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 "libavutil/mem_internal.h" 28 29 #include "avcodec.h" 30 #include "hpeldsp.h" 31 #include "me_cmp.h" 32 #include "mpegvideo.h" 33 #include "put_bits.h" 34 35 typedef struct SVQ1EncContext { 36 /* FIXME: Needed for motion estimation, should not be used for anything 37 * else, the idea is to make the motion estimation eventually independent 38 * of MpegEncContext, so this will be removed then. */ 39 MpegEncContext m; 40 AVCodecContext *avctx; 41 MECmpContext mecc; 42 HpelDSPContext hdsp; 43 AVFrame *current_picture; 44 AVFrame *last_picture; 45 PutBitContext pb; 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