* H.264 encoding using the x264 library
* Copyright (C) 2005 Mans Rullgard <mans@mansr.com>
*
- * This file is part of FFmpeg.
+ * This file is part of Libav.
*
- * FFmpeg is free software; you can redistribute it and/or
+ * Libav is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
- * FFmpeg is distributed in the hope that it will be useful,
+ * Libav 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
- * License along with FFmpeg; if not, write to the Free Software
+ * License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
+#include "libavutil/internal.h"
+#include "libavutil/opt.h"
+#include "libavutil/mem.h"
+#include "libavutil/pixdesc.h"
+#include "libavutil/stereo3d.h"
#include "avcodec.h"
+#include "internal.h"
+
+#if defined(_MSC_VER)
+#define X264_API_IMPORTS 1
+#endif
+
#include <x264.h>
+#include <float.h>
#include <math.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
typedef struct X264Context {
+ AVClass *class;
x264_param_t params;
x264_t *enc;
x264_picture_t pic;
uint8_t *sei;
int sei_size;
- AVFrame out_pic;
+ char *preset;
+ char *tune;
+ char *profile;
+ int fastfirstpass;
+ float crf;
+ float crf_max;
+ int cqp;
+ int aq_mode;
+ float aq_strength;
+ char *psy_rd;
+ int psy;
+ int rc_lookahead;
+ int weightp;
+ int weightb;
+ int ssim;
+ int intra_refresh;
+ int bluray_compat;
+ int b_bias;
+ int b_pyramid;
+ int mixed_refs;
+ int dct8x8;
+ int fast_pskip;
+ int aud;
+ int mbtree;
+ char *deblock;
+ float cplxblur;
+ char *partitions;
+ int direct_pred;
+ int slice_max_size;
+ char *stats;
+ int nal_hrd;
+ char *x264_params;
} X264Context;
static void X264_log(void *p, int level, const char *fmt, va_list args)
}
-static int encode_nals(AVCodecContext *ctx, uint8_t *buf, int size,
- x264_nal_t *nals, int nnal, int skip_sei)
+static int encode_nals(AVCodecContext *ctx, AVPacket *pkt,
+ x264_nal_t *nals, int nnal)
{
X264Context *x4 = ctx->priv_data;
- uint8_t *p = buf;
- int i;
+ uint8_t *p;
+ int i, size = x4->sei_size, ret;
+
+ if (!nnal)
+ return 0;
+
+ for (i = 0; i < nnal; i++)
+ size += nals[i].i_payload;
+
+ if ((ret = ff_alloc_packet(pkt, size)) < 0)
+ return ret;
+
+ p = pkt->data;
/* Write the SEI as part of the first frame. */
if (x4->sei_size > 0 && nnal > 0) {
}
for (i = 0; i < nnal; i++){
- /* Don't put the SEI in extradata. */
- if (skip_sei && nals[i].i_type == NAL_SEI) {
- x4->sei_size = nals[i].i_payload;
- x4->sei = av_malloc(x4->sei_size);
- memcpy(x4->sei, nals[i].p_payload, nals[i].i_payload);
- continue;
- }
memcpy(p, nals[i].p_payload, nals[i].i_payload);
p += nals[i].i_payload;
}
- return p - buf;
+ return 1;
+}
+
+static void reconfig_encoder(AVCodecContext *ctx, const AVFrame *frame)
+{
+ X264Context *x4 = ctx->priv_data;
+ AVFrameSideData *side_data;
+
+
+ if (x4->params.b_tff != frame->top_field_first) {
+ x4->params.b_tff = frame->top_field_first;
+ x264_encoder_reconfig(x4->enc, &x4->params);
+ }
+ if (x4->params.vui.i_sar_height != ctx->sample_aspect_ratio.den ||
+ x4->params.vui.i_sar_width != ctx->sample_aspect_ratio.num) {
