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-rw-r--r--video/out/vo.c530
1 files changed, 530 insertions, 0 deletions
diff --git a/video/out/vo.c b/video/out/vo.c
new file mode 100644
index 0000000000..571f00da4d
--- /dev/null
+++ b/video/out/vo.c
@@ -0,0 +1,530 @@
+/*
+ * libvo common functions, variables used by many/all drivers.
+ *
+ * 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 <string.h>
+#include <assert.h>
+#include <stdbool.h>
+
+#include <unistd.h>
+//#include <sys/mman.h>
+
+#include "config.h"
+#include "options.h"
+#include "talloc.h"
+#include "bstr.h"
+#include "video_out.h"
+#include "aspect.h"
+#include "geometry.h"
+#include "input/input.h"
+#include "mp_fifo.h"
+#include "m_config.h"
+#include "mp_msg.h"
+#include "libmpcodecs/vfcap.h"
+#include "sub/sub.h"
+
+#include "osdep/shmem.h"
+#ifdef CONFIG_X11
+#include "x11_common.h"
+#endif
+
+int xinerama_screen = -1;
+int xinerama_x;
+int xinerama_y;
+
+int vo_nomouse_input = 0;
+int vo_grabpointer = 1;
+int vo_vsync = 1;
+int vo_fs = 0;
+int vo_fsmode = 0;
+float vo_panscan = 0.0f;
+int vo_refresh_rate=0;
+int vo_keepaspect=1;
+int vo_rootwin=0;
+int vo_border=1;
+int64_t WinID = -1;
+
+int vo_pts=0; // for hw decoding
+float vo_fps=0;
+
+int vo_colorkey = 0x0000ff00; // default colorkey is green
+ // (0xff000000 means that colorkey has been disabled)
+
+//
+// Externally visible list of all vo drivers
+//
+extern struct vo_driver video_out_x11;
+extern struct vo_driver video_out_vdpau;
+extern struct vo_driver video_out_xv;
+extern struct vo_driver video_out_opengl;
+extern struct vo_driver video_out_opengl_hq;
+extern struct vo_driver video_out_opengl_old;
+extern struct vo_driver video_out_null;
+extern struct vo_driver video_out_image;
+extern struct vo_driver video_out_lavc;
+extern struct vo_driver video_out_caca;
+extern struct vo_driver video_out_direct3d;
+extern struct vo_driver video_out_direct3d_shaders;
+extern struct vo_driver video_out_corevideo;
+
+const struct vo_driver *video_out_drivers[] =
+{
+#ifdef CONFIG_DIRECT3D
+ &video_out_direct3d_shaders,
+ &video_out_direct3d,
+#endif
+#ifdef CONFIG_GL_COCOA
+ &video_out_opengl,
+ &video_out_opengl_old,
+#endif
+#ifdef CONFIG_COREVIDEO
+ &video_out_corevideo,
+#endif
+#if CONFIG_VDPAU
+ &video_out_vdpau,
+#endif
+#ifdef CONFIG_XV
+ &video_out_xv,
+#endif
+#ifdef CONFIG_GL
+#if !defined CONFIG_GL_COCOA
+ &video_out_opengl,
+ &video_out_opengl_old,
+#endif
+#endif
+#ifdef CONFIG_X11
+ &video_out_x11,
+#endif
+#ifdef CONFIG_CACA
+ &video_out_caca,
+#endif
+ &video_out_null,
+ // should not be auto-selected
+ &video_out_image,
+#ifdef CONFIG_ENCODING
+ &video_out_lavc,
+#endif
+#ifdef CONFIG_GL
+ &video_out_opengl_hq,
+#endif
+ NULL
+};
+
+
+static int vo_preinit(struct vo *vo, char *arg)
+{
+ if (vo->driver->priv_size) {
+ vo->priv = talloc_zero_size(vo, vo->driver->priv_size);
+ if (vo->driver->priv_defaults)
+ memcpy(vo->priv, vo->driver->priv_defaults, vo->driver->priv_size);
+ }
+ if (vo->driver->options) {
+ struct m_config *cfg = m_config_simple(vo->priv);
+ talloc_steal(vo->priv, cfg);
+ m_config_register_options(cfg, vo->driver->options);
+ char n[50];
+ int l = snprintf(n, sizeof(n), "vo/%s", vo->driver->info->short_name);
+ assert(l < sizeof(n));
+ int r = m_config_parse_suboptions(cfg, n, arg);
+ if (r < 0)
+ return r;
+ }
+ return vo->driver->preinit(vo, arg);
+}
+
+int vo_control(struct vo *vo, uint32_t request, void *data)
+{
+ return vo->driver->control(vo, request, data);
+}
+
+// Return -1 if driver appears not to support a draw_image interface,
+// 0 otherwise (whether the driver actually drew something or not).
