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 *****************************************************************************/
34 #include <vlc_codec.h>
36 #ifdef PTW32_STATIC_LIB
41 #define SOUT_CFG_PREFIX "sout-x264-"
43 /*****************************************************************************
45 *****************************************************************************/
46 static int Open ( vlc_object_t * );
47 static void Close( vlc_object_t * );
49 /* Frame-type options */
51 #define KEYINT_TEXT N_("Maximum GOP size")
52 #define KEYINT_LONGTEXT N_( "Sets maximum interval between IDR-frames." \
53 "Larger values save bits, thus improving quality for a given bitrate at " \
54 "the cost of seeking precision." )
56 #define MIN_KEYINT_TEXT N_("Minimum GOP size")
57 #define MIN_KEYINT_LONGTEXT N_( "Sets minimum interval between IDR-frames. " \
58 "In H.264, I-frames do not necessarily bound a closed GOP because it is " \
59 "allowable for a P-frame to be predicted from more frames than just the " \
60 "one frame before it (also see reference frame option). Therefore, " \
61 "I-frames are not necessarily seekable. IDR-frames restrict subsequent " \
62 "P-frames from referring to any frame prior to the IDR-frame. \n" \
63 "If scenecuts appear within this interval, they are still encoded as " \
64 "I-frames, but do not start a new GOP." )
66 #define SCENE_TEXT N_("Extra I-frames aggressivity" )
67 #define SCENE_LONGTEXT N_( "Scene-cut detection. Controls how " \
68 "aggressively to insert extra I-frames. With small values of " \
69 "scenecut, the codec often has " \
70 "to force an I-frame when it would exceed keyint. " \
71 "Good values of scenecut may find a better location for the " \
72 "I-frame. Large values use more I-frames " \
73 "than necessary, thus wasting bits. -1 disables scene-cut detection, so " \
74 "I-frames are inserted only every other keyint frames, which probably " \
75 "leads to ugly encoding artifacts. Range 1 to 100." )
77 #if X264_BUILD >= 55 /* r607 */
78 #define PRESCENE_TEXT N_("Faster, less precise scenecut detection" )
79 #define PRESCENE_LONGTEXT N_( "Faster, less precise scenecut detection. " \
80 "Required and implied by multi-threading." )
83 #define BFRAMES_TEXT N_("B-frames between I and P")
84 #define BFRAMES_LONGTEXT N_( "Number of consecutive B-frames between I and " \
85 "P-frames. Range 1 to 16." )
87 #define B_ADAPT_TEXT N_("Adaptive B-frame decision")
88 #define B_ADAPT_LONGTEXT N_( "Force the specified number of " \
89 "consecutive B-frames to be used, except possibly before an I-frame." )
91 #define B_BIAS_TEXT N_("Influence (bias) B-frames usage")
92 #define B_BIAS_LONGTEXT N_( "Bias the choice to use B-frames. Positive values " \
93 "cause more B-frames, negative values cause less B-frames." )
95 #define BPYRAMID_TEXT N_("Keep some B-frames as references")
96 #define BPYRAMID_LONGTEXT N_( "Allows B-frames to be used as references for " \
97 "predicting other frames. Keeps the middle of 2+ consecutive B-frames " \
98 "as a reference, and reorders frame appropriately." )
100 #define CABAC_TEXT N_("CABAC")
101 #define CABAC_LONGTEXT N_( "CABAC (Context-Adaptive Binary Arithmetic "\
102 "Coding). Slightly slows down encoding and decoding, but should save " \
103 "10 to 15% bitrate." )
105 #define REF_TEXT N_("Number of reference frames")
106 #define REF_LONGTEXT N_( "Number of previous frames used as predictors. " \
107 "This is effective in Anime, but seems to make little difference in " \
108 "live-action source material. Some decoders are unable to deal with " \
109 "large frameref values. Range 1 to 16." )
111 #define NF_TEXT N_("Skip loop filter")
112 #define NF_LONGTEXT N_( "Deactivate the deblocking loop filter (decreases quality).")
114 #define FILTER_TEXT N_("Loop filter AlphaC0 and Beta parameters alpha:beta")
115 #define FILTER_LONGTEXT N_( "Loop filter AlphaC0 and Beta parameters. " \
116 "Range -6 to 6 for both alpha and beta parameters. -6 means light " \
117 "filter, 6 means strong.")
119 #define LEVEL_TEXT N_("H.264 level")
120 #define LEVEL_LONGTEXT N_( "Specify H.264 level (as defined by Annex A " \
121 "of the standard). Levels are not enforced; it's up to the user to select " \
122 "a level compatible with the rest of the encoding options. Range 1 to 5.1 " \
123 "(10 to 51 is also allowed).")
125 /* In order to play an interlaced output stream encoded by x264, a decoder needs
126 mbaff support. r570 is using the 'mb' part and not 'aff' yet; so it's really
127 'pure-interlaced' mode */
128 #if X264_BUILD >= 51 /* r570 */
129 #define INTERLACED_TEXT N_("Interlaced mode")
130 #define INTERLACED_LONGTEXT N_( "Pure-interlaced mode.")
135 #define QP_TEXT N_("Set QP")
136 #define QP_LONGTEXT N_( "This selects the quantizer to use. " \
137 "Lower values result in better fidelity, but higher bitrates. 26 is a " \
138 "good default value. Range 0 (lossless) to 51." )
140 #define CRF_TEXT N_("Quality-based VBR")
141 #define CRF_LONGTEXT N_( "1-pass Quality-based VBR. Range 0 to 51." )
143 #define QPMIN_TEXT N_("Min QP")
144 #define QPMIN_LONGTEXT N_( "Minimum quantizer parameter. 15 to 35 seems to " \
145 "be a useful range." )
147 #define QPMAX_TEXT N_("Max QP")
148 #define QPMAX_LONGTEXT N_( "Maximum quantizer parameter." )
150 #define QPSTEP_TEXT N_("Max QP step")
151 #define QPSTEP_LONGTEXT N_( "Max QP step between frames.")
153 #define RATETOL_TEXT N_("Average bitrate tolerance")
154 #define RATETOL_LONGTEXT N_( "Allowed variance in average " \
155 "bitrate (in kbits/s).")
157 #define VBV_MAXRATE_TEXT N_("Max local bitrate")
158 #define VBV_MAXRATE_LONGTEXT N_( "Sets a maximum local bitrate (in kbits/s).")
160 #define VBV_BUFSIZE_TEXT N_("VBV buffer")
161 #define VBV_BUFSIZE_LONGTEXT N_( "Averaging period for the maximum " \
162 "local bitrate (in kbits).")
164 #define VBV_INIT_TEXT N_("Initial VBV buffer occupancy")
165 #define VBV_INIT_LONGTEXT N_( "Sets the initial buffer occupancy as a " \
166 "fraction of the buffer size. Range 0.0 to 1.0.")
169 #define AQ_MODE_TEXT N_("How AQ distributes bits")
170 #define AQ_MODE_LONGTEXT N_("Defines bitdistribution mode for AQ, default 2\n" \
172 " - 1: Avoid moving bits between frames\n"\
173 " - 2: Move bits between frames")
175 #define AQ_STRENGTH_TEXT N_("Strength of AQ")
176 #define AQ_STRENGTH_LONGTEXT N_("Strength to reduce blocking and blurring in flat\n"\
177 "and textured areas, default 1.0 recommented to be between 0..2\n"\
182 /* IP Ratio < 1 is technically valid but should never improve quality */
183 #define IPRATIO_TEXT N_("QP factor between I and P")
184 #define IPRATIO_LONGTEXT N_( "QP factor between I and P. Range 1.0 to 2.0.")
186 /* PB ratio < 1 is not valid and breaks ratecontrol */
187 #define PBRATIO_TEXT N_("QP factor between P and B")
188 #define PBRATIO_LONGTEXT N_( "QP factor between P and B. Range 1.0 to 2.0.")
