libavcodec/hq_hqa.h
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 /*
  * Canopus HQ/HQA decoder
  *
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  * This file is part of FFmpeg.
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  *
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  * FFmpeg is free software; you can redistribute it and/or
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  * 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.
  *
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  * FFmpeg is distributed in the hope that it will be useful,
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  * 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
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  * License along with FFmpeg; if not, write to the Free Software
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  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 #ifndef AVCODEC_HQ_HQA_H
 #define AVCODEC_HQ_HQA_H
 
 #include <stdint.h>
 
 #include "avcodec.h"
 #include "bytestream.h"
 #include "hq_hqadsp.h"
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 #include "vlc.h"
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 #define NUM_HQ_AC_ENTRIES 746
 #define NUM_HQ_PROFILES   22
 #define NUM_HQ_QUANTS     16
 
 typedef struct HQContext {
     AVCodecContext *avctx;
     HQDSPContext hqhqadsp;
     GetByteContext gbc;
 
     VLC hq_ac_vlc;
     VLC hqa_cbp_vlc;
     DECLARE_ALIGNED(16, int16_t, block)[12][64];
 } HQContext;
 
 typedef struct HQProfile {
     const uint8_t *perm_tab;
     int width, height;
     int num_slices;
     int tab_w, tab_h;
 } HQProfile;
 
 extern const int32_t * const ff_hq_quants[16][2][4];
 extern const HQProfile ff_hq_profile[NUM_HQ_PROFILES];
 
 extern const uint8_t ff_hq_ac_skips[NUM_HQ_AC_ENTRIES];
 extern const int16_t ff_hq_ac_syms [NUM_HQ_AC_ENTRIES];
 
 int ff_hq_init_vlcs(HQContext *c);
 
 #endif /* AVCODEC_HQ_HQA_H */