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,
473 NF_LONGTEXT, false );
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,
588 ME_LONGTEXT, false );
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,
652 NR_LONGTEXT, false );
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_codec = VLC_FOURCC( 'h', '2', '6', '4' );
784 p_enc->fmt_in.i_codec = VLC_FOURCC('I','4','2','0');
786 p_enc->pf_encode_video = Encode;
787 p_enc->pf_encode_audio = NULL;
788 p_enc->p_sys = p_sys = malloc( sizeof( encoder_sys_t ) );
791 p_sys->i_interpolated_dts = 0;
792 p_sys->psz_stat_name = NULL;
794 x264_param_default( &p_sys->param );
795 p_sys->param.i_width = p_enc->fmt_in.video.i_width;
796 p_sys->param.i_height = p_enc->fmt_in.video.i_height;
798 p_sys->param.i_width = p_sys->param.i_width >> 4 << 4;
799 p_sys->param.i_height = p_sys->param.i_height >> 4 << 4;
802 /* average bitrate specified by transcode vb */
803 p_sys->param.rc.i_bitrate = p_enc->fmt_out.i_bitrate / 1000;
805 var_Get( p_enc, SOUT_CFG_PREFIX "qpstep", &val );
806 if( val.i_int >= 0 && val.i_int <= 51 ) p_sys->param.rc.i_qp_step = val.i_int;
807 var_Get( p_enc, SOUT_CFG_PREFIX "qpmin", &val );
808 if( val.i_int >= 0 && val.i_int <= 51 )
811 p_sys->param.rc.i_qp_min = i_qmin;
813 var_Get( p_enc, SOUT_CFG_PREFIX "qpmax", &val );
814 if( val.i_int >= 0 && val.i_int <= 51 )
817 p_sys->param.rc.i_qp_max = i_qmax;
820 var_Get( p_enc, SOUT_CFG_PREFIX "qp", &val );
821 if( val.i_int >= 0 && val.i_int <= 51 )
823 if( i_qmin > val.i_int ) i_qmin = val.i_int;
824 if( i_qmax < val.i_int ) i_qmax = val.i_int;
826 p_sys->param.rc.i_rc_method = X264_RC_CQP;
827 #if X264_BUILD >= 0x000a
828 p_sys->param.rc.i_qp_constant = val.i_int;
829 p_sys->param.rc.i_qp_min = i_qmin;
830 p_sys->param.rc.i_qp_max = i_qmax;
832 p_sys->param.i_qp_constant = val.i_int;
837 /* cbr = 1 overrides qp or crf and sets an average bitrate
838 but maxrate = average bitrate is needed for "real" CBR */
839 if( p_sys->param.rc.i_bitrate > 0 ) p_sys->param.rc.b_cbr = 1;
841 if( p_sys->param.rc.i_bitrate > 0 ) p_sys->param.rc.i_rc_method = X264_RC_ABR;
845 var_Get( p_enc, SOUT_CFG_PREFIX "ratetol", &val );
846 p_sys->param.rc.f_rate_tolerance = val.f_float;
848 var_Get( p_enc, SOUT_CFG_PREFIX "vbv-init", &val );
849 p_sys->param.rc.f_vbv_buffer_init = val.f_float;
851 var_Get( p_enc, SOUT_CFG_PREFIX "vbv-bufsize", &val );
852 p_sys->param.rc.i_vbv_buffer_size = val.i_int;
854 /* x264 vbv-bufsize = 0 (default). if not provided set period
855 in seconds for local maximum bitrate (cache/bufsize) based
856 on average bitrate. */
858 p_sys->param.rc.i_vbv_buffer_size = p_sys->param.rc.i_bitrate * 2;
860 /* max bitrate = average bitrate -> CBR */
