+ 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->b_opencl = 0;
+ param->i_opencl_device = 0;
+ param->opencl_device_id = NULL;
+ param->psz_clbin_file = NULL;
+}
+
+static int x264_param_apply_preset( x264_param_t *param, const char *preset )
+{
+ 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];
+
+ 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_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;
+ 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_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;
+ 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( NULL, X264_LOG_ERROR, "invalid preset '%s'\n", preset );
+ return -1;
+ }
+ return 0;
+}
+
+static int x264_param_apply_tune( x264_param_t *param, const char *tune )
+{
+ char *tmp = x264_malloc( strlen( tune ) + 1 );
+ 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;
+ }
+ else if( !strncasecmp( s, "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( !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;
+ param->b_vfr_input = 0;
+ param->rc.b_mb_tree = 0;
+ }
+ 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
+ {
+ x264_log( NULL, X264_LOG_ERROR, "invalid tune '%s'\n", s );
+ x264_free( tmp );
+ return -1;
+ }
+ if( 0 )
+ {
+ psy_failure:
+ x264_log( NULL, X264_LOG_WARNING, "only 1 psy tuning can be used: ignoring tune %s\n", s );
+ }
+ s = strtok( NULL, ",./-+" );
+ }
+ x264_free( tmp );
+ 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. */
+ 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;
+}
+
+int x264_param_apply_profile( x264_param_t *param, const char *profile )
+{
+ if( !profile )
+ return 0;
+
+ int p = profile_string_to_int( profile );
+ if( p < 0 )
+ {
+ 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 );
+ 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( NULL, X264_LOG_ERROR, "baseline profile doesn't support interlacing\n" );
+ return -1;
+ }
+ if( param->b_fake_interlaced )
+ {
+ x264_log( NULL, 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;