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
45 #define SOUT_CFG_PREFIX "sout-x264-"
47 /*****************************************************************************
49 *****************************************************************************/
50 static int Open ( vlc_object_t
* );
51 static void Close( vlc_object_t
* );
53 /* Frame-type options */
55 #define KEYINT_TEXT N_("Maximum GOP size")
56 #define KEYINT_LONGTEXT N_( "Sets maximum interval between IDR-frames." \
57 "Larger values save bits, thus improving quality for a given bitrate at " \
58 "the cost of seeking precision." )
60 #define MIN_KEYINT_TEXT N_("Minimum GOP size")
61 #define MIN_KEYINT_LONGTEXT N_( "Sets minimum interval between IDR-frames. " \
62 "In H.264, I-frames do not necessarily bound a closed GOP because it is " \
63 "allowable for a P-frame to be predicted from more frames than just the " \
64 "one frame before it (also see reference frame option). Therefore, " \
65 "I-frames are not necessarily seekable. IDR-frames restrict subsequent " \
66 "P-frames from referring to any frame prior to the IDR-frame. \n" \
67 "If scenecuts appear within this interval, they are still encoded as " \
68 "I-frames, but do not start a new GOP." )
70 #define OPENGOP_TEXT N_("Use recovery points to close GOPs")
71 #define OPENGOP_LONGTEXT N_("none: use closed GOPs only\n"\
72 "normal: use standard open GOPs\n" \
73 "bluray: use Blu-ray compatible open GOPs" )
75 #define SCENE_TEXT N_("Extra I-frames aggressivity" )
76 #define SCENE_LONGTEXT N_( "Scene-cut detection. Controls how " \
77 "aggressively to insert extra I-frames. With small values of " \
78 "scenecut, the codec often has " \
79 "to force an I-frame when it would exceed keyint. " \
80 "Good values of scenecut may find a better location for the " \
81 "I-frame. Large values use more I-frames " \
82 "than necessary, thus wasting bits. -1 disables scene-cut detection, so " \
83 "I-frames are inserted only every other keyint frames, which probably " \
84 "leads to ugly encoding artifacts. Range 1 to 100." )
87 #define BFRAMES_TEXT N_("B-frames between I and P")
88 #define BFRAMES_LONGTEXT N_( "Number of consecutive B-frames between I and " \
89 "P-frames. Range 1 to 16." )
91 #define B_ADAPT_TEXT N_("Adaptive B-frame decision")
92 #define B_ADAPT_LONGTEXT N_( "Force the specified number of " \
93 "consecutive B-frames to be used, except possibly before an I-frame." \
96 #define B_BIAS_TEXT N_("Influence (bias) B-frames usage")
97 #define B_BIAS_LONGTEXT N_( "Bias the choice to use B-frames. Positive values " \
98 "cause more B-frames, negative values cause less B-frames." )
101 #define BPYRAMID_TEXT N_("Keep some B-frames as references")
102 #define BPYRAMID_LONGTEXT N_( "Allows B-frames to be used as references for " \
103 "predicting other frames. Keeps the middle of 2+ consecutive B-frames " \
104 "as a reference, and reorders frame appropriately.\n" \
105 " - none: Disabled\n" \
106 " - strict: Strictly hierarchical pyramid\n" \
107 " - normal: Non-strict (not Blu-ray compatible)\n"\
110 #define CABAC_TEXT N_("CABAC")
111 #define CABAC_LONGTEXT N_( "CABAC (Context-Adaptive Binary Arithmetic "\
112 "Coding). Slightly slows down encoding and decoding, but should save " \
113 "10 to 15% bitrate." )
115 #define REF_TEXT N_("Number of reference frames")
116 #define REF_LONGTEXT N_( "Number of previous frames used as predictors. " \
117 "This is effective in Anime, but seems to make little difference in " \
118 "live-action source material. Some decoders are unable to deal with " \
119 "large frameref values. Range 1 to 16." )
121 #define NF_TEXT N_("Skip loop filter")
122 #define NF_LONGTEXT N_( "Deactivate the deblocking loop filter (decreases quality).")
124 #define FILTER_TEXT N_("Loop filter AlphaC0 and Beta parameters alpha:beta")
125 #define FILTER_LONGTEXT N_( "Loop filter AlphaC0 and Beta parameters. " \
126 "Range -6 to 6 for both alpha and beta parameters. -6 means light " \
127 "filter, 6 means strong.")
129 #define LEVEL_TEXT N_("H.264 level")
130 #define LEVEL_LONGTEXT N_( "Specify H.264 level (as defined by Annex A " \
131 "of the standard). Levels are not enforced; it's up to the user to select " \
132 "a level compatible with the rest of the encoding options. Range 1 to 5.1 " \
133 "(10 to 51 is also allowed). Set to 0 for letting x264 set level.")
135 #define PROFILE_TEXT N_("H.264 profile")
136 #define PROFILE_LONGTEXT N_("Specify H.264 profile which limits are enforced over" \
139 /* In order to play an interlaced output stream encoded by x264, a decoder needs
140 mbaff support. r570 is using the 'mb' part and not 'aff' yet; so it's really
141 'pure-interlaced' mode */
142 #define INTERLACED_TEXT N_("Interlaced mode")
143 #define INTERLACED_LONGTEXT N_( "Pure-interlaced mode.")
145 #define INTRAREFRESH_TEXT N_("Use Periodic Intra Refresh")
146 #define INTRAREFRESH_LONGTEXT N_("Use Periodic Intra Refresh instead of IDR frames")
148 #define MBTREE_TEXT N_("Use mb-tree ratecontrol")
149 #define MBTREE_LONGTEXT N_("You can disable use of Macroblock-tree on ratecontrol")
151 #define SLICE_COUNT N_("Force number of slices per frame")
152 #define SLICE_COUNT_LONGTEXT N_("Force rectangular slices and is overridden by other slicing optinos")
154 #define SLICE_MAX_SIZE N_("Limit the size of each slice in bytes")
155 #define SLICE_MAX_SIZE_LONGTEXT N_("Sets a maximum slice size in bytes, Includes NAL overhead in size")
157 #define SLICE_MAX_MBS N_("Limit the size of each slice in macroblocks")
158 #define SLICE_MAX_MBS_LONGTEXT N_("Sets a maximum number of macroblocks per slice")
161 #define QP_TEXT N_("Set QP")
162 #define QP_LONGTEXT N_( "This selects the quantizer to use. " \
163 "Lower values result in better fidelity, but higher bitrates. 26 is a " \
164 "good default value. Range 0 (lossless) to 51." )
166 #define CRF_TEXT N_("Quality-based VBR")
167 #define CRF_LONGTEXT N_( "1-pass Quality-based VBR. Range 0 to 51." )
169 #define QPMIN_TEXT N_("Min QP")
170 #define QPMIN_LONGTEXT N_( "Minimum quantizer parameter. 15 to 35 seems to " \
171 "be a useful range." )
173 #define QPMAX_TEXT N_("Max QP")
174 #define QPMAX_LONGTEXT N_( "Maximum quantizer parameter." )
176 #define QPSTEP_TEXT N_("Max QP step")
177 #define QPSTEP_LONGTEXT N_( "Max QP step between frames.")
179 #define RATETOL_TEXT N_("Average bitrate tolerance")
180 #define RATETOL_LONGTEXT N_( "Allowed variance in average " \
181 "bitrate (in kbits/s).")
183 #define VBV_MAXRATE_TEXT N_("Max local bitrate")
184 #define VBV_MAXRATE_LONGTEXT N_( "Sets a maximum local bitrate (in kbits/s).")
186 #define VBV_BUFSIZE_TEXT N_("VBV buffer")
187 #define VBV_BUFSIZE_LONGTEXT N_( "Averaging period for the maximum " \
188 "local bitrate (in kbits).")
190 #define VBV_INIT_TEXT N_("Initial VBV buffer occupancy")
191 #define VBV_INIT_LONGTEXT N_( "Sets the initial buffer occupancy as a " \
192 "fraction of the buffer size. Range 0.0 to 1.0.")
194 #define AQ_MODE_TEXT N_("How AQ distributes bits")
195 #define AQ_MODE_LONGTEXT N_("Defines bitdistribution mode for AQ, default 1\n" \
197 " - 1: Current x264 default mode\n"\
198 " - 2: uses log(var)^2 instead of log(var) and attempts to adapt strength per frame")
200 #define AQ_STRENGTH_TEXT N_("Strength of AQ")
201 #define AQ_STRENGTH_LONGTEXT N_("Strength to reduce blocking and blurring in flat\n"\
202 "and textured areas, default 1.0 recommented to be between 0..2\n"\
206 /* IP Ratio < 1 is technically valid but should never improve quality */
207 #define IPRATIO_TEXT N_("QP factor between I and P")
208 #define IPRATIO_LONGTEXT N_( "QP factor between I and P. Range 1.0 to 2.0.")
