mirror of https://github.com/mpv-player/mpv
285 lines
9.6 KiB
C
285 lines
9.6 KiB
C
/*
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* This file is part of MPlayer.
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*
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* MPlayer is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* MPlayer is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with MPlayer; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <stdbool.h>
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#include "config.h"
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#include "mp_msg.h"
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#include "mp_image.h"
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#include "vf.h"
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#include "libvo/video_out.h"
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#include "sub/ass_mp.h"
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#include "sub/sub.h"
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//===========================================================================//
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extern float sub_delay;
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struct vf_priv_s {
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struct vo *vo;
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#ifdef CONFIG_ASS
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ASS_Renderer *renderer_realaspect;
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ASS_Renderer *renderer_vsfilter;
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bool prev_visibility;
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double scale_ratio;
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#endif
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};
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#define video_out (vf->priv->vo)
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static int query_format(struct vf_instance *vf, unsigned int fmt); /* forward declaration */
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static void draw_slice(struct vf_instance *vf, unsigned char** src, int* stride, int w,int h, int x, int y);
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static int config(struct vf_instance *vf,
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int width, int height, int d_width, int d_height,
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unsigned int flags, unsigned int outfmt){
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if ((width <= 0) || (height <= 0) || (d_width <= 0) || (d_height <= 0))
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{
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mp_msg(MSGT_CPLAYER, MSGL_ERR, "VO: invalid dimensions!\n");
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return 0;
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}
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const vo_info_t *info = video_out->driver->info;
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mp_msg(MSGT_CPLAYER,MSGL_INFO,"VO: [%s] %dx%d => %dx%d %s %s%s%s%s\n",info->short_name,
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width, height,
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d_width, d_height,
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vo_format_name(outfmt),
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(flags&VOFLAG_FULLSCREEN)?" [fs]":"",
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(flags&VOFLAG_MODESWITCHING)?" [vm]":"",
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(flags&VOFLAG_SWSCALE)?" [zoom]":"",
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(flags&VOFLAG_FLIPPING)?" [flip]":"");
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mp_msg(MSGT_CPLAYER,MSGL_V,"VO: Description: %s\n",info->name);
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mp_msg(MSGT_CPLAYER,MSGL_V,"VO: Author: %s\n", info->author);
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if(info->comment && strlen(info->comment) > 0)
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mp_msg(MSGT_CPLAYER,MSGL_V,"VO: Comment: %s\n", info->comment);
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// save vo's stride capability for the wanted colorspace:
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vf->default_caps=query_format(vf,outfmt);
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vf->draw_slice = (vf->default_caps & VOCAP_NOSLICES) ? NULL : draw_slice;
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if (vo_config(video_out, width, height, d_width, d_height, flags, "MPlayer", outfmt))
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return 0;
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#ifdef CONFIG_ASS
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vf->priv->scale_ratio = (double) d_width / d_height * height / width;
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if (vf->priv->renderer_realaspect) {
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mp_ass_configure(vf->priv->renderer_realaspect, width, height,
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vf->default_caps & VFCAP_EOSD_UNSCALED);
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mp_ass_configure(vf->priv->renderer_vsfilter, width, height,
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vf->default_caps & VFCAP_EOSD_UNSCALED);
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}
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#endif
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return 1;
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}
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static int control(struct vf_instance *vf, int request, void* data)
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{
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switch(request){
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case VFCTRL_GET_DEINTERLACE:
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{
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if(!video_out) return CONTROL_FALSE; // vo not configured?
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return vo_control(video_out, VOCTRL_GET_DEINTERLACE, data) == VO_TRUE;
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}
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case VFCTRL_SET_DEINTERLACE:
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{
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if(!video_out) return CONTROL_FALSE; // vo not configured?
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return vo_control(video_out, VOCTRL_SET_DEINTERLACE, data) == VO_TRUE;
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}
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case VFCTRL_GET_YUV_COLORSPACE:
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return vo_control(video_out, VOCTRL_GET_YUV_COLORSPACE, data) == true;
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case VFCTRL_SET_YUV_COLORSPACE:
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return vo_control(video_out, VOCTRL_SET_YUV_COLORSPACE, data) == true;
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case VFCTRL_DRAW_OSD:
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if(!video_out->config_ok) return CONTROL_FALSE; // vo not configured?
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vo_draw_osd(video_out, data);
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return CONTROL_TRUE;
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case VFCTRL_REDRAW_OSD:
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return vo_control(video_out, VOCTRL_REDRAW_OSD, data) == true;
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case VFCTRL_SET_EQUALIZER:
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{
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vf_equalizer_t *eq=data;
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if(!video_out->config_ok) return CONTROL_FALSE; // vo not configured?
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struct voctrl_set_equalizer_args param = {eq->item, eq->value};
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return vo_control(video_out, VOCTRL_SET_EQUALIZER, ¶m) == VO_TRUE;
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}
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case VFCTRL_GET_EQUALIZER:
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{
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vf_equalizer_t *eq=data;
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if(!video_out->config_ok) return CONTROL_FALSE; // vo not configured?
