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 * );
54 static void x264_log( void *, int i_level, const char *psz, va_list );
56 /* Frame-type options */
58 #define KEYINT_TEXT N_("Maximum GOP size")
59 #define KEYINT_LONGTEXT N_( "Sets maximum interval between IDR-frames." \
60 "Larger values save bits, thus improving quality for a given bitrate at " \
61 "the cost of seeking precision. Use -1 for infinite." )
63 #define MIN_KEYINT_TEXT N_("Minimum GOP size")
64 #define MIN_KEYINT_LONGTEXT N_( "Sets minimum interval between IDR-frames. " \
65 "In H.264, I-frames do not necessarily bound a closed GOP because it is " \
66 "allowable for a P-frame to be predicted from more frames than just the " \
67 "one frame before it (also see reference frame option). Therefore, " \
68 "I-frames are not necessarily seekable. IDR-frames restrict subsequent " \
69 "P-frames from referring to any frame prior to the IDR-frame. \n" \
70 "If scenecuts appear within this interval, they are still encoded as " \
71 "I-frames, but do not start a new GOP." )
73 #define OPENGOP_TEXT N_("Use recovery points to close GOPs")
75 #define OPENGOP_LONGTEXT N_("none: use closed GOPs only\n"\
76 "normal: use standard open GOPs\n" \
77 "bluray: use Blu-ray compatible open GOPs" )
79 #define OPENGOP_LONGTEXT N_("use open GOP, for bluray compatibility use also bluray-compat option")
82 #define BLURAY_TEXT N_("Enable compatibility hacks for Blu-ray support")
83 #define BLURAY_LONGTEXT N_("Enable hacks for Blu-ray support, this doesn't enforce every aspect of Blu-ray compatibility\n" \
84 "e.g. resolution, framerate, level" )
86 #define SCENE_TEXT N_("Extra I-frames aggressivity" )
87 #define SCENE_LONGTEXT N_( "Scene-cut detection. Controls how " \
88 "aggressively to insert extra I-frames. With small values of " \
89 "scenecut, the codec often has " \
90 "to force an I-frame when it would exceed keyint. " \
91 "Good values of scenecut may find a better location for the " \
92 "I-frame. Large values use more I-frames " \
93 "than necessary, thus wasting bits. -1 disables scene-cut detection, so " \
94 "I-frames are inserted only every other keyint frames, which probably " \
95 "leads to ugly encoding artifacts. Range 1 to 100." )
98 #define BFRAMES_TEXT N_("B-frames between I and P")
99 #define BFRAMES_LONGTEXT N_( "Number of consecutive B-frames between I and " \
100 "P-frames. Range 1 to 16." )
102 #define B_ADAPT_TEXT N_("Adaptive B-frame decision")
103 #define B_ADAPT_LONGTEXT N_( "Force the specified number of " \
104 "consecutive B-frames to be used, except possibly before an I-frame." \
107 #define B_BIAS_TEXT N_("Influence (bias) B-frames usage")
108 #define B_BIAS_LONGTEXT N_( "Bias the choice to use B-frames. Positive values " \
109 "cause more B-frames, negative values cause less B-frames." )
112 #define BPYRAMID_TEXT N_("Keep some B-frames as references")
113 #define BPYRAMID_LONGTEXT N_( "Allows B-frames to be used as references for " \
114 "predicting other frames. Keeps the middle of 2+ consecutive B-frames " \
115 "as a reference, and reorders frame appropriately.\n" \
116 " - none: Disabled\n" \
117 " - strict: Strictly hierarchical pyramid\n" \
118 " - normal: Non-strict (not Blu-ray compatible)\n"\
121 #define CABAC_TEXT N_("CABAC")
122 #define CABAC_LONGTEXT N_( "CABAC (Context-Adaptive Binary Arithmetic "\
123 "Coding). Slightly slows down encoding and decoding, but should save " \
124 "10 to 15% bitrate." )
126 #define REF_TEXT N_("Number of reference frames")
127 #define REF_LONGTEXT N_( "Number of previous frames used as predictors. " \
128 "This is effective in Anime, but seems to make little difference in " \
129 "live-action source material. Some decoders are unable to deal with " \
130 "large frameref values. Range 1 to 16." )
132 #define NF_TEXT N_("Skip loop filter")
133 #define NF_LONGTEXT N_( "Deactivate the deblocking loop filter (decreases quality).")
135 #define FILTER_TEXT N_("Loop filter AlphaC0 and Beta parameters alpha:beta")
136 #define FILTER_LONGTEXT N_( "Loop filter AlphaC0 and Beta parameters. " \
137 "Range -6 to 6 for both alpha and beta parameters. -6 means light " \
138 "filter, 6 means strong.")
140 #define LEVEL_TEXT N_("H.264 level")
141 #define LEVEL_LONGTEXT N_( "Specify H.264 level (as defined by Annex A " \
142 "of the standard). Levels are not enforced; it's up to the user to select " \
143 "a level compatible with the rest of the encoding options. Range 1 to 5.1 " \
144 "(10 to 51 is also allowed). Set to 0 for letting x264 set level.")
146 #define PROFILE_TEXT N_("H.264 profile")
147 #define PROFILE_LONGTEXT N_("Specify H.264 profile which limits are enforced over " \
150 /* In order to play an interlaced output stream encoded by x264, a decoder needs
151 mbaff support. r570 is using the 'mb' part and not 'aff' yet; so it's really
152 'pure-interlaced' mode */
153 #define INTERLACED_TEXT N_("Interlaced mode")
154 #define INTERLACED_LONGTEXT N_( "Pure-interlaced mode.")
156 #define FRAMEPACKING_TEXT N_("Frame packing")
157 #define FRAMEPACKING_LONGTEXT N_( "For stereoscopic videos define frame arrangement:\n" \
158 " 0: checkerboard - pixels are alternatively from L and R\n" \
159 " 1: column alternation - L and R are interlaced by column\n" \
160 " 2: row alternation - L and R are interlaced by row\n" \
161 " 3: side by side - L is on the left, R on the right\n" \
162 " 4: top bottom - L is on top, R on bottom\n" \
163 " 5: frame alternation - one view per frame" )
165 #define INTRAREFRESH_TEXT N_("Use Periodic Intra Refresh")
166 #define INTRAREFRESH_LONGTEXT N_("Use Periodic Intra Refresh instead of IDR frames")
168 #define MBTREE_TEXT N_("Use mb-tree ratecontrol")
169 #define MBTREE_LONGTEXT N_("You can disable use of Macroblock-tree on ratecontrol")
171 #define SLICE_COUNT N_("Force number of slices per frame")
172 #define SLICE_COUNT_LONGTEXT N_("Force rectangular slices and is overridden by other slicing options")
174 #define SLICE_MAX_SIZE N_("Limit the size of each slice in bytes")
175 #define SLICE_MAX_SIZE_LONGTEXT N_("Sets a maximum slice size in bytes, Includes NAL overhead in size")
177 #define SLICE_MAX_MBS N_("Limit the size of each slice in macroblocks")
178 #define SLICE_MAX_MBS_LONGTEXT N_("Sets a maximum number of macroblocks per slice")
181 #define QP_TEXT N_("Set QP")
182 #define QP_LONGTEXT N_( "This selects the quantizer to use. " \
183 "Lower values result in better fidelity, but higher bitrates. 26 is a " \
184 "good default value. Range 0 (lossless) to 51." )
186 #define CRF_TEXT N_("Quality-based VBR")
187 #define CRF_LONGTEXT N_( "1-pass Quality-based VBR. Range 0 to 51." )
189 #define QPMIN_TEXT N_("Min QP")
190 #define QPMIN_LONGTEXT N_( "Minimum quantizer parameter. 15 to 35 seems to " \
191 "be a useful range." )
193 #define QPMAX_TEXT N_("Max QP")
194 #define QPMAX_LONGTEXT N_( "Maximum quantizer parameter." )
196 #define QPSTEP_TEXT N_("Max QP step")
197 #define QPSTEP_LONGTEXT N_( "Max QP step between frames.")
199 #define RATETOL_TEXT N_("Average bitrate tolerance")
200 #define RATETOL_LONGTEXT N_( "Allowed variance in average " \
201 "bitrate (in kbits/s).")
203 #define VBV_MAXRATE_TEXT N_("Max local bitrate")
204 #define VBV_MAXRATE_LONGTEXT N_( "Sets a maximum local bitrate (in kbits/s).")
206 #define VBV_BUFSIZE_TEXT N_("VBV buffer")
207 #define VBV_BUFSIZE_LONGTEXT N_( "Averaging period for the maximum " \
208 "local bitrate (in kbits).")
