1 /*****************************************************************************
2 * x264.c: h264 video encoder
3 *****************************************************************************
4 * Copyright (C) 2004-2006 the VideoLAN team
7 * Authors: Laurent Aimar <fenrir@via.ecp.fr>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
22 *****************************************************************************/
24 /*****************************************************************************
26 *****************************************************************************/
31 #include <vlc_common.h>
32 #include <vlc_plugin.h>
34 #include <vlc_codec.h>
35 #include <vlc_charset.h>
38 #ifdef PTW32_STATIC_LIB
43 #define SOUT_CFG_PREFIX "sout-x264-"
45 /*****************************************************************************
47 *****************************************************************************/
48 static int Open ( vlc_object_t * );
49 static void Close( vlc_object_t * );
51 /* Frame-type options */
53 #define KEYINT_TEXT N_("Maximum GOP size")
54 #define KEYINT_LONGTEXT N_( "Sets maximum interval between IDR-frames." \
55 "Larger values save bits, thus improving quality for a given bitrate at " \
56 "the cost of seeking precision." )
58 #define MIN_KEYINT_TEXT N_("Minimum GOP size")
59 #define MIN_KEYINT_LONGTEXT N_( "Sets minimum interval between IDR-frames. " \
60 "In H.264, I-frames do not necessarily bound a closed GOP because it is " \
61 "allowable for a P-frame to be predicted from more frames than just the " \
62 "one frame before it (also see reference frame option). Therefore, " \
63 "I-frames are not necessarily seekable. IDR-frames restrict subsequent " \
64 "P-frames from referring to any frame prior to the IDR-frame. \n" \
65 "If scenecuts appear within this interval, they are still encoded as " \
66 "I-frames, but do not start a new GOP." )
68 #define SCENE_TEXT N_("Extra I-frames aggressivity" )
69 #define SCENE_LONGTEXT N_( "Scene-cut detection. Controls how " \
70 "aggressively to insert extra I-frames. With small values of " \
71 "scenecut, the codec often has " \
72 "to force an I-frame when it would exceed keyint. " \
73 "Good values of scenecut may find a better location for the " \
74 "I-frame. Large values use more I-frames " \
75 "than necessary, thus wasting bits. -1 disables scene-cut detection, so " \
76 "I-frames are inserted only every other keyint frames, which probably " \
77 "leads to ugly encoding artifacts. Range 1 to 100." )
79 #if X264_BUILD >= 55 /* r607 */ && X264_BUILD < 67 /* r1117 */
80 #define PRESCENE_TEXT N_("Faster, less precise scenecut detection" )
81 #define PRESCENE_LONGTEXT N_( "Faster, less precise scenecut detection. " \
82 "Required and implied by multi-threading." )
85 #define BFRAMES_TEXT N_("B-frames between I and P")
86 #define BFRAMES_LONGTEXT N_( "Number of consecutive B-frames between I and " \
87 "P-frames. Range 1 to 16." )
89 #define B_ADAPT_TEXT N_("Adaptive B-frame decision")
91 #define B_ADAPT_LONGTEXT N_( "Force the specified number of " \
92 "consecutive B-frames to be used, except possibly before an I-frame." \
95 #define B_ADAPT_LONGTEXT N_( "Force the specified number of " \
96 "consecutive B-frames to be used, except possibly before an I-frame." )
99 #define B_BIAS_TEXT N_("Influence (bias) B-frames usage")
100 #define B_BIAS_LONGTEXT N_( "Bias the choice to use B-frames. Positive values " \
101 "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." )
108 #define CABAC_TEXT N_("CABAC")
109 #define CABAC_LONGTEXT N_( "CABAC (Context-Adaptive Binary Arithmetic "\
110 "Coding). Slightly slows down encoding and decoding, but should save " \
111 "10 to 15% bitrate." )
113 #define REF_TEXT N_("Number of reference frames")
114 #define REF_LONGTEXT N_( "Number of previous frames used as predictors. " \
115 "This is effective in Anime, but seems to make little difference in " \
116 "live-action source material. Some decoders are unable to deal with " \
117 "large frameref values. Range 1 to 16." )
119 #define NF_TEXT N_("Skip loop filter")
120 #define NF_LONGTEXT N_( "Deactivate the deblocking loop filter (decreases quality).")
122 #define FILTER_TEXT N_("Loop filter AlphaC0 and Beta parameters alpha:beta")
123 #define FILTER_LONGTEXT N_( "Loop filter AlphaC0 and Beta parameters. " \
124 "Range -6 to 6 for both alpha and beta parameters. -6 means light " \
125 "filter, 6 means strong.")
127 #define LEVEL_TEXT N_("H.264 level")
128 #define LEVEL_LONGTEXT N_( "Specify H.264 level (as defined by Annex A " \
129 "of the standard). Levels are not enforced; it's up to the user to select " \
130 "a level compatible with the rest of the encoding options. Range 1 to 5.1 " \
131 "(10 to 51 is also allowed).")
133 #define PROFILE_TEXT N_("H.264 profile")
134 #define PROFILE_LONGTEXT N_("Specify H.264 profile which limits are enforced over" \
137 /* In order to play an interlaced output stream encoded by x264, a decoder needs
138 mbaff support. r570 is using the 'mb' part and not 'aff' yet; so it's really
139 'pure-interlaced' mode */
140 #if X264_BUILD >= 51 /* r570 */
141 #define INTERLACED_TEXT N_("Interlaced mode")
142 #define INTERLACED_LONGTEXT N_( "Pure-interlaced mode.")
147 #define QP_TEXT N_("Set QP")
148 #define QP_LONGTEXT N_( "This selects the quantizer to use. " \
149 "Lower values result in better fidelity, but higher bitrates. 26 is a " \
150 "good default value. Range 0 (lossless) to 51." )
152 #define CRF_TEXT N_("Quality-based VBR")
153 #define CRF_LONGTEXT N_( "1-pass Quality-based VBR. Range 0 to 51." )
155 #define QPMIN_TEXT N_("Min QP")
156 #define QPMIN_LONGTEXT N_( "Minimum quantizer parameter. 15 to 35 seems to " \
157 "be a useful range." )
159 #define QPMAX_TEXT N_("Max QP")
160 #define QPMAX_LONGTEXT N_( "Maximum quantizer parameter." )
162 #define QPSTEP_TEXT N_("Max QP step")
163 #define QPSTEP_LONGTEXT N_( "Max QP step between frames.")
165 #define RATETOL_TEXT N_("Average bitrate tolerance")
166 #define RATETOL_LONGTEXT N_( "Allowed variance in average " \
167 "bitrate (in kbits/s).")
169 #define VBV_MAXRATE_TEXT N_("Max local bitrate")
170 #define VBV_MAXRATE_LONGTEXT N_( "Sets a maximum local bitrate (in kbits/s).")
172 #define VBV_BUFSIZE_TEXT N_("VBV buffer")
173 #define VBV_BUFSIZE_LONGTEXT N_( "Averaging period for the maximum " \
174 "local bitrate (in kbits).")
176 #define VBV_INIT_TEXT N_("Initial VBV buffer occupancy")
177 #define VBV_INIT_LONGTEXT N_( "Sets the initial buffer occupancy as a " \
178 "fraction of the buffer size. Range 0.0 to 1.0.")
181 #define AQ_MODE_TEXT N_("How AQ distributes bits")
182 #define AQ_MODE_LONGTEXT N_("Defines bitdistribution mode for AQ, default 1\n" \
184 " - 1: Current x264 default mode\n"\
185 " - 2: uses log(var)^2 instead of log(var) and attempts to adapt strength per frame")
187 #define AQ_STRENGTH_TEXT N_("Strength of AQ")
188 #define AQ_STRENGTH_LONGTEXT N_("Strength to reduce blocking and blurring in flat\n"\
189 "and textured areas, default 1.0 recommented to be between 0..2\n"\
194 /* IP Ratio < 1 is technically valid but should never improve quality */
195 #define IPRATIO_TEXT N_("QP factor between I and P")
196 #define IPRATIO_LONGTEXT N_( "QP factor between I and P. Range 1.0 to 2.0.")
198 /* PB ratio < 1 is not valid and breaks ratecontrol */
199 #define PBRATIO_TEXT N_("QP factor between P and B")
200 #define PBRATIO_LONGTEXT N_( "QP factor between P and B. Range 1.0 to 2.0.")