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struct voctrl_get_equalizer_args param = {eq->item, &eq->value};
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return vo_control(video_out, VOCTRL_GET_EQUALIZER, ¶m) == VO_TRUE;
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}
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#ifdef CONFIG_ASS
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case VFCTRL_INIT_EOSD:
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{
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vf->priv->renderer_realaspect = ass_renderer_init(data);
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if (!vf->priv->renderer_realaspect)
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return CONTROL_FALSE;
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vf->priv->renderer_vsfilter = ass_renderer_init(data);
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if (!vf->priv->renderer_vsfilter) {
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ass_renderer_done(vf->priv->renderer_realaspect);
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return CONTROL_FALSE;
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}
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mp_ass_configure_fonts(vf->priv->renderer_realaspect);
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mp_ass_configure_fonts(vf->priv->renderer_vsfilter);
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vf->priv->prev_visibility = false;
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return CONTROL_TRUE;
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}
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case VFCTRL_DRAW_EOSD:
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{
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struct osd_state *osd = data;
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mp_eosd_images_t images = {NULL, 2};
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double pts = video_out->next_pts;
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ASS_Renderer *renderer;
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double scale;
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if (osd->vsfilter_aspect) {
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renderer = vf->priv->renderer_vsfilter;
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scale = vf->priv->scale_ratio;
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} else {
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renderer = vf->priv->renderer_realaspect;
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scale = 1;
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}
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if (!video_out->config_ok || !renderer)
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return CONTROL_FALSE;
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if (osd->ass_track_changed)
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vf->priv->prev_visibility = false;
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osd->ass_track_changed = false;
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if (sub_visibility && osd->ass_track && (pts != MP_NOPTS_VALUE)) {
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struct mp_eosd_res res = {0};
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if (vo_control(video_out, VOCTRL_GET_EOSD_RES, &res) == VO_TRUE) {
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ass_set_frame_size(renderer, res.w, res.h);
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ass_set_margins(renderer, res.mt, res.mb, res.ml, res.mr);
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ass_set_aspect_ratio(renderer, scale, 1);
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}
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images.imgs = mp_ass_render_frame(renderer,
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osd->ass_track,
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(pts+sub_delay) * 1000 + .5,
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&images.changed);
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if (!vf->priv->prev_visibility)
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images.changed = 2;
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vf->priv->prev_visibility = true;
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} else
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vf->priv->prev_visibility = false;
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return vo_control(video_out, VOCTRL_DRAW_EOSD, &images) == VO_TRUE;
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}
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#endif
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}
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return CONTROL_UNKNOWN;
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}
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static int query_format(struct vf_instance *vf, unsigned int fmt){
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int flags = vo_control(video_out, VOCTRL_QUERY_FORMAT, &fmt);
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// draw_slice() accepts stride, draw_frame() doesn't:
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if(flags)
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if(fmt==IMGFMT_YV12 || fmt==IMGFMT_I420 || fmt==IMGFMT_IYUV)
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flags|=VFCAP_ACCEPT_STRIDE;
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return flags;
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}
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static void get_image(struct vf_instance *vf,
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mp_image_t *mpi){
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if (!video_out->config_ok)
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return;
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// GET_IMAGE is required for hardware-accelerated formats
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if(vo_directrendering ||
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IMGFMT_IS_HWACCEL(mpi->imgfmt))
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vo_control(video_out, VOCTRL_GET_IMAGE, mpi);
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}
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static int put_image(struct vf_instance *vf,
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mp_image_t *mpi, double pts){
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if(!video_out->config_ok) return 0; // vo not configured?
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// first check, maybe the vo/vf plugin implements draw_image using mpi:
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if (vo_draw_image(video_out, mpi, pts) >= 0)
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return 1;
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// nope, fallback to old draw_frame/draw_slice:
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if(!(mpi->flags&(MP_IMGFLAG_DIRECT|MP_IMGFLAG_DRAW_CALLBACK))){
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// blit frame:
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// if(mpi->flags&MP_IMGFLAG_PLANAR)
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if(vf->default_caps&VFCAP_ACCEPT_STRIDE)
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vo_draw_slice(video_out, mpi->planes,mpi->stride,mpi->w,mpi->h,mpi->x,mpi->y);
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else
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vo_draw_frame(video_out, mpi->planes);
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}
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return 1;
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}
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static void start_slice(struct vf_instance *vf,
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mp_image_t *mpi) {
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if(!video_out->config_ok) return; // vo not configured?
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vo_control(video_out, VOCTRL_START_SLICE,mpi);
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}
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static void draw_slice(struct vf_instance *vf,
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unsigned char** src, int* stride, int w,int h, int x, int y){
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if(!video_out->config_ok) return; // vo not configured?
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vo_draw_slice(video_out, src,stride,w,h,x,y);
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}
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static void uninit(struct vf_instance *vf)
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{
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if (vf->priv) {
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/* Allow VO (which may live on to work with another instance of vf_vo)
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* to get rid of numbered-mpi references that will now be invalid. */
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vo_seek_reset(video_out);
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#ifdef CONFIG_ASS
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if (vf->priv->renderer_realaspect) {
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ass_renderer_done(vf->priv->renderer_realaspect);
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ass_renderer_done(vf->priv->renderer_vsfilter);
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}
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#endif
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free(vf->priv);
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}
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}
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//===========================================================================//
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static int vf_open(vf_instance_t *vf, char *args){
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vf->config=config;
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vf->control=control;
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vf->query_format=query_format;
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vf->get_image=get_image;
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vf->put_image=put_image;
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vf->draw_slice=draw_slice;
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vf->start_slice=start_slice;
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vf->uninit=uninit;
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vf->priv=calloc(1, sizeof(struct vf_priv_s));
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vf->priv->vo = (struct vo *)args;
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if(!video_out) return 0; // no vo ?
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return 1;
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}
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const vf_info_t vf_info_vo = {
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"libvo wrapper",
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"vo",
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"A'rpi",
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"for internal use",
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vf_open,
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NULL
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};
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//===========================================================================//
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