split SVQ1 decoder and encoder in their own files

Originally committed as revision 9507 to svn://svn.ffmpeg.org/ffmpeg/trunk

1 files changed, 61 insertions, 0 deletions

diff --git a/libavcodec/svq1.h b/libavcodec/svq1.h
new file mode 100644
index 0000000000..e0930bf9a8
--- /dev/null
+++ b/libavcodec/svq1.h
@@ -0,0 +1,61 @@
+/*
+ * SVQ1 decoder
+ * ported to MPlayer by Arpi <arpi@thot.banki.hu>
+ * ported to libavcodec by Nick Kurshev <nickols_k@mail.ru>
+ *
+ * Copyright (C) 2002 the xine project
+ * Copyright (C) 2002 the ffmpeg project
+ *
+ * SVQ1 Encoder (c) 2004 Mike Melanson <melanson@pcisys.net>
+ *
+ * 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 svq1.h
+ * Sorenson Vector Quantizer #1 (SVQ1) video codec.
+ * For more information of the SVQ1 algorithm, visit:
+ *   http://www.pcisys.net/~melanson/codecs/
+ */
+
+#ifndef AVCODEC_SVQ1_H
+#define AVCODEC_SVQ1_H
+
+#include <stdint.h>
+
+#define SVQ1_BLOCK_SKIP         0
+#define SVQ1_BLOCK_INTER        1
+#define SVQ1_BLOCK_INTER_4V     2
+#define SVQ1_BLOCK_INTRA        3
+
+typedef struct {
+    int width;
+    int height;
+} svq1_frame_size_t;
+
+extern const int8_t* const ff_svq1_inter_codebooks[6];
+extern const int8_t* const ff_svq1_intra_codebooks[6];
+
+extern const uint8_t ff_svq1_block_type_vlc[4][2];
+extern const uint8_t ff_svq1_intra_multistage_vlc[6][8][2];
+extern const uint8_t ff_svq1_inter_multistage_vlc[6][8][2];
+extern const uint16_t ff_svq1_intra_mean_vlc[256][2];
+extern const uint16_t ff_svq1_inter_mean_vlc[512][2];
+
+extern svq1_frame_size_t ff_svq1_frame_size_table[8];
+
+#endif /* AVCODEC_SVQ1_H */