4ed3a01d71
* commit '03ca6d70df192125a772dadd01acfe3905aa653f': x264: Factor out the reconfiguration code Conflicts: libavcodec/libx264.c Merged-by: Michael Niedermayer <michaelni@gmx.at>
922 lines
36 KiB
C
922 lines
36 KiB
C
/*
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* H.264 encoding using the x264 library
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* Copyright (C) 2005 Mans Rullgard <mans@mansr.com>
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "libavutil/eval.h"
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#include "libavutil/internal.h"
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#include "libavutil/opt.h"
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#include "libavutil/mem.h"
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#include "libavutil/pixdesc.h"
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#include "libavutil/stereo3d.h"
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#include "avcodec.h"
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#include "internal.h"
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#if defined(_MSC_VER)
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#define X264_API_IMPORTS 1
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#endif
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#include <x264.h>
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#include <float.h>
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#include <math.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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typedef struct X264Context {
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AVClass *class;
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x264_param_t params;
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x264_t *enc;
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x264_picture_t pic;
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uint8_t *sei;
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int sei_size;
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char *preset;
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char *tune;
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char *profile;
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char *level;
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int fastfirstpass;
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char *wpredp;
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char *x264opts;
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float crf;
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float crf_max;
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int cqp;
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int aq_mode;
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float aq_strength;
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char *psy_rd;
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int psy;
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int rc_lookahead;
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int weightp;
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int weightb;
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int ssim;
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int intra_refresh;
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int bluray_compat;
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int b_bias;
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int b_pyramid;
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int mixed_refs;
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int dct8x8;
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int fast_pskip;
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int aud;
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int mbtree;
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char *deblock;
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float cplxblur;
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char *partitions;
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int direct_pred;
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int slice_max_size;
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char *stats;
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int nal_hrd;
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int avcintra_class;
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char *x264_params;
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} X264Context;
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static void X264_log(void *p, int level, const char *fmt, va_list args)
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{
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static const int level_map[] = {
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[X264_LOG_ERROR] = AV_LOG_ERROR,
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[X264_LOG_WARNING] = AV_LOG_WARNING,
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[X264_LOG_INFO] = AV_LOG_INFO,
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[X264_LOG_DEBUG] = AV_LOG_DEBUG
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};
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if (level < 0 || level > X264_LOG_DEBUG)
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return;
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av_vlog(p, level_map[level], fmt, args);
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}
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static int encode_nals(AVCodecContext *ctx, AVPacket *pkt,
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const x264_nal_t *nals, int nnal)
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{
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X264Context *x4 = ctx->priv_data;
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uint8_t *p;
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int i, size = x4->sei_size, ret;
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if (!nnal)
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return 0;
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for (i = 0; i < nnal; i++)
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size += nals[i].i_payload;
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if ((ret = ff_alloc_packet2(ctx, pkt, size)) < 0)
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return ret;
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p = pkt->data;
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/* Write the SEI as part of the first frame. */
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if (x4->sei_size > 0 && nnal > 0) {
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if (x4->sei_size > size) {
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av_log(ctx, AV_LOG_ERROR, "Error: nal buffer is too small\n");
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return -1;
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}
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memcpy(p, x4->sei, x4->sei_size);
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p += x4->sei_size;
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x4->sei_size = 0;
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av_freep(&x4->sei);
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}
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for (i = 0; i < nnal; i++){
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memcpy(p, nals[i].p_payload, nals[i].i_payload);
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p += nals[i].i_payload;
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}
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return 1;
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}
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static int avfmt2_num_planes(int avfmt)
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{
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switch (avfmt) {
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case AV_PIX_FMT_YUV420P:
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case AV_PIX_FMT_YUVJ420P:
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case AV_PIX_FMT_YUV420P9:
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case AV_PIX_FMT_YUV420P10:
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case AV_PIX_FMT_YUV444P:
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return 3;
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case AV_PIX_FMT_BGR0:
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case AV_PIX_FMT_BGR24:
