From af34c3fd10e2511f02a40810cddebea49093a526 Mon Sep 17 00:00:00 2001 From: Grigori Goronzy Date: Thu, 13 Feb 2014 21:32:29 +0100 Subject: [PATCH] vl: add motion adaptive deinterlacer MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Reviewed-by: Christian König --- src/gallium/auxiliary/Makefile.sources | 3 +- src/gallium/auxiliary/vl/vl_deint_filter.c | 490 +++++++++++++++++++++ src/gallium/auxiliary/vl/vl_deint_filter.h | 77 ++++ 3 files changed, 569 insertions(+), 1 deletion(-) create mode 100644 src/gallium/auxiliary/vl/vl_deint_filter.c create mode 100644 src/gallium/auxiliary/vl/vl_deint_filter.h diff --git a/src/gallium/auxiliary/Makefile.sources b/src/gallium/auxiliary/Makefile.sources index c89cbddd0dc..19004e0b467 100644 --- a/src/gallium/auxiliary/Makefile.sources +++ b/src/gallium/auxiliary/Makefile.sources @@ -155,7 +155,8 @@ C_SOURCES := \ vl/vl_idct.c \ vl/vl_mc.c \ vl/vl_vertex_buffers.c \ - vl/vl_video_buffer.c + vl/vl_video_buffer.c \ + vl/vl_deint_filter.c GENERATED_SOURCES := \ indices/u_indices_gen.c \ diff --git a/src/gallium/auxiliary/vl/vl_deint_filter.c b/src/gallium/auxiliary/vl/vl_deint_filter.c new file mode 100644 index 00000000000..a4554240f27 --- /dev/null +++ b/src/gallium/auxiliary/vl/vl_deint_filter.c @@ -0,0 +1,490 @@ +/************************************************************************** + * + * Copyright 2013 Grigori Goronzy . + * 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. + * + **************************************************************************/ + +/* + * References: + * + * Lin, S. F., Chang, Y. L., & Chen, L. G. (2003). + * Motion adaptive interpolation with horizontal motion detection for deinterlacing. + * Consumer Electronics, IEEE Transactions on, 49(4), 1256-1265. + * + * Pei-Yin, C. H. E. N., & Yao-Hsien, L. A. I. (2007). + * A low-complexity interpolation method for deinterlacing. + * IEICE transactions on information and systems, 90(2), 606-608. + * + */ + +#include + +#include "pipe/p_context.h" + +#include "tgsi/tgsi_ureg.h" + +#include "util/u_draw.h" +#include "util/u_memory.h" +#include "util/u_math.h" + +#include "vl_types.h" +#include "vl_video_buffer.h" +#include "vl_vertex_buffers.h" +#include "vl_deint_filter.h" + +enum VS_OUTPUT +{ + VS_O_VPOS = 0, + VS_O_VTEX = 0 +}; + +static void * +create_vert_shader(struct vl_deint_filter *filter) +{ + struct ureg_program *shader; + struct ureg_src i_vpos; + struct ureg_dst o_vpos, o_vtex; + + shader = ureg_create(TGSI_PROCESSOR_VERTEX); + if (!shader) + return NULL; + + i_vpos = ureg_DECL_vs_input(shader, 0); + o_vpos = ureg_DECL_output(shader, TGSI_SEMANTIC_POSITION, VS_O_VPOS); + o_vtex = ureg_DECL_output(shader, TGSI_SEMANTIC_GENERIC, VS_O_VTEX); + + ureg_MOV(shader, o_vpos, i_vpos); + ureg_MOV(shader, o_vtex, i_vpos); + + ureg_END(shader); + + return ureg_create_shader_and_destroy(shader, filter->pipe); +} + +static void * +create_copy_frag_shader(struct vl_deint_filter *filter, unsigned field) +{ + struct ureg_program *shader; + struct ureg_src i_vtex; + struct ureg_src sampler; + struct ureg_dst o_fragment; + struct ureg_dst t_tex; + + shader = ureg_create(TGSI_PROCESSOR_FRAGMENT); + if (!shader) { + return NULL; + } + t_tex = ureg_DECL_temporary(shader); + + i_vtex = ureg_DECL_fs_input(shader, TGSI_SEMANTIC_GENERIC, VS_O_VTEX, TGSI_INTERPOLATE_LINEAR); + sampler = ureg_DECL_sampler(shader, 2); + o_fragment = ureg_DECL_output(shader, TGSI_SEMANTIC_COLOR, 0); + + ureg_MOV(shader, t_tex, i_vtex); + if (field) { + ureg_MOV(shader, ureg_writemask(t_tex, TGSI_WRITEMASK_ZW), + ureg_imm4f(shader, 0, 0, 1.0f, 0)); + } else { + ureg_MOV(shader, ureg_writemask(t_tex, TGSI_WRITEMASK_ZW), + ureg_imm1f(shader, 0)); + } + + ureg_TEX(shader, o_fragment, TGSI_TEXTURE_2D_ARRAY, ureg_src(t_tex), sampler); + + ureg_release_temporary(shader, t_tex); + ureg_END(shader); + + return ureg_create_shader_and_destroy(shader, filter->pipe); +} + +static void * +create_deint_frag_shader(struct vl_deint_filter *filter, unsigned field, + struct vertex2f *sizes, bool spatial_filter) +{ + struct ureg_program *shader; + struct ureg_src i_vtex; + struct ureg_src sampler_cur; + struct ureg_src sampler_prevprev; + struct ureg_src sampler_prev; + struct ureg_src sampler_next; + struct ureg_dst o_fragment; + struct ureg_dst t_tex; + struct ureg_dst t_comp_top, t_comp_bot; + struct ureg_dst t_diff; + struct ureg_dst t_a, t_b; + struct ureg_dst t_weave, t_linear; + + shader = ureg_create(TGSI_PROCESSOR_FRAGMENT); + if (!shader) { + return NULL; + } + + t_tex = ureg_DECL_temporary(shader); + t_comp_top = ureg_DECL_temporary(shader); + t_comp_bot = ureg_DECL_temporary(shader); + t_diff = ureg_DECL_temporary(shader); + t_a = ureg_DECL_temporary(shader); + t_b = ureg_DECL_temporary(shader); + t_weave = ureg_DECL_temporary(shader); + t_linear = ureg_DECL_temporary(shader); + + i_vtex = ureg_DECL_fs_input(shader, TGSI_SEMANTIC_GENERIC, VS_O_VTEX, TGSI_INTERPOLATE_LINEAR); + sampler_prevprev = ureg_DECL_sampler(shader, 0); + sampler_prev = ureg_DECL_sampler(shader, 1); + sampler_cur = ureg_DECL_sampler(shader, 2); + sampler_next = ureg_DECL_sampler(shader, 3); + o_fragment = ureg_DECL_output(shader, TGSI_SEMANTIC_COLOR, 0); + + // we don't care about ZW interpolation (allows better optimization) + ureg_MOV(shader, t_tex, i_vtex); + ureg_MOV(shader, ureg_writemask(t_tex, TGSI_WRITEMASK_ZW), + ureg_imm1f(shader, 0)); + + // sample between texels for cheap lowpass + ureg_ADD(shader, t_comp_top, ureg_src(t_tex), + ureg_imm4f(shader, sizes->x * 0.5f, sizes->y * -0.5f, 0, 0)); + ureg_ADD(shader, t_comp_bot, ureg_src(t_tex), + ureg_imm4f(shader, sizes->x * -0.5f, sizes->y * 0.5f, 1.0f, 0)); + + if (field == 0) { + /* interpolating top field -> current field is a bottom field */ + // cur vs prev2 + ureg_TEX(shader, t_a, TGSI_TEXTURE_2D_ARRAY, ureg_src(t_comp_bot), sampler_cur); + ureg_TEX(shader, t_b, TGSI_TEXTURE_2D_ARRAY, ureg_src(t_comp_bot), sampler_prevprev); + ureg_SUB(shader, ureg_writemask(t_diff, TGSI_WRITEMASK_X), ureg_src(t_a), ureg_src(t_b)); + // prev vs next + ureg_TEX(shader, t_a, TGSI_TEXTURE_2D_ARRAY, ureg_src(t_comp_top), sampler_prev); + ureg_TEX(shader, t_b, TGSI_TEXTURE_2D_ARRAY, ureg_src(t_comp_top), sampler_next); + ureg_SUB(shader, ureg_writemask(t_diff, TGSI_WRITEMASK_Y), ureg_src(t_a), ureg_src(t_b)); + } else { + /* interpolating bottom field -> current field is a top field */ + // cur vs prev2 + ureg_TEX(shader, t_a, TGSI_TEXTURE_2D_ARRAY, ureg_src(t_comp_top), sampler_cur); + ureg_TEX(shader, t_b, TGSI_TEXTURE_2D_ARRAY, ureg_src(t_comp_top), sampler_prevprev); + ureg_SUB(shader, ureg_writemask(t_diff, TGSI_WRITEMASK_X), ureg_src(t_a), ureg_src(t_b)); + // prev vs next + ureg_TEX(shader, t_a, TGSI_TEXTURE_2D_ARRAY, ureg_src(t_comp_bot), sampler_prev); + ureg_TEX(shader, t_b, TGSI_TEXTURE_2D_ARRAY, ureg_src(t_comp_bot), sampler_next); + ureg_SUB(shader, ureg_writemask(t_diff, TGSI_WRITEMASK_Y), ureg_src(t_a), ureg_src(t_b)); + } + + // absolute