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")
89 #define B_ADAPT_LONGTEXT N_( "Force the specified number of " \
90 "consecutive B-frames to be used, except possibly before an I-frame." )
92 #define B_BIAS_TEXT N_("Influence (bias) B-frames usage")
93 #define B_BIAS_LONGTEXT N_( "Bias the choice to use B-frames. Positive values " \
94 "cause more B-frames, negative values cause less B-frames." )
96 #define BPYRAMID_TEXT N_("Keep some B-frames as references")
97 #define BPYRAMID_LONGTEXT N_( "Allows B-frames to be used as references for " \
98 "predicting other frames. Keeps the middle of 2+ consecutive B-frames " \
99 "as a reference, and reorders frame appropriately." )
101 #define CABAC_TEXT N_("CABAC")
102 #define CABAC_LONGTEXT N_( "CABAC (Context-Adaptive Binary Arithmetic "\
103 "Coding). Slightly slows down encoding and decoding, but should save " \
104 "10 to 15% bitrate." )
106 #define REF_TEXT N_("Number of reference frames")
107 #define REF_LONGTEXT N_( "Number of previous frames used as predictors. " \
108 "This is effective in Anime, but seems to make little difference in " \
109 "live-action source material. Some decoders are unable to deal with " \
110 "large frameref values. Range 1 to 16." )
112 #define NF_TEXT N_("Skip loop filter")
113 #define NF_LONGTEXT N_( "Deactivate the deblocking loop filter (decreases quality).")
115 #define FILTER_TEXT N_("Loop filter AlphaC0 and Beta parameters alpha:beta")
116 #define FILTER_LONGTEXT N_( "Loop filter AlphaC0 and Beta parameters. " \
117 "Range -6 to 6 for both alpha and beta parameters. -6 means light " \
118 "filter, 6 means strong.")
120 #define LEVEL_TEXT N_("H.264 level")
121 #define LEVEL_LONGTEXT N_( "Specify H.264 level (as defined by Annex A " \
122 "of the standard). Levels are not enforced; it's up to the user to select " \
123 "a level compatible with the rest of the encoding options. Range 1 to 5.1 " \
124 "(10 to 51 is also allowed).")
126 /* In order to play an interlaced output stream encoded by x264, a decoder needs
127 mbaff support. r570 is using the 'mb' part and not 'aff' yet; so it's really
128 'pure-interlaced' mode */
129 #if X264_BUILD >= 51 /* r570 */
130 #define INTERLACED_TEXT N_("Interlaced mode")
131 #define INTERLACED_LONGTEXT N_( "Pure-interlaced mode.")
136 #define QP_TEXT N_("Set QP")
137 #define QP_LONGTEXT N_( "This selects the quantizer to use. " \
138 "Lower values result in better fidelity, but higher bitrates. 26 is a " \
139 "good default value. Range 0 (lossless) to 51." )
141 #define CRF_TEXT N_("Quality-based VBR")
142 #define CRF_LONGTEXT N_( "1-pass Quality-based VBR. Range 0 to 51." )
144 #define QPMIN_TEXT N_("Min QP")
145 #define QPMIN_LONGTEXT N_( "Minimum quantizer parameter. 15 to 35 seems to " \
146 "be a useful range." )
148 #define QPMAX_TEXT N_("Max QP")
149 #define QPMAX_LONGTEXT N_( "Maximum quantizer parameter." )
151 #define QPSTEP_TEXT N_("Max QP step")
152 #define QPSTEP_LONGTEXT N_( "Max QP step between frames.")
154 #define RATETOL_TEXT N_("Average bitrate tolerance")
155 #define RATETOL_LONGTEXT N_( "Allowed variance in average " \
156 "bitrate (in kbits/s).")
158 #define VBV_MAXRATE_TEXT N_("Max local bitrate")
159 #define VBV_MAXRATE_LONGTEXT N_( "Sets a maximum local bitrate (in kbits/s).")
161 #define VBV_BUFSIZE_TEXT N_("VBV buffer")
162 #define VBV_BUFSIZE_LONGTEXT N_( "Averaging period for the maximum " \
163 "local bitrate (in kbits).")
165 #define VBV_INIT_TEXT N_("Initial VBV buffer occupancy")
166 #define VBV_INIT_LONGTEXT N_( "Sets the initial buffer occupancy as a " \
167 "fraction of the buffer size. Range 0.0 to 1.0.")
170 #define AQ_MODE_TEXT N_("How AQ distributes bits")
171 #define AQ_MODE_LONGTEXT N_("Defines bitdistribution mode for AQ, default 2\n" \
173 " - 1: Avoid moving bits between frames\n"\
174 " - 2: Move bits between frames")
176 #define AQ_STRENGTH_TEXT N_("Strength of AQ")
177 #define AQ_STRENGTH_LONGTEXT N_("Strength to reduce blocking and blurring in flat\n"\
178 "and textured areas, default 1.0 recommented to be between 0..2\n"\
183 /* IP Ratio < 1 is technically valid but should never improve quality */
184 #define IPRATIO_TEXT N_("QP factor between I and P")
185 #define IPRATIO_LONGTEXT N_( "QP factor between I and P. Range 1.0 to 2.0.")
187 /* PB ratio < 1 is not valid and breaks ratecontrol */
188 #define PBRATIO_TEXT N_("QP factor between P and B")
189 #define PBRATIO_LONGTEXT N_( "QP factor between P and B. Range 1.0 to 2.0.")
191 #define CHROMA_QP_OFFSET_TEXT N_("QP difference between chroma and luma")
192 #define CHROMA_QP_OFFSET_LONGTEXT N_( "QP difference between chroma and luma.")
194 #define PASS_TEXT N_("Multipass ratecontrol")
195 #define PASS_LONGTEXT N_( "Multipass ratecontrol:\n" \
196 " - 1: First pass, creates stats file\n" \
197 " - 2: Last pass, does not overwrite stats file\n" \
198 " - 3: Nth pass, overwrites stats file\n" )
200 #define QCOMP_TEXT N_("QP curve compression")
201 #define QCOMP_LONGTEXT N_( "QP curve compression. Range 0.0 (CBR) to 1.0 (QCP).")
203 #define CPLXBLUR_TEXT N_("Reduce fluctuations in QP")
204 #define CPLXBLUR_LONGTEXT N_( "This reduces the fluctuations in QP " \
205 "before curve compression. Temporally blurs complexity.")
207 #define QBLUR_TEXT N_("Reduce fluctuations in QP")
208 #define QBLUR_LONGTEXT N_( "This reduces the fluctations in QP " \
209 "after curve compression. Temporally blurs quants.")
213 #define ANALYSE_TEXT N_("Partitions to consider")
214 #define ANALYSE_LONGTEXT N_( "Partitions to consider in analyse mode: \n" \
217 " - normal: i4x4,p8x8,(i8x8)\n" \
218 " - slow : i4x4,p8x8,(i8x8),b8x8\n" \
219 " - all : i4x4,p8x8,(i8x8),b8x8,p4x4\n" \
220 "(p4x4 requires p8x8. i8x8 requires 8x8dct).")
222 #define DIRECT_PRED_TEXT N_("Direct MV prediction mode")
223 #define DIRECT_PRED_LONGTEXT N_( "Direct MV prediction mode.")
225 #if X264_BUILD >= 52 /* r573 */
226 #define DIRECT_PRED_SIZE_TEXT N_("Direct prediction size")
227 #define DIRECT_PRED_SIZE_LONGTEXT N_( "Direct prediction size: "\
230 " - -1: smallest possible according to level\n" )
233 #define WEIGHTB_TEXT N_("Weighted prediction for B-frames")
234 #define WEIGHTB_LONGTEXT N_( "Weighted prediction for B-frames.")
