0,0 → 1,189 |
/************************************************************************** |
* |
* 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 |
|
#ifdef __cplusplus |
extern "C" { |
#endif |
|
#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" |
|
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_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; |
|
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; |
} |
} |
|
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 */ |