190 #define CHROMA_QP_OFFSET_TEXT N_("QP difference between chroma and luma")
191 #define CHROMA_QP_OFFSET_LONGTEXT N_( "QP difference between chroma and luma.")
193 #define PASS_TEXT N_("Multipass ratecontrol")
194 #define PASS_LONGTEXT N_( "Multipass ratecontrol:\n" \
195 " - 1: First pass, creates stats file\n" \
196 " - 2: Last pass, does not overwrite stats file\n" \
197 " - 3: Nth pass, overwrites stats file\n" )
199 #define QCOMP_TEXT N_("QP curve compression")
200 #define QCOMP_LONGTEXT N_( "QP curve compression. Range 0.0 (CBR) to 1.0 (QCP).")
202 #define CPLXBLUR_TEXT N_("Reduce fluctuations in QP")
203 #define CPLXBLUR_LONGTEXT N_( "This reduces the fluctuations in QP " \
204 "before curve compression. Temporally blurs complexity.")
206 #define QBLUR_TEXT N_("Reduce fluctuations in QP")
207 #define QBLUR_LONGTEXT N_( "This reduces the fluctations in QP " \
208 "after curve compression. Temporally blurs quants.")
212 #define ANALYSE_TEXT N_("Partitions to consider")
213 #define ANALYSE_LONGTEXT N_( "Partitions to consider in analyse mode: \n" \
216 " - normal: i4x4,p8x8,(i8x8)\n" \
217 " - slow : i4x4,p8x8,(i8x8),b8x8\n" \
218 " - all : i4x4,p8x8,(i8x8),b8x8,p4x4\n" \
219 "(p4x4 requires p8x8. i8x8 requires 8x8dct).")
221 #define DIRECT_PRED_TEXT N_("Direct MV prediction mode")
222 #define DIRECT_PRED_LONGTEXT N_( "Direct MV prediction mode.")
224 #if X264_BUILD >= 52 /* r573 */
225 #define DIRECT_PRED_SIZE_TEXT N_("Direct prediction size")
226 #define DIRECT_PRED_SIZE_LONGTEXT N_( "Direct prediction size: "\
229 " - -1: smallest possible according to level\n" )
232 #define WEIGHTB_TEXT N_("Weighted prediction for B-frames")
233 #define WEIGHTB_LONGTEXT N_( "Weighted prediction for B-frames.")
235 #define ME_TEXT N_("Integer pixel motion estimation method")
236 #if X264_BUILD >= 58 /* r728 */
237 #define ME_LONGTEXT N_( "Selects the motion estimation algorithm: "\
238 " - dia: diamond search, radius 1 (fast)\n" \
239 " - hex: hexagonal search, radius 2\n" \
240 " - umh: uneven multi-hexagon search (better but slower)\n" \
241 " - esa: exhaustive search (extremely slow, primarily for testing)\n" \
242 " - tesa: hadamard exhaustive search (extremely slow, primarily for testing)\n" )
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" )
252 #define MERANGE_TEXT N_("Maximum motion vector search range")
253 #define MERANGE_LONGTEXT N_( "Maximum distance to search for " \
254 "motion estimation, measured from predicted position(s). " \
255 "Default of 16 is good for most footage, high motion sequences may " \
256 "benefit from settings between 24 and 32. Range 0 to 64." )
258 #define MVRANGE_TEXT N_("Maximum motion vector length")
259 #define MVRANGE_LONGTEXT N_( "Maximum motion vector length in pixels. " \
260 "-1 is automatic, based on level." )
263 #if X264_BUILD >= 55 /* r607 */
264 #define MVRANGE_THREAD_TEXT N_("Minimum buffer space between threads")
265 #define MVRANGE_THREAD_LONGTEXT N_( "Minimum buffer space between threads. " \
266 "-1 is automatic, based on number of threads." )
269 #define SUBME_TEXT N_("Subpixel motion estimation and partition decision " \
271 #if X264_BUILD >= 46 /* r477 */
273 #define SUBME_LONGTEXT N_( "This parameter controls quality versus speed " \
274 "tradeoffs involved in the motion estimation decision process " \
275 "(lower = quicker and higher = better quality). Range 1 to 7." )
276 #elif X264_BUILD >= 30 /* r262 */
278 #define SUBME_LONGTEXT N_( "This parameter controls quality versus speed " \
279 "tradeoffs involved in the motion estimation decision process " \
280 "(lower = quicker and higher = better quality). Range 1 to 6." )
283 #define SUBME_LONGTEXT N_( "This parameter controls quality versus speed " \
284 "tradeoffs involved in the motion estimation decision process " \
285 "(lower = quicker and higher = better quality). Range 1 to 5." )
288 #define B_RDO_TEXT N_("RD based mode decision for B-frames")
289 #define B_RDO_LONGTEXT N_( "RD based mode decision for B-frames. This " \
290 "requires subme 6 (or higher).")
292 #define MIXED_REFS_TEXT N_("Decide references on a per partition basis")
293 #define MIXED_REFS_LONGTEXT N_( "Allows each 8x8 or 16x8 partition to " \
294 "independently select a reference frame, as opposed to only one ref " \
297 #define CHROMA_ME_TEXT N_("Chroma in motion estimation")
298 #define CHROMA_ME_LONGTEXT N_( "Chroma ME for subpel and mode decision in " \
301 #define BIME_TEXT N_("Jointly optimize both MVs in B-frames")
302 #define BIME_LONGTEXT N_( "Joint bidirectional motion refinement.")
304 #define TRANSFORM_8X8DCT_TEXT N_("Adaptive spatial transform size")
305 #define TRANSFORM_8X8DCT_LONGTEXT N_( \
306 "SATD-based decision for 8x8 transform in inter-MBs.")
308 #define TRELLIS_TEXT N_("Trellis RD quantization" )
309 #define TRELLIS_LONGTEXT N_( "Trellis RD quantization: \n" \
311 " - 1: enabled only on the final encode of a MB\n" \
312 " - 2: enabled on all mode decisions\n" \
313 "This requires CABAC." )
315 #define FAST_PSKIP_TEXT N_("Early SKIP detection on P-frames")
316 #define FAST_PSKIP_LONGTEXT N_( "Early SKIP detection on P-frames.")
318 #define DCT_DECIMATE_TEXT N_("Coefficient thresholding on P-frames")
319 #define DCT_DECIMATE_LONGTEXT N_( "Coefficient thresholding on P-frames." \
320 "Eliminate dct blocks containing only a small single coefficient.")
322 /* Noise reduction 1 is too weak to measure, suggest at least 10 */
323 #define NR_TEXT N_("Noise reduction")
324 #define NR_LONGTEXT N_( "Dct-domain noise reduction. Adaptive pseudo-deadzone. " \
325 "10 to 1000 seems to be a useful range." )
327 #if X264_BUILD >= 52 /* r573 */
328 #define DEADZONE_INTER_TEXT N_("Inter luma quantization deadzone")
329 #define DEADZONE_INTER_LONGTEXT N_( "Set the size of the inter luma quantization deadzone. " \
332 #define DEADZONE_INTRA_TEXT N_("Intra luma quantization deadzone")
333 #define DEADZONE_INTRA_LONGTEXT N_( "Set the size of the intra luma quantization deadzone. " \
339 #if X264_BUILD >= 55 /* r607 */
340 #define NON_DETERMINISTIC_TEXT N_("Non-deterministic optimizations when threaded")
341 #define NON_DETERMINISTIC_LONGTEXT N_( "Slightly improve quality of SMP, " \
342 "at the cost of repeatability.")
345 #define ASM_TEXT N_("CPU optimizations")
346 #define ASM_LONGTEXT N_( "Use assembler CPU optimizations.")
348 #define STATS_TEXT N_("Filename for 2 pass stats file")
349 #define STATS_LONGTEXT N_( "Filename for 2 pass stats file for multi-pass encoding.")
