common.c 48.3 KB
Newer Older
1
/*****************************************************************************
2
 * common.c: misc common functions
3
 *****************************************************************************
Loren Merritt's avatar
Loren Merritt committed
4
 * Copyright (C) 2003-2013 x264 project
5
 *
6 7
 * Authors: Loren Merritt <lorenm@u.washington.edu>
 *          Laurent Aimar <fenrir@via.ecp.fr>
8 9 10 11 12 13 14 15 16 17 18 19 20
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
21
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02111, USA.
22 23 24
 *
 * This program is also available under a commercial proprietary license.
 * For more information, contact us at licensing@x264.com.
25 26
 *****************************************************************************/

27 28
#include "common.h"

29
#include <stdarg.h>
30
#include <ctype.h>
31

Steven Walters's avatar
Steven Walters committed
32
#if HAVE_MALLOC_H
33 34
#include <malloc.h>
#endif
35 36 37
#if HAVE_THP
#include <sys/mman.h>
#endif
38

39 40
const int x264_bit_depth = BIT_DEPTH;

41 42
const int x264_chroma_format = X264_CHROMA_FORMAT;

43 44
static void x264_log_default( void *, int, const char *, va_list );

45 46 47
/****************************************************************************
 * x264_param_default:
 ****************************************************************************/
48
void x264_param_default( x264_param_t *param )
49 50 51 52 53 54
{
    /* */
    memset( param, 0, sizeof( x264_param_t ) );

    /* CPU autodetect */
    param->cpu = x264_cpu_detect();
55
    param->i_threads = X264_THREADS_AUTO;
Fiona Glaser's avatar
Fiona Glaser committed
56
    param->i_lookahead_threads = X264_THREADS_AUTO;
Loren Merritt's avatar
Loren Merritt committed
57
    param->b_deterministic = 1;
Steven Walters's avatar
Steven Walters committed
58
    param->i_sync_lookahead = X264_SYNC_LOOKAHEAD_AUTO;
59 60

    /* Video properties */
61
    param->i_csp           = X264_CHROMA_FORMAT ? X264_CHROMA_FORMAT : X264_CSP_I420;
62 63 64 65
    param->i_width         = 0;
    param->i_height        = 0;
    param->vui.i_sar_width = 0;
    param->vui.i_sar_height= 0;
66 67
    param->vui.i_overscan  = 0;  /* undef */
    param->vui.i_vidformat = 5;  /* undef */
xvidfan's avatar
xvidfan committed
68
    param->vui.b_fullrange = -1; /* default depends on input */
69 70
    param->vui.i_colorprim = 2;  /* undef */
    param->vui.i_transfer  = 2;  /* undef */
xvidfan's avatar
xvidfan committed
71
    param->vui.i_colmatrix = -1; /* default depends on input */
72
    param->vui.i_chroma_loc= 0;  /* left center */
73 74
    param->i_fps_num       = 25;
    param->i_fps_den       = 1;
75
    param->i_level_idc     = -1;
76 77 78
    param->i_slice_max_size = 0;
    param->i_slice_max_mbs = 0;
    param->i_slice_count = 0;
79 80

    /* Encoder parameters */
81
    param->i_frame_reference = 3;
82
    param->i_keyint_max = 250;
83
    param->i_keyint_min = X264_KEYINT_MIN_AUTO;
84
    param->i_bframe = 3;
85
    param->i_scenecut_threshold = 40;
86
    param->i_bframe_adaptive = X264_B_ADAPT_FAST;
87
    param->i_bframe_bias = 0;
88
    param->i_bframe_pyramid = X264_B_PYRAMID_NORMAL;
89 90
    param->b_interlaced = 0;
    param->b_constrained_intra = 0;
91 92 93 94 95

    param->b_deblocking_filter = 1;
    param->i_deblocking_filter_alphac0 = 0;
    param->i_deblocking_filter_beta = 0;

96
    param->b_cabac = 1;
97
    param->i_cabac_init_idc = 0;
98

99
    param->rc.i_rc_method = X264_RC_CRF;
100
    param->rc.i_bitrate = 0;
Loren Merritt's avatar
Loren Merritt committed
101 102 103 104
    param->rc.f_rate_tolerance = 1.0;
    param->rc.i_vbv_max_bitrate = 0;
    param->rc.i_vbv_buffer_size = 0;
    param->rc.f_vbv_buffer_init = 0.9;
105
    param->rc.i_qp_constant = 23 + QP_BD_OFFSET;
106
    param->rc.f_rf_constant = 23;
Fiona Glaser's avatar
Fiona Glaser committed
107
    param->rc.i_qp_min = 0;
108
    param->rc.i_qp_max = QP_MAX;
109
    param->rc.i_qp_step = 4;
110
    param->rc.f_ip_factor = 1.4;
111
    param->rc.f_pb_factor = 1.3;
112
    param->rc.i_aq_mode = X264_AQ_VARIANCE;
113
    param->rc.f_aq_strength = 1.0;
114
    param->rc.i_lookahead = 40;
115 116 117 118 119 120 121

    param->rc.b_stat_write = 0;
    param->rc.psz_stat_out = "x264_2pass.log";
    param->rc.b_stat_read = 0;
    param->rc.psz_stat_in = "x264_2pass.log";
    param->rc.f_qcompress = 0.6;
    param->rc.f_qblur = 0.5;
122
    param->rc.f_complexity_blur = 20;
Loren Merritt's avatar
Loren Merritt committed
123
    param->rc.i_zones = 0;
124
    param->rc.b_mb_tree = 1;
125

126 127 128
    /* Log */
    param->pf_log = x264_log_default;
    param->p_log_private = NULL;
129
    param->i_log_level = X264_LOG_INFO;
130 131

    /* */
132
    param->analyse.intra = X264_ANALYSE_I4x4 | X264_ANALYSE_I8x8;
133 134
    param->analyse.inter = X264_ANALYSE_I4x4 | X264_ANALYSE_I8x8
                         | X264_ANALYSE_PSUB16x16 | X264_ANALYSE_BSUB16x16;
135
    param->analyse.i_direct_mv_pred = X264_DIRECT_PRED_SPATIAL;
136
    param->analyse.i_me_method = X264_ME_HEX;
137
    param->analyse.f_psy_rd = 1.0;
138
    param->analyse.b_psy = 1;
139
    param->analyse.f_psy_trellis = 0;
140
    param->analyse.i_me_range = 16;
141 142
    param->analyse.i_subpel_refine = 7;
    param->analyse.b_mixed_references = 1;
143
    param->analyse.b_chroma_me = 1;
Loren Merritt's avatar
Loren Merritt committed
144
    param->analyse.i_mv_range_thread = -1;
145
    param->analyse.i_mv_range = -1; // set from level_idc
146
    param->analyse.i_chroma_qp_offset = 0;
Loren Merritt's avatar
Loren Merritt committed
147
    param->analyse.b_fast_pskip = 1;
148
    param->analyse.b_weighted_bipred = 1;
149
    param->analyse.i_weighted_pred = X264_WEIGHTP_SMART;
150
    param->analyse.b_dct_decimate = 1;
151 152
    param->analyse.b_transform_8x8 = 1;
    param->analyse.i_trellis = 1;
153 154
    param->analyse.i_luma_deadzone[0] = 21;
    param->analyse.i_luma_deadzone[1] = 11;
155 156
    param->analyse.b_psnr = 0;
    param->analyse.b_ssim = 0;
157