236 #define ME_TEXT N_("Integer pixel motion estimation method")
237 #if X264_BUILD >= 58 /* r728 */
238 #define ME_LONGTEXT N_( "Selects the motion estimation algorithm: "\
239 " - dia: diamond search, radius 1 (fast)\n" \
240 " - hex: hexagonal search, radius 2\n" \
241 " - umh: uneven multi-hexagon search (better but slower)\n" \
242 " - esa: exhaustive search (extremely slow, primarily for testing)\n" \
243 " - tesa: hadamard exhaustive search (extremely slow, primarily for testing)\n" )
245 #define ME_LONGTEXT N_( "Selects the motion estimation algorithm: "\
246 " - dia: diamond search, radius 1 (fast)\n" \
247 " - hex: hexagonal search, radius 2\n" \
248 " - umh: uneven multi-hexagon search (better but slower)\n" \
249 " - esa: exhaustive search (extremely slow, primarily for testing)\n" )
253 #define MERANGE_TEXT N_("Maximum motion vector search range")
254 #define MERANGE_LONGTEXT N_( "Maximum distance to search for " \
255 "motion estimation, measured from predicted position(s). " \
256 "Default of 16 is good for most footage, high motion sequences may " \
257 "benefit from settings between 24 and 32. Range 0 to 64." )
259 #define MVRANGE_TEXT N_("Maximum motion vector length")
260 #define MVRANGE_LONGTEXT N_( "Maximum motion vector length in pixels. " \
261 "-1 is automatic, based on level." )
264 #if X264_BUILD >= 55 /* r607 */
265 #define MVRANGE_THREAD_TEXT N_("Minimum buffer space between threads")
266 #define MVRANGE_THREAD_LONGTEXT N_( "Minimum buffer space between threads. " \
267 "-1 is automatic, based on number of threads." )
270 #define SUBME_TEXT N_("Subpixel motion estimation and partition decision " \
272 #if X264_BUILD >= 46 /* r477 */
274 #define SUBME_LONGTEXT N_( "This parameter controls quality versus speed " \
275 "tradeoffs involved in the motion estimation decision process " \
276 "(lower = quicker and higher = better quality). Range 1 to 7." )
277 #elif X264_BUILD >= 30 /* r262 */
279 #define SUBME_LONGTEXT N_( "This parameter controls quality versus speed " \
280 "tradeoffs involved in the motion estimation decision process " \
281 "(lower = quicker and higher = better quality). Range 1 to 6." )
284 #define SUBME_LONGTEXT N_( "This parameter controls quality versus speed " \
285 "tradeoffs involved in the motion estimation decision process " \
286 "(lower = quicker and higher = better quality). Range 1 to 5." )
289 #define B_RDO_TEXT N_("RD based mode decision for B-frames")
290 #define B_RDO_LONGTEXT N_( "RD based mode decision for B-frames. This " \
291 "requires subme 6 (or higher).")
293 #define MIXED_REFS_TEXT N_("Decide references on a per partition basis")
294 #define MIXED_REFS_LONGTEXT N_( "Allows each 8x8 or 16x8 partition to " \
295 "independently select a reference frame, as opposed to only one ref " \
298 #define CHROMA_ME_TEXT N_("Chroma in motion estimation")
299 #define CHROMA_ME_LONGTEXT N_( "Chroma ME for subpel and mode decision in " \
302 #define BIME_TEXT N_("Jointly optimize both MVs in B-frames")
303 #define BIME_LONGTEXT N_( "Joint bidirectional motion refinement.")
305 #define TRANSFORM_8X8DCT_TEXT N_("Adaptive spatial transform size")
306 #define TRANSFORM_8X8DCT_LONGTEXT N_( \
307 "SATD-based decision for 8x8 transform in inter-MBs.")
309 #define TRELLIS_TEXT N_("Trellis RD quantization" )
310 #define TRELLIS_LONGTEXT N_( "Trellis RD quantization: \n" \
312 " - 1: enabled only on the final encode of a MB\n" \
313 " - 2: enabled on all mode decisions\n" \
314 "This requires CABAC." )
316 #define FAST_PSKIP_TEXT N_("Early SKIP detection on P-frames")
317 #define FAST_PSKIP_LONGTEXT N_( "Early SKIP detection on P-frames.")
319 #define DCT_DECIMATE_TEXT N_("Coefficient thresholding on P-frames")
320 #define DCT_DECIMATE_LONGTEXT N_( "Coefficient thresholding on P-frames." \
321 "Eliminate dct blocks containing only a small single coefficient.")
323 /* Noise reduction 1 is too weak to measure, suggest at least 10 */
324 #define NR_TEXT N_("Noise reduction")
325 #define NR_LONGTEXT N_( "Dct-domain noise reduction. Adaptive pseudo-deadzone. " \
326 "10 to 1000 seems to be a useful range." )
328 #if X264_BUILD >= 52 /* r573 */
329 #define DEADZONE_INTER_TEXT N_("Inter luma quantization deadzone")
330 #define DEADZONE_INTER_LONGTEXT N_( "Set the size of the inter luma quantization deadzone. " \
333 #define DEADZONE_INTRA_TEXT N_("Intra luma quantization deadzone")
334 #define DEADZONE_INTRA_LONGTEXT N_( "Set the size of the intra luma quantization deadzone. " \
340 #if X264_BUILD >= 55 /* r607 */
341 #define NON_DETERMINISTIC_TEXT N_("Non-deterministic optimizations when threaded")
342 #define NON_DETERMINISTIC_LONGTEXT N_( "Slightly improve quality of SMP, " \
343 "at the cost of repeatability.")
346 #define ASM_TEXT N_("CPU optimizations")
347 #define ASM_LONGTEXT N_( "Use assembler CPU optimizations.")
349 #define STATS_TEXT N_("Filename for 2 pass stats file")
350 #define STATS_LONGTEXT N_( "Filename for 2 pass stats file for multi-pass encoding.")
352 #define PSNR_TEXT N_("PSNR computation")
353 #define PSNR_LONGTEXT N_( "Compute and print PSNR stats. This has no effect on " \
354 "the actual encoding quality." )
356 #define SSIM_TEXT N_("SSIM computation")
357 #define SSIM_LONGTEXT N_( "Compute and print SSIM stats. This has no effect on " \
358 "the actual encoding quality." )
360 #define QUIET_TEXT N_("Quiet mode")
361 #define QUIET_LONGTEXT N_( "Quiet mode.")
363 #define VERBOSE_TEXT N_("Statistics")
364 #define VERBOSE_LONGTEXT N_( "Print stats for each frame.")
366 #if X264_BUILD >= 47 /* r518 */
367 #define SPS_ID_TEXT N_("SPS and PPS id numbers")
368 #define SPS_ID_LONGTEXT N_( "Set SPS and PPS id numbers to allow concatenating " \
369 "streams with different settings.")
372 #define AUD_TEXT N_("Access unit delimiters")
373 #define AUD_LONGTEXT N_( "Generate access unit delimiter NAL units.")
