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Media: support player detection ( macOS )

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李通洲 2022-09-20 17:19:18 +08:00
parent 482e5a5eff
commit 431f570f05
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GPG Key ID: 3570F9F0F4410388
2 changed files with 39 additions and 12 deletions
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1
CMakeLists.txt
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@ -369,6 +369,7 @@ if(APPLE)
PRIVATE "-framework OpenGL"
PRIVATE "-framework OpenCL"
PRIVATE "-framework Cocoa"
PRIVATE "-weak_framework MediaRemote -F /System/Library/PrivateFrameworks"
)
endif()

50
src/detection/media/media_apple.m
View File

@ -2,27 +2,58 @@
#include "detection/media/media.h"
#include "common/library.h"
#include "util/apple/cf_helpers.h"
#include "util/apple/osascript.h"
#import <Foundation/Foundation.h>
#import <CoreFoundation/CoreFoundation.h>
void MRMediaRemoteGetNowPlayingInfo(dispatch_queue_t dispatcher, void(^callback)(_Nullable CFDictionaryRef info));
extern void MRMediaRemoteGetNowPlayingInfo(dispatch_queue_t dispatcher, void(^callback)(_Nullable CFDictionaryRef info)) __attribute__((weak_import));
extern void MRMediaRemoteGetNowPlayingClient(dispatch_queue_t dispatcher, void (^callback)(_Nullable id clientObj)) __attribute__((weak_import));
extern CFStringRef MRNowPlayingClientGetBundleIdentifier(id clientObj) __attribute__((weak_import));
extern CFStringRef MRNowPlayingClientGetParentAppBundleIdentifier(id clientObj) __attribute__((weak_import));
static const char* getMedia(FFMediaResult* result)
{
FF_LIBRARY_LOAD(MediaRemote, NULL, "dlopen MediaRemote failed", "/System/Library/PrivateFrameworks/MediaRemote.framework/MediaRemote", -1);
FF_LIBRARY_LOAD_SYMBOL_MESSAGE(MediaRemote, MRMediaRemoteGetNowPlayingInfo);
#define FF_TEST_FN_EXISTANCE(fn) if (!fn) return "MediaRemote function " #fn " is not available"
FF_TEST_FN_EXISTANCE(MRMediaRemoteGetNowPlayingInfo);
FF_TEST_FN_EXISTANCE(MRMediaRemoteGetNowPlayingClient);
FF_TEST_FN_EXISTANCE(MRNowPlayingClientGetBundleIdentifier);
FF_TEST_FN_EXISTANCE(MRNowPlayingClientGetParentAppBundleIdentifier);
#undef FF_TEST_FN_EXISTANCE
dispatch_semaphore_t semaphore = dispatch_semaphore_create(0);
ffMRMediaRemoteGetNowPlayingInfo(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_HIGH, 0), ^(_Nullable CFDictionaryRef info) {
dispatch_group_t group = dispatch_group_create();
dispatch_queue_t queue = dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_HIGH, 0);
dispatch_group_enter(group);
MRMediaRemoteGetNowPlayingInfo(queue, ^(_Nullable CFDictionaryRef info) {
if(info != nil) {
ffCfDictGetString(info, CFSTR("kMRMediaRemoteNowPlayingInfoTitle"), &result->song);
ffCfDictGetString(info, CFSTR("kMRMediaRemoteNowPlayingInfoArtist"), &result->artist);
ffCfDictGetString(info, CFSTR("kMRMediaRemoteNowPlayingInfoAlbum"), &result->album);
}
dispatch_semaphore_signal(semaphore);
dispatch_group_leave(group);
});
dispatch_semaphore_wait(semaphore, DISPATCH_TIME_FOREVER);
dispatch_group_enter(group);
MRMediaRemoteGetNowPlayingClient(queue, ^(_Nullable id clientObj) {
if (clientObj != nil) {
CFStringRef identifier = MRNowPlayingClientGetBundleIdentifier(clientObj);
if (identifier == nil)
identifier = MRNowPlayingClientGetParentAppBundleIdentifier(clientObj);
if (identifier != nil)
ffCfStrGetString(identifier, &result->busNameShort);
}
dispatch_group_leave(group);
});
dispatch_group_wait(group, DISPATCH_TIME_FOREVER);
if(result->busNameShort.length > 0)
{
char buf[128];
snprintf(buf, sizeof(buf), "name of app id \"%s\"", result->busNameShort.chars);
ffOsascript(buf, &result->player);
}
if(result->song.length > 0)
return NULL;
@ -35,9 +66,4 @@ void ffDetectMediaImpl(const FFinstance* instance, FFMediaResult* media)
FF_UNUSED(instance)
const char* error = getMedia(media);
ffStrbufAppendS(&media->error, error);
//TODO: proper detection
//I already set it here, because the player module expects it to be set if the error is not set
if(error == NULL)
ffStrbufAppendS(&media->player, "Media Player");
}