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FFmpeg/libavcodec/libx264.c

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/*
* H.264 encoding using the x264 library
* Copyright (C) 2005 Mans Rullgard <mans@mansr.com>
*
* This file is part of FFmpeg.
*
* FFmpeg 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,
* 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
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "config_components.h"
#include "libavutil/buffer.h"
#include "libavutil/eval.h"
#include "libavutil/internal.h"
#include "libavutil/opt.h"
#include "libavutil/mem.h"
#include "libavutil/pixdesc.h"
#include "libavutil/stereo3d.h"
#include "libavutil/time.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/video_hint.h"
#include "avcodec.h"
#include "codec_internal.h"
#include "encode.h"
#include "internal.h"
#include "packet_internal.h"
#include "atsc_a53.h"
#include "sei.h"
#include <x264.h>
#include <float.h>
#include <math.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
// from x264.h, for quant_offsets, Macroblocks are 16x16
// blocks of pixels (with respect to the luma plane)
#define MB_SIZE 16
#define MB_LSIZE 4
#define MB_FLOOR(x) ((x) >> (MB_LSIZE))
#define MB_CEIL(x) MB_FLOOR((x) + (MB_SIZE - 1))
typedef struct X264Opaque {
#if FF_API_REORDERED_OPAQUE
int64_t reordered_opaque;
#endif
int64_t wallclock;
int64_t duration;
void *frame_opaque;
AVBufferRef *frame_opaque_ref;
} X264Opaque;
typedef struct X264Context {
AVClass *class;
x264_param_t params;
x264_t *enc;
x264_picture_t pic;
uint8_t *sei;
int sei_size;
char *preset;
char *tune;
const char *profile;
char *profile_opt;
char *level;
int fastfirstpass;
char *wpredp;
char *x264opts;
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;
int avcintra_class;
int motion_est;
int forced_idr;
int coder;
int a53_cc;
int b_frame_strategy;
int chroma_offset;
int scenechange_threshold;
int noise_reduction;
int udu_sei;
AVDictionary *x264_params;
int nb_reordered_opaque, next_reordered_opaque;
X264Opaque *reordered_opaque;
/**
* If the encoder does not support ROI then warn the first time we
* encounter a frame with ROI side data.
*/
int roi_warned;
int mb_info;
} X264Context;
static void X264_log(void *p, int level, const char *fmt, va_list args)
{
static const int level_map[] = {
[X264_LOG_ERROR] = AV_LOG_ERROR,
[X264_LOG_WARNING] = AV_LOG_WARNING,
[X264_LOG_INFO] = AV_LOG_INFO,
[X264_LOG_DEBUG] = AV_LOG_DEBUG
};
if (level < 0 || level > X264_LOG_DEBUG)
return;
av_vlog(p, level_map[level], fmt, args);
}
static void opaque_uninit(X264Opaque *o)
{
av_buffer_unref(&o->frame_opaque_ref);
memset(o, 0, sizeof(*o));
}
static int encode_nals(AVCodecContext *ctx, AVPacket *pkt,
const x264_nal_t *nals, int nnal)
{
X264Context *x4 = ctx->priv_data;
uint8_t *p;
uint64_t size = FFMAX(x4->sei_size, 0);
int ret;
if (!nnal)
return 0;
for (int i = 0; i < nnal; i++) {
size += nals[i].i_payload;
/* ff_get_encode_buffer() accepts an int64_t and
* so we need to make sure that no overflow happens before
* that. With 32bit ints this is automatically true. */
#if INT_MAX > INT64_MAX / INT_MAX - 1
if ((int64_t)size < 0)
return AVERROR(ERANGE);
#endif
}
if ((ret = ff_get_encode_buffer(ctx, pkt, size, 0)) < 0)
return ret;
p = pkt->data;
/* Write the SEI as part of the first frame. */
if (x4->sei_size > 0) {
memcpy(p, x4->sei, x4->sei_size);
p += x4->sei_size;
size -= x4->sei_size;
/* Keep the value around in case of flush */
x4->sei_size = -x4->sei_size;
}
/* x264 guarantees the payloads of the NALs
* to be sequential in memory. */
memcpy(p, nals[0].p_payload, size);
return 1;
}
static void reconfig_encoder(AVCodecContext *ctx, const AVFrame *frame)
{
X264Context *x4 = ctx->priv_data;
AVFrameSideData *side_data;
if (x4->avcintra_class < 0) {
if (x4->params.b_interlaced && x4->params.b_tff != !!(frame->flags & AV_FRAME_FLAG_TOP_FIELD_FIRST)) {
x4->params.b_tff = !!(frame->flags & AV_FRAME_FLAG_TOP_FIELD_FIRST);
x264_encoder_reconfig(x4->enc, &x4->params);
}
if (x4->params.vui.i_sar_height*ctx->sample_aspect_ratio.num != ctx->sample_aspect_ratio.den * x4->params.vui.i_sar_width) {
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->cqp >= 0 &&
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;
#if X264_BUILD >= 145
case AV_STEREO3D_2D:
fpa_type = 6;
break;
#endif
default:
fpa_type = -1;
break;
}
/* Inverted mode is not supported by x264 */