210 #define VBV_INIT_TEXT N_("Initial VBV buffer occupancy")
211 #define VBV_INIT_LONGTEXT N_( "Sets the initial buffer occupancy as a " \
212 "fraction of the buffer size. Range 0.0 to 1.0.")
214 #define AQ_MODE_TEXT N_("How AQ distributes bits")
215 #define AQ_MODE_LONGTEXT N_("Defines bitdistribution mode for AQ, default 1\n" \
217 " - 1: Current x264 default mode\n"\
218 " - 2: uses log(var)^2 instead of log(var) and attempts to adapt strength per frame")
220 #define AQ_STRENGTH_TEXT N_("Strength of AQ")
221 #define AQ_STRENGTH_LONGTEXT N_("Strength to reduce blocking and blurring in flat\n"\
222 "and textured areas, default 1.0 recommended to be between 0..2\n"\
226 /* IP Ratio < 1 is technically valid but should never improve quality */
227 #define IPRATIO_TEXT N_("QP factor between I and P")
228 #define IPRATIO_LONGTEXT N_( "QP factor between I and P. Range 1.0 to 2.0.")
230 /* PB ratio < 1 is not valid and breaks ratecontrol */
231 #define PBRATIO_TEXT N_("QP factor between P and B")
232 #define PBRATIO_LONGTEXT N_( "QP factor between P and B. Range 1.0 to 2.0.")
234 #define CHROMA_QP_OFFSET_TEXT N_("QP difference between chroma and luma")
235 #define CHROMA_QP_OFFSET_LONGTEXT N_( "QP difference between chroma and luma.")
237 #define PASS_TEXT N_("Multipass ratecontrol")
238 #define PASS_LONGTEXT N_( "Multipass ratecontrol:\n" \
239 " - 1: First pass, creates stats file\n" \
240 " - 2: Last pass, does not overwrite stats file\n" \
241 " - 3: Nth pass, overwrites stats file\n" )
243 #define QCOMP_TEXT N_("QP curve compression")
244 #define QCOMP_LONGTEXT N_( "QP curve compression. Range 0.0 (CBR) to 1.0 (QCP).")
246 #define CPLXBLUR_TEXT N_("Reduce fluctuations in QP")
247 #define CPLXBLUR_LONGTEXT N_( "This reduces the fluctuations in QP " \
248 "before curve compression. Temporally blurs complexity.")
250 #define QBLUR_TEXT N_("Reduce fluctuations in QP")
251 #define QBLUR_LONGTEXT N_( "This reduces the fluctuations in QP " \
252 "after curve compression. Temporally blurs quants.")
256 #define ANALYSE_TEXT N_("Partitions to consider")
257 #define ANALYSE_LONGTEXT N_( "Partitions to consider in analyse mode: \n" \
260 " - normal: i4x4,p8x8,(i8x8)\n" \
261 " - slow : i4x4,p8x8,(i8x8),b8x8\n" \
262 " - all : i4x4,p8x8,(i8x8),b8x8,p4x4\n" \
263 "(p4x4 requires p8x8. i8x8 requires 8x8dct).")
265 #define DIRECT_PRED_TEXT N_("Direct MV prediction mode")
266 #define DIRECT_PRED_LONGTEXT N_( "Direct MV prediction mode.")
268 #define DIRECT_PRED_SIZE_TEXT N_("Direct prediction size")
269 #define DIRECT_PRED_SIZE_LONGTEXT N_( "Direct prediction size: "\
272 " - -1: smallest possible according to level\n" )
274 #define WEIGHTB_TEXT N_("Weighted prediction for B-frames")
275 #define WEIGHTB_LONGTEXT N_( "Weighted prediction for B-frames.")
277 #define WEIGHTP_TEXT N_("Weighted prediction for P-frames")
278 #define WEIGHTP_LONGTEXT N_(" Weighted prediction for P-frames: "\
280 " - 1: Blind offset\n"\
281 " - 2: Smart analysis\n" )
283 #define ME_TEXT N_("Integer pixel motion estimation method")
284 #define ME_LONGTEXT N_( "Selects the motion estimation algorithm: "\
285 " - dia: diamond search, radius 1 (fast)\n" \
286 " - hex: hexagonal search, radius 2\n" \
287 " - umh: uneven multi-hexagon search (better but slower)\n" \
288 " - esa: exhaustive search (extremely slow, primarily for testing)\n" \
289 " - tesa: hadamard exhaustive search (extremely slow, primarily for testing)\n" )
291 #define MERANGE_TEXT N_("Maximum motion vector search range")
292 #define MERANGE_LONGTEXT N_( "Maximum distance to search for " \
293 "motion estimation, measured from predicted position(s). " \
294 "Default of 16 is good for most footage, high motion sequences may " \
295 "benefit from settings between 24 and 32. Range 0 to 64." )
297 #define MVRANGE_TEXT N_("Maximum motion vector length")
298 #define MVRANGE_LONGTEXT N_( "Maximum motion vector length in pixels. " \
299 "-1 is automatic, based on level." )
301 #define MVRANGE_THREAD_TEXT N_("Minimum buffer space between threads")
302 #define MVRANGE_THREAD_LONGTEXT N_( "Minimum buffer space between threads. " \
303 "-1 is automatic, based on number of threads." )
305 #define PSY_RD_TEXT N_( "Strength of psychovisual optimization, default is \"1.0:0.0\"")
306 #define PSY_RD_LONGTEXT N_( "First parameter controls if RD is on (subme>=6) or off.\n"\
307 "Second parameter controls if Trellis is used on psychovisual optimization, " \
310 #define SUBME_TEXT N_("Subpixel motion estimation and partition decision " \
312 #define SUBME_LONGTEXT N_( "This parameter controls quality versus speed " \
313 "tradeoffs involved in the motion estimation decision process " \
314 "(lower = quicker and higher = better quality). Range 1 to 9." )
316 #define B_RDO_TEXT N_("RD based mode decision for B-frames")
317 #define B_RDO_LONGTEXT N_( "RD based mode decision for B-frames. This " \
318 "requires subme 6 (or higher).")
320 #define MIXED_REFS_TEXT N_("Decide references on a per partition basis")
321 #define MIXED_REFS_LONGTEXT N_( "Allows each 8x8 or 16x8 partition to " \
322 "independently select a reference frame, as opposed to only one ref " \
325 #define CHROMA_ME_TEXT N_("Chroma in motion estimation")
326 #define CHROMA_ME_LONGTEXT N_( "Chroma ME for subpel and mode decision in " \
329 #define BIME_TEXT N_("Jointly optimize both MVs in B-frames")
330 #define BIME_LONGTEXT N_( "Joint bidirectional motion refinement.")
332 #define TRANSFORM_8X8DCT_TEXT N_("Adaptive spatial transform size")
333 #define TRANSFORM_8X8DCT_LONGTEXT N_( \
334 "SATD-based decision for 8x8 transform in inter-MBs.")
336 #define TRELLIS_TEXT N_("Trellis RD quantization" )
337 #define TRELLIS_LONGTEXT N_( "Trellis RD quantization: \n" \
339 " - 1: enabled only on the final encode of a MB\n" \
340 " - 2: enabled on all mode decisions\n" \
341 "This requires CABAC." )
343 #define FAST_PSKIP_TEXT N_("Early SKIP detection on P-frames")
344 #define FAST_PSKIP_LONGTEXT N_( "Early SKIP detection on P-frames.")
346 #define DCT_DECIMATE_TEXT N_("Coefficient thresholding on P-frames")
347 #define DCT_DECIMATE_LONGTEXT N_( "Coefficient thresholding on P-frames." \
348 "Eliminate dct blocks containing only a small single coefficient.")
350 #define PSY_TEXT N_("Use Psy-optimizations")
351 #define PSY_LONGTEXT N_("Use all visual optimizations that can worsen both PSNR and SSIM")
353 /* Noise reduction 1 is too weak to measure, suggest at least 10 */
354 #define NR_TEXT N_("Noise reduction")
355 #define NR_LONGTEXT N_( "Dct-domain noise reduction. Adaptive pseudo-deadzone. " \
356 "10 to 1000 seems to be a useful range." )
358 #define DEADZONE_INTER_TEXT N_("Inter luma quantization deadzone")
359 #define DEADZONE_INTER_LONGTEXT N_( "Set the size of the inter luma quantization deadzone. " \
362 #define DEADZONE_INTRA_TEXT N_("Intra luma quantization deadzone")
363 #define DEADZONE_INTRA_LONGTEXT N_( "Set the size of the intra luma quantization deadzone. " \
368 #define NON_DETERMINISTIC_TEXT N_("Non-deterministic optimizations when threaded")
369 #define NON_DETERMINISTIC_LONGTEXT N_( "Slightly improve quality of SMP, " \
370 "at the cost of repeatability.")