maximum of differences + ureg_MAX(shader, ureg_writemask(t_diff, TGSI_WRITEMASK_X), ureg_abs(ureg_src(t_diff)), + ureg_scalar(ureg_abs(ureg_src(t_diff)), TGSI_SWIZZLE_Y)); + + if (field == 0) { + /* weave with prev top field */ + ureg_TEX(shader, t_weave, TGSI_TEXTURE_2D_ARRAY, ureg_src(t_tex), sampler_prev); + /* get linear interpolation from current bottom field */ + ureg_ADD(shader, t_comp_top, ureg_src(t_tex), ureg_imm4f(shader, 0, sizes->y * -1.0f, 1.0f, 0)); + ureg_TEX(shader, t_linear, TGSI_TEXTURE_2D_ARRAY, ureg_src(t_comp_top), sampler_cur); + } else { + /* weave with prev bottom field */ + ureg_ADD(shader, t_comp_bot, ureg_src(t_tex), ureg_imm4f(shader, 0, 0, 1.0f, 0)); + ureg_TEX(shader, t_weave, TGSI_TEXTURE_2D_ARRAY, ureg_src(t_comp_bot), sampler_prev); + /* get linear interpolation from current top field */ + ureg_ADD(shader, t_comp_bot, ureg_src(t_tex), ureg_imm4f(shader, 0, sizes->y * 1.0f, 0, 0)); + ureg_TEX(shader, t_linear, TGSI_TEXTURE_2D_ARRAY, ureg_src(t_comp_bot), sampler_cur); + } + + // mix between weave and linear + // fully weave if diff < 6 (0.02353), fully interpolate if diff > 14 (0.05490) + ureg_ADD(shader, ureg_writemask(t_diff, TGSI_WRITEMASK_X), ureg_src(t_diff), + ureg_imm4f(shader, -0.02353f, 0, 0, 0)); + ureg_MUL(shader, ureg_saturate(ureg_writemask(t_diff, TGSI_WRITEMASK_X)), + ureg_src(t_diff), ureg_imm4f(shader, 31.8750f, 0, 0, 0)); + ureg_LRP(shader, ureg_writemask(o_fragment, TGSI_WRITEMASK_X), ureg_src(t_diff), + ureg_src(t_linear), ureg_src(t_weave)); + + ureg_release_temporary(shader, t_tex); + ureg_release_temporary(shader, t_comp_top); + ureg_release_temporary(shader, t_comp_bot); + ureg_release_temporary(shader, t_diff); + ureg_release_temporary(shader, t_a); + ureg_release_temporary(shader, t_b); + ureg_release_temporary(shader, t_weave); + ureg_release_temporary(shader, t_linear); + ureg_END(shader); + + return ureg_create_shader_and_destroy(shader, filter->pipe); +} + +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) +{ + struct pipe_rasterizer_state rs_state; + struct pipe_blend_state blend; + struct pipe_sampler_state sampler; + struct pipe_vertex_element ve; + struct vertex2f sizes; + struct pipe_video_buffer templ; + + assert(filter && pipe); + assert(video_width && video_height); + + memset(filter, 0, sizeof(*filter)); + filter->pipe = pipe; + filter->skip_chroma = skip_chroma; + filter->video_width = video_width; + filter->video_height = video_height; + + /* TODO: handle other than 4:2:0 subsampling */ + memset(&templ, 0, sizeof(templ)); + templ.buffer_format = PIPE_FORMAT_YV12; + templ.chroma_format = PIPE_VIDEO_CHROMA_FORMAT_420; + templ.width = video_width; + templ.height = video_height; + templ.interlaced = true; + filter->video_buffer = vl_video_buffer_create(pipe, &templ); + if (!filter->video_buffer) + goto error_video_buffer; + + memset(&rs_state, 0, sizeof(rs_state)); + rs_state.half_pixel_center = true; + rs_state.bottom_edge_rule = true; + rs_state.depth_clip = 1; + filter->rs_state = pipe->create_rasterizer_state(pipe, &rs_state); + if (!filter->rs_state) + goto error_rs_state; + + memset(&blend, 0, sizeof blend); + blend.rt[0].colormask = PIPE_MASK_RGBA; + filter->blend = pipe->create_blend_state(pipe, &blend); + if (!filter->blend) + goto error_blend; + + memset(&sampler, 