| /***************************************************************************** |
| * x264: h264 encoder |
| ***************************************************************************** |
| * Copyright (C) 2003-2008 x264 project |
| * |
| * Authors: Laurent Aimar <fenrir@via.ecp.fr> |
| * Loren Merritt <lorenm@u.washington.edu> |
| * Jason Garrett-Glaser <darkshikari@gmail.com> |
| * |
| * 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. |
| *****************************************************************************/ |
| |
| #include <math.h> |
| |
| #include "common/common.h" |
| #include "common/cpu.h" |
| |
| #include "set.h" |
| #include "analyse.h" |
| #include "ratecontrol.h" |
| #include "macroblock.h" |
| |
| #if VISUALIZE |
| #include "common/visualize.h" |
| #endif |
| |
| //#define DEBUG_MB_TYPE |
| |
| #define NALU_OVERHEAD 5 // startcode + NAL type costs 5 bytes per frame |
| |
| #define bs_write_ue bs_write_ue_big |
| |
| static void x264_encoder_frame_end( x264_t *h, x264_t *thread_current, |
| x264_nal_t **pp_nal, int *pi_nal, |
| x264_picture_t *pic_out ); |
| |
| /**************************************************************************** |
| * |
| ******************************* x264 libs ********************************** |
| * |
| ****************************************************************************/ |
| static float x264_psnr( int64_t i_sqe, int64_t i_size ) |
| { |
| double f_mse = (double)i_sqe / ((double)65025.0 * (double)i_size); |
| if( f_mse <= 0.0000000001 ) /* Max 100dB */ |
| return 100; |
| |
| return (float)(-10.0 * log( f_mse ) / log( 10.0 )); |
| } |
| |
| static void x264_frame_dump( x264_t *h ) |
| { |
| FILE *f = fopen( h->param.psz_dump_yuv, "r+b" ); |
| int i, y; |
| if( !f ) |
| return; |
| /* Write the frame in display order */ |
| fseek( f, h->fdec->i_frame * h->param.i_height * h->param.i_width * 3/2, SEEK_SET ); |
| for( i = 0; i < h->fdec->i_plane; i++ ) |
| for( y = 0; y < h->param.i_height >> !!i; y++ ) |
| fwrite( &h->fdec->plane[i][y*h->fdec->i_stride[i]], 1, h->param.i_width >> !!i, f ); |
| fclose( f ); |
| } |
| |
| |
| /* Fill "default" values */ |
| static void x264_slice_header_init( x264_t *h, x264_slice_header_t *sh, |
| x264_sps_t *sps, x264_pps_t *pps, |
| int i_idr_pic_id, int i_frame, int i_qp ) |
| { |
| x264_param_t *param = &h->param; |
| int i; |
| |
| /* First we fill all field */ |
| sh->sps = sps; |
| sh->pps = pps; |
| |
| sh->i_first_mb = 0; |
| sh->i_last_mb = h->sps->i_mb_width * h->sps->i_mb_height; |
| sh->i_pps_id = pps->i_id; |
| |
| sh->i_frame_num = i_frame; |
| |
| sh->b_mbaff = h->param.b_interlaced; |
| sh->b_field_pic = 0; /* no field support for now */ |
| sh->b_bottom_field = 0; /* not yet used */ |
| |
| sh->i_idr_pic_id = i_idr_pic_id; |
| |
| /* poc stuff, fixed later */ |
| sh->i_poc_lsb = 0; |
| sh->i_delta_poc_bottom = 0; |
| sh->i_delta_poc[0] = 0; |
| sh->i_delta_poc[1] = 0; |
| |
| sh->i_redundant_pic_cnt = 0; |
| |
| if( !h->mb.b_direct_auto_read ) |
| { |
| if( h->mb.b_direct_auto_write ) |
| sh->b_direct_spatial_mv_pred = ( h->stat.i_direct_score[1] > h->stat.i_direct_score[0] ); |
| else |
| sh->b_direct_spatial_mv_pred = ( param->analyse.i_direct_mv_pred == X264_DIRECT_PRED_SPATIAL ); |
| } |
| /* else b_direct_spatial_mv_pred was read from the 2pass statsfile */ |
| |
| sh->b_num_ref_idx_override = 0; |
| sh->i_num_ref_idx_l0_active = 1; |
| sh->i_num_ref_idx_l1_active = 1; |
| |
| sh->b_ref_pic_list_reordering_l0 = h->b_ref_reorder[0]; |
| sh->b_ref_pic_list_reordering_l1 = h->b_ref_reorder[1]; |
| |
| /* If the ref list isn't in the default order, construct reordering header */ |
| /* List1 reordering isn't needed yet */ |
| if( sh->b_ref_pic_list_reordering_l0 ) |
| { |
| int pred_frame_num = i_frame; |
| for( i = 0; i < h->i_ref0; i++ ) |
| { |
| int diff = h->fref0[i]->i_frame_num - pred_frame_num; |
| if( diff == 0 ) |
| x264_log( h, X264_LOG_ERROR, "diff frame num == 0\n" ); |
| sh->ref_pic_list_order[0][i].idc = ( diff > 0 ); |
| sh->ref_pic_list_order[0][i].arg = abs( diff ) - 1; |
| pred_frame_num = h->fref0[i]->i_frame_num; |
| } |
| } |
| |
| sh->i_cabac_init_idc = param->i_cabac_init_idc; |
| |
| sh->i_qp = i_qp; |
| sh->i_qp_delta = i_qp - pps->i_pic_init_qp; |
| sh->b_sp_for_swidth = 0; |
| sh->i_qs_delta = 0; |
| |
| /* If effective qp <= 15, deblocking would have no effect anyway */ |
| if( param->b_deblocking_filter |
| && ( h->mb.b_variable_qp |
| || 15 < i_qp + 2 * X264_MIN(param->i_deblocking_filter_alphac0, param->i_deblocking_filter_beta) ) ) |
| { |
| sh->i_disable_deblocking_filter_idc = 0; |
| } |
| else |
| { |
| sh->i_disable_deblocking_filter_idc = 1; |
| } |
| sh->i_alpha_c0_offset = param->i_deblocking_filter_alphac0 << 1; |
| sh->i_beta_offset = param->i_deblocking_filter_beta << 1; |
| } |
| |
| static void x264_slice_header_write( bs_t *s, x264_slice_header_t *sh, int i_nal_ref_idc ) |
| { |
| int i; |
| |
| if( sh->b_mbaff ) |
| { |
| assert( sh->i_first_mb % (2*sh->sps->i_mb_width) == 0 ); |
| bs_write_ue( s, sh->i_first_mb >> 1 ); |
| } |
| else |
| bs_write_ue( s, sh->i_first_mb ); |
| |
| bs_write_ue( s, sh->i_type + 5 ); /* same type things */ |
| bs_write_ue( s, sh->i_pps_id ); |
| bs_write( s, sh->sps->i_log2_max_frame_num, sh->i_frame_num ); |
| |
| if( !sh->sps->b_frame_mbs_only ) |
| { |
| bs_write1( s, sh->b_field_pic ); |
| if ( sh->b_field_pic ) |
| bs_write1( s, sh->b_bottom_field ); |
| } |
| |
| if( sh->i_idr_pic_id >= 0 ) /* NAL IDR */ |
| { |
| bs_write_ue( s, sh->i_idr_pic_id ); |
| } |
| |
| if( sh->sps->i_poc_type == 0 ) |
| { |
| bs_write( s, sh->sps->i_log2_max_poc_lsb, sh->i_poc_lsb ); |
| if( sh->pps->b_pic_order && !sh->b_field_pic ) |
| { |
| bs_write_se( s, sh->i_delta_poc_bottom ); |
| } |
| } |
| else if( sh->sps->i_poc_type == 1 && !sh->sps->b_delta_pic_order_always_zero ) |
| { |
| bs_write_se( s, sh->i_delta_poc[0] ); |
| if( sh->pps->b_pic_order && !sh->b_field_pic ) |
| { |
| bs_write_se( s, sh->i_delta_poc[1] ); |
| } |
| } |
| |
| if( sh->pps->b_redundant_pic_cnt ) |
| { |
| bs_write_ue( s, sh->i_redundant_pic_cnt ); |
| } |
| |
| if( sh->i_type == SLICE_TYPE_B ) |
| { |
| bs_write1( s, sh->b_direct_spatial_mv_pred ); |
| } |
| if( sh->i_type == SLICE_TYPE_P || sh->i_type == SLICE_TYPE_SP || sh->i_type == SLICE_TYPE_B ) |
| { |
| bs_write1( s, sh->b_num_ref_idx_override ); |
| if( sh->b_num_ref_idx_override ) |
| { |
| bs_write_ue( s, sh->i_num_ref_idx_l0_active - 1 ); |
| if( sh->i_type == SLICE_TYPE_B ) |
| { |
| bs_write_ue( s, sh->i_num_ref_idx_l1_active - 1 ); |
| } |
| } |
| } |
| |
| /* ref pic list reordering */ |
| if( sh->i_type != SLICE_TYPE_I ) |
| { |
| bs_write1( s, sh->b_ref_pic_list_reordering_l0 ); |
| if( sh->b_ref_pic_list_reordering_l0 ) |
| { |
| for( i = 0; i < sh->i_num_ref_idx_l0_active; i++ ) |
| { |
| bs_write_ue( s, sh->ref_pic_list_order[0][i].idc ); |
| bs_write_ue( s, sh->ref_pic_list_order[0][i].arg ); |
| |
| } |
| bs_write_ue( s, 3 ); |
| } |
| } |
| if( sh->i_type == SLICE_TYPE_B ) |
| { |
| bs_write1( s, sh->b_ref_pic_list_reordering_l1 ); |
| if( sh->b_ref_pic_list_reordering_l1 ) |
| { |
| for( i = 0; i < sh->i_num_ref_idx_l1_active; i++ ) |
| { |
| bs_write_ue( s, sh->ref_pic_list_order[1][i].idc ); |
| bs_write_ue( s, sh->ref_pic_list_order[1][i].arg ); |
| } |
| bs_write_ue( s, 3 ); |
| } |
| } |
| |
| if( ( sh->pps->b_weighted_pred && ( sh->i_type == SLICE_TYPE_P || sh->i_type == SLICE_TYPE_SP ) ) || |
| ( sh->pps->b_weighted_bipred == 1 && sh->i_type == SLICE_TYPE_B ) ) |
| { |
| /* FIXME */ |
| } |
| |
| if( i_nal_ref_idc != 0 ) |
| { |
| if( sh->i_idr_pic_id >= 0 ) |
| { |
| bs_write1( s, 0 ); /* no output of prior pics flag */ |
| bs_write1( s, 0 ); /* long term reference flag */ |
| } |
| else |
| { |
| bs_write1( s, 0 ); /* adaptive_ref_pic_marking_mode_flag */ |
| } |
| } |
| |
| if( sh->pps->b_cabac && sh->i_type != SLICE_TYPE_I ) |
| { |
| bs_write_ue( s, sh->i_cabac_init_idc ); |
| } |
| bs_write_se( s, sh->i_qp_delta ); /* slice qp delta */ |
| |
| if( sh->pps->b_deblocking_filter_control ) |
| { |
| bs_write_ue( s, sh->i_disable_deblocking_filter_idc ); |
| if( sh->i_disable_deblocking_filter_idc != 1 ) |
| { |
| bs_write_se( s, sh->i_alpha_c0_offset >> 1 ); |
| bs_write_se( s, sh->i_beta_offset >> 1 ); |
| } |
| } |
| } |
| |
| /* If we are within a reasonable distance of the end of the memory allocated for the bitstream, */ |
| /* reallocate, adding an arbitrary amount of space (100 kilobytes). */ |
| static void x264_bitstream_check_buffer( x264_t *h ) |
| { |
| if( ( h->param.b_cabac && (h->cabac.p_end - h->cabac.p < 2500) ) |
| || ( h->out.bs.p_end - h->out.bs.p < 2500 ) ) |
| { |
| uint8_t *bs_bak = h->out.p_bitstream; |
| intptr_t delta; |
| int i; |
| |
| h->out.i_bitstream += 100000; |