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case AV_PIX_FMT_RGB24:
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return 1;
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default:
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return 3;
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}
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}
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static void reconfig_encoder(AVCodecContext *ctx, const AVFrame *frame)
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{
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X264Context *x4 = ctx->priv_data;
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AVFrameSideData *side_data;
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if (x4->avcintra_class < 0) {
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if (x4->params.b_interlaced && x4->params.b_tff != frame->top_field_first) {
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x4->params.b_tff = frame->top_field_first;
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x264_encoder_reconfig(x4->enc, &x4->params);
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}
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if (x4->params.vui.i_sar_height != ctx->sample_aspect_ratio.den ||
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x4->params.vui.i_sar_width != ctx->sample_aspect_ratio.num) {
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x4->params.vui.i_sar_height = ctx->sample_aspect_ratio.den;
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x4->params.vui.i_sar_width = ctx->sample_aspect_ratio.num;
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x264_encoder_reconfig(x4->enc, &x4->params);
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}
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if (x4->params.rc.i_vbv_buffer_size != ctx->rc_buffer_size / 1000 ||
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x4->params.rc.i_vbv_max_bitrate != ctx->rc_max_rate / 1000) {
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x4->params.rc.i_vbv_buffer_size = ctx->rc_buffer_size / 1000;
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x4->params.rc.i_vbv_max_bitrate = ctx->rc_max_rate / 1000;
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x264_encoder_reconfig(x4->enc, &x4->params);
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}
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if (x4->params.rc.i_rc_method == X264_RC_ABR &&
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x4->params.rc.i_bitrate != ctx->bit_rate / 1000) {
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x4->params.rc.i_bitrate = ctx->bit_rate / 1000;
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x264_encoder_reconfig(x4->enc, &x4->params);
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}
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if (x4->crf >= 0 &&
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x4->params.rc.i_rc_method == X264_RC_CRF &&
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x4->params.rc.f_rf_constant != x4->crf) {
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x4->params.rc.f_rf_constant = x4->crf;
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x264_encoder_reconfig(x4->enc, &x4->params);
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}
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if (x4->params.rc.i_rc_method == X264_RC_CQP &&
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x4->cqp >= 0 &&
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x4->params.rc.i_qp_constant != x4->cqp) {
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x4->params.rc.i_qp_constant = x4->cqp;
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x264_encoder_reconfig(x4->enc, &x4->params);
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}
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if (x4->crf_max >= 0 &&
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x4->params.rc.f_rf_constant_max != x4->crf_max) {
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x4->params.rc.f_rf_constant_max = x4->crf_max;
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x264_encoder_reconfig(x4->enc, &x4->params);
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}
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}
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side_data = av_frame_get_side_data(frame, AV_FRAME_DATA_STEREO3D);
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if (side_data) {
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AVStereo3D *stereo = (AVStereo3D *)side_data->data;
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int fpa_type;
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switch (stereo->type) {
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case AV_STEREO3D_CHECKERBOARD:
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fpa_type = 0;
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break;
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case AV_STEREO3D_COLUMNS:
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fpa_type = 1;
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break;
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case AV_STEREO3D_LINES:
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fpa_type = 2;
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break;
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case AV_STEREO3D_SIDEBYSIDE:
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fpa_type = 3;
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break;
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case AV_STEREO3D_TOPBOTTOM:
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fpa_type = 4;
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break;
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case AV_STEREO3D_FRAMESEQUENCE:
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fpa_type = 5;
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break;
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default:
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fpa_type = -1;
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break;
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}
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if (fpa_type != x4->params.i_frame_packing) {
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x4->params.i_frame_packing = fpa_type;
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x264_encoder_reconfig(x4->enc, &x4->params);
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}
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}
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}
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static int X264_frame(AVCodecContext *ctx, AVPacket *pkt, const AVFrame *frame,
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int *got_packet)
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{
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X264Context *x4 = ctx->priv_data;
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x264_nal_t *nal;
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int nnal, i, ret;
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x264_picture_t pic_out = {0};
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x264_picture_init( &x4->pic );
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x4->pic.img.i_csp = x4->params.i_csp;
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if (x264_bit_depth > 8)
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x4->pic.img.i_csp |= X264_CSP_HIGH_DEPTH;
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x4->pic.img.i_plane = avfmt2_num_planes(ctx->pix_fmt);
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if (frame) {
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for (i = 0; i < x4->pic.img.i_plane; i++) {
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x4->pic.img.plane[i] = frame->data[i];
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x4->pic.img.i_stride[i] = frame->linesize[i];
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}
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x4->pic.i_pts = frame->pts;
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x4->pic.i_type =
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frame->pict_type == AV_PICTURE_TYPE_I ? X264_TYPE_KEYFRAME :
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frame->pict_type == AV_PICTURE_TYPE_P ? X264_TYPE_P :
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frame->pict_type == AV_PICTURE_TYPE_B ? X264_TYPE_B :