Loren Merritt's avatar
Loren Merritt committed
158
    param->i_cqm_preset = X264_CQM_FLAT;
159 160
    memset( param->cqm_4iy, 16, sizeof( param->cqm_4iy ) );
    memset( param->cqm_4py, 16, sizeof( param->cqm_4py ) );
Fiona Glaser's avatar
Fiona Glaser committed
161
    memset( param->cqm_4ic, 16, sizeof( param->cqm_4ic ) );
162 163 164
    memset( param->cqm_4pc, 16, sizeof( param->cqm_4pc ) );
    memset( param->cqm_8iy, 16, sizeof( param->cqm_8iy ) );
    memset( param->cqm_8py, 16, sizeof( param->cqm_8py ) );
Fiona Glaser's avatar
Fiona Glaser committed
165 166
    memset( param->cqm_8ic, 16, sizeof( param->cqm_8ic ) );
    memset( param->cqm_8pc, 16, sizeof( param->cqm_8pc ) );
Loren Merritt's avatar
Loren Merritt committed
167

168
    param->b_repeat_headers = 1;
169
    param->b_annexb = 1;
170
    param->b_aud = 0;
171
    param->b_vfr_input = 1;
172 173 174
    param->i_nal_hrd = X264_NAL_HRD_NONE;
    param->b_tff = 1;
    param->b_pic_struct = 0;
175
    param->b_fake_interlaced = 0;
176
    param->i_frame_packing = -1;
Steve Borho's avatar
Steve Borho committed
177 178 179 180
    param->b_opencl = 0;
    param->i_opencl_device = 0;
    param->opencl_device_id = NULL;
    param->psz_clbin_file = NULL;
181 182
}

183 184
static int x264_param_apply_preset( x264_param_t *param, const char *preset )
{
185 186 187 188 189
    char *end;
    int i = strtol( preset, &end, 10 );
    if( *end == 0 && i >= 0 && i < sizeof(x264_preset_names)/sizeof(*x264_preset_names)-1 )
        preset = x264_preset_names[i];

190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207
    if( !strcasecmp( preset, "ultrafast" ) )
    {
        param->i_frame_reference = 1;
        param->i_scenecut_threshold = 0;
        param->b_deblocking_filter = 0;
        param->b_cabac = 0;
        param->i_bframe = 0;
        param->analyse.intra = 0;
        param->analyse.inter = 0;
        param->analyse.b_transform_8x8 = 0;
        param->analyse.i_me_method = X264_ME_DIA;
        param->analyse.i_subpel_refine = 0;
        param->rc.i_aq_mode = 0;
        param->analyse.b_mixed_references = 0;
        param->analyse.i_trellis = 0;
        param->i_bframe_adaptive = X264_B_ADAPT_NONE;
        param->rc.b_mb_tree = 0;
        param->analyse.i_weighted_pred = X264_WEIGHTP_NONE;
208
        param->analyse.b_weighted_bipred = 0;
209
        param->rc.i_lookahead = 0;
210
    }
211
    else if( !strcasecmp( preset, "superfast" ) )
212 213 214 215 216 217 218 219
    {
        param->analyse.inter = X264_ANALYSE_I8x8|X264_ANALYSE_I4x4;
        param->analyse.i_me_method = X264_ME_DIA;
        param->analyse.i_subpel_refine = 1;
        param->i_frame_reference = 1;
        param->analyse.b_mixed_references = 0;
        param->analyse.i_trellis = 0;
        param->rc.b_mb_tree = 0;
220
        param->analyse.i_weighted_pred = X264_WEIGHTP_SIMPLE;
221
        param->rc.i_lookahead = 0;
222
    }
223 224 225 226 227 228 229
    else if( !strcasecmp( preset, "veryfast" ) )
    {
        param->analyse.i_me_method = X264_ME_HEX;
        param->analyse.i_subpel_refine = 2;
        param->i_frame_reference = 1;
        param->analyse.b_mixed_references = 0;
        param->analyse.i_trellis = 0;
230
        param->analyse.i_weighted_pred = X264_WEIGHTP_SIMPLE;
231
        param->rc.i_lookahead = 10;
232
    }
233 234 235 236 237
    else if( !strcasecmp( preset, "faster" ) )
    {
        param->analyse.b_mixed_references = 0;
        param->i_frame_reference = 2;
        param->analyse.i_subpel_refine = 4;
238
        param->analyse.i_weighted_pred = X264_WEIGHTP_SIMPLE;
239
        param->rc.i_lookahead = 20;
240 241 242 243 244
    }
    else if( !strcasecmp( preset, "fast" ) )
    {
        param->i_frame_reference = 2;
        param->analyse.i_subpel_refine = 6;
245
        param->analyse.i_weighted_pred = X264_WEIGHTP_SIMPLE;
246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287
        param->rc.i_lookahead = 30;
    }
    else if( !strcasecmp( preset, "medium" ) )
    {
        /* Default is medium */
    }
    else if( !strcasecmp( preset, "slow" ) )
    {
        param->analyse.i_me_method = X264_ME_UMH;
        param->analyse.i_subpel_refine = 8;
        param->i_frame_reference = 5;
        param->i_bframe_adaptive = X264_B_ADAPT_TRELLIS;
        param->analyse.i_direct_mv_pred = X264_DIRECT_PRED_AUTO;
        param->rc.i_lookahead = 50;
    }
    else if( !strcasecmp( preset, "slower" ) )
    {
        param->analyse.i_me_method = X264_ME_UMH;
        param->analyse.i_subpel_refine = 9;
        param->i_frame_reference = 8;
        param->i_bframe_adaptive = X264_B_ADAPT_TRELLIS;
        param->analyse.i_direct_mv_pred = X264_DIRECT_PRED_AUTO;
        param->analyse.inter |= X264_ANALYSE_PSUB8x8;
        param->analyse.i_trellis = 2;
        param->rc.i_lookahead = 60;
    }
    else if( !strcasecmp( preset, "veryslow" ) )
    {
        param->analyse.i_me_method = X264_ME_UMH;
        param->analyse.i_subpel_refine = 10;
        param->analyse.i_me_range = 24;
        param->i_frame_reference = 16;
        param->i_bframe_adaptive = X264_B_ADAPT_TRELLIS;
        param->analyse.i_direct_mv_pred = X264_DIRECT_PRED_AUTO;
        param->analyse.inter |= X264_ANALYSE_PSUB8x8;
        param->analyse.i_trellis = 2;
        param->i_bframe = 8;
        param->rc.i_lookahead = 60;
    }
    else if( !strcasecmp( preset, "placebo" ) )
    {
        param->analyse.i_me_method = X264_ME_TESA;
288
        param->analyse.i_subpel_refine = 11;
289 290 291 292 293 294 295 296 297 298 299 300
        param->analyse.i_me_range = 24;
        param->i_frame_reference = 16;
        param->i_bframe_adaptive = X264_B_ADAPT_TRELLIS;
        param->analyse.i_direct_mv_pred = X264_DIRECT_PRED_AUTO;
        param->analyse.inter |= X264_ANALYSE_PSUB8x8;
        param->analyse.b_fast_pskip = 0;
        param->analyse.i_trellis = 2;
        param->i_bframe = 16;
        param->rc.i_lookahead = 60;
    }
    else
    {
301
        x264_log( NULL, X264_LOG_ERROR, "invalid preset '%s'\n", preset );
302 303 304 305 306 307 308
        return -1;
    }
    return 0;
}

