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FFmpeg/libavutil/pixdesc.c

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/*
* pixel format descriptor
* Copyright (c) 2009 Michael Niedermayer <michaelni@gmx.at>
*
* This file is part of Libav.
*
* Libav 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.
*
* Libav 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 Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <stdio.h>
#include <string.h>
#include "common.h"
#include "pixfmt.h"
#include "pixdesc.h"
#include "intreadwrite.h"
void av_read_image_line(uint16_t *dst,
const uint8_t *data[4], const int linesize[4],
const AVPixFmtDescriptor *desc,
int x, int y, int c, int w,
int read_pal_component)
{
AVComponentDescriptor comp = desc->comp[c];
int plane = comp.plane;
int depth = comp.depth_minus1 + 1;
int mask = (1 << depth) - 1;
int shift = comp.shift;
int step = comp.step_minus1 + 1;
int flags = desc->flags;
if (flags & PIX_FMT_BITSTREAM) {
int skip = x * step + comp.offset_plus1 - 1;
const uint8_t *p = data[plane] + y * linesize[plane] + (skip >> 3);
int shift = 8 - depth - (skip & 7);
while (w--) {
int val = (*p >> shift) & mask;
if (read_pal_component)
val = data[1][4*val + c];
shift -= step;
p -= shift >> 3;
shift &= 7;
*dst++ = val;
}
} else {
const uint8_t *p = data[plane] + y * linesize[plane] +
x * step + comp.offset_plus1 - 1;
int is_8bit = shift + depth <= 8;
if (is_8bit)
p += !!(flags & PIX_FMT_BE);
while (w--) {
int val = is_8bit ? *p :
flags & PIX_FMT_BE ? AV_RB16(p) : AV_RL16(p);
val = (val >> shift) & mask;
if (read_pal_component)
val = data[1][4 * val + c];
p += step;
*dst++ = val;
}
}
}
void av_write_image_line(const uint16_t *src,
uint8_t *data[4], const int linesize[4],
const AVPixFmtDescriptor *desc,
int x, int y, int c, int w)
{
AVComponentDescriptor comp = desc->comp[c];
int plane = comp.plane;
int depth = comp.depth_minus1 + 1;
int step = comp.step_minus1 + 1;
int flags = desc->flags;
if (flags & PIX_FMT_BITSTREAM) {
int skip = x * step + comp.offset_plus1 - 1;
uint8_t *p = data[plane] + y * linesize[plane] + (skip >> 3);
int shift = 8 - depth - (skip & 7);
while (w--) {
*p |= *src++ << shift;
shift -= step;
p -= shift >> 3;
shift &= 7;
}
} else {
int shift = comp.shift;
uint8_t *p = data[plane] + y * linesize[plane] +
x * step + comp.offset_plus1 - 1;
if (shift + depth <= 8) {
p += !!(flags & PIX_FMT_BE);
while (w--) {
*p |= (*src++ << shift);
p += step;
}
} else {
while (w--) {
if (flags & PIX_FMT_BE) {
uint16_t val = AV_RB16(p) | (*src++ << shift);
AV_WB16(p, val);
} else {
uint16_t val = AV_RL16(p) | (*src++ << shift);
AV_WL16(p, val);
}
p += step;
}
}
}
}
#if !FF_API_PIX_FMT_DESC
static
#endif
const AVPixFmtDescriptor av_pix_fmt_descriptors[AV_PIX_FMT_NB] = {
[AV_PIX_FMT_YUV420P] = {
.name = "yuv420p",
.nb_components = 3,
.log2_chroma_w = 1,
.log2_chroma_h = 1,
.comp = {
{ 0, 0, 1, 0, 7 }, /* Y */
{ 1, 0, 1, 0, 7 }, /* U */
{ 2, 0, 1, 0, 7 }, /* V */
},
.flags = PIX_FMT_PLANAR,
},
[AV_PIX_FMT_YUYV422] = {
.name = "yuyv422",
.nb_components = 3,
.log2_chroma_w = 1,
.log2_chroma_h = 0,
.comp = {
{ 0, 1, 1, 0, 7 }, /* Y */
{ 0, 3, 2, 0, 7 }, /* U */
{ 0, 3, 4, 0, 7 }, /* V */
},
},
[AV_PIX_FMT_RGB24] = {
.name = "rgb24",
.nb_components = 3,
.log2_chroma_w = 0,
.log2_chroma_h = 0,
.comp = {
{ 0, 2, 1, 0, 7 }, /* R */
{ 0, 2, 2, 0, 7 }, /* G */
{ 0, 2, 3, 0, 7 }, /* B */
},
.flags = PIX_FMT_RGB,
},
[AV_PIX_FMT_BGR24] = {
.name = "bgr24",
.nb_components = 3,
.log2_chroma_w = 0,
.log2_chroma_h = 0,
.comp = {
{ 0, 2, 1, 0, 7 }, /* B */
{ 0, 2, 2, 0, 7 }, /* G */
{ 0, 2, 3, 0, 7 }, /* R */
},
.flags = PIX_FMT_RGB,
},
[AV_PIX_FMT_YUV422P] = {