372 #define ASM_TEXT N_("CPU optimizations")
373 #define ASM_LONGTEXT N_( "Use assembler CPU optimizations.")
375 #define STATS_TEXT N_("Filename for 2 pass stats file")
376 #define STATS_LONGTEXT N_( "Filename for 2 pass stats file for multi-pass encoding.")
378 #define PSNR_TEXT N_("PSNR computation")
379 #define PSNR_LONGTEXT N_( "Compute and print PSNR stats. This has no effect on " \
380 "the actual encoding quality." )
382 #define SSIM_TEXT N_("SSIM computation")
383 #define SSIM_LONGTEXT N_( "Compute and print SSIM stats. This has no effect on " \
384 "the actual encoding quality." )
386 #define QUIET_TEXT N_("Quiet mode")
388 #define VERBOSE_TEXT N_("Statistics")
389 #define VERBOSE_LONGTEXT N_( "Print stats for each frame.")
391 #define SPS_ID_TEXT N_("SPS and PPS id numbers")
392 #define SPS_ID_LONGTEXT N_( "Set SPS and PPS id numbers to allow concatenating " \
393 "streams with different settings.")
395 #define AUD_TEXT N_("Access unit delimiters")
396 #define AUD_LONGTEXT N_( "Generate access unit delimiter NAL units.")
398 #define LOOKAHEAD_TEXT N_("Framecount to use on frametype lookahead")
399 #define LOOKAHEAD_LONGTEXT N_("Framecount to use on frametype lookahead. " \
400 "Currently default can cause sync-issues on unmuxable output, like rtsp-output without ts-mux" )
402 #define HRD_TEXT N_("HRD-timing information")
403 #define HRD_LONGTEXT N_("HRD-timing information")
405 #define TUNE_TEXT N_("Tune the settings for a particular type of source or situation. " \
406 "Overridden by user settings." )
407 #define PRESET_TEXT N_("Use preset as default settings. Overridden by user settings." )
409 static const char *const enc_me_list[] =
410 { "dia", "hex", "umh", "esa", "tesa" };
411 static const char *const enc_me_list_text[] =
412 { N_("dia"), N_("hex"), N_("umh"), N_("esa"), N_("tesa") };
414 static const char *const profile_list[] =
415 { "baseline", "main", "high" };
417 static const char *const bpyramid_list[] =
418 { "none", "strict", "normal" };
420 static const char *const enc_analyse_list[] =
421 { "none", "fast", "normal", "slow", "all" };
422 static const char *const enc_analyse_list_text[] =
423 { N_("none"), N_("fast"), N_("normal"), N_("slow"), N_("all") };
425 static const char *const direct_pred_list[] =
426 { "none", "spatial", "temporal", "auto" };
427 static const char *const direct_pred_list_text[] =
428 { N_("none"), N_("spatial"), N_("temporal"), N_("auto") };
430 static const int const framepacking_list[] =
431 { -1, 0, 1, 2, 3, 4, 5 };
432 static const char *const framepacking_list_text[] =
433 { "", N_("checkerboard"), N_("column alternation"), N_("row alternation"), N_("side by side"), N_("top bottom"), N_("frame alternation") };
436 set_description( N_("H.264/MPEG4 AVC encoder (x264)"))
437 set_capability( "encoder", 200 )
438 set_callbacks( Open, Close )
439 set_category( CAT_INPUT )
440 set_subcategory( SUBCAT_INPUT_VCODEC )
442 /* Frame-type options */
444 add_integer( SOUT_CFG_PREFIX "keyint", 250, KEYINT_TEXT,
445 KEYINT_LONGTEXT, false )
447 add_integer( SOUT_CFG_PREFIX "min-keyint", 25, MIN_KEYINT_TEXT,
448 MIN_KEYINT_LONGTEXT, true )
450 #if X264_BUILD >= 102 && X264_BUILD <= 114
451 add_string( SOUT_CFG_PREFIX "opengop", "none", OPENGOP_TEXT,
452 OPENGOP_LONGTEXT, true )
453 change_string_list( x264_open_gop_names, x264_open_gop_names, 0 );
454 #elif X264_BUILD > 114
455 add_bool( SOUT_CFG_PREFIX "opengop", false, OPENGOP_TEXT,
456 OPENGOP_LONGTEXT, true )
457 add_bool( SOUT_CFG_PREFIX "bluray-compat", false, BLURAY_TEXT,
458 BLURAY_LONGTEXT, true )
461 add_integer( SOUT_CFG_PREFIX "scenecut", 40, SCENE_TEXT,
462 SCENE_LONGTEXT, true )
463 change_integer_range( -1, 100 )
465 add_obsolete_bool( SOUT_CFG_PREFIX "pre-scenecut" )
467 add_integer( SOUT_CFG_PREFIX "bframes", 3, BFRAMES_TEXT,
468 BFRAMES_LONGTEXT, true )
469 change_integer_range( 0, 16 )
471 add_integer( SOUT_CFG_PREFIX "b-adapt", 1, B_ADAPT_TEXT,
472 B_ADAPT_LONGTEXT, true )
473 change_integer_range( 0, 2 )
475 add_integer( SOUT_CFG_PREFIX "b-bias", 0, B_BIAS_TEXT,
476 B_BIAS_LONGTEXT, true )
477 change_integer_range( -100, 100 )
480 add_string( SOUT_CFG_PREFIX "bpyramid", "normal", BPYRAMID_TEXT,
481 BPYRAMID_LONGTEXT, true )
483 add_string( SOUT_CFG_PREFIX "bpyramid", "none", BPYRAMID_TEXT,
484 BPYRAMID_LONGTEXT, true )
486 change_string_list( bpyramid_list, bpyramid_list, 0 );
488 add_bool( SOUT_CFG_PREFIX "cabac", true, CABAC_TEXT, CABAC_LONGTEXT,
491 add_integer( SOUT_CFG_PREFIX "ref", 3, REF_TEXT,
493 change_integer_range( 1, 16 )
495 add_bool( SOUT_CFG_PREFIX "nf", false, NF_TEXT,
498 add_string( SOUT_CFG_PREFIX "deblock", "0:0", FILTER_TEXT,
499 FILTER_LONGTEXT, true )
501 add_string( SOUT_CFG_PREFIX "psy-rd", "1.0:0.0", PSY_RD_TEXT,
502 PSY_RD_LONGTEXT, true )
504 add_bool( SOUT_CFG_PREFIX "psy", true, PSY_TEXT, PSY_LONGTEXT, true )
506 add_string( SOUT_CFG_PREFIX "level", "0", LEVEL_TEXT,
507 LEVEL_LONGTEXT, false )
509 add_string( SOUT_CFG_PREFIX "profile", "high", PROFILE_TEXT,
510 PROFILE_LONGTEXT, false )
511 change_string_list( x264_profile_names, x264_profile_names, 0 );
513 add_bool( SOUT_CFG_PREFIX "interlaced", false, INTERLACED_TEXT, INTERLACED_LONGTEXT,
516 #if X264_BUILD >= 111
517 add_integer( SOUT_CFG_PREFIX "frame-packing", -1, FRAMEPACKING_TEXT, FRAMEPACKING_LONGTEXT, true )
518 change_integer_list( framepacking_list, framepacking_list_text )
519 change_integer_range( -1, 5)
522 add_integer( SOUT_CFG_PREFIX "slices", 0, SLICE_COUNT, SLICE_COUNT_LONGTEXT, true )
523 add_integer( SOUT_CFG_PREFIX "slice-max-size", 0, SLICE_MAX_SIZE, SLICE_MAX_SIZE_LONGTEXT, true )
524 add_integer( SOUT_CFG_PREFIX "slice-max-mbs", 0, SLICE_MAX_MBS, SLICE_MAX_MBS_LONGTEXT, true )
527 add_string( SOUT_CFG_PREFIX "hrd", "none", HRD_TEXT, HRD_LONGTEXT, true )
528 change_string_list( x264_nal_hrd_names, x264_nal_hrd_names, 0 );
534 add_integer( SOUT_CFG_PREFIX "qp", -1, QP_TEXT, QP_LONGTEXT,
536 change_integer_range( -1, 51 ) /* QP 0 -> lossless encoding */
