ssize_t vmware3_image_t::write(const void * buf, size_t count)
{
ssize_t total = 0;
while(count > 0)
{
off_t offset = perform_seek();
if(offset == INVALID_OFFSET)
return -1;
unsigned bytes_remaining = (unsigned)(tlb_size - offset);
unsigned amount = 0;
current->synced = false;
if(bytes_remaining > count)
{
memcpy(current->tlb + offset, buf, count);
amount = count;
}
else
{
memcpy(current->tlb + offset, buf, bytes_remaining);
if(!sync())
{
BX_DEBUG(("failed to sync when writing %u bytes", (unsigned)count));
return -1;
}
amount = bytes_remaining;
}
requested_offset += amount;
total += amount;
count -= amount;
}
return total;
}
ssize_t vmware3_image_t::read(void * buf, size_t count)
{
ssize_t total = 0;
while(count > 0)
{
off_t offset = perform_seek();
if(offset == INVALID_OFFSET)
{
BX_DEBUG(("vmware3 COW read failed on %u bytes", (unsigned)count));
return -1;
}
unsigned bytes_remaining = (unsigned)(tlb_size - offset);
unsigned amount = (bytes_remaining > count) ? count : bytes_remaining;
memcpy(buf, current->tlb + offset, amount);
requested_offset += amount;
total += amount;
count -= amount;
}
return total;
}
void Scheduler::run()
{
avlock.lock();
auto event = next_event();
avlock.unlock();
if (!is_active)
{
sync_sleep(0.01);
return;
}
show_info();
switch (event)
{
case EventHandler::Event::Quit:
is_active = false;
video_thread_active = false;
audio_thread_active = false;
return;
case EventHandler::Event::Pause:
pause_toggle();
break;
case EventHandler::Event::SeekBack10:
perform_seek(-3.0);
break;
case EventHandler::Event::SeekForward10:
perform_seek(3.0);
break;
case EventHandler::Event::SeekBack60:
perform_seek(-30.0);
break;
case EventHandler::Event::SeekForward60:
perform_seek(30.0);
break;
case EventHandler::Event::Fullscreen:
if (video_thread_active)
video->toggle_fullscreen();
break;
case EventHandler::Event::None:
break;
default:
throw std::runtime_error("Unknown event popped up :V\n");
}
if (is_paused)
{
sync_sleep(0.01);
return;
}
Packet pkt;
Packet::Type type = file->packet(pkt);
switch(type)
{
case Packet::Type::Error:
is_active = false;
// Signal to threads that there won't be any more data.
aud_pkt_queue.finalize();
vid_pkt_queue.finalize();
return;
case Packet::Type::None:
return;
case Packet::Type::Audio:
while (aud_pkt_queue.size() > 16 && (vid_pkt_queue.size() > 16 || !has_video))
aud_pkt_queue.wait();
aud_pkt_queue.push(std::move(pkt));
break;
case Packet::Type::Video:
while (vid_pkt_queue.size() > 16 && (aud_pkt_queue.size() > 16 || !has_audio))
vid_pkt_queue.wait();
vid_pkt_queue.push(std::move(pkt));
break;
case Packet::Type::Subtitle:
while (sub_pkt_queue.size() > 64 && (aud_pkt_queue.size() > 16 || !has_audio) && (vid_pkt_queue.size() > 16 || !has_video))
sub_pkt_queue.wait();
sub_pkt_queue.push(std::move(pkt));
break;
default:
throw std::runtime_error("What kind of package is this? o.o\n");
}
}