if (stereo->flags & AV_STEREO3D_FLAG_INVERT) {
av_log(ctx, AV_LOG_WARNING,
"Ignoring unsupported inverted stereo value %d\n", fpa_type);
fpa_type = -1;
}
if (fpa_type != x4->params.i_frame_packing) {
x4->params.i_frame_packing = fpa_type;
x264_encoder_reconfig(x4->enc, &x4->params);
}
}
}
static void free_picture(x264_picture_t *pic)
{
for (int i = 0; i < pic->extra_sei.num_payloads; i++)
av_free(pic->extra_sei.payloads[i].payload);
av_freep(&pic->extra_sei.payloads);
av_freep(&pic->prop.quant_offsets);
av_freep(&pic->prop.mb_info);
pic->extra_sei.num_payloads = 0;
}
static enum AVPixelFormat csp_to_pixfmt(int csp)
{
switch (csp) {
#ifdef X264_CSP_I400
case X264_CSP_I400: return AV_PIX_FMT_GRAY8;
case X264_CSP_I400 | X264_CSP_HIGH_DEPTH: return AV_PIX_FMT_GRAY10;
#endif
case X264_CSP_I420: return AV_PIX_FMT_YUV420P;
case X264_CSP_I420 | X264_CSP_HIGH_DEPTH: return AV_PIX_FMT_YUV420P10;
case X264_CSP_I422: return AV_PIX_FMT_YUV422P;
case X264_CSP_I422 | X264_CSP_HIGH_DEPTH: return AV_PIX_FMT_YUV422P10;
case X264_CSP_I444: return AV_PIX_FMT_YUV444P;
case X264_CSP_I444 | X264_CSP_HIGH_DEPTH: return AV_PIX_FMT_YUV444P10;
case X264_CSP_NV12: return AV_PIX_FMT_NV12;
#ifdef X264_CSP_NV21
case X264_CSP_NV21: return AV_PIX_FMT_NV21;
#endif
case X264_CSP_NV16: return AV_PIX_FMT_NV16;
};
return AV_PIX_FMT_NONE;
}
static void av_always_inline mbinfo_compute_changed_coords(const AVVideoRect *rect,
int *min_x,
int *max_x,
int *min_y,
int *max_y)
{
*min_y = MB_FLOOR(rect->y);
*max_y = MB_CEIL(rect->y + rect->height);
*min_x = MB_FLOOR(rect->x);
*max_x = MB_CEIL(rect->x + rect->width);
}
static void av_always_inline mbinfo_compute_constant_coords(const AVVideoRect *rect,
int *min_x,
int *max_x,
int *min_y,
int *max_y)
{
*min_y = MB_CEIL(rect->y);
*max_y = MB_FLOOR(rect->y + rect->height);
*min_x = MB_CEIL(rect->x);
*max_x = MB_FLOOR(rect->x + rect->width);
}
static int setup_mb_info(AVCodecContext *ctx, x264_picture_t *pic,
const AVFrame *frame,
const AVVideoHint *info)
{
int mb_width = (frame->width + MB_SIZE - 1) / MB_SIZE;
int mb_height = (frame->height + MB_SIZE - 1) / MB_SIZE;
const AVVideoRect *mbinfo_rects;
int nb_rects;
uint8_t *mbinfo;
mbinfo_rects = (const AVVideoRect *)av_video_hint_rects(info);
nb_rects = info->nb_rects;
mbinfo = av_calloc(mb_width * mb_height, sizeof(*mbinfo));
if (!mbinfo)
return AVERROR(ENOMEM);
#define COMPUTE_MBINFO(mbinfo_filler_, mbinfo_marker_, compute_coords_fn_) \
memset(mbinfo, mbinfo_filler_, sizeof(*mbinfo) * mb_width * mb_height); \
\
for (int i = 0; i < nb_rects; i++) { \
int min_x, max_x, min_y, max_y; \
\
compute_coords_fn_(mbinfo_rects, &min_x, &max_x, &min_y, &max_y); \
for (int mb_y = min_y; mb_y < max_y; ++mb_y) { \
memset(mbinfo + mb_y * mb_width + min_x, mbinfo_marker_, max_x - min_x); \
} \
\
mbinfo_rects++; \
} \
if (info->type == AV_VIDEO_HINT_TYPE_CHANGED) {
COMPUTE_MBINFO(X264_MBINFO_CONSTANT, 0, mbinfo_compute_changed_coords);
} else /* if (info->type == AV_VIDEO_HINT_TYPE_CHANGED) */ {
COMPUTE_MBINFO(0, X264_MBINFO_CONSTANT, mbinfo_compute_constant_coords);
}
pic->prop.mb_info = mbinfo;
pic->prop.mb_info_free = av_free;
return 0;
}
static int setup_roi(AVCodecContext *ctx, x264_picture_t *pic, int bit_depth,
const AVFrame *frame, const uint8_t *data, size_t size)
{
X264Context *x4 = ctx->priv_data;
int mbx = (frame->width + MB_SIZE - 1) / MB_SIZE;
int mby = (frame->height + MB_SIZE - 1) / MB_SIZE;
int qp_range = 51 + 6 * (bit_depth - 8);
int nb_rois;
const AVRegionOfInterest *roi;
uint32_t roi_size;
float *qoffsets;
if (x4->params.rc.i_aq_mode == X264_AQ_NONE) {
if (!x4->roi_warned) {
x4->roi_warned = 1;
av_log(ctx, AV_LOG_WARNING, "Adaptive quantization must be enabled to use ROI encoding, skipping ROI.\n");
}
return 0;
} else if (frame->flags & AV_FRAME_FLAG_INTERLACED) {
if (!x4->roi_warned) {
x4->roi_warned = 1;
av_log(ctx, AV_LOG_WARNING, "interlaced_frame not supported for ROI encoding yet, skipping ROI.\n");
}
return 0;
}
roi = (const AVRegionOfInterest*)data;
roi_size = roi->self_size;
if (!roi_size || size % roi_size != 0) {
av_log(ctx, AV_LOG_ERROR, "Invalid AVRegionOfInterest.self_size.\n");
return AVERROR(EINVAL);
}
nb_rois = size / roi_size;
qoffsets = av_calloc(mbx * mby, sizeof(*qoffsets));
if (!qoffsets)
return AVERROR(ENOMEM);
// This list must be iterated in reverse because the first
// region in the list applies when regions overlap.
