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 *****************************************************************************/
30 #include <vlc_codec.h>
34 #define SOUT_CFG_PREFIX "sout-x264-"
36 /*****************************************************************************
38 *****************************************************************************/
39 static int Open ( vlc_object_t * );
40 static void Close( vlc_object_t * );
42 /* Frame-type options */
44 #define KEYINT_TEXT N_("Maximum GOP size")
45 #define KEYINT_LONGTEXT N_( "Sets maximum interval between IDR-frames." \
46 "Larger values save bits, thus improving quality for a given bitrate at " \
47 "the cost of seeking precision." )
49 #define MIN_KEYINT_TEXT N_("Minimum GOP size")
50 #define MIN_KEYINT_LONGTEXT N_( "Sets minimum interval between IDR-frames. " \
51 "In H.264, I-frames do not necessarily bound a closed GOP because it is " \
52 "allowable for a P-frame to be predicted from more frames than just the " \
53 "one frame before it (also see reference frame option). Therefore, " \
54 "I-frames are not necessarily seekable. IDR-frames restrict subsequent " \
55 "P-frames from referring to any frame prior to the IDR-frame. \n" \
56 "If scenecuts appear within this interval, they are still encoded as " \
57 "I-frames, but do not start a new GOP." )
59 #define SCENE_TEXT N_("Extra I-frames aggressivity" )
60 #define SCENE_LONGTEXT N_( "Scene-cut detection. Controls how " \
61 "aggressively to insert extra I-frames. With small values of " \
62 "scenecut, the codec often has " \
63 "to force an I-frame when it would exceed keyint. " \
64 "Good values of scenecut may find a better location for the " \
65 "I-frame. Large values use more I-frames " \
66 "than necessary, thus wasting bits. -1 disables scene-cut detection, so " \
67 "I-frames are inserted only every other keyint frames, which probably " \
68 "leads to ugly encoding artifacts. Range 1 to 100." )
70 #if X264_BUILD >= 55 /* r607 */
71 #define PRESCENE_TEXT N_("Faster, less precise scenecut detection" )
72 #define PRESCENE_LONGTEXT N_( "Faster, less precise scenecut detection. " \
73 "Required and implied by multi-threading." )
76 #define BFRAMES_TEXT N_("B-frames between I and P")
77 #define BFRAMES_LONGTEXT N_( "Number of consecutive B-frames between I and " \
78 "P-frames. Range 1 to 16." )
80 #define B_ADAPT_TEXT N_("Adaptive B-frame decision")
81 #define B_ADAPT_LONGTEXT N_( "Force the specified number of " \
82 "consecutive B-frames to be used, except possibly before an I-frame." )
84 #define B_BIAS_TEXT N_("Influence (bias) B-frames usage")
85 #define B_BIAS_LONGTEXT N_( "Bias the choice to use B-frames. Positive values " \
86 "cause more B-frames, negative values cause less B-frames." )
88 #define BPYRAMID_TEXT N_("Keep some B-frames as references")
89 #define BPYRAMID_LONGTEXT N_( "Allows B-frames to be used as references for " \
90 "predicting other frames. Keeps the middle of 2+ consecutive B-frames " \
91 "as a reference, and reorders frame appropriately." )
93 #define CABAC_TEXT N_("CABAC")
94 #define CABAC_LONGTEXT N_( "CABAC (Context-Adaptive Binary Arithmetic "\
95 "Coding). Slightly slows down encoding and decoding, but should save " \
96 "10 to 15% bitrate." )
98 #define REF_TEXT N_("Number of reference frames")
99 #define REF_LONGTEXT N_( "Number of previous frames used as predictors. " \
100 "This is effective in Anime, but seems to make little difference in " \
101 "live-action source material. Some decoders are unable to deal with " \
102 "large frameref values. Range 1 to 16." )
104 #define NF_TEXT N_("Skip loop filter")
105 #define NF_LONGTEXT N_( "Deactivate the deblocking loop filter (decreases quality).")
107 #define FILTER_TEXT N_("Loop filter AlphaC0 and Beta parameters alpha:beta")
108 #define FILTER_LONGTEXT N_( "Loop filter AlphaC0 and Beta parameters. " \
109 "Range -6 to 6 for both alpha and beta parameters. -6 means light " \
110 "filter, 6 means strong.")
112 #define LEVEL_TEXT N_("H.264 level")
113 #define LEVEL_LONGTEXT N_( "Specify H.264 level (as defined by Annex A " \
114 "of the standard). Levels are not enforced; it's up to the user to select " \
115 "a level compatible with the rest of the encoding options. Range 1 to 5.1 " \
116 "(10 to 51 is also allowed).")
118 /* In order to play an interlaced output stream encoded by x264, a decoder needs
119 mbaff support. r570 is using the 'mb' part and not 'aff' yet; so it's really
120 'pure-interlaced' mode */
121 #if X264_BUILD >= 51 /* r570 */
122 #define INTERLACED_TEXT N_("Interlaced mode")
123 #define INTERLACED_LONGTEXT N_( "Pure-interlaced mode.")
128 #define QP_TEXT N_("Set QP")
129 #define QP_LONGTEXT N_( "This selects the quantizer to use. " \
130 "Lower values result in better fidelity, but higher bitrates. 26 is a " \
131 "good default value. Range 0 (lossless) to 51." )
133 #define CRF_TEXT N_("Quality-based VBR")
134 #define CRF_LONGTEXT N_( "1-pass Quality-based VBR. Range 0 to 51." )
136 #define QPMIN_TEXT N_("Min QP")
137 #define QPMIN_LONGTEXT N_( "Minimum quantizer parameter. 15 to 35 seems to " \
138 "be a useful range." )
140 #define QPMAX_TEXT N_("Max QP")
141 #define QPMAX_LONGTEXT N_( "Maximum quantizer parameter." )
143 #define QPSTEP_TEXT N_("Max QP step")
144 #define QPSTEP_LONGTEXT N_( "Max QP step between frames.")
146 #define RATETOL_TEXT N_("Average bitrate tolerance")
147 #define RATETOL_LONGTEXT N_( "Allowed variance in average " \
148 "bitrate (in kbits/s).")
150 #define VBV_MAXRATE_TEXT N_("Max local bitrate")
151 #define VBV_MAXRATE_LONGTEXT N_( "Sets a maximum local bitrate (in kbits/s).")
153 #define VBV_BUFSIZE_TEXT N_("VBV buffer")
154 #define VBV_BUFSIZE_LONGTEXT N_( "Averaging period for the maximum " \
155 "local bitrate (in kbits).")
157 #define VBV_INIT_TEXT N_("Initial VBV buffer occupancy")
158 #define VBV_INIT_LONGTEXT N_( "Sets the initial buffer occupancy as a " \
159 "fraction of the buffer size. Range 0.0 to 1.0.")
161 /* IP Ratio < 1 is technically valid but should never improve quality */
162 #define IPRATIO_TEXT N_("QP factor between I and P")
163 #define IPRATIO_LONGTEXT N_( "QP factor between I and P. Range 1.0 to 2.0.")
165 /* PB ratio < 1 is not valid and breaks ratecontrol */
166 #define PBRATIO_TEXT N_("QP factor between P and B")
167 #define PBRATIO_LONGTEXT N_( "QP factor between P and B. Range 1.0 to 2.0.")