0, sizeof(sampler)); + sampler.wrap_s = PIPE_TEX_WRAP_CLAMP_TO_EDGE; + sampler.wrap_t = PIPE_TEX_WRAP_CLAMP_TO_EDGE; + sampler.wrap_r = PIPE_TEX_WRAP_CLAMP_TO_EDGE; + sampler.min_img_filter = PIPE_TEX_FILTER_LINEAR; + sampler.min_mip_filter = PIPE_TEX_MIPFILTER_NONE; + sampler.mag_img_filter = PIPE_TEX_FILTER_LINEAR; + sampler.normalized_coords = 1; + filter->sampler[0] = pipe->create_sampler_state(pipe, &sampler); + filter->sampler[1] = filter->sampler[2] = filter->sampler[3] = filter->sampler[0]; + if (!filter->sampler[0]) + goto error_sampler; + + filter->quad = vl_vb_upload_quads(pipe); + if(!filter->quad.buffer) + goto error_quad; + + memset(&ve, 0, sizeof(ve)); + ve.src_offset = 0; + ve.instance_divisor = 0; + ve.vertex_buffer_index = 0; + ve.src_format = PIPE_FORMAT_R32G32_FLOAT; + filter->ves = pipe->create_vertex_elements_state(pipe, 1, &ve); + if (!filter->ves) + goto error_ves; + + sizes.x = 1.0f / video_width; + sizes.y = 1.0f / video_height; + + filter->vs = create_vert_shader(filter); + if (!filter->vs) + goto error_vs; + + filter->fs_copy_top = create_copy_frag_shader(filter, 0); + if (!filter->fs_copy_top) + goto error_fs_copy_top; + + filter->fs_copy_bottom = create_copy_frag_shader(filter, 1); + if (!filter->fs_copy_bottom) + goto error_fs_copy_bottom; + + filter->fs_deint_top = create_deint_frag_shader(filter, 0, &sizes, spatial_filter); + if (!filter->fs_deint_top) + goto error_fs_deint_top; + + filter->fs_deint_bottom = create_deint_frag_shader(filter, 1, &sizes, spatial_filter); + if (!filter->fs_deint_bottom) + goto error_fs_deint_bottom; + + return true; + +error_fs_deint_bottom: + pipe->delete_fs_state(pipe, filter->fs_deint_top); + +error_fs_deint_top: + pipe->delete_fs_state(pipe, filter->fs_copy_bottom); + +error_fs_copy_bottom: + pipe->delete_fs_state(pipe, filter->fs_copy_top); + +error_fs_copy_top: + pipe->delete_vs_state(pipe, filter->vs); + +error_vs: + pipe->delete_vertex_elements_state(pipe, filter->ves); + +error_ves: + pipe_resource_reference(&filter->quad.buffer, NULL); + +error_quad: + pipe->delete_sampler_state(pipe, filter->sampler); + +error_sampler: + pipe->delete_blend_state(pipe, filter->blend); + +error_blend: + pipe->delete_rasterizer_state(pipe, filter->rs_state); + +error_rs_state: + filter->video_buffer->destroy(filter->video_buffer); + +error_video_buffer: + return false; +} + +void +vl_deint_filter_cleanup(struct vl_deint_filter *filter) +{ + assert(filter); + + filter->pipe->delete_sampler_state(filter->pipe, filter->sampler[0]); + filter->pipe->delete_blend_state(filter->pipe, filter->blend); + filter->pipe->delete_rasterizer_state(filter->pipe, filter->rs_state); + filter->pipe->delete_vertex_elements_state(filter->pipe, filter->ves); + pipe_resource_reference(&filter->quad.buffer, NULL); + + filter->pipe->delete_vs_state(filter->pipe, filter->vs); + filter->pipe->delete_fs_state(filter->pipe, filter->fs_copy_top); + 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); + } + } +} diff --git a/src/gallium/auxiliary/vl/vl_deint_filter.h b/src/gallium/auxiliary/vl/vl_deint_filter.h new file mode 100644 index 00000000000..3ca378b183d --- /dev/null +++ b/src/gallium/auxiliary/vl/vl_deint_filter.h @@ -0,0 +1,77 @@ +/************************************************************************** + * + * Copyright 2013 Grigori Goronzy + * 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 */ -- 2.30.2