Files
panopainter/src/objc_utils.cpp
2019-08-11 20:57:26 +02:00

337 lines
12 KiB
C++

#include "pch.h"
#include "objc_utils.h"
#include "log.h"
#include "app.h"
#include <atomic>
#include <iomanip>
#include <ctime>
#include <sstream>
#ifdef __OBJC__
#import <Photos/Photos.h>
@implementation PathWithModDate
@end
@implementation ObjcUtils
+ (NSArray*)getFilesAtPathSortedByModificationDate:(NSString*)folderPath
{
NSArray *allPaths = [NSFileManager.defaultManager contentsOfDirectoryAtPath:folderPath error:nil];
NSMutableArray *sortedPaths = [NSMutableArray new];
for (NSString *path in allPaths) {
NSString *fullPath = [folderPath stringByAppendingPathComponent:path];
NSDictionary *attr = [NSFileManager.defaultManager attributesOfItemAtPath:fullPath error:nil];
NSDate *modDate = [attr objectForKey:NSFileModificationDate];
PathWithModDate *pathWithDate = [[PathWithModDate alloc] init];
pathWithDate.path = fullPath;
pathWithDate.modDate = modDate;
[sortedPaths addObject:pathWithDate];
}
[sortedPaths sortUsingComparator:^(PathWithModDate *path1, PathWithModDate *path2) {
// Descending (most recently modified first)
return [path2.modDate compare:path1.modDate];
}];
return sortedPaths;
}
@end
#endif
std::string base_address;
std::atomic_flag handler_executed;
void save_recovery()
{
auto t = std::time(nullptr);
auto tm = *std::localtime(&t);
std::ostringstream oss;
oss << std::put_time(&tm, "%d-%m-%Y %H-%M-%S");
auto path = App::I->data_path + "/" + App::I->doc_name + "-recovery (" + oss.str() + ").ppi";
if (App::I->canvas && App::I->canvas->m_canvas)
App::I->canvas->m_canvas->project_save_thread(path, false);
}
void exception_handler(NSException *exception)
{
if (handler_executed.test_and_set())
exit(0);
LOG("exception %s\n", [[exception name] cStringUsingEncoding:NSUTF8StringEncoding]);
NSString* callstack = [[NSThread callStackSymbols] componentsJoinedByString:@"\n"];
LOG("base:\n%s\ncallstack:\n%s", base_address.c_str(), [callstack cStringUsingEncoding:NSUTF8StringEncoding]);
save_recovery();
uinstall_global_handlers();
//exit(0);
}
static void signal_handler (int signo) {
if (handler_executed.test_and_set())
exit(0);
LOG("signal %d\n", signo);
NSString* callstack = [[NSThread callStackSymbols] componentsJoinedByString:@"\n"];
LOG("base:\n%s\ncallstack:\n%s", base_address.c_str(), [callstack cStringUsingEncoding:NSUTF8StringEncoding]);
save_recovery();
uinstall_global_handlers();
//exit(0);
}
void SignalHandler(int sig, siginfo_t *info, void *context)
{
save_recovery();
//exit(0);
}
void TerminateHandler()
{
save_recovery();
//exit(0);
}
void uinstall_global_handlers()
{
signal(SIGABRT, SIG_DFL);
signal(SIGILL, SIG_DFL);
signal(SIGSEGV, SIG_DFL);
signal(SIGFPE, SIG_DFL);
signal(SIGBUS, SIG_DFL);
signal(SIGPIPE, SIG_DFL);
}
void install_global_handlers()
{
NSString* callstack = [[NSThread callStackSymbols] componentsJoinedByString:@"\n"];
base_address = [callstack cStringUsingEncoding:NSUTF8StringEncoding];
NSSetUncaughtExceptionHandler(exception_handler);
signal(SIGABRT, signal_handler);
signal(SIGILL, signal_handler);
signal(SIGSEGV, signal_handler);
signal(SIGFPE, signal_handler);
signal(SIGBUS, signal_handler);
signal(SIGPIPE, signal_handler);
signal(SIGQUIT, signal_handler);
signal(SIGTRAP, signal_handler);
signal(SIGEMT, signal_handler);
signal(SIGSYS, signal_handler);
signal(SIGALRM, signal_handler);
signal(SIGXCPU, signal_handler);
signal(SIGXFSZ, signal_handler);
/*
struct sigaction mySigAction;
