1 /*****************************************************************************
2 * x264.c: h264 video encoder
3 *****************************************************************************
4 * Copyright (C) 2004-2010 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>
40 #ifdef PTW32_STATIC_LIB
47 #define SOUT_CFG_PREFIX "sout-x264-"
49 /*****************************************************************************
51 *****************************************************************************/
52 static int Open ( vlc_object_t * );
53 static void Close( vlc_object_t * );
55 /* Frame-type options */
57 #define KEYINT_TEXT N_("Maximum GOP size")
58 #define KEYINT_LONGTEXT N_( "Sets maximum interval between IDR-frames." \
59 "Larger values save bits, thus improving quality for a given bitrate at " \
60 "the cost of seeking precision." )
62 #define MIN_KEYINT_TEXT N_("Minimum GOP size")
63 #define MIN_KEYINT_LONGTEXT N_( "Sets minimum interval between IDR-frames. " \
64 "In H.264, I-frames do not necessarily bound a closed GOP because it is " \
65 "allowable for a P-frame to be predicted from more frames than just the " \
66 "one frame before it (also see reference frame option). Therefore, " \
67 "I-frames are not necessarily seekable. IDR-frames restrict subsequent " \
68 "P-frames from referring to any frame prior to the IDR-frame. \n" \
69 "If scenecuts appear within this interval, they are still encoded as " \
70 "I-frames, but do not start a new GOP." )
72 #define OPENGOP_TEXT N_("Use recovery points to close GOPs")
73 #define OPENGOP_LONGTEXT N_("none: use closed GOPs only\n"\
74 "normal: use standard open GOPs\n" \
75 "bluray: use Blu-ray compatible open GOPs" )
77 #define SCENE_TEXT N_("Extra I-frames aggressivity" )
78 #define SCENE_LONGTEXT N_( "Scene-cut detection. Controls how " \
79 "aggressively to insert extra I-frames. With small values of " \
80 "scenecut, the codec often has " \
81 "to force an I-frame when it would exceed keyint. " \
82 "Good values of scenecut may find a better location for the " \
83 "I-frame. Large values use more I-frames " \
84 "than necessary, thus wasting bits. -1 disables scene-cut detection, so " \
85 "I-frames are inserted only every other keyint frames, which probably " \
86 "leads to ugly encoding artifacts. Range 1 to 100." )
89 #define BFRAMES_TEXT N_("B-frames between I and P")
90 #define BFRAMES_LONGTEXT N_( "Number of consecutive B-frames between I and " \
91 "P-frames. Range 1 to 16." )
93 #define B_ADAPT_TEXT N_("Adaptive B-frame decision")
94 #define B_ADAPT_LONGTEXT N_( "Force the specified number of " \
95 "consecutive B-frames to be used, except possibly before an I-frame." \
98 #define B_BIAS_TEXT N_("Influence (bias) B-frames usage")
99 #define B_BIAS_LONGTEXT N_( "Bias the choice to use B-frames. Positive values " \
100 "cause more B-frames, negative values cause less B-frames." )
103 #define BPYRAMID_TEXT N_("Keep some B-frames as references")
104 #define BPYRAMID_LONGTEXT N_( "Allows B-frames to be used as references for " \
105 "predicting other frames. Keeps the middle of 2+ consecutive B-frames " \
106 "as a reference, and reorders frame appropriately.\n" \
107 " - none: Disabled\n" \
108 " - strict: Strictly hierarchical pyramid\n" \
109 " - normal: Non-strict (not Blu-ray compatible)\n"\
112 #define CABAC_TEXT N_("CABAC")
113 #define CABAC_LONGTEXT N_( "CABAC (Context-Adaptive Binary Arithmetic "\
114 "Coding). Slightly slows down encoding and decoding, but should save " \
115 "10 to 15% bitrate." )
117 #define REF_TEXT N_("Number of reference frames")
118 #define REF_LONGTEXT N_( "Number of previous frames used as predictors. " \
119 "This is effective in Anime, but seems to make little difference in " \
120 "live-action source material. Some decoders are unable to deal with " \
121 "large frameref values. Range 1 to 16." )
123 #define NF_TEXT N_("Skip loop filter")
124 #define NF_LONGTEXT N_( "Deactivate the deblocking loop filter (decreases quality).")
126 #define FILTER_TEXT N_("Loop filter AlphaC0 and Beta parameters alpha:beta")
127 #define FILTER_LONGTEXT N_( "Loop filter AlphaC0 and Beta parameters. " \
128 "Range -6 to 6 for both alpha and beta parameters. -6 means light " \
129 "filter, 6 means strong.")
131 #define LEVEL_TEXT N_("H.264 level")
132 #define LEVEL_LONGTEXT N_( "Specify H.264 level (as defined by Annex A " \
133 "of the standard). Levels are not enforced; it's up to the user to select " \
134 "a level compatible with the rest of the encoding options. Range 1 to 5.1 " \
135 "(10 to 51 is also allowed). Set to 0 for letting x264 set level.")
137 #define PROFILE_TEXT N_("H.264 profile")
138 #define PROFILE_LONGTEXT N_("Specify H.264 profile which limits are enforced over" \
141 /* In order to play an interlaced output stream encoded by x264, a decoder needs
142 mbaff support. r570 is using the 'mb' part and not 'aff' yet; so it's really
143 'pure-interlaced' mode */
144 #define INTERLACED_TEXT N_("Interlaced mode")
145 #define INTERLACED_LONGTEXT N_( "Pure-interlaced mode.")
147 #define INTRAREFRESH_TEXT N_("Use Periodic Intra Refresh")
148 #define INTRAREFRESH_LONGTEXT N_("Use Periodic Intra Refresh instead of IDR frames")
150 #define MBTREE_TEXT N_("Use mb-tree ratecontrol")
151 #define MBTREE_LONGTEXT N_("You can disable use of Macroblock-tree on ratecontrol")
153 #define SLICE_COUNT N_("Force number of slices per frame")
154 #define SLICE_COUNT_LONGTEXT N_("Force rectangular slices and is overridden by other slicing optinos")
156 #define SLICE_MAX_SIZE N_("Limit the size of each slice in bytes")
157 #define SLICE_MAX_SIZE_LONGTEXT N_("Sets a maximum slice size in bytes, Includes NAL overhead in size")
159 #define SLICE_MAX_MBS N_("Limit the size of each slice in macroblocks")
160 #define SLICE_MAX_MBS_LONGTEXT N_("Sets a maximum number of macroblocks per slice")
163 #define QP_TEXT N_("Set QP")
164 #define QP_LONGTEXT N_( "This selects the quantizer to use. " \
165 "Lower values result in better fidelity, but higher bitrates. 26 is a " \
166 "good default value. Range 0 (lossless) to 51." )
168 #define CRF_TEXT N_("Quality-based VBR")
169 #define CRF_LONGTEXT N_( "1-pass Quality-based VBR. Range 0 to 51." )
171 #define QPMIN_TEXT N_("Min QP")
172 #define QPMIN_LONGTEXT N_( "Minimum quantizer parameter. 15 to 35 seems to " \
173 "be a useful range." )
175 #define QPMAX_TEXT N_("Max QP")
176 #define QPMAX_LONGTEXT N_( "Maximum quantizer parameter." )
178 #define QPSTEP_TEXT N_("Max QP step")
179 #define QPSTEP_LONGTEXT N_( "Max QP step between frames.")
181 #define RATETOL_TEXT N_("Average bitrate tolerance")
182 #define RATETOL_LONGTEXT N_( "Allowed variance in average " \
183 "bitrate (in kbits/s).")
185 #define VBV_MAXRATE_TEXT N_("Max local bitrate")
186 #define VBV_MAXRATE_LONGTEXT N_( "Sets a maximum local bitrate (in kbits/s).")
