/***************************************************************************** * base.c: misc common functions (bit depth independent) ***************************************************************************** * Copyright (C) 2003-2022 x264 project * * Authors: Loren Merritt * Laurent Aimar * * 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 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111, USA. * * This program is also available under a commercial proprietary license. * For more information, contact us at licensing@x264.com. *****************************************************************************/ #include "base.h" #include #if HAVE_MALLOC_H #include #endif #if HAVE_THP #include #endif #define X264_ISDIGIT(x) isdigit((unsigned char)(x)) /**************************************************************************** * x264_reduce_fraction: ****************************************************************************/ #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; \ } REDUCE_FRACTION( x264_reduce_fraction , uint32_t ) REDUCE_FRACTION( x264_reduce_fraction64, uint64_t ) /**************************************************************************** * x264_log: ****************************************************************************/ 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 ); x264_vfprintf( stderr, psz_fmt, arg ); } void x264_log_internal( int i_level, const char *psz_fmt, ... ) { va_list arg; va_start( arg, psz_fmt ); x264_log_default( NULL, i_level, psz_fmt, arg ); va_end( arg ); } /**************************************************************************** * x264_malloc: ****************************************************************************/ void *x264_malloc( int64_t i_size ) { #define HUGE_PAGE_SIZE 2*1024*1024 #define HUGE_PAGE_THRESHOLD HUGE_PAGE_SIZE*7/8 /* FIXME: Is this optimal? */ if( i_size < 0 || (uint64_t)i_size > (SIZE_MAX - HUGE_PAGE_SIZE) /*|| (uint64_t)i_size > (SIZE_MAX - NATIVE_ALIGN - sizeof(void **))*/ ) { x264_log_internal( X264_LOG_ERROR, "invalid size of malloc: %"PRId64"\n", i_size ); return NULL; } uint8_t *align_buf = NULL; #if HAVE_MALLOC_H #if HAVE_THP /* 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 #endif align_buf = memalign( NATIVE_ALIGN, i_size ); #else uint8_t *buf = malloc( i_size + (NATIVE_ALIGN-1) + sizeof(void **) ); if( buf ) { align_buf = buf + (NATIVE_ALIGN-1) + sizeof(void **); align_buf -= (intptr_t) align_buf & (NATIVE_ALIGN-1); *( (void **) ( align_buf - sizeof(void **) ) ) = buf; } #endif if( !align_buf ) x264_log_internal( X264_LOG_ERROR, "malloc of size %"PRId64" failed\n", i_size ); return align_buf; #undef HUGE_PAGE_SIZE #undef HUGE_PAGE_THRESHOLD } /**************************************************************************** * x264_free: ****************************************************************************/ void x264_free( void *p ) { if( p ) { #if HAVE_MALLOC_H free( p ); #else free( *( ( ( void **) p ) - 1 ) ); #endif } } /**************************************************************************** * x264_slurp_file: ****************************************************************************/ char *x264_slurp_file( const char *filename ) { int b_error = 0; int64_t i_size; char *buf; FILE *fh = x264_fopen( filename, "rb" ); if( !fh ) return NULL; b_error |= fseek( fh, 0, SEEK_END ) < 0; b_error |= ( i_size = ftell( fh ) ) <= 0; if( WORD_SIZE == 4 ) b_error |= i_size > INT32_MAX; b_error |= fseek( fh, 0, SEEK_SET ) < 0; if( b_error ) goto error; buf = x264_malloc( i_size+2 ); if( !buf ) goto error; b_error |= fread( buf, 1, i_size, fh ) != (uint64_t)i_size; fclose( fh ); if( b_error ) { x264_free( buf ); return NULL; } if( buf[i_size-1] != '\n' ) buf[i_size++] = '\n'; buf[i_size] = '\0'; return buf; error: fclose( fh ); return NULL; } /**************************************************************************** * x264_param_strdup: ****************************************************************************/ typedef struct { int size; int count; void *ptr[]; } strdup_buffer; #define BUFFER_OFFSET (int)offsetof(strdup_buffer, ptr) #define BUFFER_DEFAULT_SIZE 16 char *x264_param_strdup( x264_param_t *param, const char *src ) { strdup_buffer *buf = param->opaque; if( !buf ) { buf = malloc( BUFFER_OFFSET + BUFFER_DEFAULT_SIZE * sizeof(void *) ); if( !buf ) goto fail; buf->size = BUFFER_DEFAULT_SIZE; buf->count = 0; param->opaque = buf; } else if( buf->count == buf->size ) { if( buf->size > (INT_MAX - BUFFER_OFFSET) / 2 / (int)sizeof(void *) ) goto fail; int new_size = buf->size * 2; buf = realloc( buf, BUFFER_OFFSET + new_size * sizeof(void *) ); if( !buf ) goto fail; buf->size = new_size; param->opaque = buf; } char *res = strdup( src ); if( !res ) goto fail; buf->ptr[buf->count++] = res; return res; fail: x264_log_internal( X264_LOG_ERROR, "x264_param_strdup failed\n" ); return NULL; } /**************************************************************************** * x264_param_cleanup: ****************************************************************************/ REALIGN_STACK void x264_param_cleanup( x264_param_t *param ) { strdup_buffer *buf = param->opaque; if( buf ) { for( int i = 0; i < buf->count; i++ ) free( buf->ptr[i] ); free( buf ); param->opaque = NULL; } } /**************************************************************************** * x264_picture_init: ****************************************************************************/ REALIGN_STACK void x264_picture_init( x264_picture_t *pic ) { memset( pic, 0, sizeof( x264_picture_t ) ); pic->i_type = X264_TYPE_AUTO; pic->i_qpplus1 = X264_QP_AUTO; pic->i_pic_struct = PIC_STRUCT_AUTO; } /**************************************************************************** * x264_picture_alloc: ****************************************************************************/ REALIGN_STACK int x264_picture_alloc( x264_picture_t *pic, int i_csp, int i_width, int i_height ) { typedef struct { int planes; int width_fix8[3]; int height_fix8[3]; } x264_csp_tab_t; static const x264_csp_tab_t csp_tab[] = { [X264_CSP_I400] = { 1, { 256*1 }, { 256*1 } }, [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 }, }, [X264_CSP_NV21] = { 2, { 256*1, 256*1 }, { 256*1, 256/2 }, }, [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 }, }, [X264_CSP_YUYV] = { 1, { 256*2 }, { 256*1 }, }, [X264_CSP_UYVY] = { 1, { 256*2 }, { 256*1 }, }, [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 }, }, }; int csp = i_csp & X264_CSP_MASK; if( csp <= X264_CSP_NONE || csp >= X264_CSP_MAX || csp == X264_CSP_V210 ) return -1; x264_picture_init( pic ); pic->img.i_csp = i_csp; pic->img.i_plane = csp_tab[csp].planes; int depth_factor = i_csp & X264_CSP_HIGH_DEPTH ? 2 : 1; int64_t plane_offset[3] = {0}; int64_t frame_size = 0; for( int i = 0; i < pic->img.i_plane; i++ ) { int stride = (((int64_t)i_width * csp_tab[csp].width_fix8[i]) >> 8) * depth_factor; int64_t plane_size = (((int64_t)i_height * csp_tab[csp].height_fix8[i]) >> 8) * stride; pic->img.i_stride[i] = stride; plane_offset[i] = frame_size; frame_size += plane_size; } 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]; return 0; } /**************************************************************************** * x264_picture_clean: ****************************************************************************/ REALIGN_STACK 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_param_default: ****************************************************************************/ REALIGN_STACK void x264_param_default( x264_param_t *param ) { /* */ memset( param, 0, sizeof( x264_param_t ) ); /* CPU autodetect */ param->cpu = x264_cpu_detect(); param->i_threads = X264_THREADS_AUTO; param->i_lookahead_threads = X264_THREADS_AUTO; param->b_deterministic = 1; param->i_sync_lookahead = X264_SYNC_LOOKAHEAD_AUTO; /* Video properties */ param->i_csp = X264_CHROMA_FORMAT ? X264_CHROMA_FORMAT : X264_CSP_I420; param->i_width = 0; param->i_height = 0; param->vui.i_sar_width = 0; param->vui.i_sar_height= 0; param->vui.i_overscan = 0; /* undef */ param->vui.i_vidformat = 5; /* undef */ param->vui.b_fullrange = -1; /* default depends on input */ param->vui.i_colorprim = 2; /* undef */ param->vui.i_transfer = 2; /* undef */ param->vui.i_colmatrix = -1; /* default depends on input */ param->vui.i_chroma_loc= 0; /* left center */ param->i_fps_num = 25; param->i_fps_den = 1; param->i_level_idc = -1; param->i_slice_max_size = 0; param->i_slice_max_mbs = 0; param->i_slice_count = 0; #if HAVE_BITDEPTH8 param->i_bitdepth = 8; #elif HAVE_BITDEPTH10 param->i_bitdepth = 10; #else param->i_bitdepth = 8; #endif /* Encoder parameters */ param->i_frame_reference = 3; param->i_keyint_max = 250; param->i_keyint_min = X264_KEYINT_MIN_AUTO; param->i_bframe = 3; param->i_scenecut_threshold = 40; param->i_bframe_adaptive = X264_B_ADAPT_FAST; param->i_bframe_bias = 0; param->i_bframe_pyramid = X264_B_PYRAMID_NORMAL; param->b_interlaced = 0; param->b_constrained_intra = 0; param->b_deblocking_filter = 1; param->i_deblocking_filter_alphac0 = 0; param->i_deblocking_filter_beta = 0; param->b_cabac = 1; param->i_cabac_init_idc = 0; param->rc.i_rc_method = X264_RC_CRF; param->rc.i_bitrate = 0; 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; param->rc.i_qp_constant = -1; param->rc.f_rf_constant = 23; param->rc.i_qp_min = 0; param->rc.i_qp_max = INT_MAX; param->rc.i_qp_step = 4; param->rc.f_ip_factor = 1.4; param->rc.f_pb_factor = 1.3; param->rc.i_aq_mode = X264_AQ_VARIANCE; param->rc.f_aq_strength = 1.0; param->rc.i_lookahead = 40; 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; param->rc.f_complexity_blur = 20; param->rc.i_zones = 0; param->rc.b_mb_tree = 1; /* Log */ param->pf_log = x264_log_default; param->p_log_private = NULL; param->i_log_level = X264_LOG_INFO; /* */ param->analyse.intra = X264_ANALYSE_I4x4 | X264_ANALYSE_I8x8; param->analyse.inter = X264_ANALYSE_I4x4 | X264_ANALYSE_I8x8 | X264_ANALYSE_PSUB16x16 | X264_ANALYSE_BSUB16x16; param->analyse.i_direct_mv_pred = X264_DIRECT_PRED_SPATIAL; param->analyse.i_me_method = X264_ME_HEX; param->analyse.f_psy_rd = 1.0; param->analyse.b_psy = 1; param->analyse.f_psy_trellis = 0; param->analyse.i_me_range = 16; param->analyse.i_subpel_refine = 7; param->analyse.b_mixed_references = 1; param->analyse.b_chroma_me = 1; param->analyse.i_mv_range_thread = -1; param->analyse.i_mv_range = -1; // set from level_idc param->analyse.i_chroma_qp_offset = 0; param->analyse.b_fast_pskip = 1; param->analyse.b_weighted_bipred = 1; param->analyse.i_weighted_pred = X264_WEIGHTP_SMART; param->analyse.b_dct_decimate = 1; param->analyse.b_transform_8x8 = 1; param->analyse.i_trellis = 1; param->analyse.i_luma_deadzone[0] = 21; param->analyse.i_luma_deadzone[1] = 11; param->analyse.b_psnr = 0; param->analyse.b_ssim = 0; param->i_cqm_preset = X264_CQM_FLAT; memset( param->cqm_4iy, 16, sizeof( param->cqm_4iy ) ); memset( param->cqm_4py, 16, sizeof( param->cqm_4py ) ); memset( param->cqm_4ic, 16, sizeof( param->cqm_4ic ) ); 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 ) ); memset( param->cqm_8ic, 16, sizeof( param->cqm_8ic ) ); memset( param->cqm_8pc, 16, sizeof( param->cqm_8pc ) ); param->b_repeat_headers = 1; param->b_annexb = 1; param->b_aud = 0; param->b_vfr_input = 1; param->i_nal_hrd = X264_NAL_HRD_NONE; param->b_tff = 1; param->b_pic_struct = 0; param->b_fake_interlaced = 0; param->i_frame_packing = -1; param->i_alternative_transfer = 2; /* undef */ param->b_opencl = 0; param->i_opencl_device = 0; param->opencl_device_id = NULL; param->psz_clbin_file = NULL; param->i_avcintra_class = 0; param->i_avcintra_flavor = X264_AVCINTRA_FLAVOR_PANASONIC; } static int param_apply_preset( x264_param_t *param, const char *preset ) { char *end; int i = strtol( preset, &end, 10 ); if( *end == 0 && i >= 0 && i < ARRAY_ELEMS(x264_preset_names)-1 ) preset = x264_preset_names[i]; 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; param->analyse.b_weighted_bipred = 0; param->rc.i_lookahead = 0; } else if( !strcasecmp( preset, "superfast" ) ) { 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; param->analyse.i_weighted_pred = X264_WEIGHTP_SIMPLE; param->rc.i_lookahead = 0; } else if( !strcasecmp( preset, "veryfast" ) ) { param->analyse.i_subpel_refine = 2; param->i_frame_reference = 1; param->analyse.b_mixed_references = 0; param->analyse.i_trellis = 0; param->analyse.i_weighted_pred = X264_WEIGHTP_SIMPLE; param->rc.i_lookahead = 10; } else if( !strcasecmp( preset, "faster" ) ) { param->analyse.b_mixed_references = 0; param->i_frame_reference = 2; param->analyse.i_subpel_refine = 4; param->analyse.i_weighted_pred = X264_WEIGHTP_SIMPLE; param->rc.i_lookahead = 20; } else if( !strcasecmp( preset, "fast" ) ) { param->i_frame_reference = 2; param->analyse.i_subpel_refine = 6; param->analyse.i_weighted_pred = X264_WEIGHTP_SIMPLE; param->rc.i_lookahead = 30; } else if( !strcasecmp( preset, "medium" ) ) { /* Default is medium */ } else if( !strcasecmp( preset, "slow" ) ) { param->analyse.i_subpel_refine = 8; param->i_frame_reference = 5; param->analyse.i_direct_mv_pred = X264_DIRECT_PRED_AUTO; param->analyse.i_trellis = 2; 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; param->analyse.i_subpel_refine = 11; 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 { x264_log_internal( X264_LOG_ERROR, "invalid preset '%s'\n", preset ); return -1; } return 0; } static int param_apply_tune( x264_param_t *param, const char *tune ) { int psy_tuning_used = 0; for( int len; tune += strspn( tune, ",./-+" ), (len = strcspn( tune, ",./-+" )); tune += len ) { if( len == 4 && !strncasecmp( tune, "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( len == 9 && !strncasecmp( tune, "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( len == 5 && !strncasecmp( tune, "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; } else if( len == 10 && !strncasecmp( tune, "stillimage", 10 ) ) { 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; } else if( len == 4 && !strncasecmp( tune, "psnr", 4 ) ) { if( psy_tuning_used++ ) goto psy_failure; param->rc.i_aq_mode = X264_AQ_NONE; param->analyse.b_psy = 0; } else if( len == 4 && !strncasecmp( tune, "ssim", 4 ) ) { if( psy_tuning_used++ ) goto psy_failure; param->rc.i_aq_mode = X264_AQ_AUTOVARIANCE; param->analyse.b_psy = 0; } else if( len == 10 && !strncasecmp( tune, "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( len == 11 && !strncasecmp( tune, "zerolatency", 11 ) ) { param->rc.i_lookahead = 0; param->i_sync_lookahead = 0; param->i_bframe = 0; param->b_sliced_threads = 1; param->b_vfr_input = 0; param->rc.b_mb_tree = 0; } else if( len == 6 && !strncasecmp( tune, "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 { x264_log_internal( X264_LOG_ERROR, "invalid tune '%.*s'\n", len, tune ); return -1; psy_failure: x264_log_internal( X264_LOG_WARNING, "only 1 psy tuning can be used: ignoring tune %.*s\n", len, tune ); } } return 0; } REALIGN_STACK int x264_param_default_preset( x264_param_t *param, const char *preset, const char *tune ) { x264_param_default( param ); if( preset && param_apply_preset( param, preset ) < 0 ) return -1; if( tune && param_apply_tune( param, tune ) < 0 ) return -1; return 0; } REALIGN_STACK void x264_param_apply_fastfirstpass( x264_param_t *param ) { /* Set faster options in case of turbo firstpass. */ if( param->rc.b_stat_write && !param->rc.b_stat_read ) { 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; param->analyse.b_fast_pskip = 1; } } 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; } REALIGN_STACK int x264_param_apply_profile( x264_param_t *param, const char *profile ) { if( !profile ) return 0; const int qp_bd_offset = 6 * (param->i_bitdepth-8); int p = profile_string_to_int( profile ); if( p < 0 ) { x264_log_internal( 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_internal( 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_internal( 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_internal( X264_LOG_ERROR, "%s profile doesn't support 4:2:2\n", profile ); return -1; } if( p < PROFILE_HIGH10 && param->i_bitdepth > 8 ) { x264_log_internal( X264_LOG_ERROR, "%s profile doesn't support a bit depth of %d\n", profile, param->i_bitdepth ); return -1; } if( p < PROFILE_HIGH && (param->i_csp & X264_CSP_MASK) == X264_CSP_I400 ) { x264_log_internal( X264_LOG_ERROR, "%s profile doesn't support 4:0:0\n", profile ); return -1; } if( p == PROFILE_BASELINE ) { param->analyse.b_transform_8x8 = 0; param->b_cabac = 0; param->i_cqm_preset = X264_CQM_FLAT; param->psz_cqm_file = NULL; param->i_bframe = 0; param->analyse.i_weighted_pred = X264_WEIGHTP_NONE; if( param->b_interlaced ) { x264_log_internal( X264_LOG_ERROR, "baseline profile doesn't support interlacing\n" ); return -1; } if( param->b_fake_interlaced ) { x264_log_internal( X264_LOG_ERROR, "baseline profile doesn't support fake interlacing\n" ); return -1; } } else if( p == PROFILE_MAIN ) { param->analyse.b_transform_8x8 = 