202 #define CHROMA_QP_OFFSET_TEXT N_("QP difference between chroma and luma")
203 #define CHROMA_QP_OFFSET_LONGTEXT N_( "QP difference between chroma and luma.")
205 #define PASS_TEXT N_("Multipass ratecontrol")
206 #define PASS_LONGTEXT N_( "Multipass ratecontrol:\n" \
207 " - 1: First pass, creates stats file\n" \
208 " - 2: Last pass, does not overwrite stats file\n" \
209 " - 3: Nth pass, overwrites stats file\n" )
211 #define QCOMP_TEXT N_("QP curve compression")
212 #define QCOMP_LONGTEXT N_( "QP curve compression. Range 0.0 (CBR) to 1.0 (QCP).")
214 #define CPLXBLUR_TEXT N_("Reduce fluctuations in QP")
215 #define CPLXBLUR_LONGTEXT N_( "This reduces the fluctuations in QP " \
216 "before curve compression. Temporally blurs complexity.")
218 #define QBLUR_TEXT N_("Reduce fluctuations in QP")
219 #define QBLUR_LONGTEXT N_( "This reduces the fluctations in QP " \
220 "after curve compression. Temporally blurs quants.")
224 #define ANALYSE_TEXT N_("Partitions to consider")
225 #define ANALYSE_LONGTEXT N_( "Partitions to consider in analyse mode: \n" \
228 " - normal: i4x4,p8x8,(i8x8)\n" \
229 " - slow : i4x4,p8x8,(i8x8),b8x8\n" \
230 " - all : i4x4,p8x8,(i8x8),b8x8,p4x4\n" \
231 "(p4x4 requires p8x8. i8x8 requires 8x8dct).")
233 #define DIRECT_PRED_TEXT N_("Direct MV prediction mode")
234 #define DIRECT_PRED_LONGTEXT N_( "Direct MV prediction mode.")
236 #if X264_BUILD >= 52 /* r573 */
237 #define DIRECT_PRED_SIZE_TEXT N_("Direct prediction size")
238 #define DIRECT_PRED_SIZE_LONGTEXT N_( "Direct prediction size: "\
241 " - -1: smallest possible according to level\n" )
244 #define WEIGHTB_TEXT N_("Weighted prediction for B-frames")
245 #define WEIGHTB_LONGTEXT N_( "Weighted prediction for B-frames.")
247 #define ME_TEXT N_("Integer pixel motion estimation method")
248 #if X264_BUILD >= 58 /* r728 */
249 #define ME_LONGTEXT N_( "Selects the motion estimation algorithm: "\
250 " - dia: diamond search, radius 1 (fast)\n" \
251 " - hex: hexagonal search, radius 2\n" \
252 " - umh: uneven multi-hexagon search (better but slower)\n" \
253 " - esa: exhaustive search (extremely slow, primarily for testing)\n" \
254 " - tesa: hadamard exhaustive search (extremely slow, primarily for testing)\n" )
256 #define ME_LONGTEXT N_( "Selects the motion estimation algorithm: "\
257 " - dia: diamond search, radius 1 (fast)\n" \
258 " - hex: hexagonal search, radius 2\n" \
259 " - umh: uneven multi-hexagon search (better but slower)\n" \
260 " - esa: exhaustive search (extremely slow, primarily for testing)\n" )
264 #define MERANGE_TEXT N_("Maximum motion vector search range")
265 #define MERANGE_LONGTEXT N_( "Maximum distance to search for " \
266 "motion estimation, measured from predicted position(s). " \
267 "Default of 16 is good for most footage, high motion sequences may " \
268 "benefit from settings between 24 and 32. Range 0 to 64." )
270 #define MVRANGE_TEXT N_("Maximum motion vector length")
271 #define MVRANGE_LONGTEXT N_( "Maximum motion vector length in pixels. " \
272 "-1 is automatic, based on level." )
275 #if X264_BUILD >= 55 /* r607 */
276 #define MVRANGE_THREAD_TEXT N_("Minimum buffer space between threads")
277 #define MVRANGE_THREAD_LONGTEXT N_( "Minimum buffer space between threads. " \
278 "-1 is automatic, based on number of threads." )
282 #define PSY_RD_TEXT N_( "Strength of psychovisual optimization, default is \"1.0:0.0\"")
283 #define PSY_RD_LONGTEXT N_( "First parameter controls if RD is on (subme>=6) or off"\
284 "second parameter controls if Trellis is used on psychovisual optimization," \
288 #define SUBME_TEXT N_("Subpixel motion estimation and partition decision " \
292 #define SUBME_LONGTEXT N_( "This parameter controls quality versus speed " \
293 "tradeoffs involved in the motion estimation decision process " \
294 "(lower = quicker and higher = better quality). Range 1 to 9." )
295 #elif X264_BUILD >= 46 /* r477 */
297 #define SUBME_LONGTEXT N_( "This parameter controls quality versus speed " \
298 "tradeoffs involved in the motion estimation decision process " \
299 "(lower = quicker and higher = better quality). Range 1 to 7." )
300 #elif X264_BUILD >= 30 /* r262 */
302 #define SUBME_LONGTEXT N_( "This parameter controls quality versus speed " \
303 "tradeoffs involved in the motion estimation decision process " \
304 "(lower = quicker and higher = better quality). Range 1 to 6." )
307 #define SUBME_LONGTEXT N_( "This parameter controls quality versus speed " \
308 "tradeoffs involved in the motion estimation decision process " \
309 "(lower = quicker and higher = better quality). Range 1 to 5." )
312 #define B_RDO_TEXT N_("RD based mode decision for B-frames")
313 #define B_RDO_LONGTEXT N_( "RD based mode decision for B-frames. This " \
314 "requires subme 6 (or higher).")
316 #define MIXED_REFS_TEXT N_("Decide references on a per partition basis")
317 #define MIXED_REFS_LONGTEXT N_( "Allows each 8x8 or 16x8 partition to " \
318 "independently select a reference frame, as opposed to only one ref " \
321 #define CHROMA_ME_TEXT N_("Chroma in motion estimation")
322 #define CHROMA_ME_LONGTEXT N_( "Chroma ME for subpel and mode decision in " \
325 #define BIME_TEXT N_("Jointly optimize both MVs in B-frames")
326 #define BIME_LONGTEXT N_( "Joint bidirectional motion refinement.")
328 #define TRANSFORM_8X8DCT_TEXT N_("Adaptive spatial transform size")
329 #define TRANSFORM_8X8DCT_LONGTEXT N_( \
330 "SATD-based decision for 8x8 transform in inter-MBs.")
332 #define TRELLIS_TEXT N_("Trellis RD quantization" )
333 #define TRELLIS_LONGTEXT N_( "Trellis RD quantization: \n" \
335 " - 1: enabled only on the final encode of a MB\n" \
336 " - 2: enabled on all mode decisions\n" \
337 "This requires CABAC." )
339 #define FAST_PSKIP_TEXT N_("Early SKIP detection on P-frames")
340 #define FAST_PSKIP_LONGTEXT N_( "Early SKIP detection on P-frames.")
342 #define DCT_DECIMATE_TEXT N_("Coefficient thresholding on P-frames")
343 #define DCT_DECIMATE_LONGTEXT N_( "Coefficient thresholding on P-frames." \
344 "Eliminate dct blocks containing only a small single coefficient.")
346 /* Noise reduction 1 is too weak to measure, suggest at least 10 */
347 #define NR_TEXT N_("Noise reduction")
348 #define NR_LONGTEXT N_( "Dct-domain noise reduction. Adaptive pseudo-deadzone. " \
349 "10 to 1000 seems to be a useful range." )
351 #if X264_BUILD >= 52 /* r573 */
352 #define DEADZONE_INTER_TEXT N_("Inter luma quantization deadzone")
353 #define DEADZONE_INTER_LONGTEXT N_( "Set the size of the inter luma quantization deadzone. " \
356 #define DEADZONE_INTRA_TEXT N_("Intra luma quantization deadzone")
357 #define DEADZONE_INTRA_LONGTEXT N_( "Set the size of the intra luma quantization deadzone. " \
363 #if X264_BUILD >= 55 /* r607 */
364 #define NON_DETERMINISTIC_TEXT N_("Non-deterministic optimizations when threaded")
365 #define NON_DETERMINISTIC_LONGTEXT N_( "Slightly improve quality of SMP, " \
366 "at the cost of repeatability.")
369 #define ASM_TEXT N_("CPU optimizations")
370 #define ASM_LONGTEXT N_( "Use assembler CPU optimizations.")