538 add_integer( SOUT_CFG_PREFIX "crf", 23, CRF_TEXT,
540 change_integer_range( 0, 51 )
542 add_integer( SOUT_CFG_PREFIX "qpmin", 10, QPMIN_TEXT,
543 QPMIN_LONGTEXT, true )
544 change_integer_range( 0, 51 )
546 add_integer( SOUT_CFG_PREFIX "qpmax", 51, QPMAX_TEXT,
547 QPMAX_LONGTEXT, true )
548 change_integer_range( 0, 51 )
550 add_integer( SOUT_CFG_PREFIX "qpstep", 4, QPSTEP_TEXT,
551 QPSTEP_LONGTEXT, true )
552 change_integer_range( 0, 51 )
554 add_float( SOUT_CFG_PREFIX "ratetol", 1.0, RATETOL_TEXT,
555 RATETOL_LONGTEXT, true )
556 change_float_range( 0, 100 )
558 add_integer( SOUT_CFG_PREFIX "vbv-maxrate", 0, VBV_MAXRATE_TEXT,
559 VBV_MAXRATE_LONGTEXT, true )
561 add_integer( SOUT_CFG_PREFIX "vbv-bufsize", 0, VBV_BUFSIZE_TEXT,
562 VBV_BUFSIZE_LONGTEXT, true )
564 add_float( SOUT_CFG_PREFIX "vbv-init", 0.9, VBV_INIT_TEXT,
565 VBV_INIT_LONGTEXT, true )
566 change_float_range( 0, 1 )
568 add_float( SOUT_CFG_PREFIX "ipratio", 1.40, IPRATIO_TEXT,
569 IPRATIO_LONGTEXT, true )
570 change_float_range( 1, 2 )
572 add_float( SOUT_CFG_PREFIX "pbratio", 1.30, PBRATIO_TEXT,
573 PBRATIO_LONGTEXT, true )
574 change_float_range( 1, 2 )
576 add_integer( SOUT_CFG_PREFIX "chroma-qp-offset", 0, CHROMA_QP_OFFSET_TEXT,
577 CHROMA_QP_OFFSET_LONGTEXT, true )
579 add_integer( SOUT_CFG_PREFIX "pass", 0, PASS_TEXT,
580 PASS_LONGTEXT, false )
581 change_integer_range( 0, 3 )
583 add_float( SOUT_CFG_PREFIX "qcomp", 0.60, QCOMP_TEXT,
584 QCOMP_LONGTEXT, true )
585 change_float_range( 0, 1 )
587 add_float( SOUT_CFG_PREFIX "cplxblur", 20.0, CPLXBLUR_TEXT,
588 CPLXBLUR_LONGTEXT, true )
590 add_float( SOUT_CFG_PREFIX "qblur", 0.5, QBLUR_TEXT,
591 QBLUR_LONGTEXT, true )
593 add_integer( SOUT_CFG_PREFIX "aq-mode", X264_AQ_VARIANCE, AQ_MODE_TEXT,
594 AQ_MODE_LONGTEXT, true )
595 change_integer_range( 0, 2 )
596 add_float( SOUT_CFG_PREFIX "aq-strength", 1.0, AQ_STRENGTH_TEXT,
597 AQ_STRENGTH_LONGTEXT, true )
601 /* x264 partitions = none (default). set at least "normal" mode. */
602 add_string( SOUT_CFG_PREFIX "partitions", "normal", ANALYSE_TEXT,
603 ANALYSE_LONGTEXT, true )
604 change_string_list( enc_analyse_list, enc_analyse_list_text, 0 );
606 add_string( SOUT_CFG_PREFIX "direct", "spatial", DIRECT_PRED_TEXT,
607 DIRECT_PRED_LONGTEXT, true )
608 change_string_list( direct_pred_list, direct_pred_list_text, 0 );
610 add_integer( SOUT_CFG_PREFIX "direct-8x8", 1, DIRECT_PRED_SIZE_TEXT,
611 DIRECT_PRED_SIZE_LONGTEXT, true )
612 change_integer_range( -1, 1 )
614 add_bool( SOUT_CFG_PREFIX "weightb", true, WEIGHTB_TEXT,
615 WEIGHTB_LONGTEXT, true )
617 add_integer( SOUT_CFG_PREFIX "weightp", 2, WEIGHTP_TEXT,
618 WEIGHTP_LONGTEXT, true )
619 change_integer_range( 0, 2 )
621 add_string( SOUT_CFG_PREFIX "me", "hex", ME_TEXT,
623 change_string_list( enc_me_list, enc_me_list_text, 0 );
625 add_integer( SOUT_CFG_PREFIX "merange", 16, MERANGE_TEXT,
626 MERANGE_LONGTEXT, true )
627 change_integer_range( 1, 64 )
629 add_integer( SOUT_CFG_PREFIX "mvrange", -1, MVRANGE_TEXT,
630 MVRANGE_LONGTEXT, true )
632 add_integer( SOUT_CFG_PREFIX "mvrange-thread", -1, MVRANGE_THREAD_TEXT,
633 MVRANGE_THREAD_LONGTEXT, true )
635 add_integer( SOUT_CFG_PREFIX "subme", 7, SUBME_TEXT,
636 SUBME_LONGTEXT, true )
638 add_obsolete_bool( SOUT_CFG_PREFIX "b-rdo" )
640 add_bool( SOUT_CFG_PREFIX "mixed-refs", true, MIXED_REFS_TEXT,
641 MIXED_REFS_LONGTEXT, true )
643 add_bool( SOUT_CFG_PREFIX "chroma-me", true, CHROMA_ME_TEXT,
644 CHROMA_ME_LONGTEXT, true )
646 add_obsolete_bool( SOUT_CFG_PREFIX "bime" )
648 add_bool( SOUT_CFG_PREFIX "8x8dct", true, TRANSFORM_8X8DCT_TEXT,
649 TRANSFORM_8X8DCT_LONGTEXT, true )
651 add_integer( SOUT_CFG_PREFIX "trellis", 1, TRELLIS_TEXT,
652 TRELLIS_LONGTEXT, true )
653 change_integer_range( 0, 2 )
655 add_integer( SOUT_CFG_PREFIX "lookahead", 40, LOOKAHEAD_TEXT,
656 LOOKAHEAD_LONGTEXT, true )
657 change_integer_range( 0, 60 )
659 add_bool( SOUT_CFG_PREFIX "intra-refresh", false, INTRAREFRESH_TEXT,
660 INTRAREFRESH_LONGTEXT, true )
662 add_bool( SOUT_CFG_PREFIX "mbtree", true, MBTREE_TEXT, MBTREE_LONGTEXT, true )
664 add_bool( SOUT_CFG_PREFIX "fast-pskip", true, FAST_PSKIP_TEXT,
665 FAST_PSKIP_LONGTEXT, true )
667 add_bool( SOUT_CFG_PREFIX "dct-decimate", true, DCT_DECIMATE_TEXT,
668 DCT_DECIMATE_LONGTEXT, true )
670 add_integer( SOUT_CFG_PREFIX "nr", 0, NR_TEXT,
672 change_integer_range( 0, 1000 )
674 add_integer( SOUT_CFG_PREFIX "deadzone-inter", 21, DEADZONE_INTER_TEXT,
675 DEADZONE_INTRA_LONGTEXT, true )
676 change_integer_range( 0, 32 )
678 add_integer( SOUT_CFG_PREFIX "deadzone-intra", 11, DEADZONE_INTRA_TEXT,
679 DEADZONE_INTRA_LONGTEXT, true )
680 change_integer_range( 0, 32 )
684 add_bool( SOUT_CFG_PREFIX "non-deterministic", false, NON_DETERMINISTIC_TEXT,
685 NON_DETERMINISTIC_LONGTEXT, true )
687 add_bool( SOUT_CFG_PREFIX "asm", true, ASM_TEXT,
690 /* x264 psnr = 1 (default). disable PSNR computation for speed. */
691 add_bool( SOUT_CFG_PREFIX "psnr", false, PSNR_TEXT,
692 PSNR_LONGTEXT, true )
694 /* x264 ssim = 1 (default). disable SSIM computation for speed. */
695 add_bool( SOUT_CFG_PREFIX "ssim", false, SSIM_TEXT,
696 SSIM_LONGTEXT, true )
698 add_bool( SOUT_CFG_PREFIX "quiet", false, QUIET_TEXT,
701 add_integer( SOUT_CFG_PREFIX "sps-id", 0, SPS_ID_TEXT,
702 SPS_ID_LONGTEXT, true )
704 add_bool( SOUT_CFG_PREFIX "aud", false, AUD_TEXT,
707 add_bool( SOUT_CFG_PREFIX "verbose", false, VERBOSE_TEXT,
708 VERBOSE_LONGTEXT, true )
710 add_string( SOUT_CFG_PREFIX "stats", "x264_2pass.log", STATS_TEXT,
711 STATS_LONGTEXT, true )
713 add_string( SOUT_CFG_PREFIX "preset", NULL , PRESET_TEXT , PRESET_TEXT, false )
714 change_string_list( x264_preset_names, x264_preset_names, 0 );
715 add_string( SOUT_CFG_PREFIX "tune", NULL , TUNE_TEXT, TUNE_TEXT, false )
716 change_string_list( x264_tune_names, x264_tune_names, 0 );
720 /*****************************************************************************