0; param->i_cqm_preset = X264_CQM_FLAT; param->psz_cqm_file = NULL; } return 0; } static int parse_enum( const char *arg, const char * const *names, int *dst ) { for( int i = 0; names[i]; i++ ) if( *names[i] && !strcasecmp( 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; } static int atobool_internal( const char *str, int *b_error ) { if( !strcmp(str, "1") || !strcasecmp(str, "true") || !strcasecmp(str, "yes") ) return 1; if( !strcmp(str, "0") || !strcasecmp(str, "false") || !strcasecmp(str, "no") ) return 0; *b_error = 1; return 0; } static int atoi_internal( const char *str, int *b_error ) { char *end; int v = strtol( str, &end, 0 ); if( end == str || *end != '\0' ) *b_error = 1; return v; } static double atof_internal( 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, atobool_internal( str, &b_error ) ) #undef atoi #undef atof #define atoi(str) atoi_internal( str, &b_error ) #define atof(str) atof_internal( str, &b_error ) #define CHECKED_ERROR_PARAM_STRDUP( var, param, src )\ do {\ var = x264_param_strdup( param, src );\ if( !var )\ {\ b_error = 1;\ errortype = X264_PARAM_ALLOC_FAILED;\ }\ } while( 0 ) REALIGN_STACK int x264_param_parse( x264_param_t *p, const char *name, const char *value ) { char *name_buf = NULL; int b_error = 0; int errortype = X264_PARAM_BAD_VALUE; int name_was_bool; int value_was_null = !value; if( !name ) return X264_PARAM_BAD_NAME; if( !value ) value = "true"; if( value[0] == '=' ) value++; if( strchr( name, '_' ) ) // s/_/-/g { char *c; name_buf = strdup(name); if( !name_buf ) return X264_PARAM_ALLOC_FAILED; while( (c = strchr( name_buf, '_' )) ) *c = '-'; name = name_buf; } if( !strncmp( name, "no", 2 ) ) { name += 2; if( name[0] == '-' ) name++; value = atobool(value) ? "false" : "true"; } name_was_bool = 0; #define OPT(STR) else if( !strcmp( name, STR ) ) #define OPT2(STR0, STR1) else if( !strcmp( name, STR0 ) || !strcmp( name, STR1 ) ) if( 0 ); OPT("asm") { p->cpu = X264_ISDIGIT(value[0]) ? (uint32_t)atoi(value) : !strcasecmp(value, "auto") || atobool(value) ? x264_cpu_detect() : 0; if( b_error ) { char *buf = strdup( value ); if( buf ) { char *tok, UNUSED *saveptr=NULL, *init; b_error = 0; p->cpu = 0; for( init=buf; (tok=strtok_r(init, ",", &saveptr)); init=NULL ) { int i = 0; while( 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 ); if( (p->cpu&X264_CPU_SSSE3) && !(p->cpu&X264_CPU_SSE2_IS_SLOW) ) p->cpu |= X264_CPU_SSE2_IS_FAST; } else errortype = X264_PARAM_ALLOC_FAILED; } } OPT("threads") { if( !strcasecmp(value, "auto") ) p->i_threads = X264_THREADS_AUTO; else p->i_threads = atoi(value); } OPT("lookahead-threads") { if( !strcasecmp(value, "auto") ) p->i_lookahead_threads = X264_THREADS_AUTO; else p->i_lookahead_threads = atoi(value); } OPT("sliced-threads") p->b_sliced_threads = atobool(value); OPT("sync-lookahead") { if( !strcasecmp(value, "auto") ) p->i_sync_lookahead = X264_SYNC_LOOKAHEAD_AUTO; else p->i_sync_lookahead = atoi(value); } OPT2("deterministic", "n-deterministic") p->b_deterministic = atobool(value); OPT("cpu-independent") p->b_cpu_independent = atobool(value); OPT2("level", "level-idc") { if( !strcmp(value, "1b") ) p->i_level_idc = 9; else if( atof(value) < 7 ) p->i_level_idc = (int)(10*atof(value)+.5); else p->i_level_idc = atoi(value); } OPT("bluray-compat") p->b_bluray_compat = atobool(value); OPT("avcintra-class") p->i_avcintra_class = atoi(value); OPT("avcintra-flavor") b_error |= parse_enum( value, x264_avcintra_flavor_names, &p->i_avcintra_flavor ); 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 ); OPT("videoformat") 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 ); OPT("colorprim") 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 ); OPT("colormatrix") 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("mastering-display") { if( strcasecmp( value, "undef" ) ) { b_error |= sscanf( value, "G(%d,%d)B(%d,%d)R(%d,%d)WP(%d,%d)L(%"SCNd64",%"SCNd64")", &p->mastering_display.i_green_x, &p->mastering_display.i_green_y, &p->mastering_display.i_blue_x, &p->mastering_display.i_blue_y, &p->mastering_display.i_red_x, &p->mastering_display.i_red_y, &p->mastering_display.i_white_x, &p->mastering_display.i_white_y, &p->mastering_display.i_display_max, &p->mastering_display.i_display_min ) != 10; p->mastering_display.b_mastering_display = !b_error; } else p->mastering_display.b_mastering_display = 0; } OPT("cll") { if( strcasecmp( value, "undef" ) ) { b_error |= sscanf( value, "%d,%d", &p->content_light_level.i_max_cll, &p->content_light_level.i_max_fall ) != 2; p->content_light_level.b_cll = !b_error; } else p->content_light_level.b_cll = 0; } OPT("alternative-transfer") b_error |= parse_enum( value, x264_transfer_names, &p->i_alternative_transfer ); OPT("fps") { int64_t i_fps_num; int64_t i_fps_den; if( sscanf( value, "%"SCNd64"/%"SCNd64, &i_fps_num, &i_fps_den ) == 2 ) { p->i_fps_num = i_fps_num; p->i_fps_den = i_fps_den; b_error |= i_fps_num < 1 || i_fps_num > UINT32_MAX || i_fps_den < 1 || i_fps_den > UINT32_MAX; } else { double fps = atof(value); if( fps < 0.0005 || fps > INT_MAX ) b_error = 1; else if( fps <= INT_MAX/1000.0 ) { p->i_fps_num = (int)(fps * 1000.0 + .5); p->i_fps_den = 1000; } else { p->i_fps_num = atoi(value); p->i_fps_den = 1; } } } OPT2("ref", "frameref") p->i_frame_reference = atoi(value); OPT("dpb-size") p->i_dpb_size = atoi(value); OPT("keyint") { if( strstr( value, "infinite" ) ) p->i_keyint_max = X264_KEYINT_MAX_INFINITE; else p->i_keyint_max = atoi(value); } OPT2("min-keyint", "keyint-min") { 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") { p->i_scenecut_threshold = atobool(value); if( b_error || p->i_scenecut_threshold ) { b_error = 0; p->i_scenecut_threshold = atoi(value); } } OPT("intra-refresh") p->b_intra_refresh = atobool(value); OPT("bframes") p->i_bframe = atoi(value); OPT("b-adapt") { p->i_bframe_adaptive = atobool(value); if( b_error ) { b_error = 0; p->i_bframe_adaptive = atoi(value); } } OPT("b-bias") p->i_bframe_bias = atoi(value); OPT("b-pyramid") { b_error |= parse_enum( value, x264_b_pyramid_names, &p->i_bframe_pyramid ); if( b_error ) { b_error = 0; p->i_bframe_pyramid = atoi(value); } } OPT("open-gop") p->b_open_gop = atobool(value); OPT("nf") p->b_deblocking_filter = !atobool(value); OPT2("filter", "deblock") { 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 ) ) { p->b_deblocking_filter = 1; } 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; } else p->b_deblocking_filter = atobool(value); } OPT("slice-max-size") p->i_slice_max_size = atoi(value); OPT("slice-max-mbs") p->i_slice_max_mbs = atoi(value); OPT("slice-min-mbs") p->i_slice_min_mbs = atoi(value); OPT("slices") p->i_slice_count = atoi(value); OPT("slices-max") p->i_slice_count_max = atoi(value); OPT("cabac") p->b_cabac = atobool(value); OPT("cabac-idc") p->i_cabac_init_idc = atoi(value); OPT("interlaced") p->b_interlaced = atobool(value); OPT("tff") p->b_interlaced = p->b_tff = atobool(value); OPT("bff") { p->b_interlaced = atobool(value); p->b_tff = !p->b_interlaced; } OPT("constrained-intra") p->b_constrained_intra = atobool(value); 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 CHECKED_ERROR_PARAM_STRDUP( p->psz_cqm_file, p, value ); } OPT("cqmfile") CHECKED_ERROR_PARAM_STRDUP( p->psz_cqm_file, p, 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 ); b_error |= parse_cqm( value, p->cqm_4ic, 16 ); 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 ); b_error |= parse_cqm( value, p->cqm_8ic, 64 ); b_error |= parse_cqm( value, p->cqm_8pc, 64 ); } 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 ); b_error |= parse_cqm( value, p->cqm_8ic, 64 ); } OPT("cqm8p") { p->i_cqm_preset = X264_CQM_CUSTOM; b_error |= parse_cqm( value, p->cqm_8py, 64 ); b_error |= parse_cqm( value, p->cqm_8pc, 64 ); } OPT("log") p->i_log_level = atoi(value); OPT("dump-yuv") CHECKED_ERROR_PARAM_STRDUP( p->psz_dump_yuv, p, value ); OPT2("analyse", "partitions") { 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); OPT2("weightb", "weight-b") p->analyse.b_weighted_bipred = atobool(value); OPT("weightp") p->analyse.i_weighted_pred = atoi(value); OPT2("direct", "direct-pred") 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 ); OPT2("merange", "me-range") p->analyse.i_me_range = atoi(value); OPT2("mvrange", "mv-range") p->analyse.i_mv_range = atoi(value); OPT2("mvrange-thread", "mv-range-thread") p->analyse.i_mv_range_thread = atoi(value); OPT2("subme", "subq") p->analyse.i_subpel_refine = atoi(value); OPT("psy-rd") { if( 