mySigAction.sa_sigaction = SignalHandler;
mySigAction.sa_flags = SA_SIGINFO;
sigemptyset(&mySigAction.sa_mask);
sigaction(SIGQUIT, &mySigAction, NULL);
sigaction(SIGILL, &mySigAction, NULL);
sigaction(SIGTRAP, &mySigAction, NULL);
sigaction(SIGABRT, &mySigAction, NULL);
sigaction(SIGEMT, &mySigAction, NULL);
sigaction(SIGFPE, &mySigAction, NULL);
sigaction(SIGBUS, &mySigAction, NULL);
sigaction(SIGSEGV, &mySigAction, NULL);
sigaction(SIGSYS, &mySigAction, NULL);
sigaction(SIGPIPE, &mySigAction, NULL);
sigaction(SIGALRM, &mySigAction, NULL);
sigaction(SIGXCPU, &mySigAction, NULL);
sigaction(SIGXFSZ, &mySigAction, NULL);
std::set_terminate(TerminateHandler);
*/
}
void delete_all_files_in_path(const std::string& source_path)
{
NSString *path = [NSString stringWithUTF8String:source_path.c_str()];
NSDirectoryEnumerator* en = [[NSFileManager defaultManager] enumeratorAtPath:path];
LOG("delete all files from %s", source_path.c_str());
while (NSString* file = [en nextObject])
{
NSString* file_path = [path stringByAppendingPathComponent:file];
[[NSFileManager defaultManager] removeItemAtPath:file_path error:nil];
LOG("delete: %s", [file_path UTF8String]);
}
}
static void stillImageDataReleaseCallback(void *releaseRefCon, const void *baseAddress)
{
free((void *)baseAddress);
}
void export_mp4(const std::string& rec_path, int width, int height, int tot, void(^progress_callback)(float))
{
int progress = 0;
NSString* mov_path = [NSString stringWithFormat:@"%s/out.mp4", rec_path.c_str()];
if ([[NSFileManager defaultManager] fileExistsAtPath:mov_path])
{
NSLog(@"remove existing mp4");
[[NSFileManager defaultManager] removeItemAtPath:mov_path error:nil];
}
NSURL* url = [NSURL fileURLWithPath:[NSString stringWithFormat:@"%s/out.mp4", rec_path.c_str()]];
AVAssetWriter* writer = [AVAssetWriter assetWriterWithURL:url fileType:AVFileTypeMPEG4 error:nil];
writer.shouldOptimizeForNetworkUse = NO;
NSDictionary *videoCompressionSettings = @{
AVVideoCodecKey : AVVideoCodecH264,
AVVideoWidthKey : @(width),
AVVideoHeightKey : @(height),
AVVideoCompressionPropertiesKey : @{ AVVideoAverageBitRateKey : @(8<<20) }
};
if (![writer canApplyOutputSettings:videoCompressionSettings forMediaType:AVMediaTypeVideo])
{
NSLog(@"Couldn't add asset writer video input.");
return;
}
AVAssetWriterInput* input = [AVAssetWriterInput assetWriterInputWithMediaType:AVMediaTypeVideo
outputSettings:videoCompressionSettings
sourceFormatHint:nil];
input.expectsMediaDataInRealTime = YES;
NSDictionary *adaptorDict = @{
(id)kCVPixelBufferPixelFormatTypeKey : @(kCVPixelFormatType_32BGRA),
(id)kCVPixelBufferWidthKey : @(width),
(id)kCVPixelBufferHeightKey : @(height)
};
AVAssetWriterInputPixelBufferAdaptor* _pixelBufferAdaptor = [[AVAssetWriterInputPixelBufferAdaptor alloc]
initWithAssetWriterInput:input
sourcePixelBufferAttributes:adaptorDict];
// Add asset writer input to asset writer
if (![writer canAddInput:input]) {
NSLog(@"Couldn't add input to writer.");
return;
}
[writer addInput:input];
CMTime t;
t.timescale = 30;
t.flags = kCMTimeFlags_Valid;
t.epoch = 0;
t.value = 0;
//[writer startSessionAtSourceTime:t];
CVPixelBufferRef buff = NULL;
uint8_t* data = (uint8_t*)calloc(1, width * height * 4);
CVPixelBufferCreateWithBytes(kCFAllocatorDefault, width, height, kCVPixelFormatType_32RGBA, data,
width * 4, stillImageDataReleaseCallback, nil, nil, &buff);
OSStatus err = CVPixelBufferPoolCreatePixelBuffer(nil, _pixelBufferAdaptor.pixelBufferPool, &buff);