| h->out.p_bitstream = x264_realloc( h->out.p_bitstream, h->out.i_bitstream ); |
| delta = h->out.p_bitstream - bs_bak; |
| |
| h->out.bs.p_start += delta; |
| h->out.bs.p += delta; |
| h->out.bs.p_end = h->out.p_bitstream + h->out.i_bitstream; |
| |
| h->cabac.p_start += delta; |
| h->cabac.p += delta; |
| h->cabac.p_end = h->out.p_bitstream + h->out.i_bitstream; |
| |
| for( i = 0; i <= h->out.i_nal; i++ ) |
| h->out.nal[i].p_payload += delta; |
| } |
| } |
| |
| /**************************************************************************** |
| * |
| **************************************************************************** |
| ****************************** External API********************************* |
| **************************************************************************** |
| * |
| ****************************************************************************/ |
| |
| static int x264_validate_parameters( x264_t *h ) |
| { |
| #ifdef HAVE_MMX |
| if( !(x264_cpu_detect() & X264_CPU_MMXEXT) ) |
| { |
| x264_log( h, X264_LOG_ERROR, "your cpu does not support MMXEXT, but x264 was compiled with asm support\n"); |
| x264_log( h, X264_LOG_ERROR, "to run x264, recompile without asm support (configure --disable-asm)\n"); |
| return -1; |
| } |
| #endif |
| if( h->param.i_width <= 0 || h->param.i_height <= 0 ) |
| { |
| x264_log( h, X264_LOG_ERROR, "invalid width x height (%dx%d)\n", |
| h->param.i_width, h->param.i_height ); |
| return -1; |
| } |
| |
| if( h->param.i_width % 2 || h->param.i_height % 2 ) |
| { |
| x264_log( h, X264_LOG_ERROR, "width or height not divisible by 2 (%dx%d)\n", |
| h->param.i_width, h->param.i_height ); |
| return -1; |
| } |
| if( h->param.i_csp != X264_CSP_I420 ) |
| { |
| x264_log( h, X264_LOG_ERROR, "invalid CSP (only I420 supported)\n" ); |
| return -1; |
| } |
| |
| if( h->param.i_threads == 0 ) |
| h->param.i_threads = x264_cpu_num_processors() * 3/2; |
| h->param.i_threads = x264_clip3( h->param.i_threads, 1, X264_THREAD_MAX ); |
| if( h->param.i_threads > 1 ) |
| { |
| #ifndef HAVE_PTHREAD |
| x264_log( h, X264_LOG_WARNING, "not compiled with pthread support!\n"); |
| h->param.i_threads = 1; |
| #else |
| if( h->param.i_scenecut_threshold >= 0 ) |
| h->param.b_pre_scenecut = 1; |
| #endif |
| } |
| |
| if( h->param.b_interlaced ) |
| { |
| if( h->param.analyse.i_me_method >= X264_ME_ESA ) |
| { |
| x264_log( h, X264_LOG_WARNING, "interlace + me=esa is not implemented\n" ); |
| h->param.analyse.i_me_method = X264_ME_UMH; |
| } |
| if( h->param.analyse.i_direct_mv_pred > X264_DIRECT_PRED_SPATIAL ) |
| { |
| x264_log( h, X264_LOG_WARNING, "interlace + direct=temporal is not implemented\n" ); |
| h->param.analyse.i_direct_mv_pred = X264_DIRECT_PRED_SPATIAL; |
| } |
| } |
| |
| if( h->param.rc.i_rc_method < 0 || h->param.rc.i_rc_method > 2 ) |
| { |
| x264_log( h, X264_LOG_ERROR, "no ratecontrol method specified\n" ); |
| return -1; |
| } |
| h->param.rc.f_rf_constant = x264_clip3f( h->param.rc.f_rf_constant, 0, 51 ); |
| h->param.rc.i_qp_constant = x264_clip3( h->param.rc.i_qp_constant, 0, 51 ); |
| if( h->param.rc.i_rc_method == X264_RC_CRF ) |
| h->param.rc.i_qp_constant = h->param.rc.f_rf_constant; |
| if( (h->param.rc.i_rc_method == X264_RC_CQP || h->param.rc.i_rc_method == X264_RC_CRF) |
| && h->param.rc.i_qp_constant == 0 ) |
| { |
| h->mb.b_lossless = 1; |
| h->param.i_cqm_preset = X264_CQM_FLAT; |
| h->param.psz_cqm_file = NULL; |
| h->param.rc.i_rc_method = X264_RC_CQP; |
| h->param.rc.f_ip_factor = 1; |
| h->param.rc.f_pb_factor = 1; |
| h->param.analyse.b_psnr = 0; |
| h->param.analyse.b_ssim = 0; |
| h->param.analyse.i_chroma_qp_offset = 0; |
| h->param.analyse.i_trellis = 0; |
| h->param.analyse.b_fast_pskip = 0; |
| h->param.analyse.i_noise_reduction = 0; |
| h->param.analyse.f_psy_rd = 0; |
| /* 8x8dct is not useful at all in CAVLC lossless */ |
| if( !h->param.b_cabac ) |
| h->param.analyse.b_transform_8x8 = 0; |
| } |
| if( h->param.rc.i_rc_method == X264_RC_CQP ) |
| { |
| float qp_p = h->param.rc.i_qp_constant; |
| float qp_i = qp_p - 6*log(h->param.rc.f_ip_factor)/log(2); |
| float qp_b = qp_p + 6*log(h->param.rc.f_pb_factor)/log(2); |
| h->param.rc.i_qp_min = x264_clip3( (int)(X264_MIN3( qp_p, qp_i, qp_b )), 0, 51 ); |
| h->param.rc.i_qp_max = x264_clip3( (int)(X264_MAX3( qp_p, qp_i, qp_b ) + .999), 0, 51 ); |
| h->param.rc.i_aq_mode = 0; |
| } |
| h->param.rc.i_qp_max = x264_clip3( h->param.rc.i_qp_max, 0, 51 ); |
| h->param.rc.i_qp_min = x264_clip3( h->param.rc.i_qp_min, 0, h->param.rc.i_qp_max ); |
| |
| if( ( h->param.i_width % 16 || h->param.i_height % 16 ) |
| && h->param.i_height != 1080 && !h->mb.b_lossless ) |
| { |
| // There's nothing special about 1080 in that the warning still applies to it, |
| // but chances are the user can't help it if his content is already 1080p, |
| // so there's no point in warning in that case. |
| x264_log( h, X264_LOG_WARNING, |
| "width or height not divisible by 16 (%dx%d), compression will suffer.\n", |
| h->param.i_width, h->param.i_height ); |
| } |
| |
| h->param.i_frame_reference = x264_clip3( h->param.i_frame_reference, 1, 16 ); |
| if( h->param.i_keyint_max <= 0 ) |
| h->param.i_keyint_max = 1; |
| h->param.i_keyint_min = x264_clip3( h->param.i_keyint_min, 1, h->param.i_keyint_max/2+1 ); |
| if( !h->param.analyse.i_subpel_refine && h->param.analyse.i_direct_mv_pred > X264_DIRECT_PRED_SPATIAL ) |
| { |
| x264_log( h, X264_LOG_WARNING, "subme=0 + direct=temporal is not supported\n" ); |
| h->param.analyse.i_direct_mv_pred = X264_DIRECT_PRED_SPATIAL; |
| } |
| h->param.i_bframe = x264_clip3( h->param.i_bframe, 0, X264_BFRAME_MAX ); |
| h->param.i_bframe_bias = x264_clip3( h->param.i_bframe_bias, -90, 100 ); |
| h->param.b_bframe_pyramid = h->param.b_bframe_pyramid && h->param.i_bframe > 1; |
| if( !h->param.i_bframe ) |
| h->param.i_bframe_adaptive = X264_B_ADAPT_NONE; |
| h->param.analyse.b_weighted_bipred = h->param.analyse.b_weighted_bipred && h->param.i_bframe > 0; |
| h->mb.b_direct_auto_write = h->param.analyse.i_direct_mv_pred == X264_DIRECT_PRED_AUTO |
| && h->param.i_bframe |
| && ( h->param.rc.b_stat_write || !h->param.rc.b_stat_read ); |
| if( h->param.i_scenecut_threshold < 0 ) |
| h->param.b_pre_scenecut = 0; |
| |
| h->param.i_deblocking_filter_alphac0 = x264_clip3( h->param.i_deblocking_filter_alphac0, -6, 6 ); |
| h->param.i_deblocking_filter_beta = x264_clip3( h->param.i_deblocking_filter_beta, -6, 6 ); |
| h->param.analyse.i_luma_deadzone[0] = x264_clip3( h->param.analyse.i_luma_deadzone[0], 0, 32 ); |
| h->param.analyse.i_luma_deadzone[1] = x264_clip3( h->param.analyse.i_luma_deadzone[1], 0, 32 ); |
| |
| h->param.i_cabac_init_idc = x264_clip3( h->param.i_cabac_init_idc, 0, 2 ); |
| |
| if( h->param.i_cqm_preset < X264_CQM_FLAT || h->param.i_cqm_preset > X264_CQM_CUSTOM ) |
| h->param.i_cqm_preset = X264_CQM_FLAT; |
| |
| if( h->param.analyse.i_me_method < X264_ME_DIA || |
| h->param.analyse.i_me_method > X264_ME_TESA ) |
| h->param.analyse.i_me_method = X264_ME_HEX; |
| if( h->param.analyse.i_me_range < 4 ) |
| h->param.analyse.i_me_range = 4; |
| if( h->param.analyse.i_me_range > 16 && h->param.analyse.i_me_method <= X264_ME_HEX ) |
| h->param.analyse.i_me_range = 16; |
| if( h->param.analyse.i_me_method == X264_ME_TESA && |
| (h->mb.b_lossless || h->param.analyse.i_subpel_refine <= 1) ) |
| h->param.analyse.i_me_method = X264_ME_ESA; |
| h->param.analyse.i_subpel_refine = x264_clip3( h->param.analyse.i_subpel_refine, 0, 9 ); |
| h->param.analyse.b_mixed_references = h->param.analyse.b_mixed_references && h->param.i_frame_reference > 1; |
| h->param.analyse.inter &= X264_ANALYSE_PSUB16x16|X264_ANALYSE_PSUB8x8|X264_ANALYSE_BSUB16x16| |
| X264_ANALYSE_I4x4|X264_ANALYSE_I8x8; |
| h->param.analyse.intra &= X264_ANALYSE_I4x4|X264_ANALYSE_I8x8; |
| if( !(h->param.analyse.inter & X264_ANALYSE_PSUB16x16) ) |
| h->param.analyse.inter &= ~X264_ANALYSE_PSUB8x8; |
| if( !h->param.analyse.b_transform_8x8 ) |
| { |
| h->param.analyse.inter &= ~X264_ANALYSE_I8x8; |
| h->param.analyse.intra &= ~X264_ANALYSE_I8x8; |
| } |
| h->param.analyse.i_chroma_qp_offset = x264_clip3(h->param.analyse.i_chroma_qp_offset, -12, 12); |
| if( !h->param.b_cabac ) |
| h->param.analyse.i_trellis = 0; |
| h->param.analyse.i_trellis = x264_clip3( h->param.analyse.i_trellis, 0, 2 ); |
| if( !h->param.analyse.i_trellis ) |
| h->param.analyse.f_psy_trellis = 0; |
| h->param.analyse.f_psy_rd = x264_clip3f( h->param.analyse.f_psy_rd, 0, 10 ); |
| h->param.analyse.f_psy_trellis = x264_clip3f( h->param.analyse.f_psy_trellis, 0, 10 ); |
| if( h->param.analyse.i_subpel_refine < 6 ) |
| h->param.analyse.f_psy_rd = 0; |
| h->mb.i_psy_rd = FIX8( h->param.analyse.f_psy_rd ); |
| /* Psy RDO increases overall quantizers to improve the quality of luma--this indirectly hurts chroma quality */ |
