2003-07-29 16:15:28 +02:00
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/*
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* XVideo Motion Compensation
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* Copyright (c) 2003 Ivan Kalvachev
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*
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2006-10-07 17:30:46 +02:00
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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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2003-07-29 16:15:28 +02:00
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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2006-10-07 17:30:46 +02:00
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* version 2.1 of the License, or (at your option) any later version.
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2003-07-29 16:15:28 +02:00
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*
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2006-10-07 17:30:46 +02:00
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* FFmpeg is distributed in the hope that it will be useful,
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2003-07-29 16:15:28 +02:00
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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2006-10-07 17:30:46 +02:00
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* License along with FFmpeg; if not, write to the Free Software
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2006-01-12 23:43:26 +01:00
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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2003-07-29 16:15:28 +02:00
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*/
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2003-07-26 03:28:49 +02:00
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#include <limits.h>
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//avcodec include
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#include "avcodec.h"
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#include "dsputil.h"
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#include "mpegvideo.h"
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#undef NDEBUG
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#include <assert.h>
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2009-02-14 14:37:18 +01:00
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#include "xvmc.h"
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2003-07-29 16:15:28 +02:00
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2003-10-28 00:22:43 +01:00
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//set s->block
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2009-02-14 19:25:41 +01:00
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void ff_xvmc_init_block(MpegEncContext *s)
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2009-02-14 17:14:26 +01:00
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{
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2009-01-02 17:21:22 +01:00
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struct xvmc_render_state * render;
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render = (struct xvmc_render_state*)s->current_picture.data[2];
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2009-02-14 18:04:09 +01:00
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assert(render);
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2009-02-14 19:57:32 +01:00
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if (!render || render->magic != AV_XVMC_RENDER_MAGIC) {
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2003-10-28 00:22:43 +01:00
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assert(0);
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2008-03-31 19:16:51 +02:00
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return;//make sure that this is a render packet
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2003-10-28 00:22:43 +01:00
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}
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2009-02-14 19:57:32 +01:00
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s->block = (DCTELEM *)(render->data_blocks + render->next_free_data_block_num * 64);
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2003-10-28 00:22:43 +01:00
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}
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2009-02-14 19:25:41 +01:00
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void ff_xvmc_pack_pblocks(MpegEncContext *s, int cbp)
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2009-02-14 17:14:26 +01:00
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{
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2009-02-14 17:05:36 +01:00
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int i,j;
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2009-02-14 17:14:26 +01:00
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const int mb_block_count = 4 + (1 << s->chroma_format);
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2003-10-28 00:22:43 +01:00
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2009-02-14 17:14:26 +01:00
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j = 0;
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cbp <<= 12-mb_block_count;
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for (i = 0; i < mb_block_count; i++) {
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2009-02-14 20:00:51 +01:00
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if (cbp & (1 << 11))
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2009-02-14 19:45:44 +01:00
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s->pblocks[i] = (short *)(&s->block[j++]);
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2009-02-14 20:00:51 +01:00
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else
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2009-02-14 17:05:36 +01:00
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s->pblocks[i] = NULL;
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2005-12-22 02:10:11 +01:00
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cbp+=cbp;
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2003-10-28 00:22:43 +01:00
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}
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2003-07-26 03:28:49 +02:00
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}
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2008-03-31 19:16:51 +02:00
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//These functions should be called on every new field and/or frame.
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//They should be safe if they are called a few times for the same field!