if (writer.status == AVAssetWriterStatusUnknown)
{
// If the asset writer status is unknown, implies writing hasn't started yet, hence start writing with start time as the buffer's presentation timestamp
if ([writer startWriting])
{
[writer startSessionAtSourceTime:t];
}
}
if (writer.status == AVAssetWriterStatusWriting)
{
for (int i = 0; i < tot; i++)
{
// If the asset writer status is writing, append sample buffer to its corresponding asset writer input
if (input.readyForMoreMediaData)
{
char path[256];
snprintf(path, sizeof(path), "%s/%04d.jpg", rec_path.c_str(), i);
NSString* img_path = [NSString stringWithUTF8String:path];
NSLog(@"frame: %@", img_path);
#if __OSX__
NSImage *image = [[NSImage alloc] initWithContentsOfFile:img_path];
if (!image)
break;
NSRect imageRect = NSMakeRect(0, 0, image.size.width, image.size.height);
CGImageRef cgImage = [image CGImageForProposedRect:&imageRect context:NULL hints:nil];
#elif __IOS__
UIImage* image = [UIImage imageNamed:img_path];
if (!image)
break;
CGImageRef cgImage = image.CGImage;
#endif
NSDictionary *options = [NSDictionary dictionaryWithObjectsAndKeys:
[NSNumber numberWithBool:YES], kCVPixelBufferCGImageCompatibilityKey,
[NSNumber numberWithBool:YES], kCVPixelBufferCGBitmapContextCompatibilityKey, nil];
CGSize sz = image.size;
CVPixelBufferRef pxbuffer = NULL;
{
CGImageRef image = cgImage;
CGSize size = sz;
CVReturn status = CVPixelBufferCreate(kCFAllocatorDefault, size.width, size.height, kCVPixelFormatType_32ARGB, (__bridge CFDictionaryRef) options, &pxbuffer);
// CVReturn status = CVPixelBufferPoolCreatePixelBuffer(NULL, adaptor.pixelBufferPool, &pxbuffer);
//NSParameterAssert(status == kCVReturnSuccess && pxbuffer != NULL);
CVPixelBufferLockBaseAddress(pxbuffer, 0);
void *pxdata = CVPixelBufferGetBaseAddress(pxbuffer);
//NSParameterAssert(pxdata != NULL);
CGColorSpaceRef rgbColorSpace = CGColorSpaceCreateDeviceRGB();
CGContextRef context = CGBitmapContextCreate(pxdata, size.width, size.height, 8, 4*size.width, rgbColorSpace, kCGImageAlphaPremultipliedFirst);
//NSParameterAssert(context);
CGContextDrawImage(context, CGRectMake(0, 0, CGImageGetWidth(image), CGImageGetHeight(image)), image);
CGColorSpaceRelease(rgbColorSpace);
CGContextRelease(context);
CVPixelBufferUnlockBaseAddress(pxbuffer, 0);
}
t.value = i;
if (![_pixelBufferAdaptor appendPixelBuffer:pxbuffer withPresentationTime:t])
{
NSLog(@"error %@", [writer.error localizedFailureReason]);
}
CFRelease(pxbuffer);
progress++;
progress_callback((float)progress / tot * 100.f);
}
}
[input markAsFinished];
[writer finishWritingWithCompletionHandler:^{
NSString* path = [NSString stringWithFormat:@"%s/out.mp4", rec_path.c_str()];
NSLog(@"saved video %@", path);
#if __IOS__
if (UIVideoAtPathIsCompatibleWithSavedPhotosAlbum(path))
{
NSLog(@"saving to camera roll");
UISaveVideoAtPathToSavedPhotosAlbum(path, nil, nil, nil);
}
#endif
}];
}
if (writer.status == AVAssetWriterStatusFailed)
{
NSLog(@"failed");
}
}
void save_image_library(const std::string& path)
{
#if __IOS__
[[PHPhotoLibrary sharedPhotoLibrary] performChanges:^{
NSURL* url = [NSURL fileURLWithPath:[NSString stringWithUTF8String:path.c_str()]];
PHAssetChangeRequest *changeRequest = [PHAssetChangeRequest creationRequestForAssetFromImageAtFileURL:url];
changeRequest.creationDate = [NSDate date];
} completionHandler:^(BOOL success, NSError *error) {
if (success) {
NSLog(@"successfully saved");
}
else {
NSLog(@"error saving to photos: %@", error);
}
}];
#endif
}