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  1. /*
  2.  * SVQ1 encoder
  3.  *
  4.  * This file is part of FFmpeg.
  5.  *
  6.  * FFmpeg is free software; you can redistribute it and/or
  7.  * modify it under the terms of the GNU Lesser General Public
  8.  * License as published by the Free Software Foundation; either
  9.  * version 2.1 of the License, or (at your option) any later version.
  10.  *
  11.  * FFmpeg is distributed in the hope that it will be useful,
  12.  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14.  * Lesser General Public License for more details.
  15.  *
  16.  * You should have received a copy of the GNU Lesser General Public
  17.  * License along with FFmpeg; if not, write to the Free Software
  18.  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  19.  */
  20.  
  21. #ifndef AVCODEC_SVQ1ENC_H
  22. #define AVCODEC_SVQ1ENC_H
  23.  
  24. #include <stdint.h>
  25.  
  26. #include "libavutil/frame.h"
  27. #include "avcodec.h"
  28. #include "get_bits.h"
  29. #include "hpeldsp.h"
  30. #include "me_cmp.h"
  31. #include "mpegvideo.h"
  32. #include "put_bits.h"
  33.  
  34. typedef struct SVQ1EncContext {
  35.     /* FIXME: Needed for motion estimation, should not be used for anything
  36.      * else, the idea is to make the motion estimation eventually independent
  37.      * of MpegEncContext, so this will be removed then. */
  38.     MpegEncContext m;
  39.     AVCodecContext *avctx;
  40.     MECmpContext mecc;
  41.     HpelDSPContext hdsp;
  42.     AVFrame *current_picture;
  43.     AVFrame *last_picture;
  44.     PutBitContext pb;
  45.     GetBitContext gb;
  46.  
  47.     /* Some compression statistics */
  48.     enum AVPictureType pict_type;
  49.     int quality;
  50.  
  51.     /* why ooh why this sick breadth first order,
  52.      * everything is slower and more complex */
  53.     PutBitContext reorder_pb[6];
  54.  
  55.     int frame_width;
  56.     int frame_height;
  57.  
  58.     /* Y plane block dimensions */
  59.     int y_block_width;
  60.     int y_block_height;
  61.  
  62.     /* U & V plane (C planes) block dimensions */
  63.     int c_block_width;
  64.     int c_block_height;
  65.  
  66.     DECLARE_ALIGNED(16, int16_t, encoded_block_levels)[6][7][256];
  67.  
  68.     uint16_t *mb_type;
  69.     uint32_t *dummy;
  70.     int16_t (*motion_val8[3])[2];
  71.     int16_t (*motion_val16[3])[2];
  72.  
  73.     int64_t rd_total;
  74.  
  75.     uint8_t *scratchbuf;
  76.  
  77.     int motion_est;
  78.  
  79.     int (*ssd_int8_vs_int16)(const int8_t *pix1, const int16_t *pix2,
  80.                              intptr_t size);
  81. } SVQ1EncContext;
  82.  
  83. void ff_svq1enc_init_ppc(SVQ1EncContext *c);
  84. void ff_svq1enc_init_x86(SVQ1EncContext *c);
  85.  
  86. #endif /* AVCODEC_SVQ1ENC_H */
  87.