169 #define CHROMA_QP_OFFSET_TEXT N_("QP difference between chroma and luma")
170 #define CHROMA_QP_OFFSET_LONGTEXT N_( "QP difference between chroma and luma.")
172 #define PASS_TEXT N_("Multipass ratecontrol")
173 #define PASS_LONGTEXT N_( "Multipass ratecontrol:\n" \
174 " - 1: First pass, creates stats file\n" \
175 " - 2: Last pass, does not overwrite stats file\n" \
176 " - 3: Nth pass, overwrites stats file\n" )
178 #define QCOMP_TEXT N_("QP curve compression")
179 #define QCOMP_LONGTEXT N_( "QP curve compression. Range 0.0 (CBR) to 1.0 (QCP).")
181 #define CPLXBLUR_TEXT N_("Reduce fluctuations in QP")
182 #define CPLXBLUR_LONGTEXT N_( "This reduces the fluctuations in QP " \
183 "before curve compression. Temporally blurs complexity.")
185 #define QBLUR_TEXT N_("Reduce fluctuations in QP")
186 #define QBLUR_LONGTEXT N_( "This reduces the fluctations in QP " \
187 "after curve compression. Temporally blurs quants.")
191 #define ANALYSE_TEXT N_("Partitions to consider")
192 #define ANALYSE_LONGTEXT N_( "Partitions to consider in analyse mode: \n" \
195 " - normal: i4x4,p8x8,(i8x8)\n" \
196 " - slow : i4x4,p8x8,(i8x8),b8x8\n" \
197 " - all : i4x4,p8x8,(i8x8),b8x8,p4x4\n" \
198 "(p4x4 requires p8x8. i8x8 requires 8x8dct).")
200 #define DIRECT_PRED_TEXT N_("Direct MV prediction mode")
201 #define DIRECT_PRED_LONGTEXT N_( "Direct MV prediction mode.")
203 #if X264_BUILD >= 52 /* r573 */
204 #define DIRECT_PRED_SIZE_TEXT N_("Direct prediction size")
205 #define DIRECT_PRED_SIZE_LONGTEXT N_( "Direct prediction size: "\
208 " - -1: smallest possible according to level\n" )
211 #define WEIGHTB_TEXT N_("Weighted prediction for B-frames")
212 #define WEIGHTB_LONGTEXT N_( "Weighted prediction for B-frames.")
214 #define ME_TEXT N_("Integer pixel motion estimation method")
215 #define ME_LONGTEXT N_( "Selects the motion estimation algorithm: "\
216 " - dia: diamond search, radius 1 (fast)\n" \
217 " - hex: hexagonal search, radius 2\n" \
218 " - umh: uneven multi-hexagon search (better but slower)\n" \
219 " - esa: exhaustive search (extremely slow, primarily for testing)\n" )
222 #define MERANGE_TEXT N_("Maximum motion vector search range")
223 #define MERANGE_LONGTEXT N_( "Maximum distance to search for " \
224 "motion estimation, measured from predicted position(s). " \
225 "Default of 16 is good for most footage, high motion sequences may " \
226 "benefit from settings between 24 and 32. Range 0 to 64." )
228 #define MVRANGE_TEXT N_("Maximum motion vector length")
229 #define MVRANGE_LONGTEXT N_( "Maximum motion vector length in pixels. " \
230 "-1 is automatic, based on level." )
233 #if X264_BUILD >= 55 /* r607 */
234 #define MVRANGE_THREAD_TEXT N_("Minimum buffer space between threads")
235 #define MVRANGE_THREAD_LONGTEXT N_( "Minimum buffer space between threads. " \
236 "-1 is automatic, based on number of threads." )
239 #define SUBME_TEXT N_("Subpixel motion estimation and partition decision " \
241 #if X264_BUILD >= 46 /* r477 */
243 #define SUBME_LONGTEXT N_( "This parameter controls quality versus speed " \
244 "tradeoffs involved in the motion estimation decision process " \
245 "(lower = quicker and higher = better quality). Range 1 to 7." )
246 #elif X264_BUILD >= 30 /* r262 */
248 #define SUBME_LONGTEXT N_( "This parameter controls quality versus speed " \
249 "tradeoffs involved in the motion estimation decision process " \
250 "(lower = quicker and higher = better quality). Range 1 to 6." )
253 #define SUBME_LONGTEXT N_( "This parameter controls quality versus speed " \
254 "tradeoffs involved in the motion estimation decision process " \
255 "(lower = quicker and higher = better quality). Range 1 to 5." )
258 #define B_RDO_TEXT N_("RD based mode decision for B-frames")
259 #define B_RDO_LONGTEXT N_( "RD based mode decision for B-frames. This " \
260 "requires subme 6 (or higher).")
262 #define MIXED_REFS_TEXT N_("Decide references on a per partition basis")
263 #define MIXED_REFS_LONGTEXT N_( "Allows each 8x8 or 16x8 partition to " \
264 "independently select a reference frame, as opposed to only one ref " \
267 #define CHROMA_ME_TEXT N_("Chroma in motion estimation")
268 #define CHROMA_ME_LONGTEXT N_( "Chroma ME for subpel and mode decision in " \
271 #define BIME_TEXT N_("Jointly optimize both MVs in B-frames")
272 #define BIME_LONGTEXT N_( "Joint bidirectional motion refinement.")
274 #define TRANSFORM_8X8DCT_TEXT N_("Adaptive spatial transform size")
275 #define TRANSFORM_8X8DCT_LONGTEXT N_( \
276 "SATD-based decision for 8x8 transform in inter-MBs.")
278 #define TRELLIS_TEXT N_("Trellis RD quantization" )
279 #define TRELLIS_LONGTEXT N_( "Trellis RD quantization: \n" \
281 " - 1: enabled only on the final encode of a MB\n" \
282 " - 2: enabled on all mode decisions\n" \
283 "This requires CABAC." )
285 #define FAST_PSKIP_TEXT N_("Early SKIP detection on P-frames")
286 #define FAST_PSKIP_LONGTEXT N_( "Early SKIP detection on P-frames.")
288 #define DCT_DECIMATE_TEXT N_("Coefficient thresholding on P-frames")
289 #define DCT_DECIMATE_LONGTEXT N_( "Coefficient thresholding on P-frames." \
290 "Eliminate dct blocks containing only a small single coefficient.")
292 /* Noise reduction 1 is too weak to measure, suggest at least 10 */
293 #define NR_TEXT N_("Noise reduction")
294 #define NR_LONGTEXT N_( "Dct-domain noise reduction. Adaptive pseudo-deadzone. " \
295 "10 to 1000 seems to be a useful range." )
297 #if X264_BUILD >= 52 /* r573 */
298 #define DEADZONE_INTER_TEXT N_("Inter luma quantization deadzone")
299 #define DEADZONE_INTER_LONGTEXT N_( "Set the size of the inter luma quantization deadzone. " \
302 #define DEADZONE_INTRA_TEXT N_("Intra luma quantization deadzone")
303 #define DEADZONE_INTRA_LONGTEXT N_( "Set the size of the intra luma quantization deadzone. " \
309 #if X264_BUILD >= 55 /* r607 */
310 #define NON_DETERMINISTIC_TEXT N_("Non-deterministic optimizations when threaded")
311 #define NON_DETERMINISTIC_LONGTEXT N_( "Slightly improve quality of SMP, " \
312 "at the cost of repeatability.")
