/*****************************************************************************
* chroma_neon.h
*****************************************************************************
* Copyright (C) 2011 Rémi Denis-Courmont
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
/* Planes must start on a 16-bytes boundary. Pitches must be multiples of 16
* bytes even for subsampled components. */
/* Planar picture buffer.
* Pitch corresponds to luminance component in bytes. Chrominance pitches are
* inferred from the color subsampling ratio. */
struct yuv_planes
{
void *y, *u, *v;
size_t pitch;
};
/* Planar chroma buffers.
* Pitch is in bytes. */
struct uv_planes
{
void *u, *v;
size_t pitch;
};
/* Packed picture buffer. Pitch is in bytes (_not_ pixels). */
struct yuv_pack
{
void *yuv;
size_t pitch;
};
/* YUYV to I422 conversion. */
void yuyv_i422_neon (struct yuv_planes *const out,
const struct yuv_pack *const in,
int width, int height);
/* UYVY to I422 conversion. */
void uyvy_i422_neon (struct yuv_planes *const out,
const struct yuv_pack *const in,
int width, int height);
/* Semiplanar to planar conversion. */
void deinterleave_chroma_neon (struct uv_planes *const out,
const struct yuv_pack *const in,
int width, int height);
/* I420 to RGBA conversion. */
void i420_rgb_neon (struct yuv_pack *const out,
const struct yuv_planes *const in,
int width, int height);
/* I420 to RV16 conversion. */
void i420_rv16_neon (struct yuv_pack *const out,
const struct yuv_planes *const in,
int width, int height);
/* NV21 to RGBA conversion. */
void nv21_rgb_neon (struct yuv_pack *const out,
const struct yuv_planes *const in,
int width, int height);
/* NV12 to RGBA conversion. */
void nv12_rgb_neon (struct yuv_pack *const out,
const struct yuv_planes *const in,
int width, int height);
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