vl: add motion adaptive deinterlacer
Reviewed-by: Christian König <christian.koenig@amd.com>
This commit is contained in:
Grigori Goronzy
Christian König
parent
f87dfc35bc
commit
af34c3fd10
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@ -155,7 +155,8 @@ C_SOURCES := \
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vl/vl_idct.c \
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vl/vl_mc.c \
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vl/vl_vertex_buffers.c \
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vl/vl_video_buffer.c
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vl/vl_video_buffer.c \
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vl/vl_deint_filter.c
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GENERATED_SOURCES := \
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indices/u_indices_gen.c \
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@ -0,0 +1,490 @@
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/**************************************************************************
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*
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* Copyright 2013 Grigori Goronzy <greg@chown.ath.cx>.
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
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* IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
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* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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**************************************************************************/
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/*
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* References:
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*
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* Lin, S. F., Chang, Y. L., & Chen, L. G. (2003).
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* Motion adaptive interpolation with horizontal motion detection for deinterlacing.
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* Consumer Electronics, IEEE Transactions on, 49(4), 1256-1265.
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*
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* Pei-Yin, C. H. E. N., & Yao-Hsien, L. A. I. (2007).
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* A low-complexity interpolation method for deinterlacing.
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* IEICE transactions on information and systems, 90(2), 606-608.
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*
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*/
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#include <stdio.h>
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#include "pipe/p_context.h"
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#include "tgsi/tgsi_ureg.h"
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#include "util/u_draw.h"
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#include "util/u_memory.h"
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#include "util/u_math.h"
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#include "vl_types.h"
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#include "vl_video_buffer.h"
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#include "vl_vertex_buffers.h"
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#include "vl_deint_filter.h"
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enum VS_OUTPUT
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{
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VS_O_VPOS = 0,
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VS_O_VTEX = 0
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};
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static void *
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create_vert_shader(struct vl_deint_filter *filter)
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{
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struct ureg_program *shader;
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struct ureg_src i_vpos;
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struct ureg_dst o_vpos, o_vtex;
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shader = ureg_create(TGSI_PROCESSOR_VERTEX);
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if (!shader)
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return NULL;
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i_vpos = ureg_DECL_vs_input(shader, 0);
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o_vpos = ureg_DECL_output(shader, TGSI_SEMANTIC_POSITION, VS_O_VPOS);
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o_vtex = ureg_DECL_output(shader, TGSI_SEMANTIC_GENERIC, VS_O_VTEX);
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ureg_MOV(shader, o_vpos, i_vpos);
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ureg_MOV(shader, o_vtex, i_vpos);
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ureg_END(shader);
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return ureg_create_shader_and_destroy(shader, filter->pipe);
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}
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static void *
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create_copy_frag_shader(struct vl_deint_filter *filter, unsigned field)
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{
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struct ureg_program *shader;
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struct ureg_src i_vtex;
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struct ureg_src sampler;
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struct ureg_dst o_fragment;
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struct ureg_dst t_tex;
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shader = ureg_create(TGSI_PROCESSOR_FRAGMENT);
