/************************************************************************** * * Copyright 2011 Christian König. * 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 VMWARE 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. * **************************************************************************/ #ifndef vl_video_buffer_h #define vl_video_buffer_h #include "pipe/p_context.h" #include "pipe/p_video_codec.h" #include "vl_defines.h" /** * implementation of a planar ycbcr buffer */ /* planar buffer for vl data upload and manipulation */ struct vl_video_buffer { struct pipe_video_buffer base; unsigned num_planes; struct pipe_resource *resources[VL_NUM_COMPONENTS]; struct pipe_sampler_view *sampler_view_planes[VL_NUM_COMPONENTS]; struct pipe_sampler_view *sampler_view_components[VL_NUM_COMPONENTS]; struct pipe_surface *surfaces[VL_MAX_SURFACES]; }; static inline void vl_video_buffer_adjust_size(unsigned *width, unsigned *height, unsigned plane, enum pipe_video_chroma_format chroma_format, bool interlaced) { if (interlaced) { *height /= 2; } if (plane > 0) { if (chroma_format == PIPE_VIDEO_CHROMA_FORMAT_420) { *width /= 2; *height /= 2; } else if (chroma_format == PIPE_VIDEO_CHROMA_FORMAT_422) { *width /= 2; } } } /** * get subformats for each plane */ void vl_get_video_buffer_formats(struct pipe_screen *screen, enum pipe_format format, enum pipe_format out_format[VL_NUM_COMPONENTS]); /** * get YUV plane order */ const unsigned * vl_video_buffer_plane_order(enum pipe_format format); /** * get maximum size of video buffers */ unsigned vl_video_buffer_max_size(struct pipe_screen *screen); /** * check if video buffer format is supported for a codec/profile * can be used as default implementation of screen->is_video_format_supported */ bool vl_video_buffer_is_format_supported(struct pipe_screen *screen, enum pipe_format format, enum pipe_video_profile profile, enum pipe_video_entrypoint entrypoint); /* * set the associated data for the given video buffer */ void vl_video_buffer_set_associated_data(struct pipe_video_buffer *vbuf, struct pipe_video_codec *vcodec, void *associated_data, void (*destroy_associated_data)(void *)); /* * get the associated data for the given video buffer */ void * vl_video_buffer_get_associated_data(struct pipe_video_buffer *vbuf, struct pipe_video_codec *vcodec); /** * fill a resource template for the given plane */ void vl_video_buffer_template(struct pipe_resource *templ, const struct pipe_video_buffer *templat, enum pipe_format resource_format, unsigned depth, unsigned array_size, unsigned usage, unsigned plane); /** * creates a video buffer, can be used as a standard implementation for pipe->create_video_buffer */ struct pipe_video_buffer * vl_video_buffer_create(struct pipe_context *pipe, const struct pipe_video_buffer *templat); /** * extended create function, gets depth, array_size, usage and formats for each plane seperately */ struct pipe_video_buffer * vl_video_buffer_create_ex(struct pipe_context *pipe, const struct pipe_video_buffer *templat, const enum pipe_format resource_formats[VL_NUM_COMPONENTS], unsigned depth, unsigned array_size, unsigned usage); /** * even more extended create function, provide the pipe_resource for each plane */ struct pipe_video_buffer * vl_video_buffer_create_ex2(struct pipe_context *pipe, const struct pipe_video_buffer *templat, struct pipe_resource *resources[VL_NUM_COMPONENTS]); /* Create pipe_video_buffer by using resource_create with planar formats. */ struct pipe_video_buffer * vl_video_buffer_create_as_resource(struct pipe_context *pipe, const struct pipe_video_buffer *tmpl); #endif /* vl_video_buffer_h */