lavc: split asv12 encoder/decoder

1 files changed, 67 insertions, 0 deletions

diff --git a/libavcodec/asv.h b/libavcodec/asv.h
new file mode 100644
index 0000000000..3440f93bc2
--- /dev/null
+++ b/libavcodec/asv.h
@@ -0,0 +1,67 @@
+/*
+ * Copyright (c) 2003 Michael Niedermayer
+ *
+ * This file is part of Libav.
+ *
+ * Libav 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.
+ *
+ * Libav 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 Libav; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+/**
+ * @file
+ * ASUS V1/V2 encoder/decoder common data.
+ */
+
+#ifndef AVCODEC_ASV_H
+#define AVCODEC_ASV_H
+
+#include <stdint.h>
+
+#include "libavutil/attributes.h"
+#include "libavutil/mem.h"
+
+#include "avcodec.h"
+#include "dsputil.h"
+#include "get_bits.h"
+#include "put_bits.h"
+
+typedef struct ASV1Context{
+    AVCodecContext *avctx;
+    DSPContext dsp;
+    AVFrame picture;
+    PutBitContext pb;
+    GetBitContext gb;
+    ScanTable scantable;
+    int inv_qscale;
+    int mb_width;
+    int mb_height;
+    int mb_width2;
+    int mb_height2;
+    DECLARE_ALIGNED(16, DCTELEM, block)[6][64];
+    uint16_t intra_matrix[64];
+    int q_intra_matrix[64];
+    uint8_t *bitstream_buffer;
+    unsigned int bitstream_buffer_size;
+} ASV1Context;
+
+extern const uint8_t ff_asv_scantab[64];
+extern const uint8_t ff_asv_ccp_tab[17][2];
+extern const uint8_t ff_asv_level_tab[7][2];
+extern const uint8_t ff_asv_dc_ccp_tab[8][2];
+extern const uint8_t ff_asv_ac_ccp_tab[16][2];
+extern const uint8_t ff_asv2_level_tab[63][2];
+
+av_cold void ff_asv_common_init(AVCodecContext *avctx);
+
+#endif /* AVCODEC_ASV_H */