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mpv/libmpcodecs/vf_vo.c

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/*
* 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.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdbool.h>
#include "config.h"
#include "mp_msg.h"
#include "options.h"
#include "mp_image.h"
#include "vf.h"
#include "libvo/video_out.h"
#include "sub/ass_mp.h"
#include "sub/sub.h"
extern float sub_delay;
struct vf_priv_s {
struct vo *vo;
#ifdef CONFIG_ASS
ASS_Renderer *renderer;
bool prev_visibility;
double scale_ratio;
#endif
};
#define video_out (vf->priv->vo)
static int query_format(struct vf_instance *vf, unsigned int fmt);
static void draw_slice(struct vf_instance *vf, unsigned char **src,
int *stride, int w, int h, int x, int y);
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 <= 0) || (height <= 0) || (d_width <= 0) || (d_height <= 0)) {
mp_msg(MSGT_CPLAYER, MSGL_ERR, "VO: invalid dimensions!\n");
return 0;
}
const vo_info_t *info = video_out->driver->info;
mp_msg(MSGT_CPLAYER, MSGL_INFO, "VO: [%s] %dx%d => %dx%d %s %s%s%s%s\n",
info->short_name,
width, height,
d_width, d_height,
vo_format_name(outfmt),
(flags & VOFLAG_FULLSCREEN) ? " [fs]" : "",
(flags & VOFLAG_MODESWITCHING) ? " [vm]" : "",
(flags & VOFLAG_SWSCALE) ? " [zoom]" : "",
(flags & VOFLAG_FLIPPING) ? " [flip]" : "");
mp_msg(MSGT_CPLAYER, MSGL_V, "VO: Description: %s\n", info->name);
mp_msg(MSGT_CPLAYER, MSGL_V, "VO: Author: %s\n", info->author);
if (info->comment && strlen(info->comment) > 0)
mp_msg(MSGT_CPLAYER, MSGL_V, "VO: Comment: %s\n", info->comment);
// save vo's stride capability for the wanted colorspace:
vf->default_caps = query_format(vf, outfmt);
vf->draw_slice = (vf->default_caps & VOCAP_NOSLICES) ? NULL : draw_slice;
if (vo_config(video_out, width, height, d_width, d_height, flags, outfmt))
return 0;
#ifdef CONFIG_ASS
vf->priv->scale_ratio = (double) d_width / d_height * height / width;
if (vf->priv->renderer) {
mp_ass_configure(vf->priv->renderer, vf->opts, width, height,
vf->default_caps & VFCAP_EOSD_UNSCALED);
}
// force EOSD change detection reset
vf->priv->prev_visibility = false;
#endif
return 1;
}
static int control(struct vf_instance *vf, int request, void *data)
{
switch (request) {
case VFCTRL_GET_DEINTERLACE:
if (!video_out)
return CONTROL_FALSE; // vo not configured?
return vo_control(video_out, VOCTRL_GET_DEINTERLACE, data) == VO_TRUE;
case VFCTRL_SET_DEINTERLACE:
if (!video_out)
return CONTROL_FALSE; // vo not configured?
return vo_control(video_out, VOCTRL_SET_DEINTERLACE, data) == VO_TRUE;
case VFCTRL_GET_YUV_COLORSPACE:
return vo_control(video_out, VOCTRL_GET_YUV_COLORSPACE, data) == true;
case VFCTRL_SET_YUV_COLORSPACE:
return vo_control(video_out, VOCTRL_SET_YUV_COLORSPACE, data) == true;
case VFCTRL_DRAW_OSD:
if (!video_out->config_ok)
return CONTROL_FALSE; // vo not configured?
vo_draw_osd(video_out, data);
return CONTROL_TRUE;
case VFCTRL_SET_EQUALIZER: {
vf_equalizer_t *eq = data;
if (!video_out->config_ok)
return CONTROL_FALSE; // vo not configured?
struct voctrl_set_equalizer_args param = {
eq->item, eq->value
};
return vo_control(video_out, VOCTRL_SET_EQUALIZER, &param) == VO_TRUE;
}
case VFCTRL_GET_EQUALIZER: {
vf_equalizer_t *eq = data;
if (!video_out->config_ok)
return CONTROL_FALSE; // vo not configured?