.name = "yuv422p",
.nb_components = 3,
.log2_chroma_w = 1,
.log2_chroma_h = 0,
.comp = {
{ 0, 0, 1, 0, 7 }, /* Y */
{ 1, 0, 1, 0, 7 }, /* U */
{ 2, 0, 1, 0, 7 }, /* V */
},
.flags = PIX_FMT_PLANAR,
},
[AV_PIX_FMT_YUV444P] = {
.name = "yuv444p",
.nb_components = 3,
.log2_chroma_w = 0,
.log2_chroma_h = 0,
.comp = {
{ 0, 0, 1, 0, 7 }, /* Y */
{ 1, 0, 1, 0, 7 }, /* U */
{ 2, 0, 1, 0, 7 }, /* V */
},
.flags = PIX_FMT_PLANAR,
},
[AV_PIX_FMT_YUV410P] = {
.name = "yuv410p",
.nb_components = 3,
.log2_chroma_w = 2,
.log2_chroma_h = 2,
.comp = {
{ 0, 0, 1, 0, 7 }, /* Y */
{ 1, 0, 1, 0, 7 }, /* U */
{ 2, 0, 1, 0, 7 }, /* V */
},
.flags = PIX_FMT_PLANAR,
},
[AV_PIX_FMT_YUV411P] = {
.name = "yuv411p",
.nb_components = 3,
.log2_chroma_w = 2,
.log2_chroma_h = 0,
.comp = {
{ 0, 0, 1, 0, 7 }, /* Y */
{ 1, 0, 1, 0, 7 }, /* U */
{ 2, 0, 1, 0, 7 }, /* V */
},
.flags = PIX_FMT_PLANAR,
},
[AV_PIX_FMT_GRAY8] = {
.name = "gray",
.nb_components = 1,
.log2_chroma_w = 0,
.log2_chroma_h = 0,
.comp = {
{ 0, 0, 1, 0, 7 }, /* Y */
},
},
[AV_PIX_FMT_MONOWHITE] = {
.name = "monow",
.nb_components = 1,
.log2_chroma_w = 0,
.log2_chroma_h = 0,
.comp = {
{ 0, 0, 1, 0, 0 }, /* Y */
},
.flags = PIX_FMT_BITSTREAM,
},
[AV_PIX_FMT_MONOBLACK] = {
.name = "monob",
.nb_components = 1,
.log2_chroma_w = 0,
.log2_chroma_h = 0,
.comp = {
{ 0, 0, 1, 7, 0 }, /* Y */
},
.flags = PIX_FMT_BITSTREAM,
},
[AV_PIX_FMT_PAL8] = {
.name = "pal8",
.nb_components = 1,
.log2_chroma_w = 0,
.log2_chroma_h = 0,
.comp = {
{ 0, 0, 1, 0, 7 },
},
.flags = PIX_FMT_PAL,
},
[AV_PIX_FMT_YUVJ420P] = {
.name = "yuvj420p",
.nb_components = 3,
.log2_chroma_w = 1,
.log2_chroma_h = 1,
.comp = {
{ 0, 0, 1, 0, 7 }, /* Y */
{ 1, 0, 1, 0, 7 }, /* U */
{ 2, 0, 1, 0, 7 }, /* V */
},
.flags = PIX_FMT_PLANAR,
},
[AV_PIX_FMT_YUVJ422P] = {
.name = "yuvj422p",
.nb_components = 3,
.log2_chroma_w = 1,
.log2_chroma_h = 0,
.comp = {
{ 0, 0, 1, 0, 7 }, /* Y */
{ 1, 0, 1, 0, 7 }, /* U */
{ 2, 0, 1, 0, 7 }, /* V */
},
.flags = PIX_FMT_PLANAR,
},
[AV_PIX_FMT_YUVJ444P] = {
.name = "yuvj444p",
.nb_components = 3,
.log2_chroma_w = 0,
.log2_chroma_h = 0,
.comp = {
{0, 0, 1, 0, 7}, /* Y */
{1, 0, 1, 0, 7}, /* U */
{2, 0, 1, 0, 7}, /* V */
},
.flags = PIX_FMT_PLANAR,
},
[AV_PIX_FMT_XVMC_MPEG2_MC] = {
.name = "xvmcmc",
.flags = PIX_FMT_HWACCEL,
},
[AV_PIX_FMT_XVMC_MPEG2_IDCT] = {
.name = "xvmcidct",
.flags = PIX_FMT_HWACCEL,
},
[AV_PIX_FMT_UYVY422] = {
.name = "uyvy422",
.nb_components = 3,
.log2_chroma_w = 1,
.log2_chroma_h = 0,
.comp = {
{ 0, 1, 2, 0, 7 }, /* Y */
{ 0, 3, 1, 0, 7 }, /* U */
{ 0, 3, 3, 0, 7 }, /* V */
},
},
[AV_PIX_FMT_UYYVYY411] = {
.name = "uyyvyy411",
.nb_components = 3,
.log2_chroma_w = 2,
.log2_chroma_h = 0,
.comp = {
{ 0, 3, 2, 0, 7 }, /* Y */
{ 0, 5, 1, 0, 7 }, /* U */
{ 0, 5, 4, 0, 7 }, /* V */
},
},
[AV_PIX_FMT_BGR8] = {
.name = "bgr8",
.nb_components = 3,
.log2_chroma_w = 0,
.log2_chroma_h = 0,
.comp = {
{ 0, 0, 1, 6, 1 }, /* B */
{ 0, 0, 1, 3, 2 }, /* G */
{ 0, 0, 1, 0, 2 }, /* R */
},
.flags = PIX_FMT_RGB | PIX_FMT_PSEUDOPAL,
},
[AV_PIX_FMT_BGR4] = {
.name = "bgr4",
.nb_components = 3,
.log2_chroma_w = 0,
.log2_chroma_h = 0,
.comp = {
{ 0, 3, 1, 0, 0 }, /* B */
{ 0, 3, 2, 0, 1 }, /* G */
{ 0, 3, 4, 0, 0 }, /* R */
},
.flags = PIX_FMT_BITSTREAM | PIX_FMT_RGB,
},
[AV_PIX_FMT_BGR4_BYTE] = {
.name = "bgr4_byte",
.nb_components = 3,
.log2_chroma_w = 0,
.log2_chroma_h = 0,
.comp = {
{ 0, 0, 1, 3, 0 }, /* B */
{ 0, 0, 1, 1, 1 }, /* G */
{ 0, 0, 1, 0, 0 }, /* R */
},
.flags = PIX_FMT_RGB | PIX_FMT_PSEUDOPAL,
},
[AV_PIX_FMT_RGB8] = {
.name = "rgb8",
.nb_components = 3,
.log2_chroma_w = 0,
.log2_chroma_h = 0,
.comp = {
{ 0, 0, 1, 6, 1 }, /* R */
{ 0, 0, 1, 3, 2 }, /* G */