static int x264_param_apply_tune( x264_param_t *param, const char *tune )
{
309
    char *tmp = x264_malloc( strlen( tune ) + 1 );
310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347
    if( !tmp )
        return -1;
    tmp = strcpy( tmp, tune );
    char *s = strtok( tmp, ",./-+" );
    int psy_tuning_used = 0;
    while( s )
    {
        if( !strncasecmp( s, "film", 4 ) )
        {
            if( psy_tuning_used++ ) goto psy_failure;
            param->i_deblocking_filter_alphac0 = -1;
            param->i_deblocking_filter_beta = -1;
            param->analyse.f_psy_trellis = 0.15;
        }
        else if( !strncasecmp( s, "animation", 9 ) )
        {
            if( psy_tuning_used++ ) goto psy_failure;
            param->i_frame_reference = param->i_frame_reference > 1 ? param->i_frame_reference*2 : 1;
            param->i_deblocking_filter_alphac0 = 1;
            param->i_deblocking_filter_beta = 1;
            param->analyse.f_psy_rd = 0.4;
            param->rc.f_aq_strength = 0.6;
            param->i_bframe += 2;
        }
        else if( !strncasecmp( s, "grain", 5 ) )
        {
            if( psy_tuning_used++ ) goto psy_failure;
            param->i_deblocking_filter_alphac0 = -2;
            param->i_deblocking_filter_beta = -2;
            param->analyse.f_psy_trellis = 0.25;
            param->analyse.b_dct_decimate = 0;
            param->rc.f_pb_factor = 1.1;
            param->rc.f_ip_factor = 1.1;
            param->rc.f_aq_strength = 0.5;
            param->analyse.i_luma_deadzone[0] = 6;
            param->analyse.i_luma_deadzone[1] = 6;
            param->rc.f_qcompress = 0.8;
        }
348
        else if( !strncasecmp( s, "stillimage", 10 ) )
349 350 351 352 353 354 355 356
        {
            if( psy_tuning_used++ ) goto psy_failure;
            param->i_deblocking_filter_alphac0 = -3;
            param->i_deblocking_filter_beta = -3;
            param->analyse.f_psy_rd = 2.0;
            param->analyse.f_psy_trellis = 0.7;
            param->rc.f_aq_strength = 1.2;
        }
357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381
        else if( !strncasecmp( s, "psnr", 4 ) )
        {
            if( psy_tuning_used++ ) goto psy_failure;
            param->rc.i_aq_mode = X264_AQ_NONE;
            param->analyse.b_psy = 0;
        }
        else if( !strncasecmp( s, "ssim", 4 ) )
        {
            if( psy_tuning_used++ ) goto psy_failure;
            param->rc.i_aq_mode = X264_AQ_AUTOVARIANCE;
            param->analyse.b_psy = 0;
        }
        else if( !strncasecmp( s, "fastdecode", 10 ) )
        {
            param->b_deblocking_filter = 0;
            param->b_cabac = 0;
            param->analyse.b_weighted_bipred = 0;
            param->analyse.i_weighted_pred = X264_WEIGHTP_NONE;
        }
        else if( !strncasecmp( s, "zerolatency", 11 ) )
        {
            param->rc.i_lookahead = 0;
            param->i_sync_lookahead = 0;
            param->i_bframe = 0;
            param->b_sliced_threads = 1;
382
            param->b_vfr_input = 0;
383
            param->rc.b_mb_tree = 0;
384 385 386 387 388 389 390 391 392 393 394 395 396 397
        }
        else if( !strncasecmp( s, "touhou", 6 ) )
        {
            if( psy_tuning_used++ ) goto psy_failure;
            param->i_frame_reference = param->i_frame_reference > 1 ? param->i_frame_reference*2 : 1;
            param->i_deblocking_filter_alphac0 = -1;
            param->i_deblocking_filter_beta = -1;
            param->analyse.f_psy_trellis = 0.2;
            param->rc.f_aq_strength = 1.3;
            if( param->analyse.inter & X264_ANALYSE_PSUB16x16 )
                param->analyse.inter |= X264_ANALYSE_PSUB8x8;
        }
        else
        {
398
            x264_log( NULL, X264_LOG_ERROR, "invalid tune '%s'\n", s );
399
            x264_free( tmp );
400 401 402 403 404
            return -1;
        }
        if( 0 )
        {
    psy_failure:
405
            x264_log( NULL, X264_LOG_WARNING, "only 1 psy tuning can be used: ignoring tune %s\n", s );
406 407 408
        }
        s = strtok( NULL, ",./-+" );
    }
409
    x264_free( tmp );
410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426
    return 0;
}

int x264_param_default_preset( x264_param_t *param, const char *preset, const char *tune )
{
    x264_param_default( param );

    if( preset && x264_param_apply_preset( param, preset ) < 0 )
        return -1;
    if( tune && x264_param_apply_tune( param, tune ) < 0 )
        return -1;
    return 0;
}

void x264_param_apply_fastfirstpass( x264_param_t *param )
{
    /* Set faster options in case of turbo firstpass. */
Fiona Glaser's avatar
Fiona Glaser committed
427
    if( param->rc.b_stat_write && !param->rc.b_stat_read )
428 429 430 431 432 433 434
    {
        param->i_frame_reference = 1;
        param->analyse.b_transform_8x8 = 0;
        param->analyse.inter = 0;
        param->analyse.i_me_method = X264_ME_DIA;
        param->analyse.i_subpel_refine = X264_MIN( 2, param->analyse.i_subpel_refine );
        param->analyse.i_trellis = 0;
435
        param->analyse.b_fast_pskip = 1;
436 437 438
    }
}

Henrik Gramner's avatar
Henrik Gramner committed
439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455
static int profile_string_to_int( const char *str )
{
    if( !strcasecmp( str, "baseline" ) )
        return PROFILE_BASELINE;
    if( !strcasecmp( str, "main" ) )
        return PROFILE_MAIN;
    if( !strcasecmp( str, "high" ) )
        return PROFILE_HIGH;
    if( !strcasecmp( str, "high10" ) )
        return PROFILE_HIGH10;
    if( !strcasecmp( str, "high422" ) )
        return PROFILE_HIGH422;
    if( !strcasecmp( str, "high444" ) )
        return PROFILE_HIGH444_PREDICTIVE;
    return -1;
}

456 457 458 459 460
int x264_param_apply_profile( x264_param_t *param, const char *profile )
{
    if( !profile )
        return 0;

Henrik Gramner's avatar
Henrik Gramner committed
461 462
    int p = profile_string_to_int( profile );
    if( p < 0 )
463
    {
Henrik Gramner's avatar
Henrik Gramner committed
464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485
        x264_log( NULL, X264_LOG_ERROR, "invalid profile: %s\n", profile );
        return -1;
    }
    if( p < PROFILE_HIGH444_PREDICTIVE && ((param->rc.i_rc_method == X264_RC_CQP && param->rc.i_qp_constant <= 0) ||
        (param->rc.i_rc_method == X264_RC_CRF && (int)(param->rc.f_rf_constant + QP_BD_OFFSET) <= 0)) )
    {
        x264_log( NULL, X264_LOG_ERROR, "%s profile doesn't support lossless\n", profile );
        return -1;
    }
    if( p < PROFILE_HIGH444_PREDICTIVE && (param->i_csp & X264_CSP_MASK) >= X264_CSP_I444 )
    {
        x264_log( NULL, X264_LOG_ERROR, "%s profile doesn't support 4:4:4\n", profile );
        return -1;
    }
    if( p < PROFILE_HIGH422 && (param->i_csp & X264_CSP_MASK) >= X264_CSP_I422 )
    {
        x264_log( NULL, X264_LOG_ERROR, "%s profile doesn't support 4:2:2\n", profile );
        return -1;
    }
    if( p < PROFILE_HIGH10 && BIT_DEPTH > 8 )
    {
        x264_log( NULL, X264_LOG_ERROR, "%s profile doesn't support a bit depth of %d\n", profile, BIT_DEPTH );
486 487 488
        return -1;
    }

Henrik Gramner's avatar
Henrik Gramner committed
489
    if( p == PROFILE_BASELINE )
490 491 492 493
    {
        param->analyse.b_transform_8x8 = 0;
        param->b_cabac = 0;
        param->i_cqm_preset = X264_CQM_FLAT;
494
        param->psz_cqm_file = NULL;
495 496 497 498
        param->i_bframe = 0;
        param->analyse.i_weighted_pred = X264_WEIGHTP_NONE;
        if( param->b_interlaced )
        {
499
            x264_log( NULL, X264_LOG_ERROR, "baseline profile doesn't support interlacing\n" );
500 501
            return -1;
        }
502
        if( param->b_fake_interlaced )
503 504 505 506
        {
            x264_log( NULL, X264_LOG_ERROR, "baseline profile doesn't support fake interlacing\n" );
            return -1;
        }
507
    }
Henrik Gramner's avatar
Henrik Gramner committed
508
    else if( p == PROFILE_MAIN )
509 510 511
    {
        param->analyse.b_transform_8x8 = 0;
        param->i_cqm_preset = X264_CQM_FLAT;
512
        param->psz_cqm_file = NULL;
513 514 515 516
    }
    return 0;
}

