1 /*****************************************************************************
2 * x264.c: h264 video encoder
3 *****************************************************************************
4 * Copyright (C) 2004-2006 the VideoLAN team
7 * Authors: Laurent Aimar <fenrir@via.ecp.fr>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
22 *****************************************************************************/
24 /*****************************************************************************
26 *****************************************************************************/
31 #include <vlc_common.h>
32 #include <vlc_plugin.h>
35 #include <vlc_codec.h>
37 #ifdef PTW32_STATIC_LIB
42 #define SOUT_CFG_PREFIX "sout-x264-"
44 /*****************************************************************************
46 *****************************************************************************/
47 static int Open ( vlc_object_t * );
48 static void Close( vlc_object_t * );
50 /* Frame-type options */
52 #define KEYINT_TEXT N_("Maximum GOP size")
53 #define KEYINT_LONGTEXT N_( "Sets maximum interval between IDR-frames." \
54 "Larger values save bits, thus improving quality for a given bitrate at " \
55 "the cost of seeking precision." )
57 #define MIN_KEYINT_TEXT N_("Minimum GOP size")
58 #define MIN_KEYINT_LONGTEXT N_( "Sets minimum interval between IDR-frames. " \
59 "In H.264, I-frames do not necessarily bound a closed GOP because it is " \
60 "allowable for a P-frame to be predicted from more frames than just the " \
61 "one frame before it (also see reference frame option). Therefore, " \
62 "I-frames are not necessarily seekable. IDR-frames restrict subsequent " \
63 "P-frames from referring to any frame prior to the IDR-frame. \n" \
64 "If scenecuts appear within this interval, they are still encoded as " \
65 "I-frames, but do not start a new GOP." )
67 #define SCENE_TEXT N_("Extra I-frames aggressivity" )
68 #define SCENE_LONGTEXT N_( "Scene-cut detection. Controls how " \
69 "aggressively to insert extra I-frames. With small values of " \
70 "scenecut, the codec often has " \
71 "to force an I-frame when it would exceed keyint. " \
72 "Good values of scenecut may find a better location for the " \
73 "I-frame. Large values use more I-frames " \
74 "than necessary, thus wasting bits. -1 disables scene-cut detection, so " \
75 "I-frames are inserted only every other keyint frames, which probably " \
76 "leads to ugly encoding artifacts. Range 1 to 100." )
78 #if X264_BUILD >= 55 /* r607 */
79 #define PRESCENE_TEXT N_("Faster, less precise scenecut detection" )
80 #define PRESCENE_LONGTEXT N_( "Faster, less precise scenecut detection. " \
81 "Required and implied by multi-threading." )
84 #define BFRAMES_TEXT N_("B-frames between I and P")
85 #define BFRAMES_LONGTEXT N_( "Number of consecutive B-frames between I and " \
86 "P-frames. Range 1 to 16." )
88 #define B_ADAPT_TEXT N_("Adaptive B-frame decision")
90 #define B_ADAPT_LONGTEXT N_( "Force the specified number of " \
91 "consecutive B-frames to be used, except possibly before an I-frame." \
94 #define B_ADAPT_LONGTEXT N_( "Force the specified number of " \
95 "consecutive B-frames to be used, except possibly before an I-frame." )
98 #define B_BIAS_TEXT N_("Influence (bias) B-frames usage")
99 #define B_BIAS_LONGTEXT N_( "Bias the choice to use B-frames. Positive values " \
100 "cause more B-frames, negative values cause less B-frames." )
102 #define BPYRAMID_TEXT N_("Keep some B-frames as references")
103 #define BPYRAMID_LONGTEXT N_( "Allows B-frames to be used as references for " \
104 "predicting other frames. Keeps the middle of 2+ consecutive B-frames " \
105 "as a reference, and reorders frame appropriately." )
107 #define CABAC_TEXT N_("CABAC")
108 #define CABAC_LONGTEXT N_( "CABAC (Context-Adaptive Binary Arithmetic "\
109 "Coding). Slightly slows down encoding and decoding, but should save " \
110 "10 to 15% bitrate." )
112 #define REF_TEXT N_("Number of reference frames")
113 #define REF_LONGTEXT N_( "Number of previous frames used as predictors. " \
114 "This is effective in Anime, but seems to make little difference in " \
115 "live-action source material. Some decoders are unable to deal with " \
116 "large frameref values. Range 1 to 16." )
118 #define NF_TEXT N_("Skip loop filter")
119 #define NF_LONGTEXT N_( "Deactivate the deblocking loop filter (decreases quality).")
121 #define FILTER_TEXT N_("Loop filter AlphaC0 and Beta parameters alpha:beta")
122 #define FILTER_LONGTEXT N_( "Loop filter AlphaC0 and Beta parameters. " \
123 "Range -6 to 6 for both alpha and beta parameters. -6 means light " \
124 "filter, 6 means strong.")
126 #define LEVEL_TEXT N_("H.264 level")
127 #define LEVEL_LONGTEXT N_( "Specify H.264 level (as defined by Annex A " \
128 "of the standard). Levels are not enforced; it's up to the user to select " \
129 "a level compatible with the rest of the encoding options. Range 1 to 5.1 " \
130 "(10 to 51 is also allowed).")
132 /* In order to play an interlaced output stream encoded by x264, a decoder needs
133 mbaff support. r570 is using the 'mb' part and not 'aff' yet; so it's really
134 'pure-interlaced' mode */
135 #if X264_BUILD >= 51 /* r570 */
136 #define INTERLACED_TEXT N_("Interlaced mode")
137 #define INTERLACED_LONGTEXT N_( "Pure-interlaced mode.")
142 #define QP_TEXT N_("Set QP")
143 #define QP_LONGTEXT N_( "This selects the quantizer to use. " \
144 "Lower values result in better fidelity, but higher bitrates. 26 is a " \
145 "good default value. Range 0 (lossless) to 51." )
147 #define CRF_TEXT N_("Quality-based VBR")
148 #define CRF_LONGTEXT N_( "1-pass Quality-based VBR. Range 0 to 51." )
150 #define QPMIN_TEXT N_("Min QP")
151 #define QPMIN_LONGTEXT N_( "Minimum quantizer parameter. 15 to 35 seems to " \
152 "be a useful range." )
154 #define QPMAX_TEXT N_("Max QP")
155 #define QPMAX_LONGTEXT N_( "Maximum quantizer parameter." )
157 #define QPSTEP_TEXT N_("Max QP step")
158 #define QPSTEP_LONGTEXT N_( "Max QP step between frames.")
160 #define RATETOL_TEXT N_("Average bitrate tolerance")
161 #define RATETOL_LONGTEXT N_( "Allowed variance in average " \
162 "bitrate (in kbits/s).")
164 #define VBV_MAXRATE_TEXT N_("Max local bitrate")
165 #define VBV_MAXRATE_LONGTEXT N_( "Sets a maximum local bitrate (in kbits/s).")
167 #define VBV_BUFSIZE_TEXT N_("VBV buffer")
168 #define VBV_BUFSIZE_LONGTEXT N_( "Averaging period for the maximum " \
169 "local bitrate (in kbits).")
171 #define VBV_INIT_TEXT N_("Initial VBV buffer occupancy")
172 #define VBV_INIT_LONGTEXT N_( "Sets the initial buffer occupancy as a " \
173 "fraction of the buffer size. Range 0.0 to 1.0.")
176 #define AQ_MODE_TEXT N_("How AQ distributes bits")
177 #define AQ_MODE_LONGTEXT N_("Defines bitdistribution mode for AQ, default 2\n" \
179 " - 1: Avoid moving bits between frames\n"\
180 " - 2: Move bits between frames")
182 #define AQ_STRENGTH_TEXT N_("Strength of AQ")
183 #define AQ_STRENGTH_LONGTEXT N_("Strength to reduce blocking and blurring in flat\n"\
184 "and textured areas, default 1.0 recommented to be between 0..2\n"\
189 /* IP Ratio < 1 is technically valid but should never improve quality */
190 #define IPRATIO_TEXT N_("QP factor between I and P")
191 #define IPRATIO_LONGTEXT N_( "QP factor between I and P. Range 1.0 to 2.0.")