{ 0, 0, 1, 0, 2 }, /* B */
},
.flags = PIX_FMT_RGB | PIX_FMT_PSEUDOPAL,
},
[AV_PIX_FMT_RGB4] = {
.name = "rgb4",
.nb_components = 3,
.log2_chroma_w = 0,
.log2_chroma_h = 0,
.comp = {
{ 0, 3, 1, 0, 0 }, /* R */
{ 0, 3, 2, 0, 1 }, /* G */
{ 0, 3, 4, 0, 0 }, /* B */
},
.flags = PIX_FMT_BITSTREAM | PIX_FMT_RGB,
},
[AV_PIX_FMT_RGB4_BYTE] = {
.name = "rgb4_byte",
.nb_components = 3,
.log2_chroma_w = 0,
.log2_chroma_h = 0,
.comp = {
{ 0, 0, 1, 3, 0 }, /* R */
{ 0, 0, 1, 1, 1 }, /* G */
{ 0, 0, 1, 0, 0 }, /* B */
},
.flags = PIX_FMT_RGB | PIX_FMT_PSEUDOPAL,
},
[AV_PIX_FMT_NV12] = {
.name = "nv12",
.nb_components = 3,
.log2_chroma_w = 1,
.log2_chroma_h = 1,
.comp = {
{ 0, 0, 1, 0, 7 }, /* Y */
{ 1, 1, 1, 0, 7 }, /* U */
{ 1, 1, 2, 0, 7 }, /* V */
},
.flags = PIX_FMT_PLANAR,
},
[AV_PIX_FMT_NV21] = {
.name = "nv21",
.nb_components = 3,
.log2_chroma_w = 1,
.log2_chroma_h = 1,
.comp = {
{ 0, 0, 1, 0, 7 }, /* Y */
{ 1, 1, 1, 0, 7 }, /* V */
{ 1, 1, 2, 0, 7 }, /* U */
},
.flags = PIX_FMT_PLANAR,
},
[AV_PIX_FMT_ARGB] = {
.name = "argb",
.nb_components = 4,
.log2_chroma_w = 0,
.log2_chroma_h = 0,
.comp = {
{ 0, 3, 1, 0, 7 }, /* A */
{ 0, 3, 2, 0, 7 }, /* R */
{ 0, 3, 3, 0, 7 }, /* G */
{ 0, 3, 4, 0, 7 }, /* B */
},
.flags = PIX_FMT_RGB,
},
[AV_PIX_FMT_RGBA] = {
.name = "rgba",
.nb_components = 4,
.log2_chroma_w = 0,
.log2_chroma_h = 0,
.comp = {
{ 0, 3, 1, 0, 7 }, /* R */
{ 0, 3, 2, 0, 7 }, /* G */
{ 0, 3, 3, 0, 7 }, /* B */
{ 0, 3, 4, 0, 7 }, /* A */
},
.flags = PIX_FMT_RGB,
},
[AV_PIX_FMT_ABGR] = {
.name = "abgr",
.nb_components = 4,
.log2_chroma_w = 0,
.log2_chroma_h = 0,
.comp = {
{ 0, 3, 1, 0, 7 }, /* A */
{ 0, 3, 2, 0, 7 }, /* B */
{ 0, 3, 3, 0, 7 }, /* G */
{ 0, 3, 4, 0, 7 }, /* R */
},
.flags = PIX_FMT_RGB,
},
[AV_PIX_FMT_BGRA] = {
.name = "bgra",
.nb_components = 4,
.log2_chroma_w = 0,
.log2_chroma_h = 0,
.comp = {
{ 0, 3, 1, 0, 7 }, /* B */
{ 0, 3, 2, 0, 7 }, /* G */
{ 0, 3, 3, 0, 7 }, /* R */
{ 0, 3, 4, 0, 7 }, /* A */
},
.flags = PIX_FMT_RGB,
},
[AV_PIX_FMT_GRAY16BE] = {
.name = "gray16be",
.nb_components = 1,
.log2_chroma_w = 0,
.log2_chroma_h = 0,
.comp = {
{ 0, 1, 1, 0, 15 }, /* Y */
},
.flags = PIX_FMT_BE,
},
[AV_PIX_FMT_GRAY16LE] = {
.name = "gray16le",
.nb_components = 1,
.log2_chroma_w = 0,
.log2_chroma_h = 0,
.comp = {
{ 0, 1, 1, 0, 15 }, /* Y */
},
},
[AV_PIX_FMT_YUV440P] = {
.name = "yuv440p",
.nb_components = 3,
.log2_chroma_w = 0,
.log2_chroma_h = 1,
.comp = {
{ 0, 0, 1, 0, 7 }, /* Y */
{ 1, 0, 1, 0, 7 }, /* U */
{ 2, 0, 1, 0, 7 }, /* V */
},
.flags = PIX_FMT_PLANAR,
},
[AV_PIX_FMT_YUVJ440P] = {
.name = "yuvj440p",
.nb_components = 3,
.log2_chroma_w = 0,
.log2_chroma_h = 1,
.comp = {
{ 0, 0, 1, 0, 7 }, /* Y */
{ 1, 0, 1, 0, 7 }, /* U */
{ 2, 0, 1, 0, 7 }, /* V */
},
.flags = PIX_FMT_PLANAR,
},
[AV_PIX_FMT_YUVA420P] = {
.name = "yuva420p",
.nb_components = 4,
.log2_chroma_w = 1,
.log2_chroma_h = 1,
.comp = {
{ 0, 0, 1, 0, 7 }, /* Y */
{ 1, 0, 1, 0, 7 }, /* U */
{ 2, 0, 1, 0, 7 }, /* V */
{ 3, 0, 1, 0, 7 }, /* A */
},
.flags = PIX_FMT_PLANAR,
},
[AV_PIX_FMT_YUVA422P] = {
.name = "yuva422p",
.nb_components = 4,
.log2_chroma_w = 1,
.log2_chroma_h = 0,
.comp = {
{ 0, 0, 1, 0, 7 }, /* Y */
{ 1, 0, 1, 0, 7 }, /* U */
{ 2, 0, 1, 0, 7 }, /* V */
{ 3, 0, 1, 0, 7 }, /* A */
},
.flags = PIX_FMT_PLANAR,
},
[AV_PIX_FMT_YUVA444P] = {
.name = "yuva444p",
.nb_components = 4,
.log2_chroma_w = 0,
.log2_chroma_h = 0,
.comp = {
{ 0, 0, 1, 0, 7 }, /* Y */
{ 1, 0, 1, 0, 7 }, /* U */
{ 2, 0, 1, 0, 7 }, /* V */
{ 3, 0, 1, 0, 7 }, /* A */
},
.flags = PIX_FMT_PLANAR,
},
[AV_PIX_FMT_YUVA420P9BE] = {
.name = "yuva420p9be",
.nb_components = 4,
.log2_chroma_w = 1,
.log2_chroma_h = 1,
.comp = {
{ 0, 1, 1, 0, 8 }, /* Y */