372 #define STATS_TEXT N_("Filename for 2 pass stats file")
373 #define STATS_LONGTEXT N_( "Filename for 2 pass stats file for multi-pass encoding.")
375 #define PSNR_TEXT N_("PSNR computation")
376 #define PSNR_LONGTEXT N_( "Compute and print PSNR stats. This has no effect on " \
377 "the actual encoding quality." )
379 #define SSIM_TEXT N_("SSIM computation")
380 #define SSIM_LONGTEXT N_( "Compute and print SSIM stats. This has no effect on " \
381 "the actual encoding quality." )
383 #define QUIET_TEXT N_("Quiet mode")
384 #define QUIET_LONGTEXT N_( "Quiet mode.")
386 #define VERBOSE_TEXT N_("Statistics")
387 #define VERBOSE_LONGTEXT N_( "Print stats for each frame.")
389 #if X264_BUILD >= 47 /* r518 */
390 #define SPS_ID_TEXT N_("SPS and PPS id numbers")
391 #define SPS_ID_LONGTEXT N_( "Set SPS and PPS id numbers to allow concatenating " \
392 "streams with different settings.")
395 #define AUD_TEXT N_("Access unit delimiters")
396 #define AUD_LONGTEXT N_( "Generate access unit delimiter NAL units.")
398 #if X264_BUILD >= 24 && X264_BUILD < 58
399 static const char *const enc_me_list[] =
400 { "dia", "hex", "umh", "esa" };
401 static const char *const enc_me_list_text[] =
402 { N_("dia"), N_("hex"), N_("umh"), N_("esa") };
405 #if X264_BUILD >= 58 /* r728 */
406 static const char *const enc_me_list[] =
407 { "dia", "hex", "umh", "esa", "tesa" };
408 static const char *const enc_me_list_text[] =
409 { N_("dia"), N_("hex"), N_("umh"), N_("esa"), N_("tesa") };
412 static const char *const profile_list[] =
413 { "baseline", "main", "high" };
415 static const char *const enc_analyse_list[] =
416 { "none", "fast", "normal", "slow", "all" };
417 static const char *const enc_analyse_list_text[] =
418 { N_("none"), N_("fast"), N_("normal"), N_("slow"), N_("all") };
420 #if X264_BUILD >= 45 /* r457 */
421 static const char *const direct_pred_list[] =
422 { "none", "spatial", "temporal", "auto" };
423 static const char *const direct_pred_list_text[] =
424 { N_("none"), N_("spatial"), N_("temporal"), N_("auto") };
426 static const char *const direct_pred_list[] =
427 { "none", "spatial", "temporal" };
428 static const char *const direct_pred_list_text[] =
429 { N_("none"), N_("spatial"), N_("temporal") };
433 set_description( N_("H.264/MPEG4 AVC encoder (x264)"))
434 set_capability( "encoder", 200 )
435 set_callbacks( Open, Close )
436 set_category( CAT_INPUT )
437 set_subcategory( SUBCAT_INPUT_VCODEC )
439 /* Frame-type options */
441 add_integer( SOUT_CFG_PREFIX "keyint", 250, NULL, KEYINT_TEXT,
442 KEYINT_LONGTEXT, false )
444 add_integer( SOUT_CFG_PREFIX "min-keyint", 25, NULL, MIN_KEYINT_TEXT,
445 MIN_KEYINT_LONGTEXT, false )
446 add_deprecated_alias( SOUT_CFG_PREFIX "keyint-min" ) /* Deprecated since 0.8.5 */
448 add_integer( SOUT_CFG_PREFIX "scenecut", 40, NULL, SCENE_TEXT,
449 SCENE_LONGTEXT, false )
450 change_integer_range( -1, 100 )
452 #if X264_BUILD >= 55 /* r607 */
453 # if X264_BUILD < 67 /* r1117 */
454 add_bool( SOUT_CFG_PREFIX "pre-scenecut", false, NULL, PRESCENE_TEXT,
455 PRESCENE_LONGTEXT, false )
457 add_obsolete_bool( SOUT_CFG_PREFIX "pre-scenecut" )
461 add_integer( SOUT_CFG_PREFIX "bframes", 3, NULL, BFRAMES_TEXT,
462 BFRAMES_LONGTEXT, false )
463 change_integer_range( 0, 16 )
466 add_integer( SOUT_CFG_PREFIX "b-adapt", 1, NULL, B_ADAPT_TEXT,
467 B_ADAPT_LONGTEXT, false )
468 change_integer_range( 0, 2 )
469 #elif X264_BUILD >= 0x0013 /* r137 */
470 add_bool( SOUT_CFG_PREFIX "b-adapt", true, NULL, B_ADAPT_TEXT,
471 B_ADAPT_LONGTEXT, false )
474 #if X264_BUILD >= 0x0013 /* r137 */
475 add_integer( SOUT_CFG_PREFIX "b-bias", 0, NULL, B_BIAS_TEXT,
476 B_BIAS_LONGTEXT, false )
477 change_integer_range( -100, 100 )
480 add_bool( SOUT_CFG_PREFIX "bpyramid", false, NULL, BPYRAMID_TEXT,
481 BPYRAMID_LONGTEXT, false )
483 add_bool( SOUT_CFG_PREFIX "cabac", true, NULL, CABAC_TEXT, CABAC_LONGTEXT,
486 add_integer( SOUT_CFG_PREFIX "ref", 3, NULL, REF_TEXT,
487 REF_LONGTEXT, false )
488 change_integer_range( 1, 16 )
489 add_deprecated_alias( SOUT_CFG_PREFIX "frameref" ) /* Deprecated since 0.8.5 */
491 add_bool( SOUT_CFG_PREFIX "nf", false, NULL, NF_TEXT,
493 add_deprecated_alias( SOUT_CFG_PREFIX "loopfilter" ) /* Deprecated since 0.8.5 */
495 add_string( SOUT_CFG_PREFIX "deblock", "0:0", NULL, FILTER_TEXT,
496 FILTER_LONGTEXT, false )
497 add_deprecated_alias( SOUT_CFG_PREFIX "filter" ) /* Deprecated since 0.8.6 */
500 add_string( SOUT_CFG_PREFIX "psy-rd", "1.0:0.0", NULL, PSY_RD_TEXT,
501 PSY_RD_LONGTEXT, false )
504 add_string( SOUT_CFG_PREFIX "level", "5.1", NULL, LEVEL_TEXT,
505 LEVEL_LONGTEXT, false )
507 add_string( SOUT_CFG_PREFIX "profile", "high", NULL, PROFILE_TEXT,
508 PROFILE_LONGTEXT, false )
509 change_string_list( profile_list, profile_list, 0 );
511 #if X264_BUILD >= 51 /* r570 */
512 add_bool( SOUT_CFG_PREFIX "interlaced", false, NULL, INTERLACED_TEXT, INTERLACED_LONGTEXT,
518 add_integer( SOUT_CFG_PREFIX "qp", -1, NULL, QP_TEXT, QP_LONGTEXT,
520 change_integer_range( -1, 51 ) /* QP 0 -> lossless encoding */
522 #if X264_BUILD >= 37 /* r334 */
523 add_integer( SOUT_CFG_PREFIX "crf", 23, NULL, CRF_TEXT,
524 CRF_LONGTEXT, false )
525 change_integer_range( 0, 51 )
528 add_integer( SOUT_CFG_PREFIX "qpmin", 10, NULL, QPMIN_TEXT,
529 QPMIN_LONGTEXT, false )
530 change_integer_range( 0, 51 )
531 add_deprecated_alias( SOUT_CFG_PREFIX "qp-min" ) /* Deprecated since 0.8.5 */
533 add_integer( SOUT_CFG_PREFIX "qpmax", 51, NULL, QPMAX_TEXT,
