys->param.rc.i_aq_mode = var_GetInteger( p_enc, SOUT_CFG_PREFIX "aq-mode" );
858 p_sys->param.rc.f_aq_strength = var_GetFloat( p_enc, SOUT_CFG_PREFIX "aq-strength" );
860 if( var_GetBool( p_enc, SOUT_CFG_PREFIX "verbose" ) )
861 p_sys->param.i_log_level = X264_LOG_DEBUG;
863 if( var_GetBool( p_enc, SOUT_CFG_PREFIX "quiet" ) )
864 p_sys->param.i_log_level = X264_LOG_NONE;
866 i_val = var_GetInteger( p_enc, SOUT_CFG_PREFIX "sps-id" );
867 if( i_val >= 0 ) p_sys->param.i_sps_id = i_val;
869 if( var_GetBool( p_enc, SOUT_CFG_PREFIX "aud" ) )
870 p_sys->param.b_aud = true;
872 i_val = var_GetInteger( p_enc, SOUT_CFG_PREFIX "keyint" );
873 if( i_val > 0 ) p_sys->param.i_keyint_max = i_val;
875 i_val = var_GetInteger( p_enc, SOUT_CFG_PREFIX "min-keyint" );
876 if( i_val > 0 ) p_sys->param.i_keyint_min = i_val;
878 i_val = var_GetInteger( p_enc, SOUT_CFG_PREFIX "bframes" );
879 if( i_val >= 0 && i_val <= 16 )
880 p_sys->param.i_bframe = i_val;
883 p_sys->param.b_intra_refresh = var_GetBool( p_enc, SOUT_CFG_PREFIX "intra-refresh" );
887 psz_val = var_GetString( p_enc, SOUT_CFG_PREFIX "bpyramid" );
888 p_sys->param.i_bframe_pyramid = X264_B_PYRAMID_NONE;
889 if( !strcmp( psz_val, "none" ) )
891 p_sys->param.i_bframe_pyramid = X264_B_PYRAMID_NONE;
892 } else if ( !strcmp( psz_val, "strict" ) )
894 p_sys->param.i_bframe_pyramid = X264_B_PYRAMID_STRICT;
895 } else if ( !strcmp( psz_val, "normal" ) )
897 p_sys->param.i_bframe_pyramid = X264_B_PYRAMID_NORMAL;
901 p_sys->param.b_bframe_pyramid = var_GetBool( p_enc, SOUT_CFG_PREFIX "bpyramid" );
904 i_val = var_GetInteger( p_enc, SOUT_CFG_PREFIX "ref" );
905 if( i_val > 0 && i_val <= 15 )
906 p_sys->param.i_frame_reference = i_val;
908 i_val = var_GetInteger( p_enc, SOUT_CFG_PREFIX "scenecut" );
909 if( i_val >= -1 && i_val <= 100 )
910 p_sys->param.i_scenecut_threshold = i_val;
912 p_sys->param.b_deterministic = var_GetBool( p_enc,
913 SOUT_CFG_PREFIX "non-deterministic" );
915 i_val = var_GetInteger( p_enc, SOUT_CFG_PREFIX "subme" );
916 if( i_val >= 1 && i_val <= SUBME_MAX )
917 p_sys->param.analyse.i_subpel_refine = i_val;
919 //TODO: psz_val == NULL ?
