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https://github.com/mpv-player/mpv.git
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14541ae258
This should actually cover all of them, if you take into account that some unchanged GPL source files include header files with such checks. Also this was done already for the libaf derived code. This is only for "safety" and to avoid misunderstandings.
311 lines
9.2 KiB
C
311 lines
9.2 KiB
C
/*
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* video output driver for libcaca
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*
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* by Pigeon <pigeon@pigeond.net>
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*
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* Some functions/codes/ideas are from x11 and aalib vo
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*
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* TODO: support draw_alpha?
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*
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* This file is part of mpv.
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*
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* mpv 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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* mpv 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 mpv. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <sys/stat.h>
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#include <unistd.h>
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#include <string.h>
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#include <time.h>
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#include <errno.h>
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#include <assert.h>
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#include <caca.h>
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#include "config.h"
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#include "vo.h"
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#include "video/mp_image.h"
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#include "input/keycodes.h"
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#include "input/input.h"
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#include "common/msg.h"
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#include "input/input.h"
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#include "config.h"
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#if !HAVE_GPL
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#error GPL only
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#endif
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struct priv {
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caca_canvas_t *canvas;
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caca_display_t *display;
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caca_dither_t *dither;
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uint8_t *dither_buffer;
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const char *dither_antialias;
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const char *dither_charset;
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const char *dither_color;
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const char *dither_algo;
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/* image infos */
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int image_format;
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int image_width;
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int image_height;
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int screen_w, screen_h;
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};
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/* We want 24bpp always for now */
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static const unsigned int bpp = 24;
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static const unsigned int depth = 3;
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static const unsigned int rmask = 0xff0000;
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static const unsigned int gmask = 0x00ff00;
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static const unsigned int bmask = 0x0000ff;
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static const unsigned int amask = 0;
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static int resize(struct vo *vo)
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{
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struct priv *priv = vo->priv;
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priv->screen_w = caca_get_canvas_width(priv->canvas);
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priv->screen_h = caca_get_canvas_height(priv->canvas);
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caca_free_dither(priv->dither);
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talloc_free(priv->dither_buffer);
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priv->dither = caca_create_dither(bpp, priv->image_width, priv->image_height,
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depth * priv->image_width,
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rmask, gmask, bmask, amask);
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if (priv->dither == NULL) {
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MP_FATAL(vo, "caca_create_dither failed!\n");
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return -1;
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}
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priv->dither_buffer =
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talloc_array(NULL, uint8_t, depth * priv->image_width * priv->image_height);
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/* Default libcaca features */
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caca_set_dither_antialias(priv->dither, priv->dither_antialias);
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caca_set_dither_charset(priv->dither, priv->dither_charset);
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caca_set_dither_color(priv->dither, priv->dither_color);
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caca_set_dither_algorithm(priv->dither, priv->dither_algo);
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return 0;
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}
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static int reconfig(struct vo *vo, struct mp_image_params *params)
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{
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struct priv *priv = vo->priv;
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priv->image_height = params->h;
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priv->image_width = params->w;
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priv->image_format = params->imgfmt;
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return resize(vo);
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}
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static void draw_image(struct vo *vo, mp_image_t *mpi)
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{
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struct priv *priv = vo->priv;
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memcpy_pic(priv->dither_buffer, mpi->planes[0], priv->image_width * depth, priv->image_height,
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priv->image_width * depth, mpi->stride[0]);
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caca_dither_bitmap(priv->canvas, 0, 0, priv->screen_w, priv->screen_h, priv->dither, priv->dither_buffer);
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talloc_free(mpi);
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}
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static void flip_page(struct vo *vo)
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{
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struct priv *priv = vo->priv;
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caca_refresh_display(priv->display);
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}
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static void set_next_str(const char * const *list, const char **str,
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const char **msg)
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{
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int ind;
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for (ind = 0; list[ind]; ind += 2) {
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if (strcmp(list[ind], *str) == 0) {
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if (list[ind + 2] == NULL)
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ind = -2;
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*str = list[ind + 2];
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*msg = list[ind + 3];
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return;
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}
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}
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*str = list[0];
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*msg = list[1];
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}
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static const struct mp_keymap keysym_map[] = {
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{CACA_KEY_RETURN, MP_KEY_ENTER}, {CACA_KEY_ESCAPE, MP_KEY_ESC},
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{CACA_KEY_UP, MP_KEY_UP}, {CACA_KEY_DOWN, MP_KEY_DOWN},
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{CACA_KEY_LEFT, MP_KEY_LEFT}, {CACA_KEY_RIGHT, MP_KEY_RIGHT},
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{CACA_KEY_PAGEUP, MP_KEY_PAGE_UP}, {CACA_KEY_PAGEDOWN, MP_KEY_PAGE_DOWN},
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{CACA_KEY_HOME, MP_KEY_HOME}, {CACA_KEY_END, MP_KEY_END},
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{CACA_KEY_INSERT, MP_KEY_INSERT}, {CACA_KEY_DELETE, MP_KEY_DELETE},
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{CACA_KEY_BACKSPACE, MP_KEY_BACKSPACE}, {CACA_KEY_TAB, MP_KEY_TAB},
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{CACA_KEY_PAUSE, MP_KEY_PAUSE},
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{CACA_KEY_F1, MP_KEY_F+1}, {CACA_KEY_F2, MP_KEY_F+2},
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{CACA_KEY_F3, MP_KEY_F+3}, {CACA_KEY_F4, MP_KEY_F+4},