for (int i = nb_rois - 1; i >= 0; i--) {
int startx, endx, starty, endy;
float qoffset;
roi = (const AVRegionOfInterest*)(data + roi_size * i);
starty = FFMIN(mby, roi->top / MB_SIZE);
endy = FFMIN(mby, (roi->bottom + MB_SIZE - 1)/ MB_SIZE);
startx = FFMIN(mbx, roi->left / MB_SIZE);
endx = FFMIN(mbx, (roi->right + MB_SIZE - 1)/ MB_SIZE);
if (roi->qoffset.den == 0) {
av_free(qoffsets);
av_log(ctx, AV_LOG_ERROR, "AVRegionOfInterest.qoffset.den must not be zero.\n");
return AVERROR(EINVAL);
}
qoffset = roi->qoffset.num * 1.0f / roi->qoffset.den;
qoffset = av_clipf(qoffset * qp_range, -qp_range, +qp_range);
for (int y = starty; y < endy; y++) {
for (int x = startx; x < endx; x++) {
qoffsets[x + y*mbx] = qoffset;
}
}
}
pic->prop.quant_offsets = qoffsets;
pic->prop.quant_offsets_free = av_free;
return 0;
}
static int setup_frame(AVCodecContext *ctx, const AVFrame *frame,
x264_picture_t **ppic)
{
X264Context *x4 = ctx->priv_data;
X264Opaque *opaque = &x4->reordered_opaque[x4->next_reordered_opaque];
x264_picture_t *pic = &x4->pic;
x264_sei_t *sei = &pic->extra_sei;
unsigned int sei_data_size = 0;
int64_t wallclock = 0;
int bit_depth, ret;
AVFrameSideData *sd;
AVFrameSideData *mbinfo_sd;
*ppic = NULL;
if (!frame)
return 0;
x264_picture_init(pic);
pic->img.i_csp = x4->params.i_csp;
#if X264_BUILD >= 153
bit_depth = x4->params.i_bitdepth;
#else
bit_depth = x264_bit_depth;
#endif
if (bit_depth > 8)
pic->img.i_csp |= X264_CSP_HIGH_DEPTH;
pic->img.i_plane = av_pix_fmt_count_planes(ctx->pix_fmt);
for (int i = 0; i < pic->img.i_plane; i++) {
pic->img.plane[i] = frame->data[i];
pic->img.i_stride[i] = frame->linesize[i];
}
pic->i_pts = frame->pts;
opaque_uninit(opaque);
if (ctx->flags & AV_CODEC_FLAG_COPY_OPAQUE) {
opaque->frame_opaque = frame->opaque;
ret = av_buffer_replace(&opaque->frame_opaque_ref, frame->opaque_ref);
if (ret < 0)
goto fail;
}
#if FF_API_REORDERED_OPAQUE
FF_DISABLE_DEPRECATION_WARNINGS
opaque->reordered_opaque = frame->reordered_opaque;
FF_ENABLE_DEPRECATION_WARNINGS
#endif
opaque->duration = frame->duration;
opaque->wallclock = wallclock;
if (ctx->export_side_data & AV_CODEC_EXPORT_DATA_PRFT)
opaque->wallclock = av_gettime();
pic->opaque = opaque;
x4->next_reordered_opaque++;
x4->next_reordered_opaque %= x4->nb_reordered_opaque;
switch (frame->pict_type) {
case AV_PICTURE_TYPE_I:
pic->i_type = x4->forced_idr > 0 ? X264_TYPE_IDR : X264_TYPE_KEYFRAME;
break;
case AV_PICTURE_TYPE_P:
pic->i_type = X264_TYPE_P;
break;
case AV_PICTURE_TYPE_B:
pic->i_type = X264_TYPE_B;
break;
default:
pic->i_type = X264_TYPE_AUTO;
break;
}
reconfig_encoder(ctx, frame);
if (x4->a53_cc) {
void *sei_data;
size_t sei_size;
ret = ff_alloc_a53_sei(frame, 0, &sei_data, &sei_size);
if (ret < 0)
goto fail;
if (sei_data) {
sei->payloads = av_mallocz(sizeof(sei->payloads[0]));
if (!sei->payloads) {
av_free(sei_data);
ret = AVERROR(ENOMEM);
goto fail;
}
sei->sei_free = av_free;
sei->payloads[0].payload_size = sei_size;
sei->payloads[0].payload = sei_data;
sei->payloads[0].payload_type = SEI_TYPE_USER_DATA_REGISTERED_ITU_T_T35;
sei->num_payloads = 1;
}
}
sd = av_frame_get_side_data(frame, AV_FRAME_DATA_REGIONS_OF_INTEREST);
if (sd) {
ret = setup_roi(ctx, pic, bit_depth, frame, sd->data, sd->size);
if (ret < 0)
goto fail;
}
mbinfo_sd = av_frame_get_side_data(frame, AV_FRAME_DATA_VIDEO_HINT);
if (mbinfo_sd) {
int ret = setup_mb_info(ctx, pic, frame, (const AVVideoHint *)mbinfo_sd->data);
if (ret < 0) {
/* No need to fail here, this is not fatal. We just proceed with no
* mb_info and log a message */
av_log(ctx, AV_LOG_WARNING, "setup_mb_info failed with error: %s\n", av_err2str(ret));
}
}
if (x4->udu_sei) {
for (int j = 0; j < frame->nb_side_data; j++) {
AVFrameSideData *side_data = frame->side_data[j];
void *tmp;
x264_sei_payload_t *sei_payload;
if (side_data->type != AV_FRAME_DATA_SEI_UNREGISTERED)
continue;
tmp = av_fast_realloc(sei->payloads, &sei_data_size, (sei->num_payloads + 1) * sizeof(*sei_payload));
if (!tmp) {
ret = AVERROR(ENOMEM);
goto fail;
}
sei->payloads = tmp;
sei->sei_free = av_free;
sei_payload = &sei->payloads[sei->num_payloads];
sei_payload->payload = av_memdup(side_data->data, side_data->size);
if (!sei_payload->payload) {
ret = AVERROR(ENOMEM);
goto fail;