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X264_TYPE_AUTO;
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reconfig_encoder(ctx, frame);
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}
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do {
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if (x264_encoder_encode(x4->enc, &nal, &nnal, frame? &x4->pic: NULL, &pic_out) < 0)
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return AVERROR_EXTERNAL;
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ret = encode_nals(ctx, pkt, nal, nnal);
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if (ret < 0)
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return ret;
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} while (!ret && !frame && x264_encoder_delayed_frames(x4->enc));
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pkt->pts = pic_out.i_pts;
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pkt->dts = pic_out.i_dts;
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switch (pic_out.i_type) {
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case X264_TYPE_IDR:
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case X264_TYPE_I:
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ctx->coded_frame->pict_type = AV_PICTURE_TYPE_I;
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break;
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case X264_TYPE_P:
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ctx->coded_frame->pict_type = AV_PICTURE_TYPE_P;
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break;
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case X264_TYPE_B:
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case X264_TYPE_BREF:
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ctx->coded_frame->pict_type = AV_PICTURE_TYPE_B;
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break;
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}
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pkt->flags |= AV_PKT_FLAG_KEY*pic_out.b_keyframe;
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if (ret)
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ctx->coded_frame->quality = (pic_out.i_qpplus1 - 1) * FF_QP2LAMBDA;
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*got_packet = ret;
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return 0;
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}
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static av_cold int X264_close(AVCodecContext *avctx)
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{
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X264Context *x4 = avctx->priv_data;
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av_freep(&avctx->extradata);
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av_freep(&x4->sei);
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if (x4->enc) {
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x264_encoder_close(x4->enc);
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x4->enc = NULL;
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}
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av_frame_free(&avctx->coded_frame);
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return 0;
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}
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#define OPT_STR(opt, param) \
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do { \
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int ret; \
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if (param && (ret = x264_param_parse(&x4->params, opt, param)) < 0) { \
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if(ret == X264_PARAM_BAD_NAME) \
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av_log(avctx, AV_LOG_ERROR, \
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"bad option '%s': '%s'\n", opt, param); \
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else \
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av_log(avctx, AV_LOG_ERROR, \
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"bad value for '%s': '%s'\n", opt, param); \
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return -1; \
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} \
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} while (0)
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static int convert_pix_fmt(enum AVPixelFormat pix_fmt)
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{
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switch (pix_fmt) {
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case AV_PIX_FMT_YUV420P:
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case AV_PIX_FMT_YUVJ420P:
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case AV_PIX_FMT_YUV420P9:
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case AV_PIX_FMT_YUV420P10: return X264_CSP_I420;
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case AV_PIX_FMT_YUV422P:
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case AV_PIX_FMT_YUVJ422P:
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case AV_PIX_FMT_YUV422P10: return X264_CSP_I422;
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case AV_PIX_FMT_YUV444P:
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case AV_PIX_FMT_YUVJ444P:
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case AV_PIX_FMT_YUV444P9:
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case AV_PIX_FMT_YUV444P10: return X264_CSP_I444;
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#ifdef X264_CSP_BGR
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case AV_PIX_FMT_BGR0:
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return X264_CSP_BGRA;
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case AV_PIX_FMT_BGR24:
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return X264_CSP_BGR;
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case AV_PIX_FMT_RGB24:
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return X264_CSP_RGB;
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#endif
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case AV_PIX_FMT_NV12: return X264_CSP_NV12;
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case AV_PIX_FMT_NV16:
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case AV_PIX_FMT_NV20: return X264_CSP_NV16;
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};
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return 0;
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}
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#define PARSE_X264_OPT(name, var)\
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if (x4->var && x264_param_parse(&x4->params, name, x4->var) < 0) {\
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av_log(avctx, AV_LOG_ERROR, "Error parsing option '%s' with value '%s'.\n", name, x4->var);\
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return AVERROR(EINVAL);\
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}
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static av_cold int X264_init(AVCodecContext *avctx)
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{
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X264Context *x4 = avctx->priv_data;
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int sw,sh;
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if (avctx->global_quality > 0)
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av_log(avctx, AV_LOG_WARNING, "-qscale is ignored, -crf is recommended.\n");
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x264_param_default(&x4->params);
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x4->params.b_deblocking_filter = avctx->flags & CODEC_FLAG_LOOP_FILTER;
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if (x4->preset || x4->tune)
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if (x264_param_default_preset(&x4->params, x4->preset, x4->tune) < 0) {
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int i;
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av_log(avctx, AV_LOG_ERROR, "Error setting preset/tune %s/%s.\n", x4->preset, x4->tune);
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av_log(avctx, AV_LOG_INFO, "Possible presets:");
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for (i = 0; x264_preset_names[i]; i++)
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av_log(avctx, AV_LOG_INFO, " %s", x264_preset_names[i]);
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av_log(avctx, AV_LOG_INFO, "\n");
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av_log(avctx, AV_LOG_INFO, "Possible tunes:");
