/**************************************************************************
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*
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* Copyright 2009 Younes Manton.
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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 VMWARE 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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#ifndef U_VIDEO_H
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#define U_VIDEO_H
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#include "pipe/p_defines.h"
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#include "pipe/p_video_enums.h"
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/* u_reduce_video_profile() needs these */
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#include "pipe/p_compiler.h"
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#include "util/u_debug.h"
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#include "util/u_math.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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static inline enum pipe_video_format
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u_reduce_video_profile(enum pipe_video_profile profile)
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{
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switch (profile)
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{
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case PIPE_VIDEO_PROFILE_MPEG1:
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case PIPE_VIDEO_PROFILE_MPEG2_SIMPLE:
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case PIPE_VIDEO_PROFILE_MPEG2_MAIN:
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return PIPE_VIDEO_FORMAT_MPEG12;
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case PIPE_VIDEO_PROFILE_MPEG4_SIMPLE:
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case PIPE_VIDEO_PROFILE_MPEG4_ADVANCED_SIMPLE:
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return PIPE_VIDEO_FORMAT_MPEG4;
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case PIPE_VIDEO_PROFILE_VC1_SIMPLE:
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case PIPE_VIDEO_PROFILE_VC1_MAIN:
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case PIPE_VIDEO_PROFILE_VC1_ADVANCED:
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return PIPE_VIDEO_FORMAT_VC1;
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case PIPE_VIDEO_PROFILE_MPEG4_AVC_BASELINE:
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case PIPE_VIDEO_PROFILE_MPEG4_AVC_CONSTRAINED_BASELINE:
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case PIPE_VIDEO_PROFILE_MPEG4_AVC_MAIN:
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case PIPE_VIDEO_PROFILE_MPEG4_AVC_EXTENDED:
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case PIPE_VIDEO_PROFILE_MPEG4_AVC_HIGH:
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case PIPE_VIDEO_PROFILE_MPEG4_AVC_HIGH10:
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case PIPE_VIDEO_PROFILE_MPEG4_AVC_HIGH422:
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case PIPE_VIDEO_PROFILE_MPEG4_AVC_HIGH444:
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return PIPE_VIDEO_FORMAT_MPEG4_AVC;
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case PIPE_VIDEO_PROFILE_HEVC_MAIN:
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case PIPE_VIDEO_PROFILE_HEVC_MAIN_10:
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case PIPE_VIDEO_PROFILE_HEVC_MAIN_STILL:
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case PIPE_VIDEO_PROFILE_HEVC_MAIN_12:
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case PIPE_VIDEO_PROFILE_HEVC_MAIN_444:
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return PIPE_VIDEO_FORMAT_HEVC;
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case PIPE_VIDEO_PROFILE_JPEG_BASELINE:
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return PIPE_VIDEO_FORMAT_JPEG;
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default:
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return PIPE_VIDEO_FORMAT_UNKNOWN;
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}
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}
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static inline void
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u_copy_nv12_to_yv12(void *const *destination_data,
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uint32_t const *destination_pitches,
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int src_plane, int src_field,
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int src_stride, int num_fields,
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uint8_t const *src,
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int width, int height)
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{
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int x, y;
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unsigned u_stride = destination_pitches[2] * num_fields;
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unsigned v_stride = destination_pitches[1] * num_fields;
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uint8_t *u_dst = (uint8_t *)destination_data[2] + destination_pitches[2] * src_field;
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uint8_t *v_dst = (uint8_t *)destination_data[1] + destination_pitches[1] * src_field;
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/* TODO: SIMD */
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for (y = 0; y < height; y++) {
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for (x = 0; x < width; x++) {
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u_dst[x] = src[2*x];
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v_dst[x] = src[2*x+1];
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}
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u_dst += u_stride;
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v_dst += v_stride;
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src += src_stride;
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}
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}
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/**
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* \brief Copy YV12 chroma data while converting it NV12
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*
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* Given a set of YV12 source pointers and -pitches, copy the data to a
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* layout typical for NV12 video buffers.
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*
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* \param source data[in] The plane data pointers. Array of 3.
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* \param source_pitches[in] The plane pitches. Array of 3.