375 #if X264_BUILD >= 24 && X264_BUILD < 58
376 static const char *const enc_me_list[] =
377 { "dia", "hex", "umh", "esa" };
378 static const char *const enc_me_list_text[] =
379 { N_("dia"), N_("hex"), N_("umh"), N_("esa") };
382 #if X264_BUILD >= 58 /* r728 */
383 static const char *const enc_me_list[] =
384 { "dia", "hex", "umh", "esa", "tesa" };
385 static const char *const enc_me_list_text[] =
386 { N_("dia"), N_("hex"), N_("umh"), N_("esa"), N_("tesa") };
389 static const char *const enc_analyse_list[] =
390 { "none", "fast", "normal", "slow", "all" };
391 static const char *const enc_analyse_list_text[] =
392 { N_("none"), N_("fast"), N_("normal"), N_("slow"), N_("all") };
394 #if X264_BUILD >= 45 /* r457 */
395 static const char *const direct_pred_list[] =
396 { "none", "spatial", "temporal", "auto" };
397 static const char *const direct_pred_list_text[] =
398 { N_("none"), N_("spatial"), N_("temporal"), N_("auto") };
400 static const char *const direct_pred_list[] =
401 { "none", "spatial", "temporal" };
402 static const char *const direct_pred_list_text[] =
403 { N_("none"), N_("spatial"), N_("temporal") };
407 set_description( N_("H.264/MPEG4 AVC encoder (using x264 library)"));
408 set_capability( "encoder", 200 );
409 set_callbacks( Open, Close );
410 set_category( CAT_INPUT );
411 set_subcategory( SUBCAT_INPUT_VCODEC );
413 /* Frame-type options */
415 add_integer( SOUT_CFG_PREFIX "keyint", 250, NULL, KEYINT_TEXT,
416 KEYINT_LONGTEXT, false );
418 add_integer( SOUT_CFG_PREFIX "min-keyint", 25, NULL, MIN_KEYINT_TEXT,
419 MIN_KEYINT_LONGTEXT, false );
420 add_deprecated_alias( SOUT_CFG_PREFIX "keyint-min" ); /* Deprecated since 0.8.5 */
422 add_integer( SOUT_CFG_PREFIX "scenecut", 40, NULL, SCENE_TEXT,
423 SCENE_LONGTEXT, false );
424 change_integer_range( -1, 100 );
426 #if X264_BUILD >= 55 /* r607 */
427 add_bool( SOUT_CFG_PREFIX "pre-scenecut", 0, NULL, PRESCENE_TEXT,
428 PRESCENE_LONGTEXT, false );
431 add_integer( SOUT_CFG_PREFIX "bframes", 0, NULL, BFRAMES_TEXT,
432 BFRAMES_LONGTEXT, false );
433 change_integer_range( 0, 16 );
435 #if X264_BUILD >= 0x0013 /* r137 */
437 add_integer( SOUT_CFG_PREFIX "b-adapt", 1, NULL, B_ADAPT_TEXT,
438 B_ADAPT_LONGTEXT, false );
440 add_bool( SOUT_CFG_PREFIX "b-adapt", 1, NULL, B_ADAPT_TEXT,
441 B_ADAPT_LONGTEXT, false );
443 add_integer( SOUT_CFG_PREFIX "b-bias", 0, NULL, B_BIAS_TEXT,
444 B_BIAS_LONGTEXT, false );
445 change_integer_range( -100, 100 );
448 add_bool( SOUT_CFG_PREFIX "bpyramid", 0, NULL, BPYRAMID_TEXT,
449 BPYRAMID_LONGTEXT, false );
451 add_bool( SOUT_CFG_PREFIX "cabac", 1, NULL, CABAC_TEXT, CABAC_LONGTEXT,
454 add_integer( SOUT_CFG_PREFIX "ref", 1, NULL, REF_TEXT,
455 REF_LONGTEXT, false );
456 change_integer_range( 1, 16 );
457 add_deprecated_alias( SOUT_CFG_PREFIX "frameref" ); /* Deprecated since 0.8.5 */
459 add_bool( SOUT_CFG_PREFIX "nf", 0, NULL, NF_TEXT,
460 NF_LONGTEXT, false );
461 add_deprecated_alias( SOUT_CFG_PREFIX "loopfilter" ); /* Deprecated since 0.8.5 */
463 add_string( SOUT_CFG_PREFIX "deblock", "0:0", NULL, FILTER_TEXT,
464 FILTER_LONGTEXT, false );
465 add_deprecated_alias( SOUT_CFG_PREFIX "filter" ); /* Deprecated since 0.8.6 */
467 add_string( SOUT_CFG_PREFIX "level", "5.1", NULL, LEVEL_TEXT,
468 LEVEL_LONGTEXT, false );
470 #if X264_BUILD >= 51 /* r570 */
471 add_bool( SOUT_CFG_PREFIX "interlaced", 0, NULL, INTERLACED_TEXT, INTERLACED_LONGTEXT,
477 add_integer( SOUT_CFG_PREFIX "qp", 26, NULL, QP_TEXT, QP_LONGTEXT,
479 change_integer_range( 0, 51 ); /* QP 0 -> lossless encoding */
481 #if X264_BUILD >= 37 /* r334 */
482 add_integer( SOUT_CFG_PREFIX "crf", 0, NULL, CRF_TEXT,
483 CRF_LONGTEXT, false );
484 change_integer_range( 0, 51 );
487 add_integer( SOUT_CFG_PREFIX "qpmin", 10, NULL, QPMIN_TEXT,
488 QPMIN_LONGTEXT, false );
489 change_integer_range( 0, 51 );
490 add_deprecated_alias( SOUT_CFG_PREFIX "qp-min" ); /* Deprecated since 0.8.5 */
492 add_integer( SOUT_CFG_PREFIX "qpmax", 51, NULL, QPMAX_TEXT,
493 QPMAX_LONGTEXT, false );
494 change_integer_range( 0, 51 );
495 add_deprecated_alias( SOUT_CFG_PREFIX "qp-max" ); /* Deprecated since 0.8.5 */
497 add_integer( SOUT_CFG_PREFIX "qpstep", 4, NULL, QPSTEP_TEXT,
498 QPSTEP_LONGTEXT, false );
499 change_integer_range( 0, 51 );
501 add_float( SOUT_CFG_PREFIX "ratetol", 1.0, NULL, RATETOL_TEXT,
502 RATETOL_LONGTEXT, false );
503 change_float_range( 0, 100 );
504 add_deprecated_alias( SOUT_CFG_PREFIX "tolerance" ); /* Deprecated since 0.8.5 */
506 add_integer( SOUT_CFG_PREFIX "vbv-maxrate", 0, NULL, VBV_MAXRATE_TEXT,
507 VBV_MAXRATE_LONGTEXT, false );
509 add_integer( SOUT_CFG_PREFIX "vbv-bufsize", 0, NULL, VBV_BUFSIZE_TEXT,
510 VBV_BUFSIZE_LONGTEXT, false );
512 add_float( SOUT_CFG_PREFIX "vbv-init", 0.9, NULL, VBV_INIT_TEXT,
513 VBV_INIT_LONGTEXT, false );
514 change_float_range( 0, 1 );
516 add_float( SOUT_CFG_PREFIX "ipratio", 1.40, NULL, IPRATIO_TEXT,
517 IPRATIO_LONGTEXT, false );
518 change_float_range( 1, 2 );
520 add_float( SOUT_CFG_PREFIX "pbratio", 1.30, NULL, PBRATIO_TEXT,
521 PBRATIO_LONGTEXT, false );
522 change_float_range( 1, 2 );
524 #if X264_BUILD >= 23 /* r190 */
525 add_integer( SOUT_CFG_PREFIX "chroma-qp-offset", 0, NULL, CHROMA_QP_OFFSET_TEXT,
526 CHROMA_QP_OFFSET_LONGTEXT, false );