{ 1, 1, 1, 0, 8 }, /* U */
{ 2, 1, 1, 0, 8 }, /* V */
{ 3, 1, 1, 0, 8 }, /* A */
},
.flags = PIX_FMT_BE | PIX_FMT_PLANAR,
},
[AV_PIX_FMT_YUVA420P9LE] = {
.name = "yuva420p9le",
.nb_components = 4,
.log2_chroma_w = 1,
.log2_chroma_h = 1,
.comp = {
{ 0, 1, 1, 0, 8 }, /* Y */
{ 1, 1, 1, 0, 8 }, /* U */
{ 2, 1, 1, 0, 8 }, /* V */
{ 3, 1, 1, 0, 8 }, /* A */
},
.flags = PIX_FMT_PLANAR,
},
[AV_PIX_FMT_YUVA422P9BE] = {
.name = "yuva422p9be",
.nb_components = 4,
.log2_chroma_w = 1,
.log2_chroma_h = 0,
.comp = {
{ 0, 1, 1, 0, 8 }, /* Y */
{ 1, 1, 1, 0, 8 }, /* U */
{ 2, 1, 1, 0, 8 }, /* V */
{ 3, 1, 1, 0, 8 }, /* A */
},
.flags = PIX_FMT_BE | PIX_FMT_PLANAR,
},
[AV_PIX_FMT_YUVA422P9LE] = {
.name = "yuva422p9le",
.nb_components = 4,
.log2_chroma_w = 1,
.log2_chroma_h = 0,
.comp = {
{ 0, 1, 1, 0, 8 }, /* Y */
{ 1, 1, 1, 0, 8 }, /* U */
{ 2, 1, 1, 0, 8 }, /* V */
{ 3, 1, 1, 0, 8 }, /* A */
},
.flags = PIX_FMT_PLANAR,
},
[AV_PIX_FMT_YUVA444P9BE] = {
.name = "yuva444p9be",
.nb_components = 4,
.log2_chroma_w = 0,
.log2_chroma_h = 0,
.comp = {
{ 0, 1, 1, 0, 8 }, /* Y */
{ 1, 1, 1, 0, 8 }, /* U */
{ 2, 1, 1, 0, 8 }, /* V */
{ 3, 1, 1, 0, 8 }, /* A */
},
.flags = PIX_FMT_BE | PIX_FMT_PLANAR,
},
[AV_PIX_FMT_YUVA444P9LE] = {
.name = "yuva444p9le",
.nb_components = 4,
.log2_chroma_w = 0,
.log2_chroma_h = 0,
.comp = {
{ 0, 1, 1, 0, 8 }, /* Y */
{ 1, 1, 1, 0, 8 }, /* U */
{ 2, 1, 1, 0, 8 }, /* V */
{ 3, 1, 1, 0, 8 }, /* A */
},
.flags = PIX_FMT_PLANAR,
},
[AV_PIX_FMT_YUVA420P10BE] = {
.name = "yuva420p10be",
.nb_components = 4,
.log2_chroma_w = 1,
.log2_chroma_h = 1,
.comp = {
{ 0, 1, 1, 0, 9 }, /* Y */
{ 1, 1, 1, 0, 9 }, /* U */
{ 2, 1, 1, 0, 9 }, /* V */
{ 3, 1, 1, 0, 9 }, /* A */
},
.flags = PIX_FMT_BE | PIX_FMT_PLANAR,
},
[AV_PIX_FMT_YUVA420P10LE] = {
.name = "yuva420p10le",
.nb_components = 4,
.log2_chroma_w = 1,
.log2_chroma_h = 1,
.comp = {
{ 0, 1, 1, 0, 15 }, /* Y */
{ 1, 1, 1, 0, 15 }, /* U */
{ 2, 1, 1, 0, 15 }, /* V */
{ 3, 1, 1, 0, 15 }, /* A */
},
.flags = PIX_FMT_PLANAR,
},
[AV_PIX_FMT_YUVA422P10BE] = {
.name = "yuva422p10be",
.nb_components = 4,
.log2_chroma_w = 1,
.log2_chroma_h = 0,
.comp = {
{ 0, 1, 1, 0, 15 }, /* Y */
{ 1, 1, 1, 0, 15 }, /* U */
{ 2, 1, 1, 0, 15 }, /* V */
{ 3, 1, 1, 0, 15 }, /* A */
},
.flags = PIX_FMT_BE | PIX_FMT_PLANAR,
},
[AV_PIX_FMT_YUVA422P10LE] = {
.name = "yuva422p10le",
.nb_components = 4,
.log2_chroma_w = 1,
.log2_chroma_h = 0,
.comp = {
{ 0, 1, 1, 0, 15 }, /* Y */
{ 1, 1, 1, 0, 15 }, /* U */
{ 2, 1, 1, 0, 15 }, /* V */
{ 3, 1, 1, 0, 15 }, /* A */
},
.flags = PIX_FMT_PLANAR,
},
[AV_PIX_FMT_YUVA444P10BE] = {
.name = "yuva444p10be",
.nb_components = 4,
.log2_chroma_w = 0,
.log2_chroma_h = 0,
.comp = {
{ 0, 1, 1, 0, 15 }, /* Y */
{ 1, 1, 1, 0, 15 }, /* U */
{ 2, 1, 1, 0, 15 }, /* V */
{ 3, 1, 1, 0, 15 }, /* A */
},
.flags = PIX_FMT_BE | PIX_FMT_PLANAR,
},
[AV_PIX_FMT_YUVA444P10LE] = {
.name = "yuva444p10le",
.nb_components = 4,
.log2_chroma_w = 0,
.log2_chroma_h = 0,
.comp = {
{ 0, 1, 1, 0, 15 }, /* Y */
{ 1, 1, 1, 0, 15 }, /* U */
{ 2, 1, 1, 0, 15 }, /* V */
{ 3, 1, 1, 0, 15 }, /* A */
},
.flags = PIX_FMT_PLANAR,
},
[AV_PIX_FMT_YUVA420P16BE] = {
.name = "yuva420p16be",
.nb_components = 4,
.log2_chroma_w = 1,
.log2_chroma_h = 1,
.comp = {
{ 0, 1, 1, 0, 15 }, /* Y */
{ 1, 1, 1, 0, 15 }, /* U */
{ 2, 1, 1, 0, 15 }, /* V */
{ 3, 1, 1, 0, 15 }, /* A */
},
.flags = PIX_FMT_BE | PIX_FMT_PLANAR,
},
[AV_PIX_FMT_YUVA420P16LE] = {
.name = "yuva420p16le",
.nb_components = 4,
.log2_chroma_w = 1,
.log2_chroma_h = 1,
.comp = {
{ 0, 1, 1, 0, 15 }, /* Y */
{ 1, 1, 1, 0, 15 }, /* U */
{ 2, 1, 1, 0, 15 }, /* V */
{ 3, 1, 1, 0, 15 }, /* A */
},
.flags = PIX_FMT_PLANAR,
},