722 *****************************************************************************/
723 static const char *const ppsz_sout_options[] = {
724 "8x8dct", "asm", "aud", "bframes", "bime", "bpyramid",
725 "b-adapt", "b-bias", "b-rdo", "cabac", "chroma-me", "chroma-qp-offset",
726 "cplxblur", "crf", "dct-decimate", "deadzone-inter", "deadzone-intra",
727 "deblock", "direct", "direct-8x8", "fast-pskip",
728 "interlaced", "ipratio", "keyint", "level",
729 "me", "merange", "min-keyint", "mixed-refs", "mvrange", "mvrange-thread",
730 "nf", "non-deterministic", "nr", "partitions", "pass", "pbratio",
731 "pre-scenecut", "psnr", "qblur", "qp", "qcomp", "qpstep", "qpmax",
732 "qpmin", "quiet", "ratetol", "ref", "scenecut",
733 "sps-id", "ssim", "stats", "subme", "trellis",
734 "verbose", "vbv-bufsize", "vbv-init", "vbv-maxrate", "weightb", "weightp",
735 "aq-mode", "aq-strength", "psy-rd", "psy", "profile", "lookahead", "slices",
736 "slice-max-size", "slice-max-mbs", "intra-refresh", "mbtree", "hrd",
737 "tune","preset", "opengop", "bluray-compat", "frame-packing", NULL
740 static block_t *Encode( encoder_t *, picture_t * );
747 mtime_t i_initial_delay;
751 uint32_t i_colorspace;
755 #ifdef PTW32_STATIC_LIB
756 static vlc_mutex_t pthread_win32_mutex = VLC_STATIC_MUTEX;
757 static int pthread_win32_count = 0;
760 /*****************************************************************************
761 * Open: probe the encoder
762 *****************************************************************************/
763 static int Open ( vlc_object_t *p_this )
765 encoder_t *p_enc = (encoder_t *)p_this;
766 encoder_sys_t *p_sys;
769 int i_qmin = 0, i_qmax = 0;
773 if( p_enc->fmt_out.i_codec != VLC_CODEC_H264 &&
778 /* X264_POINTVER or X264_VERSION are not available */
779 msg_Dbg ( p_enc, "version x264 0.%d.X", X264_BUILD );
781 config_ChainParse( p_enc, SOUT_CFG_PREFIX, ppsz_sout_options, p_enc->p_cfg );
783 p_enc->fmt_out.i_cat = VIDEO_ES;
784 p_enc->fmt_out.i_codec = VLC_CODEC_H264;
785 p_enc->p_sys = p_sys = malloc( sizeof( encoder_sys_t ) );
789 p_enc->fmt_in.i_codec = VLC_CODEC_I420;
790 p_sys->i_colorspace = X264_CSP_I420;
791 #if X264_BUILD >= 118
792 char *psz_profile = var_GetString( p_enc, SOUT_CFG_PREFIX "profile" );
795 const int mask = x264_bit_depth > 8 ? X264_CSP_HIGH_DEPTH : 0;
796 if( !strcmp( psz_profile, "high10" ) )
798 p_enc->fmt_in.i_codec = mask ? VLC_CODEC_I420_10L : VLC_CODEC_I420;
799 p_sys->i_colorspace = X264_CSP_I420 | mask;
801 if( !strcmp( psz_profile, "high422" ) )
803 p_enc->fmt_in.i_codec = mask ? VLC_CODEC_I422_10L : VLC_CODEC_I422;
804 p_sys->i_colorspace = X264_CSP_I422 | mask;
806 if( !strcmp( psz_profile, "high444" ) )
808 p_enc->fmt_in.i_codec = mask ? VLC_CODEC_I444_10L : VLC_CODEC_I444;
809 p_sys->i_colorspace = X264_CSP_I444 | mask;
815 p_enc->pf_encode_video = Encode;
816 p_enc->pf_encode_audio = NULL;
817 p_sys->i_initial_delay = 0;
818 p_sys->psz_stat_name = NULL;
819 p_sys->i_sei_size = 0;
822 x264_param_default( &p_sys->param );
823 char *psz_preset = var_GetString( p_enc, SOUT_CFG_PREFIX "preset" );
824 char *psz_tune = var_GetString( p_enc, SOUT_CFG_PREFIX "tune" );
825 if( *psz_preset == '\0' )
830 x264_param_default_preset( &p_sys->param, psz_preset, psz_tune );
833 p_sys->param.i_csp = p_sys->i_colorspace;
834 p_sys->param.i_width = p_enc->fmt_in.video.i_width;
835 p_sys->param.i_height = p_enc->fmt_in.video.i_height;
837 if( fabs(var_GetFloat( p_enc, SOUT_CFG_PREFIX "qcomp" ) - 0.60) > 0.005 )
838 p_sys->param.rc.f_qcompress = var_GetFloat( p_enc, SOUT_CFG_PREFIX "qcomp" );
840 /* transcode-default bitrate is 0,
841 * set more to ABR if user specifies bitrate */
842 if( p_enc->fmt_out.i_bitrate > 0 )
844 p_sys->param.rc.i_bitrate = p_enc->fmt_out.i_bitrate / 1000;
845 p_sys->param.rc.i_rc_method = X264_RC_ABR;
847 else /* Set default to CRF */
849 i_val = var_GetInteger( p_enc, SOUT_CFG_PREFIX "crf" );
850 if( i_val > 0 && i_val <= 51 )
852 p_sys->param.rc.f_rf_constant = i_val;
853 p_sys->param.rc.i_rc_method = X264_RC_CRF;
857 i_val = var_GetInteger( p_enc, SOUT_CFG_PREFIX "qpstep" );
858 if( i_val >= 0 && i_val <= 51 ) p_sys->param.rc.i_qp_step = i_val;
860 i_val = var_GetInteger( p_enc, SOUT_CFG_PREFIX "qpmin" );
861 if( i_val >= 0 && i_val <= 51 )
864 p_sys->param.rc.i_qp_min = i_qmin;
866 i_val = var_GetInteger( p_enc, SOUT_CFG_PREFIX "qpmax" );
867 if( i_val >= 0 && i_val <= 51 )
870 p_sys->param.rc.i_qp_max = i_qmax;
873 i_val = var_GetInteger( p_enc, SOUT_CFG_PREFIX "qp" );
874 if( i_val >= 0 && i_val <= 51 )
876 if( i_qmin > i_val ) i_qmin = i_val;
877 if( i_qmax < i_val ) i_qmax = i_val;
879 /* User defined QP-value, so change ratecontrol method */
880 p_sys->param.rc.i_rc_method = X264_RC_CQP;
881 p_sys->param.rc.i_qp_constant = i_val;
882 p_sys->param.rc.i_qp_min = i_qmin;
883 p_sys->param.rc.i_qp_max = i_qmax;
887 p_sys->param.rc.f_rate_tolerance = var_GetFloat( p_enc,
888 SOUT_CFG_PREFIX "ratetol" );
889 p_sys->param.rc.f_vbv_buffer_init = var_GetFloat( p_enc,
890 SOUT_CFG_PREFIX "vbv-init" );
891 p_sys->param.rc.i_vbv_buffer_size = var_GetInteger( p_enc,
892 SOUT_CFG_PREFIX "vbv-bufsize" );
894 /* max bitrate = average bitrate -> CBR */
895 p_sys->param.rc.i_vbv_max_bitrate = var_GetInteger( p_enc, SOUT_CFG_PREFIX "vbv-maxrate" );
898 if( !var_GetBool( p_enc, SOUT_CFG_PREFIX "mbtree" ) )
899 p_sys->param.rc.b_mb_tree = var_GetBool( p_enc, SOUT_CFG_PREFIX "mbtree" );
901 if( !var_GetBool( p_enc, SOUT_CFG_PREFIX "cabac" ) )
902 p_sys->param.b_cabac = var_GetBool( p_enc, SOUT_CFG_PREFIX "cabac" );
904 /* disable deblocking when nf (no loop filter) is enabled */
905 if( var_GetBool( p_enc, SOUT_CFG_PREFIX "nf" ) )
906 p_sys->param.b_deblocking_filter = !var_GetBool( p_enc, SOUT_CFG_PREFIX "nf" );
908 psz_val = var_GetString( p_enc, SOUT_CFG_PREFIX "deblock" );
911 if( atoi( psz_val ) != 0 )
913 char *p = strchr( psz_val, ':' );
914 p_sys->param.i_deblocking_filter_alphac0 = atoi( psz_val );
915 p_sys->param.i_deblocking_filter_beta = p ?