315 #define ASM_TEXT N_("CPU optimizations")
316 #define ASM_LONGTEXT N_( "Use assembler CPU optimizations.")
318 #define STATS_TEXT N_("Filename for 2 pass stats file")
319 #define STATS_LONGTEXT N_( "Filename for 2 pass stats file for multi-pass encoding.")
321 #define PSNR_TEXT N_("PSNR computation")
322 #define PSNR_LONGTEXT N_( "Compute and print PSNR stats. This has no effect on " \
323 "the actual encoding quality." )
325 #define SSIM_TEXT N_("SSIM computation")
326 #define SSIM_LONGTEXT N_( "Compute and print SSIM stats. This has no effect on " \
327 "the actual encoding quality." )
329 #define QUIET_TEXT N_("Quiet mode")
330 #define QUIET_LONGTEXT N_( "Quiet mode.")
332 #define VERBOSE_TEXT N_("Statistics")
333 #define VERBOSE_LONGTEXT N_( "Print stats for each frame.")
335 #if X264_BUILD >= 47 /* r518 */
336 #define SPS_ID_TEXT N_("SPS and PPS id numbers")
337 #define SPS_ID_LONGTEXT N_( "Set SPS and PPS id numbers to allow concatenating " \
338 "streams with different settings.")
341 #define AUD_TEXT N_("Access unit delimiters")
342 #define AUD_LONGTEXT N_( "Generate access unit delimiter NAL units.")
345 static const char *enc_me_list[] =
346 { "dia", "hex", "umh", "esa" };
347 static const char *enc_me_list_text[] =
348 { N_("dia"), N_("hex"), N_("umh"), N_("esa") };
351 static const char *enc_analyse_list[] =
352 { "none", "fast", "normal", "slow", "all" };
353 static const char *enc_analyse_list_text[] =
354 { N_("none"), N_("fast"), N_("normal"), N_("slow"), N_("all") };
356 #if X264_BUILD >= 45 /* r457 */
357 static const char *direct_pred_list[] =
358 { "none", "spatial", "temporal", "auto" };
359 static const char *direct_pred_list_text[] =
360 { N_("none"), N_("spatial"), N_("temporal"), N_("auto") };
362 static const char *direct_pred_list[] =
363 { "none", "spatial", "temporal" };
364 static const char *direct_pred_list_text[] =
365 { N_("none"), N_("spatial"), N_("temporal") };
369 set_description( _("H.264/MPEG4 AVC encoder (using x264 library)"));
370 set_capability( "encoder", 200 );
371 set_callbacks( Open, Close );
372 set_category( CAT_INPUT );
373 set_subcategory( SUBCAT_INPUT_VCODEC );
375 /* Frame-type options */
377 add_integer( SOUT_CFG_PREFIX "keyint", 250, NULL, KEYINT_TEXT,
378 KEYINT_LONGTEXT, VLC_FALSE );
380 add_integer( SOUT_CFG_PREFIX "min-keyint", 25, NULL, MIN_KEYINT_TEXT,
381 MIN_KEYINT_LONGTEXT, VLC_FALSE );
382 add_deprecated_alias( SOUT_CFG_PREFIX "keyint-min" ); /* Deprecated since 0.8.5 */
384 add_integer( SOUT_CFG_PREFIX "scenecut", 40, NULL, SCENE_TEXT,
385 SCENE_LONGTEXT, VLC_FALSE );
386 change_integer_range( -1, 100 );
388 #if X264_BUILD >= 55 /* r607 */
389 add_bool( SOUT_CFG_PREFIX "pre-scenecut", 0, NULL, PRESCENE_TEXT,
390 PRESCENE_LONGTEXT, VLC_FALSE );
393 add_integer( SOUT_CFG_PREFIX "bframes", 0, NULL, BFRAMES_TEXT,
394 BFRAMES_LONGTEXT, VLC_FALSE );
395 change_integer_range( 0, 16 );
397 #if X264_BUILD >= 0x0013 /* r137 */
398 add_bool( SOUT_CFG_PREFIX "b-adapt", 1, NULL, B_ADAPT_TEXT,
399 B_ADAPT_LONGTEXT, VLC_FALSE );
401 add_integer( SOUT_CFG_PREFIX "b-bias", 0, NULL, B_BIAS_TEXT,
402 B_BIAS_LONGTEXT, VLC_FALSE );
403 change_integer_range( -100, 100 );
406 add_bool( SOUT_CFG_PREFIX "bpyramid", 0, NULL, BPYRAMID_TEXT,
407 BPYRAMID_LONGTEXT, VLC_FALSE );
409 add_bool( SOUT_CFG_PREFIX "cabac", 1, NULL, CABAC_TEXT, CABAC_LONGTEXT,
412 add_integer( SOUT_CFG_PREFIX "ref", 1, NULL, REF_TEXT,
413 REF_LONGTEXT, VLC_FALSE );
414 change_integer_range( 1, 16 );
415 add_deprecated_alias( SOUT_CFG_PREFIX "frameref" ); /* Deprecated since 0.8.5 */
417 add_bool( SOUT_CFG_PREFIX "nf", 0, NULL, NF_TEXT,
418 NF_LONGTEXT, VLC_FALSE );
419 add_deprecated_alias( SOUT_CFG_PREFIX "loopfilter" ); /* Deprecated since 0.8.5 */
421 add_string( SOUT_CFG_PREFIX "deblock", "0:0", NULL, FILTER_TEXT,
422 FILTER_LONGTEXT, VLC_FALSE );
423 add_deprecated_alias( SOUT_CFG_PREFIX "filter" ); /* Deprecated since 0.8.6 */
425 add_string( SOUT_CFG_PREFIX "level", "5.1", NULL, LEVEL_TEXT,
426 LEVEL_LONGTEXT, VLC_FALSE );
428 #if X264_BUILD >= 51 /* r570 */
429 add_bool( SOUT_CFG_PREFIX "interlaced", 0, NULL, INTERLACED_TEXT, INTERLACED_LONGTEXT,
435 add_integer( SOUT_CFG_PREFIX "qp", 26, NULL, QP_TEXT, QP_LONGTEXT,
437 change_integer_range( 0, 51 ); /* QP 0 -> lossless encoding */
439 #if X264_BUILD >= 37 /* r334 */
440 add_integer( SOUT_CFG_PREFIX "crf", 0, NULL, CRF_TEXT,
441 CRF_LONGTEXT, VLC_FALSE );
442 change_integer_range( 0, 51 );
445 add_integer( SOUT_CFG_PREFIX "qpmin", 10, NULL, QPMIN_TEXT,
446 QPMIN_LONGTEXT, VLC_FALSE );
447 change_integer_range( 0, 51 );
448 add_deprecated_alias( SOUT_CFG_PREFIX "qp-min" ); /* Deprecated since 0.8.5 */
450 add_integer( SOUT_CFG_PREFIX "qpmax", 51, NULL, QPMAX_TEXT,
451 QPMAX_LONGTEXT, VLC_FALSE );
452 change_integer_range( 0, 51 );
453 add_deprecated_alias( SOUT_CFG_PREFIX "qp-max" ); /* Deprecated since 0.8.5 */