861 var_Get( p_enc, SOUT_CFG_PREFIX "vbv-maxrate", &val );
862 p_sys->param.rc.i_vbv_max_bitrate = val.i_int;
865 p_sys->param.rc.i_rc_buffer_size = p_sys->param.rc.i_bitrate;
866 p_sys->param.rc.i_rc_init_buffer = p_sys->param.rc.i_bitrate / 4;
869 var_Get( p_enc, SOUT_CFG_PREFIX "cabac", &val );
870 p_sys->param.b_cabac = val.b_bool;
872 /* disable deblocking when nf (no loop filter) is enabled */
873 var_Get( p_enc, SOUT_CFG_PREFIX "nf", &val );
874 p_sys->param.b_deblocking_filter = !val.b_bool;
876 var_Get( p_enc, SOUT_CFG_PREFIX "deblock", &val );
879 char *p = strchr( val.psz_string, ':' );
880 p_sys->param.i_deblocking_filter_alphac0 = atoi( val.psz_string );
881 p_sys->param.i_deblocking_filter_beta = p ? atoi( p+1 ) : p_sys->param.i_deblocking_filter_alphac0;
882 free( val.psz_string );
885 var_Get( p_enc, SOUT_CFG_PREFIX "level", &val );
888 if( atof (val.psz_string) < 6 )
889 p_sys->param.i_level_idc = (int) ( 10 * atof (val.psz_string) + .5);
891 p_sys->param.i_level_idc = atoi (val.psz_string);
892 free( val.psz_string );
895 #if X264_BUILD >= 51 /* r570 */
896 var_Get( p_enc, SOUT_CFG_PREFIX "interlaced", &val );
897 p_sys->param.b_interlaced = val.b_bool;
900 var_Get( p_enc, SOUT_CFG_PREFIX "ipratio", &val );
901 p_sys->param.rc.f_ip_factor = val.f_float;
903 var_Get( p_enc, SOUT_CFG_PREFIX "pbratio", &val );
904 p_sys->param.rc.f_pb_factor = val.f_float;
906 var_Get( p_enc, SOUT_CFG_PREFIX "qcomp", &val );
907 p_sys->param.rc.f_qcompress = val.f_float;
909 var_Get( p_enc, SOUT_CFG_PREFIX "cplxblur", &val );
910 p_sys->param.rc.f_complexity_blur = val.f_float;
912 var_Get( p_enc, SOUT_CFG_PREFIX "qblur", &val );
913 p_sys->param.rc.f_qblur = val.f_float;
916 var_Get( p_enc, SOUT_CFG_PREFIX "aq-mode", &val );
917 p_sys->param.rc.i_aq_mode = val.i_int;
919 var_Get( p_enc, SOUT_CFG_PREFIX "aq-strength", &val );
920 p_sys->param.rc.f_aq_strength = val.f_float;
923 #if X264_BUILD >= 0x000e
924 var_Get( p_enc, SOUT_CFG_PREFIX "verbose", &val );
925 if( val.b_bool ) p_sys->param.i_log_level = X264_LOG_DEBUG;
928 var_Get( p_enc, SOUT_CFG_PREFIX "quiet", &val );
929 if( val.b_bool ) p_sys->param.i_log_level = X264_LOG_NONE;
931 #if X264_BUILD >= 47 /* r518 */
932 var_Get( p_enc, SOUT_CFG_PREFIX "sps-id", &val );
933 if( val.i_int >= 0 ) p_sys->param.i_sps_id = val.i_int;
936 var_Get( p_enc, SOUT_CFG_PREFIX "aud", &val );
937 if( val.b_bool ) p_sys->param.b_aud = val.b_bool;
939 var_Get( p_enc, SOUT_CFG_PREFIX "keyint", &val );
940 #if X264_BUILD >= 0x000e
941 if( val.i_int > 0 ) p_sys->param.i_keyint_max = val.i_int;
943 if( val.i_int > 0 ) p_sys->param.i_iframe = val.i_int;
946 var_Get( p_enc, SOUT_CFG_PREFIX "min-keyint", &val );
947 #if X264_BUILD >= 0x000e
948 if( val.i_int > 0 ) p_sys->param.i_keyint_min = val.i_int;