210 /* PB ratio < 1 is not valid and breaks ratecontrol */
211 #define PBRATIO_TEXT N_("QP factor between P and B")
212 #define PBRATIO_LONGTEXT N_( "QP factor between P and B. Range 1.0 to 2.0.")
214 #define CHROMA_QP_OFFSET_TEXT N_("QP difference between chroma and luma")
215 #define CHROMA_QP_OFFSET_LONGTEXT N_( "QP difference between chroma and luma.")
217 #define PASS_TEXT N_("Multipass ratecontrol")
218 #define PASS_LONGTEXT N_( "Multipass ratecontrol:\n" \
219 " - 1: First pass, creates stats file\n" \
220 " - 2: Last pass, does not overwrite stats file\n" \
221 " - 3: Nth pass, overwrites stats file\n" )
223 #define QCOMP_TEXT N_("QP curve compression")
224 #define QCOMP_LONGTEXT N_( "QP curve compression. Range 0.0 (CBR) to 1.0 (QCP).")
226 #define CPLXBLUR_TEXT N_("Reduce fluctuations in QP")
227 #define CPLXBLUR_LONGTEXT N_( "This reduces the fluctuations in QP " \
228 "before curve compression. Temporally blurs complexity.")
230 #define QBLUR_TEXT N_("Reduce fluctuations in QP")
231 #define QBLUR_LONGTEXT N_( "This reduces the fluctations in QP " \
232 "after curve compression. Temporally blurs quants.")
236 #define ANALYSE_TEXT N_("Partitions to consider")
237 #define ANALYSE_LONGTEXT N_( "Partitions to consider in analyse mode: \n" \
240 " - normal: i4x4,p8x8,(i8x8)\n" \
241 " - slow : i4x4,p8x8,(i8x8),b8x8\n" \
242 " - all : i4x4,p8x8,(i8x8),b8x8,p4x4\n" \
243 "(p4x4 requires p8x8. i8x8 requires 8x8dct).")
245 #define DIRECT_PRED_TEXT N_("Direct MV prediction mode")
246 #define DIRECT_PRED_LONGTEXT N_( "Direct MV prediction mode.")
248 #define DIRECT_PRED_SIZE_TEXT N_("Direct prediction size")
249 #define DIRECT_PRED_SIZE_LONGTEXT N_( "Direct prediction size: "\
252 " - -1: smallest possible according to level\n" )
254 #define WEIGHTB_TEXT N_("Weighted prediction for B-frames")
255 #define WEIGHTB_LONGTEXT N_( "Weighted prediction for B-frames.")
257 #define WEIGHTP_TEXT N_("Weighted prediction for P-frames")
258 #define WEIGHTP_LONGTEXT N_(" Weighted prediction for P-frames: "\
260 " - 1: Blind offset\n"\
261 " - 2: Smart analysis\n" )
263 #define ME_TEXT N_("Integer pixel motion estimation method")
264 #define ME_LONGTEXT N_( "Selects the motion estimation algorithm: "\
265 " - dia: diamond search, radius 1 (fast)\n" \
266 " - hex: hexagonal search, radius 2\n" \
267 " - umh: uneven multi-hexagon search (better but slower)\n" \
268 " - esa: exhaustive search (extremely slow, primarily for testing)\n" \
269 " - tesa: hadamard exhaustive search (extremely slow, primarily for testing)\n" )
271 #define MERANGE_TEXT N_("Maximum motion vector search range")
272 #define MERANGE_LONGTEXT N_( "Maximum distance to search for " \
273 "motion estimation, measured from predicted position(s). " \
274 "Default of 16 is good for most footage, high motion sequences may " \
275 "benefit from settings between 24 and 32. Range 0 to 64." )
277 #define MVRANGE_TEXT N_("Maximum motion vector length")
278 #define MVRANGE_LONGTEXT N_( "Maximum motion vector length in pixels. " \
279 "-1 is automatic, based on level." )
281 #define MVRANGE_THREAD_TEXT N_("Minimum buffer space between threads")
282 #define MVRANGE_THREAD_LONGTEXT N_( "Minimum buffer space between threads. " \
283 "-1 is automatic, based on number of threads." )
285 #define PSY_RD_TEXT N_( "Strength of psychovisual optimization, default is \"1.0:0.0\"")
286 #define PSY_RD_LONGTEXT N_( "First parameter controls if RD is on (subme>=6) or off"\
287 "second parameter controls if Trellis is used on psychovisual optimization," \
290 #define SUBME_TEXT N_("Subpixel motion estimation and partition decision " \
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." )
296 #define B_RDO_TEXT N_("RD based mode decision for B-frames")
297 #define B_RDO_LONGTEXT N_( "RD based mode decision for B-frames. This " \
298 "requires subme 6 (or higher).")
300 #define MIXED_REFS_TEXT N_("Decide references on a per partition basis")
301 #define MIXED_REFS_LONGTEXT N_( "Allows each 8x8 or 16x8 partition to " \
302 "independently select a reference frame, as opposed to only one ref " \
305 #define CHROMA_ME_TEXT N_("Chroma in motion estimation")
306 #define CHROMA_ME_LONGTEXT N_( "Chroma ME for subpel and mode decision in " \
309 #define BIME_TEXT N_("Jointly optimize both MVs in B-frames")
310 #define BIME_LONGTEXT N_( "Joint bidirectional motion refinement.")
312 #define TRANSFORM_8X8DCT_TEXT N_("Adaptive spatial transform size")
313 #define TRANSFORM_8X8DCT_LONGTEXT N_( \
314 "SATD-based decision for 8x8 transform in inter-MBs.")
316 #define TRELLIS_TEXT N_("Trellis RD quantization" )
317 #define TRELLIS_LONGTEXT N_( "Trellis RD quantization: \n" \
319 " - 1: enabled only on the final encode of a MB\n" \
320 " - 2: enabled on all mode decisions\n" \
321 "This requires CABAC." )
323 #define FAST_PSKIP_TEXT N_("Early SKIP detection on P-frames")
324 #define FAST_PSKIP_LONGTEXT N_( "Early SKIP detection on P-frames.")
326 #define DCT_DECIMATE_TEXT N_("Coefficient thresholding on P-frames")
327 #define DCT_DECIMATE_LONGTEXT N_( "Coefficient thresholding on P-frames." \
328 "Eliminate dct blocks containing only a small single coefficient.")
330 #define PSY_TEXT N_("Use Psy-optimizations")
331 #define PSY_LONGTEXT N_("Use all visual optimizations that can worsen both PSNR and SSIM")
333 /* Noise reduction 1 is too weak to measure, suggest at least 10 */
334 #define NR_TEXT N_("Noise reduction")
335 #define NR_LONGTEXT N_( "Dct-domain noise reduction. Adaptive pseudo-deadzone. " \
336 "10 to 1000 seems to be a useful range." )
338 #define DEADZONE_INTER_TEXT N_("Inter luma quantization deadzone")
339 #define DEADZONE_INTER_LONGTEXT N_( "Set the size of the inter luma quantization deadzone. " \
342 #define DEADZONE_INTRA_TEXT N_("Intra luma quantization deadzone")
343 #define DEADZONE_INTRA_LONGTEXT N_( "Set the size of the intra luma quantization deadzone. " \
348 #define NON_DETERMINISTIC_TEXT N_("Non-deterministic optimizations when threaded")
349 #define NON_DETERMINISTIC_LONGTEXT N_( "Slightly improve quality of SMP, " \
350 "at the cost of repeatability.")
352 #define ASM_TEXT N_("CPU optimizations")
353 #define ASM_LONGTEXT N_( "Use assembler CPU optimizations.")
355 #define STATS_TEXT N_("Filename for 2 pass stats file")
356 #define STATS_LONGTEXT N_( "Filename for 2 pass stats file for multi-pass encoding.")
358 #define PSNR_TEXT N_("PSNR computation")
359 #define PSNR_LONGTEXT N_( "Compute and print PSNR stats. This has no effect on " \
360 "the actual encoding quality." )
362 #define SSIM_TEXT N_("SSIM computation")
363 #define SSIM_LONGTEXT N_( "Compute and print SSIM stats. This has no effect on " \
364 "the actual encoding quality." )
366 #define QUIET_TEXT N_("Quiet mode")
367 #define QUIET_LONGTEXT N_( "Quiet mode.")
369 #define VERBOSE_TEXT N_("Statistics")
370 #define VERBOSE_LONGTEXT N_( "Print stats for each frame.")