193 /* PB ratio < 1 is not valid and breaks ratecontrol */
194 #define PBRATIO_TEXT N_("QP factor between P and B")
195 #define PBRATIO_LONGTEXT N_( "QP factor between P and B. Range 1.0 to 2.0.")
197 #define CHROMA_QP_OFFSET_TEXT N_("QP difference between chroma and luma")
198 #define CHROMA_QP_OFFSET_LONGTEXT N_( "QP difference between chroma and luma.")
200 #define PASS_TEXT N_("Multipass ratecontrol")
201 #define PASS_LONGTEXT N_( "Multipass ratecontrol:\n" \
202 " - 1: First pass, creates stats file\n" \
203 " - 2: Last pass, does not overwrite stats file\n" \
204 " - 3: Nth pass, overwrites stats file\n" )
206 #define QCOMP_TEXT N_("QP curve compression")
207 #define QCOMP_LONGTEXT N_( "QP curve compression. Range 0.0 (CBR) to 1.0 (QCP).")
209 #define CPLXBLUR_TEXT N_("Reduce fluctuations in QP")
210 #define CPLXBLUR_LONGTEXT N_( "This reduces the fluctuations in QP " \
211 "before curve compression. Temporally blurs complexity.")
213 #define QBLUR_TEXT N_("Reduce fluctuations in QP")
214 #define QBLUR_LONGTEXT N_( "This reduces the fluctations in QP " \
215 "after curve compression. Temporally blurs quants.")
219 #define ANALYSE_TEXT N_("Partitions to consider")
220 #define ANALYSE_LONGTEXT N_( "Partitions to consider in analyse mode: \n" \
223 " - normal: i4x4,p8x8,(i8x8)\n" \
224 " - slow : i4x4,p8x8,(i8x8),b8x8\n" \
225 " - all : i4x4,p8x8,(i8x8),b8x8,p4x4\n" \
226 "(p4x4 requires p8x8. i8x8 requires 8x8dct).")
228 #define DIRECT_PRED_TEXT N_("Direct MV prediction mode")
229 #define DIRECT_PRED_LONGTEXT N_( "Direct MV prediction mode.")
231 #if X264_BUILD >= 52 /* r573 */
232 #define DIRECT_PRED_SIZE_TEXT N_("Direct prediction size")
233 #define DIRECT_PRED_SIZE_LONGTEXT N_( "Direct prediction size: "\
236 " - -1: smallest possible according to level\n" )
239 #define WEIGHTB_TEXT N_("Weighted prediction for B-frames")
240 #define WEIGHTB_LONGTEXT N_( "Weighted prediction for B-frames.")
242 #define ME_TEXT N_("Integer pixel motion estimation method")
243 #if X264_BUILD >= 58 /* r728 */
244 #define ME_LONGTEXT N_( "Selects the motion estimation algorithm: "\
245 " - dia: diamond search, radius 1 (fast)\n" \
246 " - hex: hexagonal search, radius 2\n" \
247 " - umh: uneven multi-hexagon search (better but slower)\n" \
248 " - esa: exhaustive search (extremely slow, primarily for testing)\n" \
249 " - tesa: hadamard exhaustive search (extremely slow, primarily for testing)\n" )
251 #define ME_LONGTEXT N_( "Selects the motion estimation algorithm: "\
252 " - dia: diamond search, radius 1 (fast)\n" \
253 " - hex: hexagonal search, radius 2\n" \
254 " - umh: uneven multi-hexagon search (better but slower)\n" \
255 " - esa: exhaustive search (extremely slow, primarily for testing)\n" )
259 #define MERANGE_TEXT N_("Maximum motion vector search range")
260 #define MERANGE_LONGTEXT N_( "Maximum distance to search for " \
261 "motion estimation, measured from predicted position(s). " \
262 "Default of 16 is good for most footage, high motion sequences may " \
263 "benefit from settings between 24 and 32. Range 0 to 64." )
265 #define MVRANGE_TEXT N_("Maximum motion vector length")
266 #define MVRANGE_LONGTEXT N_( "Maximum motion vector length in pixels. " \
267 "-1 is automatic, based on level." )
270 #if X264_BUILD >= 55 /* r607 */
271 #define MVRANGE_THREAD_TEXT N_("Minimum buffer space between threads")
272 #define MVRANGE_THREAD_LONGTEXT N_( "Minimum buffer space between threads. " \
273 "-1 is automatic, based on number of threads." )
276 #define SUBME_TEXT N_("Subpixel motion estimation and partition decision " \
280 #define SUBME_LONGTEXT N_( "This parameter controls quality versus speed " \
281 "tradeoffs involved in the motion estimation decision process " \
282 "(lower = quicker and higher = better quality). Range 1 to 9." )
283 #elif X264_BUILD >= 46 /* r477 */
285 #define SUBME_LONGTEXT N_( "This parameter controls quality versus speed " \
286 "tradeoffs involved in the motion estimation decision process " \
287 "(lower = quicker and higher = better quality). Range 1 to 7." )
288 #elif X264_BUILD >= 30 /* r262 */
290 #define SUBME_LONGTEXT N_( "This parameter controls quality versus speed " \
291 "tradeoffs involved in the motion estimation decision process " \
292 "(lower = quicker and higher = better quality). Range 1 to 6." )
295 #define SUBME_LONGTEXT N_( "This parameter controls quality versus speed " \
296 "tradeoffs involved in the motion estimation decision process " \
297 "(lower = quicker and higher = better quality). Range 1 to 5." )
300 #define B_RDO_TEXT N_("RD based mode decision for B-frames")
301 #define B_RDO_LONGTEXT N_( "RD based mode decision for B-frames. This " \
302 "requires subme 6 (or higher).")
304 #define MIXED_REFS_TEXT N_("Decide references on a per partition basis")
305 #define MIXED_REFS_LONGTEXT N_( "Allows each 8x8 or 16x8 partition to " \
306 "independently select a reference frame, as opposed to only one ref " \
309 #define CHROMA_ME_TEXT N_("Chroma in motion estimation")
310 #define CHROMA_ME_LONGTEXT N_( "Chroma ME for subpel and mode decision in " \
313 #define BIME_TEXT N_("Jointly optimize both MVs in B-frames")
314 #define BIME_LONGTEXT N_( "Joint bidirectional motion refinement.")
316 #define TRANSFORM_8X8DCT_TEXT N_("Adaptive spatial transform size")
317 #define TRANSFORM_8X8DCT_LONGTEXT N_( \
318 "SATD-based decision for 8x8 transform in inter-MBs.")
320 #define TRELLIS_TEXT N_("Trellis RD quantization" )
321 #define TRELLIS_LONGTEXT N_( "Trellis RD quantization: \n" \
323 " - 1: enabled only on the final encode of a MB\n" \
324 " - 2: enabled on all mode decisions\n" \
325 "This requires CABAC." )
327 #define FAST_PSKIP_TEXT N_("Early SKIP detection on P-frames")
328 #define FAST_PSKIP_LONGTEXT N_( "Early SKIP detection on P-frames.")
330 #define DCT_DECIMATE_TEXT N_("Coefficient thresholding on P-frames")
331 #define DCT_DECIMATE_LONGTEXT N_( "Coefficient thresholding on P-frames." \
332 "Eliminate dct blocks containing only a small single coefficient.")