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if (!shader) {
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return NULL;
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}
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t_tex = ureg_DECL_temporary(shader);
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i_vtex = ureg_DECL_fs_input(shader, TGSI_SEMANTIC_GENERIC, VS_O_VTEX, TGSI_INTERPOLATE_LINEAR);
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sampler = ureg_DECL_sampler(shader, 2);
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o_fragment = ureg_DECL_output(shader, TGSI_SEMANTIC_COLOR, 0);
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ureg_MOV(shader, t_tex, i_vtex);
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if (field) {
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ureg_MOV(shader, ureg_writemask(t_tex, TGSI_WRITEMASK_ZW),
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ureg_imm4f(shader, 0, 0, 1.0f, 0));
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} else {
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ureg_MOV(shader, ureg_writemask(t_tex, TGSI_WRITEMASK_ZW),
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ureg_imm1f(shader, 0));
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}
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ureg_TEX(shader, o_fragment, TGSI_TEXTURE_2D_ARRAY, ureg_src(t_tex), sampler);
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ureg_release_temporary(shader, t_tex);
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ureg_END(shader);
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return ureg_create_shader_and_destroy(shader, filter->pipe);
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}
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static void *
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create_deint_frag_shader(struct vl_deint_filter *filter, unsigned field,
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struct vertex2f *sizes, bool spatial_filter)
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{
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struct ureg_program *shader;
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struct ureg_src i_vtex;
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struct ureg_src sampler_cur;
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struct ureg_src sampler_prevprev;
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struct ureg_src sampler_prev;
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struct ureg_src sampler_next;
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struct ureg_dst o_fragment;
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struct ureg_dst t_tex;
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struct ureg_dst t_comp_top, t_comp_bot;
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struct ureg_dst t_diff;
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struct ureg_dst t_a, t_b;
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struct ureg_dst t_weave, t_linear;
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shader = ureg_create(TGSI_PROCESSOR_FRAGMENT);
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if (!shader) {
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return NULL;
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}
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t_tex = ureg_DECL_temporary(shader);
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t_comp_top = ureg_DECL_temporary(shader);
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t_comp_bot = ureg_DECL_temporary(shader);
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t_diff = ureg_DECL_temporary(shader);
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t_a = ureg_DECL_temporary(shader);
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t_b = ureg_DECL_temporary(shader);
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t_weave = ureg_DECL_temporary(shader);
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t_linear = ureg_DECL_temporary(shader);
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i_vtex = ureg_DECL_fs_input(shader, TGSI_SEMANTIC_GENERIC, VS_O_VTEX, TGSI_INTERPOLATE_LINEAR);
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sampler_prevprev = ureg_DECL_sampler(shader, 0);
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sampler_prev = ureg_DECL_sampler(shader, 1);
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sampler_cur = ureg_DECL_sampler(shader, 2);
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sampler_next = ureg_DECL_sampler(shader, 3);
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o_fragment = ureg_DECL_output(shader, TGSI_SEMANTIC_COLOR, 0);
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// we don't care about ZW interpolation (allows better optimization)
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ureg_MOV(shader, t_tex, i_vtex);
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ureg_MOV(shader, ureg_writemask(t_tex, TGSI_WRITEMASK_ZW),
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ureg_imm1f(shader, 0));
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// sample between texels for cheap lowpass
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ureg_ADD(shader, t_comp_top, ureg_src(t_tex),
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ureg_imm4f(shader, sizes->x * 0.5f, sizes->y * -0.5f, 0, 0));
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ureg_ADD(shader, t_comp_bot, ureg_src(t_tex),
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ureg_imm4f(shader, sizes->x * -0.5f, sizes->y * 0.5f, 1.0f, 0));
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if (field == 0) {
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/* interpolating top field -> current field is a bottom field */
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// cur vs prev2
