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mpv/libmpcodecs/ve_x264.c
gpoirier b2e88f2b32 custom quantization matrix for x264, original patch by Robert Swain < robert POUM swain AH gmail POUM com> 
Lots of nits and improvement by the MPlayer team
Original thread:
Date: Jul 12, 2005 5:04 PM
Subject: [MPlayer-dev-eng] [PATCH] CQMs in x264


git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@16367 b3059339-0415-0410-9bf9-f77b7e298cf2
2005-09-02 21:54:17 +00:00

529 lines
19 KiB
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/*****************************************************************************
*
* - H.264 encoder for mencoder using x264 -
*
* Copyright (C) 2004 LINUX4MEDIA GmbH
* Copyright (C) 2004 Ark Linux
*
* Written by Bernhard Rosenkraenzer <bero@arklinux.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation, or if, and only if,
* version 2 is ruled invalid in a court of law, any later version
* of the GNU General Public License published by the Free Software
* Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTIBILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*****************************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include "../config.h"
#include "../mp_msg.h"
#ifdef HAVE_X264
#include "m_option.h"
#include "codec-cfg.h"
#include "stream.h"
#include "demuxer.h"
#include "stheader.h"
#include "muxer.h"
#include "img_format.h"
#include "mp_image.h"
#include "vf.h"
#include <x264.h>
typedef struct _h264_module_t {
muxer_stream_t *mux;
x264_param_t param;
x264_t * x264;
x264_picture_t pic;
} h264_module_t;
extern char* passtmpfile;
static int bitrate = -1;
static int qp_constant = 26;
static int frame_ref = 1;
static int keyint_max = 250;
static int keyint_min = 25;
static int scenecut_threshold = 40;
static int bframe = 0;
static int bframe_adaptive = 1;
static int bframe_bias = 0;
static int bframe_pyramid = 0;
static int deblock = 1;
static int deblockalpha = 0;
static int deblockbeta = 0;
static int cabac = 1;
static int p4x4mv = 0;
static int p8x8mv = 1;
static int b8x8mv = 1;
static int i8x8 = 1;
static int i4x4 = 1;
static int dct8 = 0;
static int direct_pred = X264_DIRECT_PRED_TEMPORAL;
static int weight_b = 0;
static int chroma_me = 1;
static int chroma_qp_offset = 0;
static float ip_factor = 1.4;
static float pb_factor = 1.3;
static float ratetol = 1.0;
static int vbv_maxrate = 0;
static int vbv_bufsize = 0;
static float vbv_init = 0.9;
static int qp_min = 10;
static int qp_max = 51;
static int qp_step = 2;
static int pass = 0;
static float qcomp = 0.6;
static float qblur = 0.5;
static float complexity_blur = 20;
static char *rc_eq = "blurCplx^(1-qComp)";
static char *zones = NULL;
static int subq = 5;
static int me_method = 2;
static int me_range = 16;
static int threads = 1;