334 /* Noise reduction 1 is too weak to measure, suggest at least 10 */
335 #define NR_TEXT N_("Noise reduction")
336 #define NR_LONGTEXT N_( "Dct-domain noise reduction. Adaptive pseudo-deadzone. " \
337 "10 to 1000 seems to be a useful range." )
339 #if X264_BUILD >= 52 /* r573 */
340 #define DEADZONE_INTER_TEXT N_("Inter luma quantization deadzone")
341 #define DEADZONE_INTER_LONGTEXT N_( "Set the size of the inter luma quantization deadzone. " \
344 #define DEADZONE_INTRA_TEXT N_("Intra luma quantization deadzone")
345 #define DEADZONE_INTRA_LONGTEXT N_( "Set the size of the intra luma quantization deadzone. " \
351 #if X264_BUILD >= 55 /* r607 */
352 #define NON_DETERMINISTIC_TEXT N_("Non-deterministic optimizations when threaded")
353 #define NON_DETERMINISTIC_LONGTEXT N_( "Slightly improve quality of SMP, " \
354 "at the cost of repeatability.")
357 #define ASM_TEXT N_("CPU optimizations")
358 #define ASM_LONGTEXT N_( "Use assembler CPU optimizations.")
360 #define STATS_TEXT N_("Filename for 2 pass stats file")
361 #define STATS_LONGTEXT N_( "Filename for 2 pass stats file for multi-pass encoding.")
363 #define PSNR_TEXT N_("PSNR computation")
364 #define PSNR_LONGTEXT N_( "Compute and print PSNR stats. This has no effect on " \
365 "the actual encoding quality." )
367 #define SSIM_TEXT N_("SSIM computation")
368 #define SSIM_LONGTEXT N_( "Compute and print SSIM stats. This has no effect on " \
369 "the actual encoding quality." )
371 #define QUIET_TEXT N_("Quiet mode")
372 #define QUIET_LONGTEXT N_( "Quiet mode.")
374 #define VERBOSE_TEXT N_("Statistics")
375 #define VERBOSE_LONGTEXT N_( "Print stats for each frame.")
377 #if X264_BUILD >= 47 /* r518 */
378 #define SPS_ID_TEXT N_("SPS and PPS id numbers")
379 #define SPS_ID_LONGTEXT N_( "Set SPS and PPS id numbers to allow concatenating " \
380 "streams with different settings.")
383 #define AUD_TEXT N_("Access unit delimiters")
384 #define AUD_LONGTEXT N_( "Generate access unit delimiter NAL units.")
386 #if X264_BUILD >= 24 && X264_BUILD < 58
387 static const char *const enc_me_list[] =
388 { "dia", "hex", "umh", "esa" };
389 static const char *const enc_me_list_text[] =
390 { N_("dia"), N_("hex"), N_("umh"), N_("esa") };
393 #if X264_BUILD >= 58 /* r728 */
394 static const char *const enc_me_list[] =
395 { "dia", "hex", "umh", "esa", "tesa" };
396 static const char *const enc_me_list_text[] =
397 { N_("dia"), N_("hex"), N_("umh"), N_("esa"), N_("tesa") };
400 static const char *const enc_analyse_list[] =
401 { "none", "fast", "normal", "slow", "all" };
402 static const char *const enc_analyse_list_text[] =
403 { N_("none"), N_("fast"), N_("normal"), N_("slow"), N_("all") };
405 #if X264_BUILD >= 45 /* r457 */
406 static const char *const direct_pred_list[] =
407 { "none", "spatial", "temporal", "auto" };
408 static const char *const direct_pred_list_text[] =
409 { N_("none"), N_("spatial"), N_("temporal"), N_("auto") };
411 static const char *const direct_pred_list[] =
412 { "none", "spatial", "temporal" };
413 static const char *const direct_pred_list_text[] =
414 { N_("none"), N_("spatial"), N_("temporal") };
418 set_description( N_("H.264/MPEG4 AVC encoder (x264)"))
419 set_capability( "encoder", 200 )
420 set_callbacks( Open, Close )
421 set_category( CAT_INPUT )
422 set_subcategory( SUBCAT_INPUT_VCODEC )
424 /* Frame-type options */
426 add_integer( SOUT_CFG_PREFIX "keyint", 250, NULL, KEYINT_TEXT,
427 KEYINT_LONGTEXT, false )
429 add_integer( SOUT_CFG_PREFIX "min-keyint", 25, NULL, MIN_KEYINT_TEXT,
430 MIN_KEYINT_LONGTEXT, false )
431 add_deprecated_alias( SOUT_CFG_PREFIX "keyint-min" ) /* Deprecated since 0.8.5 */
433 add_integer( SOUT_CFG_PREFIX "scenecut", 40, NULL, SCENE_TEXT,
434 SCENE_LONGTEXT, false )
435 change_integer_range( -1, 100 )
437 #if X264_BUILD >= 55 /* r607 */
438 add_bool( SOUT_CFG_PREFIX "pre-scenecut", 0, NULL, PRESCENE_TEXT,
439 PRESCENE_LONGTEXT, false )
442 add_integer( SOUT_CFG_PREFIX "bframes", 0, NULL, BFRAMES_TEXT,
443 BFRAMES_LONGTEXT, false )
444 change_integer_range( 0, 16 )
447 add_integer( SOUT_CFG_PREFIX "b-adapt", 1, NULL, B_ADAPT_TEXT,
448 B_ADAPT_LONGTEXT, false )
449 change_integer_range( 0, 2 )
450 #elif X264_BUILD >= 0x0013 /* r137 */
451 add_bool( SOUT_CFG_PREFIX "b-adapt", 1, NULL, B_ADAPT_TEXT,
452 B_ADAPT_LONGTEXT, false )
455 #if X264_BUILD >= 0x0013 /* r137 */
456 add_integer( SOUT_CFG_PREFIX "b-bias", 0, NULL, B_BIAS_TEXT,
457 B_BIAS_LONGTEXT, false )
458 change_integer_range( -100, 100 )
461 add_bool( SOUT_CFG_PREFIX "bpyramid", 0, NULL, BPYRAMID_TEXT,
462 BPYRAMID_LONGTEXT, false )
464 add_bool( SOUT_CFG_PREFIX "cabac", 1, NULL, CABAC_TEXT, CABAC_LONGTEXT,
467 add_integer( SOUT_CFG_PREFIX "ref", 1, NULL, REF_TEXT,
468 REF_LONGTEXT, false )
469 change_integer_range( 1, 16 )
470 add_deprecated_alias( SOUT_CFG_PREFIX "frameref" ) /* Deprecated since 0.8.5 */
472 add_bool( SOUT_CFG_PREFIX "nf", 0, NULL, NF_TEXT,
474 add_deprecated_alias( SOUT_CFG_PREFIX "loopfilter" ) /* Deprecated since 0.8.5 */
476 add_string( SOUT_CFG_PREFIX "deblock", "0:0", NULL, FILTER_TEXT,
477 FILTER_LONGTEXT, false )
478 add_deprecated_alias( SOUT_CFG_PREFIX "filter" ) /* Deprecated since 0.8.6 */
480 add_string( SOUT_CFG_PREFIX "level", "5.1", NULL, LEVEL_TEXT,
481 LEVEL_LONGTEXT, false )
483 #if X264_BUILD >= 51 /* r570 */
484 add_bool( SOUT_CFG_PREFIX "interlaced", 0, NULL, INTERLACED_TEXT, INTERLACED_LONGTEXT,
490 add_integer( SOUT_CFG_PREFIX "qp", 26, NULL, QP_TEXT, QP_LONGTEXT,
