/************************************************************************** * * Copyright 2010 Thomas Balling Sørensen & Orasanu Lucian. * Copyright 2014 Advanced Micro Devices, Inc. * 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 THE COPYRIGHT HOLDER(S) OR AUTHOR(S) 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. * **************************************************************************/ #include "pipe/p_screen.h" #include "pipe/p_video_codec.h" #include "state_tracker/drm_driver.h" #include "util/u_memory.h" #include "util/u_handle_table.h" #include "util/u_rect.h" #include "util/u_sampler.h" #include "util/u_surface.h" #include "vl/vl_compositor.h" #include "vl/vl_video_buffer.h" #include "vl/vl_winsys.h" #include "va_private.h" #include VAStatus vlVaCreateSurfaces(VADriverContextP ctx, int width, int height, int format, int num_surfaces, VASurfaceID *surfaces) { return vlVaCreateSurfaces2(ctx, format, width, height, surfaces, num_surfaces, NULL, 0); } VAStatus vlVaDestroySurfaces(VADriverContextP ctx, VASurfaceID *surface_list, int num_surfaces) { vlVaDriver *drv; int i; if (!ctx) return VA_STATUS_ERROR_INVALID_CONTEXT; drv = VL_VA_DRIVER(ctx); for (i = 0; i < num_surfaces; ++i) { vlVaSurface *surf = handle_table_get(drv->htab, surface_list[i]); if (surf->buffer) surf->buffer->destroy(surf->buffer); if(surf->fence) drv->pipe->screen->fence_reference(drv->pipe->screen, &surf->fence, NULL); util_dynarray_fini(&surf->subpics); FREE(surf); handle_table_remove(drv->htab, surface_list[i]); } return VA_STATUS_SUCCESS; } VAStatus vlVaSyncSurface(VADriverContextP ctx, VASurfaceID render_target) { if (!ctx) return VA_STATUS_ERROR_INVALID_CONTEXT; return VA_STATUS_SUCCESS; } VAStatus vlVaQuerySurfaceStatus(VADriverContextP ctx, VASurfaceID render_target, VASurfaceStatus *status) { if (!ctx) return VA_STATUS_ERROR_INVALID_CONTEXT; return VA_STATUS_SUCCESS; } VAStatus vlVaQuerySurfaceError(VADriverContextP ctx, VASurfaceID render_target, VAStatus error_status, void **error_info) { if (!ctx) return VA_STATUS_ERROR_INVALID_CONTEXT; return VA_STATUS_ERROR_UNIMPLEMENTED; } static void upload_sampler(struct pipe_context *pipe, struct pipe_sampler_view *dst, const struct pipe_box *dst_box, const void *src, unsigned src_stride, unsigned src_x, unsigned src_y) { struct pipe_transfer *transfer; void *map; map = pipe->transfer_map(pipe, dst->texture, 0, PIPE_TRANSFER_WRITE, dst_box, &transfer); if (!map) return; util_copy_rect(map, dst->texture->format, transfer->stride, 0, 0, dst_box->width, dst_box->height, src, src_stride, src_x, src_y); pipe->transfer_unmap(pipe, transfer); } static VAStatus vlVaPutSubpictures(vlVaSurface *surf, vlVaDriver *drv, struct pipe_surface *surf_draw, struct u_rect *dirty_area, struct u_rect *src_rect, struct u_rect *dst_rect) { vlVaSubpicture *sub; int i; if (!