455 add_integer( SOUT_CFG_PREFIX "qpstep", 4, NULL, QPSTEP_TEXT,
456 QPSTEP_LONGTEXT, VLC_FALSE );
457 change_integer_range( 0, 51 );
459 add_float( SOUT_CFG_PREFIX "ratetol", 1.0, NULL, RATETOL_TEXT,
460 RATETOL_LONGTEXT, VLC_FALSE );
461 change_float_range( 0, 100 );
462 add_deprecated_alias( SOUT_CFG_PREFIX "tolerance" ); /* Deprecated since 0.8.5 */
464 add_integer( SOUT_CFG_PREFIX "vbv-maxrate", 0, NULL, VBV_MAXRATE_TEXT,
465 VBV_MAXRATE_LONGTEXT, VLC_FALSE );
467 add_integer( SOUT_CFG_PREFIX "vbv-bufsize", 0, NULL, VBV_BUFSIZE_TEXT,
468 VBV_BUFSIZE_LONGTEXT, VLC_FALSE );
470 add_float( SOUT_CFG_PREFIX "vbv-init", 0.9, NULL, VBV_INIT_TEXT,
471 VBV_INIT_LONGTEXT, VLC_FALSE );
472 change_float_range( 0, 1 );
474 add_float( SOUT_CFG_PREFIX "ipratio", 1.40, NULL, IPRATIO_TEXT,
475 IPRATIO_LONGTEXT, VLC_FALSE );
476 change_float_range( 1, 2 );
478 add_float( SOUT_CFG_PREFIX "pbratio", 1.30, NULL, PBRATIO_TEXT,
479 PBRATIO_LONGTEXT, VLC_FALSE );
480 change_float_range( 1, 2 );
482 #if X264_BUILD >= 23 /* r190 */
483 add_integer( SOUT_CFG_PREFIX "chroma-qp-offset", 0, NULL, CHROMA_QP_OFFSET_TEXT,
484 CHROMA_QP_OFFSET_LONGTEXT, VLC_FALSE );
487 add_integer( SOUT_CFG_PREFIX "pass", 0, NULL, PASS_TEXT,
488 PASS_LONGTEXT, VLC_FALSE );
489 change_integer_range( 0, 3 );
491 add_float( SOUT_CFG_PREFIX "qcomp", 0.60, NULL, QCOMP_TEXT,
492 QCOMP_LONGTEXT, VLC_FALSE );
493 change_float_range( 0, 1 );
495 add_float( SOUT_CFG_PREFIX "cplxblur", 20.0, NULL, CPLXBLUR_TEXT,
496 CPLXBLUR_LONGTEXT, VLC_FALSE );
498 add_float( SOUT_CFG_PREFIX "qblur", 0.5, NULL, QBLUR_TEXT,
499 QBLUR_LONGTEXT, VLC_FALSE );
503 /* x264 partitions = none (default). set at least "normal" mode. */
504 add_string( SOUT_CFG_PREFIX "partitions", "normal", NULL, ANALYSE_TEXT,
505 ANALYSE_LONGTEXT, VLC_FALSE );
506 change_string_list( enc_analyse_list, enc_analyse_list_text, 0 );
507 add_deprecated_alias( SOUT_CFG_PREFIX "analyse" ); /* Deprecated since 0.8.6 */
509 add_string( SOUT_CFG_PREFIX "direct", "spatial", NULL, DIRECT_PRED_TEXT,
510 DIRECT_PRED_LONGTEXT, VLC_FALSE );
511 change_string_list( direct_pred_list, direct_pred_list_text, 0 );
513 #if X264_BUILD >= 52 /* r573 */
514 add_integer( SOUT_CFG_PREFIX "direct-8x8", 0, NULL, DIRECT_PRED_SIZE_TEXT,
515 DIRECT_PRED_SIZE_LONGTEXT, VLC_FALSE );
516 change_integer_range( -1, 1 );
519 #if X264_BUILD >= 0x0012 /* r134 */
520 add_bool( SOUT_CFG_PREFIX "weightb", 0, NULL, WEIGHTB_TEXT,
521 WEIGHTB_LONGTEXT, VLC_FALSE );
524 #if X264_BUILD >= 24 /* r221 */
525 add_string( SOUT_CFG_PREFIX "me", "hex", NULL, ME_TEXT,
526 ME_LONGTEXT, VLC_FALSE );
527 change_string_list( enc_me_list, enc_me_list_text, 0 );
529 add_integer( SOUT_CFG_PREFIX "merange", 16, NULL, MERANGE_TEXT,
530 MERANGE_LONGTEXT, VLC_FALSE );
531 change_integer_range( 1, 64 );
534 add_integer( SOUT_CFG_PREFIX "mvrange", -1, NULL, MVRANGE_TEXT,
535 MVRANGE_LONGTEXT, VLC_FALSE );
537 #if X264_BUILD >= 55 /* r607 */
538 add_integer( SOUT_CFG_PREFIX "mvrange-thread", -1, NULL, MVRANGE_THREAD_TEXT,
539 MVRANGE_THREAD_LONGTEXT, VLC_FALSE );
542 add_integer( SOUT_CFG_PREFIX "subme", 5, NULL, SUBME_TEXT,
543 SUBME_LONGTEXT, VLC_FALSE );
544 change_integer_range( 1, SUBME_MAX );
545 add_deprecated_alias( SOUT_CFG_PREFIX "subpel" ); /* Deprecated since 0.8.5 */
547 #if X264_BUILD >= 41 /* r368 */
548 add_bool( SOUT_CFG_PREFIX "b-rdo", 0, NULL, B_RDO_TEXT,
549 B_RDO_LONGTEXT, VLC_FALSE );
552 #if X264_BUILD >= 36 /* r318 */
553 add_bool( SOUT_CFG_PREFIX "mixed-refs", 0, NULL, MIXED_REFS_TEXT,
554 MIXED_REFS_LONGTEXT, VLC_FALSE );
557 #if X264_BUILD >= 23 /* r171 */
558 add_bool( SOUT_CFG_PREFIX "chroma-me", 1, NULL, CHROMA_ME_TEXT,
559 CHROMA_ME_LONGTEXT, VLC_FALSE );
562 #if X264_BUILD >= 43 /* r390 */
563 add_bool( SOUT_CFG_PREFIX "bime", 0, NULL, BIME_TEXT,
564 BIME_LONGTEXT, VLC_FALSE );
567 #if X264_BUILD >= 30 /* r251 */
568 add_bool( SOUT_CFG_PREFIX "8x8dct", 0, NULL, TRANSFORM_8X8DCT_TEXT,
569 TRANSFORM_8X8DCT_LONGTEXT, VLC_FALSE );
572 #if X264_BUILD >= 39 /* r360 */
573 add_integer( SOUT_CFG_PREFIX "trellis", 0, NULL, TRELLIS_TEXT,
574 TRELLIS_LONGTEXT, VLC_FALSE );
575 change_integer_range( 0, 2 );
578 #if X264_BUILD >= 42 /* r384 */
579 add_bool( SOUT_CFG_PREFIX "fast-pskip", 1, NULL, FAST_PSKIP_TEXT,
580 FAST_PSKIP_LONGTEXT, VLC_FALSE );
583 #if X264_BUILD >= 46 /* r503 */
584 add_bool( SOUT_CFG_PREFIX "dct-decimate", 1, NULL, DCT_DECIMATE_TEXT,
585 DCT_DECIMATE_LONGTEXT, VLC_FALSE );
588 #if X264_BUILD >= 44 /* r398 */
589 add_integer( SOUT_CFG_PREFIX "nr", 0, NULL, NR_TEXT,
590 NR_LONGTEXT, VLC_FALSE );
591 change_integer_range( 0, 1000 );
594 #if X264_BUILD >= 52 /* r573 */
595 add_integer( SOUT_CFG_PREFIX "deadzone-inter", 21, NULL, DEADZONE_INTER_TEXT,
596 DEADZONE_INTRA_LONGTEXT, VLC_FALSE );
597 change_integer_range( 0, 32 );
599 add_integer( SOUT_CFG_PREFIX "deadzone-intra", 11, NULL, DEADZONE_INTRA_TEXT,
