void deinterlace_render(obs_source_t *s) { gs_effect_t *effect = s->deinterlace_effect; uint64_t frame2_ts; gs_eparam_t *image = gs_effect_get_param_by_name(effect, "image"); gs_eparam_t *prev = gs_effect_get_param_by_name(effect, "previous_image"); gs_eparam_t *field = gs_effect_get_param_by_name(effect, "field_order"); gs_eparam_t *frame2 = gs_effect_get_param_by_name(effect, "frame2"); gs_eparam_t *dimensions = gs_effect_get_param_by_name(effect, "dimensions"); struct vec2 size = {(float)s->async_width, (float)s->async_height}; bool yuv = format_is_yuv(s->async_format); bool limited_range = yuv && !s->async_full_range; const char *tech = yuv ? "DrawMatrix" : "Draw"; gs_texture_t *cur_tex = s->async_texrender ? gs_texrender_get_texture(s->async_texrender) : s->async_texture; gs_texture_t *prev_tex = s->async_prev_texrender ? gs_texrender_get_texture(s->async_prev_texrender) : s->async_prev_texture; if (!cur_tex || !prev_tex || !s->async_width || !s->async_height) return; gs_effect_set_texture(image, cur_tex); gs_effect_set_texture(prev, prev_tex); gs_effect_set_int(field, s->deinterlace_top_first); gs_effect_set_vec2(dimensions, &size); if (yuv) { gs_eparam_t *color_matrix = gs_effect_get_param_by_name( effect, "color_matrix"); gs_effect_set_val(color_matrix, s->async_color_matrix, sizeof(float) * 16); } if (limited_range) { const size_t size = sizeof(float) * 3; gs_eparam_t *color_range_min = gs_effect_get_param_by_name( effect, "color_range_min"); gs_eparam_t *color_range_max = gs_effect_get_param_by_name( effect, "color_range_max"); gs_effect_set_val(color_range_min, s->async_color_range_min, size); gs_effect_set_val(color_range_max, s->async_color_range_max, size); } frame2_ts = s->deinterlace_frame_ts + s->deinterlace_offset + s->deinterlace_half_duration - TWOX_TOLERANCE; gs_effect_set_bool(frame2, obs->video.video_time >= frame2_ts); while (gs_effect_loop(effect, tech)) gs_draw_sprite(NULL, s->async_flip ? GS_FLIP_V : 0, s->async_width, s->async_height); }
static inline void render_item(struct obs_scene_item *item) { if (item->crop_render) { uint32_t width = obs_source_get_width(item->source); uint32_t height = obs_source_get_height(item->source); uint32_t cx = calc_cx(item, width); uint32_t cy = calc_cy(item, height); if (cx && cy && gs_texrender_begin(item->crop_render, cx, cy)) { float cx_scale = (float)width / (float)cx; float cy_scale = (float)height / (float)cy; gs_matrix_scale3f(cx_scale, cy_scale, 1.0f); gs_matrix_translate3f( -(float)item->crop.left, -(float)item->crop.top, 0.0f); obs_source_video_render(item->source); gs_texrender_end(item->crop_render); } } gs_matrix_push(); gs_matrix_mul(&item->draw_transform); if (item->crop_render) { gs_texture_t *tex = gs_texrender_get_texture(item->crop_render); while (gs_effect_loop(obs->video.default_effect, "Draw")) obs_source_draw(tex, 0, 0, 0, 0, 0); } else { obs_source_video_render(item->source); } gs_matrix_pop(); }
static void render_item_texture(struct obs_scene_item *item) { gs_texture_t *tex = gs_texrender_get_texture(item->item_render); gs_effect_t *effect = obs->video.default_effect; enum obs_scale_type type = item->scale_filter; uint32_t cx = gs_texture_get_width(tex); uint32_t cy = gs_texture_get_height(tex); if (type != OBS_SCALE_DISABLE) { if (type == OBS_SCALE_POINT) { gs_eparam_t *image = gs_effect_get_param_by_name( effect, "image"); gs_effect_set_next_sampler(image, obs->video.point_sampler); } else if (!close_float(item->output_scale.x, 1.0f, EPSILON) || !close_float(item->output_scale.y, 1.0f, EPSILON)) { gs_eparam_t *scale_param; if (item->output_scale.x < 0.5f || item->output_scale.y < 0.5f) { effect = obs->video.bilinear_lowres_effect; } else if (type == OBS_SCALE_BICUBIC) { effect = obs->video.bicubic_effect; } else if (type == OBS_SCALE_LANCZOS) { effect = obs->video.lanczos_effect; } scale_param = gs_effect_get_param_by_name(effect, "base_dimension_i"); if (scale_param) { struct vec2 base_res_i = { 1.0f / (float)cx, 1.0f / (float)cy }; gs_effect_set_vec2(scale_param, &base_res_i); } } } while (gs_effect_loop(effect, "Draw")) obs_source_draw(tex, 0, 0, 0, 0, 0); }
static inline gs_texture_t *get_texture(obs_source_t *transition, enum obs_transition_target target) { size_t idx = (size_t)target; return gs_texrender_get_texture(transition->transition_texrender[idx]); }