void vbuf_add(vbuf_t v, int i_data, void *p_data)
{
if (i_data + v.i_data >= v.i_data_max)
{
v.i_data_max += i_data;
v.p_data = (byte *)Marshal.ReAllocHGlobal(new IntPtr(v.p_data), new IntPtr(v.i_data_max)).ToPointer();
}
memcpy(&v.p_data[v.i_data], p_data, (uint)i_data);
v.i_data += i_data;
}
void avi_write(avi_t a, vbuf_t v, int b_key)
{
int i = 0;
if (!a.f.CanWrite)
{
return;
}
long i_pos = a.f.Position;
/* chunk header */
avi_write_fourcc(a, "00dc");
avi_write_uint32(a, (uint)v.i_data);
byte[] buffer = new byte[v.i_data * 1];
Marshal.Copy(new IntPtr(v.p_data), buffer, 0, buffer.Length);
a.f.Write(buffer, 0, buffer.Length);
if ((v.i_data & 0x01) != 0)
{
/* pad */
a.f.WriteByte(0);
}
/* Append idx chunk */
if (a.i_idx_max <= a.i_frame)
{
a.i_idx_max += 1000;
if (a.idx == null)
{
a.idx = (uint *)Marshal.AllocHGlobal(a.i_idx_max * 16).ToPointer();
}
else
{
a.idx = (uint *)Marshal.ReAllocHGlobal(new IntPtr(a.idx), new IntPtr(a.i_idx_max * 16)).ToPointer();
}
}
IntPtr tmpPtr = Marshal.StringToHGlobalAnsi("00dc");
memcpy(&a.idx[4 * a.i_frame + 0], tmpPtr.ToPointer(), 4);
Marshal.FreeHGlobal(tmpPtr);
avi_set_dw(&a.idx[4 * a.i_frame + 1], b_key != 0 ? (int)AVIIF_KEYFRAME : 0);
avi_set_dw(&a.idx[4 * a.i_frame + 2], (int)i_pos);
avi_set_dw(&a.idx[4 * a.i_frame + 3], v.i_data);
a.i_frame++;
}
public CAvcToAvi()
{
cfg = new cfg_t();
cfg.f_fps = 24;
cfg.fcc = "h264";
/* Init data */
b_eof = 0;
b_key = 0;
b_slice = 0;
i_frame = 0;
i_data = 0;
avi = new avi_t();
h264 = new h264_t();
nal = new nal_t();
nal.p_payload = (byte *)Marshal.AllocHGlobal(DATA_MAX).ToPointer();
vb = new vbuf_t();
data = (byte *)Marshal.AllocHGlobal(DATA_MAX).ToPointer();
}
void vbuf_reset(vbuf_t v)
{
v.i_data = 0;
}
void vbuf_init(vbuf_t v)
{
v.i_data = 0;
v.i_data_max = 10000;
v.p_data = (byte *)Marshal.AllocHGlobal(v.i_data_max).ToPointer();
}