}
sei_payload->payload_size = side_data->size;
sei_payload->payload_type = SEI_TYPE_USER_DATA_UNREGISTERED;
sei->num_payloads++;
}
}
*ppic = pic;
return 0;
fail:
free_picture(pic);
*ppic = NULL;
return ret;
}
static int X264_frame(AVCodecContext *ctx, AVPacket *pkt, const AVFrame *frame,
int *got_packet)
{
X264Context *x4 = ctx->priv_data;
x264_nal_t *nal;
int nnal, ret;
x264_picture_t pic_out = {0}, *pic_in;
int pict_type;
int64_t wallclock = 0;
X264Opaque *out_opaque;
ret = setup_frame(ctx, frame, &pic_in);
if (ret < 0)
return ret;
do {
if (x264_encoder_encode(x4->enc, &nal, &nnal, pic_in, &pic_out) < 0)
return AVERROR_EXTERNAL;
if (nnal && (ctx->flags & AV_CODEC_FLAG_RECON_FRAME)) {
AVCodecInternal *avci = ctx->internal;
av_frame_unref(avci->recon_frame);
avci->recon_frame->format = csp_to_pixfmt(pic_out.img.i_csp);
if (avci->recon_frame->format == AV_PIX_FMT_NONE) {
av_log(ctx, AV_LOG_ERROR,
"Unhandled reconstructed frame colorspace: %d\n",
pic_out.img.i_csp);
return AVERROR(ENOSYS);
}
avci->recon_frame->width = ctx->width;
avci->recon_frame->height = ctx->height;
for (int i = 0; i < pic_out.img.i_plane; i++) {
avci->recon_frame->data[i] = pic_out.img.plane[i];
avci->recon_frame->linesize[i] = pic_out.img.i_stride[i];
}
ret = av_frame_make_writable(avci->recon_frame);
if (ret < 0) {
av_frame_unref(avci->recon_frame);
return ret;
}
}
ret = encode_nals(ctx, pkt, nal, nnal);
if (ret < 0)
return ret;
} while (!ret && !frame && x264_encoder_delayed_frames(x4->enc));
if (!ret)
return 0;
pkt->pts = pic_out.i_pts;
pkt->dts = pic_out.i_dts;
out_opaque = pic_out.opaque;
if (out_opaque >= x4->reordered_opaque &&
out_opaque < &x4->reordered_opaque[x4->nb_reordered_opaque]) {
#if FF_API_REORDERED_OPAQUE
FF_DISABLE_DEPRECATION_WARNINGS
ctx->reordered_opaque = out_opaque->reordered_opaque;
FF_ENABLE_DEPRECATION_WARNINGS
#endif
wallclock = out_opaque->wallclock;
pkt->duration = out_opaque->duration;
if (ctx->flags & AV_CODEC_FLAG_COPY_OPAQUE) {
pkt->opaque = out_opaque->frame_opaque;
pkt->opaque_ref = out_opaque->frame_opaque_ref;
out_opaque->frame_opaque_ref = NULL;
}
opaque_uninit(out_opaque);
} else {
// Unexpected opaque pointer on picture output
av_log(ctx, AV_LOG_ERROR, "Unexpected opaque pointer; "
"this is a bug, please report it.\n");
#if FF_API_REORDERED_OPAQUE
FF_DISABLE_DEPRECATION_WARNINGS
ctx->reordered_opaque = 0;
FF_ENABLE_DEPRECATION_WARNINGS
#endif
}
switch (pic_out.i_type) {
case X264_TYPE_IDR:
case X264_TYPE_I:
pict_type = AV_PICTURE_TYPE_I;
break;
case X264_TYPE_P:
pict_type = AV_PICTURE_TYPE_P;
break;
case X264_TYPE_B:
case X264_TYPE_BREF:
pict_type = AV_PICTURE_TYPE_B;
break;
default:
av_log(ctx, AV_LOG_ERROR, "Unknown picture type encountered.\n");
return AVERROR_EXTERNAL;
}
pkt->flags |= AV_PKT_FLAG_KEY*pic_out.b_keyframe;
if (ret) {
int error_count = 0;
int64_t *errors = NULL;
int64_t sse[3] = {0};
if (ctx->flags & AV_CODEC_FLAG_PSNR) {
const AVPixFmtDescriptor *pix_desc = av_pix_fmt_desc_get(ctx->pix_fmt);
double scale[3] = { 1,
(double)(1 << pix_desc->log2_chroma_h) * (1 << pix_desc->log2_chroma_w),
(double)(1 << pix_desc->log2_chroma_h) * (1 << pix_desc->log2_chroma_w),
};
error_count = pix_desc->nb_components;
for (int i = 0; i < pix_desc->nb_components; ++i) {
double max_value = (double)(1 << pix_desc->comp[i].depth) - 1.0;
double plane_size = ctx->width * (double)ctx->height / scale[i];
/* psnr = 10 * log10(max_value * max_value / mse) */
double mse = (max_value * max_value) / pow(10, pic_out.prop.f_psnr[i] / 10.0);
/* SSE = MSE * width * height / scale -> because of possible chroma downsampling */
sse[i] = (int64_t)floor(mse * plane_size + .5);
};
errors = sse;
}
ff_side_data_set_encoder_stats(pkt, (pic_out.i_qpplus1 - 1) * FF_QP2LAMBDA,
errors, error_count, pict_type);
if (wallclock)
ff_side_data_set_prft(pkt, wallclock);
}
*got_packet = ret;
return 0;
}
static void X264_flush(AVCodecContext *avctx)
{
X264Context *x4 = avctx->priv_data;
x264_nal_t *nal;
int nnal, ret;
x264_picture_t pic_out = {0};
do {
ret = x264_encoder_encode(x4->enc, &nal, &nnal, NULL, &pic_out);
} while (ret > 0 && x264_encoder_delayed_frames(x4->enc));
for (int i = 0; i < x4->nb_reordered_opaque; i++)
opaque_uninit(&x4->reordered_opaque[i]);
