mpv/video/out/cocoa_common.m

1102 lines
32 KiB
Objective-C

/*
* Cocoa OpenGL Backend
*
* This file is part of mpv.
*
* mpv is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with mpv. If not, see <http://www.gnu.org/licenses/>.
*/
#import <Cocoa/Cocoa.h>
#import <IOKit/pwr_mgt/IOPMLib.h>
#import <IOKit/IOKitLib.h>
#import <AppKit/AppKit.h>
#include <mach/mach.h>
#import "cocoa_common.h"
#import "video/out/cocoa/window.h"
#import "video/out/cocoa/events_view.h"
#import "video/out/cocoa/video_view.h"
#import "video/out/cocoa/mpvadapter.h"
#include "osdep/threads.h"
#include "osdep/atomic.h"
#include "osdep/macosx_compat.h"
#include "osdep/macosx_events_objc.h"
#include "osdep/timer.h"
#include "osdep/macosx_application.h"
#include "osdep/macosx_application_objc.h"
#include "options/options.h"
#include "video/out/vo.h"
#include "win_state.h"
#include "input/input.h"
#include "mpv_talloc.h"
#include "common/msg.h"
static CVReturn displayLinkCallback(CVDisplayLinkRef displayLink, const CVTimeStamp* now,
const CVTimeStamp* outputTime, CVOptionFlags flagsIn,
CVOptionFlags* flagsOut, void* displayLinkContext);
static int vo_cocoa_fullscreen(struct vo *vo);
static void cocoa_add_screen_reconfiguration_observer(struct vo *vo);
static void cocoa_rm_screen_reconfiguration_observer(struct vo *vo);
struct vo_cocoa_state {
// --- The following members can be accessed only by the main thread (i.e.
// where Cocoa runs), or if the main thread is fully blocked.
NSWindow *window;
NSView *view;
MpvVideoView *video;
MpvCocoaAdapter *adapter;
CGLContextObj cgl_ctx;
NSOpenGLContext *nsgl_ctx;
NSScreen *current_screen;
CGDirectDisplayID display_id;
NSInteger window_level;
int fullscreen;
NSRect unfs_window;
bool cursor_visibility;
bool cursor_visibility_wanted;
bool window_is_dragged;
id event_monitor_mouseup;
bool embedded; // whether we are embedding in another GUI
IOPMAssertionID power_mgmt_assertion;
io_connect_t light_sensor;
uint64_t last_lmuvalue;
int last_lux;
IONotificationPortRef light_sensor_io_port;
struct mp_log *log;
uint32_t old_dwidth;
uint32_t old_dheight;
pthread_mutex_t anim_lock;
pthread_cond_t anim_wakeup;
bool is_animating;
CVDisplayLinkRef link;
pthread_mutex_t sync_lock;
pthread_cond_t sync_wakeup;
uint64_t sync_counter;
pthread_mutex_t lock;
pthread_cond_t wakeup;
// --- The following members are protected by the lock.
// If the VO and main threads are both blocked, locking is optional
// for members accessed only by VO and main thread.
int pending_events;
int vo_dwidth; // current or soon-to-be VO size
int vo_dheight;
bool vo_ready; // the VO is in a state in which it can
// render frames
int frame_w, frame_h; // dimensions of the frame rendered
char *window_title;
};
static void run_on_main_thread(struct vo *vo, void(^block)(void))
{
dispatch_sync(dispatch_get_main_queue(), block);
}
static void queue_new_video_size(struct vo *vo, int w, int h)
{
struct vo_cocoa_state *s = vo->cocoa;
id<MpvWindowUpdate> win = (id<MpvWindowUpdate>) s->window;
NSRect r = NSMakeRect(0, 0, w, h);
r = [s->current_screen convertRectFromBacking:r];
[win queueNewVideoSize:r.size];
}
static void flag_events(struct vo *vo, int events)
{
struct vo_cocoa_state *s = vo->cocoa;
pthread_mutex_lock(&s->lock);
s->pending_events |= events;
pthread_mutex_unlock(&s->lock);
if (events)
vo_wakeup(vo);
}
static void enable_power_management(struct vo_cocoa_state *s)
{
if (!s->power_mgmt_assertion) return;
IOPMAssertionRelease(s->power_mgmt_assertion);
s->power_mgmt_assertion = kIOPMNullAssertionID;
}
static void disable_power_management(struct vo_cocoa_state *s)
{
if (s->power_mgmt_assertion) return;
IOPMAssertionCreateWithName(
kIOPMAssertionTypePreventUserIdleDisplaySleep,
kIOPMAssertionLevelOn,
CFSTR("io.mpv.video_playing_back"),
&s->power_mgmt_assertion);
}
static const char macosx_icon[] =
#include "TOOLS/osxbundle/icon.icns.inc"
;
static void set_application_icon(NSApplication *app)
{
NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
NSBundle *bundle = [NSBundle mainBundle];
if ([bundle pathForResource:@"icon" ofType:@"icns"])
return;
// The C string contains a trailing null, so we strip it away
NSData *icon_data = [NSData dataWithBytesNoCopy:(void *)macosx_icon
length:sizeof(macosx_icon) - 1
freeWhenDone:NO];
NSImage *icon = [[NSImage alloc] initWithData:icon_data];
[app setApplicationIconImage:icon];
[icon release];
[pool release];
}
static int lmuvalue_to_lux(uint64_t v)
{
// the polynomial approximation for apple lmu value -> lux was empirically
// derived by firefox developers (Apple provides no documentation).