529 add_integer( SOUT_CFG_PREFIX "pass", 0, NULL, PASS_TEXT,
530 PASS_LONGTEXT, false );
531 change_integer_range( 0, 3 );
533 add_float( SOUT_CFG_PREFIX "qcomp", 0.60, NULL, QCOMP_TEXT,
534 QCOMP_LONGTEXT, false );
535 change_float_range( 0, 1 );
537 add_float( SOUT_CFG_PREFIX "cplxblur", 20.0, NULL, CPLXBLUR_TEXT,
538 CPLXBLUR_LONGTEXT, false );
540 add_float( SOUT_CFG_PREFIX "qblur", 0.5, NULL, QBLUR_TEXT,
541 QBLUR_LONGTEXT, false );
543 add_integer( SOUT_CFG_PREFIX "aq-mode", 2, NULL, AQ_MODE_TEXT,
544 AQ_MODE_LONGTEXT, false );
545 change_integer_range( 0, 2 );
546 add_float( SOUT_CFG_PREFIX "aq-strength", 1.0, NULL, AQ_STRENGTH_TEXT,
547 AQ_STRENGTH_LONGTEXT, false );
552 /* x264 partitions = none (default). set at least "normal" mode. */
553 add_string( SOUT_CFG_PREFIX "partitions", "normal", NULL, ANALYSE_TEXT,
554 ANALYSE_LONGTEXT, false );
555 change_string_list( enc_analyse_list, enc_analyse_list_text, 0 );
556 add_deprecated_alias( SOUT_CFG_PREFIX "analyse" ); /* Deprecated since 0.8.6 */
558 add_string( SOUT_CFG_PREFIX "direct", "spatial", NULL, DIRECT_PRED_TEXT,
559 DIRECT_PRED_LONGTEXT, false );
560 change_string_list( direct_pred_list, direct_pred_list_text, 0 );
562 #if X264_BUILD >= 52 /* r573 */
563 add_integer( SOUT_CFG_PREFIX "direct-8x8", -1, NULL, DIRECT_PRED_SIZE_TEXT,
564 DIRECT_PRED_SIZE_LONGTEXT, false );
565 change_integer_range( -1, 1 );
568 #if X264_BUILD >= 0x0012 /* r134 */
569 add_bool( SOUT_CFG_PREFIX "weightb", 0, NULL, WEIGHTB_TEXT,
570 WEIGHTB_LONGTEXT, false );
573 #if X264_BUILD >= 24 /* r221 */
574 add_string( SOUT_CFG_PREFIX "me", "hex", NULL, ME_TEXT,
575 ME_LONGTEXT, false );
576 change_string_list( enc_me_list, enc_me_list_text, 0 );
578 add_integer( SOUT_CFG_PREFIX "merange", 16, NULL, MERANGE_TEXT,
579 MERANGE_LONGTEXT, false );
580 change_integer_range( 1, 64 );
583 add_integer( SOUT_CFG_PREFIX "mvrange", -1, NULL, MVRANGE_TEXT,
584 MVRANGE_LONGTEXT, false );
586 #if X264_BUILD >= 55 /* r607 */
587 add_integer( SOUT_CFG_PREFIX "mvrange-thread", -1, NULL, MVRANGE_THREAD_TEXT,
588 MVRANGE_THREAD_LONGTEXT, false );
591 add_integer( SOUT_CFG_PREFIX "subme", 5, NULL, SUBME_TEXT,
592 SUBME_LONGTEXT, false );
593 change_integer_range( 1, SUBME_MAX );
594 add_deprecated_alias( SOUT_CFG_PREFIX "subpel" ); /* Deprecated since 0.8.5 */
596 #if X264_BUILD >= 41 /* r368 */
597 add_bool( SOUT_CFG_PREFIX "b-rdo", 0, NULL, B_RDO_TEXT,
598 B_RDO_LONGTEXT, false );
601 #if X264_BUILD >= 36 /* r318 */
602 add_bool( SOUT_CFG_PREFIX "mixed-refs", 0, NULL, MIXED_REFS_TEXT,
603 MIXED_REFS_LONGTEXT, false );
606 #if X264_BUILD >= 23 /* r171 */
607 add_bool( SOUT_CFG_PREFIX "chroma-me", 1, NULL, CHROMA_ME_TEXT,
608 CHROMA_ME_LONGTEXT, false );
611 #if X264_BUILD >= 43 /* r390 */
612 add_bool( SOUT_CFG_PREFIX "bime", 0, NULL, BIME_TEXT,
613 BIME_LONGTEXT, false );
616 #if X264_BUILD >= 30 /* r251 */
617 add_bool( SOUT_CFG_PREFIX "8x8dct", 0, NULL, TRANSFORM_8X8DCT_TEXT,
618 TRANSFORM_8X8DCT_LONGTEXT, false );
621 #if X264_BUILD >= 39 /* r360 */
622 add_integer( SOUT_CFG_PREFIX "trellis", 0, NULL, TRELLIS_TEXT,
623 TRELLIS_LONGTEXT, false );
624 change_integer_range( 0, 2 );
627 #if X264_BUILD >= 42 /* r384 */
628 add_bool( SOUT_CFG_PREFIX "fast-pskip", 1, NULL, FAST_PSKIP_TEXT,
629 FAST_PSKIP_LONGTEXT, false );
632 #if X264_BUILD >= 46 /* r503 */
633 add_bool( SOUT_CFG_PREFIX "dct-decimate", 1, NULL, DCT_DECIMATE_TEXT,
634 DCT_DECIMATE_LONGTEXT, false );
637 #if X264_BUILD >= 44 /* r398 */
638 add_integer( SOUT_CFG_PREFIX "nr", 0, NULL, NR_TEXT,
639 NR_LONGTEXT, false );
640 change_integer_range( 0, 1000 );
643 #if X264_BUILD >= 52 /* r573 */
644 add_integer( SOUT_CFG_PREFIX "deadzone-inter", 21, NULL, DEADZONE_INTER_TEXT,
645 DEADZONE_INTRA_LONGTEXT, false );
646 change_integer_range( 0, 32 );
648 add_integer( SOUT_CFG_PREFIX "deadzone-intra", 11, NULL, DEADZONE_INTRA_TEXT,
649 DEADZONE_INTRA_LONGTEXT, false );
650 change_integer_range( 0, 32 );
655 #if X264_BUILD >= 55 /* r607 */
656 add_bool( SOUT_CFG_PREFIX "non-deterministic", 0, NULL, NON_DETERMINISTIC_TEXT,
657 NON_DETERMINISTIC_LONGTEXT, false );
660 add_bool( SOUT_CFG_PREFIX "asm", 1, NULL, ASM_TEXT,
661 ASM_LONGTEXT, false );
663 /* x264 psnr = 1 (default). disable PSNR computation for speed. */
664 add_bool( SOUT_CFG_PREFIX "psnr", 0, NULL, PSNR_TEXT,
665 PSNR_LONGTEXT, false );
667 #if X264_BUILD >= 50 /* r554 */
668 /* x264 ssim = 1 (default). disable SSIM computation for speed. */
669 add_bool( SOUT_CFG_PREFIX "ssim", 0, NULL, SSIM_TEXT,
670 SSIM_LONGTEXT, false );
673 add_bool( SOUT_CFG_PREFIX "quiet", 0, NULL, QUIET_TEXT,
674 QUIET_LONGTEXT, false );
676 #if X264_BUILD >= 47 /* r518 */
677 add_integer( SOUT_CFG_PREFIX "sps-id", 0, NULL, SPS_ID_TEXT,
678 SPS_ID_LONGTEXT, false );
681 add_bool( SOUT_CFG_PREFIX "aud", 0, NULL, AUD_TEXT,
682 AUD_LONGTEXT, false );
684 #if X264_BUILD >= 0x000e /* r81 */
685 add_bool( SOUT_CFG_PREFIX "verbose", 0, NULL, VERBOSE_TEXT,
686 VERBOSE_LONGTEXT, false );
689 add_string( SOUT_CFG_PREFIX "stats", "x264_2pass.log", NULL, STATS_TEXT,
690 STATS_LONGTEXT, false );
694 /*****************************************************************************
696 *****************************************************************************/