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* \param dst_plane[in] The destination plane to copy to. For NV12 always 1.
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* \param dst_field[in] The destination field if interlaced.
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* \param dst_stride[in] The destination stride for this plane.
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* \param num_fields[in] The number of fields in the video buffer.
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* \param dst[in] The destination plane pointer.
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* \param width[in] The source plane width.
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* \param height[in] The source plane height.
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*/
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static inline void
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u_copy_nv12_from_yv12(const void *const *source_data,
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uint32_t const *source_pitches,
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int dst_plane, int dst_field,
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int dst_stride, int num_fields,
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uint8_t *dst,
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int width, int height)
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{
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int x, y;
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unsigned u_stride = source_pitches[2] * num_fields;
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unsigned v_stride = source_pitches[1] * num_fields;
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uint8_t *u_src = (uint8_t *)source_data[2] + source_pitches[2] * dst_field;
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uint8_t *v_src = (uint8_t *)source_data[1] + source_pitches[1] * dst_field;
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/* TODO: SIMD */
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for (y = 0; y < height; y++) {
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for (x = 0; x < width; x++) {
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dst[2*x] = u_src[x];
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dst[2*x+1] = v_src[x];
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}
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u_src += u_stride;
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v_src += v_stride;
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dst += dst_stride;
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}
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}
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static inline void
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u_copy_yv12_to_nv12(void *const *destination_data,
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uint32_t const *destination_pitches,
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int src_plane, int src_field,
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int src_stride, int num_fields,
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uint8_t const *src,
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int width, int height)
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{
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int x, y;
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unsigned offset = 2 - src_plane;
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unsigned stride = destination_pitches[1] * num_fields;
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uint8_t *dst = (uint8_t *)destination_data[1] + destination_pitches[1] * src_field;
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/* TODO: SIMD */
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for (y = 0; y < height; y++) {
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for (x = 0; x < 2 * width; x += 2) {
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dst[x+offset] = src[x>>1];
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}
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dst += stride;
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src += src_stride;
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}
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}
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static inline void
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u_copy_swap422_packed(void *const *destination_data,
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uint32_t const *destination_pitches,
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int src_plane, int src_field,
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int src_stride, int num_fields,
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uint8_t const *src,
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int width, int height)
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{
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int x, y;
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unsigned stride = destination_pitches[0] * num_fields;
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uint8_t *dst = (uint8_t *)destination_data[0] + destination_pitches[0] * src_field;
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/* TODO: SIMD */
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for (y = 0; y < height; y++) {
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for (x = 0; x < 4 * width; x += 4) {
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dst[x+0] = src[x+1];
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dst[x+1] = src[x+0];
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dst[x+2] = src[x+3];
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dst[x+3] = src[x+2];
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}
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dst += stride;
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src += src_stride;
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}
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}
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static inline uint32_t
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u_get_h264_level(uint32_t width, uint32_t height, uint32_t *max_reference)
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{
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uint32_t max_dpb_mbs;
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width = align(width, 16);
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height = align(height, 16);
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/* Max references will be used for caculation of number of DPB buffers
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in the UVD driver, limitation of max references is 16. Some client
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like mpv application for VA-API, it requires references more than that,
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so we have to set max of references to 16 here. */
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*max_reference = MIN2(*max_reference, 16);
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max_dpb_mbs = (width / 16) * (height / 16) * *max_reference;
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/* The calculation is based on "Decoded picture buffering" section
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from http://en.wikipedia.org/wiki/H.264/MPEG-4_AVC */
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if (max_dpb_mbs <= 8100)
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return 30;
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else if (max_dpb_mbs <= 18000)
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return 31;
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else if (max_dpb_mbs <= 20480)
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return 32;
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else if (max_dpb_mbs <= 32768)
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return 41;
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else if (max_dpb_mbs <= 34816)
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return 42;
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else if (max_dpb_mbs <= 110400)
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return 50;
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else if (max_dpb_mbs <= 184320)
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return 51;
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else
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return 52;
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}
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#ifdef __cplusplus
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}
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#endif
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#endif /* U_VIDEO_H */
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