+int vo_draw_image(struct vo *vo, struct mp_image *mpi, double pts)
+{
+ if (!vo->config_ok)
+ return 0;
+ if (vo->driver->buffer_frames) {
+ vo->driver->draw_image(vo, mpi, pts);
+ return 0;
+ }
+ vo->frame_loaded = true;
+ vo->next_pts = pts;
+ // Guaranteed to support at least DRAW_IMAGE later
+ if (vo->driver->is_new) {
+ vo->waiting_mpi = mpi;
+ return 0;
+ }
+ if (vo_control(vo, VOCTRL_DRAW_IMAGE, mpi) == VO_NOTIMPL)
+ return -1;
+ return 0;
+}
+
+int vo_redraw_frame(struct vo *vo)
+{
+ if (!vo->config_ok || !vo->hasframe)
+ return -1;
+ if (vo_control(vo, VOCTRL_REDRAW_FRAME, NULL) == true) {
+ vo->redrawing = true;
+ return 0;
+ }
+ return -1;
+}
+
+int vo_get_buffered_frame(struct vo *vo, bool eof)
+{
+ if (!vo->config_ok)
+ return -1;
+ if (vo->frame_loaded)
+ return 0;
+ if (!vo->driver->buffer_frames)
+ return -1;
+ vo->driver->get_buffered_frame(vo, eof);
+ return vo->frame_loaded ? 0 : -1;
+}
+
+void vo_skip_frame(struct vo *vo)
+{
+ vo_control(vo, VOCTRL_SKIPFRAME, NULL);
+ vo->frame_loaded = false;
+}
+
+int vo_draw_slice(struct vo *vo, uint8_t *src[], int stride[], int w, int h, int x, int y)
+{
+ return vo->driver->draw_slice(vo, src, stride, w, h, x, y);
+}
+
+void vo_new_frame_imminent(struct vo *vo)
+{
+ if (!vo->driver->is_new)
+ return;
+ if (vo->driver->buffer_frames)
+ vo_control(vo, VOCTRL_NEWFRAME, NULL);
+ else {
+ vo_control(vo, VOCTRL_DRAW_IMAGE, vo->waiting_mpi);
+ vo->waiting_mpi = NULL;
+ }
+}
+
+void vo_draw_osd(struct vo *vo, struct osd_state *osd)
+{
+ if (vo->config_ok && (vo->default_caps & VFCAP_OSD))
+ vo->driver->draw_osd(vo, osd);
+}
+
+void vo_flip_page(struct vo *vo, unsigned int pts_us, int duration)
+{
+ if (!vo->config_ok)
+ return;
+ if (!vo->redrawing) {
+ vo->frame_loaded = false;
+ vo->next_pts = MP_NOPTS_VALUE;
+ }
+ vo->want_redraw = false;
+ vo->redrawing = false;
+ if (vo->driver->flip_page_timed)
+ vo->driver->flip_page_timed(vo, pts_us, duration);
+ else
+ vo->driver->flip_page(vo);
+ vo->hasframe = true;
+}
+
+void vo_check_events(struct vo *vo)
+{
+ if (!vo->config_ok) {
+ if (vo->registered_fd != -1)
+ mp_input_rm_key_fd(vo->input_ctx, vo->registered_fd);
+ vo->registered_fd = -1;
+ return;
+ }
+ vo->driver->check_events(vo);
+}
+
+void vo_seek_reset(struct vo *vo)
+{
+ vo_control(vo, VOCTRL_RESET, NULL);
+ vo->frame_loaded = false;
+ vo->hasframe = false;
+}
+
+void vo_destroy(struct vo *vo)
+{