697 static const char *const ppsz_sout_options[] = {
698 "8x8dct", "analyse", "asm", "aud", "bframes", "bime", "bpyramid",
699 "b-adapt", "b-bias", "b-rdo", "cabac", "chroma-me", "chroma-qp-offset",
700 "cplxblur", "crf", "dct-decimate", "deadzone-inter", "deadzone-intra",
701 "deblock", "direct", "direct-8x8", "filter", "fast-pskip", "frameref",
702 "interlaced", "ipratio", "keyint", "keyint-min", "level", "loopfilter",
703 "me", "merange", "min-keyint", "mixed-refs", "mvrange", "mvrange-thread",
704 "nf", "non-deterministic", "nr", "partitions", "pass", "pbratio",
705 "pre-scenecut", "psnr", "qblur", "qp", "qcomp", "qpstep", "qpmax",
706 "qpmin", "qp-max", "qp-min", "quiet", "ratetol", "ref", "scenecut",
707 "sps-id", "ssim", "stats", "subme", "subpel", "tolerance", "trellis",
708 "verbose", "vbv-bufsize", "vbv-init", "vbv-maxrate", "weightb", "aq-mode",
712 static block_t *Encode( encoder_t *, picture_t * );
722 mtime_t i_interpolated_dts;
727 /*****************************************************************************
728 * Open: probe the encoder
729 *****************************************************************************/
730 static int Open ( vlc_object_t *p_this )
732 encoder_t *p_enc = (encoder_t *)p_this;
733 encoder_sys_t *p_sys;
735 int i_qmin = 0, i_qmax = 0;
739 if( p_enc->fmt_out.i_codec != VLC_FOURCC( 'h', '2', '6', '4' ) &&
745 /* X264_POINTVER or X264_VERSION are not available */
746 msg_Dbg ( p_enc, "version x264 0.%d.X", X264_BUILD );
749 if( p_enc->fmt_in.video.i_width % 16 != 0 ||
750 p_enc->fmt_in.video.i_height % 16 != 0 )
752 msg_Warn( p_enc, "size is not a multiple of 16 (%ix%i)",
753 p_enc->fmt_in.video.i_width, p_enc->fmt_in.video.i_height );
755 if( p_enc->fmt_in.video.i_width < 16 ||
756 p_enc->fmt_in.video.i_height < 16 )
758 msg_Err( p_enc, "video is too small to be cropped" );
762 msg_Warn( p_enc, "cropping video to %ix%i",
763 p_enc->fmt_in.video.i_width >> 4 << 4,
764 p_enc->fmt_in.video.i_height >> 4 << 4 );
768 config_ChainParse( p_enc, SOUT_CFG_PREFIX, ppsz_sout_options, p_enc->p_cfg );
770 p_enc->fmt_out.i_codec = VLC_FOURCC( 'h', '2', '6', '4' );
771 p_enc->fmt_in.i_codec = VLC_FOURCC('I','4','2','0');
773 p_enc->pf_encode_video = Encode;
774 p_enc->pf_encode_audio = NULL;
775 p_enc->p_sys = p_sys = malloc( sizeof( encoder_sys_t ) );
778 p_sys->i_interpolated_dts = 0;
779 p_sys->psz_stat_name = NULL;
781 x264_param_default( &p_sys->param );
782 p_sys->param.i_width = p_enc->fmt_in.video.i_width;
783 p_sys->param.i_height = p_enc->fmt_in.video.i_height;
785 p_sys->param.i_width = p_sys->param.i_width >> 4 << 4;
786 p_sys->param.i_height = p_sys->param.i_height >> 4 << 4;
789 /* average bitrate specified by transcode vb */
790 p_sys->param.rc.i_bitrate = p_enc->fmt_out.i_bitrate / 1000;
792 var_Get( p_enc, SOUT_CFG_PREFIX "qpstep", &val );
793 if( val.i_int >= 0 && val.i_int <= 51 ) p_sys->param.rc.i_qp_step = val.i_int;
794 var_Get( p_enc, SOUT_CFG_PREFIX "qpmin", &val );
795 if( val.i_int >= 0 && val.i_int <= 51 )
798 p_sys->param.rc.i_qp_min = i_qmin;
800 var_Get( p_enc, SOUT_CFG_PREFIX "qpmax", &val );
801 if( val.i_int >= 0 && val.i_int <= 51 )
804 p_sys->param.rc.i_qp_max = i_qmax;
807 var_Get( p_enc, SOUT_CFG_PREFIX "qp", &val );
808 if( val.i_int >= 0 && val.i_int <= 51 )
810 if( i_qmin > val.i_int ) i_qmin = val.i_int;
811 if( i_qmax < val.i_int ) i_qmax = val.i_int;
813 p_sys->param.rc.i_rc_method = X264_RC_CQP;
814 #if X264_BUILD >= 0x000a
815 p_sys->param.rc.i_qp_constant = val.i_int;
816 p_sys->param.rc.i_qp_min = i_qmin;
817 p_sys->param.rc.i_qp_max = i_qmax;
819 p_sys->param.i_qp_constant = val.i_int;
824 /* cbr = 1 overrides qp or crf and sets an average bitrate
825 but maxrate = average bitrate is needed for "real" CBR */
826 if( p_sys->param.rc.i_bitrate > 0 ) p_sys->param.rc.b_cbr = 1;
828 if( p_sys->param.rc.i_bitrate > 0 ) p_sys->param.rc.i_rc_method = X264_RC_ABR;
832 var_Get( p_enc, SOUT_CFG_PREFIX "ratetol", &val );
833 p_sys->param.rc.f_rate_tolerance = val.f_float;
835 var_Get( p_enc, SOUT_CFG_PREFIX "vbv-init", &val );
836 p_sys->param.rc.f_vbv_buffer_init = val.f_float;
838 var_Get( p_enc, SOUT_CFG_PREFIX "vbv-bufsize", &val );
839 p_sys->param.rc.i_vbv_buffer_size = val.i_int;
841 /* x264 vbv-bufsize = 0 (default). if not provided set period
842 in seconds for local maximum bitrate (cache/bufsize) based
843 on average bitrate. */
845 p_sys->param.rc.i_vbv_buffer_size = p_sys->param.rc.i_bitrate * 2;
847 /* max bitrate = average bitrate -> CBR */
848 var_Get( p_enc, SOUT_CFG_PREFIX "vbv-maxrate", &val );
849 p_sys->param.rc.i_vbv_max_bitrate = val.i_int;
852 p_sys->param.rc.i_rc_buffer_size = p_sys->param.rc.i_bitrate;
853 p_sys->param.rc.i_rc_init_buffer = p_sys->param.rc.i_bitrate / 4;
856 var_Get( p_enc, SOUT_CFG_PREFIX "cabac", &val );
857 p_sys->param.b_cabac = val.b_bool;
859 /* disable deblocking when nf (no loop filter) is enabled */
860 var_Get( p_enc, SOUT_CFG_PREFIX "nf", &val );
861 p_sys->param.b_deblocking_filter = !val.b_bool;
863 var_Get( p_enc, SOUT_CFG_PREFIX "deblock", &val );
866 char *p = strchr( val.psz_string, ':' );
867 p_sys->param.i_deblocking_filter_alphac0 = atoi( val.psz_string );