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2009-02-14 19:25:41 +01:00
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int ff_xvmc_field_start(MpegEncContext*s, AVCodecContext *avctx)
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2009-02-14 17:14:26 +01:00
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{
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2009-01-02 17:21:22 +01:00
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struct xvmc_render_state * render, * last, * next;
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2003-07-26 03:28:49 +02:00
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2009-02-14 18:04:09 +01:00
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assert(avctx);
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2003-07-29 16:15:28 +02:00
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2009-01-02 17:21:22 +01:00
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render = (struct xvmc_render_state*)s->current_picture.data[2];
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2009-02-14 18:04:09 +01:00
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assert(render);
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2009-02-14 19:57:32 +01:00
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if (!render || render->magic != AV_XVMC_RENDER_MAGIC)
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2003-07-29 16:15:28 +02:00
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return -1;//make sure that this is render packet
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2003-07-26 03:28:49 +02:00
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render->picture_structure = s->picture_structure;
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2009-02-14 19:57:32 +01:00
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render->flags = s->first_field ? 0 : XVMC_SECOND_FIELD;
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2003-07-26 03:28:49 +02:00
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//make sure that all data is drawn by XVMC_end_frame
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2009-02-14 17:22:11 +01:00
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assert(render->filled_mv_blocks_num == 0);
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2003-07-26 03:28:49 +02:00
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render->p_future_surface = NULL;
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2009-02-14 17:23:08 +01:00
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render->p_past_surface = NULL;
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2003-07-26 03:28:49 +02:00
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switch(s->pict_type){
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2008-03-10 00:31:02 +01:00
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case FF_I_TYPE:
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2003-07-26 03:28:49 +02:00
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return 0;// no prediction from other frames
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2008-03-10 00:31:02 +01:00
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case FF_B_TYPE:
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2009-01-02 17:21:22 +01:00
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next = (struct xvmc_render_state*)s->next_picture.data[2];
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2009-02-14 18:04:09 +01:00
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assert(next);
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if (!next)
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2009-02-14 17:14:26 +01:00
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return -1;
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2009-02-14 18:12:25 +01:00
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if (next->magic != AV_XVMC_RENDER_MAGIC)
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2009-02-14 17:14:26 +01:00
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return -1;
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2003-07-26 03:28:49 +02:00
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render->p_future_surface = next->p_surface;
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//no return here, going to set forward prediction
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2008-03-10 00:31:02 +01:00
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case FF_P_TYPE:
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2009-01-02 17:21:22 +01:00
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last = (struct xvmc_render_state*)s->last_picture.data[2];
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2009-02-14 18:04:09 +01:00
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if (!last)// && !s->first_field)
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2003-07-26 03:28:49 +02:00
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last = render;//predict second field from the first
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2009-02-14 18:12:25 +01:00
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if (last->magic != AV_XVMC_RENDER_MAGIC)
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2009-02-14 17:14:26 +01:00
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return -1;
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2003-07-26 03:28:49 +02:00
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render->p_past_surface = last->p_surface;
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return 0;
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2004-03-01 15:55:21 +01:00
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}
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2003-07-26 03:28:49 +02:00
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return -1;
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}
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2009-02-14 19:25:41 +01:00
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void ff_xvmc_field_end(MpegEncContext *s)
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2009-02-14 17:14:26 +01:00
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{
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2009-01-02 17:21:22 +01:00
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struct xvmc_render_state * render;
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render = (struct xvmc_render_state*)s->current_picture.data[2];
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2009-02-14 18:04:09 +01:00
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assert(render);
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2003-07-26 03:28:49 +02:00
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2009-02-14 17:14:26 +01:00
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if (render->filled_mv_blocks_num > 0)
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2003-07-26 03:28:49 +02:00
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ff_draw_horiz_band(s,0,0);
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}
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2009-02-14 19:25:41 +01:00
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void ff_xvmc_decode_mb(MpegEncContext *s)
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2009-02-14 17:14:26 +01:00
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{
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2009-02-14 17:05:36 +01:00
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XvMCMacroBlock * mv_block;
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struct xvmc_render_state * render;
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int i,cbp,blocks_per_mb;
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2003-07-26 03:28:49 +02:00
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2009-02-14 17:05:36 +01:00
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const int mb_xy = s->mb_y * s->mb_stride + s->mb_x;
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2003-07-26 03:28:49 +02:00
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2009-02-14 17:14:26 +01:00
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if (s->encoding) {
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2004-02-25 03:47:53 +01:00
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av_log(s->avctx, AV_LOG_ERROR, "XVMC doesn't support encoding!!!\n");
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2006-10-12 21:57:47 +02:00
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return;
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2003-07-26 03:28:49 +02:00
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}
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//from MPV_decode_mb(),
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/* update DC predictors for P macroblocks */
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if (!s->mb_intra) {
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s->last_dc[0] =
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s->last_dc[1] =
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s->last_dc[2] = 128 << s->intra_dc_precision;
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}
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//MC doesn't skip blocks
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2005-04-24 19:21:11 +02:00
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s->mb_skipped = 0;
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2003-07-26 03:28:49 +02:00
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2008-03-31 19:16:51 +02:00
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// Do I need to export quant when I could not perform postprocessing?