600 DEADZONE_INTRA_LONGTEXT, VLC_FALSE );
601 change_integer_range( 0, 32 );
606 #if X264_BUILD >= 55 /* r607 */
607 add_bool( SOUT_CFG_PREFIX "non-deterministic", 0, NULL, NON_DETERMINISTIC_TEXT,
608 NON_DETERMINISTIC_LONGTEXT, VLC_FALSE );
611 add_bool( SOUT_CFG_PREFIX "asm", 1, NULL, ASM_TEXT,
612 ASM_LONGTEXT, VLC_FALSE );
614 /* x264 psnr = 1 (default). disable PSNR computation for speed. */
615 add_bool( SOUT_CFG_PREFIX "psnr", 0, NULL, PSNR_TEXT,
616 PSNR_LONGTEXT, VLC_FALSE );
618 #if X264_BUILD >= 50 /* r554 */
619 /* x264 ssim = 1 (default). disable SSIM computation for speed. */
620 add_bool( SOUT_CFG_PREFIX "ssim", 0, NULL, SSIM_TEXT,
621 SSIM_LONGTEXT, VLC_FALSE );
624 add_bool( SOUT_CFG_PREFIX "quiet", 0, NULL, QUIET_TEXT,
625 QUIET_LONGTEXT, VLC_FALSE );
627 #if X264_BUILD >= 47 /* r518 */
628 add_integer( SOUT_CFG_PREFIX "sps-id", 0, NULL, SPS_ID_TEXT,
629 SPS_ID_LONGTEXT, VLC_FALSE );
632 add_bool( SOUT_CFG_PREFIX "aud", 0, NULL, AUD_TEXT,
633 AUD_LONGTEXT, VLC_FALSE );
635 #if X264_BUILD >= 0x000e /* r81 */
636 add_bool( SOUT_CFG_PREFIX "verbose", 0, NULL, VERBOSE_TEXT,
637 VERBOSE_LONGTEXT, VLC_FALSE );
640 add_string( SOUT_CFG_PREFIX "stats", "x264_2pass.log", NULL, STATS_TEXT,
641 STATS_LONGTEXT, VLC_FALSE );
645 /*****************************************************************************
647 *****************************************************************************/
648 static const char *ppsz_sout_options[] = {
649 "8x8dct", "analyse", "asm", "aud", "bframes", "bime", "bpyramid",
650 "b-adapt", "b-bias", "b-rdo", "cabac", "chroma-me", "chroma-qp-offset",
651 "cplxblur", "crf", "dct-decimate", "deadzone-inter", "deadzone-intra",
652 "deblock", "direct", "direct-8x8", "filter", "fast-pskip", "frameref",
653 "interlaced", "ipratio", "keyint", "keyint-min", "level", "loopfilter",
654 "me", "merange", "min-keyint", "mixed-refs", "mvrange", "mvrange-thread",
655 "nf", "non-deterministic", "nr", "partitions", "pass", "pbratio",
656 "pre-scenecut", "psnr", "qblur", "qp", "qcomp", "qpstep", "qpmax",
657 "qpmin", "qp-max", "qp-min", "quiet", "ratetol", "ref", "scenecut",
658 "sps-id", "ssim", "stats", "subme", "subpel", "tolerance", "trellis",
659 "verbose", "vbv-bufsize", "vbv-init", "vbv-maxrate", "weightb", NULL
662 static block_t *Encode( encoder_t *, picture_t * );
672 mtime_t i_last_ref_pts;
677 /*****************************************************************************
678 * Open: probe the encoder
679 *****************************************************************************/
680 static int Open ( vlc_object_t *p_this )
682 encoder_t *p_enc = (encoder_t *)p_this;
683 encoder_sys_t *p_sys;
685 int i_qmin = 0, i_qmax = 0;
689 if( p_enc->fmt_out.i_codec != VLC_FOURCC( 'h', '2', '6', '4' ) &&
696 if( p_enc->fmt_in.video.i_width % 16 != 0 ||
697 p_enc->fmt_in.video.i_height % 16 != 0 )
699 msg_Warn( p_enc, "size is not a multiple of 16 (%ix%i)",
700 p_enc->fmt_in.video.i_width, p_enc->fmt_in.video.i_height );
702 if( p_enc->fmt_in.video.i_width < 16 ||
703 p_enc->fmt_in.video.i_height < 16 )
705 msg_Err( p_enc, "video is too small to be cropped" );
709 msg_Warn( p_enc, "cropping video to %ix%i",
710 p_enc->fmt_in.video.i_width >> 4 << 4,
711 p_enc->fmt_in.video.i_height >> 4 << 4 );
715 config_ChainParse( p_enc, SOUT_CFG_PREFIX, ppsz_sout_options, p_enc->p_cfg );
717 p_enc->fmt_out.i_codec = VLC_FOURCC( 'h', '2', '6', '4' );
718 p_enc->fmt_in.i_codec = VLC_FOURCC('I','4','2','0');
720 p_enc->pf_encode_video = Encode;
721 p_enc->pf_encode_audio = NULL;
722 p_enc->p_sys = p_sys = malloc( sizeof( encoder_sys_t ) );
723 p_sys->i_last_ref_pts = 0;
724 p_sys->psz_stat_name = NULL;
726 x264_param_default( &p_sys->param );
727 p_sys->param.i_width = p_enc->fmt_in.video.i_width;
728 p_sys->param.i_height = p_enc->fmt_in.video.i_height;
730 p_sys->param.i_width = p_sys->param.i_width >> 4 << 4;
731 p_sys->param.i_height = p_sys->param.i_height >> 4 << 4;
734 /* average bitrate specified by transcode vb */
735 p_sys->param.rc.i_bitrate = p_enc->fmt_out.i_bitrate / 1000;
738 /* cbr = 1 overrides qp or crf and sets an average bitrate
739 but maxrate = average bitrate is needed for "real" CBR */
740 if( p_sys->param.rc.i_bitrate > 0 ) p_sys->param.rc.b_cbr = 1;
742 if( p_sys->param.rc.i_bitrate > 0 ) p_sys->param.rc.i_rc_method = X264_RC_ABR;
745 var_Get( p_enc, SOUT_CFG_PREFIX "qpstep", &val );
746 if( val.i_int >= 0 && val.i_int <= 51 ) p_sys->param.rc.i_qp_step = val.i_int;
747 var_Get( p_enc, SOUT_CFG_PREFIX "qpmin", &val );
748 if( val.i_int >= 0 && val.i_int <= 51 ) i_qmin = val.i_int;
749 var_Get( p_enc, SOUT_CFG_PREFIX "qpmax", &val );
750 if( val.i_int >= 0 && val.i_int <= 51 ) i_qmax = val.i_int;
752 var_Get( p_enc, SOUT_CFG_PREFIX "qp", &val );
753 if( val.i_int >= 0 && val.i_int <= 51 )
755 if( i_qmin > val.i_int ) i_qmin = val.i_int;
756 if( i_qmax < val.i_int ) i_qmax = val.i_int;