| /* so we lower the chroma QP offset to compensate */ |
| /* This can be triggered repeatedly on multiple calls to parameter_validate, but since encoding |
| * uses the pps chroma qp offset not the param chroma qp offset, this is not a problem. */ |
| if( h->mb.i_psy_rd ) |
| h->param.analyse.i_chroma_qp_offset -= h->param.analyse.f_psy_rd < 0.25 ? 1 : 2; |
| h->mb.i_psy_trellis = FIX8( h->param.analyse.f_psy_trellis / 4 ); |
| /* Psy trellis has a similar effect. */ |
| if( h->mb.i_psy_trellis ) |
| h->param.analyse.i_chroma_qp_offset -= h->param.analyse.f_psy_trellis < 0.25 ? 1 : 2; |
| else |
| h->mb.i_psy_trellis = 0; |
| h->param.analyse.i_chroma_qp_offset = x264_clip3(h->param.analyse.i_chroma_qp_offset, -12, 12); |
| h->param.rc.i_aq_mode = x264_clip3( h->param.rc.i_aq_mode, 0, 1 ); |
| h->param.rc.f_aq_strength = x264_clip3f( h->param.rc.f_aq_strength, 0, 3 ); |
| if( h->param.rc.f_aq_strength == 0 ) |
| h->param.rc.i_aq_mode = 0; |
| h->param.analyse.i_noise_reduction = x264_clip3( h->param.analyse.i_noise_reduction, 0, 1<<16 ); |
| |
| { |
| const x264_level_t *l = x264_levels; |
| if( h->param.i_level_idc < 0 ) |
| { |
| if( h->param.rc.i_rc_method == X264_RC_ABR && h->param.rc.i_vbv_buffer_size <= 0 ) |
| h->param.rc.i_vbv_max_bitrate = h->param.rc.i_bitrate * 2; |
| h->sps = h->sps_array; |
| x264_sps_init( h->sps, h->param.i_sps_id, &h->param ); |
| do h->param.i_level_idc = l->level_idc; |
| while( l[1].level_idc && x264_validate_levels( h, 0 ) && l++ ); |
| if( h->param.rc.i_vbv_buffer_size <= 0 ) |
| h->param.rc.i_vbv_max_bitrate = 0; |
| } |
| else |
| { |
| while( l->level_idc && l->level_idc != h->param.i_level_idc ) |
| l++; |
| if( l->level_idc == 0 ) |
| { |
| x264_log( h, X264_LOG_ERROR, "invalid level_idc: %d\n", h->param.i_level_idc ); |
| return -1; |
| } |
| } |
| if( h->param.analyse.i_mv_range <= 0 ) |
| h->param.analyse.i_mv_range = l->mv_range >> h->param.b_interlaced; |
| else |
| h->param.analyse.i_mv_range = x264_clip3(h->param.analyse.i_mv_range, 32, 512 >> h->param.b_interlaced); |
| if( h->param.analyse.i_direct_8x8_inference < 0 ) |
| h->param.analyse.i_direct_8x8_inference = l->direct8x8; |
| } |
| |
| if( h->param.i_threads > 1 ) |
| { |
| int r = h->param.analyse.i_mv_range_thread; |
| int r2; |
| if( r <= 0 ) |
| { |
| // half of the available space is reserved and divided evenly among the threads, |
| // the rest is allocated to whichever thread is far enough ahead to use it. |
| // reserving more space increases quality for some videos, but costs more time |
| // in thread synchronization. |
| int max_range = (h->param.i_height + X264_THREAD_HEIGHT) / h->param.i_threads - X264_THREAD_HEIGHT; |
| r = max_range / 2; |
| } |
| r = X264_MAX( r, h->param.analyse.i_me_range ); |
| r = X264_MIN( r, h->param.analyse.i_mv_range ); |
| // round up to use the whole mb row |
| r2 = (r & ~15) + ((-X264_THREAD_HEIGHT) & 15); |
| if( r2 < r ) |
| r2 += 16; |
| x264_log( h, X264_LOG_DEBUG, "using mv_range_thread = %d\n", r2 ); |
| h->param.analyse.i_mv_range_thread = r2; |
| } |
| |
| if( h->param.rc.f_qblur < 0 ) |
| h->param.rc.f_qblur = 0; |
| if( h->param.rc.f_complexity_blur < 0 ) |
| h->param.rc.f_complexity_blur = 0; |
| |
| h->param.i_sps_id &= 31; |
| |
| if( h->param.i_log_level < X264_LOG_INFO ) |
| { |
| h->param.analyse.b_psnr = 0; |
| h->param.analyse.b_ssim = 0; |
| } |
| |
| /* ensure the booleans are 0 or 1 so they can be used in math */ |
| #define BOOLIFY(x) h->param.x = !!h->param.x |
| BOOLIFY( b_cabac ); |
| BOOLIFY( b_deblocking_filter ); |
| BOOLIFY( b_interlaced ); |
| BOOLIFY( analyse.b_transform_8x8 ); |
| BOOLIFY( analyse.i_direct_8x8_inference ); |
| BOOLIFY( analyse.b_chroma_me ); |
| BOOLIFY( analyse.b_fast_pskip ); |
| BOOLIFY( rc.b_stat_write ); |
| BOOLIFY( rc.b_stat_read ); |
| #undef BOOLIFY |
| |
| return 0; |
| } |
| |
| static void mbcmp_init( x264_t *h ) |
| { |
| int satd = !h->mb.b_lossless && h->param.analyse.i_subpel_refine > 1; |
| memcpy( h->pixf.mbcmp, satd ? h->pixf.satd : h->pixf.sad_aligned, sizeof(h->pixf.mbcmp) ); |
| memcpy( h->pixf.mbcmp_unaligned, satd ? h->pixf.satd : h->pixf.sad, sizeof(h->pixf.mbcmp_unaligned) ); |
| h->pixf.intra_mbcmp_x3_16x16 = satd ? h->pixf.intra_satd_x3_16x16 : h->pixf.intra_sad_x3_16x16; |
| satd &= h->param.analyse.i_me_method == X264_ME_TESA; |
| memcpy( h->pixf.fpelcmp, satd ? h->pixf.satd : h->pixf.sad, sizeof(h->pixf.fpelcmp) ); |
| memcpy( h->pixf.fpelcmp_x3, satd ? h->pixf.satd_x3 : h->pixf.sad_x3, sizeof(h->pixf.fpelcmp_x3) ); |
| memcpy( h->pixf.fpelcmp_x4, satd ? h->pixf.satd_x4 : h->pixf.sad_x4, sizeof(h->pixf.fpelcmp_x4) ); |
| } |
| |
| /**************************************************************************** |
| * x264_encoder_open: |
| ****************************************************************************/ |
| x264_t *x264_encoder_open ( x264_param_t *param ) |
| { |
| x264_t *h = x264_malloc( sizeof( x264_t ) ); |
| char buf[1000], *p; |
| int i; |
| |
| memset( h, 0, sizeof( x264_t ) ); |
| |
| /* Create a copy of param */ |
| memcpy( &h->param, param, sizeof( x264_param_t ) ); |
| |
| if( x264_validate_parameters( h ) < 0 ) |
| { |
| x264_free( h ); |
| return NULL; |
| } |
| |
| if( h->param.psz_cqm_file ) |
| if( x264_cqm_parse_file( h, h->param.psz_cqm_file ) < 0 ) |
| { |
| x264_free( h ); |
| return NULL; |
| } |
| |
| if( h->param.rc.psz_stat_out ) |
| h->param.rc.psz_stat_out = strdup( h->param.rc.psz_stat_out ); |
| if( h->param.rc.psz_stat_in ) |
| h->param.rc.psz_stat_in = strdup( h->param.rc.psz_stat_in ); |
| |
| /* VUI */ |
| if( h->param.vui.i_sar_width > 0 && h->param.vui.i_sar_height > 0 ) |
| { |
| int i_w = param->vui.i_sar_width; |
| int i_h = param->vui.i_sar_height; |
| |
| x264_reduce_fraction( &i_w, &i_h ); |
| |
| while( i_w > 65535 || i_h > 65535 ) |
| { |
| i_w /= 2; |
| i_h /= 2; |
| } |
| |
| h->param.vui.i_sar_width = 0; |
| h->param.vui.i_sar_height = 0; |
| if( i_w == 0 || i_h == 0 ) |
| { |
| x264_log( h, X264_LOG_WARNING, "cannot create valid sample aspect ratio\n" ); |
| } |
| else |
| { |
| x264_log( h, X264_LOG_INFO, "using SAR=%d/%d\n", i_w, i_h ); |
| h->param.vui.i_sar_width = i_w; |
| h->param.vui.i_sar_height = i_h; |
| } |
| } |
| |
| x264_reduce_fraction( &h->param.i_fps_num, &h->param.i_fps_den ); |
| |
| /* Init x264_t */ |
| h->i_frame = 0; |
| h->i_frame_num = 0; |
| h->i_idr_pic_id = 0; |
| |
| h->sps = &h->sps_array[0]; |
| x264_sps_init( h->sps, h->param.i_sps_id, &h->param ); |
| |
| h->pps = &h->pps_array[0]; |
| x264_pps_init( h->pps, h->param.i_sps_id, &h->param, h->sps); |
| |
| x264_validate_levels( h, 1 ); |
| |
| if( x264_cqm_init( h ) < 0 ) |
| { |
| x264_free( h ); |
| return NULL; |
| } |
| |
| h->mb.i_mb_count = h->sps->i_mb_width * h->sps->i_mb_height; |
| |
| /* Init frames. */ |
| if( h->param.i_bframe_adaptive == X264_B_ADAPT_TRELLIS ) |
| h->frames.i_delay = X264_MAX(h->param.i_bframe,3)*4 + h->param.i_threads - 1; |
| else |
| h->frames.i_delay = h->param.i_bframe + h->param.i_threads - 1; |
| h->frames.i_max_ref0 = h->param.i_frame_reference; |
| h->frames.i_max_ref1 = h->sps->vui.i_num_reorder_frames; |
| h->frames.i_max_dpb = h->sps->vui.i_max_dec_frame_buffering; |
| h->frames.b_have_lowres = !h->param.rc.b_stat_read |
| && ( h->param.rc.i_rc_method == X264_RC_ABR |
| || h->param.rc.i_rc_method == X264_RC_CRF |
| || h->param.i_bframe_adaptive |
| || h->param.b_pre_scenecut ); |
| h->frames.b_have_lowres |= (h->param.rc.b_stat_read && h->param.rc.i_vbv_buffer_size > 0); |
| |
| h->frames.i_last_idr = - h->param.i_keyint_max; |
| h->frames.i_input = 0; |
| h->frames.last_nonb = NULL; |
| |
| h->i_ref0 = 0; |
| h->i_ref1 = 0; |
| |
| h->chroma_qp_table = i_chroma_qp_table + 12 + h->pps->i_chroma_qp_index_offset; |
| |
| x264_rdo_init( ); |
| |
| /* init CPU functions */ |
| x264_predict_16x16_init( h->param.cpu, h->predict_16x16 ); |
| x264_predict_8x8c_init( h->param.cpu, h->predict_8x8c ); |
| x264_predict_8x8_init( h->param.cpu, h->predict_8x8 ); |
| x264_predict_4x4_init( h->param.cpu, h->predict_4x4 ); |
| |
| x264_pixel_init( h->param.cpu, &h->pixf ); |
| x264_dct_init( h->param.cpu, &h->dctf ); |
| x264_zigzag_init( h->param.cpu, &h->zigzagf, h->param.b_interlaced ); |
| x264_mc_init( h->param.cpu, &h->mc ); |
| x264_quant_init( h, h->param.cpu, &h->quantf ); |
| x264_deblock_init( h->param.cpu, &h->loopf ); |
| x264_dct_init_weights(); |
| |
| mbcmp_init( h ); |
| |
| p = buf + sprintf( buf, "using cpu capabilities:" ); |
| for( i=0; x264_cpu_names[i].flags; i++ ) |
| { |
| if( !strcmp(x264_cpu_names[i].name, "SSE2") |
| && param->cpu & (X264_CPU_SSE2_IS_FAST|X264_CPU_SSE2_IS_SLOW) ) |
| continue; |
| if( !strcmp(x264_cpu_names[i].name, "SSE3") |