static int level_idc = 40;
static int psnr = 0;
static int log_level = 2;
static int turbo = 0;
static int visualize = 0;
static char *cqm = NULL;
static char *cqm4iy = NULL;
static char *cqm4ic = NULL;
static char *cqm4py = NULL;
static char *cqm4pc = NULL;
static char *cqm8iy = NULL;
static char *cqm8py = NULL;
m_option_t x264encopts_conf[] = {
{"bitrate", &bitrate, CONF_TYPE_INT, CONF_RANGE, 0, 24000000, NULL},
{"qp_constant", &qp_constant, CONF_TYPE_INT, CONF_RANGE, 0, 51, NULL},
{"frameref", &frame_ref, CONF_TYPE_INT, CONF_RANGE, 1, 16, NULL},
{"keyint", &keyint_max, CONF_TYPE_INT, CONF_RANGE, 1, 24000000, NULL},
{"keyint_min", &keyint_min, CONF_TYPE_INT, CONF_RANGE, 1, 24000000, NULL},
{"scenecut", &scenecut_threshold, CONF_TYPE_INT, CONF_RANGE, -1, 100, NULL},
{"bframes", &bframe, CONF_TYPE_INT, CONF_RANGE, 0, 16, NULL},
{"b_adapt", &bframe_adaptive, CONF_TYPE_FLAG, 0, 0, 1, NULL},
{"nob_adapt", &bframe_adaptive, CONF_TYPE_FLAG, 0, 1, 0, NULL},
{"b_bias", &bframe_bias, CONF_TYPE_INT, CONF_RANGE, -100, 100, NULL},
{"b_pyramid", &bframe_pyramid, CONF_TYPE_FLAG, 0, 0, 1, NULL},
{"nob_pyramid", &bframe_pyramid, CONF_TYPE_FLAG, 0, 1, 0, NULL},
{"deblock", &deblock, CONF_TYPE_FLAG, 0, 0, 1, NULL},
{"nodeblock", &deblock, CONF_TYPE_FLAG, 0, 1, 0, NULL},
{"deblockalpha", &deblockalpha, CONF_TYPE_INT, CONF_RANGE, -6, 6, NULL},
{"deblockbeta", &deblockbeta, CONF_TYPE_INT, CONF_RANGE, -6, 6, NULL},
{"cabac", &cabac, CONF_TYPE_FLAG, 0, 0, 1, NULL},
{"nocabac", &cabac, CONF_TYPE_FLAG, 0, 1, 0, NULL},
{"4x4mv", &p4x4mv, CONF_TYPE_FLAG, 0, 0, 1, NULL},
{"no4x4mv", &p4x4mv, CONF_TYPE_FLAG, 0, 1, 0, NULL},
{"8x8mv", &p8x8mv, CONF_TYPE_FLAG, 0, 0, 1, NULL},
{"no8x8mv", &p8x8mv, CONF_TYPE_FLAG, 0, 1, 0, NULL},
{"b8x8mv", &b8x8mv, CONF_TYPE_FLAG, 0, 0, 1, NULL},
{"nob8x8mv", &b8x8mv, CONF_TYPE_FLAG, 0, 1, 0, NULL},
{"i4x4", &i4x4, CONF_TYPE_FLAG, 0, 0, 1, NULL},
{"noi4x4", &i4x4, CONF_TYPE_FLAG, 0, 0, 0, NULL},
{"i8x8", &i8x8, CONF_TYPE_FLAG, 0, 0, 1, NULL},
{"noi8x8", &i8x8, CONF_TYPE_FLAG, 0, 0, 0, NULL},
{"8x8dct", &dct8, CONF_TYPE_FLAG, 0, 0, 1, NULL},
{"no8x8dct", &dct8, CONF_TYPE_FLAG, 0, 0, 0, NULL},
{"direct_pred", &direct_pred, CONF_TYPE_INT, CONF_RANGE, 0, 2, NULL},
{"weight_b", &weight_b, CONF_TYPE_FLAG, 0, 0, 1, NULL},
{"noweight_b", &weight_b, CONF_TYPE_FLAG, 0, 1, 0, NULL},
{"chroma_me", &chroma_me, CONF_TYPE_FLAG, 0, 0, 1, NULL},
{"nochroma_me", &chroma_me, CONF_TYPE_FLAG, 0, 1, 0, NULL},
{"chroma_qp_offset", &chroma_qp_offset, CONF_TYPE_INT, CONF_RANGE, -12, 12, NULL},
{"ip_factor", &ip_factor, CONF_TYPE_FLOAT, CONF_RANGE, -10.0, 10.0, NULL},
{"pb_factor", &pb_factor, CONF_TYPE_FLOAT, CONF_RANGE, -10.0, 10.0, NULL},
{"ratetol", &ratetol, CONF_TYPE_FLOAT, CONF_RANGE, 0.1, 100.0, NULL},
{"vbv_maxrate", &vbv_maxrate, CONF_TYPE_INT, CONF_RANGE, 0, 24000000, NULL},