372 #define SPS_ID_TEXT N_("SPS and PPS id numbers")
373 #define SPS_ID_LONGTEXT N_( "Set SPS and PPS id numbers to allow concatenating " \
374 "streams with different settings.")
376 #define AUD_TEXT N_("Access unit delimiters")
377 #define AUD_LONGTEXT N_( "Generate access unit delimiter NAL units.")
379 #define LOOKAHEAD_TEXT N_("Framecount to use on frametype lookahead")
380 #define LOOKAHEAD_LONGTEXT N_("Framecount to use on frametype lookahead. " \
381 "Currently default is lower than x264 default because unmuxable output" \
382 "doesn't handle larger values that well yet" )
384 #define HRD_TEXT N_("HRD-timing information")
385 #define HRD_LONGTEXT N_("HRD-timing information")
387 #define TUNE_TEXT N_("Tune the settings for a particular type of source or situation. " \
388 "Overridden by user settings." )
389 #define PRESET_TEXT N_("Use preset as default settings. Overridden by user settings." )
391 static const char *const enc_me_list
[] =
392 { "dia", "hex", "umh", "esa", "tesa" };
393 static const char *const enc_me_list_text
[] =
394 { N_("dia"), N_("hex"), N_("umh"), N_("esa"), N_("tesa") };
396 static const char *const profile_list
[] =
397 { "baseline", "main", "high" };
399 static const char *const bpyramid_list
[] =
400 { "none", "strict", "normal" };
402 static const char *const enc_analyse_list
[] =
403 { "none", "fast", "normal", "slow", "all" };
404 static const char *const enc_analyse_list_text
[] =
405 { N_("none"), N_("fast"), N_("normal"), N_("slow"), N_("all") };
407 static const char *const direct_pred_list
[] =
408 { "none", "spatial", "temporal", "auto" };
409 static const char *const direct_pred_list_text
[] =
410 { N_("none"), N_("spatial"), N_("temporal"), N_("auto") };
413 set_description( N_("H.264/MPEG4 AVC encoder (x264)"))
414 set_capability( "encoder", 200 )
415 set_callbacks( Open
, Close
)
416 set_category( CAT_INPUT
)
417 set_subcategory( SUBCAT_INPUT_VCODEC
)
419 /* Frame-type options */
421 add_integer( SOUT_CFG_PREFIX
"keyint", 250, NULL
, KEYINT_TEXT
,
422 KEYINT_LONGTEXT
, false )
424 add_integer( SOUT_CFG_PREFIX
"min-keyint", 25, NULL
, MIN_KEYINT_TEXT
,
425 MIN_KEYINT_LONGTEXT
, false )
427 #if X264_BUILD >= 102
428 add_string( SOUT_CFG_PREFIX
"opengop", "none", NULL
, OPENGOP_TEXT
,
429 OPENGOP_LONGTEXT
,false )
430 change_string_list( x264_open_gop_names
, x264_open_gop_names
, 0 );
433 add_integer( SOUT_CFG_PREFIX
"scenecut", 40, NULL
, SCENE_TEXT
,
434 SCENE_LONGTEXT
, false )
435 change_integer_range( -1, 100 )
437 add_obsolete_bool( SOUT_CFG_PREFIX
"pre-scenecut" )
439 add_integer( SOUT_CFG_PREFIX
"bframes", 3, NULL
, BFRAMES_TEXT
,
440 BFRAMES_LONGTEXT
, false )
441 change_integer_range( 0, 16 )
443 add_integer( SOUT_CFG_PREFIX
"b-adapt", 1, NULL
, B_ADAPT_TEXT
,
444 B_ADAPT_LONGTEXT
, false )
445 change_integer_range( 0, 2 )
447 add_integer( SOUT_CFG_PREFIX
"b-bias", 0, NULL
, B_BIAS_TEXT
,
448 B_BIAS_LONGTEXT
, false )
449 change_integer_range( -100, 100 )
452 add_string( SOUT_CFG_PREFIX
"bpyramid", "normal", NULL
, BPYRAMID_TEXT
,
453 BPYRAMID_LONGTEXT
, false )
455 add_string( SOUT_CFG_PREFIX
"bpyramid", "none", NULL
, BPYRAMID_TEXT
,
456 BPYRAMID_LONGTEXT
, false )
458 change_string_list( bpyramid_list
, bpyramid_list
, 0 );
460 add_bool( SOUT_CFG_PREFIX
"cabac", true, NULL
, CABAC_TEXT
, CABAC_LONGTEXT
,
463 add_integer( SOUT_CFG_PREFIX
"ref", 3, NULL
, REF_TEXT
,
464 REF_LONGTEXT
, false )
465 change_integer_range( 1, 16 )
467 add_bool( SOUT_CFG_PREFIX
"nf", false, NULL
, NF_TEXT
,
470 add_string( SOUT_CFG_PREFIX
"deblock", "0:0", NULL
, FILTER_TEXT
,
471 FILTER_LONGTEXT
, false )
473 add_string( SOUT_CFG_PREFIX
"psy-rd", "1.0:0.0", NULL
, PSY_RD_TEXT
,
474 PSY_RD_LONGTEXT
, false )
476 add_bool( SOUT_CFG_PREFIX
"psy", true, NULL
, PSY_TEXT
, PSY_LONGTEXT
, false )
478 add_string( SOUT_CFG_PREFIX
"level", "0", NULL
, LEVEL_TEXT
,
479 LEVEL_LONGTEXT
, false )
481 add_string( SOUT_CFG_PREFIX
"profile", "high", NULL
, PROFILE_TEXT
,
482 PROFILE_LONGTEXT
, false )
483 change_string_list( x264_profile_names
, x264_profile_names
, 0 );
485 add_bool( SOUT_CFG_PREFIX
"interlaced", false, NULL
, INTERLACED_TEXT
, INTERLACED_LONGTEXT
,
488 add_integer( SOUT_CFG_PREFIX
"slices", 0, NULL
, SLICE_COUNT
, SLICE_COUNT_LONGTEXT
, false )
489 add_integer( SOUT_CFG_PREFIX
"slice-max-size", 0, NULL
, SLICE_MAX_SIZE
, SLICE_MAX_SIZE_LONGTEXT
, false )
490 add_integer( SOUT_CFG_PREFIX
"slice-max-mbs", 0, NULL
, SLICE_MAX_MBS
, SLICE_MAX_MBS_LONGTEXT
, false )
493 add_string( SOUT_CFG_PREFIX
"hrd", "none", NULL
, HRD_TEXT
, HRD_LONGTEXT
, false )
494 change_string_list( x264_nal_hrd_names
, x264_nal_hrd_names
, 0 );
500 add_integer( SOUT_CFG_PREFIX
"qp", -1, NULL
, QP_TEXT
, QP_LONGTEXT
,
502 change_integer_range( -1, 51 ) /* QP 0 -> lossless encoding */
504 add_integer( SOUT_CFG_PREFIX
"crf", 23, NULL
, CRF_TEXT
,
505 CRF_LONGTEXT
, false )
506 change_integer_range( 0, 51 )
508 add_integer( SOUT_CFG_PREFIX
"qpmin", 10, NULL
, QPMIN_TEXT
,
509 QPMIN_LONGTEXT
, false )
510 change_integer_range( 0, 51 )
512 add_integer( SOUT_CFG_PREFIX
"qpmax", 51, NULL
, QPMAX_TEXT
,
513 QPMAX_LONGTEXT
, false )
514 change_integer_range( 0, 51 )
516 add_integer( SOUT_CFG_PREFIX
"qpstep", 4, NULL
, QPSTEP_TEXT
,
517 QPSTEP_LONGTEXT
, false )
518 change_integer_range( 0, 51 )
520 add_float( SOUT_CFG_PREFIX
"ratetol", 1.0, NULL
, RATETOL_TEXT
,
521 RATETOL_LONGTEXT
, false )
522 change_float_range( 0, 100 )
524 add_integer( SOUT_CFG_PREFIX
"vbv-maxrate", 0, NULL
, VBV_MAXRATE_TEXT
,
525 VBV_MAXRATE_LONGTEXT