492 change_integer_range( 0, 51 ) /* QP 0 -> lossless encoding */
494 #if X264_BUILD >= 37 /* r334 */
495 add_integer( SOUT_CFG_PREFIX "crf", 0, NULL, CRF_TEXT,
496 CRF_LONGTEXT, false )
497 change_integer_range( 0, 51 )
500 add_integer( SOUT_CFG_PREFIX "qpmin", 10, NULL, QPMIN_TEXT,
501 QPMIN_LONGTEXT, false )
502 change_integer_range( 0, 51 )
503 add_deprecated_alias( SOUT_CFG_PREFIX "qp-min" ) /* Deprecated since 0.8.5 */
505 add_integer( SOUT_CFG_PREFIX "qpmax", 51, NULL, QPMAX_TEXT,
506 QPMAX_LONGTEXT, false )
507 change_integer_range( 0, 51 )
508 add_deprecated_alias( SOUT_CFG_PREFIX "qp-max" ) /* Deprecated since 0.8.5 */
510 add_integer( SOUT_CFG_PREFIX "qpstep", 4, NULL, QPSTEP_TEXT,
511 QPSTEP_LONGTEXT, false )
512 change_integer_range( 0, 51 )
514 add_float( SOUT_CFG_PREFIX "ratetol", 1.0, NULL, RATETOL_TEXT,
515 RATETOL_LONGTEXT, false )
516 change_float_range( 0, 100 )
517 add_deprecated_alias( SOUT_CFG_PREFIX "tolerance" ) /* Deprecated since 0.8.5 */
519 add_integer( SOUT_CFG_PREFIX "vbv-maxrate", 0, NULL, VBV_MAXRATE_TEXT,
520 VBV_MAXRATE_LONGTEXT, false )
522 add_integer( SOUT_CFG_PREFIX "vbv-bufsize", 0, NULL, VBV_BUFSIZE_TEXT,
523 VBV_BUFSIZE_LONGTEXT, false )
525 add_float( SOUT_CFG_PREFIX "vbv-init", 0.9, NULL, VBV_INIT_TEXT,
526 VBV_INIT_LONGTEXT, false )
527 change_float_range( 0, 1 )
529 add_float( SOUT_CFG_PREFIX "ipratio", 1.40, NULL, IPRATIO_TEXT,
530 IPRATIO_LONGTEXT, false )
531 change_float_range( 1, 2 )
533 add_float( SOUT_CFG_PREFIX "pbratio", 1.30, NULL, PBRATIO_TEXT,
534 PBRATIO_LONGTEXT, false )
535 change_float_range( 1, 2 )
537 #if X264_BUILD >= 23 /* r190 */
538 add_integer( SOUT_CFG_PREFIX "chroma-qp-offset", 0, NULL, CHROMA_QP_OFFSET_TEXT,
539 CHROMA_QP_OFFSET_LONGTEXT, false )
542 add_integer( SOUT_CFG_PREFIX "pass", 0, NULL, PASS_TEXT,
543 PASS_LONGTEXT, false )
544 change_integer_range( 0, 3 )
546 add_float( SOUT_CFG_PREFIX "qcomp", 0.60, NULL, QCOMP_TEXT,
547 QCOMP_LONGTEXT, false )
548 change_float_range( 0, 1 )
550 add_float( SOUT_CFG_PREFIX "cplxblur", 20.0, NULL, CPLXBLUR_TEXT,
551 CPLXBLUR_LONGTEXT, false )
553 add_float( SOUT_CFG_PREFIX "qblur", 0.5, NULL, QBLUR_TEXT,
554 QBLUR_LONGTEXT, false )
556 add_integer( SOUT_CFG_PREFIX "aq-mode", 2, NULL, AQ_MODE_TEXT,
557 AQ_MODE_LONGTEXT, false )
558 change_integer_range( 0, 2 )
559 add_float( SOUT_CFG_PREFIX "aq-strength", 1.0, NULL, AQ_STRENGTH_TEXT,
560 AQ_STRENGTH_LONGTEXT, false )
565 /* x264 partitions = none (default). set at least "normal" mode. */
566 add_string( SOUT_CFG_PREFIX "partitions", "normal", NULL, ANALYSE_TEXT,
567 ANALYSE_LONGTEXT, false )
568 change_string_list( enc_analyse_list, enc_analyse_list_text, 0 );
569 add_deprecated_alias( SOUT_CFG_PREFIX "analyse" ) /* Deprecated since 0.8.6 */
571 add_string( SOUT_CFG_PREFIX "direct", "spatial", NULL, DIRECT_PRED_TEXT,
572 DIRECT_PRED_LONGTEXT, false )
573 change_string_list( direct_pred_list, direct_pred_list_text, 0 );
575 #if X264_BUILD >= 52 /* r573 */
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 )
581 #if X264_BUILD >= 0x0012 /* r134 */
582 add_bool( SOUT_CFG_PREFIX "weightb", 0, NULL, WEIGHTB_TEXT,
583 WEIGHTB_LONGTEXT, false )
586 #if X264_BUILD >= 24 /* r221 */
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 )
596 add_integer( SOUT_CFG_PREFIX "mvrange", -1, NULL, MVRANGE_TEXT,
597 MVRANGE_LONGTEXT, false )
599 #if X264_BUILD >= 55 /* r607 */
600 add_integer( SOUT_CFG_PREFIX "mvrange-thread", -1, NULL, MVRANGE_THREAD_TEXT,
601 MVRANGE_THREAD_LONGTEXT, false )
604 add_integer( SOUT_CFG_PREFIX "subme", 5, NULL, SUBME_TEXT,
605 SUBME_LONGTEXT, false )
606 change_integer_range( 1, SUBME_MAX )
607 add_deprecated_alias( SOUT_CFG_PREFIX "subpel" ) /* Deprecated since 0.8.5 */
609 #if X264_BUILD >= 41 && X264_BUILD < 65 /* r368 */
610 add_bool( SOUT_CFG_PREFIX "b-rdo", 0, NULL, B_RDO_TEXT,
611 B_RDO_LONGTEXT, false )
614 #if X264_BUILD >= 36 /* r318 */
615 add_bool( SOUT_CFG_PREFIX "mixed-refs", 0, NULL, MIXED_REFS_TEXT,
616 MIXED_REFS_LONGTEXT, false )
619 #if X264_BUILD >= 23 /* r171 */
620 add_bool( SOUT_CFG_PREFIX "chroma-me", 1, NULL, CHROMA_ME_TEXT,
621 CHROMA_ME_LONGTEXT, false )
624 #if X264_BUILD >= 43 && X264_BUILD < 65 /* r390 */
625 add_bool( SOUT_CFG_PREFIX "bime", 0, NULL, BIME_TEXT,
626 BIME_LONGTEXT, false )
629 #if X264_BUILD >= 30 /* r251 */
630 add_bool( SOUT_CFG_PREFIX "8x8dct", 0, NULL, TRANSFORM_8X8DCT_TEXT,
631 TRANSFORM_8X8DCT_LONGTEXT, false )
634 #if X264_BUILD >= 39 /* r360 */
635 add_integer( SOUT_CFG_PREFIX "trellis", 0, NULL, TRELLIS_TEXT,
636 TRELLIS_LONGTEXT, false )
637 change_integer_range( 0, 2 )
640 #if X264_BUILD >= 42 /* r384 */
641 add_bool( SOUT_CFG_PREFIX "fast-pskip", 1, NULL, FAST_PSKIP_TEXT,
642 FAST_PSKIP_LONGTEXT, false )
645 #if X264_BUILD >= 46 /* r503 */
646 add_bool( SOUT_CFG_PREFIX "dct-decimate", 1, NULL, DCT_DECIMATE_TEXT,
647 DCT_DECIMATE_LONGTEXT, false )
650 #if X264_BUILD >= 44 /* r398 */
651 add_integer( SOUT_CFG_PREFIX "nr", 0, NULL, NR_TEXT,
653 change_integer_range( 0, 1000 )
656 #if X264_BUILD >= 52 /* r573 */
657 add_integer( SOUT_CFG_PREFIX "deadzone-inter", 21, NULL, DEADZONE_INTER_TEXT,
658 DEADZONE_INTRA_LONGTEXT, false )
659 change_integer_range( 0, 32 )
661 add_integer( SOUT_CFG_PREFIX "deadzone-intra", 11, NULL, DEADZONE_INTRA_TEXT,
662 DEADZONE_INTRA_LONGTEXT, false )
663 change_integer_range( 0, 32 )
668 #if X264_BUILD >= 55 /* r607 */
669 add_bool( SOUT_CFG_PREFIX "non-deterministic", 0, NULL, NON_DETERMINISTIC_TEXT,