[AV_PIX_FMT_YUVA422P16BE] = {
.name = "yuva422p16be",
.nb_components = 4,
.log2_chroma_w = 1,
.log2_chroma_h = 0,
.comp = {
{ 0, 1, 1, 0, 15 }, /* Y */
{ 1, 1, 1, 0, 15 }, /* U */
{ 2, 1, 1, 0, 15 }, /* V */
{ 3, 1, 1, 0, 15 }, /* A */
},
.flags = PIX_FMT_BE | PIX_FMT_PLANAR,
},
[AV_PIX_FMT_YUVA422P16LE] = {
.name = "yuva422p16le",
.nb_components = 4,
.log2_chroma_w = 1,
.log2_chroma_h = 0,
.comp = {
{ 0, 1, 1, 0, 15 }, /* Y */
{ 1, 1, 1, 0, 15 }, /* U */
{ 2, 1, 1, 0, 15 }, /* V */
{ 3, 1, 1, 0, 15 }, /* A */
},
.flags = PIX_FMT_PLANAR,
},
[AV_PIX_FMT_YUVA444P16BE] = {
.name = "yuva444p16be",
.nb_components = 4,
.log2_chroma_w = 0,
.log2_chroma_h = 0,
.comp = {
{ 0, 1, 1, 0, 15 }, /* Y */
{ 1, 1, 1, 0, 15 }, /* U */
{ 2, 1, 1, 0, 15 }, /* V */
{ 3, 1, 1, 0, 15 }, /* A */
},
.flags = PIX_FMT_BE | PIX_FMT_PLANAR,
},
[AV_PIX_FMT_YUVA444P16LE] = {
.name = "yuva444p16le",
.nb_components = 4,
.log2_chroma_w = 0,
.log2_chroma_h = 0,
.comp = {
{ 0, 1, 1, 0, 15 }, /* Y */
{ 1, 1, 1, 0, 15 }, /* U */
{ 2, 1, 1, 0, 15 }, /* V */
{ 3, 1, 1, 0, 15 }, /* A */
},
.flags = PIX_FMT_PLANAR,
},
[AV_PIX_FMT_VDPAU_H264] = {
.name = "vdpau_h264",
.log2_chroma_w = 1,
.log2_chroma_h = 1,
.flags = PIX_FMT_HWACCEL,
},
[AV_PIX_FMT_VDPAU_MPEG1] = {
.name = "vdpau_mpeg1",
.log2_chroma_w = 1,
.log2_chroma_h = 1,
.flags = PIX_FMT_HWACCEL,
},
[AV_PIX_FMT_VDPAU_MPEG2] = {
.name = "vdpau_mpeg2",
.log2_chroma_w = 1,
.log2_chroma_h = 1,
.flags = PIX_FMT_HWACCEL,
},
[AV_PIX_FMT_VDPAU_WMV3] = {
.name = "vdpau_wmv3",
.log2_chroma_w = 1,
.log2_chroma_h = 1,
.flags = PIX_FMT_HWACCEL,
},
[AV_PIX_FMT_VDPAU_VC1] = {
.name = "vdpau_vc1",
.log2_chroma_w = 1,
.log2_chroma_h = 1,
.flags = PIX_FMT_HWACCEL,
},
[AV_PIX_FMT_VDPAU_MPEG4] = {
.name = "vdpau_mpeg4",
.log2_chroma_w = 1,
.log2_chroma_h = 1,
.flags = PIX_FMT_HWACCEL,
},
[AV_PIX_FMT_RGB48BE] = {
.name = "rgb48be",
.nb_components = 3,
.log2_chroma_w = 0,
.log2_chroma_h = 0,
.comp = {
{ 0, 5, 1, 0, 15 }, /* R */
{ 0, 5, 3, 0, 15 }, /* G */
{ 0, 5, 5, 0, 15 }, /* B */
},
.flags = PIX_FMT_RGB | PIX_FMT_BE,
},
[AV_PIX_FMT_RGB48LE] = {
.name = "rgb48le",
.nb_components = 3,
.log2_chroma_w = 0,
.log2_chroma_h = 0,
.comp = {
{ 0, 5, 1, 0, 15 }, /* R */
{ 0, 5, 3, 0, 15 }, /* G */
{ 0, 5, 5, 0, 15 }, /* B */
},
.flags = PIX_FMT_RGB,
},
[AV_PIX_FMT_RGB565BE] = {
.name = "rgb565be",
.nb_components = 3,
.log2_chroma_w = 0,
.log2_chroma_h = 0,
.comp = {
{ 0, 1, 0, 3, 4 }, /* R */
{ 0, 1, 1, 5, 5 }, /* G */
{ 0, 1, 1, 0, 4 }, /* B */
},
.flags = PIX_FMT_BE | PIX_FMT_RGB,
},
[AV_PIX_FMT_RGB565LE] = {
.name = "rgb565le",
.nb_components = 3,
.log2_chroma_w = 0,
.log2_chroma_h = 0,
.comp = {
{ 0, 1, 2, 3, 4 }, /* R */
{ 0, 1, 1, 5, 5 }, /* G */
{ 0, 1, 1, 0, 4 }, /* B */
},
.flags = PIX_FMT_RGB,
},
[AV_PIX_FMT_RGB555BE] = {
.name = "rgb555be",
.nb_components = 3,
.log2_chroma_w = 0,
.log2_chroma_h = 0,
.comp = {
{ 0, 1, 0, 2, 4 }, /* R */
{ 0, 1, 1, 5, 4 }, /* G */
{ 0, 1, 1, 0, 4 }, /* B */
},
.flags = PIX_FMT_BE | PIX_FMT_RGB,
},
[AV_PIX_FMT_RGB555LE] = {
.name = "rgb555le",
.nb_components = 3,
.log2_chroma_w = 0,
.log2_chroma_h = 0,
.comp = {
{ 0, 1, 2, 2, 4 }, /* R */
{ 0, 1, 1, 5, 4 }, /* G */
{ 0, 1, 1, 0, 4 }, /* B */
},
.flags = PIX_FMT_RGB,
},
[AV_PIX_FMT_RGB444BE] = {
.name = "rgb444be",
.nb_components = 3,
.log2_chroma_w = 0,
.log2_chroma_h = 0,
.comp = {
{ 0, 1, 0, 0, 3 }, /* R */
{ 0, 1, 1, 4, 3 }, /* G */
{ 0, 1, 1, 0, 3 }, /* B */
},
.flags = PIX_FMT_BE | PIX_FMT_RGB,
},
[AV_PIX_FMT_RGB444LE] = {
.name = "rgb444le",
.nb_components = 3,
.log2_chroma_w = 0,
.log2_chroma_h = 0,
.comp = {
{ 0, 1, 2, 0, 3 }, /* R */
{ 0, 1, 1, 4, 3 }, /* G */
{ 0, 1, 1, 0, 3 }, /* B */
},
.flags = PIX_FMT_RGB,