916 atoi( p+1 ) : p_sys->param.i_deblocking_filter_alphac0;
921 psz_val = var_GetString( p_enc, SOUT_CFG_PREFIX "psy-rd" );
924 if( us_atof( psz_val ) != 1.0 )
926 char *p = strchr( psz_val, ':' );
927 p_sys->param.analyse.f_psy_rd = us_atof( psz_val );
928 p_sys->param.analyse.f_psy_trellis = p ? us_atof( p+1 ) : 0;
933 if( !var_GetBool( p_enc, SOUT_CFG_PREFIX "psy" ) )
934 p_sys->param.analyse.b_psy = var_GetBool( p_enc, SOUT_CFG_PREFIX "psy" );
936 psz_val = var_GetString( p_enc, SOUT_CFG_PREFIX "level" );
939 if( us_atof (psz_val) < 6 && us_atof (psz_val) > 0 )
940 p_sys->param.i_level_idc = (int) (10 * us_atof (psz_val)
942 else if( atoi(psz_val) >= 10 && atoi(psz_val) <= 51 )
943 p_sys->param.i_level_idc = atoi (psz_val);
947 p_sys->param.b_interlaced = var_GetBool( p_enc, SOUT_CFG_PREFIX "interlaced" );
948 if( fabs(var_GetFloat( p_enc, SOUT_CFG_PREFIX "ipratio" ) - 1.4) > 0.005 )
949 p_sys->param.rc.f_ip_factor = var_GetFloat( p_enc, SOUT_CFG_PREFIX "ipratio" );
950 if( fabs(var_GetFloat( p_enc, SOUT_CFG_PREFIX "pbratio" ) - 1.3 ) > 0.005 )
951 p_sys->param.rc.f_pb_factor = var_GetFloat( p_enc, SOUT_CFG_PREFIX "pbratio" );
952 p_sys->param.rc.f_complexity_blur = var_GetFloat( p_enc, SOUT_CFG_PREFIX "cplxblur" );
953 p_sys->param.rc.f_qblur = var_GetFloat( p_enc, SOUT_CFG_PREFIX "qblur" );
954 if( var_GetInteger( p_enc, SOUT_CFG_PREFIX "aq-mode" ) != X264_AQ_VARIANCE )
955 p_sys->param.rc.i_aq_mode = var_GetInteger( p_enc, SOUT_CFG_PREFIX "aq-mode" );
956 if( fabs( var_GetFloat( p_enc, SOUT_CFG_PREFIX "aq-strength" ) - 1.0) > 0.005 )
957 p_sys->param.rc.f_aq_strength = var_GetFloat( p_enc, SOUT_CFG_PREFIX "aq-strength" );
959 #if X264_BUILD >= 111
960 if( var_GetInteger( p_enc, SOUT_CFG_PREFIX "frame-packing" ) > -1 )
961 p_sys->param.i_frame_packing = var_GetInteger( p_enc, SOUT_CFG_PREFIX "frame-packing" );
964 if( var_GetBool( p_enc, SOUT_CFG_PREFIX "verbose" ) )
965 p_sys->param.i_log_level = X264_LOG_DEBUG;
967 if( var_GetBool( p_enc, SOUT_CFG_PREFIX "quiet" ) )
968 p_sys->param.i_log_level = X264_LOG_NONE;
970 i_val = var_GetInteger( p_enc, SOUT_CFG_PREFIX "sps-id" );
971 if( i_val >= 0 ) p_sys->param.i_sps_id = i_val;
973 if( var_GetBool( p_enc, SOUT_CFG_PREFIX "aud" ) )
974 p_sys->param.b_aud = true;
976 i_val = var_GetInteger( p_enc, SOUT_CFG_PREFIX "keyint" );
977 if( i_val > 0 && i_val != 250 ) p_sys->param.i_keyint_max = i_val;
978 #if X264_BUILD >= 102
979 if( i_val == -1 ) p_sys->param.i_keyint_max = X264_KEYINT_MAX_INFINITE;
982 i_val = var_GetInteger( p_enc, SOUT_CFG_PREFIX "min-keyint" );
983 if( i_val > 0 && i_val != 25 ) p_sys->param.i_keyint_min = i_val;
985 #if X264_BUILD >= 102 && X264_BUILD <= 114
986 psz_val = var_GetString( p_enc, SOUT_CFG_PREFIX "opengop" );
987 if( !strcmp( psz_val, "none" ) )
988 p_sys->param.i_open_gop = X264_OPEN_GOP_NONE;
989 else if( !strcmp( psz_val, "normal" ) )
990 p_sys->param.i_open_gop = X264_OPEN_GOP_NORMAL;
991 else if( !strcmp( psz_val, "bluray" ) )
992 p_sys->param.i_open_gop = X264_OPEN_GOP_BLURAY;
994 #elif X264_BUILD >= 115
995 p_sys->param.b_open_gop = var_GetBool( p_enc, SOUT_CFG_PREFIX "opengop" );
996 p_sys->param.b_bluray_compat = var_GetBool( p_enc, SOUT_CFG_PREFIX "bluray-compat" );
998 i_val = var_GetInteger( p_enc, SOUT_CFG_PREFIX "bframes" );
999 if( i_val >= 0 && i_val <= 16 && i_val != 3 )
1000 p_sys->param.i_bframe = i_val;
1002 p_sys->param.b_intra_refresh = var_GetBool( p_enc, SOUT_CFG_PREFIX "intra-refresh" );
1004 psz_val = var_GetString( p_enc, SOUT_CFG_PREFIX "bpyramid" );
1005 if( !strcmp( psz_val, "normal" ) )
1007 p_sys->param.i_bframe_pyramid = X264_B_PYRAMID_NORMAL;
1009 else if ( !strcmp( psz_val, "strict" ) )
1011 p_sys->param.i_bframe_pyramid = X264_B_PYRAMID_STRICT;
1013 else if ( !strcmp( psz_val, "none" ) )
1015 p_sys->param.i_bframe_pyramid = X264_B_PYRAMID_NONE;
1020 i_val = var_GetInteger( p_enc, SOUT_CFG_PREFIX "ref" );
1021 if( i_val > 0 && i_val <= 15 && i_val != 3 )
1022 p_sys->param.i_frame_reference = i_val;
1024 i_val = var_GetInteger( p_enc, SOUT_CFG_PREFIX "scenecut" );
1025 if( i_val >= -1 && i_val <= 100 && i_val != 40 )
1026 p_sys->param.i_scenecut_threshold = i_val;
1028 p_sys->param.b_deterministic = var_GetBool( p_enc,
1029 SOUT_CFG_PREFIX "non-deterministic" );
1031 i_val = var_GetInteger( p_enc, SOUT_CFG_PREFIX "subme" );
1032 if( i_val >= 1 && i_val != 7 )
1033 p_sys->param.analyse.i_subpel_refine = i_val;
1035 #if X264_BUILD >= 89
1036 psz_val = var_GetString( p_enc, SOUT_CFG_PREFIX "hrd");
1037 if( !strcmp( psz_val, "vbr" ) )
1038 p_sys->param.i_nal_hrd = X264_NAL_HRD_VBR;
1039 else if( !strcmp( psz_val, "cbr" ) )
1040 p_sys->param.i_nal_hrd = X264_NAL_HRD_CBR;
1044 //TODO: psz_val == NULL ?