, false )
527 add_integer( SOUT_CFG_PREFIX
"vbv-bufsize", 0, NULL
, VBV_BUFSIZE_TEXT
,
528 VBV_BUFSIZE_LONGTEXT
, false )
530 add_float( SOUT_CFG_PREFIX
"vbv-init", 0.9, NULL
, VBV_INIT_TEXT
,
531 VBV_INIT_LONGTEXT
, false )
532 change_float_range( 0, 1 )
534 add_float( SOUT_CFG_PREFIX
"ipratio", 1.40, NULL
, IPRATIO_TEXT
,
535 IPRATIO_LONGTEXT
, false )
536 change_float_range( 1, 2 )
538 add_float( SOUT_CFG_PREFIX
"pbratio", 1.30, NULL
, PBRATIO_TEXT
,
539 PBRATIO_LONGTEXT
, false )
540 change_float_range( 1, 2 )
542 add_integer( SOUT_CFG_PREFIX
"chroma-qp-offset", 0, NULL
, CHROMA_QP_OFFSET_TEXT
,
543 CHROMA_QP_OFFSET_LONGTEXT
, false )
545 add_integer( SOUT_CFG_PREFIX
"pass", 0, NULL
, PASS_TEXT
,
546 PASS_LONGTEXT
, false )
547 change_integer_range( 0, 3 )
549 add_float( SOUT_CFG_PREFIX
"qcomp", 0.60, NULL
, QCOMP_TEXT
,
550 QCOMP_LONGTEXT
, false )
551 change_float_range( 0, 1 )
553 add_float( SOUT_CFG_PREFIX
"cplxblur", 20.0, NULL
, CPLXBLUR_TEXT
,
554 CPLXBLUR_LONGTEXT
, false )
556 add_float( SOUT_CFG_PREFIX
"qblur", 0.5, NULL
, QBLUR_TEXT
,
557 QBLUR_LONGTEXT
, false )
559 add_integer( SOUT_CFG_PREFIX
"aq-mode", X264_AQ_VARIANCE
, NULL
, AQ_MODE_TEXT
,
560 AQ_MODE_LONGTEXT
, false )
561 change_integer_range( 0, 2 )
562 add_float( SOUT_CFG_PREFIX
"aq-strength", 1.0, NULL
, AQ_STRENGTH_TEXT
,
563 AQ_STRENGTH_LONGTEXT
, false )
567 /* x264 partitions = none (default). set at least "normal" mode. */
568 add_string( SOUT_CFG_PREFIX
"partitions", "normal", NULL
, ANALYSE_TEXT
,
569 ANALYSE_LONGTEXT
, false )
570 change_string_list( enc_analyse_list
, enc_analyse_list_text
, 0 );
572 add_string( SOUT_CFG_PREFIX
"direct", "spatial", NULL
, DIRECT_PRED_TEXT
,
573 DIRECT_PRED_LONGTEXT
, false )
574 change_string_list( direct_pred_list
, direct_pred_list_text
, 0 );
576 add_integer( SOUT_CFG_PREFIX
"direct-8x8", 1, NULL
, DIRECT_PRED_SIZE_TEXT
,
577 DIRECT_PRED_SIZE_LONGTEXT
, false )
578 change_integer_range( -1, 1 )
580 add_bool( SOUT_CFG_PREFIX
"weightb", true, NULL
, WEIGHTB_TEXT
,
581 WEIGHTB_LONGTEXT
, false )
583 add_integer( SOUT_CFG_PREFIX
"weightp", 2, NULL
, WEIGHTP_TEXT
,
584 WEIGHTP_LONGTEXT
, false )
585 change_integer_range( 0, 2 )
587 add_string( SOUT_CFG_PREFIX
"me", "hex", NULL
, ME_TEXT
,
589 change_string_list( enc_me_list
, enc_me_list_text
, 0 );
591 add_integer( SOUT_CFG_PREFIX
"merange", 16, NULL
, MERANGE_TEXT
,
592 MERANGE_LONGTEXT
, false )
593 change_integer_range( 1, 64 )
595 add_integer( SOUT_CFG_PREFIX
"mvrange", -1, NULL
, MVRANGE_TEXT
,
596 MVRANGE_LONGTEXT
, false )
598 add_integer( SOUT_CFG_PREFIX
"mvrange-thread", -1, NULL
, MVRANGE_THREAD_TEXT
,
599 MVRANGE_THREAD_LONGTEXT
, false )
601 add_integer( SOUT_CFG_PREFIX
"subme", 7, NULL
, SUBME_TEXT
,
602 SUBME_LONGTEXT
, false )
604 add_obsolete_bool( SOUT_CFG_PREFIX
"b-rdo" )
606 add_bool( SOUT_CFG_PREFIX
"mixed-refs", true, NULL
, MIXED_REFS_TEXT
,
607 MIXED_REFS_LONGTEXT
, false )
609 add_bool( SOUT_CFG_PREFIX
"chroma-me", true, NULL
, CHROMA_ME_TEXT
,
610 CHROMA_ME_LONGTEXT
, false )
612 add_obsolete_bool( SOUT_CFG_PREFIX
"bime" )
614 add_bool( SOUT_CFG_PREFIX
"8x8dct", true, NULL
, TRANSFORM_8X8DCT_TEXT
,
615 TRANSFORM_8X8DCT_LONGTEXT
, false )
617 add_integer( SOUT_CFG_PREFIX
"trellis", 1, NULL
, TRELLIS_TEXT
,
618 TRELLIS_LONGTEXT
, false )
619 change_integer_range( 0, 2 )
621 add_integer( SOUT_CFG_PREFIX
"lookahead", 5, NULL
, LOOKAHEAD_TEXT
,
622 LOOKAHEAD_LONGTEXT
, false )
623 change_integer_range( 0, 60 )
625 add_bool( SOUT_CFG_PREFIX
"intra-refresh", false, NULL
, INTRAREFRESH_TEXT
,
626 INTRAREFRESH_LONGTEXT
, false )
628 add_bool( SOUT_CFG_PREFIX
"mbtree", true, NULL
, MBTREE_TEXT
, MBTREE_LONGTEXT
, false )
630 add_bool( SOUT_CFG_PREFIX
"fast-pskip", true, NULL
, FAST_PSKIP_TEXT
,
631 FAST_PSKIP_LONGTEXT
, false )
633 add_bool( SOUT_CFG_PREFIX
"dct-decimate", true, NULL
, DCT_DECIMATE_TEXT
,
634 DCT_DECIMATE_LONGTEXT
, false )
636 add_integer( SOUT_CFG_PREFIX
"nr", 0, NULL
, NR_TEXT
,
638 change_integer_range( 0, 1000 )
640 add_integer( SOUT_CFG_PREFIX
"deadzone-inter", 21, NULL
, DEADZONE_INTER_TEXT
,
641 DEADZONE_INTRA_LONGTEXT
, false )
642 change_integer_range( 0, 32 )
644 add_integer( SOUT_CFG_PREFIX
"deadzone-intra", 11, NULL
, DEADZONE_INTRA_TEXT
,
645 DEADZONE_INTRA_LONGTEXT
, false )
646 change_integer_range( 0, 32 )
650 add_bool( SOUT_CFG_PREFIX
"non-deterministic", false, NULL
, NON_DETERMINISTIC_TEXT
,
651 NON_DETERMINISTIC_LONGTEXT
, false )
653 add_bool( SOUT_CFG_PREFIX
"asm", true, NULL
, ASM_TEXT
,
654 ASM_LONGTEXT
, false )
656 /* x264 psnr = 1 (default). disable PSNR computation for speed. */
657 add_bool( SOUT_CFG_PREFIX
"psnr", false, NULL
, PSNR_TEXT
,
658 PSNR_LONGTEXT
, false )
660 /* x264 ssim = 1 (default). disable SSIM computation for speed. */
661 add_bool( SOUT_CFG_PREFIX
"ssim", false, NULL
, SSIM_TEXT
,
662 SSIM_LONGTEXT
, false )
664 add_bool( SOUT_CFG_PREFIX
"quiet", false, NULL
, QUIET_TEXT
,
665 QUIET_LONGTEXT
, false )
667 add_integer( SOUT_CFG_PREFIX
"sps-id", 0, NULL
, SPS_ID_TEXT
,
668 SPS_ID_LONGTEXT
, false )
670 add_bool( SOUT_CFG_PREFIX
"aud", false, NULL
, AUD_TEXT
,
671 AUD_LONGTEXT
, false )
673 add_bool( SOUT_CFG_PREFIX
"verbose", false, NULL
, VERBOSE_TEXT
,
674 VERBOSE_LONGTEXT
, false )
676 add_string( SOUT_CFG_PREFIX
"stats", "x264_2pass.log", NULL
, STATS_TEXT
,
677 STATS_LONGTEXT
, false )
679 add_string( SOUT_CFG_PREFIX
"preset", NULL
, NULL
, PRESET_TEXT
, PRESET_TEXT
, false )
680 change_string_list( x264_preset_names
, x264_preset_names
, 0 );
681 add_string( SOUT_CFG_PREFIX