| && (param->cpu & X264_CPU_SSSE3 || !(param->cpu & X264_CPU_CACHELINE_64)) ) |
| continue; |
| if( !strcmp(x264_cpu_names[i].name, "SSE4.1") |
| && (param->cpu & X264_CPU_SSE42) ) |
| continue; |
| if( (param->cpu & x264_cpu_names[i].flags) == x264_cpu_names[i].flags |
| && (!i || x264_cpu_names[i].flags != x264_cpu_names[i-1].flags) ) |
| p += sprintf( p, " %s", x264_cpu_names[i].name ); |
| } |
| if( !param->cpu ) |
| p += sprintf( p, " none!" ); |
| x264_log( h, X264_LOG_INFO, "%s\n", buf ); |
| |
| h->out.i_nal = 0; |
| h->out.i_bitstream = X264_MAX( 1000000, h->param.i_width * h->param.i_height * 4 |
| * ( h->param.rc.i_rc_method == X264_RC_ABR ? pow( 0.95, h->param.rc.i_qp_min ) |
| : pow( 0.95, h->param.rc.i_qp_constant ) * X264_MAX( 1, h->param.rc.f_ip_factor ))); |
| |
| h->thread[0] = h; |
| h->i_thread_num = 0; |
| for( i = 1; i < h->param.i_threads; i++ ) |
| h->thread[i] = x264_malloc( sizeof(x264_t) ); |
| |
| for( i = 0; i < h->param.i_threads; i++ ) |
| { |
| if( i > 0 ) |
| *h->thread[i] = *h; |
| h->thread[i]->fdec = x264_frame_pop_unused( h ); |
| h->thread[i]->out.p_bitstream = x264_malloc( h->out.i_bitstream ); |
| if( x264_macroblock_cache_init( h->thread[i] ) < 0 ) |
| return NULL; |
| } |
| |
| if( x264_ratecontrol_new( h ) < 0 ) |
| return NULL; |
| |
| if( h->param.psz_dump_yuv ) |
| { |
| /* create or truncate the reconstructed video file */ |
| FILE *f = fopen( h->param.psz_dump_yuv, "w" ); |
| if( f ) |
| fclose( f ); |
| else |
| { |
| x264_log( h, X264_LOG_ERROR, "can't write to fdec.yuv\n" ); |
| x264_free( h ); |
| return NULL; |
| } |
| } |
| |
| x264_log( h, X264_LOG_INFO, "profile %s, level %d.%d\n", |
| h->sps->i_profile_idc == PROFILE_BASELINE ? "Baseline" : |
| h->sps->i_profile_idc == PROFILE_MAIN ? "Main" : |
| h->sps->i_profile_idc == PROFILE_HIGH ? "High" : |
| "High 4:4:4 Predictive", h->sps->i_level_idc/10, h->sps->i_level_idc%10 ); |
| |
| return h; |
| } |
| |
| /**************************************************************************** |
| * x264_encoder_reconfig: |
| ****************************************************************************/ |
| int x264_encoder_reconfig( x264_t *h, x264_param_t *param ) |
| { |
| #define COPY(var) h->param.var = param->var |
| COPY( i_frame_reference ); // but never uses more refs than initially specified |
| COPY( i_bframe_bias ); |
| if( h->param.i_scenecut_threshold >= 0 && param->i_scenecut_threshold >= 0 ) |
| COPY( i_scenecut_threshold ); // can't turn it on or off, only vary the threshold |
| COPY( b_deblocking_filter ); |
| COPY( i_deblocking_filter_alphac0 ); |
| COPY( i_deblocking_filter_beta ); |
| COPY( analyse.intra ); |
| COPY( analyse.inter ); |
| COPY( analyse.i_direct_mv_pred ); |
| COPY( analyse.i_me_range ); |
| COPY( analyse.i_noise_reduction ); |
| /* We can't switch out of subme=0 during encoding. */ |
| if( h->param.analyse.i_subpel_refine ) |
| COPY( analyse.i_subpel_refine ); |
| COPY( analyse.i_trellis ); |
| COPY( analyse.b_chroma_me ); |
| COPY( analyse.b_dct_decimate ); |
| COPY( analyse.b_fast_pskip ); |
| COPY( analyse.b_mixed_references ); |
| COPY( analyse.f_psy_rd ); |
| COPY( analyse.f_psy_trellis ); |
| // can only twiddle these if they were enabled to begin with: |
| if( h->param.analyse.i_me_method >= X264_ME_ESA || param->analyse.i_me_method < X264_ME_ESA ) |
| COPY( analyse.i_me_method ); |
| if( h->pps->b_transform_8x8_mode ) |
| COPY( analyse.b_transform_8x8 ); |
| if( h->frames.i_max_ref1 > 1 ) |
| COPY( b_bframe_pyramid ); |
| #undef COPY |
| |
| mbcmp_init( h ); |
| |
| return x264_validate_parameters( h ); |
| } |
| |
| /* internal usage */ |
| static void x264_nal_start( x264_t *h, int i_type, int i_ref_idc ) |
| { |
| x264_nal_t *nal = &h->out.nal[h->out.i_nal]; |
| |
| nal->i_ref_idc = i_ref_idc; |
| nal->i_type = i_type; |
| |
| nal->i_payload= 0; |
| nal->p_payload= &h->out.p_bitstream[bs_pos( &h->out.bs ) / 8]; |
| } |
| static void x264_nal_end( x264_t *h ) |
| { |
| x264_nal_t *nal = &h->out.nal[h->out.i_nal]; |
| nal->i_payload = &h->out.p_bitstream[bs_pos( &h->out.bs ) / 8] - nal->p_payload; |
| h->out.i_nal++; |
| } |
| |
| /**************************************************************************** |
| * x264_encoder_headers: |
| ****************************************************************************/ |
| int x264_encoder_headers( x264_t *h, x264_nal_t **pp_nal, int *pi_nal ) |
| { |
| /* init bitstream context */ |
| h->out.i_nal = 0; |
| bs_init( &h->out.bs, h->out.p_bitstream, h->out.i_bitstream ); |
| |
| /* Put SPS and PPS */ |
| if( h->i_frame == 0 ) |
| { |
| /* identify ourself */ |
| x264_nal_start( h, NAL_SEI, NAL_PRIORITY_DISPOSABLE ); |
| x264_sei_version_write( h, &h->out.bs ); |
| x264_nal_end( h ); |
| |
| /* generate sequence parameters */ |
| x264_nal_start( h, NAL_SPS, NAL_PRIORITY_HIGHEST ); |
| x264_sps_write( &h->out.bs, h->sps ); |
| x264_nal_end( h ); |
| |
| /* generate picture parameters */ |
| x264_nal_start( h, NAL_PPS, NAL_PRIORITY_HIGHEST ); |
| x264_pps_write( &h->out.bs, h->pps ); |
| x264_nal_end( h ); |
| } |
| /* now set output*/ |
| *pi_nal = h->out.i_nal; |
| *pp_nal = &h->out.nal[0]; |
| h->out.i_nal = 0; |
| |
| return 0; |
| } |
| |
| static inline void x264_reference_build_list( x264_t *h, int i_poc ) |
| { |
| int i; |
| int b_ok; |
| |
| /* build ref list 0/1 */ |
| h->i_ref0 = 0; |
| h->i_ref1 = 0; |
| for( i = 0; h->frames.reference[i]; i++ ) |
| { |
| if( h->frames.reference[i]->i_poc < i_poc ) |
| { |
| h->fref0[h->i_ref0++] = h->frames.reference[i]; |
| } |
| else if( h->frames.reference[i]->i_poc > i_poc ) |
| { |
| h->fref1[h->i_ref1++] = h->frames.reference[i]; |
| } |
| } |
| |
| /* Order ref0 from higher to lower poc */ |
| do |
| { |
| b_ok = 1; |
| for( i = 0; i < h->i_ref0 - 1; i++ ) |
| { |
| if( h->fref0[i]->i_poc < h->fref0[i+1]->i_poc ) |
| { |
| XCHG( x264_frame_t*, h->fref0[i], h->fref0[i+1] ); |
| b_ok = 0; |
| break; |
| } |
| } |
| } while( !b_ok ); |
| /* Order ref1 from lower to higher poc (bubble sort) for B-frame */ |
| do |
| { |
| b_ok = 1; |
| for( i = 0; i < h->i_ref1 - 1; i++ ) |
| { |
| if( h->fref1[i]->i_poc > h->fref1[i+1]->i_poc ) |
| { |
| XCHG( x264_frame_t*, h->fref1[i], h->fref1[i+1] ); |
| b_ok = 0; |
| break; |
| } |
| } |
| } while( !b_ok ); |
| |
| /* In the standard, a P-frame's ref list is sorted by frame_num. |
| * We use POC, but check whether explicit reordering is needed */ |
| h->b_ref_reorder[0] = |
| h->b_ref_reorder[1] = 0; |
| if( h->sh.i_type == SLICE_TYPE_P ) |
| { |
| for( i = 0; i < h->i_ref0 - 1; i++ ) |
| if( h->fref0[i]->i_frame_num < h->fref0[i+1]->i_frame_num ) |
| { |
| h->b_ref_reorder[0] = 1; |
| break; |
| } |
| } |
| |
| h->i_ref1 = X264_MIN( h->i_ref1, h->frames.i_max_ref1 ); |
| h->i_ref0 = X264_MIN( h->i_ref0, h->frames.i_max_ref0 ); |
| h->i_ref0 = X264_MIN( h->i_ref0, h->param.i_frame_reference ); // if reconfig() has lowered the limit |
| assert( h->i_ref0 + h->i_ref1 <= 16 ); |
| h->mb.pic.i_fref[0] = h->i_ref0; |
| h->mb.pic.i_fref[1] = h->i_ref1; |
| } |
| |
| static void x264_fdec_filter_row( x264_t *h, int mb_y ) |
| { |
| /* mb_y is the mb to be encoded next, not the mb to be filtered here */ |
| int b_hpel = h->fdec->b_kept_as_ref; |
| int b_deblock = !h->sh.i_disable_deblocking_filter_idc; |
| int b_end = mb_y == h->sps->i_mb_height; |
| int min_y = mb_y - (1 << h->sh.b_mbaff); |
| int max_y = b_end ? h->sps->i_mb_height : mb_y; |
| b_deblock &= b_hpel || h->param.psz_dump_yuv; |
| if( mb_y & h->sh.b_mbaff ) |
| return; |
| if( min_y < 0 ) |
| return; |
| |
| if( !b_end ) |
| { |
| int i, j; |
| for( j=0; j<=h->sh.b_mbaff; j++ ) |
| for( i=0; i<3; i++ ) |
| { |
| memcpy( h->mb.intra_border_backup[j][i], |
| h->fdec->plane[i] + ((mb_y*16 >> !!i) + j - 1 - h->sh.b_mbaff) * h->fdec->i_stride[i], |
| h->sps->i_mb_width*16 >> !!i ); |
| } |
| } |
| |
| if( b_deblock ) |
| { |
| int y; |
| for( y = min_y; y < max_y; y += (1 << h->sh.b_mbaff) ) |
| x264_frame_deblock_row( h, y ); |
| } |
| |
| if( b_hpel ) |
| { |
| x264_frame_expand_border( h, h->fdec, min_y, b_end ); |
| if( h->param.analyse.i_subpel_refine ) |
| { |
| x264_frame_filter( h, h->fdec, min_y, b_end ); |
| x264_frame_expand_border_filtered( h, h->fdec, min_y, b_end ); |
| } |
| } |
| |
| if( h->param.i_threads > 1 && h->fdec->b_kept_as_ref ) |
| { |
| x264_frame_cond_broadcast( h->fdec, mb_y*16 + (b_end ? 10000 : -(X264_THREAD_HEIGHT << h->sh.b_mbaff)) ); |
| } |
| |
| min_y = X264_MAX( min_y*16-8, 0 ); |
| max_y = b_end ? h->param.i_height : mb_y*16-8; |
| |
| if( h->param.analyse.b_psnr ) |
| { |
| int i; |
| for( i=0; i<3; i++ ) |
| h->stat.frame.i_ssd[i] += |
| x264_pixel_ssd_wxh( &h->pixf, |
| h->fdec->plane[i] + (min_y>>!!i) * h->fdec->i_stride[i], h->fdec->i_stride[i], |
