mpv/video/filter/vf_stereo3d.c

477 lines
18 KiB
C

/*
* Copyright (C) 2010 Gordon Schmidt <gordon.schmidt <at> s2000.tu-chemnitz.de>
*
* This file is part of MPlayer.
*
* MPlayer is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* MPlayer 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with MPlayer; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
//==includes==//
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "config.h"
#include "core/mp_msg.h"
#include "core/options.h"
#include "video/img_format.h"
#include "video/mp_image.h"
#include "vf.h"
#include "core/m_option.h"
#include "libavutil/common.h"
#include "video/memcpy_pic.h"
//==types==//
typedef enum stereo_code {
ANAGLYPH_RC_GRAY, //anaglyph red/cyan gray
ANAGLYPH_RC_HALF, //anaglyph red/cyan half colored
ANAGLYPH_RC_COLOR, //anaglyph red/cyan colored
ANAGLYPH_RC_DUBOIS, //anaglyph red/cyan dubois
ANAGLYPH_GM_GRAY, //anaglyph green/magenta gray
ANAGLYPH_GM_HALF, //anaglyph green/magenta half colored
ANAGLYPH_GM_COLOR, //anaglyph green/magenta colored
ANAGLYPH_GM_DUBOIS, //anaglyph green/magenta dubois
ANAGLYPH_YB_GRAY, //anaglyph yellow/blue gray
ANAGLYPH_YB_HALF, //anaglyph yellow/blue half colored
ANAGLYPH_YB_COLOR, //anaglyph yellow/blue colored
ANAGLYPH_YB_DUBOIS, //anaglyph yellow/blue dubois
MONO_L, //mono output for debugging (left eye only)
MONO_R, //mono output for debugging (right eye only)
SIDE_BY_SIDE_LR, //side by side parallel (left eye left, right eye right)
SIDE_BY_SIDE_RL, //side by side crosseye (right eye left, left eye right)
SIDE_BY_SIDE_2_LR, //side by side parallel with half width resolution
SIDE_BY_SIDE_2_RL, //side by side crosseye with half width resolution
ABOVE_BELOW_LR, //above-below (left eye above, right eye below)
ABOVE_BELOW_RL, //above-below (right eye above, left eye below)
ABOVE_BELOW_2_LR, //above-below with half height resolution
ABOVE_BELOW_2_RL, //above-below with half height resolution
INTERLEAVE_ROWS_LR, //row-interleave (left eye has top row)
INTERLEAVE_ROWS_RL, //row-interleave (right eye has top row)
STEREO_CODE_COUNT //no value set - TODO: needs autodetection
} stereo_code;
typedef struct component {
int fmt;
unsigned int width;
unsigned int height;
unsigned int off_left;
unsigned int off_right;
unsigned int row_left;
unsigned int row_right;
} component;
//==global variables==//
static const int ana_coeff[][3][6] = {
[ANAGLYPH_RC_GRAY] =
{{19595, 38470, 7471, 0, 0, 0},
{ 0, 0, 0, 19595, 38470, 7471},
{ 0, 0, 0, 19595, 38470, 7471}},
[ANAGLYPH_RC_HALF] =
{{19595, 38470, 7471, 0, 0, 0},
{ 0, 0, 0, 0, 65536, 0},
{ 0, 0, 0, 0, 0, 65536}},
[ANAGLYPH_RC_COLOR] =