534 QPMAX_LONGTEXT, false )
535 change_integer_range( 0, 51 )
536 add_deprecated_alias( SOUT_CFG_PREFIX "qp-max" ) /* Deprecated since 0.8.5 */
538 add_integer( SOUT_CFG_PREFIX "qpstep", 4, NULL, QPSTEP_TEXT,
539 QPSTEP_LONGTEXT, false )
540 change_integer_range( 0, 51 )
542 add_float( SOUT_CFG_PREFIX "ratetol", 1.0, NULL, RATETOL_TEXT,
543 RATETOL_LONGTEXT, false )
544 change_float_range( 0, 100 )
545 add_deprecated_alias( SOUT_CFG_PREFIX "tolerance" ) /* Deprecated since 0.8.5 */
547 add_integer( SOUT_CFG_PREFIX "vbv-maxrate", 0, NULL, VBV_MAXRATE_TEXT,
548 VBV_MAXRATE_LONGTEXT, false )
550 add_integer( SOUT_CFG_PREFIX "vbv-bufsize", 0, NULL, VBV_BUFSIZE_TEXT,
551 VBV_BUFSIZE_LONGTEXT, false )
553 add_float( SOUT_CFG_PREFIX "vbv-init", 0.9, NULL, VBV_INIT_TEXT,
554 VBV_INIT_LONGTEXT, false )
555 change_float_range( 0, 1 )
557 add_float( SOUT_CFG_PREFIX "ipratio", 1.40, NULL, IPRATIO_TEXT,
558 IPRATIO_LONGTEXT, false )
559 change_float_range( 1, 2 )
561 add_float( SOUT_CFG_PREFIX "pbratio", 1.30, NULL, PBRATIO_TEXT,
562 PBRATIO_LONGTEXT, false )
563 change_float_range( 1, 2 )
565 #if X264_BUILD >= 23 /* r190 */
566 add_integer( SOUT_CFG_PREFIX "chroma-qp-offset", 0, NULL, CHROMA_QP_OFFSET_TEXT,
567 CHROMA_QP_OFFSET_LONGTEXT, false )
570 add_integer( SOUT_CFG_PREFIX "pass", 0, NULL, PASS_TEXT,
571 PASS_LONGTEXT, false )
572 change_integer_range( 0, 3 )
574 add_float( SOUT_CFG_PREFIX "qcomp", 0.60, NULL, QCOMP_TEXT,
575 QCOMP_LONGTEXT, false )
576 change_float_range( 0, 1 )
578 add_float( SOUT_CFG_PREFIX "cplxblur", 20.0, NULL, CPLXBLUR_TEXT,
579 CPLXBLUR_LONGTEXT, false )
581 add_float( SOUT_CFG_PREFIX "qblur", 0.5, NULL, QBLUR_TEXT,
582 QBLUR_LONGTEXT, false )
584 add_integer( SOUT_CFG_PREFIX "aq-mode", X264_AQ_VARIANCE, NULL, AQ_MODE_TEXT,
585 AQ_MODE_LONGTEXT, false )
586 change_integer_range( 0, 2 )
587 add_float( SOUT_CFG_PREFIX "aq-strength", 1.0, NULL, AQ_STRENGTH_TEXT,
588 AQ_STRENGTH_LONGTEXT, false )
593 /* x264 partitions = none (default). set at least "normal" mode. */
594 add_string( SOUT_CFG_PREFIX "partitions", "normal", NULL, ANALYSE_TEXT,
595 ANALYSE_LONGTEXT, false )
596 change_string_list( enc_analyse_list, enc_analyse_list_text, 0 );
597 add_deprecated_alias( SOUT_CFG_PREFIX "analyse" ) /* Deprecated since 0.8.6 */
599 add_string( SOUT_CFG_PREFIX "direct", "spatial", NULL, DIRECT_PRED_TEXT,
600 DIRECT_PRED_LONGTEXT, false )
601 change_string_list( direct_pred_list, direct_pred_list_text, 0 );
603 #if X264_BUILD >= 52 /* r573 */
604 add_integer( SOUT_CFG_PREFIX "direct-8x8", 1, NULL, DIRECT_PRED_SIZE_TEXT,
605 DIRECT_PRED_SIZE_LONGTEXT, false )
606 change_integer_range( -1, 1 )
609 #if X264_BUILD >= 0x0012 /* r134 */
610 add_bool( SOUT_CFG_PREFIX "weightb", true, NULL, WEIGHTB_TEXT,
611 WEIGHTB_LONGTEXT, false )
614 #if X264_BUILD >= 24 /* r221 */
615 add_string( SOUT_CFG_PREFIX "me", "hex", NULL, ME_TEXT,
617 change_string_list( enc_me_list, enc_me_list_text, 0 );
619 add_integer( SOUT_CFG_PREFIX "merange", 16, NULL, MERANGE_TEXT,
620 MERANGE_LONGTEXT, false )
621 change_integer_range( 1, 64 )
624 add_integer( SOUT_CFG_PREFIX "mvrange", -1, NULL, MVRANGE_TEXT,
625 MVRANGE_LONGTEXT, false )
627 #if X264_BUILD >= 55 /* r607 */
628 add_integer( SOUT_CFG_PREFIX "mvrange-thread", -1, NULL, MVRANGE_THREAD_TEXT,
629 MVRANGE_THREAD_LONGTEXT, false )
632 add_integer( SOUT_CFG_PREFIX "subme", 5, NULL, SUBME_TEXT,
633 SUBME_LONGTEXT, false )
634 change_integer_range( 1, SUBME_MAX )
635 add_deprecated_alias( SOUT_CFG_PREFIX "subpel" ) /* Deprecated since 0.8.5 */
638 # if X264_BUILD < 65 /* r368 */
639 add_bool( SOUT_CFG_PREFIX "b-rdo", false, NULL, B_RDO_TEXT,
640 B_RDO_LONGTEXT, false )
642 add_obsolete_bool( SOUT_CFG_PREFIX "b-rdo" )
646 #if X264_BUILD >= 36 /* r318 */
647 add_bool( SOUT_CFG_PREFIX "mixed-refs", true, NULL, MIXED_REFS_TEXT,
648 MIXED_REFS_LONGTEXT, false )
651 #if X264_BUILD >= 23 /* r171 */
652 add_bool( SOUT_CFG_PREFIX "chroma-me", true, NULL, CHROMA_ME_TEXT,
653 CHROMA_ME_LONGTEXT, false )
657 # if X264_BUILD < 65 /* r390 */
658 add_bool( SOUT_CFG_PREFIX "bime", false, NULL, BIME_TEXT,
659 BIME_LONGTEXT, false )
661 add_obsolete_bool( SOUT_CFG_PREFIX "bime" )
665 #if X264_BUILD >= 30 /* r251 */
666 add_bool( SOUT_CFG_PREFIX "8x8dct", false, NULL, TRANSFORM_8X8DCT_TEXT,
667 TRANSFORM_8X8DCT_LONGTEXT, false )
670 #if X264_BUILD >= 39 /* r360 */
671 add_integer( SOUT_CFG_PREFIX "trellis", 1, NULL, TRELLIS_TEXT,
672 TRELLIS_LONGTEXT, false )
673 change_integer_range( 0, 2 )
676 #if X264_BUILD >= 42 /* r384 */
677 add_bool( SOUT_CFG_PREFIX "fast-pskip", true, NULL, FAST_PSKIP_TEXT,
678 FAST_PSKIP_LONGTEXT, false )
681 #if X264_BUILD >= 46 /* r503 */
682 add_bool( SOUT_CFG_PREFIX "dct-decimate", true, NULL, DCT_DECIMATE_TEXT,
683 DCT_DECIMATE_LONGTEXT, false )
686 #if X264_BUILD >= 44 /* r398 */
687 add_integer( SOUT_CFG_PREFIX "nr", 0, NULL, NR_TEXT,
689 change_integer_range( 0, 1000 )
692 #if X264_BUILD >= 52 /* r573 */
693 add_integer( SOUT_CFG_PREFIX "deadzone-inter", 21, NULL, DEADZONE_INTER_TEXT,
694 DEADZONE_INTRA_LONGTEXT, false )
695 change_integer_range( 0, 32 )
697 add_integer( SOUT_CFG_PREFIX "deadzone-intra", 11, NULL, DEADZONE_INTRA_TEXT,
698 DEADZONE_INTRA_LONGTEXT, false )
699 change_integer_range( 0, 32 )
704 #if X264_BUILD >= 55 /* r607 */
705 add_bool( SOUT_CFG_PREFIX "non-deterministic", false, NULL, NON_DETERMINISTIC_TEXT,
706 NON_DETERMINISTIC_LONGTEXT, false )
709 add_bool( SOUT_CFG_PREFIX "asm", true, NULL, ASM_TEXT,