{"vbv_bufsize", &vbv_bufsize, CONF_TYPE_INT, CONF_RANGE, 0, 24000000, NULL},
{"vbv_init", &vbv_init, CONF_TYPE_FLOAT, CONF_RANGE, 0.0, 1.0, NULL},
{"qp_min", &qp_min, CONF_TYPE_INT, CONF_RANGE, 1, 51, NULL},
{"qp_max", &qp_max, CONF_TYPE_INT, CONF_RANGE, 1, 51, NULL},
{"qp_step", &qp_step, CONF_TYPE_INT, CONF_RANGE, 1, 50, NULL},
{"pass", &pass, CONF_TYPE_INT, CONF_RANGE, 1, 3, NULL},
{"rc_eq", &rc_eq, CONF_TYPE_STRING, 0, 0, 0, NULL},
{"cqm", &cqm, CONF_TYPE_STRING, 0, 0, 0, NULL},
{"cqm4iy", &cqm4iy, CONF_TYPE_STRING, 0, 0, 0, NULL},
{"cqm4ic", &cqm4ic, CONF_TYPE_STRING, 0, 0, 0, NULL},
{"cqm4py", &cqm4py, CONF_TYPE_STRING, 0, 0, 0, NULL},
{"cqm4pc", &cqm4pc, CONF_TYPE_STRING, 0, 0, 0, NULL},
{"cqm8iy", &cqm8iy, CONF_TYPE_STRING, 0, 0, 0, NULL},
{"cqm8py", &cqm8py, CONF_TYPE_STRING, 0, 0, 0, NULL},
{"qcomp", &qcomp, CONF_TYPE_FLOAT, CONF_RANGE, 0, 1, NULL},
{"qblur", &qblur, CONF_TYPE_FLOAT, CONF_RANGE, 0, 99, NULL},
{"cplx_blur", &complexity_blur, CONF_TYPE_FLOAT, CONF_RANGE, 0, 999, NULL},
{"zones", &zones, CONF_TYPE_STRING, 0, 0, 0, NULL},
{"subq", &subq, CONF_TYPE_INT, CONF_RANGE, 1, 6, NULL},
{"me", &me_method, CONF_TYPE_INT, CONF_RANGE, 1, 4, NULL},
{"me_range", &me_range, CONF_TYPE_INT, CONF_RANGE, 4, 64, NULL},
{"level_idc", &level_idc, CONF_TYPE_INT, CONF_RANGE, 10, 51, NULL},
{"threads", &threads, CONF_TYPE_INT, CONF_RANGE, 1, 4, NULL},
{"psnr", &psnr, CONF_TYPE_FLAG, 0, 0, 1, NULL},
{"nopsnr", &psnr, CONF_TYPE_FLAG, 0, 1, 0, NULL},
{"log", &log_level, CONF_TYPE_INT, CONF_RANGE, -1, 3, NULL},
{"turbo", &turbo, CONF_TYPE_INT, CONF_RANGE, 0, 2, NULL},
{"visualize", &visualize, CONF_TYPE_FLAG, 0, 0, 1, NULL},
{"novisualize", &visualize, CONF_TYPE_FLAG, 0, 1, 0, NULL},
{NULL, NULL, 0, 0, 0, 0, NULL}
};
static int parse_cqm(const char *str, uint8_t *cqm, int length,
h264_module_t *mod, char *matrix_name) {
int i;
if (!str) return 0;
for (i = 0; i < length; i++) {
long coef = strtol(str, &str, 0);
if (coef < 1 || coef > 255 || str[0] != ((i + 1 == length)?0:',')) {
mp_msg( MSGT_MENCODER, MSGL_ERR, "x264: Invalid entry in cqm%s at position %d.\n", matrix_name, i+1 );
return -1;
}
cqm[i] = coef;
str = &str[1];
}
mod->param.i_cqm_preset = X264_CQM_CUSTOM;
return 0;
}
static int put_image(struct vf_instance_s *vf, mp_image_t *mpi);
static int encode_frame(struct vf_instance_s *vf, x264_picture_t *pic_in);
static int config(struct vf_instance_s* vf, int width, int height, int d_width, int d_height, unsigned int flags, unsigned int outfmt) {
h264_module_t *mod=(h264_module_t*)vf->priv;
mod->mux->bih->biWidth = width;
mod->mux->bih->biHeight = height;
mod->mux->aspect = (float)d_width/d_height;
x264_param_default(&mod->param);
mod->param.i_frame_reference = frame_ref;
mod->param.i_keyint_max = keyint_max;
mod->param.i_keyint_min = keyint_min;