{{65536, 0, 0, 0, 0, 0},
{ 0, 0, 0, 0, 65536, 0},
{ 0, 0, 0, 0, 0, 65536}},
[ANAGLYPH_RC_DUBOIS] =
{{29891, 32800, 11559, -2849, -5763, -102},
{-2627, -2479, -1033, 24804, 48080, -1209},
{ -997, -1350, -358, -4729, -7403, 80373}},
[ANAGLYPH_GM_GRAY] =
{{ 0, 0, 0, 19595, 38470, 7471},
{19595, 38470, 7471, 0, 0, 0},
{ 0, 0, 0, 19595, 38470, 7471}},
[ANAGLYPH_GM_HALF] =
{{ 0, 0, 0, 65536, 0, 0},
{19595, 38470, 7471, 0, 0, 0},
{ 0, 0, 0, 0, 0, 65536}},
[ANAGLYPH_GM_COLOR] =
{{ 0, 0, 0, 65536, 0, 0},
{ 0, 65536, 0, 0, 0, 0},
{ 0, 0, 0, 0, 0, 65536}},
[ANAGLYPH_GM_DUBOIS] =
{{-4063,-10354, -2556, 34669, 46203, 1573},
{18612, 43778, 9372, -1049, -983, -4260},
{ -983, -1769, 1376, 590, 4915, 61407}},
[ANAGLYPH_YB_GRAY] =
{{ 0, 0, 0, 19595, 38470, 7471},
{ 0, 0, 0, 19595, 38470, 7471},
{19595, 38470, 7471, 0, 0, 0}},
[ANAGLYPH_YB_HALF] =
{{ 0, 0, 0, 65536, 0, 0},
{ 0, 0, 0, 0, 65536, 0},
{19595, 38470, 7471, 0, 0, 0}},
[ANAGLYPH_YB_COLOR] =
{{ 0, 0, 0, 65536, 0, 0},
{ 0, 0, 0, 0, 65536, 0},
{ 0, 0, 65536, 0, 0, 0}},
[ANAGLYPH_YB_DUBOIS] =
{{65535,-12650,18451, -987, -7590, -1049},
{-1604, 56032, 4196, 370, 3826, -1049},
{-2345,-10676, 1358, 5801, 11416, 56217}},
};
struct vf_priv_s {
component in;
component out;
int ana_matrix[3][6];
unsigned int width;
unsigned int height;
unsigned int row_step;
} const vf_priv_default = {
{SIDE_BY_SIDE_LR},
{ANAGLYPH_RC_DUBOIS}
};
//==functions==//
static inline uint8_t ana_convert(int coeff[6], uint8_t left[3], uint8_t right[3])
{
int sum;
sum = coeff[0] * left[0] + coeff[3] * right[0]; //red in
sum += coeff[1] * left[1] + coeff[4] * right[1]; //green in
sum += coeff[2] * left[2] + coeff[5] * right[2]; //blue in
return av_clip_uint8(sum >> 16);
}
static int config(struct vf_instance *vf, int width, int height, int d_width,
int d_height, unsigned int flags, unsigned int outfmt)
{
if ((width & 1) || (height & 1)) {
mp_msg(MSGT_VFILTER, MSGL_WARN, "[stereo3d] invalid height or width\n");
return 0;
}
//default input values
vf->priv->width = width;
vf->priv->height = height;
vf->priv->row_step = 1;
vf->priv->in.width = width;
vf->priv->in.height = height;
vf->priv->in.off_left = 0;
vf->priv->in.off_right = 0;
vf->priv->in.row_left = 0;
vf->priv->in.row_right = 0;
//check input format
switch (vf->priv->in.fmt) {
case SIDE_BY_SIDE_2_LR:
d_width *= 2;
case SIDE_BY_SIDE_LR:
vf->priv->width = width / 2;
vf->priv->in.off_right = vf->priv->width * 3;
break;
case SIDE_BY_SIDE_2_RL:
d_width *= 2;
case SIDE_BY_SIDE_RL:
vf->priv->width = width / 2;
vf->priv->in.off_left = vf->priv->width * 3;
break;
case ABOVE_BELOW_2_LR:
d_height *= 2;
case ABOVE_BELOW_LR:
