avcodec/vbndec: add VBN decoder

Add support for decoding Vizrt Binary Image (VBN) files.

LZW-compressed data is not supported yet.

Signed-off-by: Marton Balint <cus@passwd.hu>

1 files changed, 50 insertions, 0 deletions

diff --git a/libavcodec/vbn.h b/libavcodec/vbn.h
new file mode 100644
index 0000000000..8660786de8
--- /dev/null
+++ b/libavcodec/vbn.h
@@ -0,0 +1,50 @@
+/*
+ * VBN format definitions
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+/**
+ * @file
+ * VBN format definitions.
+ */
+
+#ifndef AVCODEC_VBN_H
+#define AVCODEC_VBN_H
+
+#define VBN_MAGIC          0x900df11e
+#define VBN_MAJOR                   3
+#define VBN_MINOR                   4
+
+#define VBN_HEADER_SIZE           192
+
+#define VBN_FORMAT_RAW              0
+#define VBN_FORMAT_LZ               1
+#define VBN_FORMAT_DXT1             2
+#define VBN_FORMAT_DXT5             3
+
+#define VBN_COMPRESSION_NONE        0
+#define VBN_COMPRESSION_LZW     0x100
+
+#define VBN_PIX_ALPHA               0
+#define VBN_PIX_LUMINANCE           1
+#define VBN_PIX_LUMINANCE_ALPHA     2
+#define VBN_PIX_RGB                 3
+#define VBN_PIX_RGBA                5
+#define VBN_PIX_INDEX               6
+
+#endif /* AVCODEC_VBN_H */