"tune", NULL
, NULL
, TUNE_TEXT
, TUNE_TEXT
, false )
682 change_string_list( x264_tune_names
, x264_tune_names
, 0 );
686 /*****************************************************************************
688 *****************************************************************************/
689 static const char *const ppsz_sout_options
[] = {
690 "8x8dct", "asm", "aud", "bframes", "bime", "bpyramid",
691 "b-adapt", "b-bias", "b-rdo", "cabac", "chroma-me", "chroma-qp-offset",
692 "cplxblur", "crf", "dct-decimate", "deadzone-inter", "deadzone-intra",
693 "deblock", "direct", "direct-8x8", "fast-pskip",
694 "interlaced", "ipratio", "keyint", "level",
695 "me", "merange", "min-keyint", "mixed-refs", "mvrange", "mvrange-thread",
696 "nf", "non-deterministic", "nr", "partitions", "pass", "pbratio",
697 "pre-scenecut", "psnr", "qblur", "qp", "qcomp", "qpstep", "qpmax",
698 "qpmin", "quiet", "ratetol", "ref", "scenecut",
699 "sps-id", "ssim", "stats", "subme", "trellis",
700 "verbose", "vbv-bufsize", "vbv-init", "vbv-maxrate", "weightb", "weightp",
701 "aq-mode", "aq-strength", "psy-rd", "psy", "profile", "lookahead", "slices",
702 "slice-max-size", "slice-max-mbs", "intra-refresh", "mbtree", "hrd",
703 "tune","preset", "opengop", NULL
706 static block_t
*Encode( encoder_t
*, picture_t
* );
713 mtime_t i_initial_delay
;
718 #ifdef PTW32_STATIC_LIB
719 static vlc_mutex_t pthread_win32_mutex
= VLC_STATIC_MUTEX
;
720 static int pthread_win32_count
= 0;
723 /*****************************************************************************
724 * Open: probe the encoder
725 *****************************************************************************/
726 static int Open ( vlc_object_t
*p_this
)
728 encoder_t
*p_enc
= (encoder_t
*)p_this
;
729 encoder_sys_t
*p_sys
;
732 int i_qmin
= 0, i_qmax
= 0;
736 if( p_enc
->fmt_out
.i_codec
!= VLC_CODEC_H264
&&
741 /* X264_POINTVER or X264_VERSION are not available */
742 msg_Dbg ( p_enc
, "version x264 0.%d.X", X264_BUILD
);
744 config_ChainParse( p_enc
, SOUT_CFG_PREFIX
, ppsz_sout_options
, p_enc
->p_cfg
);
746 p_enc
->fmt_out
.i_cat
= VIDEO_ES
;
747 p_enc
->fmt_out
.i_codec
= VLC_CODEC_H264
;
748 p_enc
->fmt_in
.i_codec
= VLC_CODEC_I420
;
750 p_enc
->pf_encode_video
= Encode
;
751 p_enc
->pf_encode_audio
= NULL
;
752 p_enc
->p_sys
= p_sys
= malloc( sizeof( encoder_sys_t
) );
755 p_sys
->i_initial_delay
= 0;
756 p_sys
->psz_stat_name
= NULL
;
758 x264_param_default( &p_sys
->param
);
759 char *psz_preset
= var_GetString( p_enc
, SOUT_CFG_PREFIX
"preset" );
760 char *psz_tune
= var_GetString( p_enc
, SOUT_CFG_PREFIX
"tune" );
761 if( *psz_preset
== '\0' )
766 x264_param_default_preset( &p_sys
->param
, psz_preset
, psz_tune
);
769 p_sys
->param
.i_width
= p_enc
->fmt_in
.video
.i_width
;
770 p_sys
->param
.i_height
= p_enc
->fmt_in
.video
.i_height
;
772 if( fabs(var_GetFloat( p_enc
, SOUT_CFG_PREFIX
"qcomp" ) - 0.60) > 0.005 )
773 p_sys
->param
.rc
.f_qcompress
= var_GetFloat( p_enc
, SOUT_CFG_PREFIX
"qcomp" );
775 /* transcode-default bitrate is 0,
776 * set more to ABR if user specifies bitrate */
777 if( p_enc
->fmt_out
.i_bitrate
> 0 )
779 p_sys
->param
.rc
.i_bitrate
= p_enc
->fmt_out
.i_bitrate
/ 1000;
780 p_sys
->param
.rc
.i_rc_method
= X264_RC_ABR
;
782 else /* Set default to CRF */
784 i_val
= var_GetInteger( p_enc
, SOUT_CFG_PREFIX
"crf" );
785 if( i_val
> 0 && i_val
<= 51 )
787 p_sys
->param
.rc
.f_rf_constant
= i_val
;
788 p_sys
->param
.rc
.i_rc_method
= X264_RC_CRF
;
792 i_val
= var_GetInteger( p_enc
, SOUT_CFG_PREFIX
"qpstep" );
793 if( i_val
>= 0 && i_val
<= 51 ) p_sys
->param
.rc
.i_qp_step
= i_val
;
795 i_val
= var_GetInteger( p_enc
, SOUT_CFG_PREFIX
"qpmin" );
796 if( i_val
>= 0 && i_val
<= 51 )
799 p_sys
->param
.rc
.i_qp_min
= i_qmin
;
801 i_val
= var_GetInteger( p_enc
, SOUT_CFG_PREFIX
"qpmax" );
802 if( i_val
>= 0 && i_val
<= 51 )
805 p_sys
->param
.rc
.i_qp_max
= i_qmax
;
808 i_val
= var_GetInteger( p_enc
, SOUT_CFG_PREFIX
"qp" );
809 if( i_val
>= 0 && i_val
<= 51 )
811 if( i_qmin
> i_val
) i_qmin
= i_val
;
812 if( i_qmax
< i_val
) i_qmax
= i_val
;
814 /* User defined QP-value, so change ratecontrol method */
815 p_sys
->param
.rc
.i_rc_method
= X264_RC_CQP
;
816 p_sys
->param
.rc
.i_qp_constant
= i_val
;
817 p_sys
->param
.rc
.i_qp_min
= i_qmin
;
818 p_sys
->param
.rc
.i_qp_max
= i_qmax
;
822 p_sys
->param
.rc
.f_rate_tolerance
= var_GetFloat( p_enc
,
823 SOUT_CFG_PREFIX
"ratetol" );
824 p_sys
->param
.rc
.f_vbv_buffer_init
= var_GetFloat( p_enc
,
825 SOUT_CFG_PREFIX
"vbv-init" );
826 p_sys
->param
.rc
.i_vbv_buffer_size
= var_GetInteger( p_enc
,
827 SOUT_CFG_PREFIX
"vbv-bufsize" );
829 /* max bitrate = average bitrate -> CBR */
830 i_val
= var_GetInteger( p_enc
, SOUT_CFG_PREFIX
"vbv-maxrate" );
832 if( !i_val
&& p_sys
->param
.rc
.i_rc_method
== X264_RC_ABR
)
833 p_sys
->param
.rc
.i_vbv_max_bitrate
= p_sys
->param
.rc
.i_bitrate
;
835 p_sys
->param
.rc
.i_vbv_max_bitrate
= i_val
;
838 if( !var_GetBool( p_enc
, SOUT_CFG_PREFIX
"cabac" ) )
839 p_sys
->param
.b_cabac
= var_GetBool( p_enc
, SOUT_CFG_PREFIX
"cabac" );
841 /* disable deblocking when nf (no loop filter) is enabled */
842 if( var_GetBool( p_enc
, SOUT_CFG_PREFIX
"nf" ) )
843 p_sys
->param
.b_deblocking_filter
= !var_GetBool( p_enc
, SOUT_CFG_PREFIX
"nf" );
845 psz_val
= var_GetString( p_enc
, SOUT_CFG_PREFIX
"deblock" );
848 if( atoi( psz_val
) != 0 )
850 char *p
= strchr( psz_val
, ':' );
851 p_sys
->param
.i_deblocking_filter_alphac0
= atoi( psz_val
);
852 p_sys
->param
.i_deblocking_filter_beta
= p
?