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ureg_TEX(shader, t_a, TGSI_TEXTURE_2D_ARRAY, ureg_src(t_comp_bot), sampler_cur);
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ureg_TEX(shader, t_b, TGSI_TEXTURE_2D_ARRAY, ureg_src(t_comp_bot), sampler_prevprev);
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ureg_SUB(shader, ureg_writemask(t_diff, TGSI_WRITEMASK_X), ureg_src(t_a), ureg_src(t_b));
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// prev vs next
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ureg_TEX(shader, t_a, TGSI_TEXTURE_2D_ARRAY, ureg_src(t_comp_top), sampler_prev);
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ureg_TEX(shader, t_b, TGSI_TEXTURE_2D_ARRAY, ureg_src(t_comp_top), sampler_next);
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ureg_SUB(shader, ureg_writemask(t_diff, TGSI_WRITEMASK_Y), ureg_src(t_a), ureg_src(t_b));
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} else {
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/* interpolating bottom field -> current field is a top field */
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// cur vs prev2
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ureg_TEX(shader, t_a, TGSI_TEXTURE_2D_ARRAY, ureg_src(t_comp_top), sampler_cur);
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ureg_TEX(shader, t_b, TGSI_TEXTURE_2D_ARRAY, ureg_src(t_comp_top), sampler_prevprev);
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ureg_SUB(shader, ureg_writemask(t_diff, TGSI_WRITEMASK_X), ureg_src(t_a), ureg_src(t_b));
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// prev vs next
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ureg_TEX(shader, t_a, TGSI_TEXTURE_2D_ARRAY, ureg_src(t_comp_bot), sampler_prev);
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ureg_TEX(shader, t_b, TGSI_TEXTURE_2D_ARRAY, ureg_src(t_comp_bot), sampler_next);
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ureg_SUB(shader, ureg_writemask(t_diff, TGSI_WRITEMASK_Y), ureg_src(t_a), ureg_src(t_b));
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}
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// absolute maximum of differences
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ureg_MAX(shader, ureg_writemask(t_diff, TGSI_WRITEMASK_X), ureg_abs(ureg_src(t_diff)),
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ureg_scalar(ureg_abs(ureg_src(t_diff)), TGSI_SWIZZLE_Y));
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if (field == 0) {
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/* weave with prev top field */
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ureg_TEX(shader, t_weave, TGSI_TEXTURE_2D_ARRAY, ureg_src(t_tex), sampler_prev);
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/* get linear interpolation from current bottom field */
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ureg_ADD(shader, t_comp_top, ureg_src(t_tex), ureg_imm4f(shader, 0, sizes->y * -1.0f, 1.0f, 0));
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ureg_TEX(shader, t_linear, TGSI_TEXTURE_2D_ARRAY, ureg_src(t_comp_top), sampler_cur);
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} else {
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/* weave with prev bottom field */
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ureg_ADD(shader, t_comp_bot, ureg_src(t_tex), ureg_imm4f(shader, 0, 0, 1.0f, 0));
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ureg_TEX(shader, t_weave, TGSI_TEXTURE_2D_ARRAY, ureg_src(t_comp_bot), sampler_prev);
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/* get linear interpolation from current top field */
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ureg_ADD(shader, t_comp_bot, ureg_src(t_tex), ureg_imm4f(shader, 0, sizes->y * 1.0f, 0, 0));
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ureg_TEX(shader, t_linear, TGSI_TEXTURE_2D_ARRAY, ureg_src(t_comp_bot), sampler_cur);
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}
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// mix between weave and linear
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// fully weave if diff < 6 (0.02353), fully interpolate if diff > 14 (0.05490)
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ureg_ADD(shader, ureg_writemask(t_diff, TGSI_WRITEMASK_X), ureg_src(t_diff),
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ureg_imm4f(shader, -0.02353f, 0, 0, 0));
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ureg_MUL(shader, ureg_saturate(ureg_writemask(t_diff, TGSI_WRITEMASK_X)),
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ureg_src(t_diff), ureg_imm4f(shader, 31.8750f, 0, 0, 0));
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ureg_LRP(shader, ureg_writemask(o_fragment, TGSI_WRITEMASK_X), ureg_src(t_diff),
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ureg_src(t_linear), ureg_src(t_weave));
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ureg_release_temporary(shader, t_tex);
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ureg_release_temporary(shader, t_comp_top);
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ureg_release_temporary(shader, t_comp_bot);
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ureg_release_temporary(shader, t_diff);
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ureg_release_temporary(shader, t_a);
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ureg_release_temporary(shader, t_b);
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ureg_release_temporary(shader, t_weave);
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ureg_release_temporary(shader, t_linear);
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ureg_END(shader);
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return ureg_create_shader_and_destroy(shader, filter->pipe);
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}