710 ASM_LONGTEXT, false )
712 /* x264 psnr = 1 (default). disable PSNR computation for speed. */
713 add_bool( SOUT_CFG_PREFIX "psnr", false, NULL, PSNR_TEXT,
714 PSNR_LONGTEXT, false )
716 #if X264_BUILD >= 50 /* r554 */
717 /* x264 ssim = 1 (default). disable SSIM computation for speed. */
718 add_bool( SOUT_CFG_PREFIX "ssim", false, NULL, SSIM_TEXT,
719 SSIM_LONGTEXT, false )
722 add_bool( SOUT_CFG_PREFIX "quiet", false, NULL, QUIET_TEXT,
723 QUIET_LONGTEXT, false )
725 #if X264_BUILD >= 47 /* r518 */
726 add_integer( SOUT_CFG_PREFIX "sps-id", 0, NULL, SPS_ID_TEXT,
727 SPS_ID_LONGTEXT, false )
730 add_bool( SOUT_CFG_PREFIX "aud", false, NULL, AUD_TEXT,
731 AUD_LONGTEXT, false )
733 #if X264_BUILD >= 0x000e /* r81 */
734 add_bool( SOUT_CFG_PREFIX "verbose", false, NULL, VERBOSE_TEXT,
735 VERBOSE_LONGTEXT, false )
738 add_string( SOUT_CFG_PREFIX "stats", "x264_2pass.log", NULL, STATS_TEXT,
739 STATS_LONGTEXT, false )
743 /*****************************************************************************
745 *****************************************************************************/
746 static const char *const ppsz_sout_options[] = {
747 "8x8dct", "analyse", "asm", "aud", "bframes", "bime", "bpyramid",
748 "b-adapt", "b-bias", "b-rdo", "cabac", "chroma-me", "chroma-qp-offset",
749 "cplxblur", "crf", "dct-decimate", "deadzone-inter", "deadzone-intra",
750 "deblock", "direct", "direct-8x8", "filter", "fast-pskip", "frameref",
751 "interlaced", "ipratio", "keyint", "keyint-min", "level", "loopfilter",
752 "me", "merange", "min-keyint", "mixed-refs", "mvrange", "mvrange-thread",
753 "nf", "non-deterministic", "nr", "partitions", "pass", "pbratio",
754 "pre-scenecut", "psnr", "qblur", "qp", "qcomp", "qpstep", "qpmax",
755 "qpmin", "qp-max", "qp-min", "quiet", "ratetol", "ref", "scenecut",
756 "sps-id", "ssim", "stats", "subme", "subpel", "tolerance", "trellis",
757 "verbose", "vbv-bufsize", "vbv-init", "vbv-maxrate", "weightb", "aq-mode",
758 "aq-strength", "psy-rd", "profile", NULL
761 static block_t *Encode( encoder_t *, picture_t * );
771 mtime_t i_interpolated_dts;
776 /*****************************************************************************
777 * Open: probe the encoder
778 *****************************************************************************/
779 static int Open ( vlc_object_t *p_this )
781 encoder_t *p_enc = (encoder_t *)p_this;
782 encoder_sys_t *p_sys;
784 int i_qmin = 0, i_qmax = 0;
788 if( p_enc->fmt_out.i_codec != VLC_CODEC_H264 &&
794 /* X264_POINTVER or X264_VERSION are not available */
795 msg_Dbg ( p_enc, "version x264 0.%d.X", X264_BUILD );
798 if( p_enc->fmt_in.video.i_width % 16 != 0 ||
799 p_enc->fmt_in.video.i_height % 16 != 0 )
801 msg_Warn( p_enc, "size is not a multiple of 16 (%ix%i)",
802 p_enc->fmt_in.video.i_width, p_enc->fmt_in.video.i_height );
804 if( p_enc->fmt_in.video.i_width < 16 ||
805 p_enc->fmt_in.video.i_height < 16 )
807 msg_Err( p_enc, "video is too small to be cropped" );
811 msg_Warn( p_enc, "cropping video to %ix%i",
812 p_enc->fmt_in.video.i_width >> 4 << 4,
813 p_enc->fmt_in.video.i_height >> 4 << 4 );
817 config_ChainParse( p_enc, SOUT_CFG_PREFIX, ppsz_sout_options, p_enc->p_cfg );
819 p_enc->fmt_out.i_cat = VIDEO_ES;
820 p_enc->fmt_out.i_codec = VLC_CODEC_H264;
821 p_enc->fmt_in.i_codec = VLC_CODEC_I420;
823 p_enc->pf_encode_video = Encode;
824 p_enc->pf_encode_audio = NULL;
825 p_enc->p_sys = p_sys = malloc( sizeof( encoder_sys_t ) );
828 p_sys->i_interpolated_dts = 0;
829 p_sys->psz_stat_name = NULL;
830 p_sys->p_buffer = NULL;
832 x264_param_default( &p_sys->param );
833 p_sys->param.i_width = p_enc->fmt_in.video.i_width;
834 p_sys->param.i_height = p_enc->fmt_in.video.i_height;
836 p_sys->param.i_width = p_sys->param.i_width >> 4 << 4;
837 p_sys->param.i_height = p_sys->param.i_height >> 4 << 4;
841 var_Get( p_enc, SOUT_CFG_PREFIX "qcomp", &val );
842 p_sys->param.rc.f_qcompress = val.f_float;
844 /* transcode-default bitrate is 0,
845 * set more to ABR if user specifies bitrate */
846 if( p_enc->fmt_out.i_bitrate > 0 )
848 p_sys->param.rc.i_bitrate = p_enc->fmt_out.i_bitrate / 1000;
850 /* cbr = 1 overrides qp or crf and sets an average bitrate
851 but maxrate = average bitrate is needed for "real" CBR */
852 p_sys->param.rc.b_cbr=1;
854 p_sys->param.rc.i_rc_method = X264_RC_ABR;
856 else /* Set default to CRF */
859 var_Get( p_enc, SOUT_CFG_PREFIX "crf", &val );
860 if( val.i_int > 0 && val.i_int <= 51 )
862 # if X264_BUILD >= 54
863 p_sys->param.rc.f_rf_constant = val.i_int;
865 p_sys->param.rc.i_rf_constant = val.i_int;
867 # if X264_BUILD >= 48
868 p_sys->param.rc.i_rc_method = X264_RC_CRF;
874 var_Get( p_enc, SOUT_CFG_PREFIX "qpstep", &val );
875 if( val.i_int >= 0 && val.i_int <= 51 ) p_sys->param.rc.i_qp_step = val.i_int;
876 var_Get( p_enc, SOUT_CFG_PREFIX "qpmin", &val );
877 if( val.i_int >= 0 && val.i_int <= 51 )
880 p_sys->param.rc.i_qp_min = i_qmin;
882 var_Get( p_enc, SOUT_CFG_PREFIX "qpmax", &val );
883 if( val.i_int >= 0 && val.i_int <= 51 )
886 p_sys->param.rc.i_qp_max = i_qmax;
889 var_Get( p_enc, SOUT_CFG_PREFIX "qp", &val );
890 if( val.i_int >= 0 && val.i_int <= 51 )
892 if( i_qmin > val.i_int ) i_qmin = val.i_int;
893 if( i_qmax < val.i_int ) i_qmax = val.i_int;
895 /* User defined QP-value, so change ratecontrol method */
896 p_sys->param.rc.i_rc_method = X264_RC_CQP;
897 #if X264_BUILD >= 0x000a
898 p_sys->param.rc.i_qp_constant = val.i_int;
899 p_sys->param.rc.i_qp_min = i_qmin;