| h->fenc->plane[i] + (min_y>>!!i) * h->fenc->i_stride[i], h->fenc->i_stride[i], |
| h->param.i_width >> !!i, (max_y-min_y) >> !!i ); |
| } |
| |
| if( h->param.analyse.b_ssim ) |
| { |
| x264_emms(); |
| /* offset by 2 pixels to avoid alignment of ssim blocks with dct blocks, |
| * and overlap by 4 */ |
| min_y += min_y == 0 ? 2 : -6; |
| h->stat.frame.f_ssim += |
| x264_pixel_ssim_wxh( &h->pixf, |
| h->fdec->plane[0] + 2+min_y*h->fdec->i_stride[0], h->fdec->i_stride[0], |
| h->fenc->plane[0] + 2+min_y*h->fenc->i_stride[0], h->fenc->i_stride[0], |
| h->param.i_width-2, max_y-min_y ); |
| } |
| } |
| |
| static inline void x264_reference_update( x264_t *h ) |
| { |
| int i; |
| |
| if( h->fdec->i_frame >= 0 ) |
| h->i_frame++; |
| |
| if( !h->fdec->b_kept_as_ref ) |
| { |
| if( h->param.i_threads > 1 ) |
| { |
| x264_frame_push_unused( h, h->fdec ); |
| h->fdec = x264_frame_pop_unused( h ); |
| } |
| return; |
| } |
| |
| /* move lowres copy of the image to the ref frame */ |
| for( i = 0; i < 4; i++) |
| { |
| XCHG( uint8_t*, h->fdec->lowres[i], h->fenc->lowres[i] ); |
| XCHG( uint8_t*, h->fdec->buffer_lowres[i], h->fenc->buffer_lowres[i] ); |
| } |
| |
| /* adaptive B decision needs a pointer, since it can't use the ref lists */ |
| if( h->sh.i_type != SLICE_TYPE_B ) |
| h->frames.last_nonb = h->fdec; |
| |
| /* move frame in the buffer */ |
| x264_frame_push( h->frames.reference, h->fdec ); |
| if( h->frames.reference[h->frames.i_max_dpb] ) |
| x264_frame_push_unused( h, x264_frame_shift( h->frames.reference ) ); |
| h->fdec = x264_frame_pop_unused( h ); |
| } |
| |
| static inline void x264_reference_reset( x264_t *h ) |
| { |
| while( h->frames.reference[0] ) |
| x264_frame_push_unused( h, x264_frame_pop( h->frames.reference ) ); |
| h->fdec->i_poc = |
| h->fenc->i_poc = 0; |
| } |
| |
| static inline void x264_slice_init( x264_t *h, int i_nal_type, int i_global_qp ) |
| { |
| /* ------------------------ Create slice header ----------------------- */ |
| if( i_nal_type == NAL_SLICE_IDR ) |
| { |
| x264_slice_header_init( h, &h->sh, h->sps, h->pps, h->i_idr_pic_id, h->i_frame_num, i_global_qp ); |
| |
| /* increment id */ |
| h->i_idr_pic_id = ( h->i_idr_pic_id + 1 ) % 65536; |
| } |
| else |
| { |
| x264_slice_header_init( h, &h->sh, h->sps, h->pps, -1, h->i_frame_num, i_global_qp ); |
| |
| /* always set the real higher num of ref frame used */ |
| h->sh.b_num_ref_idx_override = 1; |
| h->sh.i_num_ref_idx_l0_active = h->i_ref0 <= 0 ? 1 : h->i_ref0; |
| h->sh.i_num_ref_idx_l1_active = h->i_ref1 <= 0 ? 1 : h->i_ref1; |
| } |
| |
| h->fdec->i_frame_num = h->sh.i_frame_num; |
| |
| if( h->sps->i_poc_type == 0 ) |
| { |
| h->sh.i_poc_lsb = h->fdec->i_poc & ( (1 << h->sps->i_log2_max_poc_lsb) - 1 ); |
| h->sh.i_delta_poc_bottom = 0; /* XXX won't work for field */ |
| } |
| else if( h->sps->i_poc_type == 1 ) |
| { |
| /* FIXME TODO FIXME */ |
| } |
| else |
| { |
| /* Nothing to do ? */ |
| } |
| |
| x264_macroblock_slice_init( h ); |
| } |
| |
| static void x264_slice_write( x264_t *h ) |
| { |
| int i_skip; |
| int mb_xy, i_mb_x, i_mb_y; |
| int i, i_list, i_ref; |
| |
| /* init stats */ |
| memset( &h->stat.frame, 0, sizeof(h->stat.frame) ); |
| |
| /* Slice */ |
| x264_nal_start( h, h->i_nal_type, h->i_nal_ref_idc ); |
| |
| /* Slice header */ |
| x264_slice_header_write( &h->out.bs, &h->sh, h->i_nal_ref_idc ); |
| if( h->param.b_cabac ) |
| { |
| /* alignment needed */ |
| bs_align_1( &h->out.bs ); |
| |
| /* init cabac */ |
| x264_cabac_context_init( &h->cabac, h->sh.i_type, h->sh.i_qp, h->sh.i_cabac_init_idc ); |
| x264_cabac_encode_init ( &h->cabac, h->out.bs.p, h->out.bs.p_end ); |
| } |
| h->mb.i_last_qp = h->sh.i_qp; |
| h->mb.i_last_dqp = 0; |
| |
| i_mb_y = h->sh.i_first_mb / h->sps->i_mb_width; |
| i_mb_x = h->sh.i_first_mb % h->sps->i_mb_width; |
| i_skip = 0; |
| |
| while( (mb_xy = i_mb_x + i_mb_y * h->sps->i_mb_width) < h->sh.i_last_mb ) |
| { |
| int mb_spos = bs_pos(&h->out.bs) + x264_cabac_pos(&h->cabac); |
| |
| if( i_mb_x == 0 ) |
| x264_fdec_filter_row( h, i_mb_y ); |
| |
| /* load cache */ |
| x264_macroblock_cache_load( h, i_mb_x, i_mb_y ); |
| |
| /* analyse parameters |
| * Slice I: choose I_4x4 or I_16x16 mode |
| * Slice P: choose between using P mode or intra (4x4 or 16x16) |
| * */ |
| x264_macroblock_analyse( h ); |
| |
| /* encode this macroblock -> be careful it can change the mb type to P_SKIP if needed */ |
| x264_macroblock_encode( h ); |
| |
| x264_bitstream_check_buffer( h ); |
| |
| if( h->param.b_cabac ) |
| { |
| if( mb_xy > h->sh.i_first_mb && !(h->sh.b_mbaff && (i_mb_y&1)) ) |
| x264_cabac_encode_terminal( &h->cabac ); |
| |
| if( IS_SKIP( h->mb.i_type ) ) |
| x264_cabac_mb_skip( h, 1 ); |
| else |
| { |
| if( h->sh.i_type != SLICE_TYPE_I ) |
| x264_cabac_mb_skip( h, 0 ); |
| x264_macroblock_write_cabac( h, &h->cabac ); |
| } |
| } |
| else |
| { |
| if( IS_SKIP( h->mb.i_type ) ) |
| i_skip++; |
| else |
| { |
| if( h->sh.i_type != SLICE_TYPE_I ) |
| { |
| bs_write_ue( &h->out.bs, i_skip ); /* skip run */ |
| i_skip = 0; |
| } |
| x264_macroblock_write_cavlc( h, &h->out.bs ); |
| } |
| } |
| |
| #if VISUALIZE |
| if( h->param.b_visualize ) |
| x264_visualize_mb( h ); |
| #endif |
| |
| /* save cache */ |
| x264_macroblock_cache_save( h ); |
| |
| /* accumulate mb stats */ |
| h->stat.frame.i_mb_count[h->mb.i_type]++; |
| if( !IS_SKIP(h->mb.i_type) && !IS_INTRA(h->mb.i_type) && !IS_DIRECT(h->mb.i_type) ) |
| { |
| if( h->mb.i_partition != D_8x8 ) |
| h->stat.frame.i_mb_partition[h->mb.i_partition] += 4; |
| else |
| for( i = 0; i < 4; i++ ) |
| h->stat.frame.i_mb_partition[h->mb.i_sub_partition[i]] ++; |
| if( h->param.i_frame_reference > 1 ) |
| for( i_list = 0; i_list <= (h->sh.i_type == SLICE_TYPE_B); i_list++ ) |
| for( i = 0; i < 4; i++ ) |
| { |
| i_ref = h->mb.cache.ref[i_list][ x264_scan8[4*i] ]; |
| if( i_ref >= 0 ) |
| h->stat.frame.i_mb_count_ref[i_list][i_ref] ++; |
| } |
| } |
| if( h->mb.i_cbp_luma && !IS_INTRA(h->mb.i_type) ) |
| { |
| h->stat.frame.i_mb_count_8x8dct[0] ++; |
| h->stat.frame.i_mb_count_8x8dct[1] += h->mb.b_transform_8x8; |
| } |
| |
| x264_ratecontrol_mb( h, bs_pos(&h->out.bs) + x264_cabac_pos(&h->cabac) - mb_spos ); |
| |
| if( h->sh.b_mbaff ) |
| { |
| i_mb_x += i_mb_y & 1; |
| i_mb_y ^= i_mb_x < h->sps->i_mb_width; |
| } |
| else |
| i_mb_x++; |
| if(i_mb_x == h->sps->i_mb_width) |
| { |
| i_mb_y++; |
| i_mb_x = 0; |
| } |
| } |
| |
| if( h->param.b_cabac ) |
| { |
| x264_cabac_encode_flush( h, &h->cabac ); |
| h->out.bs.p = h->cabac.p; |
| } |
| else |
| { |
| if( i_skip > 0 ) |
| bs_write_ue( &h->out.bs, i_skip ); /* last skip run */ |
| /* rbsp_slice_trailing_bits */ |
| bs_rbsp_trailing( &h->out.bs ); |
| } |
| |
| x264_nal_end( h ); |
| |
| x264_fdec_filter_row( h, h->sps->i_mb_height ); |
| |
| /* Compute misc bits */ |
| h->stat.frame.i_misc_bits = bs_pos( &h->out.bs ) |
| + NALU_OVERHEAD * 8 |
| - h->stat.frame.i_tex_bits |
| - h->stat.frame.i_mv_bits; |
| } |
| |
| static void x264_thread_sync_context( x264_t *dst, x264_t *src ) |
| { |
| x264_frame_t **f; |
| if( dst == src ) |
| return; |
| |
| // reference counting |
| for( f = src->frames.reference; *f; f++ ) |
| (*f)->i_reference_count++; |
| for( f = dst->frames.reference; *f; f++ ) |
| x264_frame_push_unused( src, *f ); |
| src->fdec->i_reference_count++; |
| x264_frame_push_unused( src, dst->fdec ); |
| |
| // copy everything except the per-thread pointers and the constants. |
| memcpy( &dst->i_frame, &src->i_frame, offsetof(x264_t, mb.type) - offsetof(x264_t, i_frame) ); |
| dst->stat = src->stat; |
| } |
| |
| static void x264_thread_sync_stat( x264_t *dst, x264_t *src ) |
| { |
| if( dst == src ) |
| return; |
| memcpy( &dst->stat.i_slice_count, &src->stat.i_slice_count, sizeof(dst->stat) - sizeof(dst->stat.frame) ); |
| } |
| |
| static int x264_slices_write( x264_t *h ) |
| { |
| int i_frame_size; |
| |
| #ifdef HAVE_MMX |
| /* Misalign mask has to be set separately for each thread. */ |
| if( h->param.cpu&X264_CPU_SSE_MISALIGN ) |
| x264_cpu_mask_misalign_sse(); |
| #endif |
| |
| #if VISUALIZE |
| if( h->param.b_visualize ) |
| x264_visualize_init( h ); |
| #endif |
| |
| x264_stack_align( x264_slice_write, h ); |
| i_frame_size = h->out.nal[h->out.i_nal-1].i_payload; |
| |
| #if VISUALIZE |
| if( h->param.b_visualize ) |
| { |
| x264_visualize_show( h ); |
| x264_visualize_close( h ); |
| } |
| #endif |
| |
| h->out.i_frame_size = i_frame_size; |
| return 0; |
| } |
| |
| /**************************************************************************** |
| * x264_encoder_encode: |
| * XXX: i_poc : is the poc of the current given picture |
| * i_frame : is the number of the frame being coded |
| * ex: type frame poc |
| * I 0 2*0 |
| * P 1 2*3 |
| * B 2 2*1 |
| * B 3 2*2 |
| * P 4 2*6 |
| * B 5 2*4 |