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for (i = 0; x264_tune_names[i]; i++)
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av_log(avctx, AV_LOG_INFO, " %s", x264_tune_names[i]);
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av_log(avctx, AV_LOG_INFO, "\n");
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return AVERROR(EINVAL);
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}
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if (avctx->level > 0)
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x4->params.i_level_idc = avctx->level;
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x4->params.pf_log = X264_log;
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x4->params.p_log_private = avctx;
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x4->params.i_log_level = X264_LOG_DEBUG;
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x4->params.i_csp = convert_pix_fmt(avctx->pix_fmt);
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OPT_STR("weightp", x4->wpredp);
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if (avctx->bit_rate) {
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x4->params.rc.i_bitrate = avctx->bit_rate / 1000;
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x4->params.rc.i_rc_method = X264_RC_ABR;
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}
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x4->params.rc.i_vbv_buffer_size = avctx->rc_buffer_size / 1000;
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x4->params.rc.i_vbv_max_bitrate = avctx->rc_max_rate / 1000;
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x4->params.rc.b_stat_write = avctx->flags & CODEC_FLAG_PASS1;
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if (avctx->flags & CODEC_FLAG_PASS2) {
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x4->params.rc.b_stat_read = 1;
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} else {
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if (x4->crf >= 0) {
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x4->params.rc.i_rc_method = X264_RC_CRF;
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x4->params.rc.f_rf_constant = x4->crf;
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} else if (x4->cqp >= 0) {
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x4->params.rc.i_rc_method = X264_RC_CQP;
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x4->params.rc.i_qp_constant = x4->cqp;
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}
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if (x4->crf_max >= 0)
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x4->params.rc.f_rf_constant_max = x4->crf_max;
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}
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if (avctx->rc_buffer_size && avctx->rc_initial_buffer_occupancy > 0 &&
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(avctx->rc_initial_buffer_occupancy <= avctx->rc_buffer_size)) {
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x4->params.rc.f_vbv_buffer_init =
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(float)avctx->rc_initial_buffer_occupancy / avctx->rc_buffer_size;
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}
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OPT_STR("level", x4->level);
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if (avctx->i_quant_factor > 0)
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x4->params.rc.f_ip_factor = 1 / fabs(avctx->i_quant_factor);
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if (avctx->b_quant_factor > 0)
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x4->params.rc.f_pb_factor = avctx->b_quant_factor;
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if (avctx->chromaoffset)
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x4->params.analyse.i_chroma_qp_offset = avctx->chromaoffset;
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if (avctx->me_method == ME_EPZS)
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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 if (avctx->me_method == ME_TESA)
|
|
x4->params.analyse.i_me_method = X264_ME_TESA;
|
|
|
|
if (avctx->gop_size >= 0)
|
|
x4->params.i_keyint_max = avctx->gop_size;
|
|
if (avctx->max_b_frames >= 0)
|
|
x4->params.i_bframe = avctx->max_b_frames;
|
|
if (avctx->scenechange_threshold >= 0)
|
|
x4->params.i_scenecut_threshold = avctx->scenechange_threshold;
|
|
if (avctx->qmin >= 0)
|
|
x4->params.rc.i_qp_min = avctx->qmin;
|
|
if (avctx->qmax >= 0)
|
|
x4->params.rc.i_qp_max = avctx->qmax;
|
|
if (avctx->max_qdiff >= 0)
|
|
x4->params.rc.i_qp_step = avctx->max_qdiff;
|
|
if (avctx->qblur >= 0)
|
|
x4->params.rc.f_qblur = avctx->qblur; /* temporally blur quants */
|
|
if (avctx->qcompress >= 0)
|
|
x4->params.rc.f_qcompress = avctx->qcompress; /* 0.0 => cbr, 1.0 => constant qp */
|
|
if (avctx->refs >= 0)
|
|
x4->params.i_frame_reference = avctx->refs;
|
|
else if (x4->level) {
|
|
int i;
|
|
int mbn = FF_CEIL_RSHIFT(avctx->width, 4) * FF_CEIL_RSHIFT(avctx->height, 4);
|
|
int level_id = -1;
|
|
char *tail;
|
|
int scale = X264_BUILD < 129 ? 384 : 1;
|
|
|
|
if (!strcmp(x4->level, "1b")) {
|
|
level_id = 9;
|
|
} else if (strlen(x4->level) <= 3){
|
|
level_id = av_strtod(x4->level, &tail) * 10 + 0.5;
|
|
if (*tail)
|
|
level_id = -1;
|
|
}
|
|
if (level_id <= 0)
|
|
av_log(avctx, AV_LOG_WARNING, "Failed to parse level\n");
|
|
|
|
for (i = 0; i<x264_levels[i].level_idc; i++)
|
|
if (x264_levels[i].level_idc == level_id)
|
|
x4->params.i_frame_reference = av_clip(x264_levels[i].dpb / mbn / scale, 1, x4->params.i_frame_reference);
|
|
}
|
|
|
|
if (avctx->trellis >= 0)
|
|
x4->params.analyse.i_trellis = avctx->trellis;
|
|
if (avctx->me_range >= 0)
|
|
x4->params.analyse.i_me_range = avctx->me_range;
|
|
if (avctx->noise_reduction >= 0)
|
|
x4->params.analyse.i_noise_reduction = avctx->noise_reduction;
|
|
if (avctx->me_subpel_quality >= 0)
|
|
x4->params.analyse.i_subpel_refine = avctx->me_subpel_quality;
|
|
if (avctx->b_frame_strategy >= 0)
|
|
x4->params.i_bframe_adaptive = avctx->b_frame_strategy;
|
|
if (avctx->keyint_min >= 0)
|
|
x4->params.i_keyint_min = avctx->keyint_min;
|
|
if (avctx->coder_type >= 0)
|
|
x4->params.b_cabac = avctx->coder_type == FF_CODER_TYPE_AC;
|
|
if (avctx->me_cmp >= 0)
|
|
x4->params.analyse.b_chroma_me = avctx->me_cmp & FF_CMP_CHROMA;
|
|
|
|
if (x4->aq_mode >= 0)
|
|
x4->params.rc.i_aq_mode = x4->aq_mode;
|
|
if (x4->aq_strength >= 0)
|
|
x4->params.rc.f_aq_strength = x4->aq_strength;
|
|
PARSE_X264_OPT("psy-rd", psy_rd);
|
|
PARSE_X264_OPT("deblock", deblock);
|
|
PARSE_X264_OPT("partitions", partitions);
|
|
PARSE_X264_OPT("stats", stats);
|
|
if (x4->psy >= 0)
|
|
x4->params.analyse.b_psy = x4->psy;
|
|
if (x4->rc_lookahead >= 0)
|
|
x4->params.rc.i_lookahead = x4->rc_lookahead;
|
|
if (x4->weightp >= 0)
|
|
x4->params.analyse.i_weighted_pred = x4->weightp;
|
|
if (x4->weightb >= 0)
|
|
x4->params.analyse.b_weighted_bipred = x4->weightb;
|
|
if (x4->cplxblur >= 0)
|
|
x4->params.rc.f_complexity_blur = x4->cplxblur;
|
|
|
|
if (x4->ssim >= 0)
|
|
x4->params.analyse.b_ssim = x4->ssim;
|
|
if (x4->intra_refresh >= 0)
|
|
x4->params.b_intra_refresh = x4->intra_refresh;
|
|
if (x4->bluray_compat >= 0) {
|
|
x4->params.b_bluray_compat = x4->bluray_compat;
|
|
x4->params.b_vfr_input = 0;
|
|
}
|
|
if (x4->avcintra_class >= 0)
|
|
#if X264_BUILD >= 142
|
|
x4->params.i_avcintra_class = x4->avcintra_class;
|
|
#else
|
|
av_log(avctx, AV_LOG_ERROR,
|
|
"x264 too old for AVC Intra, at least version 142 needed\n");
|
|
#endif
|
|
if (x4->b_bias != INT_MIN)
|
|
x4->params.i_bframe_bias = x4->b_bias;
|
|
if (x4->b_pyramid >= 0)
|
|
x4->params.i_bframe_pyramid = x4->b_pyramid;
|
|
if (x4->mixed_refs >= 0)
|
|
x4->params.analyse.b_mixed_references = x4->mixed_refs;
|
|
if (x4->dct8x8 >= 0)
|
|
x4->params.analyse.b_transform_8x8 = x4->dct8x8;
|
|
if (x4->fast_pskip >= 0)
|
|
x4->params.analyse.b_fast_pskip = x4->fast_pskip;
|
|
if (x4->aud >= 0)
|
|
x4->params.b_aud = x4->aud;
|
|
if (x4->mbtree >= 0)
|
|
x4->params.rc.b_mb_tree = x4->mbtree;
|
|
if (x4->direct_pred >= 0)
|
|
x4->params.analyse.i_direct_mv_pred = x4->direct_pred;
|
|
|
|
if (x4->slice_max_size >= 0)
|
|
x4->params.i_slice_max_size = x4->slice_max_size;
|
|
else {
|
|
/*
|
|
* Allow x264 to be instructed through AVCodecContext about the maximum
|
|
* size of the RTP payload. For example, this enables the production of
|
|
* payload suitable for the H.264 RTP packetization-mode 0 i.e. single
|
|
* NAL unit per RTP packet.