868 p_sys->param.i_deblocking_filter_beta = p ? atoi( p+1 ) : p_sys->param.i_deblocking_filter_alphac0;
869 free( val.psz_string );
872 var_Get( p_enc, SOUT_CFG_PREFIX "level", &val );
875 if( atof (val.psz_string) < 6 )
876 p_sys->param.i_level_idc = (int) ( 10 * atof (val.psz_string) + .5);
878 p_sys->param.i_level_idc = atoi (val.psz_string);
879 free( val.psz_string );
882 #if X264_BUILD >= 51 /* r570 */
883 var_Get( p_enc, SOUT_CFG_PREFIX "interlaced", &val );
884 p_sys->param.b_interlaced = val.b_bool;
887 var_Get( p_enc, SOUT_CFG_PREFIX "ipratio", &val );
888 p_sys->param.rc.f_ip_factor = val.f_float;
890 var_Get( p_enc, SOUT_CFG_PREFIX "pbratio", &val );
891 p_sys->param.rc.f_pb_factor = val.f_float;
893 var_Get( p_enc, SOUT_CFG_PREFIX "qcomp", &val );
894 p_sys->param.rc.f_qcompress = val.f_float;
896 var_Get( p_enc, SOUT_CFG_PREFIX "cplxblur", &val );
897 p_sys->param.rc.f_complexity_blur = val.f_float;
899 var_Get( p_enc, SOUT_CFG_PREFIX "qblur", &val );
900 p_sys->param.rc.f_qblur = val.f_float;
903 var_Get( p_enc, SOUT_CFG_PREFIX "aq-mode", &val );
904 p_sys->param.rc.i_aq_mode = val.i_int;
906 var_Get( p_enc, SOUT_CFG_PREFIX "aq-strength", &val );
907 p_sys->param.rc.f_aq_strength = val.f_float;
910 #if X264_BUILD >= 0x000e
911 var_Get( p_enc, SOUT_CFG_PREFIX "verbose", &val );
912 if( val.b_bool ) p_sys->param.i_log_level = X264_LOG_DEBUG;
915 var_Get( p_enc, SOUT_CFG_PREFIX "quiet", &val );
916 if( val.b_bool ) p_sys->param.i_log_level = X264_LOG_NONE;
918 #if X264_BUILD >= 47 /* r518 */
919 var_Get( p_enc, SOUT_CFG_PREFIX "sps-id", &val );
920 if( val.i_int >= 0 ) p_sys->param.i_sps_id = val.i_int;
923 var_Get( p_enc, SOUT_CFG_PREFIX "aud", &val );
924 if( val.b_bool ) p_sys->param.b_aud = val.b_bool;
926 var_Get( p_enc, SOUT_CFG_PREFIX "keyint", &val );
927 #if X264_BUILD >= 0x000e
928 if( val.i_int > 0 ) p_sys->param.i_keyint_max = val.i_int;
930 if( val.i_int > 0 ) p_sys->param.i_iframe = val.i_int;
933 var_Get( p_enc, SOUT_CFG_PREFIX "min-keyint", &val );
934 #if X264_BUILD >= 0x000e
935 if( val.i_int > 0 ) p_sys->param.i_keyint_min = val.i_int;
937 if( val.i_int > 0 ) p_sys->param.i_idrframe = val.i_int;
940 var_Get( p_enc, SOUT_CFG_PREFIX "bframes", &val );
941 if( val.i_int >= 0 && val.i_int <= 16 )
942 p_sys->param.i_bframe = val.i_int;
945 var_Get( p_enc, SOUT_CFG_PREFIX "bpyramid", &val );
946 p_sys->param.b_bframe_pyramid = val.b_bool;
949 var_Get( p_enc, SOUT_CFG_PREFIX "ref", &val );
950 if( val.i_int > 0 && val.i_int <= 15 )
951 p_sys->param.i_frame_reference = val.i_int;
953 var_Get( p_enc, SOUT_CFG_PREFIX "scenecut", &val );
954 #if X264_BUILD >= 0x000b
955 if( val.i_int >= -1 && val.i_int <= 100 )
956 p_sys->param.i_scenecut_threshold = val.i_int;
959 #if X264_BUILD >= 55 /* r607 */
960 var_Get( p_enc, SOUT_CFG_PREFIX "pre-scenecut", &val );
961 p_sys->param.b_pre_scenecut = val.b_bool;
962 var_Get( p_enc, SOUT_CFG_PREFIX "non-deterministic", &val );
963 p_sys->param.b_deterministic = val.b_bool;
966 var_Get( p_enc, SOUT_CFG_PREFIX "subme", &val );
967 if( val.i_int >= 1 && val.i_int <= SUBME_MAX )
968 p_sys->param.analyse.i_subpel_refine = val.i_int;
971 var_Get( p_enc, SOUT_CFG_PREFIX "me", &val );
972 if( !strcmp( val.psz_string, "dia" ) )
974 p_sys->param.analyse.i_me_method = X264_ME_DIA;
976 else if( !strcmp( val.psz_string, "hex" ) )
978 p_sys->param.analyse.i_me_method = X264_ME_HEX;
980 else if( !strcmp( val.psz_string, "umh" ) )
982 p_sys->param.analyse.i_me_method = X264_ME_UMH;
984 else if( !strcmp( val.psz_string, "esa" ) )
986 p_sys->param.analyse.i_me_method = X264_ME_ESA;
988 # if X264_BUILD >= 58 /* r728 */
989 else if( !strcmp( val.psz_string, "tesa" ) )
991 p_sys->param.analyse.i_me_method = X264_ME_TESA;
994 free( val.psz_string );
996 var_Get( p_enc, SOUT_CFG_PREFIX "merange", &val );
997 if( val.i_int >= 0 && val.i_int <= 64 )
998 p_sys->param.analyse.i_me_range = val.i_int;
1000 var_Get( p_enc, SOUT_CFG_PREFIX "mvrange", &val );
1001 p_sys->param.analyse.i_mv_range = val.i_int;
1004 #if X264_BUILD >= 55 /* r607 */
1005 var_Get( p_enc, SOUT_CFG_PREFIX "mvrange-thread", &val );
1006 p_sys->param.analyse.i_mv_range_thread = val.i_int;
1009 var_Get( p_enc, SOUT_CFG_PREFIX "direct", &val );
1010 if( !strcmp( val.psz_string, "none" ) )
1012 p_sys->param.analyse.i_direct_mv_pred = X264_DIRECT_PRED_NONE;
1014 else if( !strcmp( val.psz_string, "spatial" ) )
1016 p_sys->param.analyse.i_direct_mv_pred = X264_DIRECT_PRED_SPATIAL;
1018 else if( !strcmp( val.psz_string, "temporal" ) )
1020 p_sys->param.analyse.i_direct_mv_pred = X264_DIRECT_PRED_TEMPORAL;
1022 #if X264_BUILD >= 45 /* r457 */
1023 else if( !strcmp( val.psz_string, "auto" ) )
1025 p_sys->param.analyse.i_direct_mv_pred = X264_DIRECT_PRED_AUTO;
1028 free( val.psz_string );
1030 var_Get( p_enc, SOUT_CFG_PREFIX "psnr", &val );
1031 p_sys->param.analyse.b_psnr = val.b_bool;
1033 #if X264_BUILD >= 50 /* r554 */
1034 var_Get( p_enc, SOUT_CFG_PREFIX "ssim", &val );
1035 p_sys->param.analyse.b_ssim = val.b_bool;
1038 #if X264_BUILD >= 0x0012
1039 var_Get( p_enc, SOUT_CFG_PREFIX "weightb", &val );
1040 p_sys->param.analyse.b_weighted_bipred = val.b_bool;
1043 #if X264_BUILD >= 0x0013
1044 var_Get( p_enc, SOUT_CFG_PREFIX "b-adapt", &val );
1045 #if X264_BUILD >= 63
