From d90e7cb1937c4903fcfe5593a6a59be52763f235 Mon Sep 17 00:00:00 2001
From: deva <deva>
Date: Mon, 10 Apr 2006 13:21:12 +0000
Subject: *** empty log message ***

---
 lib/libdv_wrapper.cc | 101 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 101 insertions(+)
 create mode 100644 lib/libdv_wrapper.cc

(limited to 'lib/libdv_wrapper.cc')

diff --git a/lib/libdv_wrapper.cc b/lib/libdv_wrapper.cc
new file mode 100644
index 0000000..d570e2c
--- /dev/null
+++ b/lib/libdv_wrapper.cc
@@ -0,0 +1,101 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/***************************************************************************
+ *            libdv_wrapper.cc
+ *
+ *  Mon Apr 10 11:20:18 CEST 2006
+ *  Copyright  2006 Bent Bisballe Nyeng
+ *  deva@aasimon.org
+ ****************************************************************************/
+
+/*
+ *  This file is part of MIaV.
+ *
+ *  MIaV is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  MIaV is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with MIaV; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA.
+ */
+#include "libdv_wrapper.h"
+
+static bool first = true;
+
+LibDVWrapper::LibDVWrapper(DV::Quality quality,
+                           DV::System system,
+                           DV::Sampling sampling)
+{
+	decoder = dv_decoder_new(FALSE, // int ignored
+                           FALSE, // int clamp_luma
+                           FALSE);// int clamp_chroma
+  setQuality(quality);
+  setSystem(system);
+  setSampling(sampling);
+
+  width = 720;
+  height = 576;
+}
+
+
+LibDVWrapper::~LibDVWrapper()
+{
+  dv_decoder_free(decoder);
+}
+
+void LibDVWrapper::setQuality(DV::Quality quality)
+{
+  dv_set_quality(decoder, quality);
+}
+
+void LibDVWrapper::setSystem(DV::System system)
+{
+  decoder->system = (dv_system_t)system;
+}
+
+void LibDVWrapper::setSampling(DV::Sampling sampling)
+{
+  decoder->sampling = (dv_sample_t)sampling;
+}
+
+void LibDVWrapper::setOutputBuffer(char *output)
+{
+#ifdef COLORSPACE_YV12
+    yuv[0] = (unsigned char*)output;
+    yuv[1] = (unsigned char*)yuv[0] + (width * height);
+    yuv[2] = (unsigned char*)yuv[1] + (width * height / 4);
+    pitches[0] = width;
+    pitches[1] = width / 2;
+    pitches[2] = width / 2;
+#else
+    yuv[0] = (unsigned char*)output;//render.getDisplayData(); // Decode directly to the XVideo buffer
+    pitches[0] = width * 2;
+#endif
+}
+
+void LibDVWrapper::decode(char *input)
+{
+  if(first) {
+    dv_parse_header(decoder, (const uint8_t*)input);
+    //dv_parse_packs(decoder, frame->data); // Not needed anyway!
+    
+    //    decoder->system = e_dv_system_625_50;  // PAL lines, PAL framerate
+    //    decoder->sampling = e_dv_sample_422;  // 4 bytes y, 2 bytes u, 2 bytes v
+    decoder->std = e_dv_std_iec_61834;
+    decoder->num_dif_seqs = 12;
+    first = false;
+  }
+
+  dv_decode_full_frame(decoder,
+                       (const uint8_t*)input,
+                       e_dv_color_yuv,
+                       yuv,
+                       pitches);
+}
+
-- 
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