| * B 6 2*5 |
| ****************************************************************************/ |
| int x264_encoder_encode( x264_t *h, |
| x264_nal_t **pp_nal, int *pi_nal, |
| x264_picture_t *pic_in, |
| x264_picture_t *pic_out ) |
| { |
| x264_t *thread_current, *thread_prev, *thread_oldest; |
| int i_nal_type; |
| int i_nal_ref_idc; |
| |
| int i_global_qp; |
| |
| if( h->param.i_threads > 1) |
| { |
| int i = ++h->i_thread_phase; |
| int t = h->param.i_threads; |
| thread_current = h->thread[ i%t ]; |
| thread_prev = h->thread[ (i-1)%t ]; |
| thread_oldest = h->thread[ (i+1)%t ]; |
| x264_thread_sync_context( thread_current, thread_prev ); |
| x264_thread_sync_ratecontrol( thread_current, thread_prev, thread_oldest ); |
| h = thread_current; |
| // fprintf(stderr, "current: %p prev: %p oldest: %p \n", thread_current, thread_prev, thread_oldest); |
| } |
| else |
| { |
| thread_current = |
| thread_prev = |
| thread_oldest = h; |
| } |
| |
| // ok to call this before encoding any frames, since the initial values of fdec have b_kept_as_ref=0 |
| x264_reference_update( h ); |
| h->fdec->i_lines_completed = -1; |
| |
| /* no data out */ |
| *pi_nal = 0; |
| *pp_nal = NULL; |
| |
| /* ------------------- Setup new frame from picture -------------------- */ |
| if( pic_in != NULL ) |
| { |
| /* 1: Copy the picture to a frame and move it to a buffer */ |
| x264_frame_t *fenc = x264_frame_pop_unused( h ); |
| |
| if( x264_frame_copy_picture( h, fenc, pic_in ) < 0 ) |
| return -1; |
| |
| if( h->param.i_width != 16 * h->sps->i_mb_width || |
| h->param.i_height != 16 * h->sps->i_mb_height ) |
| x264_frame_expand_border_mod16( h, fenc ); |
| |
| fenc->i_frame = h->frames.i_input++; |
| |
| x264_frame_push( h->frames.next, fenc ); |
| |
| if( h->frames.b_have_lowres ) |
| x264_frame_init_lowres( h, fenc ); |
| |
| if( h->param.rc.i_aq_mode ) |
| x264_adaptive_quant_frame( h, fenc ); |
| |
| if( h->frames.i_input <= h->frames.i_delay + 1 - h->param.i_threads ) |
| { |
| /* Nothing yet to encode */ |
| /* waiting for filling bframe buffer */ |
| pic_out->i_type = X264_TYPE_AUTO; |
| return 0; |
| } |
| } |
| |
| if( h->frames.current[0] == NULL ) |
| { |
| int bframes = 0; |
| /* 2: Select frame types */ |
| if( h->frames.next[0] == NULL ) |
| { |
| x264_encoder_frame_end( thread_oldest, thread_current, pp_nal, pi_nal, pic_out ); |
| return 0; |
| } |
| |
| x264_slicetype_decide( h ); |
| |
| /* 3: move some B-frames and 1 non-B to encode queue */ |
| while( IS_X264_TYPE_B( h->frames.next[bframes]->i_type ) ) |
| bframes++; |
| x264_frame_push( h->frames.current, x264_frame_shift( &h->frames.next[bframes] ) ); |
| /* FIXME: when max B-frames > 3, BREF may no longer be centered after GOP closing */ |
| if( h->param.b_bframe_pyramid && bframes > 1 ) |
| { |
| x264_frame_t *mid = x264_frame_shift( &h->frames.next[bframes/2] ); |
| mid->i_type = X264_TYPE_BREF; |
| x264_frame_push( h->frames.current, mid ); |
| bframes--; |
| } |
| while( bframes-- ) |
| x264_frame_push( h->frames.current, x264_frame_shift( h->frames.next ) ); |
| } |
| |
| /* ------------------- Get frame to be encoded ------------------------- */ |
| /* 4: get picture to encode */ |
| h->fenc = x264_frame_shift( h->frames.current ); |
| if( h->fenc == NULL ) |
| { |
| /* Nothing yet to encode (ex: waiting for I/P with B frames) */ |
| /* waiting for filling bframe buffer */ |
| pic_out->i_type = X264_TYPE_AUTO; |
| return 0; |
| } |
| |
| do_encode: |
| |
| if( h->fenc->i_type == X264_TYPE_IDR ) |
| { |
| h->frames.i_last_idr = h->fenc->i_frame; |
| } |
| |
| /* ------------------- Setup frame context ----------------------------- */ |
| /* 5: Init data dependent of frame type */ |
| if( h->fenc->i_type == X264_TYPE_IDR ) |
| { |
| /* reset ref pictures */ |
| x264_reference_reset( h ); |
| |
| i_nal_type = NAL_SLICE_IDR; |
| i_nal_ref_idc = NAL_PRIORITY_HIGHEST; |
| h->sh.i_type = SLICE_TYPE_I; |
| } |
| else if( h->fenc->i_type == X264_TYPE_I ) |
| { |
| i_nal_type = NAL_SLICE; |
| i_nal_ref_idc = NAL_PRIORITY_HIGH; /* Not completely true but for now it is (as all I/P are kept as ref)*/ |
| h->sh.i_type = SLICE_TYPE_I; |
| } |
| else if( h->fenc->i_type == X264_TYPE_P ) |
| { |
| i_nal_type = NAL_SLICE; |
| i_nal_ref_idc = NAL_PRIORITY_HIGH; /* Not completely true but for now it is (as all I/P are kept as ref)*/ |
| h->sh.i_type = SLICE_TYPE_P; |
| } |
| else if( h->fenc->i_type == X264_TYPE_BREF ) |
| { |
| i_nal_type = NAL_SLICE; |
| i_nal_ref_idc = NAL_PRIORITY_HIGH; /* maybe add MMCO to forget it? -> low */ |
| h->sh.i_type = SLICE_TYPE_B; |
| } |
| else /* B frame */ |
| { |
| i_nal_type = NAL_SLICE; |
| i_nal_ref_idc = NAL_PRIORITY_DISPOSABLE; |
| h->sh.i_type = SLICE_TYPE_B; |
| } |
| |
| h->fdec->i_poc = |
| h->fenc->i_poc = 2 * (h->fenc->i_frame - h->frames.i_last_idr); |
| h->fdec->i_type = h->fenc->i_type; |
| h->fdec->i_frame = h->fenc->i_frame; |
| h->fenc->b_kept_as_ref = |
| h->fdec->b_kept_as_ref = i_nal_ref_idc != NAL_PRIORITY_DISPOSABLE && h->param.i_keyint_max > 1; |
| |
| |
| |
| /* ------------------- Init ----------------------------- */ |
| /* build ref list 0/1 */ |
| x264_reference_build_list( h, h->fdec->i_poc ); |
| |
| /* Init the rate control */ |
| x264_ratecontrol_start( h, h->fenc->i_qpplus1 ); |
| i_global_qp = x264_ratecontrol_qp( h ); |
| |
| pic_out->i_qpplus1 = |
| h->fdec->i_qpplus1 = i_global_qp + 1; |
| |
| if( h->sh.i_type == SLICE_TYPE_B ) |
| x264_macroblock_bipred_init( h ); |
| |
| /* ------------------------ Create slice header ----------------------- */ |
| x264_slice_init( h, i_nal_type, i_global_qp ); |
| |
| if( i_nal_ref_idc != NAL_PRIORITY_DISPOSABLE ) |
| h->i_frame_num++; |
| |
| /* ---------------------- Write the bitstream -------------------------- */ |
| /* Init bitstream context */ |
| h->out.i_nal = 0; |
| bs_init( &h->out.bs, h->out.p_bitstream, h->out.i_bitstream ); |
| |
| if(h->param.b_aud){ |
| int pic_type; |
| |
| if(h->sh.i_type == SLICE_TYPE_I) |
| pic_type = 0; |
| else if(h->sh.i_type == SLICE_TYPE_P) |
| pic_type = 1; |
| else if(h->sh.i_type == SLICE_TYPE_B) |
| pic_type = 2; |
| else |
| pic_type = 7; |
| |
| x264_nal_start(h, NAL_AUD, NAL_PRIORITY_DISPOSABLE); |
| bs_write(&h->out.bs, 3, pic_type); |
| bs_rbsp_trailing(&h->out.bs); |
| x264_nal_end(h); |
| } |
| |
| h->i_nal_type = i_nal_type; |
| h->i_nal_ref_idc = i_nal_ref_idc; |
| |
| /* Write SPS and PPS */ |
| if( i_nal_type == NAL_SLICE_IDR && h->param.b_repeat_headers ) |
| { |
| if( h->fenc->i_frame == 0 ) |
| { |
| /* identify ourself */ |
| x264_nal_start( h, NAL_SEI, NAL_PRIORITY_DISPOSABLE ); |
| x264_sei_version_write( h, &h->out.bs ); |
| x264_nal_end( h ); |
| } |
| |
| /* generate sequence parameters */ |
| x264_nal_start( h, NAL_SPS, NAL_PRIORITY_HIGHEST ); |
| x264_sps_write( &h->out.bs, h->sps ); |
| x264_nal_end( h ); |
| |
| /* generate picture parameters */ |
| x264_nal_start( h, NAL_PPS, NAL_PRIORITY_HIGHEST ); |
| x264_pps_write( &h->out.bs, h->pps ); |
| x264_nal_end( h ); |
| } |
| |
| /* Write frame */ |
| if( h->param.i_threads > 1 ) |
| { |
| x264_pthread_create( &h->thread_handle, NULL, (void*)x264_slices_write, h ); |
| h->b_thread_active = 1; |
| } |
| else |
| x264_slices_write( h ); |
| |
| /* restore CPU state (before using float again) */ |
| x264_emms(); |
| |
| if( h->sh.i_type == SLICE_TYPE_P && !h->param.rc.b_stat_read |
| && h->param.i_scenecut_threshold >= 0 |
| && !h->param.b_pre_scenecut ) |
| { |
| const int *mbs = h->stat.frame.i_mb_count; |
| int i_mb_i = mbs[I_16x16] + mbs[I_8x8] + mbs[I_4x4]; |
| int i_mb_p = mbs[P_L0] + mbs[P_8x8]; |
| int i_mb_s = mbs[P_SKIP]; |
| int i_mb = h->sps->i_mb_width * h->sps->i_mb_height; |
| int64_t i_inter_cost = h->stat.frame.i_inter_cost; |
| int64_t i_intra_cost = h->stat.frame.i_intra_cost; |
| |
| float f_bias; |
| int i_gop_size = h->fenc->i_frame - h->frames.i_last_idr; |
| float f_thresh_max = h->param.i_scenecut_threshold / 100.0; |
| /* magic numbers pulled out of thin air */ |
| float f_thresh_min = f_thresh_max * h->param.i_keyint_min |
| / ( h->param.i_keyint_max * 4 ); |
| if( h->param.i_keyint_min == h->param.i_keyint_max ) |
| f_thresh_min= f_thresh_max; |
| |
| /* macroblock_analyse() doesn't further analyse skipped mbs, |
| * so we have to guess their cost */ |
| if( h->stat.frame.i_mbs_analysed > 0 ) |
| i_intra_cost = i_intra_cost * i_mb / h->stat.frame.i_mbs_analysed; |
| |
| if( i_gop_size < h->param.i_keyint_min / 4 ) |
| f_bias = f_thresh_min / 4; |
| else if( i_gop_size <= h->param.i_keyint_min ) |
| f_bias = f_thresh_min * i_gop_size / h->param.i_keyint_min; |
| else |
| { |
| f_bias = f_thresh_min |
| + ( f_thresh_max - f_thresh_min ) |
| * ( i_gop_size - h->param.i_keyint_min ) |
| / ( h->param.i_keyint_max - h->param.i_keyint_min ); |
| } |