188 #define VBV_BUFSIZE_TEXT N_("VBV buffer")
189 #define VBV_BUFSIZE_LONGTEXT N_( "Averaging period for the maximum " \
190 "local bitrate (in kbits).")
192 #define VBV_INIT_TEXT N_("Initial VBV buffer occupancy")
193 #define VBV_INIT_LONGTEXT N_( "Sets the initial buffer occupancy as a " \
194 "fraction of the buffer size. Range 0.0 to 1.0.")
196 #define AQ_MODE_TEXT N_("How AQ distributes bits")
197 #define AQ_MODE_LONGTEXT N_("Defines bitdistribution mode for AQ, default 1\n" \
199 " - 1: Current x264 default mode\n"\
200 " - 2: uses log(var)^2 instead of log(var) and attempts to adapt strength per frame")
202 #define AQ_STRENGTH_TEXT N_("Strength of AQ")
203 #define AQ_STRENGTH_LONGTEXT N_("Strength to reduce blocking and blurring in flat\n"\
204 "and textured areas, default 1.0 recommented to be between 0..2\n"\
208 /* IP Ratio < 1 is technically valid but should never improve quality */
209 #define IPRATIO_TEXT N_("QP factor between I and P")
210 #define IPRATIO_LONGTEXT N_( "QP factor between I and P. Range 1.0 to 2.0.")
212 /* PB ratio < 1 is not valid and breaks ratecontrol */
213 #define PBRATIO_TEXT N_("QP factor between P and B")
214 #define PBRATIO_LONGTEXT N_( "QP factor between P and B. Range 1.0 to 2.0.")
216 #define CHROMA_QP_OFFSET_TEXT N_("QP difference between chroma and luma")
217 #define CHROMA_QP_OFFSET_LONGTEXT N_( "QP difference between chroma and luma.")
219 #define PASS_TEXT N_("Multipass ratecontrol")
220 #define PASS_LONGTEXT N_( "Multipass ratecontrol:\n" \
221 " - 1: First pass, creates stats file\n" \
222 " - 2: Last pass, does not overwrite stats file\n" \
223 " - 3: Nth pass, overwrites stats file\n" )
225 #define QCOMP_TEXT N_("QP curve compression")
226 #define QCOMP_LONGTEXT N_( "QP curve compression. Range 0.0 (CBR) to 1.0 (QCP).")
228 #define CPLXBLUR_TEXT N_("Reduce fluctuations in QP")
229 #define CPLXBLUR_LONGTEXT N_( "This reduces the fluctuations in QP " \
230 "before curve compression. Temporally blurs complexity.")
232 #define QBLUR_TEXT N_("Reduce fluctuations in QP")
233 #define QBLUR_LONGTEXT N_( "This reduces the fluctations in QP " \
234 "after curve compression. Temporally blurs quants.")
238 #define ANALYSE_TEXT N_("Partitions to consider")
239 #define ANALYSE_LONGTEXT N_( "Partitions to consider in analyse mode: \n" \
242 " - normal: i4x4,p8x8,(i8x8)\n" \
243 " - slow : i4x4,p8x8,(i8x8),b8x8\n" \
244 " - all : i4x4,p8x8,(i8x8),b8x8,p4x4\n" \
245 "(p4x4 requires p8x8. i8x8 requires 8x8dct).")
247 #define DIRECT_PRED_TEXT N_("Direct MV prediction mode")
248 #define DIRECT_PRED_LONGTEXT N_( "Direct MV prediction mode.")
250 #define DIRECT_PRED_SIZE_TEXT N_("Direct prediction size")
251 #define DIRECT_PRED_SIZE_LONGTEXT N_( "Direct prediction size: "\
254 " - -1: smallest possible according to level\n" )
256 #define WEIGHTB_TEXT N_("Weighted prediction for B-frames")
257 #define WEIGHTB_LONGTEXT N_( "Weighted prediction for B-frames.")
259 #define WEIGHTP_TEXT N_("Weighted prediction for P-frames")
260 #define WEIGHTP_LONGTEXT N_(" Weighted prediction for P-frames: "\
262 " - 1: Blind offset\n"\
263 " - 2: Smart analysis\n" )
265 #define ME_TEXT N_("Integer pixel motion estimation method")
266 #define ME_LONGTEXT N_( "Selects the motion estimation algorithm: "\
267 " - dia: diamond search, radius 1 (fast)\n" \
268 " - hex: hexagonal search, radius 2\n" \
269 " - umh: uneven multi-hexagon search (better but slower)\n" \
270 " - esa: exhaustive search (extremely slow, primarily for testing)\n" \
271 " - tesa: hadamard exhaustive search (extremely slow, primarily for testing)\n" )
273 #define MERANGE_TEXT N_("Maximum motion vector search range")
274 #define MERANGE_LONGTEXT N_( "Maximum distance to search for " \
275 "motion estimation, measured from predicted position(s). " \
276 "Default of 16 is good for most footage, high motion sequences may " \
277 "benefit from settings between 24 and 32. Range 0 to 64." )
279 #define MVRANGE_TEXT N_("Maximum motion vector length")
280 #define MVRANGE_LONGTEXT N_( "Maximum motion vector length in pixels. " \
281 "-1 is automatic, based on level." )
283 #define MVRANGE_THREAD_TEXT N_("Minimum buffer space between threads")
284 #define MVRANGE_THREAD_LONGTEXT N_( "Minimum buffer space between threads. " \
285 "-1 is automatic, based on number of threads." )
287 #define PSY_RD_TEXT N_( "Strength of psychovisual optimization, default is \"1.0:0.0\"")
288 #define PSY_RD_LONGTEXT N_( "First parameter controls if RD is on (subme>=6) or off.\n"\
289 "Second parameter controls if Trellis is used on psychovisual optimization, " \
292 #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 can cause sync-issues on unmuxable output, like rtsp-output without ts-mux" )
385 #define HRD_TEXT N_("HRD-timing information")
386 #define HRD_LONGTEXT N_("HRD-timing information")
388 #define TUNE_TEXT N_("Tune the settings for a particular type of source or situation. " \
389 "Overridden by user settings." )
390 #define PRESET_TEXT N_("Use preset as default settings. Overridden by user settings." )
392 static const char *const enc_me_list[] =
393 { "dia", "hex", "umh", "esa", "tesa" };
394 static const char *const enc_me_list_text[] =
395 { N_("dia"), N_("hex"), N_("umh"), N_("esa"), N_("tesa") };
397 static const char *const profile_list[] =
398 { "baseline", "main", "high" };