920 psz_val = var_GetString( p_enc, SOUT_CFG_PREFIX "me" );
921 if( !strcmp( psz_val, "dia" ) )
923 p_sys->param.analyse.i_me_method = X264_ME_DIA;
925 else if( !strcmp( psz_val, "hex" ) )
927 p_sys->param.analyse.i_me_method = X264_ME_HEX;
929 else if( !strcmp( psz_val, "umh" ) )
931 p_sys->param.analyse.i_me_method = X264_ME_UMH;
933 else if( !strcmp( psz_val, "esa" ) )
935 p_sys->param.analyse.i_me_method = X264_ME_ESA;
937 else if( !strcmp( psz_val, "tesa" ) )
939 p_sys->param.analyse.i_me_method = X264_ME_TESA;
943 i_val = var_GetInteger( p_enc, SOUT_CFG_PREFIX "merange" );
944 if( i_val >= 0 && i_val <= 64 )
945 p_sys->param.analyse.i_me_range = i_val;
947 p_sys->param.analyse.i_mv_range = var_GetInteger( p_enc,
948 SOUT_CFG_PREFIX "mvrange" );
949 p_sys->param.analyse.i_mv_range_thread = var_GetInteger( p_enc,
950 SOUT_CFG_PREFIX "mvrange-thread" );
952 psz_val = var_GetString( p_enc, SOUT_CFG_PREFIX "direct" );
953 if( !strcmp( psz_val, "none" ) )
955 p_sys->param.analyse.i_direct_mv_pred = X264_DIRECT_PRED_NONE;
957 else if( !strcmp( psz_val, "spatial" ) )
959 p_sys->param.analyse.i_direct_mv_pred = X264_DIRECT_PRED_SPATIAL;
961 else if( !strcmp( psz_val, "temporal" ) )
963 p_sys->param.analyse.i_direct_mv_pred = X264_DIRECT_PRED_TEMPORAL;
965 else if( !strcmp( psz_val, "auto" ) )
967 p_sys->param.analyse.i_direct_mv_pred = X264_DIRECT_PRED_AUTO;
971 p_sys->param.analyse.b_psnr = var_GetBool( p_enc, SOUT_CFG_PREFIX "psnr" );
972 p_sys->param.analyse.b_ssim = var_GetBool( p_enc, SOUT_CFG_PREFIX "ssim" );
973 p_sys->param.analyse.b_weighted_bipred = var_GetBool( p_enc,
974 SOUT_CFG_PREFIX "weightb" );
976 p_sys->param.analyse.i_weighted_pred = var_GetInteger( p_enc, SOUT_CFG_PREFIX "weightp" );
978 p_sys->param.i_bframe_adaptive = var_GetInteger( p_enc,
979 SOUT_CFG_PREFIX "b-adapt" );
981 i_val = var_GetInteger( p_enc, SOUT_CFG_PREFIX "b-bias" );
982 if( i_val >= -100 && i_val <= 100 )
983 p_sys->param.i_bframe_bias = i_val;
985 p_sys->param.analyse.b_chroma_me = var_GetBool( p_enc,
986 SOUT_CFG_PREFIX "chroma-me" );
987 p_sys->param.analyse.i_chroma_qp_offset = var_GetInteger( p_enc,
988 SOUT_CFG_PREFIX "chroma-qp-offset" );
989 p_sys->param.analyse.b_mixed_references = var_GetBool( p_enc,
990 SOUT_CFG_PREFIX "mixed-refs" );
992 i_val = var_GetInteger( p_enc, SOUT_CFG_PREFIX "trellis" );
993 if( i_val >= 0 && i_val <= 2 )
994 p_sys->param.analyse.i_trellis = i_val;
996 p_sys->param.analyse.b_fast_pskip = var_GetBool( p_enc,
997 SOUT_CFG_PREFIX "fast-pskip" );
999 i_val = var_GetInteger( p_enc, SOUT_CFG_PREFIX "nr" );
1000 if( i_val >= 0 && i_val <= 1000 )
1001 p_sys->param.analyse.i_noise_reduction = i_val;
1003 p_sys->param.analyse.b_dct_decimate = var_GetBool( p_enc,
1004 SOUT_CFG_PREFIX "dct-decimate" );
1006 i_val = var_GetInteger( p_enc, SOUT_CFG_PREFIX "deadzone-inter" );
1007 if( i_val >= 0 && i_val <= 32 )
1008 p_sys->param.analyse.i_luma_deadzone[0] = i_val;
1010 i_val = var_GetInteger( p_enc, SOUT_CFG_PREFIX "deadzone-intra" );
1011 if( i_val >= 0 && i_val <= 32 )
1012 p_sys->param.analyse.i_luma_deadzone[1] = i_val;
1014 if( !var_GetBool( p_enc, SOUT_CFG_PREFIX "asm" ) )
1015 p_sys->param.cpu = 0;
1017 #ifndef X264_ANALYSE_BSUB16x16
1018 # define X264_ANALYSE_BSUB16x16 0
1020 psz_val = var_GetString( p_enc, SOUT_CFG_PREFIX "partitions" );
1021 if( !strcmp( psz_val, "none" ) )
1023 p_sys->param.analyse.inter = 0;
1025 else if( !strcmp( psz_val, "fast" ) )
1027 p_sys->param.analyse.inter = X264_ANALYSE_I4x4;