// https://bugzilla.mozilla.org/show_bug.cgi?id=793728
double power_c4 = 1/pow((double)10,27);
double power_c3 = 1/pow((double)10,19);
double power_c2 = 1/pow((double)10,12);
double power_c1 = 1/pow((double)10,5);
double term4 = -3.0 * power_c4 * pow(v,4);
double term3 = 2.6 * power_c3 * pow(v,3);
double term2 = -3.4 * power_c2 * pow(v,2);
double term1 = 3.9 * power_c1 * v;
int lux = ceil(term4 + term3 + term2 + term1 - 0.19);
return lux > 0 ? lux : 0;
}
static void light_sensor_cb(void *ctx, io_service_t srv, natural_t mtype, void *msg)
{
struct vo *vo = ctx;
struct vo_cocoa_state *s = vo->cocoa;
uint32_t outputs = 2;
uint64_t values[outputs];
kern_return_t kr = IOConnectCallMethod(
s->light_sensor, 0, NULL, 0, NULL, 0, values, &outputs, nil, 0);
if (kr == KERN_SUCCESS) {
uint64_t mean = (values[0] + values[1]) / 2;
if (s->last_lmuvalue != mean) {
s->last_lmuvalue = mean;
s->last_lux = lmuvalue_to_lux(s->last_lmuvalue);
flag_events(vo, VO_EVENT_AMBIENT_LIGHTING_CHANGED);
}
}
}
static void cocoa_init_light_sensor(struct vo *vo)
{
run_on_main_thread(vo, ^{
struct vo_cocoa_state *s = vo->cocoa;
io_service_t srv = IOServiceGetMatchingService(
kIOMasterPortDefault, IOServiceMatching("AppleLMUController"));
if (srv == IO_OBJECT_NULL) {
MP_VERBOSE(vo, "can't find an ambient light sensor\n");
return;
}
// subscribe to notifications from the light sensor driver
s->light_sensor_io_port = IONotificationPortCreate(kIOMasterPortDefault);
IONotificationPortSetDispatchQueue(
s->light_sensor_io_port, dispatch_get_main_queue());
io_object_t n;
IOServiceAddInterestNotification(
s->light_sensor_io_port, srv, kIOGeneralInterest, light_sensor_cb,
vo, &n);
kern_return_t kr = IOServiceOpen(srv, mach_task_self(), 0,
&s->light_sensor);
IOObjectRelease(srv);
if (kr != KERN_SUCCESS) {
MP_WARN(vo, "can't start ambient light sensor connection\n");
return;
}
light_sensor_cb(vo, 0, 0, NULL);
});
}
static void cocoa_uninit_light_sensor(struct vo_cocoa_state *s)
{
if (s->light_sensor_io_port) {
IONotificationPortDestroy(s->light_sensor_io_port);
IOObjectRelease(s->light_sensor);
}
}
static NSScreen *get_screen_by_id(struct vo *vo, int screen_id)
{
struct vo_cocoa_state *s = vo->cocoa;
NSArray *screens = [NSScreen screens];
int n_of_displays = [screens count];
if (screen_id >= n_of_displays) {
MP_INFO(s, "Screen ID %d does not exist, falling back to main "
"device\n", screen_id);
return nil;
} else if (screen_id < 0) {
return nil;
}
return [screens objectAtIndex:(screen_id)];
}
static void vo_cocoa_update_screen_info(struct vo *vo)
{
struct vo_cocoa_state *s = vo->cocoa;
struct mp_vo_opts *opts = vo->opts;
if (s->embedded)
return;
if (s->current_screen && s->window) {
s->current_screen = [s->window screen];
} else if (!s->current_screen) {
s->current_screen = get_screen_by_id(vo, opts->screen_id);
if (!s->current_screen)
s->current_screen = [NSScreen mainScreen];
}
NSDictionary* sinfo = [s->current_screen deviceDescription];
s->display_id = [[sinfo objectForKey:@"NSScreenNumber"] longValue];
}
static void vo_cocoa_anim_lock(struct vo *vo)
{
struct vo_cocoa_state *s = vo->cocoa;