758 #if X264_BUILD >= 0x000a
759 p_sys->param.rc.i_qp_constant = val.i_int;
760 p_sys->param.rc.i_qp_min = i_qmin;
761 p_sys->param.rc.i_qp_max = i_qmax;
763 p_sys->param.i_qp_constant = val.i_int;
768 var_Get( p_enc, SOUT_CFG_PREFIX "ratetol", &val );
769 p_sys->param.rc.f_rate_tolerance = val.f_float;
771 var_Get( p_enc, SOUT_CFG_PREFIX "vbv-init", &val );
772 p_sys->param.rc.f_vbv_buffer_init = val.f_float;
774 var_Get( p_enc, SOUT_CFG_PREFIX "vbv-bufsize", &val );
775 p_sys->param.rc.i_vbv_buffer_size = val.i_int;
777 /* x264 vbv-bufsize = 0 (default). if not provided set period
778 in seconds for local maximum bitrate (cache/bufsize) based
779 on average bitrate. */
781 p_sys->param.rc.i_vbv_buffer_size = p_sys->param.rc.i_bitrate * 2;
783 /* max bitrate = average bitrate -> CBR */
784 var_Get( p_enc, SOUT_CFG_PREFIX "vbv-maxrate", &val );
785 p_sys->param.rc.i_vbv_max_bitrate = val.i_int;
788 p_sys->param.rc.i_rc_buffer_size = p_sys->param.rc.i_bitrate;
789 p_sys->param.rc.i_rc_init_buffer = p_sys->param.rc.i_bitrate / 4;
792 var_Get( p_enc, SOUT_CFG_PREFIX "cabac", &val );
793 p_sys->param.b_cabac = val.b_bool;
795 /* disable deblocking when nf (no loop filter) is enabled */
796 var_Get( p_enc, SOUT_CFG_PREFIX "nf", &val );
797 p_sys->param.b_deblocking_filter = !val.b_bool;
799 var_Get( p_enc, SOUT_CFG_PREFIX "deblock", &val );
802 char *p = strchr( val.psz_string, ':' );
803 p_sys->param.i_deblocking_filter_alphac0 = atoi( val.psz_string );
804 p_sys->param.i_deblocking_filter_beta = p ? atoi( p+1 ) : p_sys->param.i_deblocking_filter_alphac0;
805 free( val.psz_string );
808 var_Get( p_enc, SOUT_CFG_PREFIX "level", &val );
811 if( atof (val.psz_string) < 6 )
812 p_sys->param.i_level_idc = (int) ( 10 * atof (val.psz_string) + .5);
814 p_sys->param.i_level_idc = atoi (val.psz_string);
815 free( val.psz_string );
818 #if X264_BUILD >= 51 /* r570 */
819 var_Get( p_enc, SOUT_CFG_PREFIX "interlaced", &val );
820 p_sys->param.b_interlaced = val.b_bool;
823 var_Get( p_enc, SOUT_CFG_PREFIX "ipratio", &val );
824 p_sys->param.rc.f_ip_factor = val.f_float;
826 var_Get( p_enc, SOUT_CFG_PREFIX "pbratio", &val );
827 p_sys->param.rc.f_pb_factor = val.f_float;
829 var_Get( p_enc, SOUT_CFG_PREFIX "qcomp", &val );
830 p_sys->param.rc.f_qcompress = val.f_float;
832 var_Get( p_enc, SOUT_CFG_PREFIX "cplxblur", &val );
833 p_sys->param.rc.f_complexity_blur = val.f_float;
835 var_Get( p_enc, SOUT_CFG_PREFIX "qblur", &val );
836 p_sys->param.rc.f_qblur = val.f_float;
838 #if X264_BUILD >= 0x000e
839 var_Get( p_enc, SOUT_CFG_PREFIX "verbose", &val );
840 if( val.b_bool ) p_sys->param.i_log_level = X264_LOG_DEBUG;
843 var_Get( p_enc, SOUT_CFG_PREFIX "quiet", &val );
844 if( val.b_bool ) p_sys->param.i_log_level = X264_LOG_NONE;
846 #if X264_BUILD >= 47 /* r518 */
847 var_Get( p_enc, SOUT_CFG_PREFIX "sps-id", &val );
848 if( val.i_int >= 0 ) p_sys->param.i_sps_id = val.i_int;
851 var_Get( p_enc, SOUT_CFG_PREFIX "aud", &val );
852 if( val.b_bool ) p_sys->param.b_aud = val.b_bool;
854 var_Get( p_enc, SOUT_CFG_PREFIX "keyint", &val );
855 #if X264_BUILD >= 0x000e
856 if( val.i_int > 0 ) p_sys->param.i_keyint_max = val.i_int;
858 if( val.i_int > 0 ) p_sys->param.i_iframe = val.i_int;
861 var_Get( p_enc, SOUT_CFG_PREFIX "min-keyint", &val );
862 #if X264_BUILD >= 0x000e
863 if( val.i_int > 0 ) p_sys->param.i_keyint_min = val.i_int;
865 if( val.i_int > 0 ) p_sys->param.i_idrframe = val.i_int;
868 var_Get( p_enc, SOUT_CFG_PREFIX "bframes", &val );
869 if( val.i_int >= 0 && val.i_int <= 16 )
870 p_sys->param.i_bframe = val.i_int;
873 var_Get( p_enc, SOUT_CFG_PREFIX "bpyramid", &val );
874 p_sys->param.b_bframe_pyramid = val.b_bool;
877 var_Get( p_enc, SOUT_CFG_PREFIX "ref", &val );
878 if( val.i_int > 0 && val.i_int <= 15 )
879 p_sys->param.i_frame_reference = val.i_int;
881 var_Get( p_enc, SOUT_CFG_PREFIX "scenecut", &val );
882 #if X264_BUILD >= 0x000b
883 if( val.i_int >= -1 && val.i_int <= 100 )
884 p_sys->param.i_scenecut_threshold = val.i_int;
887 #if X264_BUILD >= 55 /* r607 */
888 var_Get( p_enc, SOUT_CFG_PREFIX "pre-scenecut", &val );
889 p_sys->param.b_pre_scenecut = val.b_bool;
890 var_Get( p_enc, SOUT_CFG_PREFIX "non-deterministic", &val );
891 p_sys->param.b_deterministic = val.b_bool;
894 var_Get( p_enc, SOUT_CFG_PREFIX "subme", &val );
895 if( val.i_int >= 1 && val.i_int <= SUBME_MAX )
896 p_sys->param.analyse.i_subpel_refine = val.i_int;
899 var_Get( p_enc, SOUT_CFG_PREFIX "me", &val );
900 if( !strcmp( val.psz_string, "dia" ) )
902 p_sys->param.analyse.i_me_method = X264_ME_DIA;
904 else if( !strcmp( val.psz_string, "hex" ) )
906 p_sys->param.analyse.i_me_method = X264_ME_HEX;
908 else if( !strcmp( val.psz_string, "umh" ) )
910 p_sys->param.analyse.i_me_method = X264_ME_UMH;
912 else if( !strcmp( val.psz_string, "esa" ) )
914 p_sys->param.analyse.i_me_method = X264_ME_ESA;