1029 else if( !strcmp( psz_val, "normal" ) )
1031 p_sys->param.analyse.inter =
1033 X264_ANALYSE_PSUB16x16;
1034 #ifdef X264_ANALYSE_I8x8
1035 p_sys->param.analyse.inter |= X264_ANALYSE_I8x8;
1038 else if( !strcmp( psz_val, "slow" ) )
1040 p_sys->param.analyse.inter =
1042 X264_ANALYSE_PSUB16x16 |
1043 X264_ANALYSE_BSUB16x16;
1044 #ifdef X264_ANALYSE_I8x8
1045 p_sys->param.analyse.inter |= X264_ANALYSE_I8x8;
1048 else if( !strcmp( psz_val, "all" ) )
1050 p_sys->param.analyse.inter = ~0;
1054 p_sys->param.analyse.b_transform_8x8 = var_GetBool( p_enc,
1055 SOUT_CFG_PREFIX "8x8dct" );
1057 if( p_enc->fmt_in.video.i_sar_num > 0 &&
1058 p_enc->fmt_in.video.i_sar_den > 0 )
1060 unsigned int i_dst_num, i_dst_den;
1061 vlc_ureduce( &i_dst_num, &i_dst_den,
1062 p_enc->fmt_in.video.i_sar_num,
1063 p_enc->fmt_in.video.i_sar_den, 0 );
1064 p_sys->param.vui.i_sar_width = i_dst_num;
1065 p_sys->param.vui.i_sar_height = i_dst_den;
1068 if( p_enc->fmt_in.video.i_frame_rate_base > 0 )
1070 p_sys->param.i_fps_num = p_enc->fmt_in.video.i_frame_rate;
1071 p_sys->param.i_fps_den = p_enc->fmt_in.video.i_frame_rate_base;
1072 p_sys->param.b_vfr_input = 0;
1075 /* Check slice-options */
1076 i_val = var_GetInteger( p_enc, SOUT_CFG_PREFIX "slices" );
1078 p_sys->param.i_slice_count = i_val;
1079 i_val = var_GetInteger( p_enc, SOUT_CFG_PREFIX "slice-max-size" );
1081 p_sys->param.i_slice_max_size = i_val;
1082 i_val = var_GetInteger( p_enc, SOUT_CFG_PREFIX "slice-max-mbs" );
1084 p_sys->param.i_slice_max_mbs = i_val;
1087 /* x264 vbv-bufsize = 0 (default). if not provided set period
1088 in seconds for local maximum bitrate (cache/bufsize) based
1089 on average bitrate when use has told bitrate.
1090 vbv-buffer size is set to bitrate * secods between keyframes */
1091 if( !p_sys->param.rc.i_vbv_buffer_size &&
1092 p_sys->param.rc.i_rc_method == X264_RC_ABR &&
1093 p_sys->param.i_fps_num )
1095 p_sys->param.rc.i_vbv_buffer_size = p_sys->param.rc.i_bitrate *
1096 p_sys->param.i_fps_den;
1097 p_sys->param.rc.i_vbv_buffer_size *= p_sys->param.i_keyint_max;
1098 p_sys->param.rc.i_vbv_buffer_size /= p_sys->param.i_fps_num;
1101 /* Check if user has given some profile (baseline,main,high) to limit
1102 * settings, and apply those*/
1103 psz_val = var_GetString( p_enc, SOUT_CFG_PREFIX "profile" );
1106 if( !strcasecmp( psz_val, "baseline" ) )
1108 msg_Dbg( p_enc, "Limiting to baseline profile");
1109 p_sys->param.analyse.b_transform_8x8 = 0;
1110 p_sys->param.b_cabac = 0;
1111 p_sys->param.i_bframe = 0;
1112 #if X264_BUILD >= 79
1113 p_sys->param.analyse.i_weighted_pred = X264_WEIGHTP_NONE;
1116 else if (!strcasecmp( psz_val, "main" ) )
1118 msg_Dbg( p_enc, "Limiting to main-profile");
1119 p_sys->param.analyse.b_transform_8x8 = 0;
1121 /* high profile don't restrict stuff*/
1126 unsigned i_cpu = vlc_CPU();
1127 if( !(i_cpu & CPU_CAPABILITY_MMX) )
1129 p_sys->param.cpu &= ~X264_CPU_MMX;
1131 if( !(i_cpu & CPU_CAPABILITY_MMXEXT) )
1133 p_sys->param.cpu &= ~X264_CPU_MMXEXT;
1135 if( !(i_cpu & CPU_CAPABILITY_SSE) )
1137 p_sys->param.cpu &= ~X264_CPU_SSE;
1139 if( !(i_cpu & CPU_CAPABILITY_SSE2) )
1141 p_sys->param.cpu &= ~X264_CPU_SSE2;
1144 /* BUILD 29 adds support for multi-threaded encoding while BUILD 49 (r543)
1145 also adds support for threads = 0 for automatically selecting an optimal
1146 value (cores * 1.5) based on detected CPUs. Default behavior for x264 is
1147 threads = 1, however VLC usage differs and uses threads = 0 (auto) by