vf->priv->height = height / 2;
vf->priv->in.row_right = vf->priv->height;
break;
case ABOVE_BELOW_2_RL:
d_height *= 2;
case ABOVE_BELOW_RL:
vf->priv->height = height / 2;
vf->priv->in.row_left = vf->priv->height;
break;
default:
mp_msg(MSGT_VFILTER, MSGL_WARN,
"[stereo3d] stereo format of input is not supported\n");
return 0;
break;
}
//default output values
vf->priv->out.width = vf->priv->width;
vf->priv->out.height = vf->priv->height;
vf->priv->out.off_left = 0;
vf->priv->out.off_right = 0;
vf->priv->out.row_left = 0;
vf->priv->out.row_right = 0;
//check output format
switch (vf->priv->out.fmt) {
case ANAGLYPH_RC_GRAY:
case ANAGLYPH_RC_HALF:
case ANAGLYPH_RC_COLOR:
case ANAGLYPH_RC_DUBOIS:
case ANAGLYPH_GM_GRAY:
case ANAGLYPH_GM_HALF:
case ANAGLYPH_GM_COLOR:
case ANAGLYPH_GM_DUBOIS:
case ANAGLYPH_YB_GRAY:
case ANAGLYPH_YB_HALF:
case ANAGLYPH_YB_COLOR:
case ANAGLYPH_YB_DUBOIS:
memcpy(vf->priv->ana_matrix, ana_coeff[vf->priv->out.fmt],
sizeof(vf->priv->ana_matrix));
break;
case SIDE_BY_SIDE_2_LR:
d_width /= 2;
case SIDE_BY_SIDE_LR:
vf->priv->out.width = vf->priv->width * 2;
vf->priv->out.off_right = vf->priv->width * 3;
break;
case SIDE_BY_SIDE_2_RL:
d_width /= 2;
case SIDE_BY_SIDE_RL:
vf->priv->out.width = vf->priv->width * 2;
vf->priv->out.off_left = vf->priv->width * 3;
break;
case ABOVE_BELOW_2_LR:
d_height /= 2;
case ABOVE_BELOW_LR:
vf->priv->out.height = vf->priv->height * 2;
vf->priv->out.row_right = vf->priv->height;
break;
case ABOVE_BELOW_2_RL:
d_height /= 2;
case ABOVE_BELOW_RL:
vf->priv->out.height = vf->priv->height * 2;
vf->priv->out.row_left = vf->priv->height;
break;
case INTERLEAVE_ROWS_LR:
vf->priv->row_step = 2;
vf->priv->height = vf->priv->height / 2;
vf->priv->out.off_right = vf->priv->width * 3;
vf->priv->in.off_right += vf->priv->in.width * 3;
break;
case INTERLEAVE_ROWS_RL:
vf->priv->row_step = 2;
vf->priv->height = vf->priv->height / 2;
vf->priv->out.off_left = vf->priv->width * 3;
vf->priv->in.off_left += vf->priv->in.width * 3;
break;
case MONO_R:
//same as MONO_L only needs switching of input offsets
vf->priv->in.off_left = vf->priv->in.off_right;
vf->priv->in.row_left = vf->priv->in.row_right;
//nobreak;
case MONO_L:
//use default settings
break;
default:
mp_msg(MSGT_VFILTER, MSGL_WARN,
"[stereo3d] stereo format of output is not supported\n");
return 0;
break;
}
vf_rescale_dsize(&d_width, &d_height, width, height,
vf->priv->out.width, vf->priv->out.height);
return vf_next_config(vf, vf->priv->out.width, vf->priv->out.height,
d_width, d_height, flags, outfmt);
}
static struct mp_image *filter(struct vf_instance *vf, struct mp_image *mpi)
{