916 if( val.psz_string ) free( val.psz_string );
918 var_Get( p_enc, SOUT_CFG_PREFIX "merange", &val );
919 if( val.i_int >= 0 && val.i_int <= 64 )
920 p_sys->param.analyse.i_me_range = val.i_int;
922 var_Get( p_enc, SOUT_CFG_PREFIX "mvrange", &val );
923 p_sys->param.analyse.i_mv_range = val.i_int;
926 #if X264_BUILD >= 55 /* r607 */
927 var_Get( p_enc, SOUT_CFG_PREFIX "mvrange-thread", &val );
928 p_sys->param.analyse.i_mv_range_thread = val.i_int;
931 var_Get( p_enc, SOUT_CFG_PREFIX "direct", &val );
932 if( !strcmp( val.psz_string, "none" ) )
934 p_sys->param.analyse.i_direct_mv_pred = X264_DIRECT_PRED_NONE;
936 else if( !strcmp( val.psz_string, "spatial" ) )
938 p_sys->param.analyse.i_direct_mv_pred = X264_DIRECT_PRED_SPATIAL;
940 else if( !strcmp( val.psz_string, "temporal" ) )
942 p_sys->param.analyse.i_direct_mv_pred = X264_DIRECT_PRED_TEMPORAL;
944 #if X264_BUILD >= 45 /* r457 */
945 else if( !strcmp( val.psz_string, "auto" ) )
947 p_sys->param.analyse.i_direct_mv_pred = X264_DIRECT_PRED_AUTO;
950 if( val.psz_string ) free( val.psz_string );
952 var_Get( p_enc, SOUT_CFG_PREFIX "psnr", &val );
953 p_sys->param.analyse.b_psnr = val.b_bool;
955 #if X264_BUILD >= 50 /* r554 */
956 var_Get( p_enc, SOUT_CFG_PREFIX "ssim", &val );
957 p_sys->param.analyse.b_ssim = val.b_bool;
960 #if X264_BUILD >= 0x0012
961 var_Get( p_enc, SOUT_CFG_PREFIX "weightb", &val );
962 p_sys->param.analyse.b_weighted_bipred = val.b_bool;
965 #if X264_BUILD >= 0x0013
966 var_Get( p_enc, SOUT_CFG_PREFIX "b-adapt", &val );
967 p_sys->param.b_bframe_adaptive = val.b_bool;
969 var_Get( p_enc, SOUT_CFG_PREFIX "b-bias", &val );
970 if( val.i_int >= -100 && val.i_int <= 100 )
971 p_sys->param.i_bframe_bias = val.i_int;
975 var_Get( p_enc, SOUT_CFG_PREFIX "chroma-me", &val );
976 p_sys->param.analyse.b_chroma_me = val.b_bool;
977 var_Get( p_enc, SOUT_CFG_PREFIX "chroma-qp-offset", &val );
978 p_sys->param.analyse.i_chroma_qp_offset = val.i_int;
982 var_Get( p_enc, SOUT_CFG_PREFIX "mixed-refs", &val );
983 p_sys->param.analyse.b_mixed_references = val.b_bool;
987 var_Get( p_enc, SOUT_CFG_PREFIX "crf", &val );
988 if( val.i_int > 0 && val.i_int <= 51 )
991 p_sys->param.rc.f_rf_constant = val.i_int;
993 p_sys->param.rc.i_rf_constant = val.i_int;
996 p_sys->param.rc.i_rc_method = X264_RC_CRF;
1001 #if X264_BUILD >= 39
1002 var_Get( p_enc, SOUT_CFG_PREFIX "trellis", &val );
1003 if( val.i_int >= 0 && val.i_int <= 2 )
1004 p_sys->param.analyse.i_trellis = val.i_int;
1007 #if X264_BUILD >= 41
1008 var_Get( p_enc, SOUT_CFG_PREFIX "b-rdo", &val );
1009 p_sys->param.analyse.b_bframe_rdo = val.b_bool;
1012 #if X264_BUILD >= 42
1013 var_Get( p_enc, SOUT_CFG_PREFIX "fast-pskip", &val );
1014 p_sys->param.analyse.b_fast_pskip = val.b_bool;
1017 #if X264_BUILD >= 43
1018 var_Get( p_enc, SOUT_CFG_PREFIX "bime", &val );
1019 p_sys->param.analyse.b_bidir_me = val.b_bool;
1022 #if X264_BUILD >= 44
1023 var_Get( p_enc, SOUT_CFG_PREFIX "nr", &val );
1024 if( val.i_int >= 0 && val.i_int <= 1000 )
1025 p_sys->param.analyse.i_noise_reduction = val.i_int;
1028 #if X264_BUILD >= 46
1029 var_Get( p_enc, SOUT_CFG_PREFIX "dct-decimate", &val );
1030 p_sys->param.analyse.b_dct_decimate = val.b_bool;
1033 #if X264_BUILD >= 52
1034 var_Get( p_enc, SOUT_CFG_PREFIX "deadzone-inter", &val );
1035 if( val.i_int >= 0 && val.i_int <= 32 )
1036 p_sys->param.analyse.i_luma_deadzone[0] = val.i_int;
1038 var_Get( p_enc, SOUT_CFG_PREFIX "deadzone-intra", &val );
1039 if( val.i_int >= 0 && val.i_int <= 32 )
1040 p_sys->param.analyse.i_luma_deadzone[1] = val.i_int;
1042 var_Get( p_enc, SOUT_CFG_PREFIX "direct-8x8", &val );
1043 if( val.i_int >= -1 && val.i_int <= 1 )
1044 p_sys->param.analyse.i_direct_8x8_inference = val.i_int;
1047 var_Get( p_enc, SOUT_CFG_PREFIX "asm", &val );
1048 if( !val.b_bool ) p_sys->param.cpu = 0;
1050 #ifndef X264_ANALYSE_BSUB16x16
1051 # define X264_ANALYSE_BSUB16x16 0
1053 var_Get( p_enc, SOUT_CFG_PREFIX "partitions", &val );
1054 if( !strcmp( val.psz_string, "none" ) )
1056 p_sys->param.analyse.inter = 0;
1058 else if( !strcmp( val.psz_string, "fast" ) )
1060 p_sys->param.analyse.inter = X264_ANALYSE_I4x4;
1062 else if( !strcmp( val.psz_string, "normal" ) )
1064 p_sys->param.analyse.inter =
1066 X264_ANALYSE_PSUB16x16;
1067 #ifdef X264_ANALYSE_I8x8
1068 p_sys->param.analyse.inter |= X264_ANALYSE_I8x8;
1071 else if( !strcmp( val.psz_string, "slow" ) )
1073 p_sys->param.analyse.inter =
1075 X264_ANALYSE_PSUB16x16 |
1076 X264_ANALYSE_BSUB16x16;
1077 #ifdef X264_ANALYSE_I8x8
1078 p_sys->param.analyse.inter |= X264_ANALYSE_I8x8;
1081 else if( !strcmp( val.psz_string, "all" ) )
1083 p_sys->param.analyse.inter =
1085 X264_ANALYSE_PSUB16x16 |
1086 X264_ANALYSE_BSUB16x16 |
1087 X264_ANALYSE_PSUB8x8;
1088 #ifdef X264_ANALYSE_I8x8
1089 p_sys->param.analyse.inter |= X264_ANALYSE_I8x8;
1092 if( val.psz_string ) free( val.psz_string );
1094 #if X264_BUILD >= 30
