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 28 #include "avcodec.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 46 /* Some compression statistics */ 47 enum AVPictureType pict_type; 48 int quality; 49 50 /* why ooh why this sick breadth first order, 51 * everything is slower and more complex */ 52 PutBitContext reorder_pb[6]; 53 54 int frame_width; 55 int frame_height; 56 57 /* Y plane block dimensions */ 58 int y_block_width; 59 int y_block_height; 60 61 /* U & V plane (C planes) block dimensions */ 62 int c_block_width; 63 int c_block_height; 64 65 DECLARE_ALIGNED(16, int16_t, encoded_block_levels)[6][7][256]; 66 67 uint16_t *mb_type; 68 uint32_t *dummy; 69 int16_t (*motion_val8[3])[2]; 70 int16_t (*motion_val16[3])[2]; 71 72 int64_t rd_total; 73 74 uint8_t *scratchbuf; 75 76 int motion_est; 77 78 int (*ssd_int8_vs_int16)(const int8_t *pix1, const int16_t *pix2, 79 intptr_t size); 80 } SVQ1EncContext; 81 82 void ff_svq1enc_init_ppc(SVQ1EncContext *c); 83 void ff_svq1enc_init_x86(SVQ1EncContext *c); 84 85 #endif /* AVCODEC_SVQ1ENC_H */ 86