670 NON_DETERMINISTIC_LONGTEXT, false )
673 add_bool( SOUT_CFG_PREFIX "asm", 1, NULL, ASM_TEXT,
674 ASM_LONGTEXT, false )
676 /* x264 psnr = 1 (default). disable PSNR computation for speed. */
677 add_bool( SOUT_CFG_PREFIX "psnr", 0, NULL, PSNR_TEXT,
678 PSNR_LONGTEXT, false )
680 #if X264_BUILD >= 50 /* r554 */
681 /* x264 ssim = 1 (default). disable SSIM computation for speed. */
682 add_bool( SOUT_CFG_PREFIX "ssim", 0, NULL, SSIM_TEXT,
683 SSIM_LONGTEXT, false )
686 add_bool( SOUT_CFG_PREFIX "quiet", 0, NULL, QUIET_TEXT,
687 QUIET_LONGTEXT, false )
689 #if X264_BUILD >= 47 /* r518 */
690 add_integer( SOUT_CFG_PREFIX "sps-id", 0, NULL, SPS_ID_TEXT,
691 SPS_ID_LONGTEXT, false )
694 add_bool( SOUT_CFG_PREFIX "aud", 0, NULL, AUD_TEXT,
695 AUD_LONGTEXT, false )
697 #if X264_BUILD >= 0x000e /* r81 */
698 add_bool( SOUT_CFG_PREFIX "verbose", 0, NULL, VERBOSE_TEXT,
699 VERBOSE_LONGTEXT, false )
702 add_string( SOUT_CFG_PREFIX "stats", "x264_2pass.log", NULL, STATS_TEXT,
703 STATS_LONGTEXT, false )
707 /*****************************************************************************
709 *****************************************************************************/
710 static const char *const ppsz_sout_options[] = {
711 "8x8dct", "analyse", "asm", "aud", "bframes", "bime", "bpyramid",
712 "b-adapt", "b-bias", "b-rdo", "cabac", "chroma-me", "chroma-qp-offset",
713 "cplxblur", "crf", "dct-decimate", "deadzone-inter", "deadzone-intra",
714 "deblock", "direct", "direct-8x8", "filter", "fast-pskip", "frameref",
715 "interlaced", "ipratio", "keyint", "keyint-min", "level", "loopfilter",
716 "me", "merange", "min-keyint", "mixed-refs", "mvrange", "mvrange-thread",
717 "nf", "non-deterministic", "nr", "partitions", "pass", "pbratio",
718 "pre-scenecut", "psnr", "qblur", "qp", "qcomp", "qpstep", "qpmax",
719 "qpmin", "qp-max", "qp-min", "quiet", "ratetol", "ref", "scenecut",
720 "sps-id", "ssim", "stats", "subme", "subpel", "tolerance", "trellis",
721 "verbose", "vbv-bufsize", "vbv-init", "vbv-maxrate", "weightb", "aq-mode",
725 static block_t *Encode( encoder_t *, picture_t * );
735 mtime_t i_interpolated_dts;
740 /*****************************************************************************
741 * Open: probe the encoder
742 *****************************************************************************/
743 static int Open ( vlc_object_t *p_this )
745 encoder_t *p_enc = (encoder_t *)p_this;
746 encoder_sys_t *p_sys;
748 int i_qmin = 0, i_qmax = 0;
752 if( p_enc->fmt_out.i_codec != VLC_FOURCC( 'h', '2', '6', '4' ) &&
758 /* X264_POINTVER or X264_VERSION are not available */
759 msg_Dbg ( p_enc, "version x264 0.%d.X", X264_BUILD );
762 if( p_enc->fmt_in.video.i_width % 16 != 0 ||
763 p_enc->fmt_in.video.i_height % 16 != 0 )
765 msg_Warn( p_enc, "size is not a multiple of 16 (%ix%i)",
766 p_enc->fmt_in.video.i_width, p_enc->fmt_in.video.i_height );
768 if( p_enc->fmt_in.video.i_width < 16 ||
769 p_enc->fmt_in.video.i_height < 16 )
771 msg_Err( p_enc, "video is too small to be cropped" );
775 msg_Warn( p_enc, "cropping video to %ix%i",
776 p_enc->fmt_in.video.i_width >> 4 << 4,
777 p_enc->fmt_in.video.i_height >> 4 << 4 );
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_FOURCC( 'h', '2', '6', '4' );
785 p_enc->fmt_in.i_codec = VLC_FOURCC('I','4','2','0');
787 p_enc->pf_encode_video = Encode;
788 p_enc->pf_encode_audio = NULL;
789 p_enc->p_sys = p_sys = malloc( sizeof( encoder_sys_t ) );
792 p_sys->i_interpolated_dts = 0;
793 p_sys->psz_stat_name = NULL;
795 x264_param_default( &p_sys->param );
796 p_sys->param.i_width = p_enc->fmt_in.video.i_width;
797 p_sys->param.i_height = p_enc->fmt_in.video.i_height;
799 p_sys->param.i_width = p_sys->param.i_width >> 4 << 4;
800 p_sys->param.i_height = p_sys->param.i_height >> 4 << 4;
803 /* average bitrate specified by transcode vb */
804 p_sys->param.rc.i_bitrate = p_enc->fmt_out.i_bitrate / 1000;
806 var_Get( p_enc, SOUT_CFG_PREFIX "qpstep", &val );
807 if( val.i_int >= 0 && val.i_int <= 51 ) p_sys->param.rc.i_qp_step = val.i_int;
808 var_Get( p_enc, SOUT_CFG_PREFIX "qpmin", &val );
809 if( val.i_int >= 0 && val.i_int <= 51 )
812 p_sys->param.rc.i_qp_min = i_qmin;
814 var_Get( p_enc, SOUT_CFG_PREFIX "qpmax", &val );
815 if( val.i_int >= 0 && val.i_int <= 51 )
818 p_sys->param.rc.i_qp_max = i_qmax;
821 var_Get( p_enc, SOUT_CFG_PREFIX "qp", &val );
822 if( val.i_int >= 0 && val.i_int <= 51 )
824 if( i_qmin > val.i_int ) i_qmin = val.i_int;
825 if( i_qmax < val.i_int ) i_qmax = val.i_int;
827 p_sys->param.rc.i_rc_method = X264_RC_CQP;
828 #if X264_BUILD >= 0x000a
829 p_sys->param.rc.i_qp_constant = val.i_int;
830 p_sys->param.rc.i_qp_min = i_qmin;
831 p_sys->param.rc.i_qp_max = i_qmax;
833 p_sys->param.i_qp_constant = val.i_int;
838 /* cbr = 1 overrides qp or crf and sets an average bitrate
839 but maxrate = average bitrate is needed for "real" CBR */
840 if( p_sys->param.rc.i_bitrate > 0 ) p_sys->param.rc.b_cbr = 1;
842 if( p_sys->param.rc.i_bitrate > 0 ) p_sys->param.rc.i_rc_method = X264_RC_ABR;
846 var_Get( p_enc, SOUT_CFG_PREFIX "ratetol", &val );
847 p_sys->param.rc.f_rate_tolerance = val.f_float;
849 var_Get( p_enc, SOUT_CFG_PREFIX "vbv-init", &val );
850 p_sys->param.rc.f_vbv_buffer_init = val.f_float;
852 var_Get( p_enc, SOUT_CFG_PREFIX "vbv-bufsize", &val );
853 p_sys->param.rc.i_vbv_buffer_size = val.i_int;
855 /* x264 vbv-bufsize = 0 (default). if not provided set period
856 in seconds for local maximum bitrate (cache/bufsize) based