| f_bias = X264_MIN( f_bias, 1.0 ); |
| |
| /* Bad P will be reencoded as I */ |
| if( h->stat.frame.i_mbs_analysed > 0 && |
| i_inter_cost >= (1.0 - f_bias) * i_intra_cost ) |
| { |
| int b; |
| |
| x264_log( h, X264_LOG_DEBUG, "scene cut at %d Icost:%.0f Pcost:%.0f ratio:%.4f bias:%.4f gop:%d (imb:%d pmb:%d smb:%d)\n", |
| h->fenc->i_frame, |
| (double)i_intra_cost, (double)i_inter_cost, |
| 1. - (double)i_inter_cost / i_intra_cost, |
| f_bias, i_gop_size, |
| i_mb_i, i_mb_p, i_mb_s ); |
| |
| /* Restore frame num */ |
| h->i_frame_num--; |
| |
| for( b = 0; h->frames.current[b] && IS_X264_TYPE_B( h->frames.current[b]->i_type ); b++ ); |
| if( b > 0 ) |
| { |
| /* If using B-frames, force GOP to be closed. |
| * Even if this frame is going to be I and not IDR, forcing a |
| * P-frame before the scenecut will probably help compression. |
| * |
| * We don't yet know exactly which frame is the scene cut, so |
| * we can't assign an I-frame. Instead, change the previous |
| * B-frame to P, and rearrange coding order. */ |
| |
| if( h->param.i_bframe_adaptive || b > 1 ) |
| h->fenc->i_type = X264_TYPE_AUTO; |
| x264_frame_sort_pts( h->frames.current ); |
| x264_frame_unshift( h->frames.next, h->fenc ); |
| h->fenc = h->frames.current[b-1]; |
| h->frames.current[b-1] = NULL; |
| h->fenc->i_type = X264_TYPE_P; |
| x264_frame_sort_dts( h->frames.current ); |
| } |
| /* Do IDR if needed */ |
| else if( i_gop_size >= h->param.i_keyint_min ) |
| { |
| /* Reset */ |
| h->i_frame_num = 0; |
| |
| /* Reinit field of fenc */ |
| h->fenc->i_type = X264_TYPE_IDR; |
| h->fenc->i_poc = 0; |
| |
| /* Put enqueued frames back in the pool */ |
| while( h->frames.current[0] ) |
| x264_frame_push( h->frames.next, x264_frame_shift( h->frames.current ) ); |
| x264_frame_sort_pts( h->frames.next ); |
| } |
| else |
| { |
| h->fenc->i_type = X264_TYPE_I; |
| } |
| goto do_encode; |
| } |
| } |
| |
| x264_encoder_frame_end( thread_oldest, thread_current, pp_nal, pi_nal, pic_out ); |
| return 0; |
| } |
| |
| static void x264_encoder_frame_end( x264_t *h, x264_t *thread_current, |
| x264_nal_t **pp_nal, int *pi_nal, |
| x264_picture_t *pic_out ) |
| { |
| int i, i_list; |
| char psz_message[80]; |
| |
| if( h->b_thread_active ) |
| { |
| x264_pthread_join( h->thread_handle, NULL ); |
| h->b_thread_active = 0; |
| } |
| if( !h->out.i_nal ) |
| { |
| pic_out->i_type = X264_TYPE_AUTO; |
| return; |
| } |
| |
| x264_frame_push_unused( thread_current, h->fenc ); |
| |
| /* End bitstream, set output */ |
| *pi_nal = h->out.i_nal; |
| *pp_nal = h->out.nal; |
| h->out.i_nal = 0; |
| |
| /* Set output picture properties */ |
| if( h->sh.i_type == SLICE_TYPE_I ) |
| pic_out->i_type = h->i_nal_type == NAL_SLICE_IDR ? X264_TYPE_IDR : X264_TYPE_I; |
| else if( h->sh.i_type == SLICE_TYPE_P ) |
| pic_out->i_type = X264_TYPE_P; |
| else |
| pic_out->i_type = X264_TYPE_B; |
| pic_out->i_pts = h->fenc->i_pts; |
| |
| pic_out->img.i_plane = h->fdec->i_plane; |
| for(i = 0; i < 4; i++){ |
| pic_out->img.i_stride[i] = h->fdec->i_stride[i]; |
| pic_out->img.plane[i] = h->fdec->plane[i]; |
| } |
| |
| /* ---------------------- Update encoder state ------------------------- */ |
| |
| /* update rc */ |
| x264_emms(); |
| x264_ratecontrol_end( h, h->out.i_frame_size * 8 ); |
| |
| /* restore CPU state (before using float again) */ |
| x264_emms(); |
| |
| x264_noise_reduction_update( thread_current ); |
| |
| /* ---------------------- Compute/Print statistics --------------------- */ |
| x264_thread_sync_stat( h, h->thread[0] ); |
| |
| /* Slice stat */ |
| h->stat.i_slice_count[h->sh.i_type]++; |
| h->stat.i_slice_size[h->sh.i_type] += h->out.i_frame_size + NALU_OVERHEAD; |
| h->stat.f_slice_qp[h->sh.i_type] += h->fdec->f_qp_avg_aq; |
| |
| for( i = 0; i < X264_MBTYPE_MAX; i++ ) |
| h->stat.i_mb_count[h->sh.i_type][i] += h->stat.frame.i_mb_count[i]; |
| for( i = 0; i < X264_PARTTYPE_MAX; i++ ) |
| h->stat.i_mb_partition[h->sh.i_type][i] += h->stat.frame.i_mb_partition[i]; |
| for( i = 0; i < 2; i++ ) |
| h->stat.i_mb_count_8x8dct[i] += h->stat.frame.i_mb_count_8x8dct[i]; |
| if( h->sh.i_type != SLICE_TYPE_I ) |
| for( i_list = 0; i_list < 2; i_list++ ) |
| for( i = 0; i < 32; i++ ) |
| h->stat.i_mb_count_ref[h->sh.i_type][i_list][i] += h->stat.frame.i_mb_count_ref[i_list][i]; |
| if( h->sh.i_type == SLICE_TYPE_P ) |
| h->stat.i_consecutive_bframes[h->fdec->i_frame - h->fref0[0]->i_frame - 1]++; |
| if( h->sh.i_type == SLICE_TYPE_B ) |
| { |
| h->stat.i_direct_frames[ h->sh.b_direct_spatial_mv_pred ] ++; |
| if( h->mb.b_direct_auto_write ) |
| { |
| //FIXME somewhat arbitrary time constants |
| if( h->stat.i_direct_score[0] + h->stat.i_direct_score[1] > h->mb.i_mb_count ) |
| { |
| for( i = 0; i < 2; i++ ) |
| h->stat.i_direct_score[i] = h->stat.i_direct_score[i] * 9/10; |
| } |
| for( i = 0; i < 2; i++ ) |
| h->stat.i_direct_score[i] += h->stat.frame.i_direct_score[i]; |
| } |
| } |
| |
| psz_message[0] = '\0'; |
| if( h->param.analyse.b_psnr ) |
| { |
| int64_t ssd[3] = { |
| h->stat.frame.i_ssd[0], |
| h->stat.frame.i_ssd[1], |
| h->stat.frame.i_ssd[2], |
| }; |
| |
| h->stat.i_ssd_global[h->sh.i_type] += ssd[0] + ssd[1] + ssd[2]; |
| h->stat.f_psnr_average[h->sh.i_type] += x264_psnr( ssd[0] + ssd[1] + ssd[2], 3 * h->param.i_width * h->param.i_height / 2 ); |
| h->stat.f_psnr_mean_y[h->sh.i_type] += x264_psnr( ssd[0], h->param.i_width * h->param.i_height ); |
| h->stat.f_psnr_mean_u[h->sh.i_type] += x264_psnr( ssd[1], h->param.i_width * h->param.i_height / 4 ); |
| h->stat.f_psnr_mean_v[h->sh.i_type] += x264_psnr( ssd[2], h->param.i_width * h->param.i_height / 4 ); |
| |
| snprintf( psz_message, 80, " PSNR Y:%5.2f U:%5.2f V:%5.2f", |
| x264_psnr( ssd[0], h->param.i_width * h->param.i_height ), |
| x264_psnr( ssd[1], h->param.i_width * h->param.i_height / 4), |
| x264_psnr( ssd[2], h->param.i_width * h->param.i_height / 4) ); |
| } |
| |
| if( h->param.analyse.b_ssim ) |
| { |
| double ssim_y = h->stat.frame.f_ssim |
| / (((h->param.i_width-6)>>2) * ((h->param.i_height-6)>>2)); |
| h->stat.f_ssim_mean_y[h->sh.i_type] += ssim_y; |
| snprintf( psz_message + strlen(psz_message), 80 - strlen(psz_message), |
| " SSIM Y:%.5f", ssim_y ); |
| } |
| psz_message[79] = '\0'; |
| |
| x264_log( h, X264_LOG_DEBUG, |
| "frame=%4d QP=%.2f NAL=%d Slice:%c Poc:%-3d I:%-4d P:%-4d SKIP:%-4d size=%d bytes%s\n", |
| h->i_frame, |
| h->fdec->f_qp_avg_aq, |
| h->i_nal_ref_idc, |
| h->sh.i_type == SLICE_TYPE_I ? 'I' : (h->sh.i_type == SLICE_TYPE_P ? 'P' : 'B' ), |
| h->fdec->i_poc, |
| h->stat.frame.i_mb_count_i, |
| h->stat.frame.i_mb_count_p, |
| h->stat.frame.i_mb_count_skip, |
| h->out.i_frame_size, |
| psz_message ); |
| |
| // keep stats all in one place |
| x264_thread_sync_stat( h->thread[0], h ); |
| // for the use of the next frame |
| x264_thread_sync_stat( thread_current, h ); |
| |
| #ifdef DEBUG_MB_TYPE |
| { |
| static const char mb_chars[] = { 'i', 'i', 'I', 'C', 'P', '8', 'S', |
| 'D', '<', 'X', 'B', 'X', '>', 'B', 'B', 'B', 'B', '8', 'S' }; |
| int mb_xy; |
| for( mb_xy = 0; mb_xy < h->sps->i_mb_width * h->sps->i_mb_height; mb_xy++ ) |
| { |
| if( h->mb.type[mb_xy] < X264_MBTYPE_MAX && h->mb.type[mb_xy] >= 0 ) |
| fprintf( stderr, "%c ", mb_chars[ h->mb.type[mb_xy] ] ); |
| else |
| fprintf( stderr, "? " ); |
| |
| if( (mb_xy+1) % h->sps->i_mb_width == 0 ) |
| fprintf( stderr, "\n" ); |
| } |
| } |
| #endif |
| |
| if( h->param.psz_dump_yuv ) |
| x264_frame_dump( h ); |
| } |
| |
| static void x264_print_intra( int64_t *i_mb_count, double i_count, int b_print_pcm, char *intra ) |
| { |
| intra += sprintf( intra, "I16..4%s: %4.1f%% %4.1f%% %4.1f%%", |
| b_print_pcm ? "..PCM" : "", |
| i_mb_count[I_16x16]/ i_count, |
| i_mb_count[I_8x8] / i_count, |
| i_mb_count[I_4x4] / i_count ); |
| if( b_print_pcm ) |
| sprintf( intra, " %4.1f%%", i_mb_count[I_PCM] / i_count ); |
| } |
| |
| /**************************************************************************** |
| * x264_encoder_close: |
| ****************************************************************************/ |
| void x264_encoder_close ( x264_t *h ) |
| { |
| int64_t i_yuv_size = 3 * h->param.i_width * h->param.i_height / 2; |
| int64_t i_mb_count_size[2][7] = {{0}}; |
| char buf[200]; |
| int i, j, i_list, i_type; |
| int b_print_pcm = h->stat.i_mb_count[SLICE_TYPE_I][I_PCM] |
| || h->stat.i_mb_count[SLICE_TYPE_P][I_PCM] |
| || h->stat.i_mb_count[SLICE_TYPE_B][I_PCM]; |
| |
| for( i=0; i<h->param.i_threads; i++ ) |
| { |
| // don't strictly have to wait for the other threads, but it's simpler than canceling them |
| if( h->thread[i]->b_thread_active ) |
| { |
| x264_pthread_join( h->thread[i]->thread_handle, NULL ); |
| assert( h->thread[i]->fenc->i_reference_count == 1 ); |
| x264_frame_delete( h->thread[i]->fenc ); |
| } |