pthread_mutex_lock(&s->anim_lock);
s->is_animating = true;
pthread_mutex_unlock(&s->anim_lock);
}
static void vo_cocoa_anim_unlock(struct vo *vo)
{
struct vo_cocoa_state *s = vo->cocoa;
pthread_mutex_lock(&s->anim_lock);
s->is_animating = false;
pthread_cond_signal(&s->anim_wakeup);
pthread_mutex_unlock(&s->anim_lock);
}
static void vo_cocoa_signal_swap(struct vo_cocoa_state *s)
{
pthread_mutex_lock(&s->sync_lock);
s->sync_counter += 1;
pthread_cond_signal(&s->sync_wakeup);
pthread_mutex_unlock(&s->sync_lock);
}
static void vo_cocoa_start_displaylink(struct vo_cocoa_state *s)
{
if (!CVDisplayLinkIsRunning(s->link))
CVDisplayLinkStart(s->link);
}
static void vo_cocoa_stop_displaylink(struct vo_cocoa_state *s)
{
if (CVDisplayLinkIsRunning(s->link)) {
CVDisplayLinkStop(s->link);
vo_cocoa_signal_swap(s);
}
}
static void vo_cocoa_init_displaylink(struct vo *vo)
{
struct vo_cocoa_state *s = vo->cocoa;
CVDisplayLinkCreateWithCGDisplay(s->display_id, &s->link);
CVDisplayLinkSetOutputCallback(s->link, &displayLinkCallback, vo);
CVDisplayLinkStart(s->link);
}
static void vo_cocoa_uninit_displaylink(struct vo_cocoa_state *s)
{
vo_cocoa_stop_displaylink(s);
CVDisplayLinkRelease(s->link);
}
static void cocoa_add_event_monitor(struct vo *vo)
{
struct vo_cocoa_state *s = vo->cocoa;
s->event_monitor_mouseup = [NSEvent
addLocalMonitorForEventsMatchingMask: NSEventMaskLeftMouseUp
handler:^NSEvent*(NSEvent* event) {
s->window_is_dragged = false;
return event;
}];
}
static void cocoa_rm_event_monitor(struct vo *vo)
{
[NSEvent removeMonitor:vo->cocoa->event_monitor_mouseup];
}
void vo_cocoa_init(struct vo *vo)
{
struct vo_cocoa_state *s = talloc_zero(NULL, struct vo_cocoa_state);
*s = (struct vo_cocoa_state){
.power_mgmt_assertion = kIOPMNullAssertionID,
.log = mp_log_new(s, vo->log, "cocoa"),
.embedded = vo->opts->WinID >= 0,
.cursor_visibility = true,
.cursor_visibility_wanted = true,
.fullscreen = 0,
};
pthread_mutex_init(&s->lock, NULL);
pthread_cond_init(&s->wakeup, NULL);
pthread_mutex_init(&s->sync_lock, NULL);
pthread_cond_init(&s->sync_wakeup, NULL);
pthread_mutex_init(&s->anim_lock, NULL);
pthread_cond_init(&s->anim_wakeup, NULL);
vo->cocoa = s;
vo_cocoa_update_screen_info(vo);
vo_cocoa_init_displaylink(vo);
cocoa_init_light_sensor(vo);
cocoa_add_screen_reconfiguration_observer(vo);
cocoa_add_event_monitor(vo);
if (!s->embedded) {
run_on_main_thread(vo, ^{
[NSApp setActivationPolicy:NSApplicationActivationPolicyRegular];
set_application_icon(NSApp);
});
}
}
static int vo_cocoa_update_cursor_visibility(struct vo *vo, bool forceVisible)
{
struct vo_cocoa_state *s = vo->cocoa;
if (s->embedded)
return VO_NOTIMPL;
if (s->view) {
MpvEventsView *v = (MpvEventsView *) s->view;
bool visibility = !(!s->cursor_visibility_wanted && [v canHideCursor]);
if ((forceVisible || visibility) && !s->cursor_visibility) {
[NSCursor unhide];
s->cursor_visibility = YES;
} else if (!visibility && s->cursor_visibility) {
[NSCursor hide];
s->cursor_visibility = NO;
}
}
return VO_TRUE;
}
void vo_cocoa_uninit(struct vo *vo)
{
struct vo_cocoa_state *s = vo->cocoa;
pthread_mutex_lock(&s->lock);