1148 default unless ofcourse transcode threads is explicitly specified.. */
1149 p_sys->param.i_threads = p_enc->i_threads;
1151 psz_val = var_GetString( p_enc, SOUT_CFG_PREFIX "stats" );
1154 p_sys->param.rc.psz_stat_in =
1155 p_sys->param.rc.psz_stat_out =
1156 p_sys->psz_stat_name = psz_val;
1159 i_val = var_GetInteger( p_enc, SOUT_CFG_PREFIX "pass" );
1160 if( i_val > 0 && i_val <= 3 )
1162 p_sys->param.rc.b_stat_write = i_val & 1;
1163 p_sys->param.rc.b_stat_read = i_val & 2;
1166 p_sys->param.rc.b_mb_tree = var_GetBool( p_enc, SOUT_CFG_PREFIX "mbtree" );
1168 /* We need to initialize pthreadw32 before we open the encoder,
1169 but only once for the whole application. Since pthreadw32
1170 doesn't keep a refcount, do it ourselves. */
1171 #ifdef PTW32_STATIC_LIB
1172 vlc_mutex_lock( &pthread_win32_mutex );
1174 if( pthread_win32_count == 0 )
1176 msg_Dbg( p_enc, "initializing pthread-win32" );
1177 if( !pthread_win32_process_attach_np() || !pthread_win32_thread_attach_np() )
1179 msg_Warn( p_enc, "pthread Win32 Initialization failed" );
1180 vlc_mutex_unlock( &pthread_win32_mutex );
1181 return VLC_EGENERIC;
1185 pthread_win32_count++;
1186 vlc_mutex_unlock( &pthread_win32_mutex );
1189 /* Set lookahead value to lower than default,
1190 * as rtp-output without mux doesn't handle
1191 * difference that well yet*/
1192 p_sys->param.rc.i_lookahead= var_GetInteger( p_enc, SOUT_CFG_PREFIX "lookahead" );
1194 /* Open the encoder */
1195 p_sys->h = x264_encoder_open( &p_sys->param );
1197 if( p_sys->h == NULL )
1199 msg_Err( p_enc, "cannot open x264 encoder" );
1200 Close( VLC_OBJECT(p_enc) );
1201 return VLC_EGENERIC;
1204 /* get the globals headers */
1205 p_enc->fmt_out.i_extra = 0;
1206 p_enc->fmt_out.p_extra = NULL;
1208 p_enc->fmt_out.i_extra = x264_encoder_headers( p_sys->h, &nal, &i_nal );
1209 p_enc->fmt_out.p_extra = malloc( p_enc->fmt_out.i_extra );
1210 if( !p_enc->fmt_out.p_extra )
1212 Close( VLC_OBJECT(p_enc) );
1215 uint8_t *p_tmp = p_enc->fmt_out.p_extra;
1216 for( i = 0; i < i_nal; i++ )
1218 memcpy( p_tmp, nal[i].p_payload, nal[i].i_payload );
1219 p_tmp += nal[i].i_payload;
1225 /****************************************************************************
1227 ****************************************************************************/
1228 static block_t *Encode( encoder_t *p_enc, picture_t *p_pict )
1230 encoder_sys_t *p_sys = p_enc->p_sys;
1234 int i_nal, i_out, i;
1237 memset( &pic, 0, sizeof( x264_picture_t ) );
1238 pic.i_pts = p_pict->date;
1239 pic.img.i_csp = X264_CSP_I420;
1240 pic.img.i_plane = p_pict->i_planes;
1241 for( i = 0; i < p_pict->i_planes; i++ )
1243 pic.img.plane[i] = p_pict->p[i].p_pixels;
1244 pic.img.i_stride[i] = p_pict->p[i].i_pitch;
1247 x264_encoder_encode( p_sys->h, &nal, &i_nal, &pic, &pic );
1249 if( !i_nal ) return NULL;
1252 /* Get size of block we need */
1253 for( i = 0, i_out = 0; i < i_nal; i++ )
1254 i_out += nal[i].i_payload;
1256 p_block = block_New( p_enc, i_out );
1257 if( !p_block ) return NULL;
1259 /* copy encoded data directly to block */
1260 for( i = 0, i_out = 0; i < i_nal; i++ )
1262 memcpy( p_block->p_buffer + i_out, nal[i].p_payload, nal[i].i_payload );
1263 i_out += nal[i].i_payload;
1266 #if X264_BUILD >= 83
1267 if( pic.b_keyframe )
1268 p_block->i_flags |= BLOCK_FLAG_TYPE_I;
1270 /* We only set IDR-frames as type_i as packetizer
1271 * places sps/pps on keyframes and we don't want it
1272 * to place sps/pps stuff with normal I-frames.
