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mpv/libmpcodecs/ve_x264.c

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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 iframe = 250;
static int idrframe = 2;
static int scenecut_threshold = 40;
static int bframe = 0;
static int deblock = 1;
static int deblockalpha = 0;
static int deblockbeta = 0;
static int cabac = 1;
static int cabacidc = -1;
static int fullinter = 0;
static float ip_factor = 2.0;
static float pb_factor = 2.0;
static int rc_buffer_size = -1;
static int rc_init_buffer = -1;
static int rc_sens = 4;
static int qp_min = 10;
static int qp_max = 51;
static int qp_step = 1;
static int pass = 0;
static float qcomp = 0.6;
static float qblur = 0.5;
static char *rc_eq = "(tex^qComp)*(avgTex^(1-qComp))";
static int subq = 1;
static int psnr = 0;
static int log_level = 2;
m_option_t x264encopts_conf[] = {
{"bitrate", &bitrate, CONF_TYPE_INT, CONF_RANGE, 0, 24000000, NULL},
{"qp_constant", &qp_constant, CONF_TYPE_INT, CONF_RANGE, 1, 51, NULL},
{"frameref", &frame_ref, CONF_TYPE_INT, CONF_RANGE, 1, 15, NULL},
{"keyint", &iframe, CONF_TYPE_INT, CONF_RANGE, 1, 24000000, NULL},
{"idrint", &idrframe, 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},
{"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},
{"cabacidc", &cabacidc, CONF_TYPE_INT, CONF_RANGE, -1, 2, NULL},
{"fullinter", &fullinter, CONF_TYPE_FLAG, 0, 0, 1, NULL},
{"nofullinter", &fullinter, CONF_TYPE_FLAG, 0, 1, 0, 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},
{"rc_buffer_size", &rc_buffer_size, CONF_TYPE_INT, CONF_RANGE, 0, 24000000, NULL},
{"rc_init_buffer", &rc_init_buffer, CONF_TYPE_INT, CONF_RANGE, 0, 24000000, NULL},
{"rc_sens", &rc_sens, CONF_TYPE_INT, CONF_RANGE, 0, 100, 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, 0, 50, NULL},
{"pass", &pass, CONF_TYPE_INT, CONF_RANGE, 1, 3, NULL},
{"rc_eq", &rc_eq, 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},
{"subq", &subq, CONF_TYPE_INT, CONF_RANGE, 0, 5, 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},
{NULL, NULL, 0, 0, 0, 0, NULL}
};
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_idrframe = idrframe;
mod->param.i_iframe = iframe;
mod->param.i_scenecut_threshold = scenecut_threshold;
mod->param.i_bframe = bframe;
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.i_cabac_init_idc = cabacidc;
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.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;
}
switch(pass) {
case 0:
mod->param.rc.b_stat_write = 0;
mod->param.rc.b_stat_read = 0;
break;
case 1:
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(bitrate > 0) {
if(rc_buffer_size <= 0)
rc_buffer_size = bitrate;
if(rc_init_buffer < 0)
rc_init_buffer = rc_buffer_size/4;
mod->param.rc.b_cbr = 1;
mod->param.rc.i_bitrate = bitrate;
mod->param.rc.i_rc_buffer_size = rc_buffer_size;
mod->param.rc.i_rc_init_buffer = rc_init_buffer;
mod->param.rc.i_rc_sens = rc_sens;
}
if(fullinter)
mod->param.analyse.inter = X264_ANALYSE_I4x4 | X264_ANALYSE_PSUB16x16 | X264_ANALYSE_PSUB8x8;
mod->param.rc.f_ip_factor = ip_factor;
mod->param.rc.f_pb_factor = pb_factor;
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.analyse.b_psnr = psnr;
mod->param.i_log_level = log_level;
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;
}
x264_picture_alloc(&mod->pic, mod->param.i_csp, mod->param.i_width, mod->param.i_height);
return 1;
}
static int control(struct vf_instance_s* vf, int request, void *data)
{
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:
/* 2004/08/05: There seems to be some, but not complete,
support for these colorspaces in X264. Better to stay
on the safe side for now. */
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_nal;
x264_nal_t *nal;
int i;
int i_size = 0;
int csp=mod->pic.img.i_csp;
memset(&mod->pic, 0, sizeof(x264_picture_t));
mod->pic.img.i_csp=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;
if(x264_encoder_encode(mod->x264, &nal, &i_nal, &mod->pic) < 0) {
mp_msg(MSGT_MENCODER, MSGL_ERR, "x264_encoder_encode failed\n");
return 0;
}
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 = (mod->pic.i_type == X264_TYPE_IDR) ||
(mod->pic.i_type == X264_TYPE_I && frame_ref == 1);
muxer_write_chunk(mod->mux, i_size, keyframe?0x10:0);
}
return 1;
}
static void uninit(struct vf_instance_s *vf)
{
// FIXME: flush delayed frames
h264_module_t *mod=(h264_module_t*)vf->priv;
x264_encoder_close(mod->x264);
//x264_picture_clean(&mod->pic);
}
static int vf_open(vf_instance_t *vf, char *args) {
h264_module_t *mod;
vf->config = config;
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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