+ x4->params.vui.i_sar_height = ctx->sample_aspect_ratio.den;
+ x4->params.vui.i_sar_width = ctx->sample_aspect_ratio.num;
+ x264_encoder_reconfig(x4->enc, &x4->params);
+ }
+
+ if (x4->params.rc.i_vbv_buffer_size != ctx->rc_buffer_size / 1000 ||
+ x4->params.rc.i_vbv_max_bitrate != ctx->rc_max_rate / 1000) {
+ x4->params.rc.i_vbv_buffer_size = ctx->rc_buffer_size / 1000;
+ x4->params.rc.i_vbv_max_bitrate = ctx->rc_max_rate / 1000;
+ x264_encoder_reconfig(x4->enc, &x4->params);
+ }
+
+ if (x4->params.rc.i_rc_method == X264_RC_ABR &&
+ x4->params.rc.i_bitrate != ctx->bit_rate / 1000) {
+ x4->params.rc.i_bitrate = ctx->bit_rate / 1000;
+ x264_encoder_reconfig(x4->enc, &x4->params);
+ }
+
+ if (x4->crf >= 0 &&
+ x4->params.rc.i_rc_method == X264_RC_CRF &&
+ x4->params.rc.f_rf_constant != x4->crf) {
+ x4->params.rc.f_rf_constant = x4->crf;
+ x264_encoder_reconfig(x4->enc, &x4->params);
+ }
+
+ if (x4->params.rc.i_rc_method == X264_RC_CQP &&
+ x4->params.rc.i_qp_constant != x4->cqp) {
+ x4->params.rc.i_qp_constant = x4->cqp;
+ x264_encoder_reconfig(x4->enc, &x4->params);
+ }
+
+ if (x4->crf_max >= 0 &&
+ x4->params.rc.f_rf_constant_max != x4->crf_max) {
+ x4->params.rc.f_rf_constant_max = x4->crf_max;
+ x264_encoder_reconfig(x4->enc, &x4->params);
+ }
+
+ side_data = av_frame_get_side_data(frame, AV_FRAME_DATA_STEREO3D);
+ if (side_data) {
+ AVStereo3D *stereo = (AVStereo3D *)side_data->data;
+ int fpa_type;
+
+ switch (stereo->type) {
+ case AV_STEREO3D_CHECKERBOARD:
+ fpa_type = 0;
+ break;
+ case AV_STEREO3D_COLUMNS:
+ fpa_type = 1;
+ break;
+ case AV_STEREO3D_LINES:
+ fpa_type = 2;
+ break;
+ case AV_STEREO3D_SIDEBYSIDE:
+ fpa_type = 3;
+ break;
+ case AV_STEREO3D_TOPBOTTOM:
+ fpa_type = 4;
+ break;
+ case AV_STEREO3D_FRAMESEQUENCE:
+ fpa_type = 5;
+ break;
+ default:
+ fpa_type = -1;
+ break;
+ }
+
+ if (fpa_type != x4->params.i_frame_packing) {
+ x4->params.i_frame_packing = fpa_type;
+ x264_encoder_reconfig(x4->enc, &x4->params);
+ }
+ }
}
-static int X264_frame(AVCodecContext *ctx, uint8_t *buf,
- int bufsize, void *data)
+static int X264_frame(AVCodecContext *ctx, AVPacket *pkt, const AVFrame *frame,
+ int *got_packet)
{
X264Context *x4 = ctx->priv_data;
- AVFrame *frame = data;
x264_nal_t *nal;
- int nnal, i;
+ int nnal, i, ret;
x264_picture_t pic_out;
x264_picture_init( &x4->pic );
- x4->pic.img.i_csp = X264_CSP_I420;
+ x4->pic.img.i_csp = x4->params.i_csp;
+ if (x264_bit_depth > 8)
+ x4->pic.img.i_csp |= X264_CSP_HIGH_DEPTH;
x4->pic.img.i_plane = 3;
if (frame) {
x4->pic.i_pts = frame->pts;
x4->pic.i_type =
- frame->pict_type == FF_I_TYPE ? X264_TYPE_KEYFRAME :
- frame->pict_type == FF_P_TYPE ? X264_TYPE_P :
- frame->pict_type == FF_B_TYPE ? X264_TYPE_B :
+ frame->pict_type == AV_PICTURE_TYPE_I ? X264_TYPE_KEYFRAME :
+ frame->pict_type == AV_PICTURE_TYPE_P ? X264_TYPE_P :
+ frame->pict_type == AV_PICTURE_TYPE_B ? X264_TYPE_B :
X264_TYPE_AUTO;
+ reconfig_encoder(ctx, frame);
}
-
do {
- if (x264_encoder_encode(x4->enc, &nal, &nnal, frame? &x4->pic: NULL, &pic_out) < 0)