351 #define PSNR_TEXT N_("PSNR computation")
352 #define PSNR_LONGTEXT N_( "Compute and print PSNR stats. This has no effect on " \
353 "the actual encoding quality." )
355 #define SSIM_TEXT N_("SSIM computation")
356 #define SSIM_LONGTEXT N_( "Compute and print SSIM stats. This has no effect on " \
357 "the actual encoding quality." )
359 #define QUIET_TEXT N_("Quiet mode")
360 #define QUIET_LONGTEXT N_( "Quiet mode.")
362 #define VERBOSE_TEXT N_("Statistics")
363 #define VERBOSE_LONGTEXT N_( "Print stats for each frame.")
365 #if X264_BUILD >= 47 /* r518 */
366 #define SPS_ID_TEXT N_("SPS and PPS id numbers")
367 #define SPS_ID_LONGTEXT N_( "Set SPS and PPS id numbers to allow concatenating " \
368 "streams with different settings.")
371 #define AUD_TEXT N_("Access unit delimiters")
372 #define AUD_LONGTEXT N_( "Generate access unit delimiter NAL units.")
374 #if X264_BUILD >= 24 && X264_BUILD < 58
375 static const char *enc_me_list[] =
376 { "dia", "hex", "umh", "esa" };
377 static const char *enc_me_list_text[] =
378 { N_("dia"), N_("hex"), N_("umh"), N_("esa") };
381 #if X264_BUILD >= 58 /* r728 */
382 static const char *enc_me_list[] =
383 { "dia", "hex", "umh", "esa", "tesa" };
384 static const char *enc_me_list_text[] =
385 { N_("dia"), N_("hex"), N_("umh"), N_("esa"), N_("tesa") };
388 static const char *enc_analyse_list[] =
389 { "none", "fast", "normal", "slow", "all" };
390 static const char *enc_analyse_list_text[] =
391 { N_("none"), N_("fast"), N_("normal"), N_("slow"), N_("all") };
393 #if X264_BUILD >= 45 /* r457 */
394 static const char *direct_pred_list[] =
395 { "none", "spatial", "temporal", "auto" };
396 static const char *direct_pred_list_text[] =
397 { N_("none"), N_("spatial"), N_("temporal"), N_("auto") };
399 static const char *direct_pred_list[] =
400 { "none", "spatial", "temporal" };
401 static const char *direct_pred_list_text[] =
402 { N_("none"), N_("spatial"), N_("temporal") };
406 set_description( _("H.264/MPEG4 AVC encoder (using x264 library)"));
407 set_capability( "encoder", 200 );
408 set_callbacks( Open, Close );
409 set_category( CAT_INPUT );
410 set_subcategory( SUBCAT_INPUT_VCODEC );
412 /* Frame-type options */
414 add_integer( SOUT_CFG_PREFIX "keyint", 250, NULL, KEYINT_TEXT,
415 KEYINT_LONGTEXT, VLC_FALSE );
417 add_integer( SOUT_CFG_PREFIX "min-keyint", 25, NULL, MIN_KEYINT_TEXT,
418 MIN_KEYINT_LONGTEXT, VLC_FALSE );
419 add_deprecated_alias( SOUT_CFG_PREFIX "keyint-min" ); /* Deprecated since 0.8.5 */
421 add_integer( SOUT_CFG_PREFIX "scenecut", 40, NULL, SCENE_TEXT,
422 SCENE_LONGTEXT, VLC_FALSE );
423 change_integer_range( -1, 100 );
425 #if X264_BUILD >= 55 /* r607 */
426 add_bool( SOUT_CFG_PREFIX "pre-scenecut", 0, NULL, PRESCENE_TEXT,
427 PRESCENE_LONGTEXT, VLC_FALSE );
430 add_integer( SOUT_CFG_PREFIX "bframes", 0, NULL, BFRAMES_TEXT,
431 BFRAMES_LONGTEXT, VLC_FALSE );
432 change_integer_range( 0, 16 );
434 #if X264_BUILD >= 0x0013 /* r137 */
435 add_bool( SOUT_CFG_PREFIX "b-adapt", 1, NULL, B_ADAPT_TEXT,
436 B_ADAPT_LONGTEXT, VLC_FALSE );
438 add_integer( SOUT_CFG_PREFIX "b-bias", 0, NULL, B_BIAS_TEXT,
439 B_BIAS_LONGTEXT, VLC_FALSE );
440 change_integer_range( -100, 100 );
443 add_bool( SOUT_CFG_PREFIX "bpyramid", 0, NULL, BPYRAMID_TEXT,
444 BPYRAMID_LONGTEXT, VLC_FALSE );
446 add_bool( SOUT_CFG_PREFIX "cabac", 1, NULL, CABAC_TEXT, CABAC_LONGTEXT,
449 add_integer( SOUT_CFG_PREFIX "ref", 1, NULL, REF_TEXT,
450 REF_LONGTEXT, VLC_FALSE );
451 change_integer_range( 1, 16 );
452 add_deprecated_alias( SOUT_CFG_PREFIX "frameref" ); /* Deprecated since 0.8.5 */
454 add_bool( SOUT_CFG_PREFIX "nf", 0, NULL, NF_TEXT,
455 NF_LONGTEXT, VLC_FALSE );
456 add_deprecated_alias( SOUT_CFG_PREFIX "loopfilter" ); /* Deprecated since 0.8.5 */
458 add_string( SOUT_CFG_PREFIX "deblock", "0:0", NULL, FILTER_TEXT,
459 FILTER_LONGTEXT, VLC_FALSE );
460 add_deprecated_alias( SOUT_CFG_PREFIX "filter" ); /* Deprecated since 0.8.6 */
462 add_string( SOUT_CFG_PREFIX "level", "5.1", NULL, LEVEL_TEXT,
463 LEVEL_LONGTEXT, VLC_FALSE );
465 #if X264_BUILD >= 51 /* r570 */
466 add_bool( SOUT_CFG_PREFIX "interlaced", 0, NULL, INTERLACED_TEXT, INTERLACED_LONGTEXT,
472 add_integer( SOUT_CFG_PREFIX "qp", 26, NULL, QP_TEXT, QP_LONGTEXT,
474 change_integer_range( 0, 51 ); /* QP 0 -> lossless encoding */
476 #if X264_BUILD >= 37 /* r334 */
477 add_integer( SOUT_CFG_PREFIX "crf", 0, NULL, CRF_TEXT,
478 CRF_LONGTEXT, VLC_FALSE );
479 change_integer_range( 0, 51 );
482 add_integer( SOUT_CFG_PREFIX "qpmin", 10, NULL, QPMIN_TEXT,
483 QPMIN_LONGTEXT, VLC_FALSE );
484 change_integer_range( 0, 51 );
485 add_deprecated_alias( SOUT_CFG_PREFIX "qp-min" ); /* Deprecated since 0.8.5 */
487 add_integer( SOUT_CFG_PREFIX "qpmax", 51, NULL, QPMAX_TEXT,
488 QPMAX_LONGTEXT, VLC_FALSE );
489 change_integer_range( 0, 51 );
490 add_deprecated_alias( SOUT_CFG_PREFIX "qp-max" ); /* Deprecated since 0.8.5 */
492 add_integer( SOUT_CFG_PREFIX "qpstep", 4, NULL, QPSTEP_TEXT,
493 QPSTEP_LONGTEXT, VLC_FALSE );
494 change_integer_range( 0, 51 );
496 add_float( SOUT_CFG_PREFIX "ratetol", 1.0, NULL, RATETOL_TEXT,
497 RATETOL_LONGTEXT, VLC_FALSE );
498 change_float_range( 0, 100 );
499 add_deprecated_alias( SOUT_CFG_PREFIX "tolerance" ); /* Deprecated since 0.8.5 */
501 add_integer( SOUT_CFG_PREFIX "vbv-maxrate", 0, NULL, VBV_MAXRATE_TEXT,
502 VBV_MAXRATE_LONGTEXT, VLC_FALSE );