(surf->subpics.data || surf->subpics.size)) return VA_STATUS_SUCCESS; for (i = 0; i < surf->subpics.size/sizeof(vlVaSubpicture *); i++) { struct pipe_blend_state blend; void *blend_state; vlVaBuffer *buf; struct pipe_box box; struct u_rect *s, *d, sr, dr, c; int sw, sh, dw, dh; sub = ((vlVaSubpicture **)surf->subpics.data)[i]; if (!sub) continue; buf = handle_table_get(drv->htab, sub->image->buf); if (!buf) return VA_STATUS_ERROR_INVALID_IMAGE; box.x = 0; box.y = 0; box.z = 0; box.width = sub->dst_rect.x1 - sub->dst_rect.x0; box.height = sub->dst_rect.y1 - sub->dst_rect.y0; box.depth = 1; s = &sub->src_rect; d = &sub->dst_rect; sw = s->x1 - s->x0; sh = s->y1 - s->y0; dw = d->x1 - d->x0; dh = d->y1 - d->y0; c.x0 = MAX2(d->x0, s->x0); c.y0 = MAX2(d->y0, s->y0); c.x1 = MIN2(d->x0 + dw, src_rect->x1); c.y1 = MIN2(d->y0 + dh, src_rect->y1); sr.x0 = s->x0 + (c.x0 - d->x0)*(sw/(float)dw); sr.y0 = s->y0 + (c.y0 - d->y0)*(sh/(float)dh); sr.x1 = s->x0 + (c.x1 - d->x0)*(sw/(float)dw); sr.y1 = s->y0 + (c.y1 - d->y0)*(sh/(float)dh); s = src_rect; d = dst_rect; sw = s->x1 - s->x0; sh = s->y1 - s->y0; dw = d->x1 - d->x0; dh = d->y1 - d->y0; dr.x0 = d->x0 + c.x0*(dw/(float)sw); dr.y0 = d->y0 + c.y0*(dh/(float)sh); dr.x1 = d->x0 + c.x1*(dw/(float)sw); dr.y1 = d->y0 + c.y1*(dh/(float)sh); memset(&blend, 0, sizeof(blend)); blend.independent_blend_enable = 0; blend.rt[0].blend_enable = 1; blend.rt[0].rgb_src_factor = PIPE_BLENDFACTOR_SRC_ALPHA; blend.rt[0].rgb_dst_factor = PIPE_BLENDFACTOR_INV_SRC_ALPHA; blend.rt[0].alpha_src_factor = PIPE_BLENDFACTOR_ZERO; blend.rt[0].alpha_dst_factor = PIPE_BLENDFACTOR_ZERO; blend.rt[0].rgb_func = PIPE_BLEND_ADD; blend.rt[0].alpha_func = PIPE_BLEND_ADD; blend.rt[0].colormask = PIPE_MASK_RGBA; blend.logicop_enable = 0; blend.logicop_func = PIPE_LOGICOP_CLEAR; blend.dither = 0; blend_state = drv->pipe->create_blend_state(drv->pipe, &blend); vl_compositor_clear_layers(&drv->cstate); vl_compositor_set_layer_blend(&drv->cstate, 0, blend_state, false); upload_sampler(drv->pipe, sub->sampler, &box, buf->data, sub->image->pitches[0], 0, 0); vl_compositor_set_rgba_layer(&drv->cstate, &drv->compositor, 0, sub->sampler, &sr, NULL, NULL); vl_compositor_set_layer_dst_area(&drv->cstate, 0, &dr); vl_compositor_render(&drv->cstate, &drv->compositor, surf_draw, dirty_area, false); drv->pipe->delete_blend_state(drv->pipe, blend_state); } return VA_STATUS_SUCCESS; } VAStatus vlVaPutSurface(VADriverContextP ctx, VASurfaceID surface_id, void* draw, short srcx, short srcy, unsigned short srcw, unsigned short srch, short destx, short desty, unsigned short destw, unsigned short desth, VARectangle *cliprects, unsigned int number_cliprects, unsigned int flags) { vlVaDriver *drv; vlVaSurface *surf; struct pipe_screen *screen; struct pipe_resource *tex; struct pipe_surface surf_templ, *surf_draw; struct u_rect src_rect, *dirty_area; struct u_rect dst_rect = {destx, destx + destw, desty, desty + desth}; VAStatus status; if (!ctx) return VA_STATUS_ERROR_INVALID_CONTEXT; drv = VL_VA_DRIVER(ctx); surf = handle_table_get(drv->htab, surface_id); if (!surf) return VA_STATUS_ERROR_INVALID_SURFACE; screen = drv->pipe->screen; if(surf->fence) { screen->fence_finish(screen, surf->fence, PIPE_TIMEOUT_INFINITE); screen->fence_reference(screen, &surf->fence, NULL); } tex = vl_screen_texture_from_drawable(drv->vscreen, (Drawable)draw); if (!tex) return