517 518
static int parse_enum( const char *arg, const char * const *names, int *dst )
{
519
    for( int i = 0; names[i]; i++ )
520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539
        if( !strcmp( arg, names[i] ) )
        {
            *dst = i;
            return 0;
        }
    return -1;
}

static int parse_cqm( const char *str, uint8_t *cqm, int length )
{
    int i = 0;
    do {
        int coef;
        if( !sscanf( str, "%d", &coef ) || coef < 1 || coef > 255 )
            return -1;
        cqm[i++] = coef;
    } while( i < length && (str = strchr( str, ',' )) && str++ );
    return (i == length) ? 0 : -1;
}

540
static int x264_atobool( const char *str, int *b_error )
541
{
Loren Merritt's avatar
Loren Merritt committed
542 543
    if( !strcmp(str, "1") ||
        !strcmp(str, "true") ||
544 545
        !strcmp(str, "yes") )
        return 1;
Loren Merritt's avatar
Loren Merritt committed
546 547
    if( !strcmp(str, "0") ||
        !strcmp(str, "false") ||
548 549
        !strcmp(str, "no") )
        return 0;
550 551 552 553 554 555 556 557 558 559 560
    *b_error = 1;
    return 0;
}

static int x264_atoi( const char *str, int *b_error )
{
    char *end;
    int v = strtol( str, &end, 0 );
    if( end == str || *end != '\0' )
        *b_error = 1;
    return v;
561 562
}

563 564 565 566 567 568 569 570 571 572
static double x264_atof( const char *str, int *b_error )
{
    char *end;
    double v = strtod( str, &end );
    if( end == str || *end != '\0' )
        *b_error = 1;
    return v;
}

#define atobool(str) ( name_was_bool = 1, x264_atobool( str, &b_error ) )
573 574
#undef atoi
#undef atof
575 576
#define atoi(str) x264_atoi( str, &b_error )
#define atof(str) x264_atof( str, &b_error )
577 578 579

int x264_param_parse( x264_param_t *p, const char *name, const char *value )
{
580
    char *name_buf = NULL;
581
    int b_error = 0;
582 583
    int name_was_bool;
    int value_was_null = !value;
584 585 586 587 588
    int i;

    if( !name )
        return X264_PARAM_BAD_NAME;
    if( !value )
589
        value = "true";
590 591 592 593

    if( value[0] == '=' )
        value++;

594 595
    if( strchr( name, '_' ) ) // s/_/-/g
    {
596
        char *c;
597
        name_buf = strdup(name);
598 599
        while( (c = strchr( name_buf, '_' )) )
            *c = '-';
600 601 602
        name = name_buf;
    }

603 604 605 606 607 608
    if( (!strncmp( name, "no-", 3 ) && (i = 3)) ||
        (!strncmp( name, "no", 2 ) && (i = 2)) )
    {
        name += i;
        value = atobool(value) ? "false" : "true";
    }
609
    name_was_bool = 0;
610 611