mod->param.i_scenecut_threshold = scenecut_threshold;
mod->param.i_bframe = bframe;
mod->param.b_bframe_adaptive = bframe_adaptive;
mod->param.i_bframe_bias = bframe_bias;
mod->param.b_bframe_pyramid = bframe_pyramid;
mod->param.b_deblocking_filter = deblock;
mod->param.i_deblocking_filter_alphac0 = deblockalpha;
mod->param.i_deblocking_filter_beta = deblockbeta;
mod->param.b_cabac = cabac;
mod->param.rc.i_qp_constant = qp_constant;
if(qp_min > qp_constant)
qp_min = qp_constant;
if(qp_max < qp_constant)
qp_max = qp_constant;
mod->param.rc.i_qp_min = qp_min;
mod->param.rc.i_qp_max = qp_max;
mod->param.rc.i_qp_step = qp_step;
mod->param.rc.psz_rc_eq = rc_eq;
mod->param.rc.f_qcompress = qcomp;
mod->param.rc.f_qblur = qblur;
mod->param.rc.f_complexity_blur = complexity_blur;
mod->param.analyse.i_subpel_refine = subq;
mod->param.rc.psz_stat_out = passtmpfile;
mod->param.rc.psz_stat_in = passtmpfile;
if((pass & 2) && bitrate <= 0)
{
mp_msg(MSGT_MENCODER, MSGL_ERR,
"2 pass encoding enabled, but no bitrate specified.\n");
return 0;
}
if(bitrate > 0) {
if((vbv_maxrate > 0) != (vbv_bufsize > 0)) {
mp_msg(MSGT_MENCODER, MSGL_ERR,
"VBV requires both vbv_maxrate and vbv_bufsize.\n");
return 0;
}
mod->param.rc.b_cbr = 1;
mod->param.rc.i_bitrate = bitrate;
mod->param.rc.f_rate_tolerance = ratetol;
mod->param.rc.i_vbv_max_bitrate = vbv_maxrate;
mod->param.rc.i_vbv_buffer_size = vbv_bufsize;
mod->param.rc.f_vbv_buffer_init = vbv_init;
}
mod->param.rc.f_ip_factor = ip_factor;
mod->param.rc.f_pb_factor = pb_factor;
mod->param.rc.psz_zones = zones;
switch(me_method) {
case 1: mod->param.analyse.i_me_method = X264_ME_DIA; break;
case 2: mod->param.analyse.i_me_method = X264_ME_HEX; break;
case 3: mod->param.analyse.i_me_method = X264_ME_UMH; break;
case 4: mod->param.analyse.i_me_method = X264_ME_ESA; break;
}
mod->param.analyse.inter = 0;
if(p4x4mv) mod->param.analyse.inter |= X264_ANALYSE_PSUB8x8;
if(p8x8mv) mod->param.analyse.inter |= X264_ANALYSE_PSUB16x16;
if(b8x8mv) mod->param.analyse.inter |= X264_ANALYSE_BSUB16x16;
if(i4x4) mod->param.analyse.inter |= X264_ANALYSE_I4x4;
if(i8x8) mod->param.analyse.inter |= X264_ANALYSE_I8x8;
mod->param.analyse.b_transform_8x8 = dct8;
mod->param.analyse.i_direct_mv_pred = direct_pred;
mod->param.analyse.b_weighted_bipred = weight_b;
mod->param.analyse.i_chroma_qp_offset = chroma_qp_offset;
mod->param.analyse.b_chroma_me = chroma_me;
mod->param.i_width = width;
mod->param.i_height = height;
mod->param.i_fps_num = mod->mux->h.dwRate;
mod->param.i_fps_den = mod->mux->h.dwScale;
mod->param.i_level_idc = level_idc;
mod->param.analyse.b_psnr = psnr;
mod->param.i_log_level = log_level;
mod->param.b_visualize = visualize;
mod->param.vui.i_sar_width = d_width*height;
mod->param.vui.i_sar_height = d_height*width;
mod->param.i_threads = threads;