950 if( val.i_int > 0 ) p_sys->param.i_idrframe = val.i_int;
953 var_Get( p_enc, SOUT_CFG_PREFIX "bframes", &val );
954 if( val.i_int >= 0 && val.i_int <= 16 )
955 p_sys->param.i_bframe = val.i_int;
958 var_Get( p_enc, SOUT_CFG_PREFIX "bpyramid", &val );
959 p_sys->param.b_bframe_pyramid = val.b_bool;
962 var_Get( p_enc, SOUT_CFG_PREFIX "ref", &val );
963 if( val.i_int > 0 && val.i_int <= 15 )
964 p_sys->param.i_frame_reference = val.i_int;
966 var_Get( p_enc, SOUT_CFG_PREFIX "scenecut", &val );
967 #if X264_BUILD >= 0x000b
968 if( val.i_int >= -1 && val.i_int <= 100 )
969 p_sys->param.i_scenecut_threshold = val.i_int;
972 #if X264_BUILD >= 55 /* r607 */
973 var_Get( p_enc, SOUT_CFG_PREFIX "pre-scenecut", &val );
974 p_sys->param.b_pre_scenecut = val.b_bool;
975 var_Get( p_enc, SOUT_CFG_PREFIX "non-deterministic", &val );
976 p_sys->param.b_deterministic = val.b_bool;
979 var_Get( p_enc, SOUT_CFG_PREFIX "subme", &val );
980 if( val.i_int >= 1 && val.i_int <= SUBME_MAX )
981 p_sys->param.analyse.i_subpel_refine = val.i_int;
984 var_Get( p_enc, SOUT_CFG_PREFIX "me", &val );
985 if( !strcmp( val.psz_string, "dia" ) )
987 p_sys->param.analyse.i_me_method = X264_ME_DIA;
989 else if( !strcmp( val.psz_string, "hex" ) )
991 p_sys->param.analyse.i_me_method = X264_ME_HEX;
993 else if( !strcmp( val.psz_string, "umh" ) )
995 p_sys->param.analyse.i_me_method = X264_ME_UMH;
997 else if( !strcmp( val.psz_string, "esa" ) )
999 p_sys->param.analyse.i_me_method = X264_ME_ESA;
1001 # if X264_BUILD >= 58 /* r728 */
1002 else if( !strcmp( val.psz_string, "tesa" ) )
1004 p_sys->param.analyse.i_me_method = X264_ME_TESA;
1007 free( val.psz_string );
1009 var_Get( p_enc, SOUT_CFG_PREFIX "merange", &val );
1010 if( val.i_int >= 0 && val.i_int <= 64 )
1011 p_sys->param.analyse.i_me_range = val.i_int;
1013 var_Get( p_enc, SOUT_CFG_PREFIX "mvrange", &val );
1014 p_sys->param.analyse.i_mv_range = val.i_int;
1017 #if X264_BUILD >= 55 /* r607 */
1018 var_Get( p_enc, SOUT_CFG_PREFIX "mvrange-thread", &val );
1019 p_sys->param.analyse.i_mv_range_thread = val.i_int;
1022 var_Get( p_enc, SOUT_CFG_PREFIX "direct", &val );
1023 if( !strcmp( val.psz_string, "none" ) )
1025 p_sys->param.analyse.i_direct_mv_pred = X264_DIRECT_PRED_NONE;
1027 else if( !strcmp( val.psz_string, "spatial" ) )
1029 p_sys->param.analyse.i_direct_mv_pred = X264_DIRECT_PRED_SPATIAL;
1031 else if( !strcmp( val.psz_string, "temporal" ) )
1033 p_sys->param.analyse.i_direct_mv_pred = X264_DIRECT_PRED_TEMPORAL;
1035 #if X264_BUILD >= 45 /* r457 */
1036 else if( !strcmp( val.psz_string, "auto" ) )
1038 p_sys->param.analyse.i_direct_mv_pred = X264_DIRECT_PRED_AUTO;
1041 free( val.psz_string );
1043 var_Get( p_enc, SOUT_CFG_PREFIX "psnr", &val );