#define OPT(STR) else if( !strcmp( name, STR ) )
612
#define OPT2(STR0, STR1) else if( !strcmp( name, STR0 ) || !strcmp( name, STR1 ) )
613 614
    if(0);
    OPT("asm")
615 616 617 618 619 620
    {
        p->cpu = isdigit(value[0]) ? atoi(value) :
                 !strcmp(value, "auto") || atobool(value) ? x264_cpu_detect() : 0;
        if( b_error )
        {
            char *buf = strdup(value);
621
            char *tok, UNUSED *saveptr=NULL, *init;
622 623 624 625 626 627 628 629 630 631
            b_error = 0;
            p->cpu = 0;
            for( init=buf; (tok=strtok_r(init, ",", &saveptr)); init=NULL )
            {
                for( i=0; x264_cpu_names[i].flags && strcasecmp(tok, x264_cpu_names[i].name); i++ );
                p->cpu |= x264_cpu_names[i].flags;
                if( !x264_cpu_names[i].flags )
                    b_error = 1;
            }
            free( buf );
632
            if( (p->cpu&X264_CPU_SSSE3) && !(p->cpu&X264_CPU_SSE2_IS_SLOW) )
Loren Merritt's avatar
Loren Merritt committed
633
                p->cpu |= X264_CPU_SSE2_IS_FAST;
634 635
        }
    }
636
    OPT("threads")
637 638
    {
        if( !strcmp(value, "auto") )
639
            p->i_threads = X264_THREADS_AUTO;
640 641 642
        else
            p->i_threads = atoi(value);
    }
Fiona Glaser's avatar
Fiona Glaser committed
643 644 645 646 647 648 649
    OPT("lookahead-threads")
    {
        if( !strcmp(value, "auto") )
            p->i_lookahead_threads = X264_THREADS_AUTO;
        else
            p->i_lookahead_threads = atoi(value);
    }
650 651
    OPT("sliced-threads")
        p->b_sliced_threads = atobool(value);
Steven Walters's avatar
Steven Walters committed
652 653 654 655 656 657 658
    OPT("sync-lookahead")
    {
        if( !strcmp(value, "auto") )
            p->i_sync_lookahead = X264_SYNC_LOOKAHEAD_AUTO;
        else
            p->i_sync_lookahead = atoi(value);
    }
Loren Merritt's avatar
Loren Merritt committed
659 660
    OPT2("deterministic", "n-deterministic")
        p->b_deterministic = atobool(value);
661 662
    OPT("cpu-independent")
        p->b_cpu_independent = atobool(value);
663
    OPT2("level", "level-idc")
664
    {
665 666 667
        if( !strcmp(value, "1b") )
            p->i_level_idc = 9;
        else if( atof(value) < 6 )
668 669 670 671
            p->i_level_idc = (int)(10*atof(value)+.5);
        else
            p->i_level_idc = atoi(value);
    }
672 673
    OPT("bluray-compat")
        p->b_bluray_compat = atobool(value);
Kieran Kunhya's avatar
Kieran Kunhya committed
674 675
    OPT("avcintra-compat")
        p->b_avcintra_compat = atobool(value);
676 677 678 679 680 681 682
    OPT("sar")
    {
        b_error = ( 2 != sscanf( value, "%d:%d", &p->vui.i_sar_width, &p->vui.i_sar_height ) &&
                    2 != sscanf( value, "%d/%d", &p->vui.i_sar_width, &p->vui.i_sar_height ) );
    }
    OPT("overscan")
        b_error |= parse_enum( value, x264_overscan_names, &p->vui.i_overscan );
683
    OPT("videoformat")
684 685 686
        b_error |= parse_enum( value, x264_vidformat_names, &p->vui.i_vidformat );
    OPT("fullrange")
        b_error |= parse_enum( value, x264_fullrange_names, &p->vui.b_fullrange );
687
    OPT("colorprim")
688 689 690
        b_error |= parse_enum( value, x264_colorprim_names, &p->vui.i_colorprim );
    OPT("transfer")
        b_error |= parse_enum( value, x264_transfer_names, &p->vui.i_transfer );
691
    OPT("colormatrix")
692 693 694 695 696 697 698 699
        b_error |= parse_enum( value, x264_colmatrix_names, &p->vui.i_colmatrix );
    OPT("chromaloc")
    {
        p->vui.i_chroma_loc = atoi(value);
        b_error = ( p->vui.i_chroma_loc < 0 || p->vui.i_chroma_loc > 5 );
    }
    OPT("fps")
    {
700
        if( sscanf( value, "%u/%u", &p->i_fps_num, &p->i_fps_den ) == 2 )
701
            ;
702
        else
703
        {
704
            float fps = atof(value);
705 706 707 708 709 710 711 712 713 714
            if( fps > 0 && fps <= INT_MAX/1000 )
            {
                p->i_fps_num = (int)(fps * 1000 + .5);
                p->i_fps_den = 1000;
            }
            else
            {
                p->i_fps_num = atoi(value);
                p->i_fps_den = 1;
            }
715 716
        }
    }
717
    OPT2("ref", "frameref")
718
        p->i_frame_reference = atoi(value);
719 720
    OPT("dpb-size")
        p->i_dpb_size = atoi(value);
721 722
    OPT("keyint")
    {
723 724 725 726
        if( strstr( value, "infinite" ) )
            p->i_keyint_max = X264_KEYINT_MAX_INFINITE;
        else
            p->i_keyint_max = atoi(value);
727
    }
728
    OPT2("min-keyint", "keyint-min")
729 730 731 732 733 734
    {
        p->i_keyint_min = atoi(value);
        if( p->i_keyint_max < p->i_keyint_min )
            p->i_keyint_max = p->i_keyint_min;
    }
    OPT("scenecut")
Fiona Glaser's avatar
Fiona Glaser committed
735 736 737 738 739 740 741 742
    {
        p->i_scenecut_threshold = atobool(value);
        if( b_error || p->i_scenecut_threshold )
        {
            b_error = 0;
            p->i_scenecut_threshold = atoi(value);
        }
    }
Fiona Glaser's avatar
Fiona Glaser committed
743 744
    OPT("intra-refresh")
        p->b_intra_refresh = atobool(value);
745 746 747
    OPT("bframes")
        p->i_bframe = atoi(value);
    OPT("b-adapt")
748 749 750 751 752 753 754 755
    {
        p->i_bframe_adaptive = atobool(value);
        if( b_error )
        {
            b_error = 0;
            p->i_bframe_adaptive = atoi(value);
        }
    }
756 757 758
    OPT("b-bias")
        p->i_bframe_bias = atoi(value);
    OPT("b-pyramid")
759
    {
760
        b_error |= parse_enum( value, x264_b_pyramid_names, &p->i_bframe_pyramid );
761 762 763 764 765 766
        if( b_error )
        {
            b_error = 0;
            p->i_bframe_pyramid = atoi(value);
        }
    }
Lamont Alston's avatar
Lamont Alston committed
767
    OPT("open-gop")
768
        p->b_open_gop = atobool(value);
769
    OPT("nf")
770
        p->b_deblocking_filter = !atobool(value);
771
    OPT2("filter", "deblock")
772
    {
773 774
        if( 2 == sscanf( value, "%d:%d", &p->i_deblocking_filter_alphac0, &p->i_deblocking_filter_beta ) ||
            2 == sscanf( value, "%d,%d", &p->i_deblocking_filter_alphac0, &p->i_deblocking_filter_beta ) )
775 776
        {
            p->b_deblocking_filter = 1;
777 778 779 780 781
        }
        else if( sscanf( value, "%d", &p->i_deblocking_filter_alphac0 ) )
        {
            p->b_deblocking_filter = 1;
            p->i_deblocking_filter_beta = p->i_deblocking_filter_alphac0;
782 783 784 785
        }
        else
            p->b_deblocking_filter = atobool(value);
    }
786 787 788 789
    OPT("slice-max-size")
        p->i_slice_max_size = atoi(value);
    OPT("slice-max-mbs")
        p->i_slice_max_mbs = atoi(value);
Fiona Glaser's avatar
Fiona Glaser committed
790 791
    OPT("slice-min-mbs")
        p->i_slice_min_mbs = atoi(value);
792 793
    OPT("slices")
        p->i_slice_count = atoi(value);
Fiona Glaser's avatar
Fiona Glaser committed
794 795
    OPT("slices-max")
        p->i_slice_count_max = atoi(value);
796 797 798 799
    OPT("cabac")
        p->b_cabac = atobool(value);
    OPT("cabac-idc")
        p->i_cabac_init_idc = atoi(value);
800 801
    OPT("interlaced")
        p->b_interlaced = atobool(value);
802 803 804 805 806 807 808
    OPT("tff")
        p->b_interlaced = p->b_tff = atobool(value);
    OPT("bff")
    {
        p->b_interlaced = atobool(value);
        p->b_tff = !p->b_interlaced;
    }
809 810
    OPT("constrained-intra")
        p->b_constrained_intra = atobool(value);
811 812 813 814 815 816 817
    OPT("cqm")
    {
        if( strstr( value, "flat" ) )
            p->i_cqm_preset = X264_CQM_FLAT;
        else if( strstr( value, "jvt" ) )
            p->i_cqm_preset = X264_CQM_JVT;
        else
818
            p->psz_cqm_file = strdup(value);
819 820 821 822 823 824 825 826
    }
    OPT("cqmfile")
        p->psz_cqm_file = strdup(value);
    OPT("cqm4")
    {
        p->i_cqm_preset = X264_CQM_CUSTOM;
        b_error |= parse_cqm( value, p->cqm_4iy, 16 );
        b_error |= parse_cqm( value, p->cqm_4py, 16 );
Fiona Glaser's avatar
Fiona Glaser committed
827
        b_error |= parse_cqm( value, p->cqm_4ic, 16 );
828 829 830 831 832 833 834
        b_error |= parse_cqm( value, p->cqm_4pc, 16 );
    }
    OPT("cqm8")
    {
        p->i_cqm_preset = X264_CQM_CUSTOM;
        b_error |= parse_cqm( value, p->cqm_8iy, 64 );
        b_error |= parse_cqm( value, p->cqm_8py, 64 );
Fiona Glaser's avatar
Fiona Glaser committed
835 836
        b_error |= parse_cqm( value, p->cqm_8ic, 64 );
        b_error |= parse_cqm( value, p->cqm_8pc, 64 );
837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873
    }
    OPT("cqm4i")
    {
        p->i_cqm_preset = X264_CQM_CUSTOM;
        b_error |= parse_cqm( value, p->cqm_4iy, 16 );
        b_error |= parse_cqm( value, p->cqm_4ic, 16 );
    }
    OPT("cqm4p")
    {
        p->i_cqm_preset = X264_CQM_CUSTOM;
        b_error |= parse_cqm( value, p->cqm_4py, 16 );
        b_error |= parse_cqm( value, p->cqm_4pc, 16 );
    }
    OPT("cqm4iy")
    {
        p->i_cqm_preset = X264_CQM_CUSTOM;
        b_error |= parse_cqm( value, p->cqm_4iy, 16 );
    }
    OPT("cqm4ic")
    {
        p->i_cqm_preset = X264_CQM_CUSTOM;
        b_error |= parse_cqm( value, p->cqm_4ic, 16 );
    }
    OPT("cqm4py")
    {
        p->i_cqm_preset = X264_CQM_CUSTOM;
        b_error |= parse_cqm( value, p->cqm_4py, 16 );
    }
    OPT("cqm4pc")
    {
        p->i_cqm_preset = X264_CQM_CUSTOM;
        b_error |= parse_cqm( value, p->cqm_4pc, 16 );
    }
    OPT("cqm8i")
    {
        p->i_cqm_preset = X264_CQM_CUSTOM;
        b_error |= parse_cqm( value, p->cqm_8iy, 64 );
Fiona Glaser's avatar
Fiona Glaser committed
874
        b_error |= parse_cqm( value, p->cqm_8ic, 64 );
875 876 877 878 879
    }
    OPT("cqm8p")
    {
        p->i_cqm_preset = X264_CQM_CUSTOM;
        b_error |= parse_cqm( value, p->cqm_8py, 64 );
Fiona Glaser's avatar
Fiona Glaser committed
880
        b_error |= parse_cqm( value, p->cqm_8pc, 64 );
881 882 883
    }
    OPT("log")
        p->i_log_level = atoi(value);
Steven Walters's avatar
Steven Walters committed
884
#if HAVE_VISUALIZE
885 886 887
    OPT("visualize")
        p->b_visualize = atobool(value);
#endif
888 889
    OPT("dump-yuv")
        p->psz_dump_yuv = strdup(value);
890
    OPT2("analyse", "partitions")
891 892 893 894 895 896 897 898 899 900 901 902 903
    {
        p->analyse.inter = 0;
        if( strstr( value, "none" ) )  p->analyse.inter =  0;
        if( strstr( value, "all" ) )   p->analyse.inter = ~0;