900 p_sys->param.rc.i_qp_max = i_qmax;
902 p_sys->param.i_qp_constant = val.i_int;
908 var_Get( p_enc, SOUT_CFG_PREFIX "ratetol", &val );
909 p_sys->param.rc.f_rate_tolerance = val.f_float;
911 var_Get( p_enc, SOUT_CFG_PREFIX "vbv-init", &val );
912 p_sys->param.rc.f_vbv_buffer_init = val.f_float;
914 var_Get( p_enc, SOUT_CFG_PREFIX "vbv-bufsize", &val );
915 p_sys->param.rc.i_vbv_buffer_size = val.i_int;
917 /* max bitrate = average bitrate -> CBR */
918 var_Get( p_enc, SOUT_CFG_PREFIX "vbv-maxrate", &val );
920 if( !val.i_int && p_sys->param.rc.i_rc_method == X264_RC_ABR )
921 p_sys->param.rc.i_vbv_max_bitrate = p_sys->param.rc.i_bitrate;
922 else if ( val.i_int )
924 p_sys->param.rc.i_vbv_max_bitrate = val.i_int;
927 p_sys->param.rc.i_rc_buffer_size = p_sys->param.rc.i_bitrate;
928 p_sys->param.rc.i_rc_init_buffer = p_sys->param.rc.i_bitrate / 4;
931 var_Get( p_enc, SOUT_CFG_PREFIX "cabac", &val );
932 p_sys->param.b_cabac = val.b_bool;
934 /* disable deblocking when nf (no loop filter) is enabled */
935 var_Get( p_enc, SOUT_CFG_PREFIX "nf", &val );
936 p_sys->param.b_deblocking_filter = !val.b_bool;
938 var_Get( p_enc, SOUT_CFG_PREFIX "deblock", &val );
941 char *p = strchr( val.psz_string, ':' );
942 p_sys->param.i_deblocking_filter_alphac0 = atoi( val.psz_string );
943 p_sys->param.i_deblocking_filter_beta = p ? atoi( p+1 ) : p_sys->param.i_deblocking_filter_alphac0;
944 free( val.psz_string );
948 var_Get( p_enc, SOUT_CFG_PREFIX "psy-rd", &val );
951 char *p = strchr( val.psz_string, ':' );
952 p_sys->param.analyse.f_psy_rd = us_atof( val.psz_string );
953 p_sys->param.analyse.f_psy_trellis = p ? us_atof( p+1 ) : 0;
954 free( val.psz_string );
959 var_Get( p_enc, SOUT_CFG_PREFIX "level", &val );
962 if( us_atof (val.psz_string) < 6 )
963 p_sys->param.i_level_idc = (int) (10 * us_atof (val.psz_string)
966 p_sys->param.i_level_idc = atoi (val.psz_string);
967 free( val.psz_string );
970 #if X264_BUILD >= 51 /* r570 */
971 var_Get( p_enc, SOUT_CFG_PREFIX "interlaced", &val );
972 p_sys->param.b_interlaced = val.b_bool;
975 var_Get( p_enc, SOUT_CFG_PREFIX "ipratio", &val );
976 p_sys->param.rc.f_ip_factor = val.f_float;
978 var_Get( p_enc, SOUT_CFG_PREFIX "pbratio", &val );
979 p_sys->param.rc.f_pb_factor = val.f_float;
982 var_Get( p_enc, SOUT_CFG_PREFIX "cplxblur", &val );
983 p_sys->param.rc.f_complexity_blur = val.f_float;
985 var_Get( p_enc, SOUT_CFG_PREFIX "qblur", &val );
986 p_sys->param.rc.f_qblur = val.f_float;
989 var_Get( p_enc, SOUT_CFG_PREFIX "aq-mode", &val );
990 p_sys->param.rc.i_aq_mode = val.i_int;
992 var_Get( p_enc, SOUT_CFG_PREFIX "aq-strength", &val );
993 p_sys->param.rc.f_aq_strength = val.f_float;
996 #if X264_BUILD >= 0x000e
997 var_Get( p_enc, SOUT_CFG_PREFIX "verbose", &val );
998 if( val.b_bool ) p_sys->param.i_log_level = X264_LOG_DEBUG;
1001 var_Get( p_enc, SOUT_CFG_PREFIX "quiet", &val );
1002 if( val.b_bool ) p_sys->param.i_log_level = X264_LOG_NONE;
1004 #if X264_BUILD >= 47 /* r518 */
1005 var_Get( p_enc, SOUT_CFG_PREFIX "sps-id", &val );
1006 if( val.i_int >= 0 ) p_sys->param.i_sps_id = val.i_int;
1009 var_Get( p_enc, SOUT_CFG_PREFIX "aud", &val );
1010 if( val.b_bool ) p_sys->param.b_aud = val.b_bool;
1012 var_Get( p_enc, SOUT_CFG_PREFIX "keyint", &val );
1013 #if X264_BUILD >= 0x000e
1014 if( val.i_int > 0 ) p_sys->param.i_keyint_max = val.i_int;
1016 if( val.i_int > 0 ) p_sys->param.i_iframe = val.i_int;
1019 var_Get( p_enc, SOUT_CFG_PREFIX "min-keyint", &val );
1020 #if X264_BUILD >= 0x000e
1021 if( val.i_int > 0 ) p_sys->param.i_keyint_min = val.i_int;
1023 if( val.i_int > 0 ) p_sys->param.i_idrframe = val.i_int;
1026 var_Get( p_enc, SOUT_CFG_PREFIX "bframes", &val );
1027 if( val.i_int >= 0 && val.i_int <= 16 )
1028 p_sys->param.i_bframe = val.i_int;
1030 #if X264_BUILD >= 22
1031 var_Get( p_enc, SOUT_CFG_PREFIX "bpyramid", &val );
1032 p_sys->param.b_bframe_pyramid = val.b_bool;
1035 var_Get( p_enc, SOUT_CFG_PREFIX "ref", &val );
1036 if( val.i_int > 0 && val.i_int <= 15 )
1037 p_sys->param.i_frame_reference = val.i_int;
1039 var_Get( p_enc, SOUT_CFG_PREFIX "scenecut", &val );
1040 #if X264_BUILD >= 0x000b
1041 if( val.i_int >= -1 && val.i_int <= 100 )
1042 p_sys->param.i_scenecut_threshold = val.i_int;
1045 #if X264_BUILD >= 55 /* r607 */ && X264_BUILD < 67 /* r1117 */
1046 var_Get( p_enc, SOUT_CFG_PREFIX "pre-scenecut", &val );
1047 p_sys->param.b_pre_scenecut = val.b_bool;
1050 #if X264_BUILD >= 55 /* r607 */
1051 var_Get( p_enc, SOUT_CFG_PREFIX "non-deterministic", &val );
1052 p_sys->param.b_deterministic = val.b_bool;
1055 var_Get( p_enc, SOUT_CFG_PREFIX "subme", &val );
1056 if( val.i_int >= 1 && val.i_int <= SUBME_MAX )
1057 p_sys->param.analyse.i_subpel_refine = val.i_int;
1059 #if X264_BUILD >= 24
1060 var_Get( p_enc, SOUT_CFG_PREFIX "me", &val );
1061 if( !strcmp( val.psz_string, "dia" ) )
1063 p_sys->param.analyse.i_me_method = X264_ME_DIA;
1065 else if( !strcmp( val.psz_string, "hex" ) )
1067 p_sys->param.analyse.i_me_method = X264_ME_HEX;
1069 else if( !strcmp( val.psz_string, "umh" ) )
1071 p_sys->param.analyse.i_me_method = X264_ME_UMH;
1073 else if( !strcmp( val.psz_string, "esa" ) )
1075 p_sys->param.analyse.i_me_method = X264_ME_ESA;
1077 # if X264_BUILD >= 58 /* r728 */
1078 else if( !strcmp( val.psz_string, "tesa" ) )
1080 p_sys->param.analyse.i_me_method = X264_ME_TESA;
1083 free( val.psz_string );
1085 var_Get( p_enc, SOUT_CFG_PREFIX "merange", &val );