if (x4->sei_size < 0)
x4->sei_size = -x4->sei_size;
}
static av_cold int X264_close(AVCodecContext *avctx)
{
X264Context *x4 = avctx->priv_data;
av_freep(&x4->sei);
for (int i = 0; i < x4->nb_reordered_opaque; i++)
opaque_uninit(&x4->reordered_opaque[i]);
av_freep(&x4->reordered_opaque);
#if X264_BUILD >= 161
x264_param_cleanup(&x4->params);
#endif
if (x4->enc) {
x264_encoder_close(x4->enc);
x4->enc = NULL;
}
return 0;
}
static int parse_opts(AVCodecContext *avctx, const char *opt, const char *param)
{
X264Context *x4 = avctx->priv_data;
int ret;
if ((ret = x264_param_parse(&x4->params, opt, param)) < 0) {
if (ret == X264_PARAM_BAD_NAME) {
av_log(avctx, AV_LOG_ERROR,
"bad option '%s': '%s'\n", opt, param);
ret = AVERROR(EINVAL);
#if X264_BUILD >= 161
} else if (ret == X264_PARAM_ALLOC_FAILED) {
av_log(avctx, AV_LOG_ERROR,
"out of memory parsing option '%s': '%s'\n", opt, param);
ret = AVERROR(ENOMEM);
#endif
} else {
av_log(avctx, AV_LOG_ERROR,
"bad value for '%s': '%s'\n", opt, param);
ret = AVERROR(EINVAL);
}
}
return ret;
}
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_BGR0:
return X264_CSP_BGRA;
case AV_PIX_FMT_BGR24:
return X264_CSP_BGR;
case AV_PIX_FMT_RGB24:
return X264_CSP_RGB;
case AV_PIX_FMT_NV12: return X264_CSP_NV12;
case AV_PIX_FMT_NV16:
case AV_PIX_FMT_NV20: return X264_CSP_NV16;
#ifdef X264_CSP_NV21
case AV_PIX_FMT_NV21: return X264_CSP_NV21;
#endif
#ifdef X264_CSP_I400
case AV_PIX_FMT_GRAY8:
case AV_PIX_FMT_GRAY10: return X264_CSP_I400;
#endif
};
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;
AVCPBProperties *cpb_props;
int sw,sh;
int ret;
if (avctx->global_quality > 0)
av_log(avctx, AV_LOG_WARNING, "-qscale is ignored, -crf is recommended.\n");
#if CONFIG_LIBX262_ENCODER
if (avctx->codec_id == AV_CODEC_ID_MPEG2VIDEO) {
x4->params.b_mpeg2 = 1;
x264_param_default_mpeg2(&x4->params);
} else
#endif
x264_param_default(&x4->params);
x4->params.b_deblocking_filter = avctx->flags & AV_CODEC_FLAG_LOOP_FILTER;
if (x4->preset || x4->tune)
if (x264_param_default_preset(&x4->params, x4->preset, x4->tune) < 0) {
int i;
av_log(avctx, AV_LOG_ERROR, "Error setting preset/tune %s/%s.\n", x4->preset, x4->tune);
av_log(avctx, AV_LOG_INFO, "Possible presets:");
for (i = 0; x264_preset_names[i]; i++)
av_log(avctx, AV_LOG_INFO, " %s", x264_preset_names[i]);
av_log(avctx, AV_LOG_INFO, "\n");
av_log(avctx, AV_LOG_INFO, "Possible tunes:");
for (i = 0; x264_tune_names[i]; i++)
av_log(avctx, AV_LOG_INFO, " %s", x264_tune_names[i]);
av_log(avctx, AV_LOG_INFO, "\n");
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);
#if X264_BUILD >= 153
x4->params.i_bitdepth = av_pix_fmt_desc_get(avctx->pix_fmt)->comp[0].depth;
#endif
PARSE_X264_OPT("weightp", wpredp);
if (avctx->bit_rate) {
if (avctx->bit_rate / 1000 > INT_MAX || avctx->rc_max_rate / 1000 > INT_MAX) {
av_log(avctx, AV_LOG_ERROR, "bit_rate and rc_max_rate > %d000 not supported by libx264\n", INT_MAX);
return AVERROR(EINVAL);
}
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 & AV_CODEC_FLAG_PASS1;
if (avctx->flags & AV_CODEC_FLAG_PASS2) {
x4->params.rc.b_stat_read = 1;
} else {
if (x4->crf >= 0) {
x4->params.rc.i_rc_method = X264_RC_CRF;
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 = x4->cqp;
}
if (x4->crf_max >= 0)
x4->params.rc.f_rf_constant_max = x4->crf_max;
}
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;
}
PARSE_X264_OPT("level", level);
if (avctx->i_quant_factor > 0)
x4->params.rc.f_ip_factor = 1 / fabs(avctx->i_quant_factor);
if (avctx->b_quant_factor > 0)
x4->params.rc.f_pb_factor = avctx->b_quant_factor;
if (x4->chroma_offset)
x4->params.analyse.i_chroma_qp_offset = x4->chroma_offset;
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 (x4->scenechange_threshold >= 0)
x4->params.i_scenecut_threshold = x4->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->params.i_level_idc > 0) {
int i;
int mbn = AV_CEIL_RSHIFT(avctx->width, 4) * AV_CEIL_RSHIFT(avctx->height, 4);
int scale = X264_BUILD < 129 ? 384 : 1;
for (i = 0; i<x264_levels[i].level_idc; i++)
if (x264_levels[i].level_idc == x4->params.i_level_idc)
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 (x4->noise_reduction >= 0)
x4->params.analyse.i_noise_reduction = x4->noise_reduction;