1273 * FIXME: This is a workaround and should be fixed when
1274 * there is some nice way to tell packetizer what is
1277 if( pic.i_type == X264_TYPE_IDR )
1278 p_block->i_flags |= BLOCK_FLAG_TYPE_I;
1280 else if( pic.i_type == X264_TYPE_P || pic.i_type == X264_TYPE_I )
1281 p_block->i_flags |= BLOCK_FLAG_TYPE_P;
1282 else if( pic.i_type == X264_TYPE_B )
1283 p_block->i_flags |= BLOCK_FLAG_TYPE_B;
1285 p_block->i_flags |= BLOCK_FLAG_TYPE_PB;
1287 /* This isn't really valid for streams with B-frames */
1288 p_block->i_length = INT64_C(1000000) *
1289 p_enc->fmt_in.video.i_frame_rate_base /
1290 p_enc->fmt_in.video.i_frame_rate;
1292 #if X264_BUILD >= 83
1293 /* libx264 gives pts/dts values from >= 83 onward,
1294 * also pts starts from 0 so dts can be negative,
1295 * but vlc doesn't handle if dts is < VLC_TS_0 so we
1296 * use that offset to get it right for vlc.
1298 if( p_sys->i_initial_delay == 0 && pic.i_dts < VLC_TS_0 )
1300 p_sys->i_initial_delay = -1* pic.i_dts;
1301 msg_Dbg( p_enc, "Initial delay is set to %d", p_sys->i_initial_delay );
1303 p_block->i_pts = pic.i_pts + p_sys->i_initial_delay;
1304 p_block->i_dts = pic.i_dts + p_sys->i_initial_delay;
1307 p_block->i_pts = pic.i_pts;
1309 if( p_sys->param.i_bframe > 0 )
1311 if( p_block->i_flags & BLOCK_FLAG_TYPE_B )
1313 /* FIXME : this is wrong if bpyramid is set */
1314 p_block->i_dts = p_block->i_pts;
1315 p_sys->i_interpolated_dts = p_block->i_dts;
1319 #if 1 /* XXX: remove me when 0 is a valid timestamp (see #3135) */
1320 if( p_sys->i_interpolated_dts )
1322 p_block->i_dts = p_sys->i_interpolated_dts;
1326 /* Let's put something sensible */
1327 p_block->i_dts = p_block->i_pts;
1330 p_block->i_dts = p_sys->i_interpolated_dts;
1332 p_sys->i_interpolated_dts += p_block->i_length;
1337 p_block->i_dts = p_block->i_pts;
1344 /*****************************************************************************
1345 * CloseEncoder: x264 encoder destruction
1346 *****************************************************************************/
1347 static void Close( vlc_object_t *p_this )
1349 encoder_t *p_enc = (encoder_t *)p_this;
1350 encoder_sys_t *p_sys = p_enc->p_sys;
1352 free( p_sys->psz_stat_name );
1354 msg_Dbg( p_enc, "framecount still in libx264 buffer: %d", x264_encoder_delayed_frames( p_sys->h ) );
1357 x264_encoder_close( p_sys->h );
1359 #ifdef PTW32_STATIC_LIB
1360 vlc_mutex_lock( &pthread_win32_mutex );
1361 pthread_win32_count--;
1363 if( pthread_win32_count == 0 )
1365 pthread_win32_thread_detach_np();
1366 pthread_win32_process_detach_np();
1367 msg_Dbg( p_enc, "pthread-win32 deinitialized" );
1370 vlc_mutex_unlock( &pthread_win32_mutex );