1044 p_sys->param.analyse.b_psnr = val.b_bool;
1046 #if X264_BUILD >= 50 /* r554 */
1047 var_Get( p_enc, SOUT_CFG_PREFIX "ssim", &val );
1048 p_sys->param.analyse.b_ssim = val.b_bool;
1051 #if X264_BUILD >= 0x0012
1052 var_Get( p_enc, SOUT_CFG_PREFIX "weightb", &val );
1053 p_sys->param.analyse.b_weighted_bipred = val.b_bool;
1056 #if X264_BUILD >= 0x0013
1057 var_Get( p_enc, SOUT_CFG_PREFIX "b-adapt", &val );
1058 #if X264_BUILD >= 63
1059 p_sys->param.i_bframe_adaptive = val.i_int;
1061 p_sys->param.b_bframe_adaptive = val.b_bool;
1064 var_Get( p_enc, SOUT_CFG_PREFIX "b-bias", &val );
1065 if( val.i_int >= -100 && val.i_int <= 100 )
1066 p_sys->param.i_bframe_bias = val.i_int;
1069 #if X264_BUILD >= 23
1070 var_Get( p_enc, SOUT_CFG_PREFIX "chroma-me", &val );
1071 p_sys->param.analyse.b_chroma_me = val.b_bool;
1072 var_Get( p_enc, SOUT_CFG_PREFIX "chroma-qp-offset", &val );
1073 p_sys->param.analyse.i_chroma_qp_offset = val.i_int;
1076 #if X264_BUILD >= 36
1077 var_Get( p_enc, SOUT_CFG_PREFIX "mixed-refs", &val );
1078 p_sys->param.analyse.b_mixed_references = val.b_bool;
1081 #if X264_BUILD >= 37
1082 var_Get( p_enc, SOUT_CFG_PREFIX "crf", &val );
1083 if( val.i_int > 0 && val.i_int <= 51 )
1085 # if X264_BUILD >= 54
1086 p_sys->param.rc.f_rf_constant = val.i_int;
1088 p_sys->param.rc.i_rf_constant = val.i_int;
1090 # if X264_BUILD >= 48
1091 p_sys->param.rc.i_rc_method = X264_RC_CRF;
1096 #if X264_BUILD >= 39
1097 var_Get( p_enc, SOUT_CFG_PREFIX "trellis", &val );
1098 if( val.i_int >= 0 && val.i_int <= 2 )
1099 p_sys->param.analyse.i_trellis = val.i_int;
1102 #if X264_BUILD >= 41 && X264_BUILD < 65
1103 var_Get( p_enc, SOUT_CFG_PREFIX "b-rdo", &val );
1104 p_sys->param.analyse.b_bframe_rdo = val.b_bool;
1107 #if X264_BUILD >= 42
1108 var_Get( p_enc, SOUT_CFG_PREFIX "fast-pskip", &val );
1109 p_sys->param.analyse.b_fast_pskip = val.b_bool;
1112 #if X264_BUILD >= 43 && X264_BUILD < 65
1113 var_Get( p_enc, SOUT_CFG_PREFIX "bime", &val );
1114 p_sys->param.analyse.b_bidir_me = val.b_bool;
1117 #if X264_BUILD >= 44
1118 var_Get( p_enc, SOUT_CFG_PREFIX "nr", &val );
1119 if( val.i_int >= 0 && val.i_int <= 1000 )
1120 p_sys->param.analyse.i_noise_reduction = val.i_int;
1123 #if X264_BUILD >= 46
1124 var_Get( p_enc, SOUT_CFG_PREFIX "dct-decimate", &val );
1125 p_sys->param.analyse.b_dct_decimate = val.b_bool;
1128 #if X264_BUILD >= 52
1129 var_Get( p_enc, SOUT_CFG_PREFIX "deadzone-inter", &val );
1130 if( val.i_int >= 0 && val.i_int <= 32 )
1131 p_sys->param.analyse.i_luma_deadzone[0] = val.i_int;
1133 var_Get( p_enc, SOUT_CFG_PREFIX "deadzone-intra", &val );
1134 if( val.i_int >= 0 && val.i_int <= 32 )
1135 p_sys->param.analyse.i_luma_deadzone[1] = val.i_int;
