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mpv/video/out/vo_caca.c
wm4 68e331851a options: remove --(no-)mouseinput option 
I have no idea why it exists, as it's redundant to --(no-)mouse-movements.
2013-09-08 03:03:58 +02:00

303 lines
8.8 KiB
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/*
* video output driver for libcaca
*
* by Pigeon <pigeon@pigeond.net>
*
* Some functions/codes/ideas are from x11 and aalib vo
*
* TODO: support draw_alpha?
*
* 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 <sys/stat.h>
#include <unistd.h>
#include <string.h>
#include <time.h>
#include <errno.h>
#include <assert.h>
#include <caca.h>
#include "config.h"
#include "vo.h"
#include "video/mp_image.h"
#include "video/vfcap.h"
#include "video/memcpy_pic.h"
#include "mpvcore/input/keycodes.h"
#include "mpvcore/input/input.h"
#include "mpvcore/mp_msg.h"
#include "mpvcore/input/input.h"
/* caca stuff */
static caca_canvas_t *canvas;
static caca_display_t *display;
static caca_dither_t *dither = NULL;
static uint8_t *dither_buffer = NULL;
static const char *dither_antialias = "default";
static const char *dither_charset = "default";
static const char *dither_color = "default";
static const char *dither_algo = "none";
/* image infos */
static int image_format;
static int image_width;
static int image_height;
static int screen_w, screen_h;
/* We want 24bpp always for now */
static unsigned int bpp = 24;
static unsigned int depth = 3;
static unsigned int rmask = 0xff0000;
static unsigned int gmask = 0x00ff00;
static unsigned int bmask = 0x0000ff;
static unsigned int amask = 0;
static int resize(struct vo *vo)
{
screen_w = caca_get_canvas_width(canvas);
screen_h = caca_get_canvas_height(canvas);
caca_free_dither(dither);
talloc_free(dither_buffer);
dither = caca_create_dither(bpp, image_width, image_height,
depth * image_width,
rmask, gmask, bmask, amask);
if (dither == NULL) {
MP_FATAL(vo, "caca_create_dither failed!\n");
return ENOSYS;
}
dither_buffer =
talloc_array(NULL, uint8_t, depth * image_width * image_height);
/* Default libcaca features */
caca_set_dither_antialias(dither, dither_antialias);
caca_set_dither_charset(dither, dither_charset);
caca_set_dither_color(dither, dither_color);
caca_set_dither_algorithm(dither, dither_algo);
return 0;
}
static int config(struct vo *vo, uint32_t width, uint32_t height,
uint32_t d_width, uint32_t d_height, uint32_t flags,
uint32_t format)
{
image_height = height;
image_width = width;
image_format = format;
return resize(vo);
}
static void draw_image(struct vo *vo, mp_image_t *mpi)
{
memcpy_pic(dither_buffer, mpi->planes[0], image_width * depth, image_height,
image_width * depth, mpi->stride[0]);
caca_dither_bitmap(canvas, 0, 0, screen_w, screen_h, dither, dither_buffer);
}
static void flip_page(struct vo *vo)
{
caca_refresh_display(display);
}
static void set_next_str(const char * const *list, const char **str,
const char **msg)
{
int ind;
for (ind = 0; list[ind]; ind += 2) {
if (strcmp(list[ind], *str) == 0) {
if (list[ind + 2] == NULL)
ind = -2;
*str = list[ind + 2];
*msg = list[ind + 3];
return;
}
}
*str = list[0];
*msg = list[1];
}
static const struct mp_keymap keysym_map[] = {
{CACA_KEY_RETURN, MP_KEY_ENTER}, {CACA_KEY_ESCAPE, MP_KEY_ESC},
{CACA_KEY_UP, MP_KEY_UP}, {CACA_KEY_DOWN, MP_KEY_DOWN},
{CACA_KEY_LEFT, MP_KEY_LEFT}, {CACA_KEY_RIGHT, MP_KEY_RIGHT},
{CACA_KEY_PAGEUP, MP_KEY_PAGE_UP}, {CACA_KEY_PAGEDOWN, MP_KEY_PAGE_DOWN},
{CACA_KEY_HOME, MP_KEY_HOME}, {CACA_KEY_END, MP_KEY_END},