+ if (vo->registered_fd != -1)
+ mp_input_rm_key_fd(vo->input_ctx, vo->registered_fd);
+ vo->driver->uninit(vo);
+ talloc_free(vo);
+}
+
+void list_video_out(void)
+{
+ int i = 0;
+ mp_tmsg(MSGT_CPLAYER, MSGL_INFO, "Available video output drivers:\n");
+ mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_VIDEO_OUTPUTS\n");
+ while (video_out_drivers[i]) {
+ const vo_info_t *info = video_out_drivers[i++]->info;
+ mp_msg(MSGT_GLOBAL, MSGL_INFO,"\t%s\t%s\n", info->short_name, info->name);
+ }
+ mp_msg(MSGT_GLOBAL, MSGL_INFO,"\n");
+}
+
+static void replace_legacy_vo_name(bstr *name)
+{
+ bstr new = *name;
+ if (bstr_equals0(*name, "gl"))
+ new = bstr0("opengl");
+ if (bstr_equals0(*name, "gl3"))
+ new = bstr0("opengl-hq");
+ if (!bstr_equals(*name, new)) {
+ mp_tmsg(MSGT_CPLAYER, MSGL_ERR, "VO driver '%.*s' has been replaced "
+ "with '%.*s'!\n", BSTR_P(*name), BSTR_P(new));
+ }
+ *name = new;
+}
+
+struct vo *init_best_video_out(struct MPOpts *opts,
+ struct mp_fifo *key_fifo,
+ struct input_ctx *input_ctx,
+ struct encode_lavc_context *encode_lavc_ctx)
+{
+ char **vo_list = opts->video_driver_list;
+ int i;
+ struct vo *vo = talloc_ptrtype(NULL, vo);
+ struct vo initial_values = {
+ .opts = opts,
+ .key_fifo = key_fifo,
+ .encode_lavc_ctx = encode_lavc_ctx,
+ .input_ctx = input_ctx,
+ .event_fd = -1,
+ .registered_fd = -1,
+ };
+ // first try the preferred drivers, with their optional subdevice param:
+ if (vo_list && vo_list[0])
+ while (vo_list[0][0]) {
+ char *arg = vo_list[0];
+ bstr name = bstr0(arg);
+ char *params = strchr(arg, ':');
+ if (params) {
+ name = bstr_splice(name, 0, params - arg);
+ params++;
+ }
+ replace_legacy_vo_name(&name);
+ for (i = 0; video_out_drivers[i]; i++) {
+ const struct vo_driver *video_driver = video_out_drivers[i];
+ const vo_info_t *info = video_driver->info;
+ if (bstr_equals0(name, info->short_name)) {
+ // name matches, try it
+ *vo = initial_values;
+ vo->driver = video_driver;
+ if (!vo_preinit(vo, params))
+ return vo; // success!
+ talloc_free_children(vo);
+ }
+ }
+ // continue...
+ ++vo_list;
+ if (!(vo_list[0])) {
+ talloc_free(vo);
+ return NULL; // do NOT fallback to others
+ }
+ }
+ // now try the rest...
+ for (i = 0; video_out_drivers[i]; i++) {
+ const struct vo_driver *video_driver = video_out_drivers[i];
+ *vo = initial_values;
+ vo->driver = video_driver;
+ if (!vo_preinit(vo, NULL))
+ return vo; // success!