},
[AV_PIX_FMT_BGR48BE] = {
.name = "bgr48be",
.nb_components = 3,
.log2_chroma_w = 0,
.log2_chroma_h = 0,
.comp = {
{ 0, 5, 1, 0, 15 }, /* B */
{ 0, 5, 3, 0, 15 }, /* G */
{ 0, 5, 5, 0, 15 }, /* R */
},
.flags = PIX_FMT_BE | PIX_FMT_RGB,
},
[AV_PIX_FMT_BGR48LE] = {
.name = "bgr48le",
.nb_components = 3,
.log2_chroma_w = 0,
.log2_chroma_h = 0,
.comp = {
{ 0, 5, 1, 0, 15 }, /* B */
{ 0, 5, 3, 0, 15 }, /* G */
{ 0, 5, 5, 0, 15 }, /* R */
},
.flags = PIX_FMT_RGB,
},
[AV_PIX_FMT_BGR565BE] = {
.name = "bgr565be",
.nb_components = 3,
.log2_chroma_w = 0,
.log2_chroma_h = 0,
.comp = {
{ 0, 1, 0, 3, 4 }, /* B */
{ 0, 1, 1, 5, 5 }, /* G */
{ 0, 1, 1, 0, 4 }, /* R */
},
.flags = PIX_FMT_BE | PIX_FMT_RGB,
},
[AV_PIX_FMT_BGR565LE] = {
.name = "bgr565le",
.nb_components = 3,
.log2_chroma_w = 0,
.log2_chroma_h = 0,
.comp = {
{ 0, 1, 2, 3, 4 }, /* B */
{ 0, 1, 1, 5, 5 }, /* G */
{ 0, 1, 1, 0, 4 }, /* R */
},
.flags = PIX_FMT_RGB,
},
[AV_PIX_FMT_BGR555BE] = {
.name = "bgr555be",
.nb_components = 3,
.log2_chroma_w = 0,
.log2_chroma_h = 0,
.comp = {
{ 0, 1, 0, 2, 4 }, /* B */
{ 0, 1, 1, 5, 4 }, /* G */
{ 0, 1, 1, 0, 4 }, /* R */
},
.flags = PIX_FMT_BE | PIX_FMT_RGB,
},
[AV_PIX_FMT_BGR555LE] = {
.name = "bgr555le",
.nb_components = 3,
.log2_chroma_w = 0,
.log2_chroma_h = 0,
.comp = {
{ 0, 1, 2, 2, 4 }, /* B */
{ 0, 1, 1, 5, 4 }, /* G */
{ 0, 1, 1, 0, 4 }, /* R */
},
.flags = PIX_FMT_RGB,
},
[AV_PIX_FMT_BGR444BE] = {
.name = "bgr444be",
.nb_components = 3,
.log2_chroma_w = 0,
.log2_chroma_h = 0,
.comp = {
{ 0, 1, 0, 0, 3 }, /* B */
{ 0, 1, 1, 4, 3 }, /* G */
{ 0, 1, 1, 0, 3 }, /* R */
},
.flags = PIX_FMT_BE | PIX_FMT_RGB,
},
[AV_PIX_FMT_BGR444LE] = {
.name = "bgr444le",
.nb_components = 3,
.log2_chroma_w = 0,
.log2_chroma_h = 0,
.comp = {
{ 0, 1, 2, 0, 3 }, /* B */
{ 0, 1, 1, 4, 3 }, /* G */
{ 0, 1, 1, 0, 3 }, /* R */
},
.flags = PIX_FMT_RGB,
},
[AV_PIX_FMT_VAAPI_MOCO] = {
.name = "vaapi_moco",
.log2_chroma_w = 1,
.log2_chroma_h = 1,
.flags = PIX_FMT_HWACCEL,
},
[AV_PIX_FMT_VAAPI_IDCT] = {
.name = "vaapi_idct",
.log2_chroma_w = 1,
.log2_chroma_h = 1,
.flags = PIX_FMT_HWACCEL,
},
[AV_PIX_FMT_VAAPI_VLD] = {
.name = "vaapi_vld",
.log2_chroma_w = 1,
.log2_chroma_h = 1,
.flags = PIX_FMT_HWACCEL,
},
[AV_PIX_FMT_VDA_VLD] = {
.name = "vda_vld",
.log2_chroma_w = 1,
.log2_chroma_h = 1,
.flags = PIX_FMT_HWACCEL,
},
[AV_PIX_FMT_YUV420P9LE] = {
.name = "yuv420p9le",
.nb_components = 3,
.log2_chroma_w = 1,
.log2_chroma_h = 1,
.comp = {
{ 0, 1, 1, 0, 8 }, /* Y */
{ 1, 1, 1, 0, 8 }, /* U */
{ 2, 1, 1, 0, 8 }, /* V */
},
.flags = PIX_FMT_PLANAR,
},
[AV_PIX_FMT_YUV420P9BE] = {
.name = "yuv420p9be",
.nb_components = 3,
.log2_chroma_w = 1,
.log2_chroma_h = 1,
.comp = {
{ 0, 1, 1, 0, 8 }, /* Y */
{ 1, 1, 1, 0, 8 }, /* U */
{ 2, 1, 1, 0, 8 }, /* V */
},
.flags = PIX_FMT_BE | PIX_FMT_PLANAR,
},
[AV_PIX_FMT_YUV420P10LE] = {
.name = "yuv420p10le",
.nb_components = 3,
.log2_chroma_w = 1,
.log2_chroma_h = 1,
.comp = {
{ 0, 1, 1, 0, 9 }, /* Y */
{ 1, 1, 1, 0, 9 }, /* U */
{ 2, 1, 1, 0, 9 }, /* V */
},
.flags = PIX_FMT_PLANAR,
},
[AV_PIX_FMT_YUV420P10BE] = {
.name = "yuv420p10be",
.nb_components = 3,
.log2_chroma_w = 1,
.log2_chroma_h = 1,
.comp = {
{ 0, 1, 1, 0, 9 }, /* Y */
{ 1, 1, 1, 0, 9 }, /* U */
{ 2, 1, 1, 0, 9 }, /* V */
},
.flags = PIX_FMT_BE | PIX_FMT_PLANAR,
},
[AV_PIX_FMT_YUV420P16LE] = {
.name = "yuv420p16le",
.nb_components = 3,
.log2_chroma_w = 1,
.log2_chroma_h = 1,
.comp = {
{ 0, 1, 1, 0, 15 }, /* Y */
{ 1, 1, 1, 0, 15 }, /* U */
{ 2, 1, 1, 0, 15 }, /* V */
},
.flags = PIX_FMT_PLANAR,
},
[AV_PIX_FMT_YUV420P16BE] = {
.name = "yuv420p16be",
.nb_components = 3,
.log2_chroma_w = 1,
.log2_chroma_h = 1,
.comp = {
