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https://github.com/mpv-player/mpv
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760548da28
VO backends which are or will run in their own thread have a problem with vo_mouse_movement() calling vo_control(). Restrict this to VOs which actually need this.
307 lines
10 KiB
C
307 lines
10 KiB
C
/*
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* Copyright (C) Aaron Holtzman - Aug 1999
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* Strongly modified, most parts rewritten: A'rpi/ESP-team - 2000-2001
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* (C) MPlayer developers
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*
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* This file is part of MPlayer.
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*
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* MPlayer 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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* MPlayer 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 MPlayer; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef MPLAYER_VIDEO_OUT_H
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#define MPLAYER_VIDEO_OUT_H
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#include <inttypes.h>
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#include <stdbool.h>
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#include "video/img_format.h"
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#include "common/common.h"
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#include "options/options.h"
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#define VO_EVENT_EXPOSE 1
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#define VO_EVENT_RESIZE 2
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#define VO_EVENT_ICC_PROFILE_PATH_CHANGED 4
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enum mp_voctrl {
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/* signal a device reset seek */
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VOCTRL_RESET = 1,
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/* Handle input and redraw events, called by vo_check_events() */
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VOCTRL_CHECK_EVENTS,
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/* used to switch to fullscreen */
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VOCTRL_FULLSCREEN,
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/* signal a device pause */
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VOCTRL_PAUSE,
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/* start/resume playback */
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VOCTRL_RESUME,
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VOCTRL_GET_PANSCAN,
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VOCTRL_SET_PANSCAN,
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VOCTRL_SET_EQUALIZER, // struct voctrl_set_equalizer_args*
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VOCTRL_GET_EQUALIZER, // struct voctrl_get_equalizer_args*
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/* for hardware decoding */
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VOCTRL_GET_HWDEC_INFO, // struct mp_hwdec_info*
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// Redraw the image previously passed to draw_image() (basically, repeat
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// the previous draw_image call). If this is handled, the OSD should also
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// be updated and redrawn.
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VOCTRL_REDRAW_FRAME,
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VOCTRL_ONTOP,
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VOCTRL_BORDER,
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VOCTRL_UPDATE_WINDOW_TITLE, // char*
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VOCTRL_SET_CURSOR_VISIBILITY, // bool*
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VOCTRL_KILL_SCREENSAVER,
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VOCTRL_RESTORE_SCREENSAVER,
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VOCTRL_SET_DEINTERLACE,
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VOCTRL_GET_DEINTERLACE,
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VOCTRL_WINDOW_TO_OSD_COORDS, // float[2] (x/y)
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VOCTRL_GET_WINDOW_SIZE, // int[2] (w/h)
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VOCTRL_SET_WINDOW_SIZE, // int[2] (w/h)
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// The VO is supposed to set "known" fields, and leave the others
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// untouched or set to 0.
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// imgfmt/w/h/d_w/d_h can be omitted for convenience.
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VOCTRL_GET_COLORSPACE, // struct mp_image_params*
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VOCTRL_SCREENSHOT, // struct voctrl_screenshot_args*
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VOCTRL_SET_COMMAND_LINE, // char**
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VOCTRL_GET_ICC_PROFILE_PATH, // char**
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VOCTRL_GET_PREF_DEINT, // int*
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};
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// VOCTRL_SET_EQUALIZER
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struct voctrl_set_equalizer_args {
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const char *name;
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int value;
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};
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// VOCTRL_GET_EQUALIZER
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struct voctrl_get_equalizer_args {
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const char *name;
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int *valueptr;
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};
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// VOCTRL_SCREENSHOT
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struct voctrl_screenshot_args {
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// 0: Save image of the currently displayed video frame, in original
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// resolution.
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// 1: Save full screenshot of the window. Should contain OSD, EOSD, and the
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// scaled video.
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// The value of this variable can be ignored if only a single method is
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// implemented.
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int full_window;
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// Will be set to a newly allocated image, that contains the screenshot.
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// The caller has to free the image with talloc_free().
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// It is not specified whether the image data is a copy or references the
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// image data directly.
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// Can be NULL on failure.
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struct mp_image *out_image;
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// Whether the VO rendered OSD/subtitles into out_image
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bool has_osd;
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};
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#define VO_TRUE true
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#define VO_FALSE false
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#define VO_ERROR -1
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#define VO_NOTAVAIL -2
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#define VO_NOTIMPL -3
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#define VOFLAG_FLIPPING 0x08
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#define VOFLAG_HIDDEN 0x10 //< Use to create a hidden window
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#define VOFLAG_STEREO 0x20 //< Use to create a stereo-capable window
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#define VOFLAG_GL_DEBUG 0x40 // Hint to request debug OpenGL context
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#define VOFLAG_ALPHA 0x80 // Hint to request alpha framebuffer
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// VO does handle mp_image_params.rotate in 90 degree steps
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#define VO_CAP_ROTATE90 1
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// Requires VOCTRL_WINDOW_TO_OSD_COORDS to map mouse coords. to OSD coords.
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#define VO_CAP_EVIL_OSD 2
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#define VO_MAX_QUEUE 5
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struct vo;
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struct osd_state;
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struct mp_image;
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struct mp_image_params;
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struct vo_driver {
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// Encoding functionality, which can be invoked via --o only.
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bool encode;
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// VO_CAP_* bits
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int caps;
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const char *name;
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const char *description;
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/*
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* returns: zero on successful initialization, non-zero on error.