if (vf->priv->in.fmt == vf->priv->out.fmt) { //nothing to do
return mpi;
} else {
int out_off_left, out_off_right;
int in_off_left = vf->priv->in.row_left * mpi->stride[0] +
vf->priv->in.off_left;
int in_off_right = vf->priv->in.row_right * mpi->stride[0] +
vf->priv->in.off_right;
struct mp_image *dmpi = vf_alloc_out_image(vf);
mp_image_copy_attributes(dmpi, mpi);
out_off_left = vf->priv->out.row_left * dmpi->stride[0] +
vf->priv->out.off_left;
out_off_right = vf->priv->out.row_right * dmpi->stride[0] +
vf->priv->out.off_right;
switch (vf->priv->out.fmt) {
case SIDE_BY_SIDE_LR:
case SIDE_BY_SIDE_RL:
case SIDE_BY_SIDE_2_LR:
case SIDE_BY_SIDE_2_RL:
case ABOVE_BELOW_LR:
case ABOVE_BELOW_RL:
case ABOVE_BELOW_2_LR:
case ABOVE_BELOW_2_RL:
case INTERLEAVE_ROWS_LR:
case INTERLEAVE_ROWS_RL:
memcpy_pic2(dmpi->planes[0] + out_off_left,
mpi->planes[0] + in_off_left,
3 * vf->priv->width,
vf->priv->height,
dmpi->stride[0] * vf->priv->row_step,
mpi->stride[0] * vf->priv->row_step,
vf->priv->row_step != 1);
memcpy_pic2(dmpi->planes[0] + out_off_right,
mpi->planes[0] + in_off_right,
3 * vf->priv->width,
vf->priv->height,
dmpi->stride[0] * vf->priv->row_step,
mpi->stride[0] * vf->priv->row_step,
vf->priv->row_step != 1);
break;
case MONO_L:
case MONO_R:
memcpy_pic(dmpi->planes[0],
mpi->planes[0] + in_off_left,
3 * vf->priv->width,
vf->priv->height,
dmpi->stride[0],
mpi->stride[0]);
break;
case ANAGLYPH_RC_GRAY:
case ANAGLYPH_RC_HALF:
case ANAGLYPH_RC_COLOR:
case ANAGLYPH_RC_DUBOIS:
case ANAGLYPH_GM_GRAY:
case ANAGLYPH_GM_HALF:
case ANAGLYPH_GM_COLOR:
case ANAGLYPH_GM_DUBOIS:
case ANAGLYPH_YB_GRAY:
case ANAGLYPH_YB_HALF:
case ANAGLYPH_YB_COLOR:
case ANAGLYPH_YB_DUBOIS: {
int x,y,il,ir,o;
unsigned char *source = mpi->planes[0];
unsigned char *dest = dmpi->planes[0];
unsigned int out_width = vf->priv->out.width;
int *ana_matrix[3];
for(int i = 0; i < 3; i++)
ana_matrix[i] = vf->priv->ana_matrix[i];
for (y = 0; y < vf->priv->out.height; y++) {
o = dmpi->stride[0] * y;
il = in_off_left + y * mpi->stride[0];
ir = in_off_right + y * mpi->stride[0];
for (x = 0; x < out_width; x++) {
dest[o ] = ana_convert(
ana_matrix[0], source + il, source + ir); //red out
dest[o + 1] = ana_convert(
ana_matrix[1], source + il, source + ir); //green out
dest[o + 2] = ana_convert(
ana_matrix[2], source + il, source + ir); //blue out
il += 3;
ir += 3;
o += 3;
}
}
break;
}
default:
mp_msg(MSGT_VFILTER, MSGL_WARN,
"[stereo3d] stereo format of output is not supported\n");
return NULL;
break;
}
talloc_free(mpi);
return dmpi;
}
}
static int query_format(struct vf_instance *vf, unsigned int fmt)
{
switch (fmt)
case IMGFMT_RGB24:
return vf_next_query_format(vf, fmt);