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// Anyway, it doesn't hurt.
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2003-07-26 03:28:49 +02:00
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s->current_picture.qscale_table[mb_xy] = s->qscale;
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//START OF XVMC specific code
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2009-01-02 17:21:22 +01:00
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render = (struct xvmc_render_state*)s->current_picture.data[2];
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2009-02-14 18:04:09 +01:00
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assert(render);
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2009-02-14 18:12:25 +01:00
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assert(render->magic==AV_XVMC_RENDER_MAGIC);
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2003-07-26 03:28:49 +02:00
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assert(render->mv_blocks);
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2003-07-29 16:15:28 +02:00
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2003-07-26 03:28:49 +02:00
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//take the next free macroblock
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2005-12-17 19:14:38 +01:00
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mv_block = &render->mv_blocks[render->start_mv_blocks_num +
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2009-02-14 17:05:36 +01:00
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render->filled_mv_blocks_num ];
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2003-07-26 03:28:49 +02:00
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2009-02-14 17:23:08 +01:00
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mv_block->x = s->mb_x;
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mv_block->y = s->mb_y;
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2003-07-26 03:28:49 +02:00
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mv_block->dct_type = s->interlaced_dct;//XVMC_DCT_TYPE_FRAME/FIELD;
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2009-02-14 20:00:51 +01:00
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if (s->mb_intra) {
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2003-07-26 03:28:49 +02:00
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mv_block->macroblock_type = XVMC_MB_TYPE_INTRA;//no MC, all done
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2009-02-14 20:00:51 +01:00
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} else {
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2003-07-26 03:28:49 +02:00
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mv_block->macroblock_type = XVMC_MB_TYPE_PATTERN;
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2009-02-14 17:14:26 +01:00
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if (s->mv_dir & MV_DIR_FORWARD) {
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2009-02-14 17:22:11 +01:00
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mv_block->macroblock_type |= XVMC_MB_TYPE_MOTION_FORWARD;
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2003-07-26 03:28:49 +02:00
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//pmv[n][dir][xy]=mv[dir][n][xy]
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mv_block->PMV[0][0][0] = s->mv[0][0][0];
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mv_block->PMV[0][0][1] = s->mv[0][0][1];
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mv_block->PMV[1][0][0] = s->mv[0][1][0];
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mv_block->PMV[1][0][1] = s->mv[0][1][1];
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}
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2009-02-14 17:14:26 +01:00
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if (s->mv_dir & MV_DIR_BACKWARD) {
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2009-02-14 17:22:11 +01:00
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mv_block->macroblock_type |= XVMC_MB_TYPE_MOTION_BACKWARD;
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2003-07-26 03:28:49 +02:00
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mv_block->PMV[0][1][0] = s->mv[1][0][0];
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mv_block->PMV[0][1][1] = s->mv[1][0][1];
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mv_block->PMV[1][1][0] = s->mv[1][1][0];
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mv_block->PMV[1][1][1] = s->mv[1][1][1];