+ talloc_free_children(vo);
+ }
+ talloc_free(vo);
+ return NULL;
+}
+
+static int event_fd_callback(void *ctx, int fd)
+{
+ struct vo *vo = ctx;
+ vo_check_events(vo);
+ return MP_INPUT_NOTHING;
+}
+
+int vo_config(struct vo *vo, uint32_t width, uint32_t height,
+ uint32_t d_width, uint32_t d_height, uint32_t flags,
+ uint32_t format)
+{
+ struct MPOpts *opts = vo->opts;
+ panscan_init(vo);
+ aspect_save_videores(vo, width, height, d_width, d_height);
+
+ if (vo_control(vo, VOCTRL_UPDATE_SCREENINFO, NULL) == VO_TRUE) {
+ aspect(vo, &d_width, &d_height, A_NOZOOM);
+ vo->dx = (int)(opts->vo_screenwidth - d_width) / 2;
+ vo->dy = (int)(opts->vo_screenheight - d_height) / 2;
+ geometry(&vo->dx, &vo->dy, &d_width, &d_height,
+ opts->vo_screenwidth, opts->vo_screenheight);
+ geometry_xy_changed |= xinerama_screen >= 0;
+ vo->dx += xinerama_x;
+ vo->dy += xinerama_y;
+ vo->dwidth = d_width;
+ vo->dheight = d_height;
+ }
+
+ vo->default_caps = vo_control(vo, VOCTRL_QUERY_FORMAT, &format);
+
+ int ret = vo->driver->config(vo, width, height, d_width, d_height, flags,
+ format);
+ vo->config_ok = (ret == 0);
+ vo->config_count += vo->config_ok;
+ if (!vo->config_ok)
+ vo->default_caps = 0;
+ if (vo->registered_fd == -1 && vo->event_fd != -1 && vo->config_ok) {
+ mp_input_add_key_fd(vo->input_ctx, vo->event_fd, 1, event_fd_callback,
+ NULL, vo);
+ vo->registered_fd = vo->event_fd;
+ }
+ vo->frame_loaded = false;
+ vo->waiting_mpi = NULL;
+ vo->redrawing = false;
+ vo->hasframe = false;
+ return ret;
+}
+
+/**
+ * \brief lookup an integer in a table, table must have 0 as the last key
+ * \param key key to search for
+ * \result translation corresponding to key or "to" value of last mapping
+ * if not found.
+ */
+int lookup_keymap_table(const struct mp_keymap *map, int key) {
+ while (map->from && map->from != key) map++;
+ return map->to;
+}
+
+static void print_video_rect(struct vo *vo, struct mp_rect src,
+ struct mp_rect dst, struct mp_osd_res osd)
+{
+ int lv = MSGL_V;
+
+ int sw = src.x1 - src.x0, sh = src.y1 - src.y0;
+ int dw = dst.x1 - dst.x0, dh = dst.y1 - dst.y0;
+
+ mp_msg(MSGT_VO, lv, "[vo] Window size: %dx%d\n",
+ vo->dwidth, vo->dheight);
+ mp_msg(MSGT_VO, lv, "[vo] Video source: %dx%d (%dx%d)\n",
+ vo->aspdat.orgw, vo->aspdat.orgh,
+ vo->aspdat.prew, vo->aspdat.preh);
+ mp_msg(MSGT_VO, lv, "[vo] Video display: (%d, %d) %dx%d -> (%d, %d) %dx%d\n",
+ src.x0, src.y0, sw, sh, dst.x0, dst.y0, dw, dh);
+ mp_msg(MSGT_VO, lv, "[vo] Video scale: %f/%f\n",
+ (double)dw / sw, (double)dh / sh);
+ mp_msg(MSGT_VO, lv, "[vo] OSD borders: l=%d t=%d r=%d b=%d\n",
+ osd.ml, osd.mt, osd.mr, osd.mb);
+ mp_msg(MSGT_VO, lv, "[vo] Video borders: l=%d t=%d r=%d b=%d\n",
+ dst.x0, dst.y0, vo->dwidth - dst.x1, vo->dheight - dst.y1);
+}
+
+static void src_dst_split_scaling(int src_size, int dst_size,
+ int scaled_src_size, int *src_start,
+ int *src_end, int *dst_start, int *dst_end)
+{
+ if (scaled_src_size > dst_size) {
+ int border = src_size * (scaled_src_size - dst_size) / scaled_src_size;
+ // round to a multiple of 2, this is at least needed for vo_direct3d
+ // and ATI cards
+ border = (border / 2 + 1) & ~1;
+ *src_start = border;
+ *src_end = src_size - border;
+ *dst_start = 0;
+ *dst_end = dst_size;
+ } else {
+ *src_start = 0;
+ *src_end = src_size;
+ *dst_start = (dst_size - scaled_src_size) / 2;
+ *dst_end = *dst_start + scaled_src_size;
+ }
+}
+
+// Calculate the appropriate source and destination rectangle to
+// get a correctly scaled picture, including pan-scan.