504 add_integer( SOUT_CFG_PREFIX "vbv-bufsize", 0, NULL, VBV_BUFSIZE_TEXT,
505 VBV_BUFSIZE_LONGTEXT, VLC_FALSE );
507 add_float( SOUT_CFG_PREFIX "vbv-init", 0.9, NULL, VBV_INIT_TEXT,
508 VBV_INIT_LONGTEXT, VLC_FALSE );
509 change_float_range( 0, 1 );
511 add_float( SOUT_CFG_PREFIX "ipratio", 1.40, NULL, IPRATIO_TEXT,
512 IPRATIO_LONGTEXT, VLC_FALSE );
513 change_float_range( 1, 2 );
515 add_float( SOUT_CFG_PREFIX "pbratio", 1.30, NULL, PBRATIO_TEXT,
516 PBRATIO_LONGTEXT, VLC_FALSE );
517 change_float_range( 1, 2 );
519 #if X264_BUILD >= 23 /* r190 */
520 add_integer( SOUT_CFG_PREFIX "chroma-qp-offset", 0, NULL, CHROMA_QP_OFFSET_TEXT,
521 CHROMA_QP_OFFSET_LONGTEXT, VLC_FALSE );
524 add_integer( SOUT_CFG_PREFIX "pass", 0, NULL, PASS_TEXT,
525 PASS_LONGTEXT, VLC_FALSE );
526 change_integer_range( 0, 3 );
528 add_float( SOUT_CFG_PREFIX "qcomp", 0.60, NULL, QCOMP_TEXT,
529 QCOMP_LONGTEXT, VLC_FALSE );
530 change_float_range( 0, 1 );
532 add_float( SOUT_CFG_PREFIX "cplxblur", 20.0, NULL, CPLXBLUR_TEXT,
533 CPLXBLUR_LONGTEXT, VLC_FALSE );
535 add_float( SOUT_CFG_PREFIX "qblur", 0.5, NULL, QBLUR_TEXT,
536 QBLUR_LONGTEXT, VLC_FALSE );
538 add_integer( SOUT_CFG_PREFIX "aq-mode", 2, NULL, AQ_MODE_TEXT,
539 AQ_MODE_LONGTEXT, VLC_FALSE );
540 change_integer_range( 0, 2 );
541 add_float( SOUT_CFG_PREFIX "aq-strength", 1.0, NULL, AQ_STRENGTH_TEXT,
542 AQ_STRENGTH_LONGTEXT, VLC_FALSE );
547 /* x264 partitions = none (default). set at least "normal" mode. */
548 add_string( SOUT_CFG_PREFIX "partitions", "normal", NULL, ANALYSE_TEXT,
549 ANALYSE_LONGTEXT, VLC_FALSE );
550 change_string_list( enc_analyse_list, enc_analyse_list_text, 0 );
551 add_deprecated_alias( SOUT_CFG_PREFIX "analyse" ); /* Deprecated since 0.8.6 */
553 add_string( SOUT_CFG_PREFIX "direct", "spatial", NULL, DIRECT_PRED_TEXT,
554 DIRECT_PRED_LONGTEXT, VLC_FALSE );
555 change_string_list( direct_pred_list, direct_pred_list_text, 0 );
557 #if X264_BUILD >= 52 /* r573 */
558 add_integer( SOUT_CFG_PREFIX "direct-8x8", -1, NULL, DIRECT_PRED_SIZE_TEXT,
559 DIRECT_PRED_SIZE_LONGTEXT, VLC_FALSE );
560 change_integer_range( -1, 1 );
563 #if X264_BUILD >= 0x0012 /* r134 */
564 add_bool( SOUT_CFG_PREFIX "weightb", 0, NULL, WEIGHTB_TEXT,
565 WEIGHTB_LONGTEXT, VLC_FALSE );
568 #if X264_BUILD >= 24 /* r221 */
569 add_string( SOUT_CFG_PREFIX "me", "hex", NULL, ME_TEXT,
570 ME_LONGTEXT, VLC_FALSE );
571 change_string_list( enc_me_list, enc_me_list_text, 0 );
573 add_integer( SOUT_CFG_PREFIX "merange", 16, NULL, MERANGE_TEXT,
574 MERANGE_LONGTEXT, VLC_FALSE );
575 change_integer_range( 1, 64 );
578 add_integer( SOUT_CFG_PREFIX "mvrange", -1, NULL, MVRANGE_TEXT,
579 MVRANGE_LONGTEXT, VLC_FALSE );
581 #if X264_BUILD >= 55 /* r607 */
582 add_integer( SOUT_CFG_PREFIX "mvrange-thread", -1, NULL, MVRANGE_THREAD_TEXT,
583 MVRANGE_THREAD_LONGTEXT, VLC_FALSE );
586 add_integer( SOUT_CFG_PREFIX "subme", 5, NULL, SUBME_TEXT,
587 SUBME_LONGTEXT, VLC_FALSE );
588 change_integer_range( 1, SUBME_MAX );
589 add_deprecated_alias( SOUT_CFG_PREFIX "subpel" ); /* Deprecated since 0.8.5 */
591 #if X264_BUILD >= 41 /* r368 */
592 add_bool( SOUT_CFG_PREFIX "b-rdo", 0, NULL, B_RDO_TEXT,
593 B_RDO_LONGTEXT, VLC_FALSE );
596 #if X264_BUILD >= 36 /* r318 */
597 add_bool( SOUT_CFG_PREFIX "mixed-refs", 0, NULL, MIXED_REFS_TEXT,
598 MIXED_REFS_LONGTEXT, VLC_FALSE );
601 #if X264_BUILD >= 23 /* r171 */
602 add_bool( SOUT_CFG_PREFIX "chroma-me", 1, NULL, CHROMA_ME_TEXT,
603 CHROMA_ME_LONGTEXT, VLC_FALSE );
606 #if X264_BUILD >= 43 /* r390 */
607 add_bool( SOUT_CFG_PREFIX "bime", 0, NULL, BIME_TEXT,
608 BIME_LONGTEXT, VLC_FALSE );
611 #if X264_BUILD >= 30 /* r251 */
612 add_bool( SOUT_CFG_PREFIX "8x8dct", 0, NULL, TRANSFORM_8X8DCT_TEXT,
613 TRANSFORM_8X8DCT_LONGTEXT, VLC_FALSE );
616 #if X264_BUILD >= 39 /* r360 */
617 add_integer( SOUT_CFG_PREFIX "trellis", 0, NULL, TRELLIS_TEXT,
618 TRELLIS_LONGTEXT, VLC_FALSE );
619 change_integer_range( 0, 2 );
622 #if X264_BUILD >= 42 /* r384 */
623 add_bool( SOUT_CFG_PREFIX "fast-pskip", 1, NULL, FAST_PSKIP_TEXT,
624 FAST_PSKIP_LONGTEXT, VLC_FALSE );
627 #if X264_BUILD >= 46 /* r503 */
628 add_bool( SOUT_CFG_PREFIX "dct-decimate", 1, NULL, DCT_DECIMATE_TEXT,
629 DCT_DECIMATE_LONGTEXT, VLC_FALSE );
632 #if X264_BUILD >= 44 /* r398 */
633 add_integer( SOUT_CFG_PREFIX "nr", 0, NULL, NR_TEXT,
634 NR_LONGTEXT, VLC_FALSE );
635 change_integer_range( 0, 1000 );
638 #if X264_BUILD >= 52 /* r573 */
639 add_integer( SOUT_CFG_PREFIX "deadzone-inter", 21, NULL, DEADZONE_INTER_TEXT,
640 DEADZONE_INTRA_LONGTEXT, VLC_FALSE );
641 change_integer_range( 0, 32 );
643 add_integer( SOUT_CFG_PREFIX "deadzone-intra", 11, NULL, DEADZONE_INTRA_TEXT,
644 DEADZONE_INTRA_LONGTEXT, VLC_FALSE );
645 change_integer_range( 0, 32 );
650 #if X264_BUILD >= 55 /* r607 */
651 add_bool( SOUT_CFG_PREFIX "non-deterministic", 0, NULL, NON_DETERMINISTIC_TEXT,
652 NON_DETERMINISTIC_LONGTEXT, VLC_FALSE );
655 add_bool( SOUT_CFG_PREFIX "asm", 1, NULL, ASM_TEXT,
656 ASM_LONGTEXT, VLC_FALSE );
658 /* x264 psnr = 1 (default). disable PSNR computation for speed. */
659 add_bool( SOUT_CFG_PREFIX "psnr", 0, NULL, PSNR_TEXT,
660 PSNR_LONGTEXT, VLC_FALSE );
662 #if X264_BUILD >= 50 /* r554 */
663 /* x264 ssim = 1 (default). disable SSIM computation for speed. */
664 add_bool( SOUT_CFG_PREFIX "ssim", 0, NULL, SSIM_TEXT,
665 SSIM_LONGTEXT, VLC_FALSE );