1045 psz_val = var_GetString( p_enc, SOUT_CFG_PREFIX "me" );
1046 if( psz_val && strcmp( psz_val, "hex" ) )
1048 if( !strcmp( psz_val, "dia" ) )
1050 p_sys->param.analyse.i_me_method = X264_ME_DIA;
1052 else if( !strcmp( psz_val, "umh" ) )
1054 p_sys->param.analyse.i_me_method = X264_ME_UMH;
1056 else if( !strcmp( psz_val, "esa" ) )
1058 p_sys->param.analyse.i_me_method = X264_ME_ESA;
1060 else if( !strcmp( psz_val, "tesa" ) )
1062 p_sys->param.analyse.i_me_method = X264_ME_TESA;
1067 i_val = var_GetInteger( p_enc, SOUT_CFG_PREFIX "merange" );
1068 if( i_val >= 0 && i_val <= 64 && i_val != 16 )
1069 p_sys->param.analyse.i_me_range = i_val;
1071 p_sys->param.analyse.i_mv_range = var_GetInteger( p_enc,
1072 SOUT_CFG_PREFIX "mvrange" );
1073 p_sys->param.analyse.i_mv_range_thread = var_GetInteger( p_enc,
1074 SOUT_CFG_PREFIX "mvrange-thread" );
1076 psz_val = var_GetString( p_enc, SOUT_CFG_PREFIX "direct" );
1077 if( !strcmp( psz_val, "none" ) )
1079 p_sys->param.analyse.i_direct_mv_pred = X264_DIRECT_PRED_NONE;
1081 else if( !strcmp( psz_val, "spatial" ) )
1083 p_sys->param.analyse.i_direct_mv_pred = X264_DIRECT_PRED_SPATIAL;
1085 else if( !strcmp( psz_val, "temporal" ) )
1087 p_sys->param.analyse.i_direct_mv_pred = X264_DIRECT_PRED_TEMPORAL;
1089 else if( !strcmp( psz_val, "auto" ) )
1091 p_sys->param.analyse.i_direct_mv_pred = X264_DIRECT_PRED_AUTO;
1095 p_sys->param.analyse.b_psnr = var_GetBool( p_enc, SOUT_CFG_PREFIX "psnr" );
1096 p_sys->param.analyse.b_ssim = var_GetBool( p_enc, SOUT_CFG_PREFIX "ssim" );
1097 if( !var_GetBool( p_enc, SOUT_CFG_PREFIX "weightb" ) )
1098 p_sys->param.analyse.b_weighted_bipred = var_GetBool( p_enc,
1099 SOUT_CFG_PREFIX "weightb" );
1100 if( var_GetInteger( p_enc, SOUT_CFG_PREFIX "weightp" ) != 2 )
1101 p_sys->param.analyse.i_weighted_pred = var_GetInteger( p_enc, SOUT_CFG_PREFIX "weightp" );
1103 i_val = var_GetInteger( p_enc, SOUT_CFG_PREFIX "b-adapt" );
1105 p_sys->param.i_bframe_adaptive = i_val;
1107 i_val = var_GetInteger( p_enc, SOUT_CFG_PREFIX "b-bias" );
1108 if( i_val >= -100 && i_val <= 100 && i_val != 0)
1109 p_sys->param.i_bframe_bias = i_val;
1111 p_sys->param.analyse.b_chroma_me = var_GetBool( p_enc,
1112 SOUT_CFG_PREFIX "chroma-me" );
1113 p_sys->param.analyse.i_chroma_qp_offset = var_GetInteger( p_enc,
1114 SOUT_CFG_PREFIX "chroma-qp-offset" );
1115 if( !var_GetBool( p_enc, SOUT_CFG_PREFIX "mixed-refs" ) )
1116 p_sys->param.analyse.b_mixed_references = var_GetBool( p_enc,
1117 SOUT_CFG_PREFIX "mixed-refs" );
1119 i_val = var_GetInteger( p_enc, SOUT_CFG_PREFIX "trellis" );
1120 if( i_val >= 0 && i_val <= 2 && i_val != 1 )
1121 p_sys->param.analyse.i_trellis = i_val;
1123 if( !var_GetBool( p_enc, SOUT_CFG_PREFIX "fast-pskip" ) )
1124 p_sys->param.analyse.b_fast_pskip = var_GetBool( p_enc,
1125 SOUT_CFG_PREFIX "fast-pskip" );
1127 i_val = var_GetInteger( p_enc, SOUT_CFG_PREFIX "nr" );
1128 if( i_val > 0 && i_val <= 1000 )
1129 p_sys->param.analyse.i_noise_reduction = i_val;
1131 if( !var_GetBool( p_enc, SOUT_CFG_PREFIX "dct-decimate" ) )
1132 p_sys->param.analyse.b_dct_decimate = var_GetBool( p_enc,
1133 SOUT_CFG_PREFIX "dct-decimate" );
1135 i_val = var_GetInteger( p_enc, SOUT_CFG_PREFIX "deadzone-inter" );
1136 if( i_val >= 0 && i_val <= 32 && i_val != 21 )
1137 p_sys->param.analyse.i_luma_deadzone[0] = i_val;
1139 i_val = var_GetInteger( p_enc, SOUT_CFG_PREFIX "deadzone-intra" );
1140 if( i_val >= 0 && i_val <= 32 && i_val != 11)
1141 p_sys->param.analyse.i_luma_deadzone[1] = i_val;
1143 if( !var_GetBool( p_enc, SOUT_CFG_PREFIX "asm" ) )
1144 p_sys->param.cpu = 0;
1146 #ifndef X264_ANALYSE_BSUB16x16
1147 # define X264_ANALYSE_BSUB16x16 0
1149 psz_val = var_GetString( p_enc, SOUT_CFG_PREFIX "partitions" );
1150 if( !strcmp( psz_val, "none" ) )
1152 p_sys->param.analyse.inter = 0;
1154 else if( !strcmp( psz_val, "fast" ) )
1156 p_sys->param.analyse.inter = X264_ANALYSE_I4x4;
1158 else if( !strcmp( psz_val, "normal" ) )
1160 p_sys->param.analyse.inter =
1162 X264_ANALYSE_PSUB16x16;
1163 #ifdef X264_ANALYSE_I8x8
1164 p_sys->param.analyse.inter |= X264_ANALYSE_I8x8;
1167 else if( !strcmp( psz_val, "slow" ) )
1169 p_sys->param.analyse.inter =
1171 X264_ANALYSE_PSUB16x16 |
1172 X264_ANALYSE_BSUB16x16;
1173 #ifdef X264_ANALYSE_I8x8
1174 p_sys->param.analyse.inter |= X264_ANALYSE_I8x8;
1177 else if( !strcmp( psz_val, "all" ) )
1179 p_sys->param.analyse.inter = ~0;
1183 if( !var_GetBool( p_enc, SOUT_CFG_PREFIX "8x8dct" ) )
1184 p_sys->param.analyse.b_transform_8x8 = var_GetBool( p_enc,
1185 SOUT_CFG_PREFIX "8x8dct" );
1187 if( p_enc->fmt_in.video.i_sar_num > 0 &&
1188 p_enc->fmt_in.video.i_sar_den > 0 )
1190 unsigned int i_dst_num, i_dst_den;
1191 vlc_ureduce( &i_dst_num, &i_dst_den,
1192 p_enc->fmt_in.video.i_sar_num,
1193 p_enc->fmt_in.video.i_sar_den, 0 );
1194 p_sys->param.vui.i_sar_width = i_dst_num;
1195 p_sys->param.vui.i_sar_height = i_dst_den;
1198 if( p_enc->fmt_in.video.i_frame_rate_base > 0 )
1200 p_sys->param.i_fps_num = p_enc->fmt_in.video.i_frame_rate;
1201 p_sys->param.i_fps_den = p_enc->fmt_in.video.i_frame_rate_base;
1202 p_sys->param.b_vfr_input = 0;
1205 /* Check slice-options */
1206 i_val = var_GetInteger( p_enc, SOUT_CFG_PREFIX "slices" );
1208 p_sys->param.i_slice_count = i_val;
1209 i_val = var_GetInteger( p_enc, SOUT_CFG_PREFIX "slice-max-size" );
1211 p_sys->param.i_slice_max_size = i_val;
1212 i_val = var_GetInteger( p_enc, SOUT_CFG_PREFIX "slice-max-mbs" );
1214 p_sys->param.i_slice_max_mbs = i_val;
1216 /* Check if user has given some profile (baseline,main,high) to limit
1217 * settings, and apply those*/
1218 psz_val = var_GetString( p_enc, SOUT_CFG_PREFIX "profile" );
1220 x264_param_apply_profile( &p_sys->param, psz_val );
1224 unsigned i_cpu = vlc_CPU();
1225 if( !(i_cpu & CPU_CAPABILITY_MMX) )
1227 p_sys->param.cpu &= ~X264_CPU_MMX;
1229 if( !(i_cpu & CPU_CAPABILITY_MMXEXT) )
1231 p_sys->param.cpu &= ~X264_CPU_MMXEXT;
1233 if( !(i_cpu & CPU_CAPABILITY_SSE) )
1235 p_sys->param.cpu &= ~X264_CPU_SSE;
1237 if( !(i_cpu & CPU_CAPABILITY_SSE2) )
1239 p_sys->param.cpu &= ~X264_CPU_SSE2;
1242 /* BUILD 29 adds support for multi-threaded encoding while BUILD 49 (r543)
1243 also adds support for threads = 0 for automatically selecting an optimal
1244 value (cores * 1.5) based on detected CPUs. Default behavior for x264 is