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{CACA_KEY_F5, MP_KEY_F+5}, {CACA_KEY_F6, MP_KEY_F+6},
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{CACA_KEY_F7, MP_KEY_F+7}, {CACA_KEY_F8, MP_KEY_F+8},
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{CACA_KEY_F9, MP_KEY_F+9}, {CACA_KEY_F10, MP_KEY_F+10},
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{CACA_KEY_F11, MP_KEY_F+11}, {CACA_KEY_F12, MP_KEY_F+12},
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{CACA_KEY_F13, MP_KEY_F+13}, {CACA_KEY_F14, MP_KEY_F+14},
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{CACA_KEY_F15, MP_KEY_F+15},
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{0, 0}
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};
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static void check_events(struct vo *vo)
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{
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struct priv *priv = vo->priv;
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caca_event_t cev;
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while (caca_get_event(priv->display, CACA_EVENT_ANY, &cev, 0)) {
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switch (cev.type) {
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case CACA_EVENT_RESIZE:
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caca_refresh_display(priv->display);
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resize(vo);
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break;
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case CACA_EVENT_QUIT:
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mp_input_put_key(vo->input_ctx, MP_KEY_CLOSE_WIN);
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break;
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case CACA_EVENT_MOUSE_MOTION:
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mp_input_set_mouse_pos(vo->input_ctx, cev.data.mouse.x, cev.data.mouse.y);
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break;
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case CACA_EVENT_MOUSE_PRESS:
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mp_input_put_key(vo->input_ctx,
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(MP_MBTN_BASE + cev.data.mouse.button - 1) | MP_KEY_STATE_DOWN);
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break;
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case CACA_EVENT_MOUSE_RELEASE:
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mp_input_put_key(vo->input_ctx,
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(MP_MBTN_BASE + cev.data.mouse.button - 1) | MP_KEY_STATE_UP);
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break;
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case CACA_EVENT_KEY_PRESS:
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{
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int key = cev.data.key.ch;
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int mpkey = lookup_keymap_table(keysym_map, key);
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const char *msg_name;
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if (mpkey)
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mp_input_put_key(vo->input_ctx, mpkey);
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else
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switch (key) {
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case 'd':
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case 'D':
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/* Toggle dithering algorithm */
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set_next_str(caca_get_dither_algorithm_list(priv->dither),
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&priv->dither_algo, &msg_name);
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caca_set_dither_algorithm(priv->dither, priv->dither_algo);
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break;
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case 'a':
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case 'A':
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/* Toggle antialiasing method */
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set_next_str(caca_get_dither_antialias_list(priv->dither),
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&priv->dither_antialias, &msg_name);
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caca_set_dither_antialias(priv->dither, priv->dither_antialias);
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break;
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case 'h':
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case 'H':
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/* Toggle charset method */
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set_next_str(caca_get_dither_charset_list(priv->dither),
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&priv->dither_charset, &msg_name);
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caca_set_dither_charset(priv->dither, priv->dither_charset);
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break;
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case 'c':
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case 'C':
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/* Toggle color method */
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set_next_str(caca_get_dither_color_list(priv->dither),
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&priv->dither_color, &msg_name);
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caca_set_dither_color(priv->dither, priv->dither_color);
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break;
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default:
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if (key <= 255)
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mp_input_put_key(vo->input_ctx, key);
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break;
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}
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}
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}
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}
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}
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static void uninit(struct vo *vo)
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{
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struct priv *priv = vo->priv;
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caca_free_dither(priv->dither);
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priv->dither = NULL;
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talloc_free(priv->dither_buffer);
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priv->dither_buffer = NULL;
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caca_free_display(priv->display);
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caca_free_canvas(priv->canvas);
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}
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static int preinit(struct vo *vo)
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{
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struct priv *priv = vo->priv;
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priv->dither_antialias = "default";
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priv->dither_charset = "default";
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priv->dither_color = "default";
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priv->dither_algo = "none";
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priv->canvas = caca_create_canvas(0, 0);
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if (priv->canvas == NULL) {
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MP_ERR(vo, "failed to create canvas\n");
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return ENOSYS;
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}
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priv->display = caca_create_display(priv->canvas);
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if (priv->display == NULL) {
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MP_ERR(vo, "failed to create display\n");
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caca_free_canvas(priv->canvas);
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return ENOSYS;
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}
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caca_set_display_title(priv->display, "mpv");
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return 0;
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}
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static int query_format(struct vo *vo, int format)
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{
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return format == IMGFMT_BGR24;
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}
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static int control(struct vo *vo, uint32_t request, void *data)
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{
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switch (request) {
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case VOCTRL_CHECK_EVENTS:
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check_events(vo);
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return VO_TRUE;
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}
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return VO_NOTIMPL;
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}
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const struct vo_driver video_out_caca = {
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.name = "caca",
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.description = "libcaca",
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.preinit = preinit,
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.query_format = query_format,
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.reconfig = reconfig,
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.control = control,
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.draw_image = draw_image,
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.flip_page = flip_page,
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.uninit = uninit,
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.priv_size = sizeof(struct priv),
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};
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