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