400 static const char *const bpyramid_list[] =
401 { "none", "strict", "normal" };
403 static const char *const enc_analyse_list[] =
404 { "none", "fast", "normal", "slow", "all" };
405 static const char *const enc_analyse_list_text[] =
406 { N_("none"), N_("fast"), N_("normal"), N_("slow"), N_("all") };
408 static const char *const direct_pred_list[] =
409 { "none", "spatial", "temporal", "auto" };
410 static const char *const direct_pred_list_text[] =
411 { N_("none"), N_("spatial"), N_("temporal"), N_("auto") };
414 set_description( N_("H.264/MPEG4 AVC encoder (x264)"))
415 set_capability( "encoder", 200 )
416 set_callbacks( Open, Close )
417 set_category( CAT_INPUT )
418 set_subcategory( SUBCAT_INPUT_VCODEC )
420 /* Frame-type options */
422 add_integer( SOUT_CFG_PREFIX "keyint", 250, KEYINT_TEXT,
423 KEYINT_LONGTEXT, false )
425 add_integer( SOUT_CFG_PREFIX "min-keyint", 25, MIN_KEYINT_TEXT,
426 MIN_KEYINT_LONGTEXT, false )
428 #if X264_BUILD >= 102
429 add_string( SOUT_CFG_PREFIX "opengop", "none", OPENGOP_TEXT,
430 OPENGOP_LONGTEXT,false )
431 change_string_list( x264_open_gop_names, x264_open_gop_names, 0 );
434 add_integer( SOUT_CFG_PREFIX "scenecut", 40, SCENE_TEXT,
435 SCENE_LONGTEXT, false )
436 change_integer_range( -1, 100 )
438 add_obsolete_bool( SOUT_CFG_PREFIX "pre-scenecut" )
440 add_integer( SOUT_CFG_PREFIX "bframes", 3, BFRAMES_TEXT,
441 BFRAMES_LONGTEXT, false )
442 change_integer_range( 0, 16 )
444 add_integer( SOUT_CFG_PREFIX "b-adapt", 1, B_ADAPT_TEXT,
445 B_ADAPT_LONGTEXT, false )
446 change_integer_range( 0, 2 )
448 add_integer( SOUT_CFG_PREFIX "b-bias", 0, B_BIAS_TEXT,
449 B_BIAS_LONGTEXT, false )
450 change_integer_range( -100, 100 )
453 add_string( SOUT_CFG_PREFIX "bpyramid", "normal", BPYRAMID_TEXT,
454 BPYRAMID_LONGTEXT, false )
456 add_string( SOUT_CFG_PREFIX "bpyramid", "none", BPYRAMID_TEXT,
457 BPYRAMID_LONGTEXT, false )
459 change_string_list( bpyramid_list, bpyramid_list, 0 );
461 add_bool( SOUT_CFG_PREFIX "cabac", true, CABAC_TEXT, CABAC_LONGTEXT,
464 add_integer( SOUT_CFG_PREFIX "ref", 3, REF_TEXT,
465 REF_LONGTEXT, false )
466 change_integer_range( 1, 16 )
468 add_bool( SOUT_CFG_PREFIX "nf", false, NF_TEXT,
471 add_string( SOUT_CFG_PREFIX "deblock", "0:0", FILTER_TEXT,
472 FILTER_LONGTEXT, false )
474 add_string( SOUT_CFG_PREFIX "psy-rd", "1.0:0.0", PSY_RD_TEXT,
475 PSY_RD_LONGTEXT, false )
477 add_bool( SOUT_CFG_PREFIX "psy", true, PSY_TEXT, PSY_LONGTEXT, false )
479 add_string( SOUT_CFG_PREFIX "level", "0", LEVEL_TEXT,
480 LEVEL_LONGTEXT, false )
482 add_string( SOUT_CFG_PREFIX "profile", "high", PROFILE_TEXT,
483 PROFILE_LONGTEXT, false )
484 change_string_list( x264_profile_names, x264_profile_names, 0 );
486 add_bool( SOUT_CFG_PREFIX "interlaced", false, INTERLACED_TEXT, INTERLACED_LONGTEXT,
489 add_integer( SOUT_CFG_PREFIX "slices", 0, SLICE_COUNT, SLICE_COUNT_LONGTEXT, false )
490 add_integer( SOUT_CFG_PREFIX "slice-max-size", 0, SLICE_MAX_SIZE, SLICE_MAX_SIZE_LONGTEXT, false )
491 add_integer( SOUT_CFG_PREFIX "slice-max-mbs", 0, SLICE_MAX_MBS, SLICE_MAX_MBS_LONGTEXT, false )
494 add_string( SOUT_CFG_PREFIX "hrd", "none", HRD_TEXT, HRD_LONGTEXT, false )
495 change_string_list( x264_nal_hrd_names, x264_nal_hrd_names, 0 );
501 add_integer( SOUT_CFG_PREFIX "qp", -1, QP_TEXT, QP_LONGTEXT,
503 change_integer_range( -1, 51 ) /* QP 0 -> lossless encoding */
505 add_integer( SOUT_CFG_PREFIX "crf", 23, CRF_TEXT,
506 CRF_LONGTEXT, false )
507 change_integer_range( 0, 51 )
509 add_integer( SOUT_CFG_PREFIX "qpmin", 10, QPMIN_TEXT,
510 QPMIN_LONGTEXT, false )
511 change_integer_range( 0, 51 )
513 add_integer( SOUT_CFG_PREFIX "qpmax", 51, QPMAX_TEXT,
514 QPMAX_LONGTEXT, false )
515 change_integer_range( 0, 51 )
517 add_integer( SOUT_CFG_PREFIX "qpstep", 4, QPSTEP_TEXT,
518 QPSTEP_LONGTEXT, false )
519 change_integer_range( 0, 51 )
521 add_float( SOUT_CFG_PREFIX "ratetol", 1.0, RATETOL_TEXT,
522 RATETOL_LONGTEXT, false )
523 change_float_range( 0, 100 )
525 add_integer( SOUT_CFG_PREFIX "vbv-maxrate", 0, VBV_MAXRATE_TEXT,
526 VBV_MAXRATE_LONGTEXT, false )
528 add_integer( SOUT_CFG_PREFIX "vbv-bufsize", 0, VBV_BUFSIZE_TEXT,
529 VBV_BUFSIZE_LONGTEXT, false )
531 add_float( SOUT_CFG_PREFIX "vbv-init", 0.9, VBV_INIT_TEXT,
532 VBV_INIT_LONGTEXT, false )
533 change_float_range( 0, 1 )
535 add_float( SOUT_CFG_PREFIX "ipratio", 1.40, IPRATIO_TEXT,
536 IPRATIO_LONGTEXT, false )
537 change_float_range( 1, 2 )
539 add_float( SOUT_CFG_PREFIX "pbratio", 1.30, PBRATIO_TEXT,
540 PBRATIO_LONGTEXT, false )
541 change_float_range( 1, 2 )
543 add_integer( SOUT_CFG_PREFIX "chroma-qp-offset", 0, CHROMA_QP_OFFSET_TEXT,
544 CHROMA_QP_OFFSET_LONGTEXT, false )
546 add_integer( SOUT_CFG_PREFIX "pass", 0, PASS_TEXT,
547 PASS_LONGTEXT, false )
548 change_integer_range( 0, 3 )
550 add_float( SOUT_CFG_PREFIX "qcomp", 0.60, QCOMP_TEXT,
551 QCOMP_LONGTEXT, false )
552 change_float_range( 0, 1 )
554 add_float( SOUT_CFG_PREFIX "cplxblur", 20.0, CPLXBLUR_TEXT,
555 CPLXBLUR_LONGTEXT, false )
557 add_float( SOUT_CFG_PREFIX "qblur", 0.5, QBLUR_TEXT,
558 QBLUR_LONGTEXT, false )
560 add_integer( SOUT_CFG_PREFIX "aq-mode", X264_AQ_VARIANCE, AQ_MODE_TEXT,
561 AQ_MODE_LONGTEXT, false )
562 change_integer_range( 0, 2 )
563 add_float( SOUT_CFG_PREFIX "aq-strength", 1.0, AQ_STRENGTH_TEXT,
564 AQ_STRENGTH_LONGTEXT, false )
568 /* x264 partitions = none (default). set at least "normal" mode. */