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bool
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vl_deint_filter_init(struct vl_deint_filter *filter, struct pipe_context *pipe,
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unsigned video_width, unsigned video_height,
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bool skip_chroma, bool spatial_filter)
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{
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struct pipe_rasterizer_state rs_state;
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struct pipe_blend_state blend;
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struct pipe_sampler_state sampler;
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struct pipe_vertex_element ve;
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struct vertex2f sizes;
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struct pipe_video_buffer templ;
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assert(filter && pipe);
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assert(video_width && video_height);
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memset(filter, 0, sizeof(*filter));
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filter->pipe = pipe;
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filter->skip_chroma = skip_chroma;
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filter->video_width = video_width;
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filter->video_height = video_height;
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/* TODO: handle other than 4:2:0 subsampling */
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memset(&templ, 0, sizeof(templ));
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templ.buffer_format = PIPE_FORMAT_YV12;
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templ.chroma_format = PIPE_VIDEO_CHROMA_FORMAT_420;
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templ.width = video_width;
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templ.height = video_height;
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templ.interlaced = true;
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filter->video_buffer = vl_video_buffer_create(pipe, &templ);
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if (!filter->video_buffer)
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goto error_video_buffer;
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memset(&rs_state, 0, sizeof(rs_state));
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rs_state.half_pixel_center = true;
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rs_state.bottom_edge_rule = true;
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rs_state.depth_clip = 1;
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filter->rs_state = pipe->create_rasterizer_state(pipe, &rs_state);
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if (!filter->rs_state)
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goto error_rs_state;
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memset(&blend, 0, sizeof blend);
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blend.rt[0].colormask = PIPE_MASK_RGBA;
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filter->blend = pipe->create_blend_state(pipe, &blend);
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if (!filter->blend)
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goto error_blend;
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memset(&sampler, 0, sizeof(sampler));
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sampler.wrap_s = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
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sampler.wrap_t = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
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sampler.wrap_r = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
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sampler.min_img_filter = PIPE_TEX_FILTER_LINEAR;
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sampler.min_mip_filter = PIPE_TEX_MIPFILTER_NONE;
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sampler.mag_img_filter = PIPE_TEX_FILTER_LINEAR;
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sampler.normalized_coords = 1;
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filter->sampler[0] = pipe->create_sampler_state(pipe, &sampler);
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filter->sampler[1] = filter->sampler[2] = filter->sampler[3] = filter->sampler[0];
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if (!filter->sampler[0])
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goto error_sampler;
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filter->quad = vl_vb_upload_quads(pipe);
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if(!filter->quad.buffer)
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goto error_quad;
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memset(&ve, 0, sizeof(ve));
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ve.src_offset = 0;
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ve.instance_divisor = 0;
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ve.vertex_buffer_index = 0;
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ve.src_format = PIPE_FORMAT_R32G32_FLOAT;
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filter->ves = pipe->create_vertex_elements_state(pipe, 1, &ve);
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if (!filter->ves)
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goto error_ves;
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sizes.x = 1.0f / video_width;
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sizes.y = 1.0f / video_height;
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filter->vs = create_vert_shader(filter);
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if (!filter->vs)