        if( strstr( value, "i4x4" ) )  p->analyse.inter |= X264_ANALYSE_I4x4;
        if( strstr( value, "i8x8" ) )  p->analyse.inter |= X264_ANALYSE_I8x8;
        if( strstr( value, "p8x8" ) )  p->analyse.inter |= X264_ANALYSE_PSUB16x16;
        if( strstr( value, "p4x4" ) )  p->analyse.inter |= X264_ANALYSE_PSUB8x8;
        if( strstr( value, "b8x8" ) )  p->analyse.inter |= X264_ANALYSE_BSUB16x16;
    }
    OPT("8x8dct")
        p->analyse.b_transform_8x8 = atobool(value);
904
    OPT2("weightb", "weight-b")
905
        p->analyse.b_weighted_bipred = atobool(value);
906 907
    OPT("weightp")
        p->analyse.i_weighted_pred = atoi(value);
908
    OPT2("direct", "direct-pred")
909 910 911 912 913
        b_error |= parse_enum( value, x264_direct_pred_names, &p->analyse.i_direct_mv_pred );
    OPT("chroma-qp-offset")
        p->analyse.i_chroma_qp_offset = atoi(value);
    OPT("me")
        b_error |= parse_enum( value, x264_motion_est_names, &p->analyse.i_me_method );
914
    OPT2("merange", "me-range")
915
        p->analyse.i_me_range = atoi(value);
Loren Merritt's avatar
Loren Merritt committed
916
    OPT2("mvrange", "mv-range")
917
        p->analyse.i_mv_range = atoi(value);
Loren Merritt's avatar
Loren Merritt committed
918 919
    OPT2("mvrange-thread", "mv-range-thread")
        p->analyse.i_mv_range_thread = atoi(value);
920
    OPT2("subme", "subq")
921
        p->analyse.i_subpel_refine = atoi(value);
922 923 924
    OPT("psy-rd")
    {
        if( 2 == sscanf( value, "%f:%f", &p->analyse.f_psy_rd, &p->analyse.f_psy_trellis ) ||
925 926
            2 == sscanf( value, "%f,%f", &p->analyse.f_psy_rd, &p->analyse.f_psy_trellis ) ||
            2 == sscanf( value, "%f|%f", &p->analyse.f_psy_rd, &p->analyse.f_psy_trellis ))
927 928 929 930 931 932 933 934 935 936 937
        { }
        else if( sscanf( value, "%f", &p->analyse.f_psy_rd ) )
        {
            p->analyse.f_psy_trellis = 0;
        }
        else
        {
            p->analyse.f_psy_rd = 0;
            p->analyse.f_psy_trellis = 0;
        }
    }
938 939
    OPT("psy")
        p->analyse.b_psy = atobool(value);
940 941 942 943 944 945 946 947 948 949
    OPT("chroma-me")
        p->analyse.b_chroma_me = atobool(value);
    OPT("mixed-refs")
        p->analyse.b_mixed_references = atobool(value);
    OPT("trellis")
        p->analyse.i_trellis = atoi(value);
    OPT("fast-pskip")
        p->analyse.b_fast_pskip = atobool(value);
    OPT("dct-decimate")
        p->analyse.b_dct_decimate = atobool(value);
950 951 952 953
    OPT("deadzone-inter")
        p->analyse.i_luma_deadzone[0] = atoi(value);
    OPT("deadzone-intra")
        p->analyse.i_luma_deadzone[1] = atoi(value);
954 955 956 957 958 959 960
    OPT("nr")
        p->analyse.i_noise_reduction = atoi(value);
    OPT("bitrate")
    {
        p->rc.i_bitrate = atoi(value);
        p->rc.i_rc_method = X264_RC_ABR;
    }
961
    OPT2("qp", "qp_constant")
962 963 964 965 966 967
    {
        p->rc.i_qp_constant = atoi(value);
        p->rc.i_rc_method = X264_RC_CQP;
    }
    OPT("crf")
    {
968
        p->rc.f_rf_constant = atof(value);
969 970
        p->rc.i_rc_method = X264_RC_CRF;
    }
971 972
    OPT("crf-max")
        p->rc.f_rf_constant_max = atof(value);
973 974
    OPT("rc-lookahead")
        p->rc.i_lookahead = atoi(value);
975
    OPT2("qpmin", "qp-min")
976
        p->rc.i_qp_min = atoi(value);
977
    OPT2("qpmax", "qp-max")
978
        p->rc.i_qp_max = atoi(value);
979
    OPT2("qpstep", "qp-step")
980 981 982 983 984 985 986 987 988
        p->rc.i_qp_step = atoi(value);
    OPT("ratetol")
        p->rc.f_rate_tolerance = !strncmp("inf", value, 3) ? 1e9 : atof(value);
    OPT("vbv-maxrate")
        p->rc.i_vbv_max_bitrate = atoi(value);
    OPT("vbv-bufsize")
        p->rc.i_vbv_buffer_size = atoi(value);
    OPT("vbv-init")
        p->rc.f_vbv_buffer_init = atof(value);
989
    OPT2("ipratio", "ip-factor")
990
        p->rc.f_ip_factor = atof(value);
991
    OPT2("pbratio", "pb-factor")
992
        p->rc.f_pb_factor = atof(value);
993 994 995 996
    OPT("aq-mode")
        p->rc.i_aq_mode = atoi(value);
    OPT("aq-strength")
        p->rc.f_aq_strength = atof(value);
997 998
    OPT("pass")
    {
999 1000 1001
        int pass = x264_clip3( atoi(value), 0, 3 );
        p->rc.b_stat_write = pass & 1;
        p->rc.b_stat_read = pass & 2;
1002 1003 1004 1005 1006 1007 1008 1009
    }
    OPT("stats")
    {
        p->rc.psz_stat_in = strdup(value);
        p->rc.psz_stat_out = strdup(value);
    }
    OPT("qcomp")
        p->rc.f_qcompress = atof(value);
1010 1011
    OPT("mbtree")
        p->rc.b_mb_tree = atobool(value);
1012 1013
    OPT("qblur")
        p->rc.f_qblur = atof(value);
1014
    OPT2("cplxblur", "cplx-blur")
1015 1016 1017
        p->rc.f_complexity_blur = atof(value);
    OPT("zones")
        p->rc.psz_zones = strdup(value);
1018 1019 1020
    OPT("crop-rect")
        b_error |= sscanf( value, "%u,%u,%u,%u", &p->crop_rect.i_left, &p->crop_rect.i_top,
                                                 &p->crop_rect.i_right, &p->crop_rect.i_bottom ) != 4;
1021 1022
    OPT("psnr")
        p->analyse.b_psnr = atobool(value);
1023 1024
    OPT("ssim")
        p->analyse.b_ssim = atobool(value);
1025 1026 1027 1028
    OPT("aud")
        p->b_aud = atobool(value);
    OPT("sps-id")
        p->i_sps_id = atoi(value);
1029 1030
    OPT("global-header")
        p->b_repeat_headers = !atobool(value);
1031 1032
    OPT("repeat-headers")
        p->b_repeat_headers = atobool(value);
1033 1034
    OPT("annexb")
        p->b_annexb = atobool(value);
1035 1036
    OPT("force-cfr")
        p->b_vfr_input = !atobool(value);
1037 1038
    OPT("nal-hrd")
        b_error |= parse_enum( value, x264_nal_hrd_names, &p->i_nal_hrd );
Fiona Glaser's avatar
Fiona Glaser committed
1039 1040
    OPT("filler")
        p->rc.b_filler = atobool(value);
1041 1042
    OPT("pic-struct")
        p->b_pic_struct = atobool(value);
1043 1044
    OPT("fake-interlaced")
        p->b_fake_interlaced = atobool(value);
1045 1046
    OPT("frame-packing")
        p->i_frame_packing = atoi(value);
1047 1048
    OPT("stitchable")
        p->b_stitchable = atobool(value);
Steve Borho's avatar
Steve Borho committed
1049 1050 1051 1052 1053 1054
    OPT("opencl")
        p->b_opencl = atobool( value );
    OPT("opencl-clbin")
        p->psz_clbin_file = strdup( value );
    OPT("opencl-device")
        p->i_opencl_device = atoi( value );
1055 1056 1057
    else
        return X264_PARAM_BAD_NAME;
#undef OPT
1058
#undef OPT2
1059
#undef atobool
1060 1061 1062 1063 1064
#undef atoi
#undef atof

    if( name_buf )
        free( name_buf );
1065

1066
    b_error |= value_was_null && !name_was_bool;
1067 1068 1069
    return b_error ? X264_PARAM_BAD_VALUE : 0;
}