s->vo_ready = false;
pthread_cond_signal(&s->wakeup);
pthread_mutex_unlock(&s->lock);
pthread_mutex_lock(&s->anim_lock);
while(s->is_animating)
pthread_cond_wait(&s->anim_wakeup, &s->anim_lock);
pthread_mutex_unlock(&s->anim_lock);
// close window beforehand to prevent undefined behavior when in fullscreen
// that resets the desktop to space 1
run_on_main_thread(vo, ^{
// if using --wid + libmpv there's no window to release
if (s->window) {
vo_cocoa_update_cursor_visibility(vo, true);
[s->window setDelegate:nil];
[s->window close];
}
});
run_on_main_thread(vo, ^{
enable_power_management(s);
vo_cocoa_uninit_displaylink(s);
vo_cocoa_signal_swap(s);
cocoa_uninit_light_sensor(s);
cocoa_rm_screen_reconfiguration_observer(vo);
cocoa_rm_event_monitor(vo);
[s->nsgl_ctx release];
CGLReleaseContext(s->cgl_ctx);
// needed to stop resize events triggered by the event's view -clear
// causing many uses after free
[s->video removeFromSuperview];
[s->view removeFromSuperview];
[s->view release];
pthread_cond_destroy(&s->anim_wakeup);
pthread_mutex_destroy(&s->anim_lock);
pthread_cond_destroy(&s->sync_wakeup);
pthread_mutex_destroy(&s->sync_lock);
pthread_cond_destroy(&s->wakeup);
pthread_mutex_destroy(&s->lock);
talloc_free(s);
});
}
static void vo_cocoa_update_displaylink(struct vo *vo)
{
struct vo_cocoa_state *s = vo->cocoa;
vo_cocoa_uninit_displaylink(s);
vo_cocoa_init_displaylink(vo);
}
static double vo_cocoa_update_screen_fps(struct vo *vo)
{
struct vo_cocoa_state *s = vo->cocoa;
double actual_fps = CVDisplayLinkGetActualOutputVideoRefreshPeriod(s->link);
const CVTime t = CVDisplayLinkGetNominalOutputVideoRefreshPeriod(s->link);
if (!(t.flags & kCVTimeIsIndefinite)) {
double nominal_fps = (t.timeScale / (double) t.timeValue);
if (actual_fps > 0)
actual_fps = 1/actual_fps;
if (fabs(actual_fps - nominal_fps) > 0.1) {
MP_VERBOSE(vo, "Falling back to nominal display "
"refresh rate: %fHz\n", nominal_fps);
return nominal_fps;
} else {
return actual_fps;
}
}
MP_WARN(vo, "Falling back to standard display refresh rate: 60Hz\n");
return 60.0;
}
static CVReturn displayLinkCallback(CVDisplayLinkRef displayLink, const CVTimeStamp* now,
const CVTimeStamp* outputTime, CVOptionFlags flagsIn,
CVOptionFlags* flagsOut, void* displayLinkContext)
{
struct vo *vo = displayLinkContext;
struct vo_cocoa_state *s = vo->cocoa;
vo_cocoa_signal_swap(s);
return kCVReturnSuccess;
}
static void vo_set_level(struct vo *vo, int ontop, int ontop_level)
{
struct vo_cocoa_state *s = vo->cocoa;
if (ontop) {
switch (ontop_level) {
case -1:
s->window_level = NSFloatingWindowLevel;
break;
case -2:
s->window_level = NSStatusWindowLevel;
break;
default:
s->window_level = ontop_level;
}
} else {
s->window_level = NSNormalWindowLevel;
}
[s->window setLevel:s->window_level];
NSWindowCollectionBehavior behavior = [s->window collectionBehavior] &
~NSWindowCollectionBehaviorTransient;
[s->window setCollectionBehavior:behavior|NSWindowCollectionBehaviorManaged];
}
static int vo_cocoa_ontop(struct vo *vo)
{
struct vo_cocoa_state *s = vo->cocoa;
if (s->embedded)
return VO_NOTIMPL;
struct mp_vo_opts *opts = vo->opts;