{ 0, 1, 1, 0, 15 }, /* Y */
{ 1, 1, 1, 0, 15 }, /* U */
{ 2, 1, 1, 0, 15 }, /* V */
},
.flags = PIX_FMT_BE | PIX_FMT_PLANAR,
},
[AV_PIX_FMT_YUV422P9LE] = {
.name = "yuv422p9le",
.nb_components = 3,
.log2_chroma_w = 1,
.log2_chroma_h = 0,
.comp = {
{ 0, 1, 1, 0, 8 }, /* Y */
{ 1, 1, 1, 0, 8 }, /* U */
{ 2, 1, 1, 0, 8 }, /* V */
},
.flags = PIX_FMT_PLANAR,
},
[AV_PIX_FMT_YUV422P9BE] = {
.name = "yuv422p9be",
.nb_components = 3,
.log2_chroma_w = 1,
.log2_chroma_h = 0,
.comp = {
{ 0, 1, 1, 0, 8 }, /* Y */
{ 1, 1, 1, 0, 8 }, /* U */
{ 2, 1, 1, 0, 8 }, /* V */
},
.flags = PIX_FMT_BE | PIX_FMT_PLANAR,
},
[AV_PIX_FMT_YUV422P10LE] = {
.name = "yuv422p10le",
.nb_components = 3,
.log2_chroma_w = 1,
.log2_chroma_h = 0,
.comp = {
{ 0, 1, 1, 0, 9 }, /* Y */
{ 1, 1, 1, 0, 9 }, /* U */
{ 2, 1, 1, 0, 9 }, /* V */
},
.flags = PIX_FMT_PLANAR,
},
[AV_PIX_FMT_YUV422P10BE] = {
.name = "yuv422p10be",
.nb_components = 3,
.log2_chroma_w = 1,
.log2_chroma_h = 0,
.comp = {
{ 0, 1, 1, 0, 9 }, /* Y */
{ 1, 1, 1, 0, 9 }, /* U */
{ 2, 1, 1, 0, 9 }, /* V */
},
.flags = PIX_FMT_BE | PIX_FMT_PLANAR,
},
[AV_PIX_FMT_YUV422P16LE] = {
.name = "yuv422p16le",
.nb_components = 3,
.log2_chroma_w = 1,
.log2_chroma_h = 0,
.comp = {
{ 0, 1, 1, 0, 15 }, /* Y */
{ 1, 1, 1, 0, 15 }, /* U */
{ 2, 1, 1, 0, 15 }, /* V */
},
.flags = PIX_FMT_PLANAR,
},
[AV_PIX_FMT_YUV422P16BE] = {
.name = "yuv422p16be",
.nb_components = 3,
.log2_chroma_w = 1,
.log2_chroma_h = 0,
.comp = {
{ 0, 1, 1, 0, 15 }, /* Y */
{ 1, 1, 1, 0, 15 }, /* U */
{ 2, 1, 1, 0, 15 }, /* V */
},
.flags = PIX_FMT_BE | PIX_FMT_PLANAR,
},
[AV_PIX_FMT_YUV444P16LE] = {
.name = "yuv444p16le",
.nb_components = 3,
.log2_chroma_w = 0,
.log2_chroma_h = 0,
.comp = {
{ 0, 1, 1, 0, 15 }, /* Y */
{ 1, 1, 1, 0, 15 }, /* U */
{ 2, 1, 1, 0, 15 }, /* V */
},
.flags = PIX_FMT_PLANAR,
},
[AV_PIX_FMT_YUV444P16BE] = {
.name = "yuv444p16be",
.nb_components = 3,
.log2_chroma_w = 0,
.log2_chroma_h = 0,
.comp = {
{ 0, 1, 1, 0, 15 }, /* Y */
{ 1, 1, 1, 0, 15 }, /* U */
{ 2, 1, 1, 0, 15 }, /* V */
},
.flags = PIX_FMT_BE | PIX_FMT_PLANAR,
},
[AV_PIX_FMT_YUV444P10LE] = {
.name = "yuv444p10le",
.nb_components = 3,
.log2_chroma_w = 0,
.log2_chroma_h = 0,
.comp = {
{ 0, 1, 1, 0, 9 }, /* Y */
{ 1, 1, 1, 0, 9 }, /* U */
{ 2, 1, 1, 0, 9 }, /* V */
},
.flags = PIX_FMT_PLANAR,
},
[AV_PIX_FMT_YUV444P10BE] = {
.name = "yuv444p10be",
.nb_components = 3,
.log2_chroma_w = 0,
.log2_chroma_h = 0,
.comp = {
{ 0, 1, 1, 0, 9 }, /* Y */
{ 1, 1, 1, 0, 9 }, /* U */
{ 2, 1, 1, 0, 9 }, /* V */
},
.flags = PIX_FMT_BE | PIX_FMT_PLANAR,
},
[AV_PIX_FMT_YUV444P9LE] = {
.name = "yuv444p9le",
.nb_components = 3,
.log2_chroma_w = 0,
.log2_chroma_h = 0,
.comp = {
{ 0, 1, 1, 0, 8 }, /* Y */
{ 1, 1, 1, 0, 8 }, /* U */
{ 2, 1, 1, 0, 8 }, /* V */
},
.flags = PIX_FMT_PLANAR,
},
[AV_PIX_FMT_YUV444P9BE] = {
.name = "yuv444p9be",
.nb_components = 3,
.log2_chroma_w = 0,
.log2_chroma_h = 0,
.comp = {
{ 0, 1, 1, 0, 8 }, /* Y */
{ 1, 1, 1, 0, 8 }, /* U */
{ 2, 1, 1, 0, 8 }, /* V */
},
.flags = PIX_FMT_BE | PIX_FMT_PLANAR,
},
[AV_PIX_FMT_DXVA2_VLD] = {
.name = "dxva2_vld",
.log2_chroma_w = 1,
.log2_chroma_h = 1,
.flags = PIX_FMT_HWACCEL,
},
[AV_PIX_FMT_Y400A] = {
.name = "y400a",
.nb_components = 2,
.comp = {
{ 0, 1, 1, 0, 7 }, /* Y */
{ 0, 1, 2, 0, 7 }, /* A */
},
},
[AV_PIX_FMT_GBRP] = {
.name = "gbrp",
.nb_components = 3,
.log2_chroma_w = 0,
.log2_chroma_h = 0,
.comp = {
{ 0, 0, 1, 0, 7 }, /* G */
{ 1, 0, 1, 0, 7 }, /* B */
{ 2, 0, 1, 0, 7 }, /* R */
},
.flags = PIX_FMT_PLANAR | PIX_FMT_RGB,
},
[AV_PIX_FMT_GBRP9LE] = {
.name = "gbrp9le",
.nb_components = 3,
.log2_chroma_w = 0,
.log2_chroma_h = 0,
.comp = {
{ 0, 1, 1, 0, 8 }, /* G */
{ 1, 1, 1, 0, 8 }, /* B */