1070 1071 1072 1073 1074
/****************************************************************************
 * x264_log:
 ****************************************************************************/
void x264_log( x264_t *h, int i_level, const char *psz_fmt, ... )
{
1075
    if( !h || i_level <= h->param.i_log_level )
1076 1077 1078
    {
        va_list arg;
        va_start( arg, psz_fmt );
1079 1080 1081 1082
        if( !h )
            x264_log_default( NULL, i_level, psz_fmt, arg );
        else
            h->param.pf_log( h->param.p_log_private, i_level, psz_fmt, arg );
1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108
        va_end( arg );
    }
}

static void x264_log_default( void *p_unused, int i_level, const char *psz_fmt, va_list arg )
{
    char *psz_prefix;
    switch( i_level )
    {
        case X264_LOG_ERROR:
            psz_prefix = "error";
            break;
        case X264_LOG_WARNING:
            psz_prefix = "warning";
            break;
        case X264_LOG_INFO:
            psz_prefix = "info";
            break;
        case X264_LOG_DEBUG:
            psz_prefix = "debug";
            break;
        default:
            psz_prefix = "unknown";
            break;
    }
    fprintf( stderr, "x264 [%s]: ", psz_prefix );
Henrik Gramner's avatar
Henrik Gramner committed
1109
    x264_vfprintf( stderr, psz_fmt, arg );
1110 1111
}

1112
/****************************************************************************
1113
 * x264_picture_init:
1114
 ****************************************************************************/
1115
void x264_picture_init( x264_picture_t *pic )
1116
{
1117
    memset( pic, 0, sizeof( x264_picture_t ) );
1118
    pic->i_type = X264_TYPE_AUTO;
1119
    pic->i_qpplus1 = X264_QP_AUTO;
1120 1121 1122 1123 1124 1125 1126 1127
    pic->i_pic_struct = PIC_STRUCT_AUTO;
}

/****************************************************************************
 * x264_picture_alloc:
 ****************************************************************************/
int x264_picture_alloc( x264_picture_t *pic, int i_csp, int i_width, int i_height )
{
1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139
    typedef struct
    {
        int planes;
        int width_fix8[3];
        int height_fix8[3];
    } x264_csp_tab_t;

    static const x264_csp_tab_t x264_csp_tab[] =
    {
        [X264_CSP_I420] = { 3, { 256*1, 256/2, 256/2 }, { 256*1, 256/2, 256/2 } },
        [X264_CSP_YV12] = { 3, { 256*1, 256/2, 256/2 }, { 256*1, 256/2, 256/2 } },
        [X264_CSP_NV12] = { 2, { 256*1, 256*1 },        { 256*1, 256/2 },       },
Henrik Gramner's avatar
Henrik Gramner committed
1140 1141 1142
        [X264_CSP_I422] = { 3, { 256*1, 256/2, 256/2 }, { 256*1, 256*1, 256*1 } },
        [X264_CSP_YV16] = { 3, { 256*1, 256/2, 256/2 }, { 256*1, 256*1, 256*1 } },
        [X264_CSP_NV16] = { 2, { 256*1, 256*1 },        { 256*1, 256*1 },       },
1143 1144 1145 1146 1147 1148 1149
        [X264_CSP_I444] = { 3, { 256*1, 256*1, 256*1 }, { 256*1, 256*1, 256*1 } },
        [X264_CSP_YV24] = { 3, { 256*1, 256*1, 256*1 }, { 256*1, 256*1, 256*1 } },
        [X264_CSP_BGR]  = { 1, { 256*3 },               { 256*1 },              },
        [X264_CSP_BGRA] = { 1, { 256*4 },               { 256*1 },              },
        [X264_CSP_RGB]  = { 1, { 256*3 },               { 256*1 },              },
    };

1150 1151 1152
    int csp = i_csp & X264_CSP_MASK;
    if( csp <= X264_CSP_NONE || csp >= X264_CSP_MAX )
        return -1;
1153
    x264_picture_init( pic );
1154
    pic->img.i_csp = i_csp;
1155
    pic->img.i_plane = x264_csp_tab[csp].planes;
1156
    int depth_factor = i_csp & X264_CSP_HIGH_DEPTH ? 2 : 1;
1157 1158 1159
    int plane_offset[3] = {0};
    int frame_size = 0;
    for( int i = 0; i < pic->img.i_plane; i++ )
1160
    {
1161 1162 1163 1164 1165
        int stride = (((int64_t)i_width * x264_csp_tab[csp].width_fix8[i]) >> 8) * depth_factor;
        int plane_size = (((int64_t)i_height * x264_csp_tab[csp].height_fix8[i]) >> 8) * stride;
        pic->img.i_stride[i] = stride;
        plane_offset[i] = frame_size;
        frame_size += plane_size;
1166
    }
1167 1168 1169 1170 1171
    pic->img.plane[0] = x264_malloc( frame_size );
    if( !pic->img.plane[0] )
        return -1;
    for( int i = 1; i < pic->img.i_plane; i++ )
        pic->img.plane[i] = pic->img.plane[0] + plane_offset[i];
1172
    return 0;
1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190
}

/****************************************************************************
 * x264_picture_clean:
 ****************************************************************************/
void x264_picture_clean( x264_picture_t *pic )
{
    x264_free( pic->img.plane[0] );

    /* just to be safe */
    memset( pic, 0, sizeof( x264_picture_t ) );
}

/****************************************************************************
 * x264_malloc:
 ****************************************************************************/
void *x264_malloc( int i_size )
{
1191
    uint8_t *align_buf = NULL;
1192
#if HAVE_MALLOC_H
1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211
#if HAVE_THP
#define HUGE_PAGE_SIZE 2*1024*1024
#define HUGE_PAGE_THRESHOLD HUGE_PAGE_SIZE*7/8 /* FIXME: Is this optimal? */
    /* Attempt to allocate huge pages to reduce TLB misses. */
    if( i_size >= HUGE_PAGE_THRESHOLD )
    {
        align_buf = memalign( HUGE_PAGE_SIZE, i_size );
        if( align_buf )
        {
            /* Round up to the next huge page boundary if we are close enough. */
            size_t madv_size = (i_size + HUGE_PAGE_SIZE - HUGE_PAGE_THRESHOLD) & ~(HUGE_PAGE_SIZE-1);
            madvise( align_buf, madv_size, MADV_HUGEPAGE );
        }
    }
    else
#undef HUGE_PAGE_SIZE
#undef HUGE_PAGE_THRESHOLD
#endif
        align_buf = memalign( NATIVE_ALIGN, i_size );
1212
#else
1213
    uint8_t *buf = malloc( i_size + (NATIVE_ALIGN-1) + sizeof(void **) );
1214 1215
    if( buf )
    {
1216 1217
        align_buf = buf + (NATIVE_ALIGN-1) + sizeof(void **);
        align_buf -= (intptr_t) align_buf & (NATIVE_ALIGN-1);
1218 1219
        *( (void **) ( align_buf - sizeof(void **) ) ) = buf;
    }
1220
#endif
1221 1222 1223
    if( !align_buf )
        x264_log( NULL, X264_LOG_ERROR, "malloc of size %d failed\n", i_size );
    return align_buf;
1224 1225 1226 1227 1228 1229 1230 1231 1232
}