853 atoi( p
+1 ) : p_sys
->param
.i_deblocking_filter_alphac0
;
858 psz_val
= var_GetString( p_enc
, SOUT_CFG_PREFIX
"psy-rd" );
861 if( us_atof( psz_val
) != 1.0 )
863 char *p
= strchr( psz_val
, ':' );
864 p_sys
->param
.analyse
.f_psy_rd
= us_atof( psz_val
);
865 p_sys
->param
.analyse
.f_psy_trellis
= p
? us_atof( p
+1 ) : 0;
870 if( !var_GetBool( p_enc
, SOUT_CFG_PREFIX
"psy" ) )
871 p_sys
->param
.analyse
.b_psy
= var_GetBool( p_enc
, SOUT_CFG_PREFIX
"psy" );
873 psz_val
= var_GetString( p_enc
, SOUT_CFG_PREFIX
"level" );
876 if( us_atof (psz_val
) < 6 && us_atof (psz_val
) > 0 )
877 p_sys
->param
.i_level_idc
= (int) (10 * us_atof (psz_val
)
879 else if( atoi(psz_val
) >= 10 && atoi(psz_val
) <= 51 )
880 p_sys
->param
.i_level_idc
= atoi (psz_val
);
884 p_sys
->param
.b_interlaced
= var_GetBool( p_enc
, SOUT_CFG_PREFIX
"interlaced" );
885 if( fabs(var_GetFloat( p_enc
, SOUT_CFG_PREFIX
"ipratio" ) - 1.4) > 0.005 )
886 p_sys
->param
.rc
.f_ip_factor
= var_GetFloat( p_enc
, SOUT_CFG_PREFIX
"ipratio" );
887 if( fabs(var_GetFloat( p_enc
, SOUT_CFG_PREFIX
"pbratio" ) - 1.3 ) > 0.005 )
888 p_sys
->param
.rc
.f_pb_factor
= var_GetFloat( p_enc
, SOUT_CFG_PREFIX
"pbratio" );
889 p_sys
->param
.rc
.f_complexity_blur
= var_GetFloat( p_enc
, SOUT_CFG_PREFIX
"cplxblur" );
890 p_sys
->param
.rc
.f_qblur
= var_GetFloat( p_enc
, SOUT_CFG_PREFIX
"qblur" );
891 if( var_GetInteger( p_enc
, SOUT_CFG_PREFIX
"aq-mode" ) != X264_AQ_VARIANCE
)
892 p_sys
->param
.rc
.i_aq_mode
= var_GetInteger( p_enc
, SOUT_CFG_PREFIX
"aq-mode" );
893 if( fabs( var_GetFloat( p_enc
, SOUT_CFG_PREFIX
"aq-strength" ) - 1.0) > 0.005 )
894 p_sys
->param
.rc
.f_aq_strength
= var_GetFloat( p_enc
, SOUT_CFG_PREFIX
"aq-strength" );
896 if( var_GetBool( p_enc
, SOUT_CFG_PREFIX
"verbose" ) )
897 p_sys
->param
.i_log_level
= X264_LOG_DEBUG
;
899 if( var_GetBool( p_enc
, SOUT_CFG_PREFIX
"quiet" ) )
900 p_sys
->param
.i_log_level
= X264_LOG_NONE
;
902 i_val
= var_GetInteger( p_enc
, SOUT_CFG_PREFIX
"sps-id" );
903 if( i_val
>= 0 ) p_sys
->param
.i_sps_id
= i_val
;
905 if( var_GetBool( p_enc
, SOUT_CFG_PREFIX
"aud" ) )
906 p_sys
->param
.b_aud
= true;
908 i_val
= var_GetInteger( p_enc
, SOUT_CFG_PREFIX
"keyint" );
909 if( i_val
> 0 && i_val
!= 250 ) p_sys
->param
.i_keyint_max
= i_val
;
911 i_val
= var_GetInteger( p_enc
, SOUT_CFG_PREFIX
"min-keyint" );
912 if( i_val
> 0 && i_val
!= 25 ) p_sys
->param
.i_keyint_min
= i_val
;
914 #if X264_BUILD >= 102
915 psz_val
= var_GetString( p_enc
, SOUT_CFG_PREFIX
"opengop" );
916 if( !strcmp( psz_val
, "none" ) )
917 p_sys
->param
.i_open_gop
= X264_OPEN_GOP_NONE
;
918 else if( !strcmp( psz_val
, "normal" ) )
919 p_sys
->param
.i_open_gop
= X264_OPEN_GOP_NORMAL
;
920 else if( !strcmp( psz_val
, "bluray" ) )
921 p_sys
->param
.i_open_gop
= X264_OPEN_GOP_BLURAY
;
924 i_val
= var_GetInteger( p_enc
, SOUT_CFG_PREFIX
"bframes" );
925 if( i_val
>= 0 && i_val
<= 16 && i_val
!= 3 )
926 p_sys
->param
.i_bframe
= i_val
;
928 p_sys
->param
.b_intra_refresh
= var_GetBool( p_enc
, SOUT_CFG_PREFIX
"intra-refresh" );
930 psz_val
= var_GetString( p_enc
, SOUT_CFG_PREFIX
"bpyramid" );
931 if( !strcmp( psz_val
, "normal" ) )
933 p_sys
->param
.i_bframe_pyramid
= X264_B_PYRAMID_NORMAL
;
935 else if ( !strcmp( psz_val
, "strict" ) )
937 p_sys
->param
.i_bframe_pyramid
= X264_B_PYRAMID_STRICT
;
939 else if ( !strcmp( psz_val
, "none" ) )
941 p_sys
->param
.i_bframe_pyramid
= X264_B_PYRAMID_NONE
;
946 i_val
= var_GetInteger( p_enc
, SOUT_CFG_PREFIX
"ref" );
947 if( i_val
> 0 && i_val
<= 15 && i_val
!= 3 )
948 p_sys
->param
.i_frame_reference
= i_val
;
950 i_val
= var_GetInteger( p_enc
, SOUT_CFG_PREFIX
"scenecut" );
951 if( i_val
>= -1 && i_val
<= 100 && i_val
!= 40 )
952 p_sys
->param
.i_scenecut_threshold
= i_val
;
954 p_sys
->param
.b_deterministic
= var_GetBool( p_enc
,
955 SOUT_CFG_PREFIX
"non-deterministic" );
957 i_val
= var_GetInteger( p_enc
, SOUT_CFG_PREFIX
"subme" );
958 if( i_val
>= 1 && i_val
!= 7 )
959 p_sys
->param
.analyse
.i_subpel_refine
= i_val
;
962 psz_val
= var_GetString( p_enc
, SOUT_CFG_PREFIX
"hrd");
963 if( !strcmp( psz_val
, "vbr" ) )
964 p_sys
->param
.i_nal_hrd
= X264_NAL_HRD_VBR
;
965 else if( !strcmp( psz_val
, "cbr" ) )
966 p_sys
->param
.i_nal_hrd
= X264_NAL_HRD_CBR
;
970 //TODO: psz_val == NULL ?