668 add_bool( SOUT_CFG_PREFIX "quiet", 0, NULL, QUIET_TEXT,
669 QUIET_LONGTEXT, VLC_FALSE );
671 #if X264_BUILD >= 47 /* r518 */
672 add_integer( SOUT_CFG_PREFIX "sps-id", 0, NULL, SPS_ID_TEXT,
673 SPS_ID_LONGTEXT, VLC_FALSE );
676 add_bool( SOUT_CFG_PREFIX "aud", 0, NULL, AUD_TEXT,
677 AUD_LONGTEXT, VLC_FALSE );
679 #if X264_BUILD >= 0x000e /* r81 */
680 add_bool( SOUT_CFG_PREFIX "verbose", 0, NULL, VERBOSE_TEXT,
681 VERBOSE_LONGTEXT, VLC_FALSE );
684 add_string( SOUT_CFG_PREFIX "stats", "x264_2pass.log", NULL, STATS_TEXT,
685 STATS_LONGTEXT, VLC_FALSE );
689 /*****************************************************************************
691 *****************************************************************************/
692 static const char *ppsz_sout_options[] = {
693 "8x8dct", "analyse", "asm", "aud", "bframes", "bime", "bpyramid",
694 "b-adapt", "b-bias", "b-rdo", "cabac", "chroma-me", "chroma-qp-offset",
695 "cplxblur", "crf", "dct-decimate", "deadzone-inter", "deadzone-intra",
696 "deblock", "direct", "direct-8x8", "filter", "fast-pskip", "frameref",
697 "interlaced", "ipratio", "keyint", "keyint-min", "level", "loopfilter",
698 "me", "merange", "min-keyint", "mixed-refs", "mvrange", "mvrange-thread",
699 "nf", "non-deterministic", "nr", "partitions", "pass", "pbratio",
700 "pre-scenecut", "psnr", "qblur", "qp", "qcomp", "qpstep", "qpmax",
701 "qpmin", "qp-max", "qp-min", "quiet", "ratetol", "ref", "scenecut",
702 "sps-id", "ssim", "stats", "subme", "subpel", "tolerance", "trellis",
703 "verbose", "vbv-bufsize", "vbv-init", "vbv-maxrate", "weightb", "aq-mode",
707 static block_t *Encode( encoder_t *, picture_t * );
717 mtime_t i_interpolated_dts;
722 /*****************************************************************************
723 * Open: probe the encoder
724 *****************************************************************************/
725 static int Open ( vlc_object_t *p_this )
727 encoder_t *p_enc = (encoder_t *)p_this;
728 encoder_sys_t *p_sys;
730 int i_qmin = 0, i_qmax = 0;
734 if( p_enc->fmt_out.i_codec != VLC_FOURCC( 'h', '2', '6', '4' ) &&
740 /* X264_POINTVER or X264_VERSION are not available */
741 msg_Dbg ( p_enc, "version x264 0.%d.X", X264_BUILD );
744 if( p_enc->fmt_in.video.i_width % 16 != 0 ||
745 p_enc->fmt_in.video.i_height % 16 != 0 )
747 msg_Warn( p_enc, "size is not a multiple of 16 (%ix%i)",
748 p_enc->fmt_in.video.i_width, p_enc->fmt_in.video.i_height );
750 if( p_enc->fmt_in.video.i_width < 16 ||
751 p_enc->fmt_in.video.i_height < 16 )
753 msg_Err( p_enc, "video is too small to be cropped" );
757 msg_Warn( p_enc, "cropping video to %ix%i",
758 p_enc->fmt_in.video.i_width >> 4 << 4,
759 p_enc->fmt_in.video.i_height >> 4 << 4 );
763 config_ChainParse( p_enc, SOUT_CFG_PREFIX, ppsz_sout_options, p_enc->p_cfg );
765 p_enc->fmt_out.i_codec = VLC_FOURCC( 'h', '2', '6', '4' );
766 p_enc->fmt_in.i_codec = VLC_FOURCC('I','4','2','0');
768 p_enc->pf_encode_video = Encode;
769 p_enc->pf_encode_audio = NULL;
770 p_enc->p_sys = p_sys = malloc( sizeof( encoder_sys_t ) );
771 p_sys->i_interpolated_dts = 0;
772 p_sys->psz_stat_name = NULL;
774 x264_param_default( &p_sys->param );
775 p_sys->param.i_width = p_enc->fmt_in.video.i_width;
776 p_sys->param.i_height = p_enc->fmt_in.video.i_height;
778 p_sys->param.i_width = p_sys->param.i_width >> 4 << 4;
779 p_sys->param.i_height = p_sys->param.i_height >> 4 << 4;
782 /* average bitrate specified by transcode vb */
783 p_sys->param.rc.i_bitrate = p_enc->fmt_out.i_bitrate / 1000;
786 /* cbr = 1 overrides qp or crf and sets an average bitrate
787 but maxrate = average bitrate is needed for "real" CBR */
788 if( p_sys->param.rc.i_bitrate > 0 ) p_sys->param.rc.b_cbr = 1;
790 if( p_sys->param.rc.i_bitrate > 0 ) p_sys->param.rc.i_rc_method = X264_RC_ABR;
793 var_Get( p_enc, SOUT_CFG_PREFIX "qpstep", &val );
794 if( val.i_int >= 0 && val.i_int <= 51 ) p_sys->param.rc.i_qp_step = val.i_int;
795 var_Get( p_enc, SOUT_CFG_PREFIX "qpmin", &val );
796 if( val.i_int >= 0 && val.i_int <= 51 )
799 p_sys->param.rc.i_qp_min = i_qmin;
801 var_Get( p_enc, SOUT_CFG_PREFIX "qpmax", &val );
802 if( val.i_int >= 0 && val.i_int <= 51 )
805 p_sys->param.rc.i_qp_max = i_qmax;
808 var_Get( p_enc, SOUT_CFG_PREFIX "qp", &val );
809 if( val.i_int >= 0 && val.i_int <= 51 )
811 if( i_qmin > val.i_int ) i_qmin = val.i_int;
812 if( i_qmax < val.i_int ) i_qmax = val.i_int;
814 p_sys->param.rc.i_rc_method = X264_RC_CQP;
815 #if X264_BUILD >= 0x000a
816 p_sys->param.rc.i_qp_constant = val.i_int;
817 p_sys->param.rc.i_qp_min = i_qmin;
818 p_sys->param.rc.i_qp_max = i_qmax;
820 p_sys->param.i_qp_constant = val.i_int;
825 var_Get( p_enc, SOUT_CFG_PREFIX "ratetol", &val );
826 p_sys->param.rc.f_rate_tolerance = val.f_float;
828 var_Get( p_enc, SOUT_CFG_PREFIX "vbv-init", &val );
829 p_sys->param.rc.f_vbv_buffer_init = val.f_float;
831 var_Get( p_enc, SOUT_CFG_PREFIX "vbv-bufsize", &val );
832 p_sys->param.rc.i_vbv_buffer_size = val.i_int;
834 /* x264 vbv-bufsize = 0 (default). if not provided set period
835 in seconds for local maximum bitrate (cache/bufsize) based
836 on average bitrate. */
838 p_sys->param.rc.i_vbv_buffer_size = p_sys->param.rc.i_bitrate * 2;
840 /* max bitrate = average bitrate -> CBR */
841 var_Get( p_enc, SOUT_CFG_PREFIX "vbv-maxrate", &val );
842 p_sys->param.rc.i_vbv_max_bitrate = val.i_int;
