mpv/libmenu/vf_menu.c

252 lines
6.6 KiB
C

#include "../config.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "../mp_msg.h"
#include "../libmpcodecs/img_format.h"
#include "../libmpcodecs/mp_image.h"
#include "../libmpcodecs/vf.h"
#include "../libvo/fastmemcpy.h"
#include "../libvo/video_out.h"
#include "../input/input.h"
#include "../m_struct.h"
#include "menu.h"
extern vo_functions_t* video_out;
static struct vf_priv_s* st_priv = NULL;
static mp_image_t* pause_mpi = NULL;
static int go2pause = 0;
struct vf_priv_s {
menu_t* root;
menu_t* current;
};
static int put_image(struct vf_instance_s* vf, mp_image_t *mpi);
static mp_image_t* alloc_mpi(int w, int h, uint32_t fmt) {
mp_image_t* mpi = new_mp_image(w,h);
mp_image_setfmt(mpi,fmt);
// IF09 - allocate space for 4. plane delta info - unused
if (mpi->imgfmt == IMGFMT_IF09)
{
mpi->planes[0]=memalign(64, mpi->bpp*mpi->width*(mpi->height+2)/8+
mpi->chroma_width*mpi->chroma_height);
/* delta table, just for fun ;) */
mpi->planes[3]=mpi->planes[0]+2*(mpi->chroma_width*mpi->chroma_height);
}
else
mpi->planes[0]=memalign(64, mpi->bpp*mpi->width*(mpi->height+2)/8);
if(mpi->flags&MP_IMGFLAG_PLANAR){
// YV12/I420/YVU9/IF09. feel free to add other planar formats here...
if(!mpi->stride[0]) mpi->stride[0]=mpi->width;
if(!mpi->stride[1]) mpi->stride[1]=mpi->stride[2]=mpi->chroma_width;
if(mpi->flags&MP_IMGFLAG_SWAPPED){
// I420/IYUV (Y,U,V)
mpi->planes[1]=mpi->planes[0]+mpi->width*mpi->height;
mpi->planes[2]=mpi->planes[1]+mpi->chroma_width*mpi->chroma_height;
} else {
// YV12,YVU9,IF09 (Y,V,U)
mpi->planes[2]=mpi->planes[0]+mpi->width*mpi->height;
mpi->planes[1]=mpi->planes[2]+mpi->chroma_width*mpi->chroma_height;
}
} else {
if(!mpi->stride[0]) mpi->stride[0]=mpi->width*mpi->bpp/8;
}
mpi->flags|=MP_IMGFLAG_ALLOCATED;
return mpi;
}
void vf_menu_pause_update(struct vf_instance_s* vf) {
if(pause_mpi) {
put_image(vf,pause_mpi);
// Don't draw the osd atm
//vf->control(vf,VFCTRL_DRAW_OSD,NULL);
video_out->flip_page();
}
}
static int cmd_filter(mp_cmd_t* cmd, int paused, struct vf_priv_s * priv) {
switch(cmd->id) {
case MP_CMD_PAUSE :
if(!paused && !go2pause) { // Initial pause cmd -> wait the next put_image
go2pause = 1;
return 1;
}
if(go2pause == 2) // Msg resent by put_image after saving the image
go2pause = 0;
break;
case MP_CMD_MENU : { // Convert txt cmd from the users into libmenu stuff
char* arg = cmd->args[0].v.s;
if(!priv->current->show)
priv->current->show = 1;
else if(strcmp(arg,"up") == 0)
menu_read_cmd(priv->current,MENU_CMD_UP);
else if(strcmp(arg,"down") == 0)
menu_read_cmd(priv->current,MENU_CMD_DOWN);
else if(strcmp(arg,"ok") == 0)
menu_read_cmd(priv->current,MENU_CMD_OK);
else if(strcmp(arg,"cancel") == 0)
menu_read_cmd(priv->current,MENU_CMD_CANCEL);
else if(strcmp(arg,"hide") == 0)
priv->current->show = 0;
else
printf("Unknow menu command: '%s'\n",arg);
return 1;
}
case MP_CMD_SET_MENU : {
char* menu = cmd->args[0].v.s;
menu_t* l = priv->current;
priv->current = menu_open(menu);
if(!priv->current) {
printf("Failed to open menu '%s'\n",menu);