- return -1;
+ if (x264_encoder_encode(x4->enc, &nal, &nnal, frame? &x4->pic: NULL, &pic_out) < 0)
+ return AVERROR_UNKNOWN;
- bufsize = encode_nals(ctx, buf, bufsize, nal, nnal, 0);
- if (bufsize < 0)
- return -1;
- } while (!bufsize && !frame && x264_encoder_delayed_frames(x4->enc));
+ ret = encode_nals(ctx, pkt, nal, nnal);
+ if (ret < 0)
+ return ret;
+ } while (!ret && !frame && x264_encoder_delayed_frames(x4->enc));
- /* FIXME: libx264 now provides DTS, but AVFrame doesn't have a field for it. */
- x4->out_pic.pts = pic_out.i_pts;
+ pkt->pts = pic_out.i_pts;
+ pkt->dts = pic_out.i_dts;
+#if FF_API_CODED_FRAME
+FF_DISABLE_DEPRECATION_WARNINGS
switch (pic_out.i_type) {
case X264_TYPE_IDR:
case X264_TYPE_I:
- x4->out_pic.pict_type = FF_I_TYPE;
+ ctx->coded_frame->pict_type = AV_PICTURE_TYPE_I;
break;
case X264_TYPE_P:
- x4->out_pic.pict_type = FF_P_TYPE;
+ ctx->coded_frame->pict_type = AV_PICTURE_TYPE_P;
break;
case X264_TYPE_B:
case X264_TYPE_BREF:
- x4->out_pic.pict_type = FF_B_TYPE;
+ ctx->coded_frame->pict_type = AV_PICTURE_TYPE_B;
break;
}
+FF_ENABLE_DEPRECATION_WARNINGS
+#endif
+
+ pkt->flags |= AV_PKT_FLAG_KEY*pic_out.b_keyframe;
+ if (ret) {
+ uint8_t *sd = av_packet_new_side_data(pkt, AV_PKT_DATA_QUALITY_FACTOR,
+ sizeof(int));
+ if (!sd)
+ return AVERROR(ENOMEM);
+ *(int *)sd = (pic_out.i_qpplus1 - 1) * FF_QP2LAMBDA;
+
+#if FF_API_CODED_FRAME
+FF_DISABLE_DEPRECATION_WARNINGS
+ ctx->coded_frame->quality = (pic_out.i_qpplus1 - 1) * FF_QP2LAMBDA;
+FF_ENABLE_DEPRECATION_WARNINGS
+#endif
+ }
- x4->out_pic.key_frame = pic_out.b_keyframe;
- x4->out_pic.quality = (pic_out.i_qpplus1 - 1) * FF_QP2LAMBDA;
-
- return bufsize;
+ *got_packet = ret;
+ return 0;
}
static av_cold int X264_close(AVCodecContext *avctx)
X264Context *x4 = avctx->priv_data;
av_freep(&avctx->extradata);
- av_free(x4->sei);
+ av_freep(&x4->sei);
- if (x4->enc)
+ if (x4->enc) {
x264_encoder_close(x4->enc);
+ x4->enc = NULL;
+ }
return 0;
}
+static int convert_pix_fmt(enum AVPixelFormat pix_fmt)
+{
+ switch (pix_fmt) {
+ case AV_PIX_FMT_YUV420P:
+ case AV_PIX_FMT_YUVJ420P:
+ case AV_PIX_FMT_YUV420P9:
+ case AV_PIX_FMT_YUV420P10: return X264_CSP_I420;
+ case AV_PIX_FMT_YUV422P:
+ case AV_PIX_FMT_YUVJ422P:
+ case AV_PIX_FMT_YUV422P10: return X264_CSP_I422;
+ case AV_PIX_FMT_YUV444P:
+ case AV_PIX_FMT_YUVJ444P:
+ case AV_PIX_FMT_YUV444P9:
+ case AV_PIX_FMT_YUV444P10: return X264_CSP_I444;
+ case AV_PIX_FMT_NV12: return X264_CSP_NV12;
+ case AV_PIX_FMT_NV16:
+ case AV_PIX_FMT_NV20: return X264_CSP_NV16;
+ };
+ return 0;
+}
+
+#define PARSE_X264_OPT(name, var)\
+ if (x4->var && x264_param_parse(&x4->params, name, x4->var) < 0) {\
+ av_log(avctx, AV_LOG_ERROR, "Error parsing option '%s' with value '%s'.\n", name, x4->var);\
+ return AVERROR(EINVAL);\
+ }
+
static av_cold int X264_init(AVCodecContext *avctx)
{
X264Context *x4 = avctx->priv_data;
- x4->sei_size = 0;
+#if CONFIG_LIBX262_ENCODER
+ if (avctx->codec_id == AV_CODEC_ID_MPEG2VIDEO) {
+ x4->params.b_mpeg2 = 1;
+ x264_param_default_mpeg2(&x4->params);