{ 2, 1, 1, 0, 8 }, /* R */
},
.flags = PIX_FMT_PLANAR | PIX_FMT_RGB,
},
[AV_PIX_FMT_GBRP9BE] = {
.name = "gbrp9be",
.nb_components = 3,
.log2_chroma_w = 0,
.log2_chroma_h = 0,
.comp = {
{ 0, 1, 1, 0, 8 }, /* G */
{ 1, 1, 1, 0, 8 }, /* B */
{ 2, 1, 1, 0, 8 }, /* R */
},
.flags = PIX_FMT_BE | PIX_FMT_PLANAR | PIX_FMT_RGB,
},
[AV_PIX_FMT_GBRP10LE] = {
.name = "gbrp10le",
.nb_components = 3,
.log2_chroma_w = 0,
.log2_chroma_h = 0,
.comp = {
{ 0, 1, 1, 0, 9 }, /* G */
{ 1, 1, 1, 0, 9 }, /* B */
{ 2, 1, 1, 0, 9 }, /* R */
},
.flags = PIX_FMT_PLANAR | PIX_FMT_RGB,
},
[AV_PIX_FMT_GBRP10BE] = {
.name = "gbrp10be",
.nb_components = 3,
.log2_chroma_w = 0,
.log2_chroma_h = 0,
.comp = {
{ 0, 1, 1, 0, 9 }, /* G */
{ 1, 1, 1, 0, 9 }, /* B */
{ 2, 1, 1, 0, 9 }, /* R */
},
.flags = PIX_FMT_BE | PIX_FMT_PLANAR | PIX_FMT_RGB,
},
[AV_PIX_FMT_GBRP16LE] = {
.name = "gbrp16le",
.nb_components = 3,
.log2_chroma_w = 0,
.log2_chroma_h = 0,
.comp = {
{ 0, 1, 1, 0, 15 }, /* G */
{ 1, 1, 1, 0, 15 }, /* B */
{ 2, 1, 1, 0, 15 }, /* R */
},
.flags = PIX_FMT_PLANAR | PIX_FMT_RGB,
},
[AV_PIX_FMT_GBRP16BE] = {
.name = "gbrp16be",
.nb_components = 3,
.log2_chroma_w = 0,
.log2_chroma_h = 0,
.comp = {
{ 0, 1, 1, 0, 15 }, /* G */
{ 1, 1, 1, 0, 15 }, /* B */
{ 2, 1, 1, 0, 15 }, /* R */
},
.flags = PIX_FMT_BE | PIX_FMT_PLANAR | PIX_FMT_RGB,
},
};
static enum AVPixelFormat get_pix_fmt_internal(const char *name)
{
enum AVPixelFormat pix_fmt;
for (pix_fmt = 0; pix_fmt < AV_PIX_FMT_NB; pix_fmt++)
if (av_pix_fmt_descriptors[pix_fmt].name &&
!strcmp(av_pix_fmt_descriptors[pix_fmt].name, name))
return pix_fmt;
return AV_PIX_FMT_NONE;
}
const char *av_get_pix_fmt_name(enum AVPixelFormat pix_fmt)
{
return (unsigned)pix_fmt < AV_PIX_FMT_NB ?
av_pix_fmt_descriptors[pix_fmt].name : NULL;
}
#if HAVE_BIGENDIAN
# define X_NE(be, le) be
#else
# define X_NE(be, le) le
#endif
enum AVPixelFormat av_get_pix_fmt(const char *name)
{
enum AVPixelFormat pix_fmt;
if (!strcmp(name, "rgb32"))
name = X_NE("argb", "bgra");
else if (!strcmp(name, "bgr32"))
name = X_NE("abgr", "rgba");
pix_fmt = get_pix_fmt_internal(name);
if (pix_fmt == AV_PIX_FMT_NONE) {
char name2[32];
snprintf(name2, sizeof(name2), "%s%s", name, X_NE("be", "le"));
pix_fmt = get_pix_fmt_internal(name2);
}
return pix_fmt;
}
int av_get_bits_per_pixel(const AVPixFmtDescriptor *pixdesc)
{
int c, bits = 0;
int log2_pixels = pixdesc->log2_chroma_w + pixdesc->log2_chroma_h;
for (c = 0; c < pixdesc->nb_components; c++) {
int s = c == 1 || c == 2 ? 0 : log2_pixels;
bits += (pixdesc->comp[c].depth_minus1 + 1) << s;
}
return bits >> log2_pixels;
}
char *av_get_pix_fmt_string (char *buf, int buf_size, enum AVPixelFormat pix_fmt)
{
/* print header */
if (pix_fmt < 0) {
snprintf (buf, buf_size, "name" " nb_components" " nb_bits");
} else {
const AVPixFmtDescriptor *pixdesc = &av_pix_fmt_descriptors[pix_fmt];
snprintf(buf, buf_size, "%-11s %7d %10d", pixdesc->name,
pixdesc->nb_components, av_get_bits_per_pixel(pixdesc));
}
return buf;
}
const AVPixFmtDescriptor *av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt)
{
if (pix_fmt < 0 || pix_fmt >= AV_PIX_FMT_NB)
return NULL;
return &av_pix_fmt_descriptors[pix_fmt];
}
const AVPixFmtDescriptor *av_pix_fmt_desc_next(const AVPixFmtDescriptor *prev)
{
if (!prev)
return &av_pix_fmt_descriptors[0];
if (prev - av_pix_fmt_descriptors < FF_ARRAY_ELEMS(av_pix_fmt_descriptors) - 1)
return prev + 1;
return NULL;
}
enum AVPixelFormat av_pix_fmt_desc_get_id(const AVPixFmtDescriptor *desc)
{
if (desc < av_pix_fmt_descriptors ||
desc >= av_pix_fmt_descriptors + FF_ARRAY_ELEMS(av_pix_fmt_descriptors))
return AV_PIX_FMT_NONE;
return desc - av_pix_fmt_descriptors;
}