if(cqm != NULL)
{
if( !strcmp(cqm, "flat") )
mod->param.i_cqm_preset = X264_CQM_FLAT;
else if( !strcmp(cqm, "jvt") )
mod->param.i_cqm_preset = X264_CQM_JVT;
else
{
FILE *cqm_test;
cqm_test = fopen( cqm, "rb" );
if( cqm_test )
{
mod->param.i_cqm_preset = X264_CQM_CUSTOM;
mod->param.psz_cqm_file = cqm;
fclose( cqm_test );
}
else
{
mp_msg( MSGT_MENCODER, MSGL_ERR, "x264: CQM file failed to open.\n" );
return 0;
}
}
}
if( (parse_cqm(cqm4iy, mod->param.cqm_4iy, 16, mod, "4iy") < 0) ||
(parse_cqm(cqm4ic, mod->param.cqm_4ic, 16, mod, "4ic") < 0) ||
(parse_cqm(cqm4py, mod->param.cqm_4py, 16, mod, "4py") < 0) ||
(parse_cqm(cqm4pc, mod->param.cqm_4pc, 16, mod, "4pc") < 0) ||
(parse_cqm(cqm8iy, mod->param.cqm_8iy, 64, mod, "8iy") < 0) ||
(parse_cqm(cqm8py, mod->param.cqm_8py, 64, mod, "8py") < 0) )
return 0;
switch(pass) {
case 0:
mod->param.rc.b_stat_write = 0;
mod->param.rc.b_stat_read = 0;
break;
case 1:
/* Adjust or disable some flags to gain speed in the first pass */
if(turbo == 1)
{
mod->param.i_frame_reference = ( frame_ref + 1 ) >> 1;
mod->param.analyse.i_subpel_refine = max( min( 3, subq - 1 ), 1 );
mod->param.analyse.inter &= ( ~X264_ANALYSE_PSUB8x8 );
mod->param.analyse.inter &= ( ~X264_ANALYSE_BSUB16x16 );
}
else if(turbo == 2)
{
mod->param.i_frame_reference = 1;
mod->param.analyse.i_subpel_refine = 1;
mod->param.analyse.i_me_method = X264_ME_DIA;
mod->param.analyse.inter = 0;
mod->param.analyse.b_transform_8x8 = 0;
mod->param.analyse.b_weighted_bipred = 0;
}
mod->param.rc.b_stat_write = 1;
mod->param.rc.b_stat_read = 0;
break;
case 2:
mod->param.rc.b_stat_write = 0;
mod->param.rc.b_stat_read = 1;
break;
case 3:
mod->param.rc.b_stat_write = 1;
mod->param.rc.b_stat_read = 1;
break;
}
if(me_method >= 3)
mod->param.analyse.i_me_range = me_range;
switch(outfmt) {
case IMGFMT_I420:
mod->param.i_csp = X264_CSP_I420;
mod->mux->bih->biSizeImage = width * height * 3;
break;
case IMGFMT_YV12:
mod->param.i_csp = X264_CSP_YV12;
mod->mux->bih->biSizeImage = width * height * 3;
break;
case IMGFMT_422P:
mod->param.i_csp = X264_CSP_I422;
mod->mux->bih->biSizeImage = width * height * 3;
break;
case IMGFMT_444P:
mod->param.i_csp = X264_CSP_I444;
mod->mux->bih->biSizeImage = width * height * 3;
break;
case IMGFMT_YVYU:
mod->param.i_csp = X264_CSP_YUYV;
mod->mux->bih->biSizeImage = width * height * 3;
break;
case IMGFMT_RGB:
mod->param.i_csp = X264_CSP_RGB;
mod->mux->bih->biSizeImage = width * height * 3;
break;
case IMGFMT_BGR:
mod->param.i_csp = X264_CSP_BGR;
mod->mux->bih->biSizeImage = width * height * 3;
break;
case IMGFMT_BGR32:
mod->param.i_csp = X264_CSP_BGRA;
mod->mux->bih->biSizeImage = width * height * 4;
break;
default:
mp_msg(MSGT_MENCODER, MSGL_ERR, "Wrong colorspace.\n");
return 0;
}
mod->x264 = x264_encoder_open(&mod->param);
if(!mod->x264) {