569 add_string( SOUT_CFG_PREFIX "partitions", "normal", ANALYSE_TEXT,
570 ANALYSE_LONGTEXT, false )
571 change_string_list( enc_analyse_list, enc_analyse_list_text, 0 );
573 add_string( SOUT_CFG_PREFIX "direct", "spatial", DIRECT_PRED_TEXT,
574 DIRECT_PRED_LONGTEXT, false )
575 change_string_list( direct_pred_list, direct_pred_list_text, 0 );
577 add_integer( SOUT_CFG_PREFIX "direct-8x8", 1, DIRECT_PRED_SIZE_TEXT,
578 DIRECT_PRED_SIZE_LONGTEXT, false )
579 change_integer_range( -1, 1 )
581 add_bool( SOUT_CFG_PREFIX "weightb", true, WEIGHTB_TEXT,
582 WEIGHTB_LONGTEXT, false )
584 add_integer( SOUT_CFG_PREFIX "weightp", 2, WEIGHTP_TEXT,
585 WEIGHTP_LONGTEXT, false )
586 change_integer_range( 0, 2 )
588 add_string( SOUT_CFG_PREFIX "me", "hex", ME_TEXT,
590 change_string_list( enc_me_list, enc_me_list_text, 0 );
592 add_integer( SOUT_CFG_PREFIX "merange", 16, MERANGE_TEXT,
593 MERANGE_LONGTEXT, false )
594 change_integer_range( 1, 64 )
596 add_integer( SOUT_CFG_PREFIX "mvrange", -1, MVRANGE_TEXT,
597 MVRANGE_LONGTEXT, false )
599 add_integer( SOUT_CFG_PREFIX "mvrange-thread", -1, MVRANGE_THREAD_TEXT,
600 MVRANGE_THREAD_LONGTEXT, false )
602 add_integer( SOUT_CFG_PREFIX "subme", 7, SUBME_TEXT,
603 SUBME_LONGTEXT, false )
605 add_obsolete_bool( SOUT_CFG_PREFIX "b-rdo" )
607 add_bool( SOUT_CFG_PREFIX "mixed-refs", true, MIXED_REFS_TEXT,
608 MIXED_REFS_LONGTEXT, false )
610 add_bool( SOUT_CFG_PREFIX "chroma-me", true, CHROMA_ME_TEXT,
611 CHROMA_ME_LONGTEXT, false )
613 add_obsolete_bool( SOUT_CFG_PREFIX "bime" )
615 add_bool( SOUT_CFG_PREFIX "8x8dct", true, TRANSFORM_8X8DCT_TEXT,
616 TRANSFORM_8X8DCT_LONGTEXT, false )
618 add_integer( SOUT_CFG_PREFIX "trellis", 1, TRELLIS_TEXT,
619 TRELLIS_LONGTEXT, false )
620 change_integer_range( 0, 2 )
622 add_integer( SOUT_CFG_PREFIX "lookahead", 40, LOOKAHEAD_TEXT,
623 LOOKAHEAD_LONGTEXT, false )
624 change_integer_range( 0, 60 )
626 add_bool( SOUT_CFG_PREFIX "intra-refresh", false, INTRAREFRESH_TEXT,
627 INTRAREFRESH_LONGTEXT, false )
629 add_bool( SOUT_CFG_PREFIX "mbtree", true, MBTREE_TEXT, MBTREE_LONGTEXT, false )
631 add_bool( SOUT_CFG_PREFIX "fast-pskip", true, FAST_PSKIP_TEXT,
632 FAST_PSKIP_LONGTEXT, false )
634 add_bool( SOUT_CFG_PREFIX "dct-decimate", true, DCT_DECIMATE_TEXT,
635 DCT_DECIMATE_LONGTEXT, false )
637 add_integer( SOUT_CFG_PREFIX "nr", 0, NR_TEXT,
639 change_integer_range( 0, 1000 )
641 add_integer( SOUT_CFG_PREFIX "deadzone-inter", 21, DEADZONE_INTER_TEXT,
642 DEADZONE_INTRA_LONGTEXT, false )
643 change_integer_range( 0, 32 )
645 add_integer( SOUT_CFG_PREFIX "deadzone-intra", 11, DEADZONE_INTRA_TEXT,
646 DEADZONE_INTRA_LONGTEXT, false )
647 change_integer_range( 0, 32 )
651 add_bool( SOUT_CFG_PREFIX "non-deterministic", false, NON_DETERMINISTIC_TEXT,
652 NON_DETERMINISTIC_LONGTEXT, false )
654 add_bool( SOUT_CFG_PREFIX "asm", true, ASM_TEXT,
655 ASM_LONGTEXT, false )
657 /* x264 psnr = 1 (default). disable PSNR computation for speed. */
658 add_bool( SOUT_CFG_PREFIX "psnr", false, PSNR_TEXT,
659 PSNR_LONGTEXT, false )
661 /* x264 ssim = 1 (default). disable SSIM computation for speed. */
662 add_bool( SOUT_CFG_PREFIX "ssim", false, SSIM_TEXT,
663 SSIM_LONGTEXT, false )
665 add_bool( SOUT_CFG_PREFIX "quiet", false, QUIET_TEXT,
666 QUIET_LONGTEXT, false )
668 add_integer( SOUT_CFG_PREFIX "sps-id", 0, SPS_ID_TEXT,
669 SPS_ID_LONGTEXT, false )
671 add_bool( SOUT_CFG_PREFIX "aud", false, AUD_TEXT,
672 AUD_LONGTEXT, false )
674 add_bool( SOUT_CFG_PREFIX "verbose", false, VERBOSE_TEXT,
675 VERBOSE_LONGTEXT, false )
677 add_string( SOUT_CFG_PREFIX "stats", "x264_2pass.log", STATS_TEXT,
678 STATS_LONGTEXT, false )
680 add_string( SOUT_CFG_PREFIX "preset", NULL , PRESET_TEXT , PRESET_TEXT, false )
681 change_string_list( x264_preset_names, x264_preset_names, 0 );
682 add_string( SOUT_CFG_PREFIX "tune", NULL , TUNE_TEXT, TUNE_TEXT, false )
683 change_string_list( x264_tune_names, x264_tune_names, 0 );
687 /*****************************************************************************
689 *****************************************************************************/
690 static const char *const ppsz_sout_options[] = {
691 "8x8dct", "asm", "aud", "bframes", "bime", "bpyramid",
692 "b-adapt", "b-bias", "b-rdo", "cabac", "chroma-me", "chroma-qp-offset",
693 "cplxblur", "crf", "dct-decimate", "deadzone-inter", "deadzone-intra",
694 "deblock", "direct", "direct-8x8", "fast-pskip",
695 "interlaced", "ipratio", "keyint", "level",
696 "me", "merange", "min-keyint", "mixed-refs", "mvrange", "mvrange-thread",
697 "nf", "non-deterministic", "nr", "partitions", "pass", "pbratio",
698 "pre-scenecut", "psnr", "qblur", "qp", "qcomp", "qpstep", "qpmax",
699 "qpmin", "quiet", "ratetol", "ref", "scenecut",
700 "sps-id", "ssim", "stats", "subme", "trellis",
701 "verbose", "vbv-bufsize", "vbv-init", "vbv-maxrate", "weightb", "weightp",
702 "aq-mode", "aq-strength", "psy-rd", "psy", "profile", "lookahead", "slices",
703 "slice-max-size", "slice-max-mbs", "intra-refresh", "mbtree", "hrd",
704 "tune","preset", "opengop", NULL
707 static block_t *Encode( encoder_t *, picture_t * );
714 mtime_t i_initial_delay;
721 #ifdef PTW32_STATIC_LIB
722 static vlc_mutex_t pthread_win32_mutex = VLC_STATIC_MUTEX;
723 static int pthread_win32_count = 0;
726 /*****************************************************************************