|
|
*/
|
|
if (avctx->rtp_payload_size)
|
|
x4->params.i_slice_max_size = avctx->rtp_payload_size;
|
|
}
|
|
|
|
if (x4->fastfirstpass)
|
|
x264_param_apply_fastfirstpass(&x4->params);
|
|
|
|
/* Allow specifying the x264 profile through AVCodecContext. */
|
|
if (!x4->profile)
|
|
switch (avctx->profile) {
|
|
case FF_PROFILE_H264_BASELINE:
|
|
x4->profile = av_strdup("baseline");
|
|
break;
|
|
case FF_PROFILE_H264_HIGH:
|
|
x4->profile = av_strdup("high");
|
|
break;
|
|
case FF_PROFILE_H264_HIGH_10:
|
|
x4->profile = av_strdup("high10");
|
|
break;
|
|
case FF_PROFILE_H264_HIGH_422:
|
|
x4->profile = av_strdup("high422");
|
|
break;
|
|
case FF_PROFILE_H264_HIGH_444:
|
|
x4->profile = av_strdup("high444");
|
|
break;
|
|
case FF_PROFILE_H264_MAIN:
|
|
x4->profile = av_strdup("main");
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
if (x4->nal_hrd >= 0)
|
|
x4->params.i_nal_hrd = x4->nal_hrd;
|
|
|
|
if (x4->profile)
|
|
if (x264_param_apply_profile(&x4->params, x4->profile) < 0) {
|
|
int i;
|
|
av_log(avctx, AV_LOG_ERROR, "Error setting profile %s.\n", x4->profile);
|
|
av_log(avctx, AV_LOG_INFO, "Possible profiles:");
|
|
for (i = 0; x264_profile_names[i]; i++)
|
|
av_log(avctx, AV_LOG_INFO, " %s", x264_profile_names[i]);
|
|
av_log(avctx, AV_LOG_INFO, "\n");
|
|
return AVERROR(EINVAL);
|
|
}
|
|
|
|
x4->params.i_width = avctx->width;
|
|
x4->params.i_height = avctx->height;
|
|
av_reduce(&sw, &sh, avctx->sample_aspect_ratio.num, avctx->sample_aspect_ratio.den, 4096);
|
|
x4->params.vui.i_sar_width = sw;
|
|
x4->params.vui.i_sar_height = sh;
|
|
x4->params.i_timebase_den = avctx->time_base.den;
|
|
x4->params.i_timebase_num = avctx->time_base.num;
|
|
x4->params.i_fps_num = avctx->time_base.den;
|
|
x4->params.i_fps_den = avctx->time_base.num * avctx->ticks_per_frame;
|
|
|
|
x4->params.analyse.b_psnr = avctx->flags & CODEC_FLAG_PSNR;
|
|
|
|
x4->params.i_threads = avctx->thread_count;
|
|
if (avctx->thread_type)
|
|
x4->params.b_sliced_threads = avctx->thread_type == FF_THREAD_SLICE;
|
|
|
|
x4->params.b_interlaced = avctx->flags & CODEC_FLAG_INTERLACED_DCT;
|
|
|
|
x4->params.b_open_gop = !(avctx->flags & CODEC_FLAG_CLOSED_GOP);
|
|
|
|
x4->params.i_slice_count = avctx->slices;
|
|
|
|
x4->params.vui.b_fullrange = avctx->pix_fmt == AV_PIX_FMT_YUVJ420P ||
|
|
avctx->pix_fmt == AV_PIX_FMT_YUVJ422P ||
|
|
avctx->pix_fmt == AV_PIX_FMT_YUVJ444P ||
|
|
avctx->color_range == AVCOL_RANGE_JPEG;
|
|
|
|
if (avctx->colorspace != AVCOL_SPC_UNSPECIFIED)
|
|
x4->params.vui.i_colmatrix = avctx->colorspace;
|
|
if (avctx->color_primaries != AVCOL_PRI_UNSPECIFIED)
|
|
x4->params.vui.i_colorprim = avctx->color_primaries;
|
|
if (avctx->color_trc != AVCOL_TRC_UNSPECIFIED)
|
|
x4->params.vui.i_transfer = avctx->color_trc;
|
|
|
|
if (avctx->flags & CODEC_FLAG_GLOBAL_HEADER)
|
|
x4->params.b_repeat_headers = 0;
|
|
|
|
if(x4->x264opts){
|
|
const char *p= x4->x264opts;
|
|
while(p){
|
|
char param[256]={0}, val[256]={0};
|
|
if(sscanf(p, "%255[^:=]=%255[^:]", param, val) == 1){
|
|
OPT_STR(param, "1");
|
|
}else
|
|
OPT_STR(param, val);
|
|
p= strchr(p, ':');
|
|
p+=!!p;
|
|
}
|
|
}
|
|
|
|
if (x4->x264_params) {
|
|
AVDictionary *dict = NULL;
|
|
AVDictionaryEntry *en = NULL;
|
|
|
|
if (!av_dict_parse_string(&dict, x4->x264_params, "=", ":", 0)) {
|
|
while ((en = av_dict_get(dict, "", en, AV_DICT_IGNORE_SUFFIX))) {
|
|
if (x264_param_parse(&x4->params, en->key, en->value) < 0)
|
|
av_log(avctx, AV_LOG_WARNING,
|
|
"Error parsing option '%s = %s'.\n",
|
|
en->key, en->value);
|
|
}
|
|
|
|
av_dict_free(&dict);
|
|
}
|
|
}
|
|
|
|
// update AVCodecContext with x264 parameters
|
|
avctx->has_b_frames = x4->params.i_bframe ?