1046 p_sys->param.i_bframe_adaptive = val.i_int;
1048 p_sys->param.b_bframe_adaptive = val.b_bool;
1051 var_Get( p_enc, SOUT_CFG_PREFIX "b-bias", &val );
1052 if( val.i_int >= -100 && val.i_int <= 100 )
1053 p_sys->param.i_bframe_bias = val.i_int;
1056 #if X264_BUILD >= 23
1057 var_Get( p_enc, SOUT_CFG_PREFIX "chroma-me", &val );
1058 p_sys->param.analyse.b_chroma_me = val.b_bool;
1059 var_Get( p_enc, SOUT_CFG_PREFIX "chroma-qp-offset", &val );
1060 p_sys->param.analyse.i_chroma_qp_offset = val.i_int;
1063 #if X264_BUILD >= 36
1064 var_Get( p_enc, SOUT_CFG_PREFIX "mixed-refs", &val );
1065 p_sys->param.analyse.b_mixed_references = val.b_bool;
1068 #if X264_BUILD >= 37
1069 var_Get( p_enc, SOUT_CFG_PREFIX "crf", &val );
1070 if( val.i_int > 0 && val.i_int <= 51 )
1072 # if X264_BUILD >= 54
1073 p_sys->param.rc.f_rf_constant = val.i_int;
1075 p_sys->param.rc.i_rf_constant = val.i_int;
1077 # if X264_BUILD >= 48
1078 p_sys->param.rc.i_rc_method = X264_RC_CRF;
1083 #if X264_BUILD >= 39
1084 var_Get( p_enc, SOUT_CFG_PREFIX "trellis", &val );
1085 if( val.i_int >= 0 && val.i_int <= 2 )
1086 p_sys->param.analyse.i_trellis = val.i_int;
1089 #if X264_BUILD >= 41
1090 var_Get( p_enc, SOUT_CFG_PREFIX "b-rdo", &val );
1091 p_sys->param.analyse.b_bframe_rdo = val.b_bool;
1094 #if X264_BUILD >= 42
1095 var_Get( p_enc, SOUT_CFG_PREFIX "fast-pskip", &val );
1096 p_sys->param.analyse.b_fast_pskip = val.b_bool;
1099 #if X264_BUILD >= 43
1100 var_Get( p_enc, SOUT_CFG_PREFIX "bime", &val );
1101 p_sys->param.analyse.b_bidir_me = val.b_bool;
1104 #if X264_BUILD >= 44
1105 var_Get( p_enc, SOUT_CFG_PREFIX "nr", &val );
1106 if( val.i_int >= 0 && val.i_int <= 1000 )
1107 p_sys->param.analyse.i_noise_reduction = val.i_int;
1110 #if X264_BUILD >= 46
1111 var_Get( p_enc, SOUT_CFG_PREFIX "dct-decimate", &val );
1112 p_sys->param.analyse.b_dct_decimate = val.b_bool;
1115 #if X264_BUILD >= 52
1116 var_Get( p_enc, SOUT_CFG_PREFIX "deadzone-inter", &val );
1117 if( val.i_int >= 0 && val.i_int <= 32 )
1118 p_sys->param.analyse.i_luma_deadzone[0] = val.i_int;
1120 var_Get( p_enc, SOUT_CFG_PREFIX "deadzone-intra", &val );
1121 if( val.i_int >= 0 && val.i_int <= 32 )
1122 p_sys->param.analyse.i_luma_deadzone[1] = val.i_int;
1124 var_Get( p_enc, SOUT_CFG_PREFIX "direct-8x8", &val );
1125 if( val.i_int >= -1 && val.i_int <= 1 )
1126 p_sys->param.analyse.i_direct_8x8_inference = val.i_int;
1129 var_Get( p_enc, SOUT_CFG_PREFIX "asm", &val );
1130 if( !val.b_bool ) p_sys->param.cpu = 0;
1132 #ifndef X264_ANALYSE_BSUB16x16
1133 # define X264_ANALYSE_BSUB16x16 0
1135 var_Get( p_enc, SOUT_CFG_PREFIX "partitions", &val );
1136 if( !strcmp( val.psz_string, "none" ) )
1138 p_sys->param.analyse.inter = 0;
1140 else if( !strcmp( val.psz_string, "fast" ) )
1142 p_sys->param.analyse.inter = X264_ANALYSE_I4x4;
1144 else if( !strcmp( val.psz_string, "normal" ) )
1146 p_sys->param.analyse.inter =
1148 X264_ANALYSE_PSUB16x16;
1149 #ifdef X264_ANALYSE_I8x8
1150 p_sys->param.analyse.inter |= X264_ANALYSE_I8x8;
1153 else if( !strcmp( val.psz_string, "slow" ) )
1155 p_sys->param.analyse.inter =
1157 X264_ANALYSE_PSUB16x16 |
1158 X264_ANALYSE_BSUB16x16;
1159 #ifdef X264_ANALYSE_I8x8
1160 p_sys->param.analyse.inter |= X264_ANALYSE_I8x8;
1163 else if( !strcmp( val.psz_string, "all" ) )
1165 p_sys->param.analyse.inter =
1167 X264_ANALYSE_PSUB16x16 |
1168 X264_ANALYSE_BSUB16x16 |
1169 X264_ANALYSE_PSUB8x8;
1170 #ifdef X264_ANALYSE_I8x8
1171 p_sys->param.analyse.inter |= X264_ANALYSE_I8x8;
1174 free( val.psz_string );
1176 #if X264_BUILD >= 30
1177 var_Get( p_enc, SOUT_CFG_PREFIX "8x8dct", &val );
1178 p_sys->param.analyse.b_transform_8x8 = val.b_bool;
1181 if( p_enc->fmt_in.video.i_aspect > 0 )
1183 int64_t i_num, i_den;
1184 unsigned int i_dst_num, i_dst_den;
1186 i_num = p_enc->fmt_in.video.i_aspect *
1187 (int64_t)p_enc->fmt_in.video.i_height;
1188 i_den = VOUT_ASPECT_FACTOR * p_enc->fmt_in.video.i_width;
1189 vlc_ureduce( &i_dst_num, &i_dst_den, i_num, i_den, 0 );
1191 p_sys->param.vui.i_sar_width = i_dst_num;
1192 p_sys->param.vui.i_sar_height = i_dst_den;
1195 if( p_enc->fmt_in.video.i_frame_rate_base > 0 )
1197 p_sys->param.i_fps_num = p_enc->fmt_in.video.i_frame_rate;
1198 p_sys->param.i_fps_den = p_enc->fmt_in.video.i_frame_rate_base;
1201 unsigned i_cpu = vlc_CPU();
1202 if( !(i_cpu & CPU_CAPABILITY_MMX) )
1204 p_sys->param.cpu &= ~X264_CPU_MMX;
1206 if( !(i_cpu & CPU_CAPABILITY_MMXEXT) )
1208 p_sys->param.cpu &= ~X264_CPU_MMXEXT;
1210 if( !(i_cpu & CPU_CAPABILITY_SSE) )
1212 p_sys->param.cpu &= ~X264_CPU_SSE;
1214 if( !(i_cpu & CPU_CAPABILITY_SSE2) )
1216 p_sys->param.cpu &= ~X264_CPU_SSE2;
1219 /* BUILD 29 adds support for multi-threaded encoding while BUILD 49 (r543)
1220 also adds support for threads = 0 for automatically selecting an optimal
1221 value (cores * 1.5) based on detected CPUs. Default behavior for x264 is
1222 threads = 1, however VLC usage differs and uses threads = 0 (auto) by
1223 default unless ofcourse transcode threads is explicitly specified.. */
1224 #if X264_BUILD >= 29
1225 p_sys->param.i_threads = p_enc->i_threads;
1228 var_Get( p_enc, SOUT_CFG_PREFIX "stats", &val );
1229 if( val.psz_string )
1231 p_sys->param.rc.psz_stat_in =
1232 p_sys->param.rc.psz_stat_out =