+ } else
+#else
x264_param_default(&x4->params);
+#endif
+
+ x4->params.b_deblocking_filter = avctx->flags & CODEC_FLAG_LOOP_FILTER;
+
+ if (x4->preset || x4->tune)
+ if (x264_param_default_preset(&x4->params, x4->preset, x4->tune) < 0) {
+ av_log(avctx, AV_LOG_ERROR, "Error setting preset/tune %s/%s.\n", x4->preset, x4->tune);
+ return AVERROR(EINVAL);
+ }
+
+ if (avctx->level > 0)
+ x4->params.i_level_idc = avctx->level;
x4->params.pf_log = X264_log;
x4->params.p_log_private = avctx;
+ x4->params.i_log_level = X264_LOG_DEBUG;
+ x4->params.i_csp = convert_pix_fmt(avctx->pix_fmt);
- x4->params.i_keyint_max = avctx->gop_size;
- x4->params.b_intra_refresh = avctx->flags2 & CODEC_FLAG2_INTRA_REFRESH;
- x4->params.rc.i_bitrate = avctx->bit_rate / 1000;
+ if (avctx->bit_rate) {
+ x4->params.rc.i_bitrate = avctx->bit_rate / 1000;
+ x4->params.rc.i_rc_method = X264_RC_ABR;
+ }
x4->params.rc.i_vbv_buffer_size = avctx->rc_buffer_size / 1000;
x4->params.rc.i_vbv_max_bitrate = avctx->rc_max_rate / 1000;
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) {
+ if (x4->crf >= 0) {
x4->params.rc.i_rc_method = X264_RC_CRF;
- x4->params.rc.f_rf_constant = avctx->crf;
- x4->params.rc.f_rf_constant_max = avctx->crf_max;
- } else if (avctx->cqp > -1) {
+ x4->params.rc.f_rf_constant = x4->crf;
+ } else if (x4->cqp >= 0) {
x4->params.rc.i_rc_method = X264_RC_CQP;
- x4->params.rc.i_qp_constant = avctx->cqp;
+ x4->params.rc.i_qp_constant = x4->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.i_rc_method = X264_RC_ABR;
-
- x4->params.i_bframe = avctx->max_b_frames;
- x4->params.b_cabac = avctx->coder_type == FF_CODER_TYPE_AC;
- x4->params.i_bframe_adaptive = avctx->b_frame_strategy;
- x4->params.i_bframe_bias = avctx->bframebias;
- x4->params.i_bframe_pyramid = avctx->flags2 & CODEC_FLAG2_BPYRAMID ? X264_B_PYRAMID_NORMAL : X264_B_PYRAMID_NONE;
- avctx->has_b_frames = avctx->flags2 & CODEC_FLAG2_BPYRAMID ? 2 : !!avctx->max_b_frames;
- 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;
- x4->params.rc.i_qp_step = avctx->max_qdiff;
-
- 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;
-
- x4->params.i_frame_reference = avctx->refs;
-
- x4->params.i_width = avctx->width;
- x4->params.i_height = avctx->height;
- x4->params.vui.i_sar_width = avctx->sample_aspect_ratio.num;
- x4->params.vui.i_sar_height = avctx->sample_aspect_ratio.den;
- x4->params.i_fps_num = x4->params.i_timebase_den = avctx->time_base.den;
- x4->params.i_fps_den = x4->params.i_timebase_num = 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;
+ if (x4->crf_max >= 0)
+ x4->params.rc.f_rf_constant_max = x4->crf_max;
}
- x4->params.analyse.i_direct_mv_pred = avctx->directpred;
+ if (avctx->rc_buffer_size && avctx->rc_initial_buffer_occupancy > 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;
+ }
- x4->params.analyse.b_weighted_bipred = avctx->flags2 & CODEC_FLAG2_WPRED;
- x4->params.analyse.i_weighted_pred = avctx->weighted_p_pred;
+ if (avctx->i_quant_factor > 0)
+ 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;