857 on average bitrate. */
859 p_sys->param.rc.i_vbv_buffer_size = p_sys->param.rc.i_bitrate * 2;
861 /* max bitrate = average bitrate -> CBR */
862 var_Get( p_enc, SOUT_CFG_PREFIX "vbv-maxrate", &val );
863 p_sys->param.rc.i_vbv_max_bitrate = val.i_int;
866 p_sys->param.rc.i_rc_buffer_size = p_sys->param.rc.i_bitrate;
867 p_sys->param.rc.i_rc_init_buffer = p_sys->param.rc.i_bitrate / 4;
870 var_Get( p_enc, SOUT_CFG_PREFIX "cabac", &val );
871 p_sys->param.b_cabac = val.b_bool;
873 /* disable deblocking when nf (no loop filter) is enabled */
874 var_Get( p_enc, SOUT_CFG_PREFIX "nf", &val );
875 p_sys->param.b_deblocking_filter = !val.b_bool;
877 var_Get( p_enc, SOUT_CFG_PREFIX "deblock", &val );
880 char *p = strchr( val.psz_string, ':' );
881 p_sys->param.i_deblocking_filter_alphac0 = atoi( val.psz_string );
882 p_sys->param.i_deblocking_filter_beta = p ? atoi( p+1 ) : p_sys->param.i_deblocking_filter_alphac0;
883 free( val.psz_string );
886 var_Get( p_enc, SOUT_CFG_PREFIX "level", &val );
889 if( atof (val.psz_string) < 6 )
890 p_sys->param.i_level_idc = (int) ( 10 * atof (val.psz_string) + .5);
892 p_sys->param.i_level_idc = atoi (val.psz_string);
893 free( val.psz_string );
896 #if X264_BUILD >= 51 /* r570 */
897 var_Get( p_enc, SOUT_CFG_PREFIX "interlaced", &val );
898 p_sys->param.b_interlaced = val.b_bool;
901 var_Get( p_enc, SOUT_CFG_PREFIX "ipratio", &val );
902 p_sys->param.rc.f_ip_factor = val.f_float;
904 var_Get( p_enc, SOUT_CFG_PREFIX "pbratio", &val );
905 p_sys->param.rc.f_pb_factor = val.f_float;
907 var_Get( p_enc, SOUT_CFG_PREFIX "qcomp", &val );
908 p_sys->param.rc.f_qcompress = val.f_float;
910 var_Get( p_enc, SOUT_CFG_PREFIX "cplxblur", &val );
911 p_sys->param.rc.f_complexity_blur = val.f_float;
913 var_Get( p_enc, SOUT_CFG_PREFIX "qblur", &val );
914 p_sys->param.rc.f_qblur = val.f_float;
917 var_Get( p_enc, SOUT_CFG_PREFIX "aq-mode", &val );
918 p_sys->param.rc.i_aq_mode = val.i_int;
920 var_Get( p_enc, SOUT_CFG_PREFIX "aq-strength", &val );
921 p_sys->param.rc.f_aq_strength = val.f_float;
924 #if X264_BUILD >= 0x000e
925 var_Get( p_enc, SOUT_CFG_PREFIX "verbose", &val );
926 if( val.b_bool ) p_sys->param.i_log_level = X264_LOG_DEBUG;
929 var_Get( p_enc, SOUT_CFG_PREFIX "quiet", &val );
930 if( val.b_bool ) p_sys->param.i_log_level = X264_LOG_NONE;
932 #if X264_BUILD >= 47 /* r518 */
933 var_Get( p_enc, SOUT_CFG_PREFIX "sps-id", &val );
934 if( val.i_int >= 0 ) p_sys->param.i_sps_id = val.i_int;
937 var_Get( p_enc, SOUT_CFG_PREFIX "aud", &val );
938 if( val.b_bool ) p_sys->param.b_aud = val.b_bool;
940 var_Get( p_enc, SOUT_CFG_PREFIX "keyint", &val );
941 #if X264_BUILD >= 0x000e
942 if( val.i_int > 0 ) p_sys->param.i_keyint_max = val.i_int;
944 if( val.i_int > 0 ) p_sys->param.i_iframe = val.i_int;
947 var_Get( p_enc, SOUT_CFG_PREFIX "min-keyint", &val );
948 #if X264_BUILD >= 0x000e
949 if( val.i_int > 0 ) p_sys->param.i_keyint_min = val.i_int;
951 if( val.i_int > 0 ) p_sys->param.i_idrframe = val.i_int;
954 var_Get( p_enc, SOUT_CFG_PREFIX "bframes", &val );
955 if( val.i_int >= 0 && val.i_int <= 16 )
956 p_sys->param.i_bframe = val.i_int;
959 var_Get( p_enc, SOUT_CFG_PREFIX "bpyramid", &val );
960 p_sys->param.b_bframe_pyramid = val.b_bool;
963 var_Get( p_enc, SOUT_CFG_PREFIX "ref", &val );
964 if( val.i_int > 0 && val.i_int <= 15 )
965 p_sys->param.i_frame_reference = val.i_int;
967 var_Get( p_enc, SOUT_CFG_PREFIX "scenecut", &val );
968 #if X264_BUILD >= 0x000b
969 if( val.i_int >= -1 && val.i_int <= 100 )
970 p_sys->param.i_scenecut_threshold = val.i_int;
973 #if X264_BUILD >= 55 /* r607 */
974 var_Get( p_enc, SOUT_CFG_PREFIX "pre-scenecut", &val );
975 p_sys->param.b_pre_scenecut = val.b_bool;
976 var_Get( p_enc, SOUT_CFG_PREFIX "non-deterministic", &val );
977 p_sys->param.b_deterministic = val.b_bool;
980 var_Get( p_enc, SOUT_CFG_PREFIX "subme", &val );
981 if( val.i_int >= 1 && val.i_int <= SUBME_MAX )
982 p_sys->param.analyse.i_subpel_refine = val.i_int;
985 var_Get( p_enc, SOUT_CFG_PREFIX "me", &val );
986 if( !strcmp( val.psz_string, "dia" ) )
988 p_sys->param.analyse.i_me_method = X264_ME_DIA;
990 else if( !strcmp( val.psz_string, "hex" ) )
992 p_sys->param.analyse.i_me_method = X264_ME_HEX;
994 else if( !strcmp( val.psz_string, "umh" ) )
996 p_sys->param.analyse.i_me_method = X264_ME_UMH;
998 else if( !strcmp( val.psz_string, "esa" ) )
1000 p_sys->param.analyse.i_me_method = X264_ME_ESA;
1002 # if X264_BUILD >= 58 /* r728 */
1003 else if( !strcmp( val.psz_string, "tesa" ) )
1005 p_sys->param.analyse.i_me_method = X264_ME_TESA;
1008 free( val.psz_string );
1010 var_Get( p_enc, SOUT_CFG_PREFIX "merange", &val );
1011 if( val.i_int >= 0 && val.i_int <= 64 )
1012 p_sys->param.analyse.i_me_range = val.i_int;
1014 var_Get( p_enc, SOUT_CFG_PREFIX "mvrange", &val );
1015 p_sys->param.analyse.i_mv_range = val.i_int;
1018 #if X264_BUILD >= 55 /* r607 */
1019 var_Get( p_enc, SOUT_CFG_PREFIX "mvrange-thread", &val );
1020 p_sys->param.analyse.i_mv_range_thread = val.i_int;
1023 var_Get( p_enc, SOUT_CFG_PREFIX "direct", &val );
1024 if( !strcmp( val.psz_string, "none" ) )
1026 p_sys->param.analyse.i_direct_mv_pred = X264_DIRECT_PRED_NONE;
1028 else if( !strcmp( val.psz_string, "spatial" ) )
1030 p_sys->param.analyse.i_direct_mv_pred = X264_DIRECT_PRED_SPATIAL;
1032 else if( !strcmp( val.psz_string, "temporal" ) )
1034 p_sys->param.analyse.i_direct_mv_pred = X264_DIRECT_PRED_TEMPORAL;
1036 #if X264_BUILD >= 45 /* r457 */
1037 else if( !strcmp( val.psz_string, "auto" ) )