|
|
x4->params.i_bframe_pyramid ? 2 : 1 : 0;
|
|
if (avctx->max_b_frames < 0)
|
|
avctx->max_b_frames = 0;
|
|
|
|
avctx->bit_rate = x4->params.rc.i_bitrate*1000;
|
|
|
|
x4->enc = x264_encoder_open(&x4->params);
|
|
if (!x4->enc)
|
|
return AVERROR_EXTERNAL;
|
|
|
|
avctx->coded_frame = av_frame_alloc();
|
|
if (!avctx->coded_frame)
|
|
return AVERROR(ENOMEM);
|
|
|
|
if (avctx->flags & CODEC_FLAG_GLOBAL_HEADER) {
|
|
x264_nal_t *nal;
|
|
uint8_t *p;
|
|
int nnal, s, i;
|
|
|
|
s = x264_encoder_headers(x4->enc, &nal, &nnal);
|
|
avctx->extradata = p = av_malloc(s);
|
|
if (!p)
|
|
return AVERROR(ENOMEM);
|
|
|
|
for (i = 0; i < nnal; i++) {
|
|
/* Don't put the SEI in extradata. */
|
|
if (nal[i].i_type == NAL_SEI) {
|
|
av_log(avctx, AV_LOG_INFO, "%s\n", nal[i].p_payload+25);
|
|
x4->sei_size = nal[i].i_payload;
|
|
x4->sei = av_malloc(x4->sei_size);
|
|
if (!x4->sei)
|
|
return AVERROR(ENOMEM);
|
|
memcpy(x4->sei, nal[i].p_payload, nal[i].i_payload);
|
|
continue;
|
|
}
|
|
memcpy(p, nal[i].p_payload, nal[i].i_payload);
|
|
p += nal[i].i_payload;
|
|
}
|
|
avctx->extradata_size = p - avctx->extradata;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const enum AVPixelFormat pix_fmts_8bit[] = {
|
|
AV_PIX_FMT_YUV420P,
|
|
AV_PIX_FMT_YUVJ420P,
|
|
AV_PIX_FMT_YUV422P,
|
|
AV_PIX_FMT_YUVJ422P,
|
|
AV_PIX_FMT_YUV444P,
|
|
AV_PIX_FMT_YUVJ444P,
|
|
AV_PIX_FMT_NV12,
|
|
AV_PIX_FMT_NV16,
|
|
AV_PIX_FMT_NONE
|
|
};
|
|
static const enum AVPixelFormat pix_fmts_9bit[] = {
|
|
AV_PIX_FMT_YUV420P9,
|
|
AV_PIX_FMT_YUV444P9,
|
|
AV_PIX_FMT_NONE
|
|
};
|
|
static const enum AVPixelFormat pix_fmts_10bit[] = {
|
|
AV_PIX_FMT_YUV420P10,
|
|
AV_PIX_FMT_YUV422P10,
|
|
AV_PIX_FMT_YUV444P10,
|
|
AV_PIX_FMT_NV20,
|
|
AV_PIX_FMT_NONE
|
|
};
|
|
static const enum AVPixelFormat pix_fmts_8bit_rgb[] = {
|
|
#ifdef X264_CSP_BGR
|
|
AV_PIX_FMT_BGR0,
|
|
AV_PIX_FMT_BGR24,
|
|
AV_PIX_FMT_RGB24,
|
|
#endif
|
|
AV_PIX_FMT_NONE
|
|
};
|
|
|
|
static av_cold void X264_init_static(AVCodec *codec)
|
|
{
|
|
if (x264_bit_depth == 8)
|
|
codec->pix_fmts = pix_fmts_8bit;
|
|
else if (x264_bit_depth == 9)
|
|
codec->pix_fmts = pix_fmts_9bit;
|
|
else if (x264_bit_depth == 10)
|
|
codec->pix_fmts = pix_fmts_10bit;
|
|
}
|
|
|
|
#define OFFSET(x) offsetof(X264Context, x)
|
|
#define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
|
|
static const AVOption options[] = {
|
|
{ "preset", "Set the encoding preset (cf. x264 --fullhelp)", OFFSET(preset), AV_OPT_TYPE_STRING, { .str = "medium" }, 0, 0, VE},
|
|
{ "tune", "Tune the encoding params (cf. x264 --fullhelp)", OFFSET(tune), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE},
|
|
{ "profile", "Set profile restrictions (cf. x264 --fullhelp) ", OFFSET(profile), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE},
|
|
{ "fastfirstpass", "Use fast settings when encoding first pass", OFFSET(fastfirstpass), AV_OPT_TYPE_INT, { .i64 = 1 }, 0, 1, VE},
|
|
{"level", "Specify level (as defined by Annex A)", OFFSET(level), AV_OPT_TYPE_STRING, {.str=NULL}, 0, 0, VE},
|
|
{"passlogfile", "Filename for 2 pass stats", OFFSET(stats), AV_OPT_TYPE_STRING, {.str=NULL}, 0, 0, VE},
|
|
{"wpredp", "Weighted prediction for P-frames", OFFSET(wpredp), AV_OPT_TYPE_STRING, {.str=NULL}, 0, 0, VE},
|
|
{"x264opts", "x264 options", OFFSET(x264opts), AV_OPT_TYPE_STRING, {.str=NULL}, 0, 0, VE},
|
|
{ "crf", "Select the quality for constant quality mode", OFFSET(crf), AV_OPT_TYPE_FLOAT, {.dbl = -1 }, -1, FLT_MAX, VE },
|
|
{ "crf_max", "In CRF mode, prevents VBV from lowering quality beyond this point.",OFFSET(crf_max), AV_OPT_TYPE_FLOAT, {.dbl = -1 }, -1, FLT_MAX, VE },
|
|
{ "qp", "Constant quantization parameter rate control method",OFFSET(cqp), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE },
|
|
{ "aq-mode", "AQ method", OFFSET(aq_mode), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE, "aq_mode"},
|
|
{ "none", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_AQ_NONE}, INT_MIN, INT_MAX, VE, "aq_mode" },