vo_set_level(vo, opts->ontop, opts->ontop_level);
return VO_TRUE;
}
static MpvVideoWindow *create_window(NSRect rect, NSScreen *s, bool border,
MpvCocoaAdapter *adapter)
{
int window_mask = 0;
if (border) {
window_mask = NSWindowStyleMaskTitled|NSWindowStyleMaskClosable|
NSWindowStyleMaskMiniaturizable|NSWindowStyleMaskResizable;
} else {
window_mask = NSWindowStyleMaskBorderless|NSWindowStyleMaskResizable;
}
MpvVideoWindow *w =
[[MpvVideoWindow alloc] initWithContentRect:rect
styleMask:window_mask
backing:NSBackingStoreBuffered
defer:NO
screen:s];
w.adapter = adapter;
[w setDelegate: w];
return w;
}
static void create_ui(struct vo *vo, struct mp_rect *win, int geo_flags)
{
struct vo_cocoa_state *s = vo->cocoa;
struct mp_vo_opts *opts = vo->opts;
MpvCocoaAdapter *adapter = [[MpvCocoaAdapter alloc] init];
adapter.vout = vo;
NSView *parent;
if (s->embedded) {
parent = (NSView *) (intptr_t) opts->WinID;
} else {
NSRect wr = NSMakeRect(win->x0, win->y1, win->x1 - win->x0, win->y0 - win->y1);
wr = [s->current_screen convertRectFromBacking:wr];
s->window = create_window(wr, s->current_screen, opts->border, adapter);
parent = [s->window contentView];
}
MpvEventsView *view = [[MpvEventsView alloc] initWithFrame:[parent bounds]];
view.adapter = adapter;
s->view = view;
[parent addSubview:s->view];
s->adapter = adapter;
cocoa_register_menu_item_action(MPM_H_SIZE, @selector(halfSize));
cocoa_register_menu_item_action(MPM_N_SIZE, @selector(normalSize));
cocoa_register_menu_item_action(MPM_D_SIZE, @selector(doubleSize));
cocoa_register_menu_item_action(MPM_MINIMIZE, @selector(performMiniaturize:));
cocoa_register_menu_item_action(MPM_ZOOM, @selector(performZoom:));
s->video = [[MpvVideoView alloc] initWithFrame:[s->view bounds]];
[s->video setWantsBestResolutionOpenGLSurface:YES];
[s->view addSubview:s->video];
[s->nsgl_ctx setView:s->video];
[s->video release];
s->video.adapter = adapter;
[adapter release];
if (!s->embedded) {
[s->window setRestorable:NO];
[s->window makeMainWindow];
[s->window makeKeyAndOrderFront:nil];
if (!opts->fullscreen)
[s->window setMovableByWindowBackground:YES];
[NSApp activateIgnoringOtherApps:YES];
}
}
static int cocoa_set_window_title(struct vo *vo)
{
struct vo_cocoa_state *s = vo->cocoa;
if (s->embedded)
return VO_NOTIMPL;
void *talloc_ctx = talloc_new(NULL);
struct bstr btitle =
bstr_sanitize_utf8_latin1(talloc_ctx, bstr0(s->window_title));
if (btitle.start) {
NSString *nstitle = [NSString stringWithUTF8String:btitle.start];
if (nstitle) {
[s->window setTitle: nstitle];
[s->window displayIfNeeded];
}
}
talloc_free(talloc_ctx);
return VO_TRUE;
}
static int vo_cocoa_window_border(struct vo *vo)
{
struct vo_cocoa_state *s = vo->cocoa;
if (s->embedded)
return VO_NOTIMPL;
struct mp_vo_opts *opts = vo->opts;
id<MpvWindowUpdate> win = (id<MpvWindowUpdate>) s->window;
[win updateBorder:opts->border];
if (opts->border)
cocoa_set_window_title(vo);
return VO_TRUE;
}
static void cocoa_screen_reconfiguration_observer(
CGDirectDisplayID display, CGDisplayChangeSummaryFlags flags, void *ctx)
{
if (flags & kCGDisplaySetModeFlag) {
struct vo *vo = ctx;