727 * Open: probe the encoder
728 *****************************************************************************/
729 static int Open ( vlc_object_t *p_this )
731 encoder_t *p_enc = (encoder_t *)p_this;
732 encoder_sys_t *p_sys;
735 int i_qmin = 0, i_qmax = 0;
739 if( p_enc->fmt_out.i_codec != VLC_CODEC_H264 &&
744 /* X264_POINTVER or X264_VERSION are not available */
745 msg_Dbg ( p_enc, "version x264 0.%d.X", X264_BUILD );
747 config_ChainParse( p_enc, SOUT_CFG_PREFIX, ppsz_sout_options, p_enc->p_cfg );
749 p_enc->fmt_out.i_cat = VIDEO_ES;
750 p_enc->fmt_out.i_codec = VLC_CODEC_H264;
751 p_enc->fmt_in.i_codec = VLC_CODEC_I420;
753 p_enc->pf_encode_video = Encode;
754 p_enc->pf_encode_audio = NULL;
755 p_enc->p_sys = p_sys = malloc( sizeof( encoder_sys_t ) );
758 p_sys->i_initial_delay = 0;
759 p_sys->psz_stat_name = NULL;
760 p_sys->i_sei_size = 0;
763 x264_param_default( &p_sys->param );
764 char *psz_preset = var_GetString( p_enc, SOUT_CFG_PREFIX "preset" );
765 char *psz_tune = var_GetString( p_enc, SOUT_CFG_PREFIX "tune" );
766 if( *psz_preset == '\0' )
771 x264_param_default_preset( &p_sys->param, psz_preset, psz_tune );
774 p_sys->param.i_width = p_enc->fmt_in.video.i_width;
775 p_sys->param.i_height = p_enc->fmt_in.video.i_height;
777 if( fabs(var_GetFloat( p_enc, SOUT_CFG_PREFIX "qcomp" ) - 0.60) > 0.005 )
778 p_sys->param.rc.f_qcompress = var_GetFloat( p_enc, SOUT_CFG_PREFIX "qcomp" );
780 /* transcode-default bitrate is 0,
781 * set more to ABR if user specifies bitrate */
782 if( p_enc->fmt_out.i_bitrate > 0 )
784 p_sys->param.rc.i_bitrate = p_enc->fmt_out.i_bitrate / 1000;
785 p_sys->param.rc.i_rc_method = X264_RC_ABR;
787 else /* Set default to CRF */
789 i_val = var_GetInteger( p_enc, SOUT_CFG_PREFIX "crf" );
790 if( i_val > 0 && i_val <= 51 )
792 p_sys->param.rc.f_rf_constant = i_val;
793 p_sys->param.rc.i_rc_method = X264_RC_CRF;
797 i_val = var_GetInteger( p_enc, SOUT_CFG_PREFIX "qpstep" );
798 if( i_val >= 0 && i_val <= 51 ) p_sys->param.rc.i_qp_step = i_val;
800 i_val = var_GetInteger( p_enc, SOUT_CFG_PREFIX "qpmin" );
801 if( i_val >= 0 && i_val <= 51 )
804 p_sys->param.rc.i_qp_min = i_qmin;
806 i_val = var_GetInteger( p_enc, SOUT_CFG_PREFIX "qpmax" );
807 if( i_val >= 0 && i_val <= 51 )
810 p_sys->param.rc.i_qp_max = i_qmax;
813 i_val = var_GetInteger( p_enc, SOUT_CFG_PREFIX "qp" );
814 if( i_val >= 0 && i_val <= 51 )
816 if( i_qmin > i_val ) i_qmin = i_val;
817 if( i_qmax < i_val ) i_qmax = i_val;
819 /* User defined QP-value, so change ratecontrol method */
820 p_sys->param.rc.i_rc_method = X264_RC_CQP;
821 p_sys->param.rc.i_qp_constant = i_val;
822 p_sys->param.rc.i_qp_min = i_qmin;
823 p_sys->param.rc.i_qp_max = i_qmax;
827 p_sys->param.rc.f_rate_tolerance = var_GetFloat( p_enc,
828 SOUT_CFG_PREFIX "ratetol" );
829 p_sys->param.rc.f_vbv_buffer_init = var_GetFloat( p_enc,
830 SOUT_CFG_PREFIX "vbv-init" );
831 p_sys->param.rc.i_vbv_buffer_size = var_GetInteger( p_enc,
832 SOUT_CFG_PREFIX "vbv-bufsize" );
834 /* max bitrate = average bitrate -> CBR */
835 i_val = var_GetInteger( p_enc, SOUT_CFG_PREFIX "vbv-maxrate" );
837 if( !i_val && p_sys->param.rc.i_rc_method == X264_RC_ABR )
838 p_sys->param.rc.i_vbv_max_bitrate = p_sys->param.rc.i_bitrate;
840 p_sys->param.rc.i_vbv_max_bitrate = i_val;
843 if( !var_GetBool( p_enc, SOUT_CFG_PREFIX "cabac" ) )
844 p_sys->param.b_cabac = var_GetBool( p_enc, SOUT_CFG_PREFIX "cabac" );
846 /* disable deblocking when nf (no loop filter) is enabled */
847 if( var_GetBool( p_enc, SOUT_CFG_PREFIX "nf" ) )
848 p_sys->param.b_deblocking_filter = !var_GetBool( p_enc, SOUT_CFG_PREFIX "nf" );
850 psz_val = var_GetString( p_enc, SOUT_CFG_PREFIX "deblock" );
853 if( atoi( psz_val ) != 0 )
855 char *p = strchr( psz_val, ':' );
856 p_sys->param.i_deblocking_filter_alphac0 = atoi( psz_val );
857 p_sys->param.i_deblocking_filter_beta = p ?
858 atoi( p+1 ) : p_sys->param.i_deblocking_filter_alphac0;
863 psz_val = var_GetString( p_enc, SOUT_CFG_PREFIX "psy-rd" );
866 if( us_atof( psz_val ) != 1.0 )
868 char *p = strchr( psz_val, ':' );
869 p_sys->param.analyse.f_psy_rd = us_atof( psz_val );
870 p_sys->param.analyse.f_psy_trellis = p ? us_atof( p+1 ) : 0;
875 if( !var_GetBool( p_enc, SOUT_CFG_PREFIX "psy" ) )
876 p_sys->param.analyse.b_psy = var_GetBool( p_enc, SOUT_CFG_PREFIX "psy" );
878 psz_val = var_GetString( p_enc, SOUT_CFG_PREFIX "level" );
881 if( us_atof (psz_val) < 6 && us_atof (psz_val) > 0 )
882 p_sys->param.i_level_idc = (int) (10 * us_atof (psz_val)
884 else if( atoi(psz_val) >= 10 && atoi(psz_val) <= 51 )
885 p_sys->param.i_level_idc = atoi (psz_val);
889 p_sys->param.b_interlaced = var_GetBool( p_enc, SOUT_CFG_PREFIX "interlaced" );
890 if( fabs(var_GetFloat( p_enc, SOUT_CFG_PREFIX "ipratio" ) - 1.4) > 0.005 )
891 p_sys->param.rc.f_ip_factor = var_GetFloat( p_enc, SOUT_CFG_PREFIX "ipratio" );
892 if( fabs(var_GetFloat( p_enc, SOUT_CFG_PREFIX "pbratio" ) - 1.3 ) > 0.005 )
893 p_sys->param.rc.f_pb_factor = var_GetFloat( p_enc, SOUT_CFG_PREFIX "pbratio" );
894 p_sys->param.rc.f_complexity_blur = var_GetFloat( p_enc, SOUT_CFG_PREFIX "cplxblur" );
895 p_sys->param.rc.f_qblur = var_GetFloat( p_enc, SOUT_CFG_PREFIX "qblur" );
896 if( var_GetInteger( p_enc, SOUT_CFG_PREFIX "aq-mode" ) != X264_AQ_VARIANCE )
897 p_sys->param.rc.i_aq_mode = var_GetInteger( p_enc, SOUT_CFG_PREFIX "aq-mode" );