struct voctrl_get_equalizer_args param = {
eq->item, &eq->value
};
return vo_control(video_out, VOCTRL_GET_EQUALIZER, &param) == VO_TRUE;
}
#ifdef CONFIG_ASS
case VFCTRL_INIT_EOSD:
{
vf->priv->renderer = ass_renderer_init(data);
if (!vf->priv->renderer)
return CONTROL_FALSE;
mp_ass_configure_fonts(vf->priv->renderer);
vf->priv->prev_visibility = false;
return CONTROL_TRUE;
}
case VFCTRL_DRAW_EOSD: {
struct osd_state *osd = data;
mp_eosd_images_t images = {NULL, 2};
ASS_Renderer *renderer = vf->priv->renderer;
double scale;
if (osd->vsfilter_aspect && vf->opts->ass_vsfilter_aspect_compat) {
scale = vf->priv->scale_ratio;
} else {
scale = 1;
}
if (!video_out->config_ok || !renderer)
return CONTROL_FALSE;
if (osd->ass_track_changed)
vf->priv->prev_visibility = false;
osd->ass_track_changed = false;
if (sub_visibility && osd->ass_track && (osd->pts != MP_NOPTS_VALUE)) {
struct mp_eosd_res res = { 0 };
if (vo_control(video_out, VOCTRL_GET_EOSD_RES, &res) == VO_TRUE) {
ass_set_frame_size(renderer, res.w, res.h);
ass_set_margins(renderer, res.mt, res.mb, res.ml, res.mr);
ass_set_aspect_ratio(renderer, scale, 1);
}
if (osd->ass_force_reload)
mp_ass_reload_options(vf->priv->renderer, vf->opts);
images.imgs = ass_render_frame(renderer, osd->ass_track,
(osd->pts + sub_delay) * 1000 + .5,
&images.changed);
if (!vf->priv->prev_visibility || osd->ass_force_reload)
images.changed = 2;
osd->ass_force_reload = false;
vf->priv->prev_visibility = true;
} else
vf->priv->prev_visibility = false;
return vo_control(video_out, VOCTRL_DRAW_EOSD, &images) == VO_TRUE;
}
#endif
}
return CONTROL_UNKNOWN;
}
static int query_format(struct vf_instance *vf, unsigned int fmt)
{
int flags = vo_control(video_out, VOCTRL_QUERY_FORMAT, &fmt);
// draw_slice() accepts stride, draw_frame() doesn't:
if (flags)
if (fmt == IMGFMT_YV12 || fmt == IMGFMT_I420 || fmt == IMGFMT_IYUV)
flags |= VFCAP_ACCEPT_STRIDE;
return flags;
}
static void get_image(struct vf_instance *vf,
mp_image_t *mpi)
{
if (!video_out->config_ok)
return;
// GET_IMAGE is required for hardware-accelerated formats
if (vo_directrendering || IMGFMT_IS_HWACCEL(mpi->imgfmt))
vo_control(video_out, VOCTRL_GET_IMAGE, mpi);
}
static int put_image(struct vf_instance *vf, mp_image_t *mpi, double pts)
{
if (!video_out->config_ok)
return 0;
// first check, maybe the vo/vf plugin implements draw_image using mpi:
if (vo_draw_image(video_out, mpi, pts) >= 0)
return 1;
// nope, fallback to old draw_frame/draw_slice:
if (!(mpi->flags & (MP_IMGFLAG_DIRECT | MP_IMGFLAG_DRAW_CALLBACK))) {
// blit frame:
if (vf->default_caps & VFCAP_ACCEPT_STRIDE)
vo_draw_slice(video_out, mpi->planes, mpi->stride, mpi->w, mpi->h,
0, 0);
else
vo_draw_frame(video_out, mpi->planes);
}
return 1;
}
static void start_slice(struct vf_instance *vf, mp_image_t *mpi)
{
if (!video_out->config_ok)
return;
vo_control(video_out, VOCTRL_START_SLICE, mpi);
}
static void draw_slice(struct vf_instance *vf, unsigned char **src,
int *stride, int w, int h, int x, int y)
{
if (!video_out->config_ok)
return;
vo_draw_slice(video_out, src, stride, w, h, x, y);
}
static void uninit(struct vf_instance *vf)
{
if (vf->priv) {
/* Allow VO (which may live on to work with another instance of vf_vo)
* to get rid of numbered-mpi references that will now be invalid. */
vo_seek_reset(video_out);
#ifdef CONFIG_ASS
if (vf->priv->renderer)
ass_renderer_done(vf->priv->renderer);
#endif
free(vf->priv);
}
}
static int vf_open(vf_instance_t *vf, char *args)
{
vf->config = config;
vf->control = control;
vf->query_format = query_format;
vf->get_image = get_image;
vf->put_image = put_image;
vf->draw_slice = draw_slice;
vf->start_slice = start_slice;
vf->uninit = uninit;
vf->priv = calloc(1, sizeof(struct vf_priv_s));
vf->priv->vo = (struct vo *)args;
if (!video_out)
return 0;
return 1;
}
const vf_info_t vf_info_vo = {
"libvo wrapper",
"vo",
"A'rpi",
"for internal use",
vf_open,
NULL
};
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