1095 var_Get( p_enc, SOUT_CFG_PREFIX "8x8dct", &val );
1096 p_sys->param.analyse.b_transform_8x8 = val.b_bool;
1099 if( p_enc->fmt_in.video.i_aspect > 0 )
1101 int64_t i_num, i_den;
1102 unsigned int i_dst_num, i_dst_den;
1104 i_num = p_enc->fmt_in.video.i_aspect *
1105 (int64_t)p_enc->fmt_in.video.i_height;
1106 i_den = VOUT_ASPECT_FACTOR * p_enc->fmt_in.video.i_width;
1107 vlc_ureduce( &i_dst_num, &i_dst_den, i_num, i_den, 0 );
1109 p_sys->param.vui.i_sar_width = i_dst_num;
1110 p_sys->param.vui.i_sar_height = i_dst_den;
1112 if( p_enc->fmt_in.video.i_frame_rate_base > 0 )
1114 p_sys->param.i_fps_num = p_enc->fmt_in.video.i_frame_rate;
1115 p_sys->param.i_fps_den = p_enc->fmt_in.video.i_frame_rate_base;
1118 unsigned i_cpu = vlc_CPU();
1119 if( !(i_cpu & CPU_CAPABILITY_MMX) )
1121 p_sys->param.cpu &= ~X264_CPU_MMX;
1123 if( !(i_cpu & CPU_CAPABILITY_MMXEXT) )
1125 p_sys->param.cpu &= ~X264_CPU_MMXEXT;
1127 if( !(i_cpu & CPU_CAPABILITY_SSE) )
1129 p_sys->param.cpu &= ~X264_CPU_SSE;
1131 if( !(i_cpu & CPU_CAPABILITY_SSE2) )
1133 p_sys->param.cpu &= ~X264_CPU_SSE2;
1136 #if X264_BUILD >= 29
1137 /* As of r543 x264 will autodetect the number of cpus and will set
1138 the number of threads accordingly unless ofcourse the number of
1139 threads is explicitly specified... */
1140 if( p_enc->i_threads >= 1 )
1141 p_sys->param.i_threads = p_enc->i_threads;
1144 var_Get( p_enc, SOUT_CFG_PREFIX "stats", &val );
1145 if( val.psz_string )
1147 p_sys->param.rc.psz_stat_in =
1148 p_sys->param.rc.psz_stat_out =
1149 p_sys->psz_stat_name = val.psz_string;
1152 var_Get( p_enc, SOUT_CFG_PREFIX "pass", &val );
1153 if( val.i_int > 0 && val.i_int <= 3 )
1155 p_sys->param.rc.b_stat_write = val.i_int & 1;
1156 p_sys->param.rc.b_stat_read = val.i_int & 2;
1159 /* Open the encoder */
1160 p_sys->h = x264_encoder_open( &p_sys->param );
1163 p_sys->i_buffer = 4 * p_enc->fmt_in.video.i_width *
1164 p_enc->fmt_in.video.i_height + 1000;
1165 p_sys->p_buffer = malloc( p_sys->i_buffer );
1167 /* get the globals headers */
1168 p_enc->fmt_out.i_extra = 0;
1169 p_enc->fmt_out.p_extra = NULL;
1171 x264_encoder_headers( p_sys->h, &nal, &i_nal );
1172 for( i = 0; i < i_nal; i++ )
1174 int i_size = p_sys->i_buffer;
1176 x264_nal_encode( p_sys->p_buffer, &i_size, 1, &nal[i] );
1178 p_enc->fmt_out.p_extra = realloc( p_enc->fmt_out.p_extra, p_enc->fmt_out.i_extra + i_size );
1180 memcpy( p_enc->fmt_out.p_extra + p_enc->fmt_out.i_extra,
1181 p_sys->p_buffer, i_size );
1183 p_enc->fmt_out.i_extra += i_size;
1189 /****************************************************************************
1191 ****************************************************************************/
1192 static block_t *Encode( encoder_t *p_enc, picture_t *p_pict )
1194 encoder_sys_t *p_sys = p_enc->p_sys;
1198 int i_nal, i_out, i;
1201 memset( &pic, 0, sizeof( x264_picture_t ) );
1202 pic.i_pts = p_pict->date;
1203 pic.img.i_csp = X264_CSP_I420;
1204 pic.img.i_plane = p_pict->i_planes;
1205 for( i = 0; i < p_pict->i_planes; i++ )
1207 pic.img.plane[i] = p_pict->p[i].p_pixels;
1208 pic.img.i_stride[i] = p_pict->p[i].i_pitch;
1211 #if X264_BUILD >= 0x0013
1212 x264_encoder_encode( p_sys->h, &nal, &i_nal, &pic, &pic );
1214 x264_encoder_encode( p_sys->h, &nal, &i_nal, &pic );
1217 if( !i_nal ) return NULL;
1219 for( i = 0, i_out = 0; i < i_nal; i++ )
1221 int i_size = p_sys->i_buffer - i_out;
1222 x264_nal_encode( p_sys->p_buffer + i_out, &i_size, 1, &nal[i] );
1227 p_block = block_New( p_enc, i_out );
1228 memcpy( p_block->p_buffer, p_sys->p_buffer, i_out );
1230 if( pic.i_type == X264_TYPE_IDR || pic.i_type == X264_TYPE_I )
1231 p_block->i_flags |= BLOCK_FLAG_TYPE_I;
1232 else if( pic.i_type == X264_TYPE_P )
1233 p_block->i_flags |= BLOCK_FLAG_TYPE_P;
1234 else if( pic.i_type == X264_TYPE_B )
1235 p_block->i_flags |= BLOCK_FLAG_TYPE_B;
1237 /* This isn't really valid for streams with B-frames */
1238 p_block->i_length = I64C(1000000) *
1239 p_enc->fmt_in.video.i_frame_rate_base /
1240 p_enc->fmt_in.video.i_frame_rate;
1242 p_block->i_dts = p_block->i_pts = pic.i_pts;
1244 if( p_sys->param.i_bframe > 0 )
1246 if( p_block->i_flags & BLOCK_FLAG_TYPE_B )
1248 p_block->i_dts = p_block->i_pts;
1252 if( p_sys->i_last_ref_pts )
1254 p_block->i_dts = p_sys->i_last_ref_pts;
1258 /* Let's put something sensible */
1259 p_block->i_dts = p_block->i_pts;
1262 p_sys->i_last_ref_pts = p_block->i_pts;
1269 /*****************************************************************************
1270 * CloseEncoder: x264 encoder destruction
1271 *****************************************************************************/
1272 static void Close( vlc_object_t *p_this )
1274 encoder_t *p_enc = (encoder_t *)p_this;
1275 encoder_sys_t *p_sys = p_enc->p_sys;
1277 if( p_sys->psz_stat_name )
1278 free( p_sys->psz_stat_name );
1280 x264_encoder_close( p_sys->h );
1281 free( p_sys->p_buffer );