1039 p_sys->param.analyse.i_direct_mv_pred = X264_DIRECT_PRED_AUTO;
1042 free( val.psz_string );
1044 var_Get( p_enc, SOUT_CFG_PREFIX "psnr", &val );
1045 p_sys->param.analyse.b_psnr = val.b_bool;
1047 #if X264_BUILD >= 50 /* r554 */
1048 var_Get( p_enc, SOUT_CFG_PREFIX "ssim", &val );
1049 p_sys->param.analyse.b_ssim = val.b_bool;
1052 #if X264_BUILD >= 0x0012
1053 var_Get( p_enc, SOUT_CFG_PREFIX "weightb", &val );
1054 p_sys->param.analyse.b_weighted_bipred = val.b_bool;
1057 #if X264_BUILD >= 0x0013
1058 var_Get( p_enc, SOUT_CFG_PREFIX "b-adapt", &val );
1059 #if X264_BUILD >= 63
1060 p_sys->param.i_bframe_adaptive = val.i_int;
1062 p_sys->param.b_bframe_adaptive = val.b_bool;
1065 var_Get( p_enc, SOUT_CFG_PREFIX "b-bias", &val );
1066 if( val.i_int >= -100 && val.i_int <= 100 )
1067 p_sys->param.i_bframe_bias = val.i_int;
1070 #if X264_BUILD >= 23
1071 var_Get( p_enc, SOUT_CFG_PREFIX "chroma-me", &val );
1072 p_sys->param.analyse.b_chroma_me = val.b_bool;
1073 var_Get( p_enc, SOUT_CFG_PREFIX "chroma-qp-offset", &val );
1074 p_sys->param.analyse.i_chroma_qp_offset = val.i_int;
1077 #if X264_BUILD >= 36
1078 var_Get( p_enc, SOUT_CFG_PREFIX "mixed-refs", &val );
1079 p_sys->param.analyse.b_mixed_references = val.b_bool;
1082 #if X264_BUILD >= 37
1083 var_Get( p_enc, SOUT_CFG_PREFIX "crf", &val );
1084 if( val.i_int > 0 && val.i_int <= 51 )
1086 # if X264_BUILD >= 54
1087 p_sys->param.rc.f_rf_constant = val.i_int;
1089 p_sys->param.rc.i_rf_constant = val.i_int;
1091 # if X264_BUILD >= 48
1092 p_sys->param.rc.i_rc_method = X264_RC_CRF;
1097 #if X264_BUILD >= 39
1098 var_Get( p_enc, SOUT_CFG_PREFIX "trellis", &val );
1099 if( val.i_int >= 0 && val.i_int <= 2 )
1100 p_sys->param.analyse.i_trellis = val.i_int;
1103 #if X264_BUILD >= 41 && X264_BUILD < 65
1104 var_Get( p_enc, SOUT_CFG_PREFIX "b-rdo", &val );
1105 p_sys->param.analyse.b_bframe_rdo = val.b_bool;
1108 #if X264_BUILD >= 42
1109 var_Get( p_enc, SOUT_CFG_PREFIX "fast-pskip", &val );
1110 p_sys->param.analyse.b_fast_pskip = val.b_bool;
1113 #if X264_BUILD >= 43 && X264_BUILD < 65
1114 var_Get( p_enc, SOUT_CFG_PREFIX "bime", &val );
1115 p_sys->param.analyse.b_bidir_me = val.b_bool;
1118 #if X264_BUILD >= 44
1119 var_Get( p_enc, SOUT_CFG_PREFIX "nr", &val );
1120 if( val.i_int >= 0 && val.i_int <= 1000 )
1121 p_sys->param.analyse.i_noise_reduction = val.i_int;
1124 #if X264_BUILD >= 46
1125 var_Get( p_enc, SOUT_CFG_PREFIX "dct-decimate", &val );
1126 p_sys->param.analyse.b_dct_decimate = val.b_bool;
1129 #if X264_BUILD >= 52
1130 var_Get( p_enc, SOUT_CFG_PREFIX "deadzone-inter", &val );
1131 if( val.i_int >= 0 && val.i_int <= 32 )
1132 p_sys->param.analyse.i_luma_deadzone[0] = val.i_int;
1134 var_Get( p_enc, SOUT_CFG_PREFIX "deadzone-intra", &val );
1135 if( val.i_int >= 0 && val.i_int <= 32 )
1136 p_sys->param.analyse.i_luma_deadzone[1] = val.i_int;
1138 #if X264_BUILD <= 65
1139 var_Get( p_enc, SOUT_CFG_PREFIX "direct-8x8", &val );
1140 if( val.i_int >= -1 && val.i_int <= 1 )
1141 p_sys->param.analyse.i_direct_8x8_inference = val.i_int;
1145 var_Get( p_enc, SOUT_CFG_PREFIX "asm", &val );
1146 if( !val.b_bool ) p_sys->param.cpu = 0;
1148 #ifndef X264_ANALYSE_BSUB16x16
1149 # define X264_ANALYSE_BSUB16x16 0
1151 var_Get( p_enc, SOUT_CFG_PREFIX "partitions", &val );
1152 if( !strcmp( val.psz_string, "none" ) )
1154 p_sys->param.analyse.inter = 0;
1156 else if( !strcmp( val.psz_string, "fast" ) )
1158 p_sys->param.analyse.inter = X264_ANALYSE_I4x4;
1160 else if( !strcmp( val.psz_string, "normal" ) )
1162 p_sys->param.analyse.inter =
1164 X264_ANALYSE_PSUB16x16;
1165 #ifdef X264_ANALYSE_I8x8
1166 p_sys->param.analyse.inter |= X264_ANALYSE_I8x8;
1169 else if( !strcmp( val.psz_string, "slow" ) )
1171 p_sys->param.analyse.inter =
1173 X264_ANALYSE_PSUB16x16 |
1174 X264_ANALYSE_BSUB16x16;
1175 #ifdef X264_ANALYSE_I8x8
1176 p_sys->param.analyse.inter |= X264_ANALYSE_I8x8;
1179 else if( !strcmp( val.psz_string, "all" ) )
1181 p_sys->param.analyse.inter =
1183 X264_ANALYSE_PSUB16x16 |
1184 X264_ANALYSE_BSUB16x16 |
1185 X264_ANALYSE_PSUB8x8;
1186 #ifdef X264_ANALYSE_I8x8
1187 p_sys->param.analyse.inter |= X264_ANALYSE_I8x8;
1190 free( val.psz_string );
1192 #if X264_BUILD >= 30
1193 var_Get( p_enc, SOUT_CFG_PREFIX "8x8dct", &val );
1194 p_sys->param.analyse.b_transform_8x8 = val.b_bool;
1197 if( p_enc->fmt_in.video.i_aspect > 0 )
1199 int64_t i_num, i_den;
1200 unsigned int i_dst_num, i_dst_den;
1202 i_num = p_enc->fmt_in.video.i_aspect *
1203 (int64_t)p_enc->fmt_in.video.i_height;
1204 i_den = VOUT_ASPECT_FACTOR * p_enc->fmt_in.video.i_width;
1205 vlc_ureduce( &i_dst_num, &i_dst_den, i_num, i_den, 0 );
1207 p_sys->param.vui.i_sar_width = i_dst_num;
1208 p_sys->param.vui.i_sar_height = i_dst_den;
1211 if( p_enc->fmt_in.video.i_frame_rate_base > 0 )
1213 p_sys->param.i_fps_num = p_enc->fmt_in.video.i_frame_rate;
1214 p_sys->param.i_fps_den = p_enc->fmt_in.video.i_frame_rate_base;
1217 unsigned i_cpu = vlc_CPU();
1218 if( !(i_cpu & CPU_CAPABILITY_MMX) )
1220 p_sys->param.cpu &= ~X264_CPU_MMX;
1222 if( !(i_cpu & CPU_CAPABILITY_MMXEXT) )
1224 p_sys->param.cpu &= ~X264_CPU_MMXEXT;
1226 if( !(i_cpu & CPU_CAPABILITY_SSE) )
1228 p_sys->param.cpu &= ~X264_CPU_SSE;
1230 if( !(i_cpu & CPU_CAPABILITY_SSE2) )
1232 p_sys->param.cpu &= ~X264_CPU_SSE2;
1235 /* BUILD 29 adds support for multi-threaded encoding while BUILD 49 (r543)
1236 also adds support for threads = 0 for automatically selecting an optimal