+// out_src: visible part of the video
+// out_dst: area of screen covered by the video source rectangle
+// out_osd: OSD size, OSD margins, etc.
+void vo_get_src_dst_rects(struct vo *vo, struct mp_rect *out_src,
+ struct mp_rect *out_dst, struct mp_osd_res *out_osd)
+{
+ int src_w = vo->aspdat.orgw;
+ int src_h = vo->aspdat.orgh;
+ struct mp_rect dst = {0, 0, vo->dwidth, vo->dheight};
+ struct mp_rect src = {0, 0, src_w, src_h};
+ struct mp_osd_res osd = {
+ .w = vo->dwidth,
+ .h = vo->dheight,
+ .display_par = vo->monitor_par,
+ .video_par = vo->aspdat.par,
+ };
+ if (aspect_scaling()) {
+ int scaled_width = 0, scaled_height = 0;
+ aspect(vo, &scaled_width, &scaled_height, A_WINZOOM);
+ panscan_calc_windowed(vo);
+ scaled_width += vo->panscan_x;
+ scaled_height += vo->panscan_y;
+ int border_w = vo->dwidth - scaled_width;
+ int border_h = vo->dheight - scaled_height;
+ osd.ml = border_w / 2;
+ osd.mt = border_h / 2;
+ osd.mr = border_w - osd.ml;
+ osd.mb = border_h - osd.mt;
+ src_dst_split_scaling(src_w, vo->dwidth, scaled_width,
+ &src.x0, &src.x1, &dst.x0, &dst.x1);
+ src_dst_split_scaling(src_h, vo->dheight, scaled_height,
+ &src.y0, &src.y1, &dst.y0, &dst.y1);
+ }
+
+ *out_src = src;
+ *out_dst = dst;
+ *out_osd = osd;
+
+ print_video_rect(vo, src, dst, osd);
+}
+
+// Return the window title the VO should set. Always returns a null terminated
+// string. The string is valid until frontend code is invoked again. Copy it if
+// you need to keep the string for an extended period of time.
+const char *vo_get_window_title(struct vo *vo)
+{
+ if (!vo->window_title)
+ vo->window_title = talloc_strdup(vo, "");
+ return vo->window_title;
+}
+
+/**
+ * Generates a mouse movement message if those are enable and sends it
+ * to the "main" MPlayer.
+ *
+ * \param posx new x position of mouse
+ * \param posy new y position of mouse
+ */
+void vo_mouse_movement(struct vo *vo, int posx, int posy)
+{
+ char cmd_str[40];
+ if (!enable_mouse_movements)
+ return;
+ snprintf(cmd_str, sizeof(cmd_str), "set_mouse_pos %i %i", posx, posy);
+ mp_input_queue_cmd(vo->input_ctx, mp_input_parse_cmd(bstr0(cmd_str), ""));
+}
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