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goto error_vs;
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filter->fs_copy_top = create_copy_frag_shader(filter, 0);
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if (!filter->fs_copy_top)
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goto error_fs_copy_top;
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filter->fs_copy_bottom = create_copy_frag_shader(filter, 1);
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if (!filter->fs_copy_bottom)
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goto error_fs_copy_bottom;
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filter->fs_deint_top = create_deint_frag_shader(filter, 0, &sizes, spatial_filter);
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if (!filter->fs_deint_top)
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goto error_fs_deint_top;
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filter->fs_deint_bottom = create_deint_frag_shader(filter, 1, &sizes, spatial_filter);
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if (!filter->fs_deint_bottom)
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goto error_fs_deint_bottom;
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return true;
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error_fs_deint_bottom:
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pipe->delete_fs_state(pipe, filter->fs_deint_top);
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error_fs_deint_top:
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pipe->delete_fs_state(pipe, filter->fs_copy_bottom);
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error_fs_copy_bottom:
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pipe->delete_fs_state(pipe, filter->fs_copy_top);
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error_fs_copy_top:
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pipe->delete_vs_state(pipe, filter->vs);
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error_vs:
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pipe->delete_vertex_elements_state(pipe, filter->ves);
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error_ves:
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pipe_resource_reference(&filter->quad.buffer, NULL);
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error_quad:
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pipe->delete_sampler_state(pipe, filter->sampler);
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error_sampler:
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pipe->delete_blend_state(pipe, filter->blend);
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error_blend:
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pipe->delete_rasterizer_state(pipe, filter->rs_state);
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error_rs_state:
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filter->video_buffer->destroy(filter->video_buffer);
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error_video_buffer:
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return false;
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}
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void
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vl_deint_filter_cleanup(struct vl_deint_filter *filter)
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{
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assert(filter);
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filter->pipe->delete_sampler_state(filter->pipe, filter->sampler[0]);
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filter->pipe->delete_blend_state(filter->pipe, filter->blend);
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filter->pipe->delete_rasterizer_state(filter->pipe, filter->rs_state);
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filter->pipe->delete_vertex_elements_state(filter->pipe, filter->ves);
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pipe_resource_reference(&filter->quad.buffer, NULL);
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filter->pipe->delete_vs_state(filter->pipe, filter->vs);
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filter->pipe->delete_fs_state(filter->pipe, filter->fs_copy_top);
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filter->pipe->delete_fs_state(filter->pipe, filter->fs_copy_bottom);
|
||||
filter->pipe->delete_fs_state(filter->pipe, filter->fs_deint_top);
|
||||
filter->pipe->delete_fs_state(filter->pipe, filter->fs_deint_bottom);
|
||||
|
||||
filter->video_buffer->destroy(filter->video_buffer);
|
||||
}
|
||||
|
||||
bool
|
||||
vl_deint_filter_check_buffers(struct vl_deint_filter *filter,
|
||||
struct pipe_video_buffer *prevprev,
|
||||
struct pipe_video_buffer *prev,
|
||||
struct pipe_video_buffer *cur,
|
||||
struct pipe_video_buffer *next)
|
||||
{
|
||||
int i;
|
||||
struct pipe_video_buffer *bufs[] = { prevprev, prev, cur, next };
|
||||
|
||||
for (i = 0; i < 4; i++) {
|
||||
if (bufs[i]->chroma_format != PIPE_VIDEO_CHROMA_FORMAT_420)
|
||||
return false;
|
||||
if (bufs[i]->width < filter->video_width ||
|
||||
bufs[i]->height < filter->video_height)
|
||||
return false;
|
||||
if (!bufs[i]->interlaced)
|
||||
return false;
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
void
|
||||
vl_deint_filter_render(struct vl_deint_filter *filter,
|
||||
struct pipe_video_buffer *prevprev,
|
||||
struct pipe_video_buffer *prev,
|
||||
struct pipe_video_buffer *cur,
|
||||
struct pipe_video_buffer *next,
|
||||
unsigned field)
|
||||
{
|
||||
struct pipe_viewport_state viewport;
|
||||
struct pipe_framebuffer_state fb_state;
|
||||
struct pipe_sampler_view **cur_sv;
|
||||
struct pipe_sampler_view **prevprev_sv;
|
||||
struct pipe_sampler_view **prev_sv;
|
||||
struct pipe_sampler_view **next_sv;
|
||||
struct pipe_sampler_view *sampler_views[4];
|