mp_msg(MSGT_MENCODER, MSGL_ERR, "x264_encoder_open failed.\n");
return 0;
}
return 1;
}
static int control(struct vf_instance_s* vf, int request, void *data)
{
switch(request){
case VFCTRL_FLUSH_FRAMES:
if(bframe)
while(encode_frame(vf, NULL) > 0);
return CONTROL_TRUE;
default:
return CONTROL_UNKNOWN;
}
}
static int query_format(struct vf_instance_s* vf, unsigned int fmt)
{
switch(fmt) {
case IMGFMT_I420:
return (VFCAP_CSP_SUPPORTED|VFCAP_CSP_SUPPORTED_BY_HW);
case IMGFMT_YV12:
case IMGFMT_422P:
case IMGFMT_444P:
case IMGFMT_YVYU:
case IMGFMT_RGB:
case IMGFMT_BGR:
case IMGFMT_BGR32:
/* These colorspaces are supported, but they'll just have
* to be converted to I420 internally */
return 0; /* VFCAP_CSP_SUPPORTED */
}
return 0;
}
static int put_image(struct vf_instance_s *vf, mp_image_t *mpi)
{
h264_module_t *mod=(h264_module_t*)vf->priv;
int i;
memset(&mod->pic, 0, sizeof(x264_picture_t));
mod->pic.img.i_csp=mod->param.i_csp;
mod->pic.img.i_plane=3;
for(i=0; i<4; i++) {
mod->pic.img.plane[i] = mpi->planes[i];
mod->pic.img.i_stride[i] = mpi->stride[i];
}
mod->pic.i_type = X264_TYPE_AUTO;
return encode_frame(vf, &mod->pic) >= 0;
}
static int encode_frame(struct vf_instance_s *vf, x264_picture_t *pic_in)
{
h264_module_t *mod=(h264_module_t*)vf->priv;
x264_picture_t pic_out;
x264_nal_t *nal;
int i_nal;
int i_size = 0;
int i;
if(x264_encoder_encode(mod->x264, &nal, &i_nal, pic_in, &pic_out) < 0) {
mp_msg(MSGT_MENCODER, MSGL_ERR, "x264_encoder_encode failed\n");
return -1;
}
for(i=0; i < i_nal; i++) {
int i_data = mod->mux->buffer_size - i_size;
i_size += x264_nal_encode(mod->mux->buffer + i_size, &i_data, 1, &nal[i]);
}
if(i_size>0) {
int keyframe = (pic_out.i_type == X264_TYPE_IDR) ||
(pic_out.i_type == X264_TYPE_I
&& frame_ref == 1 && !bframe);
muxer_write_chunk(mod->mux, i_size, keyframe?0x10:0);
}
return i_size;
}
static void uninit(struct vf_instance_s *vf)
{
h264_module_t *mod=(h264_module_t*)vf->priv;
x264_encoder_close(mod->x264);
}
static int vf_open(vf_instance_t *vf, char *args) {
h264_module_t *mod;
vf->config = config;
vf->default_caps = VFCAP_CONSTANT;
vf->control = control;
vf->query_format = query_format;
vf->put_image = put_image;
vf->uninit = uninit;
vf->priv = malloc(sizeof(h264_module_t));
mod=(h264_module_t*)vf->priv;
mod->mux = (muxer_stream_t*)args;
mod->mux->bih = malloc(sizeof(BITMAPINFOHEADER));
memset(mod->mux->bih, 0, sizeof(BITMAPINFOHEADER));
mod->mux->bih->biSize = sizeof(BITMAPINFOHEADER);
mod->mux->bih->biPlanes = 1;
mod->mux->bih->biBitCount = 24;
mod->mux->bih->biCompression = mmioFOURCC('h', '2', '6', '4');
return 1;
}
vf_info_t ve_info_x264 = {
"H.264 encoder",
"x264",
"Bernhard Rosenkraenzer <bero@arklinux.org>",
"(C) 2004 LINUX4MEDIA GmbH; (C) 2004 Ark Linux",
vf_open
};
#endif
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