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}
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switch(s->mv_type){
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case MV_TYPE_16X16:
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mv_block->motion_type = XVMC_PREDICTION_FRAME;
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break;
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case MV_TYPE_16X8:
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mv_block->motion_type = XVMC_PREDICTION_16x8;
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break;
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case MV_TYPE_FIELD:
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mv_block->motion_type = XVMC_PREDICTION_FIELD;
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2009-02-14 17:14:26 +01:00
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if (s->picture_structure == PICT_FRAME) {
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mv_block->PMV[0][0][1] <<= 1;
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mv_block->PMV[1][0][1] <<= 1;
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mv_block->PMV[0][1][1] <<= 1;
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mv_block->PMV[1][1][1] <<= 1;
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2003-07-26 03:28:49 +02:00
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}
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break;
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case MV_TYPE_DMV:
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mv_block->motion_type = XVMC_PREDICTION_DUAL_PRIME;
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2009-02-14 17:14:26 +01:00
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if (s->picture_structure == PICT_FRAME) {
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2003-07-26 03:28:49 +02:00
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mv_block->PMV[0][0][0] = s->mv[0][0][0];//top from top
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mv_block->PMV[0][0][1] = s->mv[0][0][1]<<1;
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mv_block->PMV[0][1][0] = s->mv[0][0][0];//bottom from bottom
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mv_block->PMV[0][1][1] = s->mv[0][0][1]<<1;
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mv_block->PMV[1][0][0] = s->mv[0][2][0];//dmv00, top from bottom
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mv_block->PMV[1][0][1] = s->mv[0][2][1]<<1;//dmv01
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mv_block->PMV[1][1][0] = s->mv[0][3][0];//dmv10, bottom from top
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mv_block->PMV[1][1][1] = s->mv[0][3][1]<<1;//dmv11
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2009-02-14 20:00:51 +01:00
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} else {
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2003-07-26 03:28:49 +02:00
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mv_block->PMV[0][1][0] = s->mv[0][2][0];//dmv00
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mv_block->PMV[0][1][1] = s->mv[0][2][1];//dmv01
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}
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break;
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default:
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assert(0);
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}
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mv_block->motion_vertical_field_select = 0;
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2008-03-31 19:16:51 +02:00
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//set correct field references
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2009-02-14 17:14:26 +01:00
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if (s->mv_type == MV_TYPE_FIELD || s->mv_type == MV_TYPE_16X8) {
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2009-02-14 20:02:46 +01:00
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mv_block->motion_vertical_field_select |= s->field_select[0][0];
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mv_block->motion_vertical_field_select |= s->field_select[1][0]<<1;
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mv_block->motion_vertical_field_select |= s->field_select[0][1]<<2;
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mv_block->motion_vertical_field_select |= s->field_select[1][1]<<3;
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2003-07-26 03:28:49 +02:00