898 if( fabs( var_GetFloat( p_enc, SOUT_CFG_PREFIX "aq-strength" ) - 1.0) > 0.005 )
899 p_sys->param.rc.f_aq_strength = var_GetFloat( p_enc, SOUT_CFG_PREFIX "aq-strength" );
901 if( var_GetBool( p_enc, SOUT_CFG_PREFIX "verbose" ) )
902 p_sys->param.i_log_level = X264_LOG_DEBUG;
904 if( var_GetBool( p_enc, SOUT_CFG_PREFIX "quiet" ) )
905 p_sys->param.i_log_level = X264_LOG_NONE;
907 i_val = var_GetInteger( p_enc, SOUT_CFG_PREFIX "sps-id" );
908 if( i_val >= 0 ) p_sys->param.i_sps_id = i_val;
910 if( var_GetBool( p_enc, SOUT_CFG_PREFIX "aud" ) )
911 p_sys->param.b_aud = true;
913 i_val = var_GetInteger( p_enc, SOUT_CFG_PREFIX "keyint" );
914 if( i_val > 0 && i_val != 250 ) p_sys->param.i_keyint_max = i_val;
916 i_val = var_GetInteger( p_enc, SOUT_CFG_PREFIX "min-keyint" );
917 if( i_val > 0 && i_val != 25 ) p_sys->param.i_keyint_min = i_val;
919 #if X264_BUILD >= 102
920 psz_val = var_GetString( p_enc, SOUT_CFG_PREFIX "opengop" );
921 if( !strcmp( psz_val, "none" ) )
922 p_sys->param.i_open_gop = X264_OPEN_GOP_NONE;
923 else if( !strcmp( psz_val, "normal" ) )
924 p_sys->param.i_open_gop = X264_OPEN_GOP_NORMAL;
925 else if( !strcmp( psz_val, "bluray" ) )
926 p_sys->param.i_open_gop = X264_OPEN_GOP_BLURAY;
929 i_val = var_GetInteger( p_enc, SOUT_CFG_PREFIX "bframes" );
930 if( i_val >= 0 && i_val <= 16 && i_val != 3 )
931 p_sys->param.i_bframe = i_val;
933 p_sys->param.b_intra_refresh = var_GetBool( p_enc, SOUT_CFG_PREFIX "intra-refresh" );
935 psz_val = var_GetString( p_enc, SOUT_CFG_PREFIX "bpyramid" );
936 if( !strcmp( psz_val, "normal" ) )
938 p_sys->param.i_bframe_pyramid = X264_B_PYRAMID_NORMAL;
940 else if ( !strcmp( psz_val, "strict" ) )
942 p_sys->param.i_bframe_pyramid = X264_B_PYRAMID_STRICT;
944 else if ( !strcmp( psz_val, "none" ) )
946 p_sys->param.i_bframe_pyramid = X264_B_PYRAMID_NONE;
951 i_val = var_GetInteger( p_enc, SOUT_CFG_PREFIX "ref" );
952 if( i_val > 0 && i_val <= 15 && i_val != 3 )
953 p_sys->param.i_frame_reference = i_val;
955 i_val = var_GetInteger( p_enc, SOUT_CFG_PREFIX "scenecut" );
956 if( i_val >= -1 && i_val <= 100 && i_val != 40 )
957 p_sys->param.i_scenecut_threshold = i_val;
959 p_sys->param.b_deterministic = var_GetBool( p_enc,
960 SOUT_CFG_PREFIX "non-deterministic" );
962 i_val = var_GetInteger( p_enc, SOUT_CFG_PREFIX "subme" );
963 if( i_val >= 1 && i_val != 7 )
964 p_sys->param.analyse.i_subpel_refine = i_val;
967 psz_val = var_GetString( p_enc, SOUT_CFG_PREFIX "hrd");
968 if( !strcmp( psz_val, "vbr" ) )
969 p_sys->param.i_nal_hrd = X264_NAL_HRD_VBR;
970 else if( !strcmp( psz_val, "cbr" ) )
971 p_sys->param.i_nal_hrd = X264_NAL_HRD_CBR;
975 //TODO: psz_val == NULL ?
976 psz_val = var_GetString( p_enc, SOUT_CFG_PREFIX "me" );
977 if( psz_val && strcmp( psz_val, "hex" ) )
979 if( !strcmp( psz_val, "dia" ) )
981 p_sys->param.analyse.i_me_method = X264_ME_DIA;
983 else if( !strcmp( psz_val, "umh" ) )
985 p_sys->param.analyse.i_me_method = X264_ME_UMH;
987 else if( !strcmp( psz_val, "esa" ) )
989 p_sys->param.analyse.i_me_method = X264_ME_ESA;
991 else if( !strcmp( psz_val, "tesa" ) )
993 p_sys->param.analyse.i_me_method = X264_ME_TESA;
998 i_val = var_GetInteger( p_enc, SOUT_CFG_PREFIX "merange" );
999 if( i_val >= 0 && i_val <= 64 && i_val != 16 )
1000 p_sys->param.analyse.i_me_range = i_val;
1002 p_sys->param.analyse.i_mv_range = var_GetInteger( p_enc,
1003 SOUT_CFG_PREFIX "mvrange" );
1004 p_sys->param.analyse.i_mv_range_thread = var_GetInteger( p_enc,
1005 SOUT_CFG_PREFIX "mvrange-thread" );
1007 psz_val = var_GetString( p_enc, SOUT_CFG_PREFIX "direct" );
1008 if( !strcmp( psz_val, "none" ) )
1010 p_sys->param.analyse.i_direct_mv_pred = X264_DIRECT_PRED_NONE;
1012 else if( !strcmp( psz_val, "spatial" ) )
1014 p_sys->param.analyse.i_direct_mv_pred = X264_DIRECT_PRED_SPATIAL;
1016 else if( !strcmp( psz_val, "temporal" ) )
1018 p_sys->param.analyse.i_direct_mv_pred = X264_DIRECT_PRED_TEMPORAL;
1020 else if( !strcmp( psz_val, "auto" ) )
1022 p_sys->param.analyse.i_direct_mv_pred = X264_DIRECT_PRED_AUTO;
1026 p_sys->param.analyse.b_psnr = var_GetBool( p_enc, SOUT_CFG_PREFIX "psnr" );
1027 p_sys->param.analyse.b_ssim = var_GetBool( p_enc, SOUT_CFG_PREFIX "ssim" );
1028 if( !var_GetBool( p_enc, SOUT_CFG_PREFIX "weightb" ) )
1029 p_sys->param.analyse.b_weighted_bipred = var_GetBool( p_enc,
1030 SOUT_CFG_PREFIX "weightb" );
1031 if( var_GetInteger( p_enc, SOUT_CFG_PREFIX "weightp" ) != 2 )
1032 p_sys->param.analyse.i_weighted_pred = var_GetInteger( p_enc, SOUT_CFG_PREFIX "weightp" );
1034 i_val = var_GetInteger( p_enc, SOUT_CFG_PREFIX "b-adapt" );
1036 p_sys->param.i_bframe_adaptive = i_val;
1038 i_val = var_GetInteger( p_enc, SOUT_CFG_PREFIX "b-bias" );
1039 if( i_val >= -100 && i_val <= 100 && i_val != 0)
1040 p_sys->param.i_bframe_bias = i_val;
1042 p_sys->param.analyse.b_chroma_me = var_GetBool( p_enc,
1043 SOUT_CFG_PREFIX "chroma-me" );
1044 p_sys->param.analyse.i_chroma_qp_offset = var_GetInteger( p_enc,
1045 SOUT_CFG_PREFIX "chroma-qp-offset" );
1046 if( !var_GetBool( p_enc, SOUT_CFG_PREFIX "mixed-refs" ) )
1047 p_sys->param.analyse.b_mixed_references = var_GetBool( p_enc,
1048 SOUT_CFG_PREFIX "mixed-refs" );
1050 i_val = var_GetInteger( p_enc, SOUT_CFG_PREFIX "trellis" );
1051 if( i_val >= 0 && i_val <= 2 && i_val != 1 )
1052 p_sys->param.analyse.i_trellis = i_val;
1054 if( !var_GetBool( p_enc, SOUT_CFG_PREFIX "fast-pskip" ) )