845 p_sys->param.rc.i_rc_buffer_size = p_sys->param.rc.i_bitrate;
846 p_sys->param.rc.i_rc_init_buffer = p_sys->param.rc.i_bitrate / 4;
849 var_Get( p_enc, SOUT_CFG_PREFIX "cabac", &val );
850 p_sys->param.b_cabac = val.b_bool;
852 /* disable deblocking when nf (no loop filter) is enabled */
853 var_Get( p_enc, SOUT_CFG_PREFIX "nf", &val );
854 p_sys->param.b_deblocking_filter = !val.b_bool;
856 var_Get( p_enc, SOUT_CFG_PREFIX "deblock", &val );
859 char *p = strchr( val.psz_string, ':' );
860 p_sys->param.i_deblocking_filter_alphac0 = atoi( val.psz_string );
861 p_sys->param.i_deblocking_filter_beta = p ? atoi( p+1 ) : p_sys->param.i_deblocking_filter_alphac0;
862 free( val.psz_string );
865 var_Get( p_enc, SOUT_CFG_PREFIX "level", &val );
868 if( atof (val.psz_string) < 6 )
869 p_sys->param.i_level_idc = (int) ( 10 * atof (val.psz_string) + .5);
871 p_sys->param.i_level_idc = atoi (val.psz_string);
872 free( val.psz_string );
875 #if X264_BUILD >= 51 /* r570 */
876 var_Get( p_enc, SOUT_CFG_PREFIX "interlaced", &val );
877 p_sys->param.b_interlaced = val.b_bool;
880 var_Get( p_enc, SOUT_CFG_PREFIX "ipratio", &val );
881 p_sys->param.rc.f_ip_factor = val.f_float;
883 var_Get( p_enc, SOUT_CFG_PREFIX "pbratio", &val );
884 p_sys->param.rc.f_pb_factor = val.f_float;
886 var_Get( p_enc, SOUT_CFG_PREFIX "qcomp", &val );
887 p_sys->param.rc.f_qcompress = val.f_float;
889 var_Get( p_enc, SOUT_CFG_PREFIX "cplxblur", &val );
890 p_sys->param.rc.f_complexity_blur = val.f_float;
892 var_Get( p_enc, SOUT_CFG_PREFIX "qblur", &val );
893 p_sys->param.rc.f_qblur = val.f_float;
896 var_Get( p_enc, SOUT_CFG_PREFIX "aq-mode", &val );
897 p_sys->param.rc.i_aq_mode = val.i_int;
899 var_Get( p_enc, SOUT_CFG_PREFIX "aq-strength", &val );
900 p_sys->param.rc.f_aq_strength = val.f_float;
903 #if X264_BUILD >= 0x000e
904 var_Get( p_enc, SOUT_CFG_PREFIX "verbose", &val );
905 if( val.b_bool ) p_sys->param.i_log_level = X264_LOG_DEBUG;
908 var_Get( p_enc, SOUT_CFG_PREFIX "quiet", &val );
909 if( val.b_bool ) p_sys->param.i_log_level = X264_LOG_NONE;
911 #if X264_BUILD >= 47 /* r518 */
912 var_Get( p_enc, SOUT_CFG_PREFIX "sps-id", &val );
913 if( val.i_int >= 0 ) p_sys->param.i_sps_id = val.i_int;
916 var_Get( p_enc, SOUT_CFG_PREFIX "aud", &val );
917 if( val.b_bool ) p_sys->param.b_aud = val.b_bool;
919 var_Get( p_enc, SOUT_CFG_PREFIX "keyint", &val );
920 #if X264_BUILD >= 0x000e
921 if( val.i_int > 0 ) p_sys->param.i_keyint_max = val.i_int;
923 if( val.i_int > 0 ) p_sys->param.i_iframe = val.i_int;
926 var_Get( p_enc, SOUT_CFG_PREFIX "min-keyint", &val );
927 #if X264_BUILD >= 0x000e
928 if( val.i_int > 0 ) p_sys->param.i_keyint_min = val.i_int;
930 if( val.i_int > 0 ) p_sys->param.i_idrframe = val.i_int;
933 var_Get( p_enc, SOUT_CFG_PREFIX "bframes", &val );
934 if( val.i_int >= 0 && val.i_int <= 16 )
935 p_sys->param.i_bframe = val.i_int;
938 var_Get( p_enc, SOUT_CFG_PREFIX "bpyramid", &val );
939 p_sys->param.b_bframe_pyramid = val.b_bool;
942 var_Get( p_enc, SOUT_CFG_PREFIX "ref", &val );
943 if( val.i_int > 0 && val.i_int <= 15 )
944 p_sys->param.i_frame_reference = val.i_int;
946 var_Get( p_enc, SOUT_CFG_PREFIX "scenecut", &val );
947 #if X264_BUILD >= 0x000b
948 if( val.i_int >= -1 && val.i_int <= 100 )
949 p_sys->param.i_scenecut_threshold = val.i_int;
952 #if X264_BUILD >= 55 /* r607 */
953 var_Get( p_enc, SOUT_CFG_PREFIX "pre-scenecut", &val );
954 p_sys->param.b_pre_scenecut = val.b_bool;
955 var_Get( p_enc, SOUT_CFG_PREFIX "non-deterministic", &val );
956 p_sys->param.b_deterministic = val.b_bool;
959 var_Get( p_enc, SOUT_CFG_PREFIX "subme", &val );
960 if( val.i_int >= 1 && val.i_int <= SUBME_MAX )
961 p_sys->param.analyse.i_subpel_refine = val.i_int;
964 var_Get( p_enc, SOUT_CFG_PREFIX "me", &val );
965 if( !strcmp( val.psz_string, "dia" ) )
967 p_sys->param.analyse.i_me_method = X264_ME_DIA;
969 else if( !strcmp( val.psz_string, "hex" ) )
971 p_sys->param.analyse.i_me_method = X264_ME_HEX;
973 else if( !strcmp( val.psz_string, "umh" ) )
975 p_sys->param.analyse.i_me_method = X264_ME_UMH;
977 else if( !strcmp( val.psz_string, "esa" ) )
979 p_sys->param.analyse.i_me_method = X264_ME_ESA;
981 #if X264_BUILD >= 58 /* r728 */
982 else if( !strcmp( val.psz_string, "tesa" ) )
984 p_sys->param.analyse.i_me_method = X264_ME_TESA;
987 free( val.psz_string );
989 var_Get( p_enc, SOUT_CFG_PREFIX "merange", &val );
990 if( val.i_int >= 0 && val.i_int <= 64 )
991 p_sys->param.analyse.i_me_range = val.i_int;
993 var_Get( p_enc, SOUT_CFG_PREFIX "mvrange", &val );
994 p_sys->param.analyse.i_mv_range = val.i_int;
997 #if X264_BUILD >= 55 /* r607 */
998 var_Get( p_enc, SOUT_CFG_PREFIX "mvrange-thread", &val );
999 p_sys->param.analyse.i_mv_range_thread = val.i_int;
1002 var_Get( p_enc, SOUT_CFG_PREFIX "direct", &val );
1003 if( !strcmp( val.psz_string, "none" ) )
1005 p_sys->param.analyse.i_direct_mv_pred = X264_DIRECT_PRED_NONE;
1007 else if( !strcmp( val.psz_string, "spatial" ) )
1009 p_sys->param.analyse.i_direct_mv_pred = X264_DIRECT_PRED_SPATIAL;
1011 else if( !strcmp( val.psz_string, "temporal" ) )
1013 p_sys->param.analyse.i_direct_mv_pred = X264_DIRECT_PRED_TEMPORAL;
1015 #if X264_BUILD >= 45 /* r457 */
1016 else if( !strcmp( val.psz_string, "auto" ) )
1018 p_sys->param.analyse.i_direct_mv_pred = X264_DIRECT_PRED_AUTO;
1021 free( val.psz_string );
1023 var_Get( p_enc, SOUT_CFG_PREFIX "psnr", &val );