1233 p_sys->psz_stat_name = val.psz_string;
1236 var_Get( p_enc, SOUT_CFG_PREFIX "pass", &val );
1237 if( val.i_int > 0 && val.i_int <= 3 )
1239 p_sys->param.rc.b_stat_write = val.i_int & 1;
1240 p_sys->param.rc.b_stat_read = val.i_int & 2;
1243 /* We need to initialize pthreadw32 before we open the encoder,
1244 but only oncce for the whole application. Since pthreadw32
1245 doesn't keep a refcount, do it ourselves. */
1246 #ifdef PTW32_STATIC_LIB
1247 vlc_value_t lock, count;
1249 var_Create( p_enc->p_libvlc, "pthread_win32_mutex", VLC_VAR_MUTEX );
1250 var_Get( p_enc->p_libvlc, "pthread_win32_mutex", &lock );
1251 vlc_mutex_lock( lock.p_address );
1253 var_Create( p_enc->p_libvlc, "pthread_win32_count", VLC_VAR_INTEGER );
1254 var_Get( p_enc->p_libvlc, "pthread_win32_count", &count );
1256 if( count.i_int == 0 )
1258 msg_Dbg( p_enc, "initializing pthread-win32" );
1259 if( !pthread_win32_process_attach_np() || !pthread_win32_thread_attach_np() )
1261 msg_Warn( p_enc, "pthread Win32 Initialization failed" );
1262 vlc_mutex_unlock( lock.p_address );
1263 return VLC_EGENERIC;
1268 var_Set( p_enc->p_libvlc, "pthread_win32_count", count );
1269 vlc_mutex_unlock( lock.p_address );
1273 /* Open the encoder */
1274 p_sys->h = x264_encoder_open( &p_sys->param );
1277 p_sys->i_buffer = 4 * p_enc->fmt_in.video.i_width *
1278 p_enc->fmt_in.video.i_height + 1000;
1279 p_sys->p_buffer = malloc( p_sys->i_buffer );
1280 if( !p_sys->p_buffer )
1282 Close( VLC_OBJECT(p_enc) );
1286 /* get the globals headers */
1287 p_enc->fmt_out.i_extra = 0;
1288 p_enc->fmt_out.p_extra = NULL;
1290 x264_encoder_headers( p_sys->h, &nal, &i_nal );
1291 for( i = 0; i < i_nal; i++ )
1294 int i_size = p_sys->i_buffer;
1296 x264_nal_encode( p_sys->p_buffer, &i_size, 1, &nal[i] );
1298 p_tmp = realloc( p_enc->fmt_out.p_extra, p_enc->fmt_out.i_extra + i_size );
1301 Close( VLC_OBJECT(p_enc) );
1304 p_enc->fmt_out.p_extra = p_tmp;
1306 memcpy( (uint8_t*)p_enc->fmt_out.p_extra + p_enc->fmt_out.i_extra,
1307 p_sys->p_buffer, i_size );
1309 p_enc->fmt_out.i_extra += i_size;
1315 /****************************************************************************
1317 ****************************************************************************/
1318 static block_t *Encode( encoder_t *p_enc, picture_t *p_pict )
1320 encoder_sys_t *p_sys = p_enc->p_sys;
1324 int i_nal, i_out, i;
1327 memset( &pic, 0, sizeof( x264_picture_t ) );
1328 pic.i_pts = p_pict->date;
1329 pic.img.i_csp = X264_CSP_I420;
1330 pic.img.i_plane = p_pict->i_planes;
1331 for( i = 0; i < p_pict->i_planes; i++ )
1333 pic.img.plane[i] = p_pict->p[i].p_pixels;
1334 pic.img.i_stride[i] = p_pict->p[i].i_pitch;
1337 #if X264_BUILD >= 0x0013
1338 x264_encoder_encode( p_sys->h, &nal, &i_nal, &pic, &pic );
1340 x264_encoder_encode( p_sys->h, &nal, &i_nal, &pic );
1343 if( !i_nal ) return NULL;
1345 for( i = 0, i_out = 0; i < i_nal; i++ )
1347 int i_size = p_sys->i_buffer - i_out;
1348 x264_nal_encode( p_sys->p_buffer + i_out, &i_size, 1, &nal[i] );
1353 p_block = block_New( p_enc, i_out );
1354 if( !p_block ) return NULL;
1355 memcpy( p_block->p_buffer, p_sys->p_buffer, i_out );
1357 if( pic.i_type == X264_TYPE_IDR || pic.i_type == X264_TYPE_I )
1358 p_block->i_flags |= BLOCK_FLAG_TYPE_I;
1359 else if( pic.i_type == X264_TYPE_P )
1360 p_block->i_flags |= BLOCK_FLAG_TYPE_P;
1361 else if( pic.i_type == X264_TYPE_B )
1362 p_block->i_flags |= BLOCK_FLAG_TYPE_B;
1364 /* This isn't really valid for streams with B-frames */
1365 p_block->i_length = INT64_C(1000000) *
1366 p_enc->fmt_in.video.i_frame_rate_base /
1367 p_enc->fmt_in.video.i_frame_rate;
1369 p_block->i_pts = pic.i_pts;
1371 if( p_sys->param.i_bframe > 0 )
1373 if( p_block->i_flags & BLOCK_FLAG_TYPE_B )
1375 /* FIXME : this is wrong if bpyramid is set */
1376 p_block->i_dts = p_block->i_pts;
1377 p_sys->i_interpolated_dts = p_block->i_dts;
1381 if( p_sys->i_interpolated_dts )
1383 p_block->i_dts = p_sys->i_interpolated_dts;
1387 /* Let's put something sensible */
1388 p_block->i_dts = p_block->i_pts;
1391 p_sys->i_interpolated_dts += p_block->i_length;
1396 p_block->i_dts = p_block->i_pts;
1402 /*****************************************************************************
1403 * CloseEncoder: x264 encoder destruction
1404 *****************************************************************************/
1405 static void Close( vlc_object_t *p_this )
1407 encoder_t *p_enc = (encoder_t *)p_this;
1408 encoder_sys_t *p_sys = p_enc->p_sys;
1410 free( p_sys->psz_stat_name );
1412 x264_encoder_close( p_sys->h );
1414 #ifdef PTW32_STATIC_LIB
1415 vlc_value_t lock, count;
1417 var_Create( p_enc->p_libvlc, "pthread_win32_mutex", VLC_VAR_MUTEX );
1418 var_Get( p_enc->p_libvlc, "pthread_win32_mutex", &lock );
1419 vlc_mutex_lock( lock.p_address );
1421 var_Create( p_enc->p_libvlc, "pthread_win32_count", VLC_VAR_INTEGER );
1422 var_Get( p_enc->p_libvlc, "pthread_win32_count", &count );
1424 var_Set( p_enc->p_libvlc, "pthread_win32_count", count );
1426 if( count.i_int == 0 )
1428 pthread_win32_thread_detach_np();
1429 pthread_win32_process_detach_np();
1430 msg_Dbg( p_enc, "pthread-win32 deinitialized" );
1432 vlc_mutex_unlock( lock.p_address );
1435 free( p_sys->p_buffer );