1086 if( val.i_int >= 0 && val.i_int <= 64 )
1087 p_sys->param.analyse.i_me_range = val.i_int;
1089 var_Get( p_enc, SOUT_CFG_PREFIX "mvrange", &val );
1090 p_sys->param.analyse.i_mv_range = val.i_int;
1093 #if X264_BUILD >= 55 /* r607 */
1094 var_Get( p_enc, SOUT_CFG_PREFIX "mvrange-thread", &val );
1095 p_sys->param.analyse.i_mv_range_thread = val.i_int;
1098 var_Get( p_enc, SOUT_CFG_PREFIX "direct", &val );
1099 if( !strcmp( val.psz_string, "none" ) )
1101 p_sys->param.analyse.i_direct_mv_pred = X264_DIRECT_PRED_NONE;
1103 else if( !strcmp( val.psz_string, "spatial" ) )
1105 p_sys->param.analyse.i_direct_mv_pred = X264_DIRECT_PRED_SPATIAL;
1107 else if( !strcmp( val.psz_string, "temporal" ) )
1109 p_sys->param.analyse.i_direct_mv_pred = X264_DIRECT_PRED_TEMPORAL;
1111 #if X264_BUILD >= 45 /* r457 */
1112 else if( !strcmp( val.psz_string, "auto" ) )
1114 p_sys->param.analyse.i_direct_mv_pred = X264_DIRECT_PRED_AUTO;
1117 free( val.psz_string );
1119 var_Get( p_enc, SOUT_CFG_PREFIX "psnr", &val );
1120 p_sys->param.analyse.b_psnr = val.b_bool;
1122 #if X264_BUILD >= 50 /* r554 */
1123 var_Get( p_enc, SOUT_CFG_PREFIX "ssim", &val );
1124 p_sys->param.analyse.b_ssim = val.b_bool;
1127 #if X264_BUILD >= 0x0012
1128 var_Get( p_enc, SOUT_CFG_PREFIX "weightb", &val );
1129 p_sys->param.analyse.b_weighted_bipred = val.b_bool;
1132 #if X264_BUILD >= 0x0013
1133 var_Get( p_enc, SOUT_CFG_PREFIX "b-adapt", &val );
1134 #if X264_BUILD >= 63
1135 p_sys->param.i_bframe_adaptive = val.i_int;
1137 p_sys->param.b_bframe_adaptive = val.b_bool;
1140 var_Get( p_enc, SOUT_CFG_PREFIX "b-bias", &val );
1141 if( val.i_int >= -100 && val.i_int <= 100 )
1142 p_sys->param.i_bframe_bias = val.i_int;
1145 #if X264_BUILD >= 23
1146 var_Get( p_enc, SOUT_CFG_PREFIX "chroma-me", &val );
1147 p_sys->param.analyse.b_chroma_me = val.b_bool;
1148 var_Get( p_enc, SOUT_CFG_PREFIX "chroma-qp-offset", &val );
1149 p_sys->param.analyse.i_chroma_qp_offset = val.i_int;
1152 #if X264_BUILD >= 36
1153 var_Get( p_enc, SOUT_CFG_PREFIX "mixed-refs", &val );
1154 p_sys->param.analyse.b_mixed_references = val.b_bool;
1158 #if X264_BUILD >= 39
1159 var_Get( p_enc, SOUT_CFG_PREFIX "trellis", &val );
1160 if( val.i_int >= 0 && val.i_int <= 2 )
1161 p_sys->param.analyse.i_trellis = val.i_int;
1164 #if X264_BUILD >= 41 && X264_BUILD < 65
1165 var_Get( p_enc, SOUT_CFG_PREFIX "b-rdo", &val );
1166 p_sys->param.analyse.b_bframe_rdo = val.b_bool;
1169 #if X264_BUILD >= 42
1170 var_Get( p_enc, SOUT_CFG_PREFIX "fast-pskip", &val );
1171 p_sys->param.analyse.b_fast_pskip = val.b_bool;
1174 #if X264_BUILD >= 43 && X264_BUILD < 65
1175 var_Get( p_enc, SOUT_CFG_PREFIX "bime", &val );
1176 p_sys->param.analyse.b_bidir_me = val.b_bool;
1179 #if X264_BUILD >= 44
1180 var_Get( p_enc, SOUT_CFG_PREFIX "nr", &val );
1181 if( val.i_int >= 0 && val.i_int <= 1000 )
1182 p_sys->param.analyse.i_noise_reduction = val.i_int;
1185 #if X264_BUILD >= 46
1186 var_Get( p_enc, SOUT_CFG_PREFIX "dct-decimate", &val );
1187 p_sys->param.analyse.b_dct_decimate = val.b_bool;
1190 #if X264_BUILD >= 52
1191 var_Get( p_enc, SOUT_CFG_PREFIX "deadzone-inter", &val );
1192 if( val.i_int >= 0 && val.i_int <= 32 )
1193 p_sys->param.analyse.i_luma_deadzone[0] = val.i_int;
1195 var_Get( p_enc, SOUT_CFG_PREFIX "deadzone-intra", &val );
1196 if( val.i_int >= 0 && val.i_int <= 32 )
1197 p_sys->param.analyse.i_luma_deadzone[1] = val.i_int;
1199 #if X264_BUILD <= 65
1200 var_Get( p_enc, SOUT_CFG_PREFIX "direct-8x8", &val );
1201 if( val.i_int >= -1 && val.i_int <= 1 )
1202 p_sys->param.analyse.i_direct_8x8_inference = val.i_int;
1206 var_Get( p_enc, SOUT_CFG_PREFIX "asm", &val );
1207 if( !val.b_bool ) p_sys->param.cpu = 0;
1209 #ifndef X264_ANALYSE_BSUB16x16
1210 # define X264_ANALYSE_BSUB16x16 0
1212 var_Get( p_enc, SOUT_CFG_PREFIX "partitions", &val );
1213 if( !strcmp( val.psz_string, "none" ) )
1215 p_sys->param.analyse.inter = 0;
1217 else if( !strcmp( val.psz_string, "fast" ) )
1219 p_sys->param.analyse.inter = X264_ANALYSE_I4x4;
1221 else if( !strcmp( val.psz_string, "normal" ) )
1223 p_sys->param.analyse.inter =
1225 X264_ANALYSE_PSUB16x16;
1226 #ifdef X264_ANALYSE_I8x8
1227 p_sys->param.analyse.inter |= X264_ANALYSE_I8x8;
1230 else if( !strcmp( val.psz_string, "slow" ) )
1232 p_sys->param.analyse.inter =
1234 X264_ANALYSE_PSUB16x16 |
1235 X264_ANALYSE_BSUB16x16;
1236 #ifdef X264_ANALYSE_I8x8
1237 p_sys->param.analyse.inter |= X264_ANALYSE_I8x8;
1240 else if( !strcmp( val.psz_string, "all" ) )
1242 p_sys->param.analyse.inter = ~0;
1244 free( val.psz_string );
1246 #if X264_BUILD >= 30
1247 var_Get( p_enc, SOUT_CFG_PREFIX "8x8dct", &val );
1248 p_sys->param.analyse.b_transform_8x8 = val.b_bool;
1251 if( p_enc->fmt_in.video.i_aspect > 0 )
1253 int64_t i_num, i_den;
1254 unsigned int i_dst_num, i_dst_den;
1256 i_num = p_enc->fmt_in.video.i_aspect *
1257 (int64_t)p_enc->fmt_in.video.i_height;
1258 i_den = VOUT_ASPECT_FACTOR * p_enc->fmt_in.video.i_width;
1259 vlc_ureduce( &i_dst_num, &i_dst_den, i_num, i_den, 0 );
1261 p_sys->param.vui.i_sar_width = i_dst_num;
1262 p_sys->param.vui.i_sar_height = i_dst_den;
1265 if( p_enc->fmt_in.video.i_frame_rate_base > 0 )
1267 p_sys->param.i_fps_num = p_enc->fmt_in.video.i_frame_rate;
1268 p_sys->param.i_fps_den = p_enc->fmt_in.video.i_frame_rate_base;
1271 /* x264 vbv-bufsize = 0 (default). if not provided set period
1272 in seconds for local maximum bitrate (cache/bufsize) based
1273 on average bitrate when use has told bitrate.