if (avctx->me_method == ME_EPZS)
x4->params.analyse.i_me_method = X264_ME_DIA;
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;
- else x4->params.analyse.i_me_method = X264_ME_HEX;
- x4->params.rc.i_aq_mode = avctx->aq_mode;
- x4->params.rc.f_aq_strength = avctx->aq_strength;
- x4->params.rc.i_lookahead = avctx->rc_lookahead;
+ 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;
+ 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->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;
+
+ if (x4->fastfirstpass)
+ x264_param_apply_fastfirstpass(&x4->params);
+
+ 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) {
+ av_log(avctx, AV_LOG_ERROR, "Error setting profile %s.\n", x4->profile);
+ return AVERROR(EINVAL);
+ }
- x4->params.analyse.b_psy = avctx->flags2 & CODEC_FLAG2_PSY;
- x4->params.analyse.f_psy_rd = avctx->psy_rd;
- x4->params.analyse.f_psy_trellis = avctx->psy_trellis;
+ x4->params.i_width = avctx->width;
+ x4->params.i_height = avctx->height;
+ x4->params.vui.i_sar_width = avctx->sample_aspect_ratio.num;
+ x4->params.vui.i_sar_height = avctx->sample_aspect_ratio.den;
+ x4->params.i_fps_num = x4->params.i_timebase_den = avctx->time_base.den;
+ x4->params.i_fps_den = x4->params.i_timebase_num = avctx->time_base.num;
- x4->params.analyse.i_me_range = avctx->me_range;
- x4->params.analyse.i_subpel_refine = avctx->me_subpel_quality;
+ x4->params.analyse.b_psnr = avctx->flags & CODEC_FLAG_PSNR;
- 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.i_threads = avctx->thread_count;
+ if (avctx->thread_type)
+ x4->params.b_sliced_threads = avctx->thread_type == FF_THREAD_SLICE;
- x4->params.analyse.i_trellis = avctx->trellis;
- x4->params.analyse.i_noise_reduction = avctx->noise_reduction;
+ x4->params.b_interlaced = avctx->flags & CODEC_FLAG_INTERLACED_DCT;
- if (avctx->level > 0)
- x4->params.i_level_idc = avctx->level;
+ x4->params.b_open_gop = !(avctx->flags & CODEC_FLAG_CLOSED_GOP);
- x4->params.rc.f_rate_tolerance =
- (float)avctx->bit_rate_tolerance/avctx->bit_rate;
+ x4->params.i_slice_count = avctx->slices;
- 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.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;
- x4->params.rc.b_mb_tree = !!(avctx->flags2 & CODEC_FLAG2_MBTREE);
- 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;
+ // x264 validates the values internally
+ x4->params.vui.i_colorprim = avctx->color_primaries;
+ x4->params.vui.i_transfer = avctx->color_trc;
+ x4->params.vui.i_colmatrix = avctx->colorspace;
- x4->params.analyse.b_psnr = avctx->flags & CODEC_FLAG_PSNR;
- x4->params.analyse.b_ssim = avctx->flags2 & CODEC_FLAG2_SSIM;
- x4->params.i_log_level = X264_LOG_DEBUG;
+ if (avctx->flags & CODEC_FLAG_GLOBAL_HEADER)
+ x4->params.b_repeat_headers = 0;
- x4->params.b_aud = avctx->flags2 & CODEC_FLAG2_AUD;
+ if (x4->x264_params) {
+ AVDictionary *dict = NULL;
+ AVDictionaryEntry *en = NULL;
- x4->params.i_threads = avctx->thread_count;
+ 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);
+ }