1137 var_Get( p_enc, SOUT_CFG_PREFIX "direct-8x8", &val );
1138 if( val.i_int >= -1 && val.i_int <= 1 )
1139 p_sys->param.analyse.i_direct_8x8_inference = val.i_int;
1142 var_Get( p_enc, SOUT_CFG_PREFIX "asm", &val );
1143 if( !val.b_bool ) p_sys->param.cpu = 0;
1145 #ifndef X264_ANALYSE_BSUB16x16
1146 # define X264_ANALYSE_BSUB16x16 0
1148 var_Get( p_enc, SOUT_CFG_PREFIX "partitions", &val );
1149 if( !strcmp( val.psz_string, "none" ) )
1151 p_sys->param.analyse.inter = 0;
1153 else if( !strcmp( val.psz_string, "fast" ) )
1155 p_sys->param.analyse.inter = X264_ANALYSE_I4x4;
1157 else if( !strcmp( val.psz_string, "normal" ) )
1159 p_sys->param.analyse.inter =
1161 X264_ANALYSE_PSUB16x16;
1162 #ifdef X264_ANALYSE_I8x8
1163 p_sys->param.analyse.inter |= X264_ANALYSE_I8x8;
1166 else if( !strcmp( val.psz_string, "slow" ) )
1168 p_sys->param.analyse.inter =
1170 X264_ANALYSE_PSUB16x16 |
1171 X264_ANALYSE_BSUB16x16;
1172 #ifdef X264_ANALYSE_I8x8
1173 p_sys->param.analyse.inter |= X264_ANALYSE_I8x8;
1176 else if( !strcmp( val.psz_string, "all" ) )
1178 p_sys->param.analyse.inter =
1180 X264_ANALYSE_PSUB16x16 |
1181 X264_ANALYSE_BSUB16x16 |
1182 X264_ANALYSE_PSUB8x8;
1183 #ifdef X264_ANALYSE_I8x8
1184 p_sys->param.analyse.inter |= X264_ANALYSE_I8x8;
1187 free( val.psz_string );
1189 #if X264_BUILD >= 30
1190 var_Get( p_enc, SOUT_CFG_PREFIX "8x8dct", &val );
1191 p_sys->param.analyse.b_transform_8x8 = val.b_bool;
1194 if( p_enc->fmt_in.video.i_aspect > 0 )
1196 int64_t i_num, i_den;
1197 unsigned int i_dst_num, i_dst_den;
1199 i_num = p_enc->fmt_in.video.i_aspect *
1200 (int64_t)p_enc->fmt_in.video.i_height;
1201 i_den = VOUT_ASPECT_FACTOR * p_enc->fmt_in.video.i_width;
1202 vlc_ureduce( &i_dst_num, &i_dst_den, i_num, i_den, 0 );
1204 p_sys->param.vui.i_sar_width = i_dst_num;
1205 p_sys->param.vui.i_sar_height = i_dst_den;
1208 if( p_enc->fmt_in.video.i_frame_rate_base > 0 )
1210 p_sys->param.i_fps_num = p_enc->fmt_in.video.i_frame_rate;
1211 p_sys->param.i_fps_den = p_enc->fmt_in.video.i_frame_rate_base;
1214 unsigned i_cpu = vlc_CPU();
1215 if( !(i_cpu & CPU_CAPABILITY_MMX) )
1217 p_sys->param.cpu &= ~X264_CPU_MMX;
1219 if( !(i_cpu & CPU_CAPABILITY_MMXEXT) )
1221 p_sys->param.cpu &= ~X264_CPU_MMXEXT;
1223 if( !(i_cpu & CPU_CAPABILITY_SSE) )
1225 p_sys->param.cpu &= ~X264_CPU_SSE;
1227 if( !(i_cpu & CPU_CAPABILITY_SSE2) )
1229 p_sys->param.cpu &= ~X264_CPU_SSE2;
1232 /* BUILD 29 adds support for multi-threaded encoding while BUILD 49 (r543)
1233 also adds support for threads = 0 for automatically selecting an optimal
1234 value (cores * 1.5) based on detected CPUs. Default behavior for x264 is
1235 threads = 1, however VLC usage differs and uses threads = 0 (auto) by
1236 default unless ofcourse transcode threads is explicitly specified.. */
