diff options
Diffstat (limited to 'libavcodec/x264.c')
| -rw-r--r-- | libavcodec/x264.c | 96 |
1 files changed, 91 insertions, 5 deletions
diff --git a/libavcodec/x264.c b/libavcodec/x264.c index fcd0cbd6c2..904c367d28 100644 --- a/libavcodec/x264.c +++ b/libavcodec/x264.c @@ -20,6 +20,9 @@ #include "avcodec.h" #include <x264.h> #include <math.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> typedef struct X264Context { x264_param_t params; @@ -136,10 +139,32 @@ X264_init(AVCodecContext *avctx) x4->params.rc.i_bitrate = avctx->bit_rate / 1000; x4->params.rc.i_vbv_buffer_size = avctx->rc_buffer_size / 1000; x4->params.rc.i_vbv_max_bitrate = avctx->rc_max_rate / 1000; - if(avctx->rc_buffer_size) - x4->params.rc.b_cbr = 1; + x4->params.rc.b_stat_write = (avctx->flags & CODEC_FLAG_PASS1); + if(avctx->flags & CODEC_FLAG_PASS2) x4->params.rc.b_stat_read = 1; + else{ + if(avctx->crf) x4->params.rc.i_rf_constant = avctx->crf; + else if(avctx->cqp > -1) x4->params.rc.i_qp_constant = avctx->cqp; + } + + // if neither crf nor cqp modes are selected we have to enable the RC + // we do it this way because we cannot check if the bitrate has been set + if(!(avctx->crf || (avctx->cqp > -1))) x4->params.rc.b_cbr = 1; + x4->params.i_bframe = avctx->max_b_frames; x4->params.b_cabac = avctx->coder_type == FF_CODER_TYPE_AC; + x4->params.b_bframe_adaptive = avctx->b_frame_strategy; + x4->params.i_bframe_bias = avctx->bframebias; + x4->params.b_bframe_pyramid = (avctx->flags2 & CODEC_FLAG2_BPYRAMID); + + x4->params.i_keyint_min = avctx->keyint_min; + if(x4->params.i_keyint_min > x4->params.i_keyint_max) + x4->params.i_keyint_min = x4->params.i_keyint_max; + + x4->params.i_scenecut_threshold = avctx->scenechange_threshold; + + x4->params.b_deblocking_filter = (avctx->flags & CODEC_FLAG_LOOP_FILTER); + x4->params.i_deblocking_filter_alphac0 = avctx->deblockalpha; + x4->params.i_deblocking_filter_beta = avctx->deblockbeta; x4->params.rc.i_qp_min = avctx->qmin; x4->params.rc.i_qp_max = avctx->qmax; @@ -147,10 +172,9 @@ X264_init(AVCodecContext *avctx) x4->params.rc.f_qcompress = avctx->qcompress; /* 0.0 => cbr, 1.0 => constant qp */ x4->params.rc.f_qblur = avctx->qblur; /* temporally blur quants */ + x4->params.rc.f_complexity_blur = avctx->complexityblur; - if(avctx->flags & CODEC_FLAG_QSCALE && avctx->global_quality > 0) - x4->params.rc.i_qp_constant = - 12 + 6 * log2((double) avctx->global_quality / FF_QP2LAMBDA); + x4->params.i_frame_reference = avctx->refs; x4->params.i_width = avctx->width; x4->params.i_height = avctx->height; @@ -159,6 +183,68 @@ X264_init(AVCodecContext *avctx) x4->params.i_fps_num = avctx->time_base.den; x4->params.i_fps_den = avctx->time_base.num; + x4->params.analyse.inter = 0; + if(avctx->partitions){ + if(avctx->partitions & X264_PART_I4X4) + x4->params.analyse.inter |= X264_ANALYSE_I4x4; + if(avctx->partitions & X264_PART_I8X8) + x4->params.analyse.inter |= X264_ANALYSE_I8x8; + if(avctx->partitions & X264_PART_P8X8) + x4->params.analyse.inter |= X264_ANALYSE_PSUB16x16; + if(avctx->partitions & X264_PART_P4X4) + x4->params.analyse.inter |= X264_ANALYSE_PSUB8x8; + if(avctx->partitions & X264_PART_B8X8) + x4->params.analyse.inter |= X264_ANALYSE_BSUB16x16; + } + + x4->params.analyse.i_direct_mv_pred = avctx->directpred; + + x4->params.analyse.b_weighted_bipred = (avctx->flags2 & CODEC_FLAG2_WPRED); + + if(avctx->me_method == ME_EPZS) + x4->params.analyse.i_me_method = X264_ME_DIA; + else if(avctx->me_method == ME_HEX) + x4->params.analyse.i_me_method = X264_ME_HEX; + else if(avctx->me_method == ME_UMH) + x4->params.analyse.i_me_method = X264_ME_UMH; + else if(avctx->me_method == ME_FULL) + x4->params.analyse.i_me_method = X264_ME_ESA; + else x4->params.analyse.i_me_method = X264_ME_HEX; + + x4->params.analyse.i_me_range = avctx->me_range; + x4->params.analyse.i_subpel_refine = avctx->me_subpel_quality; + + x4->params.analyse.b_bframe_rdo = (avctx->flags2 & CODEC_FLAG2_BRDO); + x4->params.analyse.b_mixed_references = + (avctx->flags2 & CODEC_FLAG2_MIXED_REFS); + x4->params.analyse.b_chroma_me = (avctx->me_cmp & FF_CMP_CHROMA); + x4->params.analyse.b_transform_8x8 = (avctx->flags2 & CODEC_FLAG2_8X8DCT); + x4->params.analyse.b_fast_pskip = (avctx->flags2 & CODEC_FLAG2_FASTPSKIP); + + x4->params.analyse.i_trellis = avctx->trellis; + + if(avctx->level > 0) x4->params.i_level_idc = avctx->level; + + x4->params.rc.f_rate_tolerance = + (float)avctx->bit_rate_tolerance/avctx->bit_rate; + + if((avctx->rc_buffer_size != 0) && + (avctx->rc_initial_buffer_occupancy <= avctx->rc_buffer_size)){ + x4->params.rc.f_vbv_buffer_init = + (float)avctx->rc_initial_buffer_occupancy/avctx->rc_buffer_size; + } + else x4->params.rc.f_vbv_buffer_init = 0.9; + + x4->params.rc.f_ip_factor = 1/fabs(avctx->i_quant_factor); + x4->params.rc.f_pb_factor = avctx->b_quant_factor; + x4->params.analyse.i_chroma_qp_offset = avctx->chromaoffset; + x4->params.rc.psz_rc_eq = avctx->rc_eq; + + x4->params.analyse.b_psnr = (avctx->flags & CODEC_FLAG_PSNR); + x4->params.i_log_level = X264_LOG_DEBUG; + + x4->params.b_aud = (avctx->flags2 & CODEC_FLAG2_AUD); + x4->params.i_threads = avctx->thread_count; x4->enc = x264_encoder_open(&x4->params); |