Adding upstream version 0.37.0.upstream/0.37.0

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 314 insertions, 0 deletions

diff --git a/video/out/vo_caca.c b/video/out/vo_caca.c
new file mode 100644
index 0000000..0625de0
--- /dev/null
+++ b/video/out/vo_caca.c
@@ -0,0 +1,314 @@
+/*
+ * 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 mpv.
+ *
+ * mpv 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.
+ *
+ * mpv 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 mpv.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#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 "input/keycodes.h"
+#include "input/input.h"
+#include "common/msg.h"
+#include "input/input.h"
+
+#include "config.h"
+#if !HAVE_GPL
+#error GPL only
+#endif
+
+struct priv {
+    caca_canvas_t  *canvas;
+    caca_display_t *display;
+    caca_dither_t  *dither;
+    uint8_t        *dither_buffer;
+    const char     *dither_antialias;
+    const char     *dither_charset;
+    const char     *dither_color;
+    const char     *dither_algo;
+
+    /* image infos */
+    int image_format;
+    int image_width;
+    int image_height;
+
+    int screen_w, screen_h;
+};
+
+/* We want 24bpp always for now */
+static const unsigned int bpp   = 24;
+static const unsigned int depth = 3;
+static const unsigned int rmask = 0xff0000;
+static const unsigned int gmask = 0x00ff00;
+static const unsigned int bmask = 0x0000ff;
+static const unsigned int amask = 0;
+
+static int resize(struct vo *vo)
+{
+    struct priv *priv = vo->priv;
+    priv->screen_w = caca_get_canvas_width(priv->canvas);
+    priv->screen_h = caca_get_canvas_height(priv->canvas);
+
+    caca_free_dither(priv->dither);
+    talloc_free(priv->dither_buffer);
+
+    priv->dither = caca_create_dither(bpp, priv->image_width, priv->image_height,
+                                depth * priv->image_width,
+                                rmask, gmask, bmask, amask);
+    if (priv->dither == NULL) {
+        MP_FATAL(vo, "caca_create_dither failed!\n");
+        return -1;
+    }
+    priv->dither_buffer =
+        talloc_array(NULL, uint8_t, depth * priv->image_width * priv->image_height);
+
+    /* Default libcaca features */
+    caca_set_dither_antialias(priv->dither, priv->dither_antialias);
+    caca_set_dither_charset(priv->dither, priv->dither_charset);
+    caca_set_dither_color(priv->dither, priv->dither_color);
+    caca_set_dither_algorithm(priv->dither, priv->dither_algo);
+
+    return 0;
+}
+
+static int reconfig(struct vo *vo, struct mp_image_params *params)
+{
+    struct priv *priv = vo->priv;
+    priv->image_height = params->h;
+    priv->image_width  = params->w;
+    priv->image_format = params->imgfmt;
+
+    return resize(vo);
+}
+
+static void draw_frame(struct vo *vo, struct vo_frame *frame)
+{
+    struct priv *priv = vo->priv;
+    struct mp_image *mpi = frame->current;
+    if (!mpi)
+        return;
+    memcpy_pic(priv->dither_buffer, mpi->planes[0], priv->image_width * depth, priv->image_height,
+               priv->image_width * depth, mpi->stride[0]);
+    caca_dither_bitmap(priv->canvas, 0, 0, priv->screen_w, priv->screen_h, priv->dither, priv->dither_buffer);
+}
+
+static void flip_page(struct vo *vo)
+{
+    struct priv *priv = vo->priv;
+    caca_refresh_display(priv->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)
+{
+    struct priv *priv = vo->priv;
+
+    caca_event_t cev;
+    while (caca_get_event(priv->display, CACA_EVENT_ANY, &cev, 0)) {
+
+        switch (cev.type) {
+        case CACA_EVENT_RESIZE:
+            caca_refresh_display(priv->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:
+            mp_input_set_mouse_pos(vo->input_ctx, cev.data.mouse.x, cev.data.mouse.y);
+            break;
+        case CACA_EVENT_MOUSE_PRESS:
+            mp_input_put_key(vo->input_ctx,
+                    (MP_MBTN_BASE + cev.data.mouse.button - 1) | MP_KEY_STATE_DOWN);
+            break;
+        case CACA_EVENT_MOUSE_RELEASE:
+            mp_input_put_key(vo->input_ctx,
+                    (MP_MBTN_BASE + 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(priv->dither),
+                             &priv->dither_algo, &msg_name);
+                caca_set_dither_algorithm(priv->dither, priv->dither_algo);
+                break;
+
+            case 'a':
+            case 'A':
+                /* Toggle antialiasing method */
+                set_next_str(caca_get_dither_antialias_list(priv->dither),
+                             &priv->dither_antialias, &msg_name);
+                caca_set_dither_antialias(priv->dither, priv->dither_antialias);
+                break;
+
+            case 'h':
+            case 'H':
+                /* Toggle charset method */
+                set_next_str(caca_get_dither_charset_list(priv->dither),
+                             &priv->dither_charset, &msg_name);
+                caca_set_dither_charset(priv->dither, priv->dither_charset);
+                break;
+
+            case 'c':
+            case 'C':
+                /* Toggle color method */
+                set_next_str(caca_get_dither_color_list(priv->dither),
+                             &priv->dither_color, &msg_name);
+                caca_set_dither_color(priv->dither, priv->dither_color);
+                break;
+
+            default:
+                if (key <= 255)
+                    mp_input_put_key(vo->input_ctx, key);
+                break;
+            }
+        }
+        }
+    }
+}
+
+static void uninit(struct vo *vo)
+{
+    struct priv *priv = vo->priv;
+    caca_free_dither(priv->dither);
+    priv->dither = NULL;
+    talloc_free(priv->dither_buffer);
+    priv->dither_buffer = NULL;
+    caca_free_display(priv->display);
+    caca_free_canvas(priv->canvas);
+}
+
+static int preinit(struct vo *vo)
+{
+    struct priv *priv = vo->priv;
+
+    priv->dither_antialias = "default";
+    priv->dither_charset   = "default";
+    priv->dither_color     = "default";
+    priv->dither_algo      = "none";
+
+    priv->canvas = caca_create_canvas(0, 0);
+    if (priv->canvas == NULL) {
+        MP_ERR(vo, "failed to create canvas\n");
+        return ENOSYS;
+    }
+
+    priv->display = caca_create_display(priv->canvas);
+
+    if (priv->display == NULL) {
+        MP_ERR(vo, "failed to create display\n");
+        caca_free_canvas(priv->canvas);
+        return ENOSYS;
+    }
+
+    return 0;
+}
+
+static int query_format(struct vo *vo, int format)
+{
+    return format == IMGFMT_BGR24;
+}
+
+static int control(struct vo *vo, uint32_t request, void *data)
+{
+    struct priv *priv = vo->priv;
+    switch (request) {
+    case VOCTRL_CHECK_EVENTS:
+        check_events(vo);
+        return VO_TRUE;
+    case VOCTRL_UPDATE_WINDOW_TITLE:
+        caca_set_display_title(priv->display, (char *)data);
+        return VO_TRUE;
+    }
+    return VO_NOTIMPL;
+}
+
+const struct vo_driver video_out_caca = {
+    .name = "caca",
+    .description = "libcaca",
+    .preinit = preinit,
+    .query_format = query_format,
+    .reconfig = reconfig,
+    .control = control,
+    .draw_frame = draw_frame,
+    .flip_page = flip_page,
+    .uninit = uninit,
+    .priv_size = sizeof(struct priv),
+};