1055 p_sys->param.analyse.b_fast_pskip = var_GetBool( p_enc,
1056 SOUT_CFG_PREFIX "fast-pskip" );
1058 i_val = var_GetInteger( p_enc, SOUT_CFG_PREFIX "nr" );
1059 if( i_val > 0 && i_val <= 1000 )
1060 p_sys->param.analyse.i_noise_reduction = i_val;
1062 if( !var_GetBool( p_enc, SOUT_CFG_PREFIX "dct-decimate" ) )
1063 p_sys->param.analyse.b_dct_decimate = var_GetBool( p_enc,
1064 SOUT_CFG_PREFIX "dct-decimate" );
1066 i_val = var_GetInteger( p_enc, SOUT_CFG_PREFIX "deadzone-inter" );
1067 if( i_val >= 0 && i_val <= 32 && i_val != 21 )
1068 p_sys->param.analyse.i_luma_deadzone[0] = i_val;
1070 i_val = var_GetInteger( p_enc, SOUT_CFG_PREFIX "deadzone-intra" );
1071 if( i_val >= 0 && i_val <= 32 && i_val != 11)
1072 p_sys->param.analyse.i_luma_deadzone[1] = i_val;
1074 if( !var_GetBool( p_enc, SOUT_CFG_PREFIX "asm" ) )
1075 p_sys->param.cpu = 0;
1077 #ifndef X264_ANALYSE_BSUB16x16
1078 # define X264_ANALYSE_BSUB16x16 0
1080 psz_val = var_GetString( p_enc, SOUT_CFG_PREFIX "partitions" );
1081 if( !strcmp( psz_val, "none" ) )
1083 p_sys->param.analyse.inter = 0;
1085 else if( !strcmp( psz_val, "fast" ) )
1087 p_sys->param.analyse.inter = X264_ANALYSE_I4x4;
1089 else if( !strcmp( psz_val, "normal" ) )
1091 p_sys->param.analyse.inter =
1093 X264_ANALYSE_PSUB16x16;
1094 #ifdef X264_ANALYSE_I8x8
1095 p_sys->param.analyse.inter |= X264_ANALYSE_I8x8;
1098 else if( !strcmp( psz_val, "slow" ) )
1100 p_sys->param.analyse.inter =
1102 X264_ANALYSE_PSUB16x16 |
1103 X264_ANALYSE_BSUB16x16;
1104 #ifdef X264_ANALYSE_I8x8
1105 p_sys->param.analyse.inter |= X264_ANALYSE_I8x8;
1108 else if( !strcmp( psz_val, "all" ) )
1110 p_sys->param.analyse.inter = ~0;
1114 if( !var_GetBool( p_enc, SOUT_CFG_PREFIX "8x8dct" ) )
1115 p_sys->param.analyse.b_transform_8x8 = var_GetBool( p_enc,
1116 SOUT_CFG_PREFIX "8x8dct" );
1118 if( p_enc->fmt_in.video.i_sar_num > 0 &&
1119 p_enc->fmt_in.video.i_sar_den > 0 )
1121 unsigned int i_dst_num, i_dst_den;
1122 vlc_ureduce( &i_dst_num, &i_dst_den,
1123 p_enc->fmt_in.video.i_sar_num,
1124 p_enc->fmt_in.video.i_sar_den, 0 );
1125 p_sys->param.vui.i_sar_width = i_dst_num;
1126 p_sys->param.vui.i_sar_height = i_dst_den;
1129 if( p_enc->fmt_in.video.i_frame_rate_base > 0 )
1131 p_sys->param.i_fps_num = p_enc->fmt_in.video.i_frame_rate;
1132 p_sys->param.i_fps_den = p_enc->fmt_in.video.i_frame_rate_base;
1133 p_sys->param.b_vfr_input = 0;
1136 /* Check slice-options */
1137 i_val = var_GetInteger( p_enc, SOUT_CFG_PREFIX "slices" );
1139 p_sys->param.i_slice_count = i_val;
1140 i_val = var_GetInteger( p_enc, SOUT_CFG_PREFIX "slice-max-size" );
1142 p_sys->param.i_slice_max_size = i_val;
1143 i_val = var_GetInteger( p_enc, SOUT_CFG_PREFIX "slice-max-mbs" );
1145 p_sys->param.i_slice_max_mbs = i_val;
1148 /* x264 vbv-bufsize = 0 (default). if not provided set period
1149 in seconds for local maximum bitrate (cache/bufsize) based
1150 on average bitrate when use has told bitrate.
1151 vbv-buffer size is set to bitrate * secods between keyframes */
1152 if( !p_sys->param.rc.i_vbv_buffer_size &&
1153 p_sys->param.rc.i_rc_method == X264_RC_ABR &&
1154 p_sys->param.i_fps_num )
1156 p_sys->param.rc.i_vbv_buffer_size = p_sys->param.rc.i_bitrate *
1157 p_sys->param.i_fps_den;
1158 p_sys->param.rc.i_vbv_buffer_size *= p_sys->param.i_keyint_max;
1159 p_sys->param.rc.i_vbv_buffer_size /= p_sys->param.i_fps_num;
1162 /* Check if user has given some profile (baseline,main,high) to limit
1163 * settings, and apply those*/
1164 psz_val = var_GetString( p_enc, SOUT_CFG_PREFIX "profile" );
1167 if( !strcasecmp( psz_val, "baseline" ) )
1169 msg_Dbg( p_enc, "Limiting to baseline profile");
1170 p_sys->param.analyse.b_transform_8x8 = 0;
1171 p_sys->param.b_cabac = 0;
1172 p_sys->param.i_bframe = 0;
1173 p_sys->param.analyse.i_weighted_pred = X264_WEIGHTP_NONE;
1174 p_sys->param.i_bframe_pyramid = X264_B_PYRAMID_NONE;
1176 else if (!strcasecmp( psz_val, "main" ) )
1178 msg_Dbg( p_enc, "Limiting to main-profile");
1179 p_sys->param.analyse.b_transform_8x8 = 0;
1181 /* high profile don't restrict stuff*/
1186 unsigned i_cpu = vlc_CPU();
1187 if( !(i_cpu & CPU_CAPABILITY_MMX) )
1189 p_sys->param.cpu &= ~X264_CPU_MMX;
1191 if( !(i_cpu & CPU_CAPABILITY_MMXEXT) )
1193 p_sys->param.cpu &= ~X264_CPU_MMXEXT;
1195 if( !(i_cpu & CPU_CAPABILITY_SSE) )
1197 p_sys->param.cpu &= ~X264_CPU_SSE;
1199 if( !(i_cpu & CPU_CAPABILITY_SSE2) )
1201 p_sys->param.cpu &= ~X264_CPU_SSE2;
1204 /* BUILD 29 adds support for multi-threaded encoding while BUILD 49 (r543)
1205 also adds support for threads = 0 for automatically selecting an optimal
1206 value (cores * 1.5) based on detected CPUs. Default behavior for x264 is
1207 threads = 1, however VLC usage differs and uses threads = 0 (auto) by
1208 default unless ofcourse transcode threads is explicitly specified.. */
1209 p_sys->param.i_threads = p_enc->i_threads;
1211 psz_val = var_GetString( p_enc, SOUT_CFG_PREFIX "stats" );
1214 p_sys->param.rc.psz_stat_in =
1215 p_sys->param.rc.psz_stat_out =
1216 p_sys->psz_stat_name = psz_val;
1219 i_val = var_GetInteger( p_enc, SOUT_CFG_PREFIX "pass" );
1220 if( i_val > 0 && i_val <= 3 )
1222 p_sys->param.rc.b_stat_write = i_val & 1;
1223 p_sys->param.rc.b_stat_read = i_val & 2;
1226 if( !var_GetBool( p_enc, SOUT_CFG_PREFIX "mbtree" ) )
1227 p_sys->param.rc.b_mb_tree = var_GetBool( p_enc, SOUT_CFG_PREFIX "mbtree" );