971 psz_val
= var_GetString( p_enc
, SOUT_CFG_PREFIX
"me" );
972 if( psz_val
&& strcmp( psz_val
, "hex" ) )
974 if( !strcmp( psz_val
, "dia" ) )
976 p_sys
->param
.analyse
.i_me_method
= X264_ME_DIA
;
978 else if( !strcmp( psz_val
, "umh" ) )
980 p_sys
->param
.analyse
.i_me_method
= X264_ME_UMH
;
982 else if( !strcmp( psz_val
, "esa" ) )
984 p_sys
->param
.analyse
.i_me_method
= X264_ME_ESA
;
986 else if( !strcmp( psz_val
, "tesa" ) )
988 p_sys
->param
.analyse
.i_me_method
= X264_ME_TESA
;
993 i_val
= var_GetInteger( p_enc
, SOUT_CFG_PREFIX
"merange" );
994 if( i_val
>= 0 && i_val
<= 64 && i_val
!= 16 )
995 p_sys
->param
.analyse
.i_me_range
= i_val
;
997 p_sys
->param
.analyse
.i_mv_range
= var_GetInteger( p_enc
,
998 SOUT_CFG_PREFIX
"mvrange" );
999 p_sys
->param
.analyse
.i_mv_range_thread
= var_GetInteger( p_enc
,
1000 SOUT_CFG_PREFIX
"mvrange-thread" );
1002 psz_val
= var_GetString( p_enc
, SOUT_CFG_PREFIX
"direct" );
1003 if( !strcmp( psz_val
, "none" ) )
1005 p_sys
->param
.analyse
.i_direct_mv_pred
= X264_DIRECT_PRED_NONE
;
1007 else if( !strcmp( psz_val
, "spatial" ) )
1009 p_sys
->param
.analyse
.i_direct_mv_pred
= X264_DIRECT_PRED_SPATIAL
;
1011 else if( !strcmp( psz_val
, "temporal" ) )
1013 p_sys
->param
.analyse
.i_direct_mv_pred
= X264_DIRECT_PRED_TEMPORAL
;
1015 else if( !strcmp( psz_val
, "auto" ) )
1017 p_sys
->param
.analyse
.i_direct_mv_pred
= X264_DIRECT_PRED_AUTO
;
1021 p_sys
->param
.analyse
.b_psnr
= var_GetBool( p_enc
, SOUT_CFG_PREFIX
"psnr" );
1022 p_sys
->param
.analyse
.b_ssim
= var_GetBool( p_enc
, SOUT_CFG_PREFIX
"ssim" );
1023 if( !var_GetBool( p_enc
, SOUT_CFG_PREFIX
"weightb" ) )
1024 p_sys
->param
.analyse
.b_weighted_bipred
= var_GetBool( p_enc
,
1025 SOUT_CFG_PREFIX
"weightb" );
1026 if( var_GetInteger( p_enc
, SOUT_CFG_PREFIX
"weightp" ) != 2 )
1027 p_sys
->param
.analyse
.i_weighted_pred
= var_GetInteger( p_enc
, SOUT_CFG_PREFIX
"weightp" );
1029 i_val
= var_GetInteger( p_enc
, SOUT_CFG_PREFIX
"b-adapt" );
1031 p_sys
->param
.i_bframe_adaptive
= i_val
;
1033 i_val
= var_GetInteger( p_enc
, SOUT_CFG_PREFIX
"b-bias" );
1034 if( i_val
>= -100 && i_val
<= 100 && i_val
!= 0)
1035 p_sys
->param
.i_bframe_bias
= i_val
;
1037 p_sys
->param
.analyse
.b_chroma_me
= var_GetBool( p_enc
,
1038 SOUT_CFG_PREFIX
"chroma-me" );
1039 p_sys
->param
.analyse
.i_chroma_qp_offset
= var_GetInteger( p_enc
,
1040 SOUT_CFG_PREFIX
"chroma-qp-offset" );
1041 if( !var_GetBool( p_enc
, SOUT_CFG_PREFIX
"mixed-refs" ) )
1042 p_sys
->param
.analyse
.b_mixed_references
= var_GetBool( p_enc
,
1043 SOUT_CFG_PREFIX
"mixed-refs" );
1045 i_val
= var_GetInteger( p_enc
, SOUT_CFG_PREFIX
"trellis" );
1046 if( i_val
>= 0 && i_val
<= 2 && i_val
!= 1 )
1047 p_sys
->param
.analyse
.i_trellis
= i_val
;
1049 if( !var_GetBool( p_enc
, SOUT_CFG_PREFIX
"fast-pskip" ) )
1050 p_sys
->param
.analyse
.b_fast_pskip
= var_GetBool( p_enc
,
1051 SOUT_CFG_PREFIX
"fast-pskip" );
1053 i_val
= var_GetInteger( p_enc
, SOUT_CFG_PREFIX
"nr" );
1054 if( i_val
> 0 && i_val
<= 1000 )
1055 p_sys
->param
.analyse
.i_noise_reduction
= i_val
;
1057 if( !var_GetBool( p_enc
, SOUT_CFG_PREFIX
"dct-decimate" ) )
1058 p_sys
->param
.analyse
.b_dct_decimate
= var_GetBool( p_enc
,
1059 SOUT_CFG_PREFIX
"dct-decimate" );
1061 i_val
= var_GetInteger( p_enc
, SOUT_CFG_PREFIX
"deadzone-inter" );
1062 if( i_val
>= 0 && i_val
<= 32 && i_val
!= 21 )
1063 p_sys
->param
.analyse
.i_luma_deadzone
[0] = i_val
;
1065 i_val
= var_GetInteger( p_enc
, SOUT_CFG_PREFIX
"deadzone-intra" );
1066 if( i_val
>= 0 && i_val
<= 32 && i_val
!= 11)
1067 p_sys
->param
.analyse
.i_luma_deadzone
[1] = i_val
;
1069 if( !var_GetBool( p_enc
, SOUT_CFG_PREFIX
"asm" ) )
1070 p_sys
->param
.cpu
= 0;
1072 #ifndef X264_ANALYSE_BSUB16x16
1073 # define X264_ANALYSE_BSUB16x16 0
1075 psz_val
= var_GetString( p_enc
, SOUT_CFG_PREFIX
"partitions" );
1076 if( !strcmp( psz_val
, "none" ) )
1078 p_sys
->param
.analyse
.inter
= 0;
1080 else if( !strcmp( psz_val
, "fast" ) )
1082 p_sys
->param
.analyse
.inter
= X264_ANALYSE_I4x4
;
1084 else if( !strcmp( psz_val
, "normal" ) )
1086 p_sys
->param
.analyse
.inter
=
1088 X264_ANALYSE_PSUB16x16
;
1089 #ifdef X264_ANALYSE_I8x8
1090 p_sys
->param
.analyse
.inter
|= X264_ANALYSE_I8x8
;
1093 else if( !strcmp( psz_val
, "slow" ) )
1095 p_sys
->param
.analyse
.inter
=
1097 X264_ANALYSE_PSUB16x16
|
1098 X264_ANALYSE_BSUB16x16
;
1099 #ifdef X264_ANALYSE_I8x8
1100 p_sys
->param
.analyse
.inter
|= X264_ANALYSE_I8x8
;
1103 else if( !strcmp( psz_val
, "all" ) )
1105 p_sys
->param
.analyse
.inter
= ~0;
1109 if( !var_GetBool( p_enc
, SOUT_CFG_PREFIX
"8x8dct" ) )
1110 p_sys
->param
.analyse
.b_transform_8x8
= var_GetBool( p_enc
,
1111 SOUT_CFG_PREFIX
"8x8dct" );
1113 if( p_enc
->fmt_in
.video
.i_sar_num
> 0 &&
1114 p_enc
->fmt_in
.video
.i_sar_den
> 0 )
1116 unsigned int i_dst_num
, i_dst_den
;
1117 vlc_ureduce( &i_dst_num
, &i_dst_den
,
1118 p_enc
->fmt_in
.video
.i_sar_num
,
1119 p_enc
->fmt_in
.video
.i_sar_den
, 0 );
1120 p_sys
->param
.vui
.i_sar_width
= i_dst_num
;
1121 p_sys
->param
.vui
.i_sar_height
= i_dst_den
;
1124 if( p_enc
->fmt_in
.video
.i_frame_rate_base
> 0 )
1126 p_sys
->param
.i_fps_num
= p_enc
->fmt_in
.video
.i_frame_rate
;
1127 p_sys
->param
.i_fps_den
= p_enc
->fmt_in
.video
.i_frame_rate_base
;
1128 p_sys
->param
.b_vfr_input
= 0;
1131 /* Check slice-options */
1132 i_val
= var_GetInteger( p_enc
, SOUT_CFG_PREFIX
"slices" );
1134 p_sys
->param
.i_slice_count
= i_val
;
1135 i_val
= var_GetInteger( p_enc
, SOUT_CFG_PREFIX
"slice-max-size" );
1137 p_sys
->param
.i_slice_max_size
= i_val
;
1138 i_val
= var_GetInteger( p_enc
, SOUT_CFG_PREFIX
"slice-max-mbs" );
1140 p_sys
->param
.i_slice_max_mbs
= i_val
;
1143 /* x264 vbv-bufsize = 0 (default). if not provided set period
1144 in seconds for local maximum bitrate (cache/bufsize) based
1145 on average bitrate when use has told bitrate.