struct vo_cocoa_state *s = vo->cocoa;
if (s->display_id == display) {
MP_VERBOSE(vo, "detected display mode change, updating screen refresh rate\n");
flag_events(vo, VO_EVENT_WIN_STATE);
}
}
}
static void cocoa_add_screen_reconfiguration_observer(struct vo *vo)
{
CGDisplayRegisterReconfigurationCallback(
cocoa_screen_reconfiguration_observer, vo);
}
static void cocoa_rm_screen_reconfiguration_observer(struct vo *vo)
{
CGDisplayRemoveReconfigurationCallback(
cocoa_screen_reconfiguration_observer, vo);
}
void vo_cocoa_set_opengl_ctx(struct vo *vo, CGLContextObj ctx)
{
struct vo_cocoa_state *s = vo->cocoa;
run_on_main_thread(vo, ^{
s->cgl_ctx = CGLRetainContext(ctx);
s->nsgl_ctx = [[NSOpenGLContext alloc] initWithCGLContextObj:s->cgl_ctx];
});
}
int vo_cocoa_config_window(struct vo *vo)
{
struct vo_cocoa_state *s = vo->cocoa;
struct mp_vo_opts *opts = vo->opts;
run_on_main_thread(vo, ^{
NSRect r = [s->current_screen frame];
r = [s->current_screen convertRectToBacking:r];
struct mp_rect screenrc = {0, 0, r.size.width, r.size.height};
struct vo_win_geometry geo;
vo_calc_window_geometry2(vo, &screenrc, [s->current_screen backingScaleFactor], &geo);
vo_apply_window_geometry(vo, &geo);
//flip y coordinates
geo.win.y1 = r.size.height - geo.win.y1;
geo.win.y0 = r.size.height - geo.win.y0;
uint32_t width = vo->dwidth;
uint32_t height = vo->dheight;
bool reset_size = s->old_dwidth != width || s->old_dheight != height;
s->old_dwidth = width;
s->old_dheight = height;
if (!s->view) {
create_ui(vo, &geo.win, geo.flags);
}
s->unfs_window = NSMakeRect(0, 0, width, height);
if (!s->embedded && s->window) {
if (reset_size)
queue_new_video_size(vo, width, height);
if (opts->fullscreen && !s->fullscreen)
vo_cocoa_fullscreen(vo);
cocoa_set_window_title(vo);
vo_set_level(vo, opts->ontop, opts->ontop_level);
GLint o;
if (!CGLGetParameter(s->cgl_ctx, kCGLCPSurfaceOpacity, &o) && !o) {
[s->window setOpaque:NO];
[s->window setBackgroundColor:[NSColor clearColor]];
}
}
s->vo_ready = true;
// Use the actual size of the new window
NSRect frame = [s->video frameInPixels];
vo->dwidth = s->vo_dwidth = frame.size.width;
vo->dheight = s->vo_dheight = frame.size.height;
[s->nsgl_ctx update];
});
return 0;
}
// Trigger a VO resize - called from the main thread. This is done async,
// because the VO must resize and redraw while vo_cocoa_resize_redraw() is
// blocking.
static void resize_event(struct vo *vo)
{
struct vo_cocoa_state *s = vo->cocoa;
NSRect frame = [s->video frameInPixels];
pthread_mutex_lock(&s->lock);
s->vo_dwidth = frame.size.width;
s->vo_dheight = frame.size.height;
s->pending_events |= VO_EVENT_RESIZE | VO_EVENT_EXPOSE;
// Live-resizing: make sure at least one frame will be drawn
s->frame_w = s->frame_h = 0;
pthread_mutex_unlock(&s->lock);
[s->nsgl_ctx update];
vo_wakeup(vo);
}
static void vo_cocoa_resize_redraw(struct vo *vo, int width, int height)
{
struct vo_cocoa_state *s = vo->cocoa;
resize_event(vo);
pthread_mutex_lock(&s->lock);
// Wait until a new frame with the new size was rendered. For some reason,
// Cocoa requires this to be done before drawRect() returns.