1237 #if X264_BUILD >= 29
1238 p_sys->param.i_threads = p_enc->i_threads;
1241 var_Get( p_enc, SOUT_CFG_PREFIX "stats", &val );
1242 if( val.psz_string )
1244 p_sys->param.rc.psz_stat_in =
1245 p_sys->param.rc.psz_stat_out =
1246 p_sys->psz_stat_name = val.psz_string;
1249 var_Get( p_enc, SOUT_CFG_PREFIX "pass", &val );
1250 if( val.i_int > 0 && val.i_int <= 3 )
1252 p_sys->param.rc.b_stat_write = val.i_int & 1;
1253 p_sys->param.rc.b_stat_read = val.i_int & 2;
1256 /* We need to initialize pthreadw32 before we open the encoder,
1257 but only oncce for the whole application. Since pthreadw32
1258 doesn't keep a refcount, do it ourselves. */
1259 #ifdef PTW32_STATIC_LIB
1260 vlc_value_t lock, count;
1262 var_Create( p_enc->p_libvlc, "pthread_win32_mutex", VLC_VAR_MUTEX );
1263 var_Get( p_enc->p_libvlc, "pthread_win32_mutex", &lock );
1264 vlc_mutex_lock( lock.p_address );
1266 var_Create( p_enc->p_libvlc, "pthread_win32_count", VLC_VAR_INTEGER );
1267 var_Get( p_enc->p_libvlc, "pthread_win32_count", &count );
1269 if( count.i_int == 0 )
1271 msg_Dbg( p_enc, "initializing pthread-win32" );
1272 if( !pthread_win32_process_attach_np() || !pthread_win32_thread_attach_np() )
1274 msg_Warn( p_enc, "pthread Win32 Initialization failed" );
1275 vlc_mutex_unlock( lock.p_address );
1276 return VLC_EGENERIC;
1281 var_Set( p_enc->p_libvlc, "pthread_win32_count", count );
1282 vlc_mutex_unlock( lock.p_address );
1286 /* Open the encoder */
1287 p_sys->h = x264_encoder_open( &p_sys->param );
1290 p_sys->i_buffer = 4 * p_enc->fmt_in.video.i_width *
1291 p_enc->fmt_in.video.i_height + 1000;
1292 p_sys->p_buffer = malloc( p_sys->i_buffer );
1293 if( !p_sys->p_buffer )
1295 Close( VLC_OBJECT(p_enc) );
1299 /* get the globals headers */
1300 p_enc->fmt_out.i_extra = 0;
1301 p_enc->fmt_out.p_extra = NULL;
1303 x264_encoder_headers( p_sys->h, &nal, &i_nal );
1304 for( i = 0; i < i_nal; i++ )
1307 int i_size = p_sys->i_buffer;
1309 x264_nal_encode( p_sys->p_buffer, &i_size, 1, &nal[i] );
1311 p_tmp = realloc( p_enc->fmt_out.p_extra, p_enc->fmt_out.i_extra + i_size );
1314 Close( VLC_OBJECT(p_enc) );
1317 p_enc->fmt_out.p_extra = p_tmp;
1319 memcpy( (uint8_t*)p_enc->fmt_out.p_extra + p_enc->fmt_out.i_extra,
1320 p_sys->p_buffer, i_size );
1322 p_enc->fmt_out.i_extra += i_size;
1328 /****************************************************************************
1330 ****************************************************************************/
1331 static block_t *Encode( encoder_t *p_enc, picture_t *p_pict )
1333 encoder_sys_t *p_sys = p_enc->p_sys;
1337 int i_nal, i_out, i;
1340 memset( &pic, 0, sizeof( x264_picture_t ) );
1341 pic.i_pts = p_pict->date;
1342 pic.img.i_csp = X264_CSP_I420;