1245 threads = 1, however VLC usage differs and uses threads = 0 (auto) by
1246 default unless ofcourse transcode threads is explicitly specified.. */
1247 p_sys->param.i_threads = p_enc->i_threads;
1249 psz_val = var_GetString( p_enc, SOUT_CFG_PREFIX "stats" );
1252 p_sys->param.rc.psz_stat_in =
1253 p_sys->param.rc.psz_stat_out =
1254 p_sys->psz_stat_name = psz_val;
1257 i_val = var_GetInteger( p_enc, SOUT_CFG_PREFIX "pass" );
1258 if( i_val > 0 && i_val <= 3 )
1260 p_sys->param.rc.b_stat_write = i_val & 1;
1261 p_sys->param.rc.b_stat_read = i_val & 2;
1264 p_sys->param.pf_log = x264_log;
1265 p_sys->param.p_log_private = p_enc;
1266 /* We need to initialize pthreadw32 before we open the encoder,
1267 but only once for the whole application. Since pthreadw32
1268 doesn't keep a refcount, do it ourselves. */
1269 #ifdef PTW32_STATIC_LIB
1270 vlc_mutex_lock( &pthread_win32_mutex );
1272 if( pthread_win32_count == 0 )
1274 msg_Dbg( p_enc, "initializing pthread-win32" );
1275 if( !pthread_win32_process_attach_np() || !pthread_win32_thread_attach_np() )
1277 msg_Warn( p_enc, "pthread Win32 Initialization failed" );
1278 vlc_mutex_unlock( &pthread_win32_mutex );
1279 return VLC_EGENERIC;
1283 pthread_win32_count++;
1284 vlc_mutex_unlock( &pthread_win32_mutex );
1287 if( var_GetInteger( p_enc, SOUT_CFG_PREFIX "lookahead" ) != 40 )
1289 p_sys->param.rc.i_lookahead = var_GetInteger( p_enc, SOUT_CFG_PREFIX "lookahead" );
1292 /* We don't want repeated headers, we repeat p_extra ourself if needed */
1293 p_sys->param.b_repeat_headers = 0;
1295 /* Open the encoder */
1296 p_sys->h = x264_encoder_open( &p_sys->param );
1298 if( p_sys->h == NULL )
1300 msg_Err( p_enc, "cannot open x264 encoder" );
1301 Close( VLC_OBJECT(p_enc) );
1302 return VLC_EGENERIC;
1305 /* get the globals headers */
1306 size_t i_extra = x264_encoder_headers( p_sys->h, &nal, &i_nal );
1307 uint8_t *p_extra = p_enc->fmt_out.p_extra = malloc( i_extra );
1310 Close( VLC_OBJECT(p_enc) );
1314 for( i = 0; i < i_nal; i++ )
1316 if( nal[i].i_type != NAL_SEI )
1318 memcpy( p_extra, nal[i].p_payload, nal[i].i_payload );
1319 p_extra += nal[i].i_payload;
1320 continue; /* next NAL */
1323 /* we won't store this NAL in p_extra */
1324 assert( i_extra >= (size_t)nal[i].i_payload );
1325 i_extra -= nal[i].i_payload;
1327 /* Make sure we only have one SEI NAL in the headers */
1328 assert(p_sys->i_sei_size == 0);
1329 p_sys->i_sei_size = nal[i].i_payload;
1331 p_sys->p_sei = malloc( p_sys->i_sei_size );
1335 Close( VLC_OBJECT(p_enc) );
1338 memcpy( p_sys->p_sei, nal[i].p_payload, nal[i].i_payload );
1341 p_enc->fmt_out.i_extra = i_extra;
1346 /****************************************************************************
1348 ****************************************************************************/
1349 static void x264_log( void *data, int i_level, const char *psz, va_list args)
1351 encoder_t *p_enc = (encoder_t *)data;
1355 case X264_LOG_ERROR:
1356 i_level = VLC_MSG_ERR;
1358 case X264_LOG_WARNING:
1359 i_level = VLC_MSG_WARN;
1362 i_level = VLC_MSG_INFO;
1364 case X264_LOG_DEBUG:
1365 i_level = VLC_MSG_DBG;
1367 i_level = VLC_MSG_DBG;
1370 msg_GenericVa( p_enc, i_level, MODULE_STRING, psz, args );
1373 /****************************************************************************
1375 ****************************************************************************/
1376 static block_t *Encode( encoder_t *p_enc, picture_t *p_pict )
1378 encoder_sys_t *p_sys = p_enc->p_sys;
1382 int i_nal=0, i_out=0, i=0;
1385 #if X264_BUILD >= 98
1386 x264_picture_init( &pic );
1388 memset( &pic, 0, sizeof( x264_picture_t ) );
1390 if( likely(p_pict) ) {
1391 pic.i_pts = p_pict->date;
1392 pic.img.i_csp = p_sys->i_colorspace;
1393 pic.img.i_plane = p_pict->i_planes;
1394 for( i = 0; i < p_pict->i_planes; i++ )
1396 pic.img.plane[i] = p_pict->p[i].p_pixels;
1397 pic.img.i_stride[i] = p_pict->p[i].i_pitch;
1400 x264_encoder_encode( p_sys->h, &nal, &i_nal, &pic, &pic );
1402 if( x264_encoder_delayed_frames( p_sys->h ) ) {
1403 x264_encoder_encode( p_sys->h, &nal, &i_nal, NULL, &pic );
1407 if( !i_nal ) return NULL;
1410 /* Get size of block we need */
1411 for( i = 0; i < i_nal; i++ )
1412 i_out += nal[i].i_payload;
1414 p_block = block_New( p_enc, i_out + p_sys->i_sei_size );
1415 if( !p_block ) return NULL;
1417 unsigned int i_offset = 0;
1418 if( unlikely( p_sys->i_sei_size ) )
1420 /* insert x264 headers SEI nal into the first picture block at the start */
1421 memcpy( p_block->p_buffer, p_sys->p_sei, p_sys->i_sei_size );
1422 i_offset = p_sys->i_sei_size;
1423 p_sys->i_sei_size = 0;
1424 free( p_sys->p_sei );
1425 p_sys->p_sei = NULL;
1427 /* copy encoded data directly to block */
1428 memcpy( p_block->p_buffer + i_offset, nal[0].p_payload, i_out );
1430 if( pic.b_keyframe )
1431 p_block->i_flags |= BLOCK_FLAG_TYPE_I;
1432 else if( pic.i_type == X264_TYPE_P || pic.i_type == X264_TYPE_I )
1433 p_block->i_flags |= BLOCK_FLAG_TYPE_P;
1434 else if( pic.i_type == X264_TYPE_B )
1435 p_block->i_flags |= BLOCK_FLAG_TYPE_B;
1437 p_block->i_flags |= BLOCK_FLAG_TYPE_PB;
1439 /* This isn't really valid for streams with B-frames */
1440 p_block->i_length = INT64_C(1000000) *
1441 p_enc->fmt_in.video.i_frame_rate_base /
1442 p_enc->fmt_in.video.i_frame_rate;
1444 /* scale pts-values back*/
1445 p_block->i_pts = pic.i_pts;
1446 p_block->i_dts = pic.i_dts;
1451 /*****************************************************************************
1452 * CloseEncoder: x264 encoder destruction
1453 *****************************************************************************/
1454 static void Close( vlc_object_t *p_this )
1456 encoder_t *p_enc = (encoder_t *)p_this;
1457 encoder_sys_t *p_sys = p_enc->p_sys;
1459 free( p_sys->psz_stat_name );
1460 free( p_sys->p_sei );
1462 msg_Dbg( p_enc, "framecount still in libx264 buffer: %d", x264_encoder_delayed_frames( p_sys->h ) );
1465 x264_encoder_close( p_sys->h );
1467 #ifdef PTW32_STATIC_LIB
1468 vlc_mutex_lock( &pthread_win32_mutex );
1469 pthread_win32_count--;
1471 if( pthread_win32_count == 0 )
1473 pthread_win32_thread_detach_np();
1474 pthread_win32_process_detach_np();
1475 msg_Dbg( p_enc, "pthread-win32 deinitialized" );
1478 vlc_mutex_unlock( &pthread_win32_mutex );