struct timespec e = mp_time_us_to_timespec(mp_add_timeout(mp_time_us(), 0.1));
while (s->frame_w != width && s->frame_h != height && s->vo_ready) {
if (pthread_cond_timedwait(&s->wakeup, &s->lock, &e))
break;
}
pthread_mutex_unlock(&s->lock);
}
void vo_cocoa_swap_buffers(struct vo *vo)
{
struct vo_cocoa_state *s = vo->cocoa;
// Don't swap a frame with wrong size
pthread_mutex_lock(&s->lock);
bool skip = s->pending_events & VO_EVENT_RESIZE;
pthread_mutex_unlock(&s->lock);
if (skip)
return;
pthread_mutex_lock(&s->sync_lock);
uint64_t old_counter = s->sync_counter;
while(CVDisplayLinkIsRunning(s->link) && old_counter == s->sync_counter) {
pthread_cond_wait(&s->sync_wakeup, &s->sync_lock);
}
pthread_mutex_unlock(&s->sync_lock);
pthread_mutex_lock(&s->lock);
s->frame_w = vo->dwidth;
s->frame_h = vo->dheight;
pthread_cond_signal(&s->wakeup);
pthread_mutex_unlock(&s->lock);
}
static int vo_cocoa_check_events(struct vo *vo)
{
struct vo_cocoa_state *s = vo->cocoa;
pthread_mutex_lock(&s->lock);
int events = s->pending_events;
s->pending_events = 0;
if (events & VO_EVENT_RESIZE) {
vo->dwidth = s->vo_dwidth;
vo->dheight = s->vo_dheight;
}
pthread_mutex_unlock(&s->lock);
return events;
}
static int vo_cocoa_fullscreen(struct vo *vo)
{
struct vo_cocoa_state *s = vo->cocoa;
if (s->embedded)
return VO_NOTIMPL;
if (!s->fullscreen)
s->unfs_window = [s->view frame];
[s->window toggleFullScreen:nil];
return VO_TRUE;
}
static void vo_cocoa_control_get_icc_profile(struct vo *vo, void *arg)
{
struct vo_cocoa_state *s = vo->cocoa;
bstr *p = arg;
NSData *profile = [[s->current_screen colorSpace] ICCProfileData];
p->start = talloc_memdup(NULL, (void *)[profile bytes], [profile length]);
p->len = [profile length];
}
static int vo_cocoa_control_on_main_thread(struct vo *vo, int request, void *arg)
{
struct vo_cocoa_state *s = vo->cocoa;
switch (request) {
case VOCTRL_GET_UNFS_WINDOW_SIZE: {
int *sz = arg;
NSRect rect = (s->fullscreen || vo->opts->fullscreen) ?
s->unfs_window : [s->view frame];
if(!vo->opts->hidpi_window_scale)
rect = [s->current_screen convertRectToBacking:rect];
sz[0] = rect.size.width;
sz[1] = rect.size.height;
return VO_TRUE;
}
case VOCTRL_SET_UNFS_WINDOW_SIZE: {
int *sz = arg;
NSRect r = NSMakeRect(0, 0, sz[0], sz[1]);
if(vo->opts->hidpi_window_scale)
r = [s->current_screen convertRectToBacking:r];
queue_new_video_size(vo, r.size.width, r.size.height);
return VO_TRUE;
}
case VOCTRL_SET_CURSOR_VISIBILITY:
s->cursor_visibility_wanted = *(bool *)arg;
return vo_cocoa_update_cursor_visibility(vo, false);
case VOCTRL_UPDATE_WINDOW_TITLE: {
talloc_free(s->window_title);
s->window_title = talloc_strdup(s, (char *) arg);
return cocoa_set_window_title(vo);
}
case VOCTRL_RESTORE_SCREENSAVER:
enable_power_management(s);
return VO_TRUE;
case VOCTRL_KILL_SCREENSAVER:
disable_power_management(s);
return VO_TRUE;
case VOCTRL_GET_ICC_PROFILE:
vo_cocoa_control_get_icc_profile(vo, arg);
return VO_TRUE;
case VOCTRL_GET_DISPLAY_FPS:
*(double *)arg = vo_cocoa_update_screen_fps(vo);
return VO_TRUE;
break;
case VOCTRL_GET_AMBIENT_LUX:
if (s->light_sensor != IO_OBJECT_NULL) {
*(int *)arg = s->last_lux;
return VO_TRUE;
}
break;
}
return VO_NOTIMPL;
}
static int vo_cocoa_control_async(struct vo *vo, int *events, int request, void *arg)
{
switch (request) {
case VOCTRL_CHECK_EVENTS:
*events |= vo_cocoa_check_events(vo);
return VO_TRUE;
}
return VO_NOTIMPL;
}
int vo_cocoa_control(struct vo *vo, int *events, int request, void *arg)
{
__block int r = vo_cocoa_control_async(vo, events, request, arg);
if (r == VO_NOTIMPL) {
run_on_main_thread(vo, ^{