priv->current = l;
priv->current->show = 0;
} else {
priv->current->show = 1;
priv->current->parent = l;
}
return 1;
}
}
return 0;
}
static void get_image(struct vf_instance_s* vf, mp_image_t *mpi){
mp_image_t *dmpi;
if(mpi->type == MP_IMGTYPE_TEMP && (!(mpi->flags&MP_IMGFLAG_PRESERVE)) ) {
dmpi = vf_get_image(vf->next,mpi->imgfmt,mpi->type, mpi->flags, mpi->w, mpi->h);
memcpy(mpi->planes,dmpi->planes,MP_MAX_PLANES*sizeof(unsigned char*));
memcpy(mpi->stride,dmpi->stride,MP_MAX_PLANES*sizeof(unsigned int));
mpi->flags|=MP_IMGFLAG_DIRECT;
mpi->priv=(void*)dmpi;
return;
}
}
static void key_cb(int code) {
menu_read_key(st_priv->current,code);
}
inline static void copy_mpi(mp_image_t *dmpi, mp_image_t *mpi) {
if(mpi->flags&MP_IMGFLAG_PLANAR){
memcpy_pic(dmpi->planes[0],mpi->planes[0], mpi->w, mpi->h,
dmpi->stride[0],mpi->stride[0]);
memcpy_pic(dmpi->planes[1],mpi->planes[1], mpi->chroma_width, mpi->chroma_height,
dmpi->stride[1],mpi->stride[1]);
memcpy_pic(dmpi->planes[2], mpi->planes[2], mpi->chroma_width, mpi->chroma_height,
dmpi->stride[2],mpi->stride[2]);
} else {
memcpy_pic(dmpi->planes[0],mpi->planes[0],
mpi->w*(dmpi->bpp/8), mpi->h,
dmpi->stride[0],mpi->stride[0]);
}
}
static int put_image(struct vf_instance_s* vf, mp_image_t *mpi){
mp_image_t *dmpi = NULL;
// Close all menu who requested it
while(vf->priv->current->cl && vf->priv->current != vf->priv->root) {
menu_t* m = vf->priv->current;
vf->priv->current = m->parent ? m->parent : vf->priv->root;
menu_close(m);
}
// Step 1 : save the picture
while(go2pause == 1) {
static char delay = 0; // Hack : wait the 2 frame to be sure to show the right picture
delay ^= 1; // after a seek
if(!delay) break;
if(pause_mpi && (mpi->w != pause_mpi->w || mpi->h != pause_mpi->h ||
mpi->imgfmt != pause_mpi->imgfmt)) {
free_mp_image(pause_mpi);
pause_mpi = NULL;
}
if(!pause_mpi)
pause_mpi = alloc_mpi(mpi->w,mpi->h,mpi->imgfmt);
copy_mpi(pause_mpi,mpi);
mp_input_queue_cmd(mp_input_parse_cmd("pause"));
go2pause = 2;
break;
}
// Grab // Ungrab the keys
if(!mp_input_key_cb && vf->priv->current->show)
mp_input_key_cb = key_cb;
if(mp_input_key_cb && !vf->priv->current->show)
mp_input_key_cb = NULL;
if(mpi->flags&MP_IMGFLAG_DIRECT)
dmpi = mpi->priv;
else {
dmpi = vf_get_image(vf->next,mpi->imgfmt,
MP_IMGTYPE_TEMP, MP_IMGFLAG_ACCEPT_STRIDE,
mpi->w,mpi->h);
copy_mpi(dmpi,mpi);
}
menu_draw(vf->priv->current,dmpi);
return vf_next_put_image(vf,dmpi);
}
static void uninit(vf_instance_t *vf) {
vf->priv=NULL;
if(pause_mpi) {
free_mp_image(pause_mpi);
pause_mpi = NULL;
}
}
static int open(vf_instance_t *vf, char* args){
if(!st_priv) {
st_priv = calloc(1,sizeof(struct vf_priv_s));
st_priv->root = st_priv->current = menu_open(args);
if(!st_priv->current) {
free(st_priv);
st_priv = NULL;
return 0;
}
mp_input_add_cmd_filter((mp_input_cmd_filter)cmd_filter,st_priv);
}
vf->put_image = put_image;
vf->get_image = get_image;
vf->uninit=uninit;
vf->priv=st_priv;
go2pause=0;
return 1;
}
vf_info_t vf_info_menu = {
"Internal filter for libmenu",
"menu",
"Albeu",
"",
open
};