| } |
| |
| /* Slices used and PSNR */ |
| for( i=0; i<5; i++ ) |
| { |
| static const int slice_order[] = { SLICE_TYPE_I, SLICE_TYPE_SI, SLICE_TYPE_P, SLICE_TYPE_SP, SLICE_TYPE_B }; |
| static const char *slice_name[] = { "P", "B", "I", "SP", "SI" }; |
| int i_slice = slice_order[i]; |
| |
| if( h->stat.i_slice_count[i_slice] > 0 ) |
| { |
| const int i_count = h->stat.i_slice_count[i_slice]; |
| if( h->param.analyse.b_psnr ) |
| { |
| x264_log( h, X264_LOG_INFO, |
| "slice %s:%-5d Avg QP:%5.2f size:%6.0f PSNR Mean Y:%5.2f U:%5.2f V:%5.2f Avg:%5.2f Global:%5.2f\n", |
| slice_name[i_slice], |
| i_count, |
| h->stat.f_slice_qp[i_slice] / i_count, |
| (double)h->stat.i_slice_size[i_slice] / i_count, |
| h->stat.f_psnr_mean_y[i_slice] / i_count, h->stat.f_psnr_mean_u[i_slice] / i_count, h->stat.f_psnr_mean_v[i_slice] / i_count, |
| h->stat.f_psnr_average[i_slice] / i_count, |
| x264_psnr( h->stat.i_ssd_global[i_slice], i_count * i_yuv_size ) ); |
| } |
| else |
| { |
| x264_log( h, X264_LOG_INFO, |
| "slice %s:%-5d Avg QP:%5.2f size:%6.0f\n", |
| slice_name[i_slice], |
| i_count, |
| h->stat.f_slice_qp[i_slice] / i_count, |
| (double)h->stat.i_slice_size[i_slice] / i_count ); |
| } |
| } |
| } |
| if( h->param.i_bframe && h->stat.i_slice_count[SLICE_TYPE_P] ) |
| { |
| char *p = buf; |
| int den = 0; |
| // weight by number of frames (including the P-frame) that are in a sequence of N B-frames |
| for( i=0; i<=h->param.i_bframe; i++ ) |
| den += (i+1) * h->stat.i_consecutive_bframes[i]; |
| for( i=0; i<=h->param.i_bframe; i++ ) |
| p += sprintf( p, " %4.1f%%", 100. * (i+1) * h->stat.i_consecutive_bframes[i] / den ); |
| x264_log( h, X264_LOG_INFO, "consecutive B-frames:%s\n", buf ); |
| } |
| |
| for( i_type = 0; i_type < 2; i_type++ ) |
| for( i = 0; i < X264_PARTTYPE_MAX; i++ ) |
| { |
| if( i == D_DIRECT_8x8 ) continue; /* direct is counted as its own type */ |
| i_mb_count_size[i_type][x264_mb_partition_pixel_table[i]] += h->stat.i_mb_partition[i_type][i]; |
| } |
| |
| /* MB types used */ |
| if( h->stat.i_slice_count[SLICE_TYPE_I] > 0 ) |
| { |
| int64_t *i_mb_count = h->stat.i_mb_count[SLICE_TYPE_I]; |
| double i_count = h->stat.i_slice_count[SLICE_TYPE_I] * h->mb.i_mb_count / 100.0; |
| x264_print_intra( i_mb_count, i_count, b_print_pcm, buf ); |
| x264_log( h, X264_LOG_INFO, "mb I %s\n", buf ); |
| } |
| if( h->stat.i_slice_count[SLICE_TYPE_P] > 0 ) |
| { |
| int64_t *i_mb_count = h->stat.i_mb_count[SLICE_TYPE_P]; |
| double i_count = h->stat.i_slice_count[SLICE_TYPE_P] * h->mb.i_mb_count / 100.0; |
| int64_t *i_mb_size = i_mb_count_size[SLICE_TYPE_P]; |
| x264_print_intra( i_mb_count, i_count, b_print_pcm, buf ); |
| x264_log( h, X264_LOG_INFO, |
| "mb P %s P16..4: %4.1f%% %4.1f%% %4.1f%% %4.1f%% %4.1f%% skip:%4.1f%%\n", |
| buf, |
| i_mb_size[PIXEL_16x16] / (i_count*4), |
| (i_mb_size[PIXEL_16x8] + i_mb_size[PIXEL_8x16]) / (i_count*4), |
| i_mb_size[PIXEL_8x8] / (i_count*4), |
| (i_mb_size[PIXEL_8x4] + i_mb_size[PIXEL_4x8]) / (i_count*4), |
| i_mb_size[PIXEL_4x4] / (i_count*4), |
| i_mb_count[P_SKIP] / i_count ); |
| } |
| if( h->stat.i_slice_count[SLICE_TYPE_B] > 0 ) |
| { |
| int64_t *i_mb_count = h->stat.i_mb_count[SLICE_TYPE_B]; |
| double i_count = h->stat.i_slice_count[SLICE_TYPE_B] * h->mb.i_mb_count / 100.0; |
| double i_mb_list_count; |
| int64_t *i_mb_size = i_mb_count_size[SLICE_TYPE_B]; |
| int64_t list_count[3] = {0}; /* 0 == L0, 1 == L1, 2 == BI */ |
| x264_print_intra( i_mb_count, i_count, b_print_pcm, buf ); |
| for( i = 0; i < X264_PARTTYPE_MAX; i++ ) |
| for( j = 0; j < 2; j++ ) |
| { |
| int l0 = x264_mb_type_list0_table[i][j]; |
| int l1 = x264_mb_type_list1_table[i][j]; |
| if( l0 || l1 ) |
| list_count[l1+l0*l1] += h->stat.i_mb_count[SLICE_TYPE_B][i] * 2; |
| } |
| list_count[0] += h->stat.i_mb_partition[SLICE_TYPE_B][D_L0_8x8]; |
| list_count[1] += h->stat.i_mb_partition[SLICE_TYPE_B][D_L1_8x8]; |
| list_count[2] += h->stat.i_mb_partition[SLICE_TYPE_B][D_BI_8x8]; |
| i_mb_count[B_DIRECT] += (h->stat.i_mb_partition[SLICE_TYPE_B][D_DIRECT_8x8]+2)/4; |
| i_mb_list_count = (list_count[0] + list_count[1] + list_count[2]) / 100.0; |
| x264_log( h, X264_LOG_INFO, |
| "mb B %s B16..8: %4.1f%% %4.1f%% %4.1f%% direct:%4.1f%% skip:%4.1f%% L0:%4.1f%% L1:%4.1f%% BI:%4.1f%%\n", |
| buf, |
| i_mb_size[PIXEL_16x16] / (i_count*4), |
| (i_mb_size[PIXEL_16x8] + i_mb_size[PIXEL_8x16]) / (i_count*4), |
| i_mb_size[PIXEL_8x8] / (i_count*4), |
| i_mb_count[B_DIRECT] / i_count, |
| i_mb_count[B_SKIP] / i_count, |
| list_count[0] / i_mb_list_count, |
| list_count[1] / i_mb_list_count, |
| list_count[2] / i_mb_list_count ); |
| } |
| |
| x264_ratecontrol_summary( h ); |
| |
| if( h->stat.i_slice_count[SLICE_TYPE_I] + h->stat.i_slice_count[SLICE_TYPE_P] + h->stat.i_slice_count[SLICE_TYPE_B] > 0 ) |
| { |
| const int i_count = h->stat.i_slice_count[SLICE_TYPE_I] + |
| h->stat.i_slice_count[SLICE_TYPE_P] + |
| h->stat.i_slice_count[SLICE_TYPE_B]; |
| float fps = (float) h->param.i_fps_num / h->param.i_fps_den; |
| #define SUM3(p) (p[SLICE_TYPE_I] + p[SLICE_TYPE_P] + p[SLICE_TYPE_B]) |
| #define SUM3b(p,o) (p[SLICE_TYPE_I][o] + p[SLICE_TYPE_P][o] + p[SLICE_TYPE_B][o]) |
| float f_bitrate = fps * SUM3(h->stat.i_slice_size) / i_count / 125; |
| |
| if( h->pps->b_transform_8x8_mode ) |
| { |
| int64_t i_i8x8 = SUM3b( h->stat.i_mb_count, I_8x8 ); |
| int64_t i_intra = i_i8x8 + SUM3b( h->stat.i_mb_count, I_4x4 ) |
| + SUM3b( h->stat.i_mb_count, I_16x16 ); |
| x264_log( h, X264_LOG_INFO, "8x8 transform intra:%.1f%% inter:%.1f%%\n", |
| 100. * i_i8x8 / i_intra, |
| 100. * h->stat.i_mb_count_8x8dct[1] / h->stat.i_mb_count_8x8dct[0] ); |
| } |
| |
| if( h->param.analyse.i_direct_mv_pred == X264_DIRECT_PRED_AUTO |
| && h->stat.i_slice_count[SLICE_TYPE_B] ) |
| { |
| x264_log( h, X264_LOG_INFO, "direct mvs spatial:%.1f%% temporal:%.1f%%\n", |
| h->stat.i_direct_frames[1] * 100. / h->stat.i_slice_count[SLICE_TYPE_B], |
| h->stat.i_direct_frames[0] * 100. / h->stat.i_slice_count[SLICE_TYPE_B] ); |
| } |
| |
| for( i_list = 0; i_list < 2; i_list++ ) |
| { |
| int i_slice; |
| for( i_slice = 0; i_slice < 2; i_slice++ ) |
| { |
| char *p = buf; |
| int64_t i_den = 0; |
| int i_max = 0; |
| for( i = 0; i < 32; i++ ) |
| if( h->stat.i_mb_count_ref[i_slice][i_list][i] ) |
| { |
| i_den += h->stat.i_mb_count_ref[i_slice][i_list][i]; |
| i_max = i; |
| } |
| if( i_max == 0 ) |
| continue; |
| for( i = 0; i <= i_max; i++ ) |
| p += sprintf( p, " %4.1f%%", 100. * h->stat.i_mb_count_ref[i_slice][i_list][i] / i_den ); |
| x264_log( h, X264_LOG_INFO, "ref %c L%d %s\n", "PB"[i_slice], i_list, buf ); |
| } |
| } |
| |
| if( h->param.analyse.b_ssim ) |
| { |
| x264_log( h, X264_LOG_INFO, |
| "SSIM Mean Y:%.7f\n", |
| SUM3( h->stat.f_ssim_mean_y ) / i_count ); |
| } |
| if( h->param.analyse.b_psnr ) |
| { |
| x264_log( h, X264_LOG_INFO, |
| "PSNR Mean Y:%6.3f U:%6.3f V:%6.3f Avg:%6.3f Global:%6.3f kb/s:%.2f\n", |
| SUM3( h->stat.f_psnr_mean_y ) / i_count, |
| SUM3( h->stat.f_psnr_mean_u ) / i_count, |
| SUM3( h->stat.f_psnr_mean_v ) / i_count, |
| SUM3( h->stat.f_psnr_average ) / i_count, |
| x264_psnr( SUM3( h->stat.i_ssd_global ), i_count * i_yuv_size ), |
| f_bitrate ); |
| } |
| else |
| x264_log( h, X264_LOG_INFO, "kb/s:%.1f\n", f_bitrate ); |
| } |
| |
| /* rc */ |
| x264_ratecontrol_delete( h ); |
| |
| /* param */ |
| if( h->param.rc.psz_stat_out ) |
| free( h->param.rc.psz_stat_out ); |
| if( h->param.rc.psz_stat_in ) |
| free( h->param.rc.psz_stat_in ); |
| |
| x264_cqm_delete( h ); |
| |
| if( h->param.i_threads > 1) |
| h = h->thread[ h->i_thread_phase % h->param.i_threads ]; |
| |
| /* frames */ |
| for( i = 0; h->frames.current[i]; i++ ) |
| { |
| assert( h->frames.current[i]->i_reference_count == 1 ); |
| x264_frame_delete( h->frames.current[i] ); |
| } |
| for( i = 0; h->frames.next[i]; i++ ) |
| { |
| assert( h->frames.next[i]->i_reference_count == 1 ); |
| x264_frame_delete( h->frames.next[i] ); |
| } |
| for( i = 0; h->frames.unused[i]; i++ ) |
| { |
| assert( h->frames.unused[i]->i_reference_count == 0 ); |
| x264_frame_delete( h->frames.unused[i] ); |
| } |
| |
| h = h->thread[0]; |
| |
| for( i = h->param.i_threads - 1; i >= 0; i-- ) |
| { |
| x264_frame_t **frame; |
| |
| for( frame = h->thread[i]->frames.reference; *frame; frame++ ) |
| { |
| assert( (*frame)->i_reference_count > 0 ); |
| (*frame)->i_reference_count--; |
| if( (*frame)->i_reference_count == 0 ) |
| x264_frame_delete( *frame ); |
| } |
| frame = &h->thread[i]->fdec; |
| assert( (*frame)->i_reference_count > 0 ); |
| (*frame)->i_reference_count--; |
| if( (*frame)->i_reference_count == 0 ) |
| x264_frame_delete( *frame ); |
| |
| x264_macroblock_cache_end( h->thread[i] ); |
| x264_free( h->thread[i]->out.p_bitstream ); |
| x264_free( h->thread[i] ); |
| } |
| } |