if (avctx->me_subpel_quality >= 0)
x4->params.analyse.i_subpel_refine = avctx->me_subpel_quality;
if (avctx->keyint_min >= 0)
x4->params.i_keyint_min = avctx->keyint_min;
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->avcintra_class > 200) {
#if X264_BUILD < 164
av_log(avctx, AV_LOG_ERROR,
"x264 too old for AVC Intra 300/480, at least version 164 needed\n");
return AVERROR(EINVAL);
#else
/* AVC-Intra 300/480 only supported by Sony XAVC flavor */
x4->params.i_avcintra_flavor = X264_AVCINTRA_FLAVOR_SONY;
#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;
if (x4->fastfirstpass)
x264_param_apply_fastfirstpass(&x4->params);
x4->profile = x4->profile_opt;
/* Allow specifying the x264 profile through AVCodecContext. */
if (!x4->profile)
switch (avctx->profile) {
case AV_PROFILE_H264_BASELINE:
x4->profile = "baseline";
break;
case AV_PROFILE_H264_HIGH:
x4->profile = "high";
break;
case AV_PROFILE_H264_HIGH_10:
x4->profile = "high10";
break;
case AV_PROFILE_H264_HIGH_422:
x4->profile = "high422";
break;
case AV_PROFILE_H264_HIGH_444:
x4->profile = "high444";
break;
case AV_PROFILE_H264_MAIN:
x4->profile = "main";
break;
default:
break;
}
if (x4->nal_hrd >= 0)
x4->params.i_nal_hrd = x4->nal_hrd;
if (x4->motion_est >= 0)
x4->params.analyse.i_me_method = x4->motion_est;
if (x4->coder >= 0)
x4->params.b_cabac = x4->coder;
if (x4->b_frame_strategy >= 0)
x4->params.i_bframe_adaptive = x4->b_frame_strategy;
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;
if (avctx->framerate.num > 0 && avctx->framerate.den > 0) {
x4->params.i_fps_num = avctx->framerate.num;
x4->params.i_fps_den = avctx->framerate.den;
} else {
x4->params.i_fps_num = avctx->time_base.den;
FF_DISABLE_DEPRECATION_WARNINGS
x4->params.i_fps_den = avctx->time_base.num
#if FF_API_TICKS_PER_FRAME
* avctx->ticks_per_frame
#endif
;
FF_ENABLE_DEPRECATION_WARNINGS
}
x4->params.analyse.b_psnr = avctx->flags & AV_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 & AV_CODEC_FLAG_INTERLACED_DCT;
x4->params.b_open_gop = !(avctx->flags & AV_CODEC_FLAG_CLOSED_GOP);
x4->params.i_slice_count = avctx->slices;
if (avctx->color_range != AVCOL_RANGE_UNSPECIFIED)
x4->params.vui.b_fullrange = avctx->color_range == AVCOL_RANGE_JPEG;
else if (avctx->pix_fmt == AV_PIX_FMT_YUVJ420P ||
avctx->pix_fmt == AV_PIX_FMT_YUVJ422P ||
avctx->pix_fmt == AV_PIX_FMT_YUVJ444P)
x4->params.vui.b_fullrange = 1;
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->chroma_sample_location != AVCHROMA_LOC_UNSPECIFIED)
x4->params.vui.i_chroma_loc = avctx->chroma_sample_location - 1;
if (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER)
x4->params.b_repeat_headers = 0;
if (avctx->flags & AV_CODEC_FLAG_RECON_FRAME)
x4->params.b_full_recon = 1;
if(x4->x264opts){
const char *p= x4->x264opts;
while(p){
char param[4096]={0}, val[4096]={0};
if(sscanf(p, "%4095[^:=]=%4095[^:]", param, val) == 1){
ret = parse_opts(avctx, param, "1");
if (ret < 0)
return ret;
} else {
ret = parse_opts(avctx, param, val);
if (ret < 0)
return ret;
}
p= strchr(p, ':');
if (p) {
++p;
}
}
}
#if X264_BUILD >= 142
/* Separate headers not supported in AVC-Intra mode */
if (x4->avcintra_class >= 0)
x4->params.b_repeat_headers = 1;
#endif
{
AVDictionaryEntry *en = NULL;
while (en = av_dict_get(x4->x264_params, "", en, AV_DICT_IGNORE_SUFFIX)) {
if ((ret = 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);
#if X264_BUILD >= 161
if (ret == X264_PARAM_ALLOC_FAILED)
return AVERROR(ENOMEM);
#endif
}
}
}
x4->params.analyse.b_mb_info = x4->mb_info;
// 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*1000LL;
x4->enc = x264_encoder_open(&x4->params);
if (!x4->enc)
return AVERROR_EXTERNAL;
if (avctx->flags & AV_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_mallocz(s + AV_INPUT_BUFFER_PADDING_SIZE);
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;
}
cpb_props = ff_encode_add_cpb_side_data(avctx);
if (!cpb_props)
return AVERROR(ENOMEM);
cpb_props->buffer_size = x4->params.rc.i_vbv_buffer_size * 1000;
cpb_props->max_bitrate = x4->params.rc.i_vbv_max_bitrate * 1000LL;
cpb_props->avg_bitrate = x4->params.rc.i_bitrate * 1000LL;
// Overestimate the reordered opaque buffer size, in case a runtime
// reconfigure would increase the delay (which it shouldn't).