||||
struct pipe_surface **dst_surfaces;
|
||||
int j;
|
||||
|
||||
assert(filter && prevprev && prev && cur && next && field <= 1);
|
||||
|
||||
/* set up destination and source */
|
||||
dst_surfaces = filter->video_buffer->get_surfaces(filter->video_buffer);
|
||||
cur_sv = cur->get_sampler_view_components(cur);
|
||||
prevprev_sv = prevprev->get_sampler_view_components(prevprev);
|
||||
prev_sv = prev->get_sampler_view_components(prev);
|
||||
next_sv = next->get_sampler_view_components(next);
|
||||
|
||||
/* set up pipe state */
|
||||
filter->pipe->bind_rasterizer_state(filter->pipe, filter->rs_state);
|
||||
filter->pipe->bind_blend_state(filter->pipe, filter->blend);
|
||||
filter->pipe->set_vertex_buffers(filter->pipe, 0, 1, &filter->quad);
|
||||
filter->pipe->bind_vertex_elements_state(filter->pipe, filter->ves);
|
||||
filter->pipe->bind_vs_state(filter->pipe, filter->vs);
|
||||
filter->pipe->bind_sampler_states(filter->pipe, PIPE_SHADER_FRAGMENT,
|
||||
0, 4, filter->sampler);
|
||||
|
||||
/* prepare viewport */
|
||||
memset(&viewport, 0, sizeof(viewport));
|
||||
viewport.scale[2] = 1;
|
||||
viewport.scale[3] = 1;
|
||||
|
||||
/* prepare framebuffer */
|
||||
memset(&fb_state, 0, sizeof(fb_state));
|
||||
fb_state.nr_cbufs = 1;
|
||||
|
||||
/* process each plane separately */
|
||||
for (j = 0; j < 3; j++) {
|
||||
/* select correct YV12 surfaces */
|
||||
int k = j == 1 ? 2 :
|
||||
j == 2 ? 1 : 0;
|
||||
struct pipe_surface *blit_surf = dst_surfaces[2 * k + field];
|
||||
struct pipe_surface *dst_surf = dst_surfaces[2 * k + 1 - field];
|
||||
|
||||
/* update render target state */
|
||||
viewport.scale[0] = blit_surf->texture->width0;
|
||||
viewport.scale[1] = blit_surf->texture->height0;
|
||||
fb_state.width = blit_surf->texture->width0;
|
||||
fb_state.height = blit_surf->texture->height0;
|
||||
|
||||
/* update sampler view sources */
|
||||
sampler_views[0] = prevprev_sv[j];
|
||||
sampler_views[1] = prev_sv[j];
|
||||
sampler_views[2] = cur_sv[j];
|
||||
sampler_views[3] = next_sv[j];
|
||||
filter->pipe->set_sampler_views(filter->pipe, PIPE_SHADER_FRAGMENT, 0, 4, sampler_views);
|
||||
|
||||
/* blit current field */
|
||||
fb_state.cbufs[0] = blit_surf;
|
||||
filter->pipe->bind_fs_state(filter->pipe, field ? filter->fs_copy_bottom : filter->fs_copy_top);
|
||||
filter->pipe->set_framebuffer_state(filter->pipe, &fb_state);
|
||||
filter->pipe->set_viewport_states(filter->pipe, 0, 1, &viewport);
|
||||
util_draw_arrays(filter->pipe, PIPE_PRIM_QUADS, 0, 4);
|
||||
|
||||
/* blit or interpolate other field */
|
||||
fb_state.cbufs[0] = dst_surf;
|
||||
filter->pipe->set_framebuffer_state(filter->pipe, &fb_state);
|
||||
if (j > 0 && filter->skip_chroma) {
|
||||
util_draw_arrays(filter->pipe, PIPE_PRIM_QUADS, 0, 4);
|
||||
} else {
|
||||
filter->pipe->bind_fs_state(filter->pipe, field ? filter->fs_deint_top : filter->fs_deint_bottom);
|
||||
util_draw_arrays(filter->pipe, PIPE_PRIM_QUADS, 0, 4);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,77 @@
|
|||
/**************************************************************************
|
||||
*
|
||||
* Copyright 2013 Grigori Goronzy <greg@chown.ath.cx>
|
||||
* All Rights Reserved.
|
||||
*
|
||||
* Permission is hereby granted, free of charge, to any person obtaining a
|
||||
* copy of this software and associated documentation files (the
|
||||
* "Software"), to deal in the Software without restriction, including
|
||||
* without limitation the rights to use, copy, modify, merge, publish,
|
||||
* distribute, sub license, and/or sell copies of the Software, and to
|
||||
* permit persons to whom the Software is furnished to do so, subject to
|
||||
* the following conditions:
|
||||
*
|
||||
* The above copyright notice and this permission notice (including the
|
||||
* next paragraph) shall be included in all copies or substantial portions
|
||||
* of the Software.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
|
||||
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
||||
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
|
||||
* IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
|
||||
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
|
||||
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
|
||||
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
||||
*
|
||||
**************************************************************************/
|
||||
|
||||
/* motion adaptive deinterlacer implementation */
|
||||
|
||||
#ifndef vl_deint_filter_h
|
||||
#define vl_deint_filter_h
|
||||
|
||||
#include "pipe/p_state.h"
|
||||
|
||||
struct vl_deint_filter
|
||||
{
|
||||
struct pipe_context *pipe;
|
||||
struct pipe_vertex_buffer quad;
|
||||
|
||||
void *rs_state;
|
||||
void *blend;
|
||||
void *sampler[4];
|
||||
void *ves;
|
||||
void *vs;
|
||||
void *fs_copy_top, *fs_copy_bottom;
|
||||
void *fs_deint_top, *fs_deint_bottom;
|
||||
|
||||
unsigned video_width, video_height;
|
||||
bool skip_chroma;
|
||||
|
||||
struct pipe_video_buffer *video_buffer;
|
||||
};
|
||||
|
||||
bool
|
||||
vl_deint_filter_init(struct vl_deint_filter *filter, struct pipe_context *pipe,
|
||||
unsigned video_width, unsigned video_height,
|
||||
bool skip_chroma, bool spatial_filter);
|
||||
|
||||
void
|
||||
vl_deint_filter_cleanup(struct vl_deint_filter *filter);
|
||||
|
||||
bool
|
||||
vl_deint_filter_check_buffers(struct vl_deint_filter *filter,
|
||||
struct pipe_video_buffer *prevprev,
|
||||
struct pipe_video_buffer *prev,
|
||||
struct pipe_video_buffer *cur,
|
||||
struct pipe_video_buffer *next);
|
||||
|
||||
void
|
||||
vl_deint_filter_render(struct vl_deint_filter *filter,
|
||||
struct pipe_video_buffer *prevprev,
|
||||
struct pipe_video_buffer *prev,
|
||||
struct pipe_video_buffer *cur,
|
||||
struct pipe_video_buffer *next,
|
||||
unsigned field);
|
||||
|
||||
#endif /* vl_deint_filter_h */
|
||||
Loading…
Reference in New Issue