/****************************************************************************
 * x264_free:
 ****************************************************************************/
void x264_free( void *p )
{
    if( p )
    {
1233
#if HAVE_MALLOC_H
1234 1235 1236 1237 1238 1239 1240
        free( p );
#else
        free( *( ( ( void **) p ) - 1 ) );
#endif
    }
}

1241 1242 1243
/****************************************************************************
 * x264_reduce_fraction:
 ****************************************************************************/
Fiona Glaser's avatar
Fiona Glaser committed
1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260
#define REDUCE_FRACTION( name, type )\
void name( type *n, type *d )\
{                   \
    type a = *n;    \
    type b = *d;    \
    type c;         \
    if( !a || !b )  \
        return;     \
    c = a % b;      \
    while( c )      \
    {               \
        a = b;      \
        b = c;      \
        c = a % b;  \
    }               \
    *n /= b;        \
    *d /= b;        \
1261 1262
}

Fiona Glaser's avatar
Fiona Glaser committed
1263 1264 1265
REDUCE_FRACTION( x264_reduce_fraction  , uint32_t )
REDUCE_FRACTION( x264_reduce_fraction64, uint64_t )

1266 1267 1268 1269 1270 1271
/****************************************************************************
 * x264_slurp_file:
 ****************************************************************************/
char *x264_slurp_file( const char *filename )
{
    int b_error = 0;
1272
    size_t i_size;
1273
    char *buf;
Henrik Gramner's avatar
Henrik Gramner committed
1274
    FILE *fh = x264_fopen( filename, "rb" );
1275 1276 1277 1278 1279 1280
    if( !fh )
        return NULL;
    b_error |= fseek( fh, 0, SEEK_END ) < 0;
    b_error |= ( i_size = ftell( fh ) ) <= 0;
    b_error |= fseek( fh, 0, SEEK_SET ) < 0;
    if( b_error )
1281
        goto error;
1282
    buf = x264_malloc( i_size+2 );
1283 1284
    if( !buf )
        goto error;
1285 1286 1287 1288 1289 1290 1291 1292 1293 1294 1295
    b_error |= fread( buf, 1, i_size, fh ) != i_size;
    if( buf[i_size-1] != '\n' )
        buf[i_size++] = '\n';
    buf[i_size] = 0;
    fclose( fh );
    if( b_error )
    {
        x264_free( buf );
        return NULL;
    }
    return buf;
1296 1297 1298
error:
    fclose( fh );
    return NULL;
1299
}
1300 1301 1302 1303 1304 1305

/****************************************************************************
 * x264_param2string:
 ****************************************************************************/
char *x264_param2string( x264_param_t *p, int b_res )
{
1306 1307 1308 1309 1310
    int len = 1000;
    char *buf, *s;
    if( p->rc.psz_zones )
        len += strlen(p->rc.psz_zones);
    buf = s = x264_malloc( len );
1311 1312
    if( !buf )
        return NULL;
1313 1314 1315 1316

    if( b_res )
    {
        s += sprintf( s, "%dx%d ", p->i_width, p->i_height );
1317 1318
        s += sprintf( s, "fps=%u/%u ", p->i_fps_num, p->i_fps_den );
        s += sprintf( s, "timebase=%u/%u ", p->i_timebase_num, p->i_timebase_den );
1319
        s += sprintf( s, "bitdepth=%d ", BIT_DEPTH );
1320 1321
    }

Steve Borho's avatar
Steve Borho committed
1322
    if( p->b_opencl )
1323 1324
        s += sprintf( s, "opencl=%d ", p->b_opencl );
    s += sprintf( s, "cabac=%d", p->b_cabac );
1325 1326 1327 1328 1329 1330
    s += sprintf( s, " ref=%d", p->i_frame_reference );
    s += sprintf( s, " deblock=%d:%d:%d", p->b_deblocking_filter,
                  p->i_deblocking_filter_alphac0, p->i_deblocking_filter_beta );
    s += sprintf( s, " analyse=%#x:%#x", p->analyse.intra, p->analyse.inter );
    s += sprintf( s, " me=%s", x264_motion_est_names[ p->analyse.i_me_method ] );
    s += sprintf( s, " subme=%d", p->analyse.i_subpel_refine );
1331 1332
    s += sprintf( s, " psy=%d", p->analyse.b_psy );
    if( p->analyse.b_psy )
1333
        s += sprintf( s, " psy_rd=%.2f:%.2f", p->analyse.f_psy_rd, p->analyse.f_psy_trellis );
1334 1335 1336 1337 1338 1339
    s += sprintf( s, " mixed_ref=%d", p->analyse.b_mixed_references );
    s += sprintf( s, " me_range=%d", p->analyse.i_me_range );
    s += sprintf( s, " chroma_me=%d", p->analyse.b_chroma_me );
    s += sprintf( s, " trellis=%d", p->analyse.i_trellis );
    s += sprintf( s, " 8x8dct=%d", p->analyse.b_transform_8x8 );
    s += sprintf( s, " cqm=%d", p->i_cqm_preset );
1340
    s += sprintf( s, " deadzone=%d,%d", p->analyse.i_luma_deadzone[0], p->analyse.i_luma_deadzone[1] );
1341
    s += sprintf( s, " fast_pskip=%d", p->analyse.b_fast_pskip );
1342
    s += sprintf( s, " chroma_qp_offset=%d", p->analyse.i_chroma_qp_offset );
Loren Merritt's avatar
Loren Merritt committed
1343
    s += sprintf( s, " threads=%d", p->i_threads );
Fiona Glaser's avatar
Fiona Glaser committed
1344
    s += sprintf( s, " lookahead_threads=%d", p->i_lookahead_threads );
1345
    s += sprintf( s, " sliced_threads=%d", p->b_sliced_threads );
1346 1347
    if( p->i_slice_count )
        s += sprintf( s, " slices=%d", p->i_slice_count );
Fiona Glaser's avatar
Fiona Glaser committed
1348 1349
    if( p->i_slice_count_max )
        s += sprintf( s, " slices_max=%d", p->i_slice_count_max );
1350 1351 1352 1353
    if( p->i_slice_max_size )
        s += sprintf( s, " slice_max_size=%d", p->i_slice_max_size );
    if( p->i_slice_max_mbs )
        s += sprintf( s, " slice_max_mbs=%d", p->i_slice_max_mbs );
Fiona Glaser's avatar
Fiona Glaser committed
1354 1355
    if( p->i_slice_min_mbs )
        s += sprintf( s, " slice_min_mbs=%d", p->i_slice_min_mbs );
1356
    s += sprintf( s, " nr=%d", p->analyse.i_noise_reduction );
1357
    s += sprintf( s, " decimate=%d", p->analyse.b_dct_decimate );
1358
    s += sprintf( s, " interlaced=%s", p->b_interlaced ? p->b_tff ? "tff" : "bff" : p->b_fake_interlaced ? "fake" : "0" );
1359
    s += sprintf( s, " bluray_compat=%d", p->b_bluray_compat );
1360 1361
    if( p->b_stitchable )
        s += sprintf( s, " stitchable=%d", p->b_stitchable );
1362

1363
    s += sprintf( s, " constrained_intra=%d", p->b_constrained_intra );
1364 1365 1366 1367

    s += sprintf( s, " bframes=%d", p->i_bframe );
    if( p->i_bframe )
    {
Lamont Alston's avatar
Lamont Alston committed
1368
        s += sprintf( s, " b_pyramid=%d b_adapt=%d b_bias=%d direct=%d weightb=%d open_gop=%d",