1237 value (cores * 1.5) based on detected CPUs. Default behavior for x264 is
1238 threads = 1, however VLC usage differs and uses threads = 0 (auto) by
1239 default unless ofcourse transcode threads is explicitly specified.. */
1240 #if X264_BUILD >= 29
1241 p_sys->param.i_threads = p_enc->i_threads;
1244 var_Get( p_enc, SOUT_CFG_PREFIX "stats", &val );
1245 if( val.psz_string )
1247 p_sys->param.rc.psz_stat_in =
1248 p_sys->param.rc.psz_stat_out =
1249 p_sys->psz_stat_name = val.psz_string;
1252 var_Get( p_enc, SOUT_CFG_PREFIX "pass", &val );
1253 if( val.i_int > 0 && val.i_int <= 3 )
1255 p_sys->param.rc.b_stat_write = val.i_int & 1;
1256 p_sys->param.rc.b_stat_read = val.i_int & 2;
1259 /* We need to initialize pthreadw32 before we open the encoder,
1260 but only oncce for the whole application. Since pthreadw32
1261 doesn't keep a refcount, do it ourselves. */
1262 #ifdef PTW32_STATIC_LIB
1263 vlc_value_t lock, count;
1265 var_Create( p_enc->p_libvlc, "pthread_win32_mutex", VLC_VAR_MUTEX );
1266 var_Get( p_enc->p_libvlc, "pthread_win32_mutex", &lock );
1267 vlc_mutex_lock( lock.p_address );
1269 var_Create( p_enc->p_libvlc, "pthread_win32_count", VLC_VAR_INTEGER );
1270 var_Get( p_enc->p_libvlc, "pthread_win32_count", &count );
1272 if( count.i_int == 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( lock.p_address );
1279 return VLC_EGENERIC;
1284 var_Set( p_enc->p_libvlc, "pthread_win32_count", count );
1285 vlc_mutex_unlock( lock.p_address );
1289 /* Open the encoder */
1290 p_sys->h = x264_encoder_open( &p_sys->param );
1293 p_sys->i_buffer = 4 * p_enc->fmt_in.video.i_width *
1294 p_enc->fmt_in.video.i_height + 1000;
1295 p_sys->p_buffer = malloc( p_sys->i_buffer );
1296 if( !p_sys->p_buffer )
1298 Close( VLC_OBJECT(p_enc) );
1302 /* get the globals headers */
1303 p_enc->fmt_out.i_extra = 0;
1304 p_enc->fmt_out.p_extra = NULL;
1306 x264_encoder_headers( p_sys->h, &nal, &i_nal );
1307 for( i = 0; i < i_nal; i++ )
1310 int i_size = p_sys->i_buffer;
1312 x264_nal_encode( p_sys->p_buffer, &i_size, 1, &nal[i] );
1314 p_tmp = realloc( p_enc->fmt_out.p_extra, p_enc->fmt_out.i_extra + i_size );
1317 Close( VLC_OBJECT(p_enc) );
1320 p_enc->fmt_out.p_extra = p_tmp;
1322 memcpy( (uint8_t*)p_enc->fmt_out.p_extra + p_enc->fmt_out.i_extra,
1323 p_sys->p_buffer, i_size );
1325 p_enc->fmt_out.i_extra += i_size;
1331 /****************************************************************************
1333 ****************************************************************************/
1334 static block_t *Encode( encoder_t *p_enc, picture_t *p_pict )
1336 encoder_sys_t *p_sys = p_enc->p_sys;
1340 int i_nal, i_out, i;
1343 memset( &pic, 0, sizeof( x264_picture_t ) );
1344 pic.i_pts = p_pict->date;
1345 pic.img.i_csp = X264_CSP_I420;
1346 pic.img.i_plane = p_pict->i_planes;
1347 for( i = 0; i < p_pict->i_planes; i++ )
1349 pic.img.plane[i] = p_pict->p[i].p_pixels;
1350 pic.img.i_stride[i] = p_pict->p[i].i_pitch;
1353 #if X264_BUILD >= 0x0013
1354 x264_encoder_encode( p_sys->h, &nal, &i_nal, &pic, &pic );
1356 x264_encoder_encode( p_sys->h, &nal, &i_nal, &pic );
1359 if( !i_nal ) return NULL;
1361 for( i = 0, i_out = 0; i < i_nal; i++ )
1363 int i_size = p_sys->i_buffer - i_out;
1364 x264_nal_encode( p_sys->p_buffer + i_out, &i_size, 1, &nal[i] );
1369 p_block = block_New( p_enc, i_out );
1370 if( !p_block ) return NULL;
1371 memcpy( p_block->p_buffer, p_sys->p_buffer, i_out );
1373 if( pic.i_type == X264_TYPE_IDR || pic.i_type == X264_TYPE_I )
1374 p_block->i_flags |= BLOCK_FLAG_TYPE_I;
1375 else if( pic.i_type == X264_TYPE_P )
1376 p_block->i_flags |= BLOCK_FLAG_TYPE_P;
1377 else if( pic.i_type == X264_TYPE_B )
1378 p_block->i_flags |= BLOCK_FLAG_TYPE_B;
1380 /* This isn't really valid for streams with B-frames */
1381 p_block->i_length = INT64_C(1000000) *
1382 p_enc->fmt_in.video.i_frame_rate_base /
1383 p_enc->fmt_in.video.i_frame_rate;
1385 p_block->i_pts = pic.i_pts;
1387 if( p_sys->param.i_bframe > 0 )
1389 if( p_block->i_flags & BLOCK_FLAG_TYPE_B )
1391 /* FIXME : this is wrong if bpyramid is set */
1392 p_block->i_dts = p_block->i_pts;
1393 p_sys->i_interpolated_dts = p_block->i_dts;
1397 if( p_sys->i_interpolated_dts )
1399 p_block->i_dts = p_sys->i_interpolated_dts;
1403 /* Let's put something sensible */
1404 p_block->i_dts = p_block->i_pts;
1407 p_sys->i_interpolated_dts += p_block->i_length;
1412 p_block->i_dts = p_block->i_pts;
1418 /*****************************************************************************
1419 * CloseEncoder: x264 encoder destruction
1420 *****************************************************************************/
1421 static void Close( vlc_object_t *p_this )
1423 encoder_t *p_enc = (encoder_t *)p_this;
1424 encoder_sys_t *p_sys = p_enc->p_sys;
1426 free( p_sys->psz_stat_name );
1428 x264_encoder_close( p_sys->h );
1430 #ifdef PTW32_STATIC_LIB
1431 vlc_value_t lock, count;
1433 var_Create( p_enc->p_libvlc, "pthread_win32_mutex", VLC_VAR_MUTEX );
1434 var_Get( p_enc->p_libvlc, "pthread_win32_mutex", &lock );
1435 vlc_mutex_lock( lock.p_address );
1437 var_Create( p_enc->p_libvlc, "pthread_win32_count", VLC_VAR_INTEGER );
1438 var_Get( p_enc->p_libvlc, "pthread_win32_count", &count );
1440 var_Set( p_enc->p_libvlc, "pthread_win32_count", count );
1442 if( count.i_int == 0 )
1444 pthread_win32_thread_detach_np();
1445 pthread_win32_process_detach_np();
1446 msg_Dbg( p_enc, "pthread-win32 deinitialized" );
1448 vlc_mutex_unlock( lock.p_address );
1451 free( p_sys->p_buffer );