|
|
{ "variance", "Variance AQ (complexity mask)", 0, AV_OPT_TYPE_CONST, {.i64 = X264_AQ_VARIANCE}, INT_MIN, INT_MAX, VE, "aq_mode" },
|
|
{ "autovariance", "Auto-variance AQ", 0, AV_OPT_TYPE_CONST, {.i64 = X264_AQ_AUTOVARIANCE}, INT_MIN, INT_MAX, VE, "aq_mode" },
|
|
#if X264_BUILD >= 144
|
|
{ "autovariance-biased", "Auto-variance AQ with bias to dark scenes", 0, AV_OPT_TYPE_CONST, {.i64 = X264_AQ_AUTOVARIANCE_BIASED}, INT_MIN, INT_MAX, VE, "aq_mode" },
|
|
#endif
|
|
{ "aq-strength", "AQ strength. Reduces blocking and blurring in flat and textured areas.", OFFSET(aq_strength), AV_OPT_TYPE_FLOAT, {.dbl = -1}, -1, FLT_MAX, VE},
|
|
{ "psy", "Use psychovisual optimizations.", OFFSET(psy), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE },
|
|
{ "psy-rd", "Strength of psychovisual optimization, in <psy-rd>:<psy-trellis> format.", OFFSET(psy_rd), AV_OPT_TYPE_STRING, {0 }, 0, 0, VE},
|
|
{ "rc-lookahead", "Number of frames to look ahead for frametype and ratecontrol", OFFSET(rc_lookahead), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE },
|
|
{ "weightb", "Weighted prediction for B-frames.", OFFSET(weightb), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE },
|
|
{ "weightp", "Weighted prediction analysis method.", OFFSET(weightp), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE, "weightp" },
|
|
{ "none", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_WEIGHTP_NONE}, INT_MIN, INT_MAX, VE, "weightp" },
|
|
{ "simple", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_WEIGHTP_SIMPLE}, INT_MIN, INT_MAX, VE, "weightp" },
|
|
{ "smart", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_WEIGHTP_SMART}, INT_MIN, INT_MAX, VE, "weightp" },
|
|
{ "ssim", "Calculate and print SSIM stats.", OFFSET(ssim), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE },
|
|
{ "intra-refresh", "Use Periodic Intra Refresh instead of IDR frames.",OFFSET(intra_refresh),AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE },
|
|
{ "bluray-compat", "Bluray compatibility workarounds.", OFFSET(bluray_compat) ,AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE },
|
|
{ "b-bias", "Influences how often B-frames are used", OFFSET(b_bias), AV_OPT_TYPE_INT, { .i64 = INT_MIN}, INT_MIN, INT_MAX, VE },
|
|
{ "b-pyramid", "Keep some B-frames as references.", OFFSET(b_pyramid), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE, "b_pyramid" },
|
|
{ "none", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_B_PYRAMID_NONE}, INT_MIN, INT_MAX, VE, "b_pyramid" },
|
|
{ "strict", "Strictly hierarchical pyramid", 0, AV_OPT_TYPE_CONST, {.i64 = X264_B_PYRAMID_STRICT}, INT_MIN, INT_MAX, VE, "b_pyramid" },
|
|
{ "normal", "Non-strict (not Blu-ray compatible)", 0, AV_OPT_TYPE_CONST, {.i64 = X264_B_PYRAMID_NORMAL}, INT_MIN, INT_MAX, VE, "b_pyramid" },
|
|
{ "mixed-refs", "One reference per partition, as opposed to one reference per macroblock", OFFSET(mixed_refs), AV_OPT_TYPE_INT, { .i64 = -1}, -1, 1, VE },
|
|
{ "8x8dct", "High profile 8x8 transform.", OFFSET(dct8x8), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE},
|
|
{ "fast-pskip", NULL, OFFSET(fast_pskip), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE},
|
|
{ "aud", "Use access unit delimiters.", OFFSET(aud), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE},
|
|
{ "mbtree", "Use macroblock tree ratecontrol.", OFFSET(mbtree), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE},
|
|
{ "deblock", "Loop filter parameters, in <alpha:beta> form.", OFFSET(deblock), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE},
|
|
{ "cplxblur", "Reduce fluctuations in QP (before curve compression)", OFFSET(cplxblur), AV_OPT_TYPE_FLOAT, {.dbl = -1 }, -1, FLT_MAX, VE},
|
|
{ "partitions", "A comma-separated list of partitions to consider. "
|
|
"Possible values: p8x8, p4x4, b8x8, i8x8, i4x4, none, all", OFFSET(partitions), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE},
|
|