1343 pic.img.i_plane = p_pict->i_planes;
1344 for( i = 0; i < p_pict->i_planes; i++ )
1346 pic.img.plane[i] = p_pict->p[i].p_pixels;
1347 pic.img.i_stride[i] = p_pict->p[i].i_pitch;
1350 #if X264_BUILD >= 0x0013
1351 x264_encoder_encode( p_sys->h, &nal, &i_nal, &pic, &pic );
1353 x264_encoder_encode( p_sys->h, &nal, &i_nal, &pic );
1356 if( !i_nal ) return NULL;
1358 for( i = 0, i_out = 0; i < i_nal; i++ )
1360 int i_size = p_sys->i_buffer - i_out;
1361 x264_nal_encode( p_sys->p_buffer + i_out, &i_size, 1, &nal[i] );
1366 p_block = block_New( p_enc, i_out );
1367 if( !p_block ) return NULL;
1368 memcpy( p_block->p_buffer, p_sys->p_buffer, i_out );
1370 if( pic.i_type == X264_TYPE_IDR || pic.i_type == X264_TYPE_I )
1371 p_block->i_flags |= BLOCK_FLAG_TYPE_I;
1372 else if( pic.i_type == X264_TYPE_P )
1373 p_block->i_flags |= BLOCK_FLAG_TYPE_P;
1374 else if( pic.i_type == X264_TYPE_B )
1375 p_block->i_flags |= BLOCK_FLAG_TYPE_B;
1377 /* This isn't really valid for streams with B-frames */
1378 p_block->i_length = INT64_C(1000000) *
1379 p_enc->fmt_in.video.i_frame_rate_base /
1380 p_enc->fmt_in.video.i_frame_rate;
1382 p_block->i_pts = pic.i_pts;
1384 if( p_sys->param.i_bframe > 0 )
1386 if( p_block->i_flags & BLOCK_FLAG_TYPE_B )
1388 /* FIXME : this is wrong if bpyramid is set */
1389 p_block->i_dts = p_block->i_pts;
1390 p_sys->i_interpolated_dts = p_block->i_dts;
1394 if( p_sys->i_interpolated_dts )
1396 p_block->i_dts = p_sys->i_interpolated_dts;
1400 /* Let's put something sensible */
1401 p_block->i_dts = p_block->i_pts;
1404 p_sys->i_interpolated_dts += p_block->i_length;
1409 p_block->i_dts = p_block->i_pts;
1415 /*****************************************************************************
1416 * CloseEncoder: x264 encoder destruction
1417 *****************************************************************************/
1418 static void Close( vlc_object_t *p_this )
1420 encoder_t *p_enc = (encoder_t *)p_this;
1421 encoder_sys_t *p_sys = p_enc->p_sys;
1423 free( p_sys->psz_stat_name );
1425 x264_encoder_close( p_sys->h );
1427 #ifdef PTW32_STATIC_LIB
1428 vlc_value_t lock, count;
1430 var_Create( p_enc->p_libvlc, "pthread_win32_mutex", VLC_VAR_MUTEX );
1431 var_Get( p_enc->p_libvlc, "pthread_win32_mutex", &lock );
1432 vlc_mutex_lock( lock.p_address );
1434 var_Create( p_enc->p_libvlc, "pthread_win32_count", VLC_VAR_INTEGER );
1435 var_Get( p_enc->p_libvlc, "pthread_win32_count", &count );
1437 var_Set( p_enc->p_libvlc, "pthread_win32_count", count );
1439 if( count.i_int == 0 )
1441 pthread_win32_thread_detach_np();
1442 pthread_win32_process_detach_np();
1443 msg_Dbg( p_enc, "pthread-win32 deinitialized" );
1445 vlc_mutex_unlock( lock.p_address );
1448 free( p_sys->p_buffer );