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}
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}//!intra
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//time to handle data blocks;
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mv_block->index = render->next_free_data_block_num;
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2004-03-01 15:55:21 +01:00
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2003-07-26 03:28:49 +02:00
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blocks_per_mb = 6;
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2009-02-14 17:14:26 +01:00
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if (s->chroma_format >= 2) {
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2009-02-14 19:45:44 +01:00
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blocks_per_mb = 4 + (1 << s->chroma_format);
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2003-07-26 03:28:49 +02:00
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}
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2004-03-01 15:55:21 +01:00
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2004-06-12 18:51:15 +02:00
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// calculate cbp
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cbp = 0;
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2009-02-14 17:14:26 +01:00
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for (i = 0; i < blocks_per_mb; i++) {
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2009-02-14 17:22:11 +01:00
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cbp += cbp;
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2009-02-14 17:14:26 +01:00
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if (s->block_last_index[i] >= 0)
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2004-06-12 18:51:15 +02:00
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cbp++;
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}
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2005-12-17 19:14:38 +01:00
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2009-02-14 17:14:26 +01:00
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if (s->flags & CODEC_FLAG_GRAY) {
|
2009-02-14 20:00:51 +01:00
|
|
|
if (s->mb_intra) {//intra frames are always full chroma block
|
2009-02-14 17:14:26 +01:00
|
|
|
for (i = 4; i < blocks_per_mb; i++) {
|
2003-10-28 00:22:43 +01:00
|
|
|
memset(s->pblocks[i],0,sizeof(short)*8*8);//so we need to clear them
|
2009-02-14 17:14:26 +01:00
|
|
|
if (!render->unsigned_intra)
|
|
|
|
s->pblocks[i][0] = 1 << 10;
|
2003-10-28 00:22:43 +01:00
|
|
|
}
|
2009-02-14 20:00:51 +01:00
|
|
|
} else {
|
2009-02-14 17:14:26 +01:00
|
|
|
cbp &= 0xf << (blocks_per_mb - 4);
|
2008-03-31 19:16:51 +02:00
|
|
|
blocks_per_mb = 4;//luminance blocks only
|
2004-06-12 18:51:15 +02:00
|
|
|
}
|
2003-10-28 00:22:43 +01:00
|
|
|
}
|
2003-07-26 03:28:49 +02:00
|
|
|
mv_block->coded_block_pattern = cbp;
|
2009-02-14 17:14:26 +01:00
|
|
|
if (cbp == 0)
|
2003-07-26 03:28:49 +02:00
|
|
|
mv_block->macroblock_type &= ~XVMC_MB_TYPE_PATTERN;
|
|
|
|
|
2009-02-14 17:14:26 +01:00
|
|
|
for (i = 0; i < blocks_per_mb; i++) {
|
|
|
|
if (s->block_last_index[i] >= 0) {
|
2008-03-31 19:16:51 +02:00
|
|
|
// I do not have unsigned_intra MOCO to test, hope it is OK.
|
2009-02-14 17:14:26 +01:00
|
|
|
if ((s->mb_intra) && (render->idct || (!render->idct && !render->unsigned_intra)))
|
|
|
|
s->pblocks[i][0] -= 1 << 10;
|
|
|
|
if (!render->idct) {
|
2003-10-28 00:22:43 +01:00
|
|
|
s->dsp.idct(s->pblocks[i]);
|
2003-07-26 03:28:49 +02:00
|
|
|
//!!TODO!clip!!!
|
|
|
|
}
|
2003-10-28 00:22:43 +01:00
|
|
|
//copy blocks only if the codec doesn't support pblocks reordering
|
2009-02-14 17:14:26 +01:00
|
|
|
if (s->avctx->xvmc_acceleration == 1) {
|
2009-02-14 19:45:44 +01:00
|
|
|
memcpy(&render->data_blocks[render->next_free_data_block_num*64],
|
2009-02-14 17:05:36 +01:00
|
|
|
s->pblocks[i],sizeof(short)*8*8);
|
2003-10-28 00:22:43 +01:00
|
|
|
}
|
|
|
|
render->next_free_data_block_num++;
|
2003-07-26 03:28:49 +02:00
|
|
|
}
|
|
|
|
}
|
|
|
|
render->filled_mv_blocks_num++;
|
|
|
|
|
2009-02-14 17:23:08 +01:00
|
|
|
assert(render->filled_mv_blocks_num <= render->total_number_of_mv_blocks);
|
2003-07-26 03:28:49 +02:00
|
|
|
assert(render->next_free_data_block_num <= render->total_number_of_data_blocks);
|
|
|
|
|
|
|
|
|
2009-02-14 17:14:26 +01:00
|
|
|
if (render->filled_mv_blocks_num >= render->total_number_of_mv_blocks)
|
2003-07-26 03:28:49 +02:00
|
|
|
ff_draw_horiz_band(s,0,0);
|
|
|
|
}
|