r = vo_cocoa_control_on_main_thread(vo, request, arg);
});
}
return r;
}
@implementation MpvCocoaAdapter
@synthesize vout = _video_output;
- (void)performAsyncResize:(NSSize)size
{
vo_cocoa_resize_redraw(self.vout, size.width, size.height);
}
- (BOOL)keyboardEnabled
{
return !!mp_input_vo_keyboard_enabled(self.vout->input_ctx);
}
- (BOOL)mouseEnabled
{
return !!mp_input_mouse_enabled(self.vout->input_ctx);
}
- (void)setNeedsResize
{
resize_event(self.vout);
}
- (void)recalcMovableByWindowBackground:(NSPoint)p
{
BOOL movable = NO;
if (!self.vout->cocoa->fullscreen) {
movable = !mp_input_test_dragging(self.vout->input_ctx, p.x, p.y);
}
[self.vout->cocoa->window setMovableByWindowBackground:movable];
}
- (void)signalMouseMovement:(NSPoint)point
{
[self recalcMovableByWindowBackground:point];
if (!self.vout->cocoa->window_is_dragged)
mp_input_set_mouse_pos(self.vout->input_ctx, point.x, point.y);
}
- (void)putKey:(int)mpkey withModifiers:(int)modifiers
{
cocoa_put_key_with_modifiers(mpkey, modifiers);
}
- (void)putWheel:(int)mpkey delta:(float)delta;
{
mp_input_put_wheel(self.vout->input_ctx, mpkey, delta);
}
- (void)putCommand:(char*)cmd
{
char *cmd_ = ta_strdup(NULL, cmd);
mp_cmd_t *cmdt = mp_input_parse_cmd(self.vout->input_ctx, bstr0(cmd_), "");
mp_input_queue_cmd(self.vout->input_ctx, cmdt);
ta_free(cmd_);
}
- (BOOL)isInFullScreenMode
{
return self.vout->cocoa->fullscreen;
}
- (BOOL)wantsNativeFullscreen
{
return self.vout->opts->native_fs;
}
- (NSScreen *)getTargetScreen
{
struct vo_cocoa_state *s = self.vout->cocoa;
struct mp_vo_opts *opts = self.vout->opts;
int screen_id = s->fullscreen ? opts->screen_id : opts->fsscreen_id;
return get_screen_by_id(self.vout, screen_id);
}
- (void)handleFilesArray:(NSArray *)files
{
[[EventsResponder sharedInstance] handleFilesArray:files];
}
- (void)windowDidChangeScreen:(NSNotification *)notification
{
vo_cocoa_update_screen_info(self.vout);
}
- (void)windowDidChangePhysicalScreen
{
vo_cocoa_update_displaylink(self.vout);
flag_events(self.vout, VO_EVENT_WIN_STATE);
}
- (void)windowDidEnterFullScreen
{
struct vo_cocoa_state *s = self.vout->cocoa;
s->fullscreen = 1;
vo_cocoa_anim_unlock(self.vout);
}
- (void)windowDidExitFullScreen
{
struct vo_cocoa_state *s = self.vout->cocoa;
s->fullscreen = 0;
vo_cocoa_anim_unlock(self.vout);
}
- (void)windowWillEnterFullScreen:(NSNotification *)notification
{
vo_cocoa_anim_lock(self.vout);
}
- (void)windowWillExitFullScreen:(NSNotification *)notification
{
vo_cocoa_anim_lock(self.vout);
}
- (void)windowDidFailToEnterFullScreen:(NSWindow *)window
{
vo_cocoa_anim_unlock(self.vout);
}
- (void)windowDidFailToExitFullScreen:(NSWindow *)window
{
vo_cocoa_anim_unlock(self.vout);
}
- (void)windowWillStartLiveResize:(NSNotification *)notification
{
// Make vo.c not do video timing, which would slow down resizing.
vo_event(self.vout, VO_EVENT_LIVE_RESIZING);
vo_cocoa_stop_displaylink(self.vout->cocoa);
}
- (void)windowDidEndLiveResize:(NSNotification *)notification
{
vo_query_and_reset_events(self.vout, VO_EVENT_LIVE_RESIZING);
vo_cocoa_start_displaylink(self.vout->cocoa);
}
- (void)didChangeWindowedScreenProfile:(NSNotification *)notification
{
vo_cocoa_update_screen_info(self.vout);
flag_events(self.vout, VO_EVENT_ICC_PROFILE_CHANGED);
}
- (void)windowDidResignKey:(NSNotification *)notification
{
vo_cocoa_update_cursor_visibility(self.vout, true);
}
- (void)windowDidBecomeKey:(NSNotification *)notification
{
vo_cocoa_update_cursor_visibility(self.vout, false);
}
- (void)windowWillMove:(NSNotification *)notification
{
self.vout->cocoa->window_is_dragged = true;
}
@end