- x4->params.b_interlaced = avctx->flags & CODEC_FLAG_INTERLACED_DCT;
+ av_dict_free(&dict);
+ }
+ }
- x4->params.i_slice_count = avctx->slices;
+ // 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;
- if (avctx->flags & CODEC_FLAG_GLOBAL_HEADER)
- x4->params.b_repeat_headers = 0;
+ avctx->bit_rate = x4->params.rc.i_bitrate*1000;
x4->enc = x264_encoder_open(&x4->params);
if (!x4->enc)
- return -1;
-
- avctx->coded_frame = &x4->out_pic;
+ return AVERROR_UNKNOWN;
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++)
- if (nal[i].i_type == NAL_SEI)
+ 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);
-
- avctx->extradata = av_malloc(s);
- avctx->extradata_size = encode_nals(avctx, avctx->extradata, s, nal, nnal, 1);
+ 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;
}
-AVCodec libx264_encoder = {
- .name = "libx264",
- .type = AVMEDIA_TYPE_VIDEO,
- .id = CODEC_ID_H264,
- .priv_data_size = sizeof(X264Context),
- .init = X264_init,
- .encode = X264_frame,
- .close = X264_close,
- .capabilities = CODEC_CAP_DELAY,
- .pix_fmts = (const enum PixelFormat[]) { PIX_FMT_YUV420P, PIX_FMT_NONE },
- .long_name = NULL_IF_CONFIG_SMALL("libx264 H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10"),
+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 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},
+ { "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 (experimental)", 0, AV_OPT_TYPE_CONST, {.i64 = X264_AQ_AUTOVARIANCE}, INT_MIN, INT_MAX, VE, "aq_mode" },
+ { "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" },
+ { "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 AVCodecDefault x264_defaults[] = {
+ { "b", "0" },
+ { "bf", "-1" },
+ { "g", "-1" },
+ { "i_qfactor", "-1" },
+ { "qmin", "-1" },
+ { "qmax", "-1" },
+ { "qdiff", "-1" },
+ { "qblur", "-1" },
+ { "qcomp", "-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 },
+};
+
+#if CONFIG_LIBX264_ENCODER
+static const AVClass class = {
+ .class_name = "libx264",
+ .item_name = av_default_item_name,
+ .option = options,
+ .version = LIBAVUTIL_VERSION_INT,
+};
+
+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 = &class,
+ .defaults = x264_defaults,
+ .init_static_data = X264_init_static,
+ .caps_internal = FF_CODEC_CAP_INIT_THREADSAFE |
+ FF_CODEC_CAP_INIT_CLEANUP,
+};
+#endif
+
+#if CONFIG_LIBX262_ENCODER
+static const AVClass X262_class = {
+ .class_name = "libx262",
+ .item_name = av_default_item_name,
+ .option = options,
+ .version = LIBAVUTIL_VERSION_INT,
+};
+
+AVCodec ff_libx262_encoder = {
+ .name = "libx262",
+ .long_name = NULL_IF_CONFIG_SMALL("libx262 MPEG2VIDEO"),
+ .type = AVMEDIA_TYPE_VIDEO,
+ .id = AV_CODEC_ID_MPEG2VIDEO,
+ .priv_data_size = sizeof(X264Context),
+ .init = X264_init,
+ .encode2 = X264_frame,
+ .close = X264_close,
+ .capabilities = CODEC_CAP_DELAY | CODEC_CAP_AUTO_THREADS,
+ .priv_class = &X262_class,
+ .defaults = x264_defaults,
+ .pix_fmts = pix_fmts_8bit,
+ .caps_internal = FF_CODEC_CAP_INIT_THREADSAFE |
+ FF_CODEC_CAP_INIT_CLEANUP,
};
+#endif
projects / ffmpeg / blobdiff