1146 vbv-buffer size is set to bitrate * secods between keyframes */
1147 if( !p_sys
->param
.rc
.i_vbv_buffer_size
&&
1148 p_sys
->param
.rc
.i_rc_method
== X264_RC_ABR
&&
1149 p_sys
->param
.i_fps_num
)
1151 p_sys
->param
.rc
.i_vbv_buffer_size
= p_sys
->param
.rc
.i_bitrate
*
1152 p_sys
->param
.i_fps_den
;
1153 p_sys
->param
.rc
.i_vbv_buffer_size
*= p_sys
->param
.i_keyint_max
;
1154 p_sys
->param
.rc
.i_vbv_buffer_size
/= p_sys
->param
.i_fps_num
;
1157 /* Check if user has given some profile (baseline,main,high) to limit
1158 * settings, and apply those*/
1159 psz_val
= var_GetString( p_enc
, SOUT_CFG_PREFIX
"profile" );
1162 if( !strcasecmp( psz_val
, "baseline" ) )
1164 msg_Dbg( p_enc
, "Limiting to baseline profile");
1165 p_sys
->param
.analyse
.b_transform_8x8
= 0;
1166 p_sys
->param
.b_cabac
= 0;
1167 p_sys
->param
.i_bframe
= 0;
1168 p_sys
->param
.analyse
.i_weighted_pred
= X264_WEIGHTP_NONE
;
1169 p_sys
->param
.i_bframe_pyramid
= X264_B_PYRAMID_NONE
;
1171 else if (!strcasecmp( psz_val
, "main" ) )
1173 msg_Dbg( p_enc
, "Limiting to main-profile");
1174 p_sys
->param
.analyse
.b_transform_8x8
= 0;
1176 /* high profile don't restrict stuff*/
1181 unsigned i_cpu
= vlc_CPU();
1182 if( !(i_cpu
& CPU_CAPABILITY_MMX
) )
1184 p_sys
->param
.cpu
&= ~X264_CPU_MMX
;
1186 if( !(i_cpu
& CPU_CAPABILITY_MMXEXT
) )
1188 p_sys
->param
.cpu
&= ~X264_CPU_MMXEXT
;
1190 if( !(i_cpu
& CPU_CAPABILITY_SSE
) )
1192 p_sys
->param
.cpu
&= ~X264_CPU_SSE
;
1194 if( !(i_cpu
& CPU_CAPABILITY_SSE2
) )
1196 p_sys
->param
.cpu
&= ~X264_CPU_SSE2
;
1199 /* BUILD 29 adds support for multi-threaded encoding while BUILD 49 (r543)
1200 also adds support for threads = 0 for automatically selecting an optimal
1201 value (cores * 1.5) based on detected CPUs. Default behavior for x264 is
1202 threads = 1, however VLC usage differs and uses threads = 0 (auto) by
1203 default unless ofcourse transcode threads is explicitly specified.. */
1204 p_sys
->param
.i_threads
= p_enc
->i_threads
;
1206 psz_val
= var_GetString( p_enc
, SOUT_CFG_PREFIX
"stats" );
1209 p_sys
->param
.rc
.psz_stat_in
=
1210 p_sys
->param
.rc
.psz_stat_out
=
1211 p_sys
->psz_stat_name
= psz_val
;
1214 i_val
= var_GetInteger( p_enc
, SOUT_CFG_PREFIX
"pass" );
1215 if( i_val
> 0 && i_val
<= 3 )
1217 p_sys
->param
.rc
.b_stat_write
= i_val
& 1;
1218 p_sys
->param
.rc
.b_stat_read
= i_val
& 2;
1221 if( !var_GetBool( p_enc
, SOUT_CFG_PREFIX
"mbtree" ) )
1222 p_sys
->param
.rc
.b_mb_tree
= var_GetBool( p_enc
, SOUT_CFG_PREFIX
"mbtree" );
1224 /* We need to initialize pthreadw32 before we open the encoder,
1225 but only once for the whole application. Since pthreadw32
1226 doesn't keep a refcount, do it ourselves. */
1227 #ifdef PTW32_STATIC_LIB
1228 vlc_mutex_lock( &pthread_win32_mutex
);
1230 if( pthread_win32_count
== 0 )
1232 msg_Dbg( p_enc
, "initializing pthread-win32" );
1233 if( !pthread_win32_process_attach_np() || !pthread_win32_thread_attach_np() )
1235 msg_Warn( p_enc
, "pthread Win32 Initialization failed" );
1236 vlc_mutex_unlock( &pthread_win32_mutex
);
1237 return VLC_EGENERIC
;
1241 pthread_win32_count
++;
1242 vlc_mutex_unlock( &pthread_win32_mutex
);
1245 /* Set lookahead value to lower than default,
1246 * as rtp-output without mux doesn't handle
1247 * difference that well yet*/
1248 p_sys
->param
.rc
.i_lookahead
= var_GetInteger( p_enc
, SOUT_CFG_PREFIX
"lookahead" );
1250 /* We don't want repeated headers, we repeat p_extra ourself if needed */
1251 p_sys
->param
.b_repeat_headers
= 0;
1253 /* Open the encoder */
1254 p_sys
->h
= x264_encoder_open( &p_sys
->param
);
1256 if( p_sys
->h
== NULL
)
1258 msg_Err( p_enc
, "cannot open x264 encoder" );
1259 Close( VLC_OBJECT(p_enc
) );
1260 return VLC_EGENERIC
;
1263 /* get the globals headers */
1264 p_enc
->fmt_out
.i_extra
= 0;
1265 p_enc
->fmt_out
.p_extra
= NULL
;
1267 p_enc
->fmt_out
.i_extra
= x264_encoder_headers( p_sys
->h
, &nal
, &i_nal
);
1268 p_enc
->fmt_out
.p_extra
= malloc( p_enc
->fmt_out
.i_extra
);
1269 if( !p_enc
->fmt_out
.p_extra
)
1271 Close( VLC_OBJECT(p_enc
) );
1274 uint8_t *p_tmp
= p_enc
->fmt_out
.p_extra
;
1275 for( i
= 0; i
< i_nal
; i
++ )
1277 memcpy( p_tmp
, nal
[i
].p_payload
, nal
[i
].i_payload
);
1278 p_tmp
+= nal
[i
].i_payload
;
1284 /****************************************************************************
1286 ****************************************************************************/
1287 static block_t
*Encode( encoder_t
*p_enc
, picture_t
*p_pict
)
1289 encoder_sys_t
*p_sys
= p_enc
->p_sys
;
1293 int i_nal
=0, i_out
=0, i
=0;
1296 #if X264_BUILD >= 98
1297 x264_picture_init( &pic
);
1299 memset( &pic
, 0, sizeof( x264_picture_t
) );
1301 if( likely(p_pict
) ) {
1302 pic
.i_pts
= p_pict
->date
;
1303 /* scale pts starting from 0 as libx264 seems to return dts values
1306 if( unlikely( p_sys
->i_initial_delay
== 0 ) )
1307 p_sys
->i_initial_delay
= p_pict
->date
;
1308 pic
.i_pts
-= p_sys
->i_initial_delay
;
1309 pic
.img
.i_csp
= X264_CSP_I420
;
1310 pic
.img
.i_plane
= p_pict
->i_planes
;
1311 for( i
= 0; i
< p_pict
->i_planes
; i
++ )
1313 pic
.img
.plane
[i
] = p_pict
->p
[i
].p_pixels
;
1314 pic
.img
.i_stride
[i
] = p_pict
->p
[i
].i_pitch
;
1317 x264_encoder_encode( p_sys
->h
, &nal
, &i_nal
, &pic
, &pic
);
1319 if( x264_encoder_delayed_frames( p_sys
->h
) ) {
1320 x264_encoder_encode( p_sys
->h
, &nal
, &i_nal
, NULL
, &pic
);
1324 if( !i_nal
) return NULL
;
1327 /* Get size of block we need */
1328 for( i
= 0, i_out
= 0; i
< i_nal
; i
++ )
1329 i_out
+= nal
[i
].i_payload
;
1331 p_block
= block_New( p_enc
, i_out
);
1332 if( !p_block
) return NULL
;
1334 /* copy encoded data directly to block */
1335 for( i
= 0, i_out
= 0; i
< i_nal
; i
++ )
1337 memcpy( p_block
->p_buffer
+ i_out
, nal
[i
].p_payload
, nal
[i
].i_payload
);
1338 i_out
+= nal
[i
].i_payload
;
1341 if( pic
.b_keyframe
)
1342 p_block
->i_flags
|= BLOCK_FLAG_TYPE_I
;
1343 else if( pic
.i_type
== X264_TYPE_P
|| pic
.i_type
== X264_TYPE_I
)
1344 p_block
->i_flags
|= BLOCK_FLAG_TYPE_P
;
1345 else if( pic
.i_type
== X264_TYPE_B
)
1346 p_block
->i_flags
|= BLOCK_FLAG_TYPE_B
;
1348 p_block
->i_flags
|= BLOCK_FLAG_TYPE_PB
;
1350 /* This isn't really valid for streams with B-frames */
1351 p_block
->i_length
= INT64_C(1000000) *
1352 p_enc
->fmt_in
.video
.i_frame_rate_base
/
1353 p_enc
->fmt_in
.video
.i_frame_rate
;
1355 /* scale pts-values back*/
1356 p_block
->i_pts
= pic
.i_pts
+ p_sys
->i_initial_delay
;
1357 p_block
->i_dts
= pic
.i_dts
+ p_sys
->i_initial_delay
;
1362 /*****************************************************************************
1363 * CloseEncoder: x264 encoder destruction
1364 *****************************************************************************/
1365 static void Close( vlc_object_t
*p_this
)
1367 encoder_t
*p_enc
= (encoder_t
*)p_this
;
1368 encoder_sys_t
*p_sys
= p_enc
->p_sys
;
1370 free( p_sys
->psz_stat_name
);
1372 msg_Dbg( p_enc
, "framecount still in libx264 buffer: %d", x264_encoder_delayed_frames( p_sys
->h
) );
1375 x264_encoder_close( p_sys
->h
);
1377 #ifdef PTW32_STATIC_LIB
1378 vlc_mutex_lock( &pthread_win32_mutex
);
1379 pthread_win32_count
--;
1381 if( pthread_win32_count
== 0 )
1383 pthread_win32_thread_detach_np();
1384 pthread_win32_process_detach_np();
1385 msg_Dbg( p_enc
, "pthread-win32 deinitialized" );
1388 vlc_mutex_unlock( &pthread_win32_mutex
);