return 0;
}
static int vf_open(vf_instance_t *vf, char *args)
{
vf->config = config;
vf->filter = filter;
vf->query_format = query_format;
return 1;
}
const struct m_opt_choice_alternatives stereo_code_names[] = {
{"arcg", ANAGLYPH_RC_GRAY},
{"anaglyph_red_cyan_gray", ANAGLYPH_RC_GRAY},
{"arch", ANAGLYPH_RC_HALF},
{"anaglyph_red_cyan_half_color", ANAGLYPH_RC_HALF},
{"arcc", ANAGLYPH_RC_COLOR},
{"anaglyph_red_cyan_color", ANAGLYPH_RC_COLOR},
{"arcd", ANAGLYPH_RC_DUBOIS},
{"anaglyph_red_cyan_dubios", ANAGLYPH_RC_DUBOIS},
{"agmg", ANAGLYPH_GM_GRAY},
{"anaglyph_green_magenta_gray", ANAGLYPH_GM_GRAY},
{"agmh", ANAGLYPH_GM_HALF},
{"anaglyph_green_magenta_half_color",ANAGLYPH_GM_HALF},
{"agmc", ANAGLYPH_GM_COLOR},
{"anaglyph_green_magenta_color", ANAGLYPH_GM_COLOR},
{"agmd", ANAGLYPH_GM_DUBOIS},
{"anaglyph_green_magenta_dubois", ANAGLYPH_GM_DUBOIS},
{"aybg", ANAGLYPH_YB_GRAY},
{"anaglyph_yellow_blue_gray", ANAGLYPH_YB_GRAY},
{"aybh", ANAGLYPH_YB_HALF},
{"anaglyph_yellow_blue_half_color", ANAGLYPH_YB_HALF},
{"aybc", ANAGLYPH_YB_COLOR},
{"anaglyph_yellow_blue_color", ANAGLYPH_YB_COLOR},
{"aybd", ANAGLYPH_YB_DUBOIS},
{"anaglyph_yellow_blue_dubois", ANAGLYPH_YB_DUBOIS},
{"ml", MONO_L},
{"mono_left", MONO_L},
{"mr", MONO_R},
{"mono_right", MONO_R},
{"sbsl", SIDE_BY_SIDE_LR},
{"side_by_side_left_first", SIDE_BY_SIDE_LR},
{"sbsr", SIDE_BY_SIDE_RL},
{"side_by_side_right_first", SIDE_BY_SIDE_RL},
{"sbs2l", SIDE_BY_SIDE_2_LR},
{"side_by_side_half_width_left_first", SIDE_BY_SIDE_2_LR},
{"sbs2r", SIDE_BY_SIDE_2_RL},
{"side_by_side_half_width_right_first",SIDE_BY_SIDE_2_RL},
{"abl", ABOVE_BELOW_LR},
{"above_below_left_first", ABOVE_BELOW_LR},
{"abr", ABOVE_BELOW_RL},
{"above_below_right_first", ABOVE_BELOW_RL},
{"ab2l", ABOVE_BELOW_2_LR},
{"above_below_half_height_left_first", ABOVE_BELOW_2_LR},
{"ab2r", ABOVE_BELOW_2_RL},
{"above_below_half_height_right_first",ABOVE_BELOW_2_RL},
{"irl", INTERLEAVE_ROWS_LR},
{"interleave_rows_left_first", INTERLEAVE_ROWS_LR},
{"irr", INTERLEAVE_ROWS_RL},
{"interleave_rows_right_first", INTERLEAVE_ROWS_RL},
{ NULL, 0}
};
#define OPT_BASE_STRUCT struct vf_priv_s
static const m_option_t vf_opts_fields[] = {
OPT_GENERAL(int, "in", in.fmt, 0, .type = CONF_TYPE_CHOICE,
.priv = (void *)stereo_code_names),
OPT_GENERAL(int, "out", out.fmt, 0, .type = CONF_TYPE_CHOICE,
.priv = (void *)stereo_code_names),
{0}
};
//==info struct==//
const vf_info_t vf_info_stereo3d = {
"stereoscopic 3d view",
"stereo3d",
"Gordon Schmidt",
"view stereoscopic videos",
vf_open,
.priv_size = sizeof(struct vf_priv_s),
.priv_defaults = &vf_priv_default,
.options = vf_opts_fields,
};