1274 vbv-buffer size is set to bitrate * secods between keyframes */
1275 if( !p_sys->param.rc.i_vbv_buffer_size &&
1276 p_sys->param.rc.i_rc_method == X264_RC_ABR &&
1277 p_sys->param.i_fps_num )
1279 p_sys->param.rc.i_vbv_buffer_size = p_sys->param.rc.i_bitrate *
1280 p_sys->param.i_fps_den;
1281 #if X264_BUILD >= 0x000e
1282 p_sys->param.rc.i_vbv_buffer_size *= p_sys->param.i_keyint_max;
1284 p_sys->param.rc.i_vbv_buffer_size *= p_sys->param.i_idrframe;
1286 p_sys->param.rc.i_vbv_buffer_size /= p_sys->param.i_fps_num;
1289 /* Check if user has given some profile (baseline,main,high) to limit
1290 * settings, and apply those*/
1291 var_Get( p_enc, SOUT_CFG_PREFIX "profile", &val );
1292 if( val.psz_string )
1294 if( !strcasecmp( val.psz_string, "baseline" ) )
1296 msg_Dbg( p_enc, "Limiting to baseline profile");
1297 p_sys->param.analyse.b_transform_8x8 = 0;
1298 p_sys->param.b_cabac = 0;
1299 p_sys->param.i_bframe = 0;
1301 else if (!strcasecmp( val.psz_string, "main" ) )
1303 msg_Dbg( p_enc, "Limiting to main-profile");
1304 p_sys->param.analyse.b_transform_8x8 = 0;
1306 /* high profile don't restrict stuff*/
1308 free( val.psz_string );
1311 unsigned i_cpu = vlc_CPU();
1312 if( !(i_cpu & CPU_CAPABILITY_MMX) )
1314 p_sys->param.cpu &= ~X264_CPU_MMX;
1316 if( !(i_cpu & CPU_CAPABILITY_MMXEXT) )
1318 p_sys->param.cpu &= ~X264_CPU_MMXEXT;
1320 if( !(i_cpu & CPU_CAPABILITY_SSE) )
1322 p_sys->param.cpu &= ~X264_CPU_SSE;
1324 if( !(i_cpu & CPU_CAPABILITY_SSE2) )
1326 p_sys->param.cpu &= ~X264_CPU_SSE2;
1329 /* BUILD 29 adds support for multi-threaded encoding while BUILD 49 (r543)
1330 also adds support for threads = 0 for automatically selecting an optimal
1331 value (cores * 1.5) based on detected CPUs. Default behavior for x264 is
1332 threads = 1, however VLC usage differs and uses threads = 0 (auto) by
1333 default unless ofcourse transcode threads is explicitly specified.. */
1334 #if X264_BUILD >= 29
1335 p_sys->param.i_threads = p_enc->i_threads;
1338 var_Get( p_enc, SOUT_CFG_PREFIX "stats", &val );
1339 if( val.psz_string )
1341 p_sys->param.rc.psz_stat_in =
1342 p_sys->param.rc.psz_stat_out =
1343 p_sys->psz_stat_name = val.psz_string;
1346 var_Get( p_enc, SOUT_CFG_PREFIX "pass", &val );
1347 if( val.i_int > 0 && val.i_int <= 3 )
1349 p_sys->param.rc.b_stat_write = val.i_int & 1;
1350 p_sys->param.rc.b_stat_read = val.i_int & 2;
1353 /* We need to initialize pthreadw32 before we open the encoder,
1354 but only once for the whole application. Since pthreadw32
1355 doesn't keep a refcount, do it ourselves. */
1356 #ifdef PTW32_STATIC_LIB
1357 vlc_value_t lock, count;
1359 var_Create( p_enc->p_libvlc, "pthread_win32_mutex", VLC_VAR_MUTEX );
1360 var_Get( p_enc->p_libvlc, "pthread_win32_mutex", &lock );
1361 vlc_mutex_lock( lock.p_address );
1363 var_Create( p_enc->p_libvlc, "pthread_win32_count", VLC_VAR_INTEGER );
1364 var_Get( p_enc->p_libvlc, "pthread_win32_count", &count );
1366 if( count.i_int == 0 )
1368 msg_Dbg( p_enc, "initializing pthread-win32" );
1369 if( !pthread_win32_process_attach_np() || !pthread_win32_thread_attach_np() )
1371 msg_Warn( p_enc, "pthread Win32 Initialization failed" );
1372 vlc_mutex_unlock( lock.p_address );
1373 return VLC_EGENERIC;
1378 var_Set( p_enc->p_libvlc, "pthread_win32_count", count );
1379 vlc_mutex_unlock( lock.p_address );
1383 #if X264_BUILD >= 69
1384 /* Set lookahead value to lower than default,
1385 * as rtp-output without mux doesn't handle
1386 * difference that well yet*/
1387 p_sys->param.rc.i_lookahead=5;
1390 /* Open the encoder */
1391 p_sys->h = x264_encoder_open( &p_sys->param );
1393 if( p_sys->h == NULL )
1395 msg_Err( p_enc, "cannot open x264 encoder" );
1396 Close( VLC_OBJECT(p_enc) );
1397 return VLC_EGENERIC;
1401 p_sys->i_buffer = 4 * p_enc->fmt_in.video.i_width *
1402 p_enc->fmt_in.video.i_height + 1000;
1403 p_sys->p_buffer = malloc( p_sys->i_buffer );
1404 if( !p_sys->p_buffer )
1406 Close( VLC_OBJECT(p_enc) );
1410 /* get the globals headers */
1411 p_enc->fmt_out.i_extra = 0;
1412 p_enc->fmt_out.p_extra = NULL;
1414 x264_encoder_headers( p_sys->h, &nal, &i_nal );
1415 for( i = 0; i < i_nal; i++ )
1418 int i_size = p_sys->i_buffer;
1420 x264_nal_encode( p_sys->p_buffer, &i_size, 1, &nal[i] );
1422 p_tmp = realloc( p_enc->fmt_out.p_extra, p_enc->fmt_out.i_extra + i_size );
1425 Close( VLC_OBJECT(p_enc) );
1428 p_enc->fmt_out.p_extra = p_tmp;
1430 memcpy( (uint8_t*)p_enc->fmt_out.p_extra + p_enc->fmt_out.i_extra,
1431 p_sys->p_buffer, i_size );
1433 p_enc->fmt_out.i_extra += i_size;
1439 /****************************************************************************
1441 ****************************************************************************/
1442 static block_t *Encode( encoder_t *p_enc, picture_t *p_pict )
1444 encoder_sys_t *p_sys = p_enc->p_sys;
1448 int i_nal, i_out, i;
1451 memset( &pic, 0, sizeof( x264_picture_t ) );
1452 pic.i_pts = p_pict->date;
1453 pic.img.i_csp = X264_CSP_I420;
1454 pic.img.i_plane = p_pict->i_planes;
1455 for( i = 0; i < p_pict->i_planes; i++ )
1457 pic.img.plane[i] = p_pict->p[i].p_pixels;
1458 pic.img.i_stride[i] = p_pict->p[i].i_pitch;
1461 #if X264_BUILD >= 0x0013
1462 x264_encoder_encode( p_sys->h, &nal, &i_nal, &pic, &pic );
1464 x264_encoder_encode( p_sys->h, &nal, &i_nal, &pic );
1467 if( !i_nal ) return NULL;
1469 for( i = 0, i_out = 0; i < i_nal; i++ )
1471 int i_size = p_sys->i_buffer - i_out;
1472 x264_nal_encode( p_sys->p_buffer + i_out, &i_size, 1, &nal[i] );
1477 p_block = block_New( p_enc, i_out );
1478 if( !p_block ) return NULL;
1479 memcpy( p_block->p_buffer, p_sys->p_buffer, i_out );
1481 if( pic.i_type == X264_TYPE_IDR || pic.i_type == X264_TYPE_I )
1482 p_block->i_flags |= BLOCK_FLAG_TYPE_I;
1483 else if( pic.i_type == X264_TYPE_P )
1484 p_block->i_flags |= BLOCK_FLAG_TYPE_P;
1485 else if( pic.i_type == X264_TYPE_B )
1486 p_block->i_flags |= BLOCK_FLAG_TYPE_B;
1488 /* This isn't really valid for streams with B-frames */
1489 p_block->i_length = INT64_C(1000000) *
1490 p_enc->fmt_in.video.i_frame_rate_base /
1491 p_enc->fmt_in.video.i_frame_rate;
1493 p_block->i_pts = pic.i_pts;
1495 if( p_sys->param.i_bframe > 0 )
1497 if( p_block->i_flags & BLOCK_FLAG_TYPE_B )
1499 /* FIXME : this is wrong if bpyramid is set */
1500 p_block->i_dts = p_block->i_pts;
1501 p_sys->i_interpolated_dts = p_block->i_dts;
1505 if( p_sys->i_interpolated_dts )
1507 p_block->i_dts = p_sys->i_interpolated_dts;
1511 /* Let's put something sensible */
1512 p_block->i_dts = p_block->i_pts;
1515 p_sys->i_interpolated_dts += p_block->i_length;
1520 p_block->i_dts = p_block->i_pts;
1526 /*****************************************************************************
1527 * CloseEncoder: x264 encoder destruction
1528 *****************************************************************************/
1529 static void Close( vlc_object_t *p_this )
1531 encoder_t *p_enc = (encoder_t *)p_this;
1532 encoder_sys_t *p_sys = p_enc->p_sys;
1534 free( p_sys->psz_stat_name );
1537 x264_encoder_close( p_sys->h );
1539 #ifdef PTW32_STATIC_LIB
1540 vlc_value_t lock, count;
1542 var_Get( p_enc->p_libvlc, "pthread_win32_mutex", &lock );
1543 vlc_mutex_lock( lock.p_address );
1545 var_Get( p_enc->p_libvlc, "pthread_win32_count", &count );
1547 var_Set( p_enc->p_libvlc, "pthread_win32_count", count );
1549 if( count.i_int == 0 )
1551 pthread_win32_thread_detach_np();
1552 pthread_win32_process_detach_np();
1553 msg_Dbg( p_enc, "pthread-win32 deinitialized" );
1555 vlc_mutex_unlock( lock.p_address );
1558 free( p_sys->p_buffer );