x4->nb_reordered_opaque = x264_encoder_maximum_delayed_frames(x4->enc) + 17;
x4->reordered_opaque = av_calloc(x4->nb_reordered_opaque,
sizeof(*x4->reordered_opaque));
if (!x4->reordered_opaque) {
x4->nb_reordered_opaque = 0;
return AVERROR(ENOMEM);
}
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,
#ifdef X264_CSP_NV21
AV_PIX_FMT_NV21,
#endif
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_all[] = {
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,
#ifdef X264_CSP_NV21
AV_PIX_FMT_NV21,
#endif
AV_PIX_FMT_YUV420P10,
AV_PIX_FMT_YUV422P10,
AV_PIX_FMT_YUV444P10,
AV_PIX_FMT_NV20,
#ifdef X264_CSP_I400
AV_PIX_FMT_GRAY8,
AV_PIX_FMT_GRAY10,
#endif
AV_PIX_FMT_NONE
};
#if CONFIG_LIBX264RGB_ENCODER
static const enum AVPixelFormat pix_fmts_8bit_rgb[] = {
AV_PIX_FMT_BGR0,
AV_PIX_FMT_BGR24,
AV_PIX_FMT_RGB24,
AV_PIX_FMT_NONE
};
#endif
#if X264_BUILD < 153
static av_cold void X264_init_static(FFCodec *codec)
{
if (x264_bit_depth == 8)
codec->p.pix_fmts = pix_fmts_8bit;
else if (x264_bit_depth == 9)
codec->p.pix_fmts = pix_fmts_9bit;
else if (x264_bit_depth == 10)
codec->p.pix_fmts = pix_fmts_10bit;
}
#endif
#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_opt), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE},
{ "fastfirstpass", "Use fast settings when encoding first pass", OFFSET(fastfirstpass), AV_OPT_TYPE_BOOL, { .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},
{"a53cc", "Use A53 Closed Captions (if available)", OFFSET(a53_cc), AV_OPT_TYPE_BOOL, {.i64 = 1}, 0, 1, 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, .unit = "aq_mode"},
{ "none", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_AQ_NONE}, INT_MIN, INT_MAX, VE, .unit = "aq_mode" },
{ "variance", "Variance AQ (complexity mask)", 0, AV_OPT_TYPE_CONST, {.i64 = X264_AQ_VARIANCE}, INT_MIN, INT_MAX, VE, .unit = "aq_mode" },
{ "autovariance", "Auto-variance AQ", 0, AV_OPT_TYPE_CONST, {.i64 = X264_AQ_AUTOVARIANCE}, INT_MIN, INT_MAX, VE, .unit = "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, .unit = "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_BOOL, { .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_BOOL, { .i64 = -1 }, -1, 1, VE },
{ "weightp", "Weighted prediction analysis method.", OFFSET(weightp), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE, .unit = "weightp" },
{ "none", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_WEIGHTP_NONE}, INT_MIN, INT_MAX, VE, .unit = "weightp" },
{ "simple", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_WEIGHTP_SIMPLE}, INT_MIN, INT_MAX, VE, .unit = "weightp" },
{ "smart", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_WEIGHTP_SMART}, INT_MIN, INT_MAX, VE, .unit = "weightp" },
{ "ssim", "Calculate and print SSIM stats.", OFFSET(ssim), AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE },
{ "intra-refresh", "Use Periodic Intra Refresh instead of IDR frames.",OFFSET(intra_refresh),AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE },
{ "bluray-compat", "Bluray compatibility workarounds.", OFFSET(bluray_compat) ,AV_OPT_TYPE_BOOL, { .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, .unit = "b_pyramid" },
{ "none", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_B_PYRAMID_NONE}, INT_MIN, INT_MAX, VE, .unit = "b_pyramid" },
{ "strict", "Strictly hierarchical pyramid", 0, AV_OPT_TYPE_CONST, {.i64 = X264_B_PYRAMID_STRICT}, INT_MIN, INT_MAX, VE, .unit = "b_pyramid" },
{ "normal", "Non-strict (not Blu-ray compatible)", 0, AV_OPT_TYPE_CONST, {.i64 = X264_B_PYRAMID_NORMAL}, INT_MIN, INT_MAX, VE, .unit = "b_pyramid" },
{ "mixed-refs", "One reference per partition, as opposed to one reference per macroblock", OFFSET(mixed_refs), AV_OPT_TYPE_BOOL, { .i64 = -1}, -1, 1, VE },
{ "8x8dct", "High profile 8x8 transform.", OFFSET(dct8x8), AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE},
{ "fast-pskip", NULL, OFFSET(fast_pskip), AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE},
{ "aud", "Use access unit delimiters.", OFFSET(aud), AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE},
{ "mbtree", "Use macroblock tree ratecontrol.", OFFSET(mbtree), AV_OPT_TYPE_BOOL, { .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, .unit = "direct-pred" },
{ "none", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_DIRECT_PRED_NONE }, 0, 0, VE, .unit = "direct-pred" },
{ "spatial", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_DIRECT_PRED_SPATIAL }, 0, 0, VE, .unit = "direct-pred" },
{ "temporal", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_DIRECT_PRED_TEMPORAL }, 0, 0, VE, .unit = "direct-pred" },
{ "auto", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_DIRECT_PRED_AUTO }, 0, 0, VE, .unit = "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, .unit = "nal-hrd" },
{ "none", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_NAL_HRD_NONE}, INT_MIN, INT_MAX, VE, .unit = "nal-hrd" },
{ "vbr", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_NAL_HRD_VBR}, INT_MIN, INT_MAX, VE, .unit = "nal-hrd" },
{ "cbr", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_NAL_HRD_CBR}, INT_MIN, INT_MAX, VE, .unit = "nal-hrd" },
{ "avcintra-class","AVC-Intra class 50/100/200/300/480", OFFSET(avcintra_class),AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 480 , VE},
{ "me_method", "Set motion estimation method", OFFSET(motion_est), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, X264_ME_TESA, VE, .unit = "motion-est"},