VA_STATUS_ERROR_INVALID_DISPLAY; dirty_area = vl_screen_get_dirty_area(drv->vscreen); memset(&surf_templ, 0, sizeof(surf_templ)); surf_templ.format = tex->format; surf_draw = drv->pipe->create_surface(drv->pipe, tex, &surf_templ); if (!surf_draw) { pipe_resource_reference(&tex, NULL); return VA_STATUS_ERROR_INVALID_DISPLAY; } src_rect.x0 = srcx; src_rect.y0 = srcy; src_rect.x1 = srcw + srcx; src_rect.y1 = srch + srcy; vl_compositor_clear_layers(&drv->cstate); vl_compositor_set_buffer_layer(&drv->cstate, &drv->compositor, 0, surf->buffer, &src_rect, NULL, VL_COMPOSITOR_WEAVE); vl_compositor_set_layer_dst_area(&drv->cstate, 0, &dst_rect); vl_compositor_render(&drv->cstate, &drv->compositor, surf_draw, dirty_area, true); status = vlVaPutSubpictures(surf, drv, surf_draw, dirty_area, &src_rect, &dst_rect); if (status) return status; screen->flush_frontbuffer ( screen, tex, 0, 0, vl_screen_get_private(drv->vscreen), NULL ); screen->fence_reference(screen, &surf->fence, NULL); drv->pipe->flush(drv->pipe, &surf->fence, 0); pipe_resource_reference(&tex, NULL); pipe_surface_reference(&surf_draw, NULL); return VA_STATUS_SUCCESS; } VAStatus vlVaLockSurface(VADriverContextP ctx, VASurfaceID surface, unsigned int *fourcc, unsigned int *luma_stride, unsigned int *chroma_u_stride, unsigned int *chroma_v_stride, unsigned int *luma_offset, unsigned int *chroma_u_offset, unsigned int *chroma_v_offset, unsigned int *buffer_name, void **buffer) { if (!ctx) return VA_STATUS_ERROR_INVALID_CONTEXT; return VA_STATUS_ERROR_UNIMPLEMENTED; } VAStatus vlVaUnlockSurface(VADriverContextP ctx, VASurfaceID surface) { if (!ctx) return VA_STATUS_ERROR_INVALID_CONTEXT; return VA_STATUS_ERROR_UNIMPLEMENTED; } VAStatus vlVaQuerySurfaceAttributes(VADriverContextP ctx, VAConfigID config, VASurfaceAttrib *attrib_list, unsigned int *num_attribs) { vlVaDriver *drv; VASurfaceAttrib *attribs; struct pipe_screen *pscreen; int i; if (config == VA_INVALID_ID) return VA_STATUS_ERROR_INVALID_CONFIG; if (!attrib_list && !num_attribs) return VA_STATUS_ERROR_INVALID_PARAMETER; if (!attrib_list) { *num_attribs = VASurfaceAttribCount; return VA_STATUS_SUCCESS; } if (!ctx) return VA_STATUS_ERROR_INVALID_CONTEXT; drv = VL_VA_DRIVER(ctx); if (!drv) return VA_STATUS_ERROR_INVALID_CONTEXT; pscreen = VL_VA_PSCREEN(ctx); if (!pscreen) return VA_STATUS_ERROR_INVALID_CONTEXT; attribs = CALLOC(VASurfaceAttribCount, sizeof(VASurfaceAttrib)); if (!attribs) return VA_STATUS_ERROR_ALLOCATION_FAILED; i = 0; if (config == PIPE_VIDEO_PROFILE_UNKNOWN) { /* vlVaCreateConfig returns PIPE_VIDEO_PROFILE_UNKNOWN only for VAEntrypointVideoProc. */ attribs[i].type = VASurfaceAttribPixelFormat; attribs[i].value.type = VAGenericValueTypeInteger; attribs[i].flags = VA_SURFACE_ATTRIB_GETTABLE | VA_SURFACE_ATTRIB_SETTABLE; attribs[i].value.value.i = VA_FOURCC_BGRA; i++; attribs[i].type = VASurfaceAttribPixelFormat; attribs[i].value.type = VAGenericValueTypeInteger; attribs[i].flags = VA_SURFACE_ATTRIB_GETTABLE | VA_SURFACE_ATTRIB_SETTABLE; attribs[i].value.value.i = VA_FOURCC_RGBA; i++; } else { /* Assume VAEntrypointVLD for now. */ attribs[i].type = VASurfaceAttribPixelFormat; attribs[i].value.type = VAGenericValueTypeInteger; attribs[i].flags = VA_SURFACE_ATTRIB_GETTABLE | VA_SURFACE_ATTRIB_SETTABLE; attribs[i].value.value.i = VA_FOURCC_NV12; i++; } attribs[i].type = VASurfaceAttribMemoryType; attribs[i].value.type = VAGenericValueTypeInteger; attribs[i].flags = VA_SURFACE_ATTRIB_GETTABLE | VA_SURFACE_ATTRIB_SETTABLE; attribs[i].value.value.i = VA_SURFACE_ATTRIB_MEM_TYPE_VA | VA_SURFACE_ATTRIB_MEM_TYPE_DRM_PRIME; i++; attribs[i].type = VASurfaceAttribExternalBufferDescriptor; attribs[i].value.type = VAGenericValueTypePointer; attribs[i].flags = VA_SURFACE_ATTRIB_SETTABLE; attribs[i].value.value.p = NULL; /* ignore */ i++; attribs[i].type = VASurfaceAttribMaxWidth; attribs[i].value.type = VAGenericValueTypeInteger; attribs[i].flags = VA_SURFACE_ATTRIB_GETTABLE; attribs[i].value.value.i = vl_video_buffer_max_size(pscreen); i++; attribs[i].type = VASurfaceAttribMaxHeight; attribs[i].value.type = VAGenericValueTypeInteger; attribs[i].flags = VA_SURFACE_ATTRIB_GETTABLE; attribs[i].value.value.i = vl_video_buffer_max_size(pscreen); i++; if (i > *num_attribs) { *num_attribs = i; FREE(attribs); return VA_STATUS_ERROR_MAX_NUM_EXCEEDED; } *num_attribs = i; memcpy(attrib_list, attribs, i * sizeof(VASurfaceAttrib)); FREE(attribs); return VA_STATUS_SUCCESS; } static VAStatus suface_from_external_memory(VADriverContextP ctx, vlVaSurface *surface, VASurfaceAttribExternalBuffers *memory_attibute, int index, VASurfaceID *surfaces, struct pipe_video_buffer *templat) { vlVaDriver *drv; struct pipe_screen *pscreen; struct pipe_resource *resource; struct pipe_resource res_templ; struct winsys_handle whandle; struct pipe_resource *resources[VL_NUM_COMPONENTS]; if (!ctx) return VA_STATUS_ERROR_INVALID_PARAMETER; pscreen = VL_VA_PSCREEN(ctx); drv = VL_VA_DRIVER(ctx); if (!memory_attibute || !memory_attibute->buffers || index > memory_attibute->num_buffers) return VA_STATUS_ERROR_INVALID_PARAMETER; if (surface->templat.width != memory_attibute->width || surface->templat.height != memory_attibute->height || memory_attibute->num_planes < 1) return VA_STATUS_ERROR_INVALID_PARAMETER; switch (memory_attibute->pixel_format) { case VA_FOURCC_RGBA: case VA_FOURCC_RGBX: case VA_FOURCC_BGRA: case VA_FOURCC_BGRX: if (memory_attibute->num_planes != 1) return VA_STATUS_ERROR_INVALID_PARAMETER; break; default: return VA_STATUS_ERROR_INVALID_PARAMETER; } memset(&res_templ, 0, sizeof(res_templ)); res_templ.target = PIPE_TEXTURE_2D; res_templ.last_level = 0; res_templ.depth0 = 1; res_templ.array_size = 1; res_templ.width0 = memory_attibute->width; res_templ.height0 = memory_attibute->height; res_templ.format = surface->templat.buffer_format; res_templ.bind = PIPE_BIND_SAMPLER_VIEW; res_templ.usage = PIPE_USAGE_DEFAULT; memset(&whandle, 0, sizeof(struct winsys_handle)); whandle.type = DRM_API_HANDLE_TYPE_FD; whandle.handle = memory_attibute->buffers[index]; whandle.stride = memory_attibute->pitches[index]; resource = pscreen->resource_from_handle(pscreen, &res_templ, &whandle); if (!resource) return VA_STATUS_ERROR_ALLOCATION_FAILED; memset(resources, 