public void SaveAvi(string input_wav_filename, string output_avi_filename, double start_time, double end_time,
int dest_width, int dest_height, bool is_compress, RunningDelegate dlg)
{
int f_rate = frame_rate_ / 256;
VfwAviWriter avi_writer = new VfwAviWriter(output_avi_filename, frame_rate_ / 256, 1);
bool is_success = false;
try
{
int start_frame = (start_time >= 0.0 ? (int)(start_time * f_rate) : 0);
int end_frame = (end_time >= 0.0 ? (int)(Math.Ceiling(end_time * f_rate)) : frame_count_) - 1;
if (end_frame >= frame_count_)
{
end_frame = frame_count_ - 1;
}
for (int i = start_frame; i <= end_frame; ++i)
{
Bitmap bitmap = GetFrame(i, dest_width, dest_height);
avi_writer.AddFrame(bitmap);
bitmap.Dispose();
}
if (input_wav_filename != "")
{
avi_writer.AddWave(input_wav_filename);
}
is_success = true;
}
finally
{
avi_writer.Close();
if (!is_success)
{
if (File.Exists(output_avi_filename))
{
try
{
File.Delete(output_avi_filename);
}
catch (Exception) { }
}
}
}
}
private void RecThread()
{
bool is_first_time = true;
AppendInfo("録画待機\r\n");
int last_reced_frame = -1;
int start = System.Environment.TickCount + (int)(start_sec_ * 1000.0);
int counter = 0;
using (Bitmap temp_bmp = new Bitmap(swf_width_, swf_height_))
using (Graphics temp_graphics = Graphics.FromImage(temp_bmp))
{
while (true)
{
if (is_stopping_)
{
AppendInfo("録画を中止しました\r\n");
SetStartButtonText("スタート");
main_form_.SetTitle(old_title_);
is_rec_ = false;
is_stopping_ = false;
return;
}
int time = Environment.TickCount - start;
if (is_first_time) // start_sec_ 秒だけ飛ばす
{
if (time >= 0)
{
is_first_time = false;
AppendInfo("録画開始\r\n");
}
else
{
continue;
}
}
if (time * frame_rate_ >= (last_reced_frame + 1) * 1000.0)
{
if (time >= duration_ * 1000) // duration_ 秒を超えると終了
{
break;
}
if (time > counter)
{
AppendInfo(".");
counter += 1000;
}
int frame = (int)(time * frame_rate_ / 1000.0);
temp_graphics.CopyFromScreen(flash_left_top_, new Point(0, 0), new Size(swf_width_, swf_height_));
Bitmap bmp = new Bitmap(output_width_, output_height_, System.Drawing.Imaging.PixelFormat.Format24bppRgb);
using (Graphics g = Graphics.FromImage(bmp))
{
g.DrawImage(temp_bmp, new Rectangle(0, 0, output_width_, output_height_), new Rectangle(0, 0, swf_width_, swf_height_), GraphicsUnit.Pixel);
}
while (frame - last_reced_frame > 1)
{
bmp_list_.Add(null); // コマ落ち
++last_reced_frame;
}
bmp_list_.Add(bmp);
last_reced_frame = frame;
if (frame >= end_frame_ - 1)
{
break;
}
}
Thread.Sleep(1);
}
}
is_stopping_ = false;
AppendInfo("\r\nファイルに保存しています\r\n");
VfwAviWriter avi_writer = new VfwAviWriter(output_avi_filename_, (int)frame_rate_, 1);
int last_pic_index;
for (last_pic_index = 0; last_pic_index < bmp_list_.Count; ++last_pic_index)
{
if (bmp_list_[last_pic_index] != null)
{
break;
}
}
for (int i = last_pic_index; i < bmp_list_.Count; ++i)
{
if (bmp_list_[i] != null)
{
avi_writer.AddFrame(bmp_list_[i]);
last_pic_index = i;
}
else
{
avi_writer.AddFrame(bmp_list_[last_pic_index]);
}
}
avi_writer.Close();
main_form_.SetTitle(old_title_);
AppendInfo("保存しました\r\n");
AppendInfo("終了しました\r\n");
SetStartButtonText("スタート");
is_rec_ = false;
}