{ "motion-est", "Set motion estimation method", OFFSET(motion_est), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, X264_ME_TESA, VE, .unit = "motion-est"},
{ "dia", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_ME_DIA }, INT_MIN, INT_MAX, VE, .unit = "motion-est" },
{ "hex", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_ME_HEX }, INT_MIN, INT_MAX, VE, .unit = "motion-est" },
{ "umh", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_ME_UMH }, INT_MIN, INT_MAX, VE, .unit = "motion-est" },
{ "esa", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_ME_ESA }, INT_MIN, INT_MAX, VE, .unit = "motion-est" },
{ "tesa", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_ME_TESA }, INT_MIN, INT_MAX, VE, .unit = "motion-est" },
{ "forced-idr", "If forcing keyframes, force them as IDR frames.", OFFSET(forced_idr), AV_OPT_TYPE_BOOL, { .i64 = 0 }, -1, 1, VE },
{ "coder", "Coder type", OFFSET(coder), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE, .unit = "coder" },
{ "default", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = -1 }, INT_MIN, INT_MAX, VE, .unit = "coder" },
{ "cavlc", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 0 }, INT_MIN, INT_MAX, VE, .unit = "coder" },
{ "cabac", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 1 }, INT_MIN, INT_MAX, VE, .unit = "coder" },
{ "vlc", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 0 }, INT_MIN, INT_MAX, VE, .unit = "coder" },
{ "ac", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 1 }, INT_MIN, INT_MAX, VE, .unit = "coder" },
{ "b_strategy", "Strategy to choose between I/P/B-frames", OFFSET(b_frame_strategy), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 2, VE },
{ "chromaoffset", "QP difference between chroma and luma", OFFSET(chroma_offset), AV_OPT_TYPE_INT, { .i64 = 0 }, INT_MIN, INT_MAX, VE },
{ "sc_threshold", "Scene change threshold", OFFSET(scenechange_threshold), AV_OPT_TYPE_INT, { .i64 = -1 }, INT_MIN, INT_MAX, VE },
{ "noise_reduction", "Noise reduction", OFFSET(noise_reduction), AV_OPT_TYPE_INT, { .i64 = -1 }, INT_MIN, INT_MAX, VE },
{ "udu_sei", "Use user data unregistered SEI if available", OFFSET(udu_sei), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
{ "x264-params", "Override the x264 configuration using a :-separated list of key=value parameters", OFFSET(x264_params), AV_OPT_TYPE_DICT, { 0 }, 0, 0, VE },
{ "mb_info", "Set mb_info data through AVSideData, only useful when used from the API", OFFSET(mb_info), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
{ NULL },
};
static const FFCodecDefault 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" },
{ "trellis", "-1" },
{ "me_range", "-1" },
{ "subq", "-1" },
{ "keyint_min", "-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 x264_class = {
.class_name = "libx264",
.item_name = av_default_item_name,
.option = options,
.version = LIBAVUTIL_VERSION_INT,
};
#if X264_BUILD >= 153
const
#endif
FFCodec ff_libx264_encoder = {
.p.name = "libx264",
CODEC_LONG_NAME("libx264 H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10"),
.p.type = AVMEDIA_TYPE_VIDEO,
.p.id = AV_CODEC_ID_H264,
.p.capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_DELAY |
AV_CODEC_CAP_OTHER_THREADS |
AV_CODEC_CAP_ENCODER_REORDERED_OPAQUE |
AV_CODEC_CAP_ENCODER_FLUSH |
AV_CODEC_CAP_ENCODER_RECON_FRAME,
.p.priv_class = &x264_class,
.p.wrapper_name = "libx264",
.priv_data_size = sizeof(X264Context),
.init = X264_init,
FF_CODEC_ENCODE_CB(X264_frame),
.flush = X264_flush,
.close = X264_close,
.defaults = x264_defaults,
#if X264_BUILD < 153
.init_static_data = X264_init_static,
#else
.p.pix_fmts = pix_fmts_all,
#endif
.caps_internal = FF_CODEC_CAP_INIT_CLEANUP | FF_CODEC_CAP_AUTO_THREADS
#if X264_BUILD < 158
| FF_CODEC_CAP_NOT_INIT_THREADSAFE
#endif
,
};
#endif
#if CONFIG_LIBX264RGB_ENCODER
static const AVClass rgbclass = {
.class_name = "libx264rgb",
.item_name = av_default_item_name,
.option = options,
.version = LIBAVUTIL_VERSION_INT,
};
const FFCodec ff_libx264rgb_encoder = {
.p.name = "libx264rgb",
CODEC_LONG_NAME("libx264 H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10 RGB"),
.p.type = AVMEDIA_TYPE_VIDEO,
.p.id = AV_CODEC_ID_H264,
.p.capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_DELAY |
AV_CODEC_CAP_OTHER_THREADS |
AV_CODEC_CAP_ENCODER_REORDERED_OPAQUE,
.p.pix_fmts = pix_fmts_8bit_rgb,
.p.priv_class = &rgbclass,
.p.wrapper_name = "libx264",
.priv_data_size = sizeof(X264Context),
.init = X264_init,
FF_CODEC_ENCODE_CB(X264_frame),
.close = X264_close,
.defaults = x264_defaults,
.caps_internal = FF_CODEC_CAP_INIT_CLEANUP | FF_CODEC_CAP_AUTO_THREADS
#if X264_BUILD < 158
| FF_CODEC_CAP_NOT_INIT_THREADSAFE
#endif
,
};
#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,
};
const FFCodec ff_libx262_encoder = {
.p.name = "libx262",
CODEC_LONG_NAME("libx262 MPEG2VIDEO"),
.p.type = AVMEDIA_TYPE_VIDEO,
.p.id = AV_CODEC_ID_MPEG2VIDEO,
.p.capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_DELAY |
AV_CODEC_CAP_OTHER_THREADS |
AV_CODEC_CAP_ENCODER_REORDERED_OPAQUE,
.p.pix_fmts = pix_fmts_8bit,
.p.priv_class = &X262_class,
.p.wrapper_name = "libx264",
.priv_data_size = sizeof(X264Context),
.init = X264_init,
FF_CODEC_ENCODE_CB(X264_frame),
.close = X264_close,
.defaults = x264_defaults,
.caps_internal = FF_CODEC_CAP_NOT_INIT_THREADSAFE |
FF_CODEC_CAP_INIT_CLEANUP | FF_CODEC_CAP_AUTO_THREADS,
};
#endif