1024 p_sys->param.analyse.b_psnr = val.b_bool;
1026 #if X264_BUILD >= 50 /* r554 */
1027 var_Get( p_enc, SOUT_CFG_PREFIX "ssim", &val );
1028 p_sys->param.analyse.b_ssim = val.b_bool;
1031 #if X264_BUILD >= 0x0012
1032 var_Get( p_enc, SOUT_CFG_PREFIX "weightb", &val );
1033 p_sys->param.analyse.b_weighted_bipred = val.b_bool;
1036 #if X264_BUILD >= 0x0013
1037 var_Get( p_enc, SOUT_CFG_PREFIX "b-adapt", &val );
1038 p_sys->param.b_bframe_adaptive = val.b_bool;
1040 var_Get( p_enc, SOUT_CFG_PREFIX "b-bias", &val );
1041 if( val.i_int >= -100 && val.i_int <= 100 )
1042 p_sys->param.i_bframe_bias = val.i_int;
1045 #if X264_BUILD >= 23
1046 var_Get( p_enc, SOUT_CFG_PREFIX "chroma-me", &val );
1047 p_sys->param.analyse.b_chroma_me = val.b_bool;
1048 var_Get( p_enc, SOUT_CFG_PREFIX "chroma-qp-offset", &val );
1049 p_sys->param.analyse.i_chroma_qp_offset = val.i_int;
1052 #if X264_BUILD >= 36
1053 var_Get( p_enc, SOUT_CFG_PREFIX "mixed-refs", &val );
1054 p_sys->param.analyse.b_mixed_references = val.b_bool;
1057 #if X264_BUILD >= 37
1058 var_Get( p_enc, SOUT_CFG_PREFIX "crf", &val );
1059 if( val.i_int > 0 && val.i_int <= 51 )
1061 #if X264_BUILD >= 54
1062 p_sys->param.rc.f_rf_constant = val.i_int;
1064 p_sys->param.rc.i_rf_constant = val.i_int;
1066 #if X264_BUILD >= 48
1067 p_sys->param.rc.i_rc_method = X264_RC_CRF;
1072 #if X264_BUILD >= 39
1073 var_Get( p_enc, SOUT_CFG_PREFIX "trellis", &val );
1074 if( val.i_int >= 0 && val.i_int <= 2 )
1075 p_sys->param.analyse.i_trellis = val.i_int;
1078 #if X264_BUILD >= 41
1079 var_Get( p_enc, SOUT_CFG_PREFIX "b-rdo", &val );
1080 p_sys->param.analyse.b_bframe_rdo = val.b_bool;
1083 #if X264_BUILD >= 42
1084 var_Get( p_enc, SOUT_CFG_PREFIX "fast-pskip", &val );
1085 p_sys->param.analyse.b_fast_pskip = val.b_bool;
1088 #if X264_BUILD >= 43
1089 var_Get( p_enc, SOUT_CFG_PREFIX "bime", &val );
1090 p_sys->param.analyse.b_bidir_me = val.b_bool;
1093 #if X264_BUILD >= 44
1094 var_Get( p_enc, SOUT_CFG_PREFIX "nr", &val );
1095 if( val.i_int >= 0 && val.i_int <= 1000 )
1096 p_sys->param.analyse.i_noise_reduction = val.i_int;
1099 #if X264_BUILD >= 46
1100 var_Get( p_enc, SOUT_CFG_PREFIX "dct-decimate", &val );
1101 p_sys->param.analyse.b_dct_decimate = val.b_bool;
1104 #if X264_BUILD >= 52
1105 var_Get( p_enc, SOUT_CFG_PREFIX "deadzone-inter", &val );
1106 if( val.i_int >= 0 && val.i_int <= 32 )
1107 p_sys->param.analyse.i_luma_deadzone[0] = val.i_int;
1109 var_Get( p_enc, SOUT_CFG_PREFIX "deadzone-intra", &val );
1110 if( val.i_int >= 0 && val.i_int <= 32 )
1111 p_sys->param.analyse.i_luma_deadzone[1] = val.i_int;
1113 var_Get( p_enc, SOUT_CFG_PREFIX "direct-8x8", &val );
1114 if( val.i_int >= -1 && val.i_int <= 1 )
1115 p_sys->param.analyse.i_direct_8x8_inference = val.i_int;
1118 var_Get( p_enc, SOUT_CFG_PREFIX "asm", &val );
1119 if( !val.b_bool ) p_sys->param.cpu = 0;
1121 #ifndef X264_ANALYSE_BSUB16x16
1122 # define X264_ANALYSE_BSUB16x16 0
1124 var_Get( p_enc, SOUT_CFG_PREFIX "partitions", &val );
1125 if( !strcmp( val.psz_string, "none" ) )
1127 p_sys->param.analyse.inter = 0;
1129 else if( !strcmp( val.psz_string, "fast" ) )
1131 p_sys->param.analyse.inter = X264_ANALYSE_I4x4;
1133 else if( !strcmp( val.psz_string, "normal" ) )
1135 p_sys->param.analyse.inter =
1137 X264_ANALYSE_PSUB16x16;
1138 #ifdef X264_ANALYSE_I8x8
1139 p_sys->param.analyse.inter |= X264_ANALYSE_I8x8;
1142 else if( !strcmp( val.psz_string, "slow" ) )
1144 p_sys->param.analyse.inter =
1146 X264_ANALYSE_PSUB16x16 |
1147 X264_ANALYSE_BSUB16x16;
1148 #ifdef X264_ANALYSE_I8x8
1149 p_sys->param.analyse.inter |= X264_ANALYSE_I8x8;
1152 else if( !strcmp( val.psz_string, "all" ) )
1154 p_sys->param.analyse.inter =
1156 X264_ANALYSE_PSUB16x16 |
1157 X264_ANALYSE_BSUB16x16 |
1158 X264_ANALYSE_PSUB8x8;
1159 #ifdef X264_ANALYSE_I8x8
1160 p_sys->param.analyse.inter |= X264_ANALYSE_I8x8;
1163 free( val.psz_string );
1165 #if X264_BUILD >= 30
1166 var_Get( p_enc, SOUT_CFG_PREFIX "8x8dct", &val );
1167 p_sys->param.analyse.b_transform_8x8 = val.b_bool;
1170 if( p_enc->fmt_in.video.i_aspect > 0 )
1172 int64_t i_num, i_den;
1173 unsigned int i_dst_num, i_dst_den;
1175 i_num = p_enc->fmt_in.video.i_aspect *
1176 (int64_t)p_enc->fmt_in.video.i_height;
1177 i_den = VOUT_ASPECT_FACTOR * p_enc->fmt_in.video.i_width;
1178 vlc_ureduce( &i_dst_num, &i_dst_den, i_num, i_den, 0 );
1180 p_sys->param.vui.i_sar_width = i_dst_num;
1181 p_sys->param.vui.i_sar_height = i_dst_den;
1183 if( p_enc->fmt_in.video.i_frame_rate_base > 0 )
1185 p_sys->param.i_fps_num = p_enc->fmt_in.video.i_frame_rate;
1186 p_sys->param.i_fps_den = p_enc->fmt_in.video.i_frame_rate_base;
1189 unsigned i_cpu = vlc_CPU();
1190 if( !(i_cpu & CPU_CAPABILITY_MMX) )
1192 p_sys->param.cpu &= ~X264_CPU_MMX;
1194 if( !(i_cpu & CPU_CAPABILITY_MMXEXT) )
1196 p_sys->param.cpu &= ~X264_CPU_MMXEXT;
1198 if( !(i_cpu & CPU_CAPABILITY_SSE) )
1200 p_sys->param.cpu &= ~X264_CPU_SSE;
1202 if( !(i_cpu & CPU_CAPABILITY_SSE2) )
1204 p_sys->param.cpu &= ~X264_CPU_SSE2;
1207 /* BUILD 29 adds support for multi-threaded encoding while BUILD 49 (r543)
1208 also adds support for threads = 0 for automatically selecting an optimal
1209 value (cores * 1.5) based on detected CPUs. Default behavior for x264 is
1210 threads = 1, however VLC usage differs and uses threads = 0 (auto) by