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 ) || 2 == sscanf( value, "%f|%f", &p->analyse.f_psy_rd, &p->analyse.f_psy_trellis )) { } 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; } } OPT("psy") p->analyse.b_psy = atobool(value); 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); OPT("deadzone-inter") p->analyse.i_luma_deadzone[0] = atoi(value); OPT("deadzone-intra") p->analyse.i_luma_deadzone[1] = atoi(value); 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; } OPT2("qp", "qp_constant") { p->rc.i_qp_constant = atoi(value); p->rc.i_rc_method = X264_RC_CQP; } OPT("crf") { p->rc.f_rf_constant = atof(value); p->rc.i_rc_method = X264_RC_CRF; } OPT("crf-max") p->rc.f_rf_constant_max = atof(value); OPT("rc-lookahead") p->rc.i_lookahead = atoi(value); OPT2("qpmin", "qp-min") p->rc.i_qp_min = atoi(value); OPT2("qpmax", "qp-max") p->rc.i_qp_max = atoi(value); OPT2("qpstep", "qp-step") 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); OPT2("ipratio", "ip-factor") p->rc.f_ip_factor = atof(value); OPT2("pbratio", "pb-factor") p->rc.f_pb_factor = atof(value); OPT("aq-mode") p->rc.i_aq_mode = atoi(value); OPT("aq-strength") p->rc.f_aq_strength = atof(value); OPT("pass") { int pass = x264_clip3( atoi(value), 0, 3 ); p->rc.b_stat_write = pass & 1; p->rc.b_stat_read = pass & 2; } OPT("stats") { CHECKED_ERROR_PARAM_STRDUP( p->rc.psz_stat_in, p, value ); CHECKED_ERROR_PARAM_STRDUP( p->rc.psz_stat_out, p, value ); } OPT("qcomp") p->rc.f_qcompress = atof(value); OPT("mbtree") p->rc.b_mb_tree = atobool(value); OPT("qblur") p->rc.f_qblur = atof(value); OPT2("cplxblur", "cplx-blur") p->rc.f_complexity_blur = atof(value); OPT("zones") CHECKED_ERROR_PARAM_STRDUP( p->rc.psz_zones, p, value ); OPT("crop-rect") b_error |= sscanf( value, "%d,%d,%d,%d", &p->crop_rect.i_left, &p->crop_rect.i_top, &p->crop_rect.i_right, &p->crop_rect.i_bottom ) != 4; OPT("psnr") p->analyse.b_psnr = atobool(value); OPT("ssim") p->analyse.b_ssim = atobool(value); OPT("aud") p->b_aud = atobool(value); OPT("sps-id") p->i_sps_id = atoi(value); OPT("global-header") p->b_repeat_headers = !atobool(value); OPT("repeat-headers") p->b_repeat_headers = atobool(value); OPT("annexb") p->b_annexb = atobool(value); OPT("force-cfr") p->b_vfr_input = !atobool(value); OPT("nal-hrd") b_error |= parse_enum( value, x264_nal_hrd_names, &p->i_nal_hrd ); OPT("filler") p->rc.b_filler = atobool(value); OPT("pic-struct") p->b_pic_struct = atobool(value); OPT("fake-interlaced") p->b_fake_interlaced = atobool(value); OPT("frame-packing") p->i_frame_packing = atoi(value); OPT("stitchable") p->b_stitchable = atobool(value); OPT("opencl") p->b_opencl = atobool( value ); OPT("opencl-clbin") CHECKED_ERROR_PARAM_STRDUP( p->psz_clbin_file, p, value ); OPT("opencl-device") p->i_opencl_device = atoi( value ); else { b_error = 1; errortype = X264_PARAM_BAD_NAME; } #undef OPT #undef OPT2 #undef atobool #undef atoi #undef atof if( name_buf ) free( name_buf ); b_error |= value_was_null && !name_was_bool; return b_error ? errortype : 0; } /**************************************************************************** * x264_param2string: ****************************************************************************/ char *x264_param2string( x264_param_t *p, int b_res ) { int len = 2000; char *buf, *s; if( p->rc.psz_zones ) len += strlen(p->rc.psz_zones); buf = s = x264_malloc( len ); if( !buf ) return NULL; if( b_res ) { s += sprintf( s, "%dx%d ", p->i_width, p->i_height ); 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 ); s += sprintf( s, "bitdepth=%d ", p->i_bitdepth ); } if( p->b_opencl ) s += sprintf( s, "opencl=%d ", p->b_opencl ); s += sprintf( s, "cabac=%d", p->b_cabac ); 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 ); s += sprintf( s, " psy=%d", p->analyse.b_psy ); if( p->analyse.b_psy ) s += sprintf( s, " psy_rd=%.2f:%.2f", p->analyse.f_psy_rd, p->analyse.f_psy_trellis ); 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 ); s += sprintf( s, " deadzone=%d,%d", p->analyse.i_luma_deadzone[0], p->analyse.i_luma_deadzone[1] ); s += sprintf( s, " fast_pskip=%d", p->analyse.b_fast_pskip ); s += sprintf( s, " chroma_qp_offset=%d", p->analyse.i_chroma_qp_offset ); s += sprintf( s, " threads=%d", p->i_threads ); s += sprintf( s, " lookahead_threads=%d", p->i_lookahead_threads ); s += sprintf( s, " sliced_threads=%d", p->b_sliced_threads ); if( p->i_slice_count ) s += sprintf( s, " slices=%d", p->i_slice_count ); if( p->i_slice_count_max ) s += sprintf( s, " slices_max=%d", p->i_slice_count_max ); 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 ); if( p->i_slice_min_mbs ) s += sprintf( s, " slice_min_mbs=%d", p->i_slice_min_mbs ); s += sprintf( s, " nr=%d", p->analyse.i_noise_reduction ); s += sprintf( s, " decimate=%d", p->analyse.b_dct_decimate ); s += sprintf( s, " interlaced=%s", p->b_interlaced ? p->b_tff ? "tff" : "bff" : p->b_fake_interlaced ? "fake" : "0" ); s += sprintf( s, " bluray_compat=%d", p->b_bluray_compat ); if( p->b_stitchable ) s += sprintf( s, " stitchable=%d", p->b_stitchable ); s += sprintf( s, " constrained_intra=%d", p->b_constrained_intra ); s += sprintf( s, " bframes=%d", p->i_bframe ); if( p->i_bframe ) { s += sprintf( s, " b_pyramid=%d b_adapt=%d b_bias=%d direct=%d weightb=%d open_gop=%d", p->i_bframe_pyramid, p->i_bframe_adaptive, p->i_bframe_bias, p->analyse.i_direct_mv_pred, p->analyse.b_weighted_bipred, p->b_open_gop ); } s += sprintf( s, " weightp=%d", p->analyse.i_weighted_pred > 0 ? p->analyse.i_weighted_pred : 0 ); if( p->i_keyint_max == X264_KEYINT_MAX_INFINITE ) s += sprintf( s, " keyint=infinite" ); else s += sprintf( s, " keyint=%d", p->i_keyint_max ); s += sprintf( s, " keyint_min=%d scenecut=%d intra_refresh=%d", p->i_keyint_min, p->i_scenecut_threshold, p->b_intra_refresh ); if( p->rc.b_mb_tree || p->rc.i_vbv_buffer_size ) s += sprintf( s, " rc_lookahead=%d", p->rc.i_lookahead ); s += sprintf( s, " rc=%s mbtree=%d", p->rc.i_rc_method == X264_RC_ABR ? ( p->rc.b_stat_read ? "2pass" : p->rc.i_vbv_max_bitrate == p->rc.i_bitrate ? "cbr" : "abr" ) : p->rc.i_rc_method == X264_RC_CRF ? "crf" : "cqp", p->rc.b_mb_tree ); if( p->rc.i_rc_method == X264_RC_ABR || p->rc.i_rc_method == X264_RC_CRF ) { if( p->rc.i_rc_method == X264_RC_CRF ) s += sprintf( s, " crf=%.1f", p->rc.f_rf_constant ); else s += sprintf( s, " bitrate=%d ratetol=%.1f", p->rc.i_bitrate, p->rc.f_rate_tolerance ); s += sprintf( s, " qcomp=%.2f qpmin=%d qpmax=%d qpstep=%d", p->rc.f_qcompress, p->rc.i_qp_min, p->rc.i_qp_max, p->rc.i_qp_step ); if( p->rc.b_stat_read ) s += sprintf( s, " cplxblur=%.1f qblur=%.1f", p->rc.f_complexity_blur, p->rc.f_qblur ); if( p->rc.i_vbv_buffer_size ) { s += sprintf( s, " vbv_maxrate=%d vbv_bufsize=%d", p->rc.i_vbv_max_bitrate, p->rc.i_vbv_buffer_size ); if( p->rc.i_rc_method == X264_RC_CRF ) s += sprintf( s, " crf_max=%.1f", p->rc.f_rf_constant_max ); } } else if( p->rc.i_rc_method == X264_RC_CQP ) s += sprintf( s, " qp=%d", p->rc.i_qp_constant ); if( p->rc.i_vbv_buffer_size ) s += sprintf( s, " nal_hrd=%s filler=%d", x264_nal_hrd_names[p->i_nal_hrd], p->rc.b_filler ); if( p->crop_rect.i_left | p->crop_rect.i_top | p->crop_rect.i_right | p->crop_rect.i_bottom ) s += sprintf( s, " crop_rect=%d,%d,%d,%d", p->crop_rect.i_left, p->crop_rect.i_top, p->crop_rect.i_right, p->crop_rect.i_bottom ); if( p->mastering_display.b_mastering_display ) s += sprintf( s, " mastering-display=G(%d,%d)B(%d,%d)R(%d,%d)WP(%d,%d)L(%"PRId64",%"PRId64")", p->mastering_display.i_green_x, p->mastering_display.i_green_y, p->mastering_display.i_blue_x, p->mastering_display.i_blue_y, p->mastering_display.i_red_x, p->mastering_display.i_red_y, p->mastering_display.i_white_x, p->mastering_display.i_white_y, p->mastering_display.i_display_max, p->mastering_display.i_display_min ); if( p->content_light_level.b_cll ) s += sprintf( s, " cll=%d,%d", p->content_light_level.i_max_cll, p->content_light_level.i_max_fall ); if( p->i_frame_packing >= 0 ) s += sprintf( s, " frame-packing=%d", p->i_frame_packing ); if( !(p->rc.i_rc_method == X264_RC_CQP && p->rc.i_qp_constant == 0) ) { s += sprintf( s, " ip_ratio=%.2f", p->rc.f_ip_factor ); if( p->i_bframe && !p->rc.b_mb_tree ) s += sprintf( s, " pb_ratio=%.2f", p->rc.f_pb_factor ); s += sprintf( s, " aq=%d", p->rc.i_aq_mode ); if( p->rc.i_aq_mode ) s += sprintf( s, ":%.2f", p->rc.f_aq_strength ); if( p->rc.psz_zones ) s += sprintf( s, " zones=%s", p->rc.psz_zones ); else if( p->rc.i_zones ) s += sprintf( s, " zones" ); } return buf; }