{ "direct-pred", "Direct MV prediction mode", OFFSET(direct_pred), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE, "direct-pred" },
|
|
{ "none", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_DIRECT_PRED_NONE }, 0, 0, VE, "direct-pred" },
|
|
{ "spatial", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_DIRECT_PRED_SPATIAL }, 0, 0, VE, "direct-pred" },
|
|
{ "temporal", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_DIRECT_PRED_TEMPORAL }, 0, 0, VE, "direct-pred" },
|
|
{ "auto", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_DIRECT_PRED_AUTO }, 0, 0, VE, "direct-pred" },
|
|
{ "slice-max-size","Limit the size of each slice in bytes", OFFSET(slice_max_size),AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE },
|
|
{ "stats", "Filename for 2 pass stats", OFFSET(stats), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE },
|
|
{ "nal-hrd", "Signal HRD information (requires vbv-bufsize; "
|
|
"cbr not allowed in .mp4)", OFFSET(nal_hrd), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE, "nal-hrd" },
|
|
{ "none", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_NAL_HRD_NONE}, INT_MIN, INT_MAX, VE, "nal-hrd" },
|
|
{ "vbr", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_NAL_HRD_VBR}, INT_MIN, INT_MAX, VE, "nal-hrd" },
|
|
{ "cbr", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_NAL_HRD_CBR}, INT_MIN, INT_MAX, VE, "nal-hrd" },
|
|
{ "avcintra-class","AVC-Intra class 50/100/200", OFFSET(avcintra_class),AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 200 , VE},
|
|
{ "x264-params", "Override the x264 configuration using a :-separated list of key=value parameters", OFFSET(x264_params), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE },
|
|
{ NULL },
|
|
};
|
|
|
|
static const AVClass x264_class = {
|
|
.class_name = "libx264",
|
|
.item_name = av_default_item_name,
|
|
.option = options,
|
|
.version = LIBAVUTIL_VERSION_INT,
|
|
};
|
|
|
|
static const AVClass rgbclass = {
|
|
.class_name = "libx264rgb",
|
|
.item_name = av_default_item_name,
|
|
.option = options,
|
|
.version = LIBAVUTIL_VERSION_INT,
|
|
};
|
|
|
|
static const AVCodecDefault x264_defaults[] = {
|
|
{ "b", "0" },
|
|
{ "bf", "-1" },
|
|
{ "flags2", "0" },
|
|
{ "g", "-1" },
|
|
{ "i_qfactor", "-1" },
|
|
{ "b_qfactor", "-1" },
|
|
{ "qmin", "-1" },
|
|
{ "qmax", "-1" },
|
|
{ "qdiff", "-1" },
|
|
{ "qblur", "-1" },
|
|
{ "qcomp", "-1" },
|
|
// { "rc_lookahead", "-1" },
|
|
{ "refs", "-1" },
|
|
{ "sc_threshold", "-1" },
|
|
{ "trellis", "-1" },
|
|
{ "nr", "-1" },
|
|
{ "me_range", "-1" },
|
|
{ "me_method", "-1" },
|
|
{ "subq", "-1" },
|
|
{ "b_strategy", "-1" },
|
|
{ "keyint_min", "-1" },
|
|
{ "coder", "-1" },
|
|
{ "cmp", "-1" },
|
|
{ "threads", AV_STRINGIFY(X264_THREADS_AUTO) },
|
|
{ "thread_type", "0" },
|
|
{ "flags", "+cgop" },
|
|
{ "rc_init_occupancy","-1" },
|
|
{ NULL },
|
|
};
|
|
|
|
AVCodec ff_libx264_encoder = {
|
|
.name = "libx264",
|
|
.long_name = NULL_IF_CONFIG_SMALL("libx264 H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10"),
|
|
.type = AVMEDIA_TYPE_VIDEO,
|
|
.id = AV_CODEC_ID_H264,
|
|
.priv_data_size = sizeof(X264Context),
|
|
.init = X264_init,
|
|
.encode2 = X264_frame,
|
|
.close = X264_close,
|
|
.capabilities = CODEC_CAP_DELAY | CODEC_CAP_AUTO_THREADS,
|
|
.priv_class = &x264_class,
|
|
.defaults = x264_defaults,
|
|
.init_static_data = X264_init_static,
|
|
.caps_internal = FF_CODEC_CAP_INIT_THREADSAFE |
|
|
FF_CODEC_CAP_INIT_CLEANUP,
|
|
};
|
|
|
|
AVCodec ff_libx264rgb_encoder = {
|
|
.name = "libx264rgb",
|
|
.long_name = NULL_IF_CONFIG_SMALL("libx264 H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10 RGB"),
|
|
.type = AVMEDIA_TYPE_VIDEO,
|
|
.id = AV_CODEC_ID_H264,
|
|
.priv_data_size = sizeof(X264Context),
|
|
.init = X264_init,
|
|
.encode2 = X264_frame,
|
|
.close = X264_close,
|
|
.capabilities = CODEC_CAP_DELAY | CODEC_CAP_AUTO_THREADS,
|
|
.priv_class = &rgbclass,
|
|
.defaults = x264_defaults,
|
|
.pix_fmts = pix_fmts_8bit_rgb,
|
|
};
|