0, sizeof resources); resources[0] = resource; surface->buffer = vl_video_buffer_create_ex2(drv->pipe, templat, resources); if (!surface->buffer) return VA_STATUS_ERROR_ALLOCATION_FAILED; util_dynarray_init(&surface->subpics); surfaces[index] = handle_table_add(drv->htab, surface); if (!surfaces[index]) return VA_STATUS_ERROR_ALLOCATION_FAILED; return VA_STATUS_SUCCESS; } VAStatus vlVaCreateSurfaces2(VADriverContextP ctx, unsigned int format, unsigned int width, unsigned int height, VASurfaceID *surfaces, unsigned int num_surfaces, VASurfaceAttrib *attrib_list, unsigned int num_attribs) { vlVaDriver *drv; VASurfaceAttribExternalBuffers *memory_attibute; struct pipe_video_buffer templat; struct pipe_screen *pscreen; int i; int memory_type; int expected_fourcc; VAStatus vaStatus; if (!ctx) return VA_STATUS_ERROR_INVALID_CONTEXT; if (!(width && height)) return VA_STATUS_ERROR_INVALID_IMAGE_FORMAT; drv = VL_VA_DRIVER(ctx); if (!drv) return VA_STATUS_ERROR_INVALID_CONTEXT; pscreen = VL_VA_PSCREEN(ctx); if (!pscreen) return VA_STATUS_ERROR_INVALID_CONTEXT; /* Default. */ memory_attibute = NULL; memory_type = VA_SURFACE_ATTRIB_MEM_TYPE_VA; expected_fourcc = 0; for (i = 0; i < num_attribs && attrib_list; i++) { if ((attrib_list[i].type == VASurfaceAttribPixelFormat) && (attrib_list[i].flags & VA_SURFACE_ATTRIB_SETTABLE)) { if (attrib_list[i].value.type != VAGenericValueTypeInteger) return VA_STATUS_ERROR_INVALID_PARAMETER; expected_fourcc = attrib_list[i].value.value.i; } if ((attrib_list[i].type == VASurfaceAttribMemoryType) && (attrib_list[i].flags & VA_SURFACE_ATTRIB_SETTABLE)) { if (attrib_list[i].value.type != VAGenericValueTypeInteger) return VA_STATUS_ERROR_INVALID_PARAMETER; switch (attrib_list[i].value.value.i) { case VA_SURFACE_ATTRIB_MEM_TYPE_VA: case VA_SURFACE_ATTRIB_MEM_TYPE_DRM_PRIME: memory_type = attrib_list[i].value.value.i; break; default: return VA_STATUS_ERROR_UNSUPPORTED_MEMORY_TYPE; } } if ((attrib_list[i].type == VASurfaceAttribExternalBufferDescriptor) && (attrib_list[i].flags == VA_SURFACE_ATTRIB_SETTABLE)) { if (attrib_list[i].value.type != VAGenericValueTypePointer) return VA_STATUS_ERROR_INVALID_PARAMETER; memory_attibute = (VASurfaceAttribExternalBuffers *)attrib_list[i].value.value.p; } } if (VA_RT_FORMAT_YUV420 != format && VA_RT_FORMAT_YUV422 != format && VA_RT_FORMAT_YUV444 != format && VA_RT_FORMAT_RGB32 != format) { return VA_STATUS_ERROR_UNSUPPORTED_RT_FORMAT; } switch (memory_type) { case VA_SURFACE_ATTRIB_MEM_TYPE_VA: break; case VA_SURFACE_ATTRIB_MEM_TYPE_DRM_PRIME: if (!memory_attibute) return VA_STATUS_ERROR_INVALID_PARAMETER; expected_fourcc = memory_attibute->pixel_format; break; default: assert(0); } memset(&templat, 0, sizeof(templat)); if (expected_fourcc) { templat.buffer_format = VaFourccToPipeFormat(expected_fourcc); templat.interlaced = 0; } else { templat.buffer_format = pscreen->get_video_param ( pscreen, PIPE_VIDEO_PROFILE_UNKNOWN, PIPE_VIDEO_ENTRYPOINT_BITSTREAM, PIPE_VIDEO_CAP_PREFERED_FORMAT ); templat.interlaced = pscreen->get_video_param ( pscreen, PIPE_VIDEO_PROFILE_UNKNOWN, PIPE_VIDEO_ENTRYPOINT_BITSTREAM, PIPE_VIDEO_CAP_PREFERS_INTERLACED ); } templat.chroma_format = ChromaToPipe(format); templat.width = width; templat.height = height; memset(surfaces, VA_INVALID_ID, num_surfaces * sizeof(VASurfaceID)); for (i = 0; i < num_surfaces; i++) { vlVaSurface *surf = CALLOC(1, sizeof(vlVaSurface)); if (!surf) goto no_res; surf->templat = templat; switch (memory_type) { case VA_SURFACE_ATTRIB_MEM_TYPE_VA: surf->buffer = drv->pipe->create_video_buffer(drv->pipe, &templat); if (!surf->buffer) goto no_res; util_dynarray_init(&surf->subpics); surfaces[i] = handle_table_add(drv->htab, surf); break; case VA_SURFACE_ATTRIB_MEM_TYPE_DRM_PRIME: vaStatus = suface_from_external_memory(ctx, surf, memory_attibute, i, surfaces, &templat); if (vaStatus != VA_STATUS_SUCCESS) goto no_res; break; default: assert(0); } } return VA_STATUS_SUCCESS; no_res: if (i) vlVaDestroySurfaces(ctx, surfaces, i); return VA_STATUS_ERROR_ALLOCATION_FAILED; } VAStatus vlVaQueryVideoProcFilters(VADriverContextP ctx, VAContextID context, VAProcFilterType *filters, unsigned int *num_filters) { unsigned int num = 0; if (!ctx) return VA_STATUS_ERROR_INVALID_CONTEXT; if (!num_filters || !filters) return VA_STATUS_ERROR_INVALID_PARAMETER; filters[num++] = VAProcFilterNone; *num_filters = num; return VA_STATUS_SUCCESS; } VAStatus vlVaQueryVideoProcFilterCaps(VADriverContextP ctx, VAContextID context, VAProcFilterType type, void *filter_caps, unsigned int *num_filter_caps) { unsigned int i; if (!ctx) return VA_STATUS_ERROR_INVALID_CONTEXT; if (!filter_caps || !num_filter_caps) return VA_STATUS_ERROR_INVALID_PARAMETER; i = 0; switch (type) { case VAProcFilterNone: break; case VAProcFilterNoiseReduction: case VAProcFilterDeinterlacing: case VAProcFilterSharpening: case VAProcFilterColorBalance: case VAProcFilterSkinToneEnhancement: return VA_STATUS_ERROR_UNIMPLEMENTED; default: assert(0); } *num_filter_caps = i; return VA_STATUS_SUCCESS; } static VAProcColorStandardType vpp_input_color_standards[VAProcColorStandardCount] = { VAProcColorStandardBT601 }; static VAProcColorStandardType vpp_output_color_standards[VAProcColorStandardCount] = { VAProcColorStandardBT601 }; VAStatus vlVaQueryVideoProcPipelineCaps(VADriverContextP ctx, VAContextID context, VABufferID *filters, unsigned int num_filters, VAProcPipelineCaps *pipeline_cap) { unsigned int i = 0; if (!ctx) return VA_STATUS_ERROR_INVALID_CONTEXT; if (!pipeline_cap) return VA_STATUS_ERROR_INVALID_PARAMETER; if (num_filters && !filters) return VA_STATUS_ERROR_INVALID_PARAMETER; pipeline_cap->pipeline_flags = 0; pipeline_cap->filter_flags = 0; pipeline_cap->num_forward_references = 0; pipeline_cap->num_backward_references = 0; pipeline_cap->num_input_color_standards = 1; pipeline_cap->input_color_standards = vpp_input_color_standards; pipeline_cap->num_output_color_standards = 1; pipeline_cap->output_color_standards = vpp_output_color_standards; for (i = 0; i < num_filters; i++) { vlVaBuffer *buf = handle_table_get(VL_VA_DRIVER(ctx)->htab, filters[i]); if (!buf || buf->type >= VABufferTypeMax) return VA_STATUS_ERROR_INVALID_BUFFER; } return VA_STATUS_SUCCESS; }