{CACA_KEY_INSERT, MP_KEY_INSERT}, {CACA_KEY_DELETE, MP_KEY_DELETE},
{CACA_KEY_BACKSPACE, MP_KEY_BACKSPACE}, {CACA_KEY_TAB, MP_KEY_TAB},
{CACA_KEY_PAUSE, MP_KEY_PAUSE},
{CACA_KEY_F1, MP_KEY_F+1}, {CACA_KEY_F2, MP_KEY_F+2},
{CACA_KEY_F3, MP_KEY_F+3}, {CACA_KEY_F4, MP_KEY_F+4},
{CACA_KEY_F5, MP_KEY_F+5}, {CACA_KEY_F6, MP_KEY_F+6},
{CACA_KEY_F7, MP_KEY_F+7}, {CACA_KEY_F8, MP_KEY_F+8},
{CACA_KEY_F9, MP_KEY_F+9}, {CACA_KEY_F10, MP_KEY_F+10},
{CACA_KEY_F11, MP_KEY_F+11}, {CACA_KEY_F12, MP_KEY_F+12},
{CACA_KEY_F13, MP_KEY_F+13}, {CACA_KEY_F14, MP_KEY_F+14},
{CACA_KEY_F15, MP_KEY_F+15},
{0, 0}
};
static void check_events(struct vo *vo)
{
caca_event_t cev;
while (caca_get_event(display, CACA_EVENT_ANY, &cev, 0)) {
switch (cev.type) {
case CACA_EVENT_RESIZE:
caca_refresh_display(display);
resize(vo);
break;
case CACA_EVENT_QUIT:
mp_input_put_key(vo->input_ctx, MP_KEY_CLOSE_WIN);
break;
case CACA_EVENT_MOUSE_MOTION:
vo_mouse_movement(vo, cev.data.mouse.x, cev.data.mouse.y);
break;
case CACA_EVENT_MOUSE_PRESS:
if (vo->opts->enable_mouse_movements)
mp_input_put_key(vo->input_ctx,
(MP_MOUSE_BTN0 + cev.data.mouse.button - 1) | MP_KEY_STATE_DOWN);
break;
case CACA_EVENT_MOUSE_RELEASE:
if (vo->opts->enable_mouse_movements)
mp_input_put_key(vo->input_ctx,
(MP_MOUSE_BTN0 + cev.data.mouse.button - 1) | MP_KEY_STATE_UP);
break;
case CACA_EVENT_KEY_PRESS:
{
int key = cev.data.key.ch;
int mpkey = lookup_keymap_table(keysym_map, key);
const char *msg_name;
if (mpkey)
mp_input_put_key(vo->input_ctx, mpkey);
else
switch (key) {
case 'd':
case 'D':
/* Toggle dithering algorithm */
set_next_str(caca_get_dither_algorithm_list(dither),
&dither_algo, &msg_name);
caca_set_dither_algorithm(dither, dither_algo);
break;
case 'a':
case 'A':
/* Toggle antialiasing method */
set_next_str(caca_get_dither_antialias_list(dither),
&dither_antialias, &msg_name);
caca_set_dither_antialias(dither, dither_antialias);
break;
case 'h':
case 'H':
/* Toggle charset method */
set_next_str(caca_get_dither_charset_list(dither),
&dither_charset, &msg_name);
caca_set_dither_charset(dither, dither_charset);
break;
case 'c':
case 'C':
/* Toggle color method */
set_next_str(caca_get_dither_color_list(dither),
&dither_color, &msg_name);
caca_set_dither_color(dither, dither_color);
break;
default:
if (key <= 255)
mp_input_put_key(vo->input_ctx, key);
break;
}
}
}
}
}
static void uninit(struct vo *vo)
{
caca_free_dither(dither);
dither = NULL;
talloc_free(dither_buffer);
dither_buffer = NULL;
caca_free_display(display);
caca_free_canvas(canvas);
}
static int preinit(struct vo *vo)
{
canvas = caca_create_canvas(0, 0);
if (canvas == NULL) {
MP_ERR(vo, "failed to create canvas\n");
return ENOSYS;
}
display = caca_create_display(canvas);
if (display == NULL) {
MP_ERR(vo, "failed to create display\n");
caca_free_canvas(canvas);
return ENOSYS;
}
caca_set_display_title(display, "mpv");
return 0;
}
static int query_format(struct vo *vo, uint32_t format)
{
if (format == IMGFMT_BGR24)
return VFCAP_CSP_SUPPORTED;
return 0;
}
static int control(struct vo *vo, uint32_t request, void *data)
{
switch (request) {
case VOCTRL_CHECK_EVENTS:
check_events(vo);
return VO_TRUE;
}
return VO_NOTIMPL;
}
const struct vo_driver video_out_caca = {
.info = &(const vo_info_t) {
"libcaca",
"caca",
"Pigeon <pigeon@pigeond.net>",
""
},
.preinit = preinit,
.query_format = query_format,
.config = config,
.control = control,
.draw_image = draw_image,
.flip_page = flip_page,
.uninit = uninit,
};
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