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*/
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int (*preinit)(struct vo *vo);
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/*
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* Whether the given image format is supported and config() will succeed.
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* format: one of IMGFMT_*
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* returns: 0 on not supported, otherwise a bitmask of VFCAP_* values
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*/
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int (*query_format)(struct vo *vo, uint32_t format);
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/*
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* Optional. Can be used to convert the input image into something VO
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* internal, such as GPU surfaces. Ownership of mpi is passed to the
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* function, and the returned image is owned by the caller.
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* The following guarantees are given:
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* - mpi has the format with which the VO was configured
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* - the returned image can be arbitrary, and the VO merely manages its
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* lifetime
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* - images passed to draw_image are always passed through this function
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* - the maximum number of images kept alive is not over vo->max_video_queue
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* - if vo->max_video_queue is large enough, some images may be buffered ahead
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*/
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struct mp_image *(*filter_image)(struct vo *vo, struct mp_image *mpi);
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/*
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* Initialize or reconfigure the display driver.
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* params: video parameters, like pixel format and frame size
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* flags: combination of VOFLAG_ values
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* returns: < 0 on error, >= 0 on success
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*/
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int (*reconfig)(struct vo *vo, struct mp_image_params *params, int flags);
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/*
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* Control interface
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*/
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int (*control)(struct vo *vo, uint32_t request, void *data);
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/*
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* Render the given frame to the VO's backbuffer. This operation will be
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* followed by a draw_osd and a flip_page[_timed] call.
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* mpi belongs to the VO; the VO must free it eventually.
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*
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* This also should draw the OSD.
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*/
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void (*draw_image)(struct vo *vo, struct mp_image *mpi);
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/*
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* Blit/Flip buffer to the screen. Must be called after each frame!
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* pts_us is the frame presentation time, linked to mp_time_us().
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* pts_us is 0 if the frame should be presented immediately.
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* duration is estimated time in us until the next frame is shown.
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* duration is -1 if it is unknown or unset.
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*/
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void (*flip_page)(struct vo *vo);
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void (*flip_page_timed)(struct vo *vo, int64_t pts_us, int duration);
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/*
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* Closes driver. Should restore the original state of the system.
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*/
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void (*uninit)(struct vo *vo);
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// Size of private struct for automatic allocation (0 doesn't allocate)
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int priv_size;
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// If not NULL, it's copied into the newly allocated private struct.
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const void *priv_defaults;
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// List of options to parse into priv struct (requires privsize to be set)
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const struct m_option *options;
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};
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struct vo {
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struct mp_log *log; // Using e.g. "[vo/vdpau]" as prefix
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int config_ok; // Last config call was successful?
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struct mp_image_params *params; // Configured parameters (as in vo_reconfig)
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bool probing;
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bool untimed; // non-interactive, don't do sleep calls in playloop
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bool want_redraw; // visible frame wrong (window resize), needs refresh
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bool hasframe; // >= 1 frame has been drawn, so redraw is possible
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double wakeup_period; // if > 0, this sets the maximum wakeup period for event polling
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double flip_queue_offset; // queue flip events at most this much in advance
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int max_video_queue; // queue this many decoded video frames (<=VO_MAX_QUEUE)
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// Frames to display; the next (i.e. oldest, lowest PTS) image has index 0.
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struct mp_image *video_queue[VO_MAX_QUEUE];
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int num_video_queue;
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const struct vo_driver *driver;
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void *priv;
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struct mp_vo_opts *opts;
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struct mpv_global *global;
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struct vo_x11_state *x11;
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struct vo_w32_state *w32;
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struct vo_cocoa_state *cocoa;
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struct vo_wayland_state *wayland;
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struct encode_lavc_context *encode_lavc_ctx;
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struct input_ctx *input_ctx;
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struct osd_state *osd;
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int event_fd; // check_events() should be called when this has input
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// current window state
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int dwidth;
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int dheight;
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float monitor_par;
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char *window_title;
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};
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struct mpv_global;
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struct vo *init_best_video_out(struct mpv_global *global,
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struct input_ctx *input_ctx,
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struct osd_state *osd,
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struct encode_lavc_context *encode_lavc_ctx);
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int vo_reconfig(struct vo *vo, struct mp_image_params *p, int flags);
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int vo_control(struct vo *vo, uint32_t request, void *data);
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void vo_queue_image(struct vo *vo, struct mp_image *mpi);
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bool vo_get_want_redraw(struct vo *vo);
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bool vo_has_next_frame(struct vo *vo, bool eof);
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double vo_get_next_pts(struct vo *vo, int index);
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bool vo_needs_new_image(struct vo *vo);
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void vo_new_frame_imminent(struct vo *vo);
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void vo_flip_page(struct vo *vo, int64_t pts_us, int duration);
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void vo_redraw(struct vo *vo);
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void vo_check_events(struct vo *vo);
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void vo_seek_reset(struct vo *vo);
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void vo_destroy(struct vo *vo);
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const char *vo_get_window_title(struct vo *vo);
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struct mp_keymap {
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int from;
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int to;
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};
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int lookup_keymap_table(const struct mp_keymap *map, int key);
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void vo_mouse_movement(struct vo *vo, int posx, int posy);
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void vo_drop_files(struct vo *vo, int num_files, char **files);
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struct mp_osd_res;
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void vo_get_src_dst_rects(struct vo *vo, struct mp_rect *out_src,
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struct mp_rect *out_dst, struct mp_osd_res *out_osd);
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#endif /* MPLAYER_VIDEO_OUT_H */
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