1229 /* We need to initialize pthreadw32 before we open the encoder,
1230 but only once for the whole application. Since pthreadw32
1231 doesn't keep a refcount, do it ourselves. */
1232 #ifdef PTW32_STATIC_LIB
1233 vlc_mutex_lock( &pthread_win32_mutex );
1235 if( pthread_win32_count == 0 )
1237 msg_Dbg( p_enc, "initializing pthread-win32" );
1238 if( !pthread_win32_process_attach_np() || !pthread_win32_thread_attach_np() )
1240 msg_Warn( p_enc, "pthread Win32 Initialization failed" );
1241 vlc_mutex_unlock( &pthread_win32_mutex );
1242 return VLC_EGENERIC;
1246 pthread_win32_count++;
1247 vlc_mutex_unlock( &pthread_win32_mutex );
1250 if( var_GetInteger( p_enc, SOUT_CFG_PREFIX "lookahead" ) != 40 )
1252 p_sys->param.rc.i_lookahead = var_GetInteger( p_enc, SOUT_CFG_PREFIX "lookahead" );
1255 /* We don't want repeated headers, we repeat p_extra ourself if needed */
1256 p_sys->param.b_repeat_headers = 0;
1258 /* Open the encoder */
1259 p_sys->h = x264_encoder_open( &p_sys->param );
1261 if( p_sys->h == NULL )
1263 msg_Err( p_enc, "cannot open x264 encoder" );
1264 Close( VLC_OBJECT(p_enc) );
1265 return VLC_EGENERIC;
1268 /* get the globals headers */
1269 size_t i_extra = x264_encoder_headers( p_sys->h, &nal, &i_nal );
1270 uint8_t *p_extra = p_enc->fmt_out.p_extra = malloc( i_extra );
1273 Close( VLC_OBJECT(p_enc) );
1277 for( i = 0; i < i_nal; i++ )
1279 if( nal[i].i_type != NAL_SEI )
1281 memcpy( p_extra, nal[i].p_payload, nal[i].i_payload );
1282 p_extra += nal[i].i_payload;
1283 continue; /* next NAL */
1286 /* we won't store this NAL in p_extra */
1287 assert( i_extra >= (size_t)nal[i].i_payload );
1288 i_extra -= nal[i].i_payload;
1290 /* Make sure we only have one SEI NAL in the headers */
1291 assert(p_sys->i_sei_size == 0);
1292 p_sys->i_sei_size = nal[i].i_payload;
1294 p_sys->p_sei = malloc( p_sys->i_sei_size );
1298 Close( VLC_OBJECT(p_enc) );
1301 memcpy( p_sys->p_sei, nal[i].p_payload, nal[i].i_payload );
1304 p_enc->fmt_out.i_extra = i_extra;
1309 /****************************************************************************
1311 ****************************************************************************/
1312 static block_t *Encode( encoder_t *p_enc, picture_t *p_pict )
1314 encoder_sys_t *p_sys = p_enc->p_sys;
1318 int i_nal=0, i_out=0, i=0;
1321 #if X264_BUILD >= 98
1322 x264_picture_init( &pic );
1324 memset( &pic, 0, sizeof( x264_picture_t ) );
1326 if( likely(p_pict) ) {
1327 pic.i_pts = p_pict->date;
1328 /* scale pts starting from 0 as libx264 seems to return dts values
1331 if( unlikely( p_sys->i_initial_delay == 0 ) )
1332 p_sys->i_initial_delay = p_pict->date;
1333 pic.i_pts -= p_sys->i_initial_delay;
1334 pic.img.i_csp = X264_CSP_I420;
1335 pic.img.i_plane = p_pict->i_planes;
1336 for( i = 0; i < p_pict->i_planes; i++ )
1338 pic.img.plane[i] = p_pict->p[i].p_pixels;
1339 pic.img.i_stride[i] = p_pict->p[i].i_pitch;
1342 x264_encoder_encode( p_sys->h, &nal, &i_nal, &pic, &pic );
1344 if( x264_encoder_delayed_frames( p_sys->h ) ) {
1345 x264_encoder_encode( p_sys->h, &nal, &i_nal, NULL, &pic );
1349 if( !i_nal ) return NULL;
1352 /* Get size of block we need */
1353 i_out = p_sys->i_sei_size;
1354 for( i = 0; i < i_nal; i++ )
1355 i_out += nal[i].i_payload;
1357 p_block = block_New( p_enc, i_out );
1358 if( !p_block ) return NULL;
1360 /* copy encoded data directly to block */
1361 for( i = 0, i_out = 0; i < i_nal; i++ )
1363 if( p_sys->i_sei_size && nal[i].i_type == NAL_SLICE )
1365 /* insert x264 headers SEI nal before first SLICE nal */
1366 memcpy( p_block->p_buffer, p_sys->p_sei, p_sys->i_sei_size );
1367 i_out += p_sys->i_sei_size;
1368 p_sys->i_sei_size = 0;
1369 free( p_sys->p_sei );
1370 p_sys->p_sei = NULL;
1372 memcpy( p_block->p_buffer + i_out, nal[i].p_payload, nal[i].i_payload );
1373 i_out += nal[i].i_payload;
1376 if( pic.b_keyframe )
1377 p_block->i_flags |= BLOCK_FLAG_TYPE_I;
1378 else if( pic.i_type == X264_TYPE_P || pic.i_type == X264_TYPE_I )
1379 p_block->i_flags |= BLOCK_FLAG_TYPE_P;
1380 else if( pic.i_type == X264_TYPE_B )
1381 p_block->i_flags |= BLOCK_FLAG_TYPE_B;
1383 p_block->i_flags |= BLOCK_FLAG_TYPE_PB;
1385 /* This isn't really valid for streams with B-frames */
1386 p_block->i_length = INT64_C(1000000) *
1387 p_enc->fmt_in.video.i_frame_rate_base /
1388 p_enc->fmt_in.video.i_frame_rate;
1390 /* scale pts-values back*/
1391 p_block->i_pts = pic.i_pts + p_sys->i_initial_delay;
1392 p_block->i_dts = pic.i_dts + p_sys->i_initial_delay;
1397 /*****************************************************************************
1398 * CloseEncoder: x264 encoder destruction
1399 *****************************************************************************/
1400 static void Close( vlc_object_t *p_this )
1402 encoder_t *p_enc = (encoder_t *)p_this;
1403 encoder_sys_t *p_sys = p_enc->p_sys;
1405 free( p_sys->psz_stat_name );
1406 free( p_sys->p_sei );
1408 msg_Dbg( p_enc, "framecount still in libx264 buffer: %d", x264_encoder_delayed_frames( p_sys->h ) );
1411 x264_encoder_close( p_sys->h );
1413 #ifdef PTW32_STATIC_LIB
1414 vlc_mutex_lock( &pthread_win32_mutex );
1415 pthread_win32_count--;
1417 if( pthread_win32_count == 0 )
1419 pthread_win32_thread_detach_np();
1420 pthread_win32_process_detach_np();
1421 msg_Dbg( p_enc, "pthread-win32 deinitialized" );
1424 vlc_mutex_unlock( &pthread_win32_mutex );