1211 default unless ofcourse transcode threads is explicitly specified.. */
1212 #if X264_BUILD >= 29
1213 p_sys->param.i_threads = p_enc->i_threads;
1216 var_Get( p_enc, SOUT_CFG_PREFIX "stats", &val );
1217 if( val.psz_string )
1219 p_sys->param.rc.psz_stat_in =
1220 p_sys->param.rc.psz_stat_out =
1221 p_sys->psz_stat_name = val.psz_string;
1224 var_Get( p_enc, SOUT_CFG_PREFIX "pass", &val );
1225 if( val.i_int > 0 && val.i_int <= 3 )
1227 p_sys->param.rc.b_stat_write = val.i_int & 1;
1228 p_sys->param.rc.b_stat_read = val.i_int & 2;
1231 /* We need to initialize pthreadw32 before we open the encoder,
1232 but only oncce for the whole application. Since pthreadw32
1233 doesn't keep a refcount, do it ourselves. */
1234 #ifdef PTW32_STATIC_LIB
1235 vlc_value_t lock, count;
1237 var_Create( p_enc->p_libvlc, "pthread_win32_mutex", VLC_VAR_MUTEX );
1238 var_Get( p_enc->p_libvlc, "pthread_win32_mutex", &lock );
1239 vlc_mutex_lock( lock.p_address );
1241 var_Create( p_enc->p_libvlc, "pthread_win32_count", VLC_VAR_INTEGER );
1242 var_Get( p_enc->p_libvlc, "pthread_win32_count", &count );
1244 if( count.i_int == 0 )
1246 msg_Dbg( p_enc, "initializing pthread-win32" );
1247 if( !pthread_win32_process_attach_np() || !pthread_win32_thread_attach_np() )
1249 msg_Warn( p_enc, "pthread Win32 Initialization failed" );
1250 vlc_mutex_unlock( lock.p_address );
1251 return VLC_EGENERIC;
1256 var_Set( p_enc->p_libvlc, "pthread_win32_count", count );
1257 vlc_mutex_unlock( lock.p_address );
1261 /* Open the encoder */
1262 p_sys->h = x264_encoder_open( &p_sys->param );
1265 p_sys->i_buffer = 4 * p_enc->fmt_in.video.i_width *
1266 p_enc->fmt_in.video.i_height + 1000;
1267 p_sys->p_buffer = malloc( p_sys->i_buffer );
1269 /* get the globals headers */
1270 p_enc->fmt_out.i_extra = 0;
1271 p_enc->fmt_out.p_extra = NULL;
1273 x264_encoder_headers( p_sys->h, &nal, &i_nal );
1274 for( i = 0; i < i_nal; i++ )
1276 int i_size = p_sys->i_buffer;
1278 x264_nal_encode( p_sys->p_buffer, &i_size, 1, &nal[i] );
1280 p_enc->fmt_out.p_extra = realloc( p_enc->fmt_out.p_extra, p_enc->fmt_out.i_extra + i_size );
1282 memcpy( (uint8_t*)p_enc->fmt_out.p_extra + p_enc->fmt_out.i_extra,
1283 p_sys->p_buffer, i_size );
1285 p_enc->fmt_out.i_extra += i_size;
1291 /****************************************************************************
1293 ****************************************************************************/
1294 static block_t *Encode( encoder_t *p_enc, picture_t *p_pict )
1296 encoder_sys_t *p_sys = p_enc->p_sys;
1300 int i_nal, i_out, i;
1303 memset( &pic, 0, sizeof( x264_picture_t ) );
1304 pic.i_pts = p_pict->date;
1305 pic.img.i_csp = X264_CSP_I420;
1306 pic.img.i_plane = p_pict->i_planes;
1307 for( i = 0; i < p_pict->i_planes; i++ )
1309 pic.img.plane[i] = p_pict->p[i].p_pixels;
1310 pic.img.i_stride[i] = p_pict->p[i].i_pitch;
1313 #if X264_BUILD >= 0x0013
1314 x264_encoder_encode( p_sys->h, &nal, &i_nal, &pic, &pic );
1316 x264_encoder_encode( p_sys->h, &nal, &i_nal, &pic );
1319 if( !i_nal ) return NULL;
1321 for( i = 0, i_out = 0; i < i_nal; i++ )
1323 int i_size = p_sys->i_buffer - i_out;
1324 x264_nal_encode( p_sys->p_buffer + i_out, &i_size, 1, &nal[i] );
1329 p_block = block_New( p_enc, i_out );
1330 memcpy( p_block->p_buffer, p_sys->p_buffer, i_out );
1332 if( pic.i_type == X264_TYPE_IDR || pic.i_type == X264_TYPE_I )
1333 p_block->i_flags |= BLOCK_FLAG_TYPE_I;
1334 else if( pic.i_type == X264_TYPE_P )
1335 p_block->i_flags |= BLOCK_FLAG_TYPE_P;
1336 else if( pic.i_type == X264_TYPE_B )
1337 p_block->i_flags |= BLOCK_FLAG_TYPE_B;
1339 /* This isn't really valid for streams with B-frames */
1340 p_block->i_length = I64C(1000000) *
1341 p_enc->fmt_in.video.i_frame_rate_base /
1342 p_enc->fmt_in.video.i_frame_rate;
1344 p_block->i_pts = pic.i_pts;
1346 if( p_sys->param.i_bframe > 0 )
1348 if( p_block->i_flags & BLOCK_FLAG_TYPE_B )
1350 /* FIXME : this is wrong if bpyramid is set */
1351 p_block->i_dts = p_block->i_pts;
1352 p_sys->i_interpolated_dts = p_block->i_dts;
1356 if( p_sys->i_interpolated_dts )
1358 p_block->i_dts = p_sys->i_interpolated_dts;
1362 /* Let's put something sensible */
1363 p_block->i_dts = p_block->i_pts;
1366 p_sys->i_interpolated_dts += p_block->i_length;
1371 p_block->i_dts = p_block->i_pts;
1377 /*****************************************************************************
1378 * CloseEncoder: x264 encoder destruction
1379 *****************************************************************************/
1380 static void Close( vlc_object_t *p_this )
1382 encoder_t *p_enc = (encoder_t *)p_this;
1383 encoder_sys_t *p_sys = p_enc->p_sys;
1385 free( p_sys->psz_stat_name );
1387 x264_encoder_close( p_sys->h );
1389 #ifdef PTW32_STATIC_LIB
1390 vlc_value_t lock, count;
1392 var_Create( p_enc->p_libvlc, "pthread_win32_mutex", VLC_VAR_MUTEX );
1393 var_Get( p_enc->p_libvlc, "pthread_win32_mutex", &lock );
1394 vlc_mutex_lock( lock.p_address );
1396 var_Create( p_enc->p_libvlc, "pthread_win32_count", VLC_VAR_INTEGER );
1397 var_Get( p_enc->p_libvlc, "pthread_win32_count", &count );
1399 var_Set( p_enc->p_libvlc, "pthread_win32_count", count );
1401 if( count.i_int == 0 )
1403 pthread_win32_thread_detach_np();
1404 pthread_win32_process_detach_np();
1405 msg_Dbg( p_enc, "pthread-win32 deinitialized" );
1407 vlc_mutex_unlock( lock.p_address );
1410 free( p_sys->p_buffer );