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img_format.c
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img_format.c
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/*
* This file is part of MPlayer.
*
* MPlayer is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* MPlayer 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with MPlayer; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "config.h"
#include "img_format.h"
#include "stdio.h"
#include "libavutil/bswap.h"
const char *vo_format_name(int format)
{
static char unknown_format[20];
switch(format)
{
case IMGFMT_RGB1: return "RGB 1-bit";
case IMGFMT_RGB4: return "RGB 4-bit";
case IMGFMT_RG4B: return "RGB 4-bit per byte";
case IMGFMT_RGB8: return "RGB 8-bit";
case IMGFMT_RGB12: return "RGB 12-bit";
case IMGFMT_RGB15: return "RGB 15-bit";
case IMGFMT_RGB16: return "RGB 16-bit";
case IMGFMT_RGB24: return "RGB 24-bit";
// case IMGFMT_RGB32: return "RGB 32-bit";
case IMGFMT_RGB48LE: return "RGB 48-bit LE";
case IMGFMT_RGB48BE: return "RGB 48-bit BE";
case IMGFMT_RGB64LE: return "RGB 64-bit LE";
case IMGFMT_RGB64BE: return "RGB 64-bit BE";
case IMGFMT_BGR1: return "BGR 1-bit";
case IMGFMT_BGR4: return "BGR 4-bit";
case IMGFMT_BG4B: return "BGR 4-bit per byte";
case IMGFMT_BGR8: return "BGR 8-bit";
case IMGFMT_BGR12: return "BGR 12-bit";
case IMGFMT_BGR15: return "BGR 15-bit";
case IMGFMT_BGR16: return "BGR 16-bit";
case IMGFMT_BGR24: return "BGR 24-bit";
// case IMGFMT_BGR32: return "BGR 32-bit";
case IMGFMT_ABGR: return "ABGR";
case IMGFMT_BGRA: return "BGRA";
case IMGFMT_ARGB: return "ARGB";
case IMGFMT_RGBA: return "RGBA";
case IMGFMT_GBR24P: return "Planar GBR 24-bit";
case IMGFMT_YVU9: return "Planar YVU9";
case IMGFMT_IF09: return "Planar IF09";
case IMGFMT_YV12: return "Planar YV12";
case IMGFMT_I420: return "Planar I420";
case IMGFMT_IYUV: return "Planar IYUV";
case IMGFMT_CLPL: return "Planar CLPL";
case IMGFMT_Y800: return "Planar Y800";
case IMGFMT_Y8: return "Planar Y8";
case IMGFMT_420P16_LE: return "Planar 420P 16-bit little-endian";
case IMGFMT_420P16_BE: return "Planar 420P 16-bit big-endian";
case IMGFMT_420P10_LE: return "Planar 420P 10-bit little-endian";
case IMGFMT_420P10_BE: return "Planar 420P 10-bit big-endian";
case IMGFMT_420P9_LE: return "Planar 420P 9-bit little-endian";
case IMGFMT_420P9_BE: return "Planar 420P 9-bit big-endian";
case IMGFMT_422P16_LE: return "Planar 422P 16-bit little-endian";
case IMGFMT_422P16_BE: return "Planar 422P 16-bit big-endian";
case IMGFMT_422P10_LE: return "Planar 422P 10-bit little-endian";
case IMGFMT_422P10_BE: return "Planar 422P 10-bit big-endian";
case IMGFMT_422P9_LE: return "Planar 422P 9-bit little-endian";
case IMGFMT_422P9_BE: return "Planar 422P 9-bit big-endian";
case IMGFMT_444P16_LE: return "Planar 444P 16-bit little-endian";
case IMGFMT_444P16_BE: return "Planar 444P 16-bit big-endian";
case IMGFMT_444P10_LE: return "Planar 444P 10-bit little-endian";
case IMGFMT_444P10_BE: return "Planar 444P 10-bit big-endian";
case IMGFMT_444P9_LE: return "Planar 444P 9-bit little-endian";
case IMGFMT_444P9_BE: return "Planar 444P 9-bit big-endian";
case IMGFMT_420A: return "Planar 420P with alpha";
case IMGFMT_444P: return "Planar 444P";
case IMGFMT_444A: return "Planar 444P with alpha";
case IMGFMT_422P: return "Planar 422P";
case IMGFMT_411P: return "Planar 411P";
case IMGFMT_NV12: return "Planar NV12";
case IMGFMT_NV21: return "Planar NV21";
case IMGFMT_HM12: return "Planar NV12 Macroblock";
case IMGFMT_IUYV: return "Packed IUYV";
case IMGFMT_IY41: return "Packed IY41";
case IMGFMT_IYU1: return "Packed IYU1";
case IMGFMT_IYU2: return "Packed IYU2";
case IMGFMT_UYVY: return "Packed UYVY";
case IMGFMT_UYNV: return "Packed UYNV";
case IMGFMT_cyuv: return "Packed CYUV";
case IMGFMT_Y422: return "Packed Y422";
case IMGFMT_YUY2: return "Packed YUY2";
case IMGFMT_YUNV: return "Packed YUNV";
case IMGFMT_YVYU: return "Packed YVYU";
case IMGFMT_Y41P: return "Packed Y41P";
case IMGFMT_Y211: return "Packed Y211";
case IMGFMT_Y41T: return "Packed Y41T";
case IMGFMT_Y42T: return "Packed Y42T";
case IMGFMT_V422: return "Packed V422";
case IMGFMT_V655: return "Packed V655";
case IMGFMT_CLJR: return "Packed CLJR";
case IMGFMT_YUVP: return "Packed YUVP";
case IMGFMT_UYVP: return "Packed UYVP";
case IMGFMT_MPEGPES: return "Mpeg PES";
case IMGFMT_ZRMJPEGNI: return "Zoran MJPEG non-interlaced";
case IMGFMT_ZRMJPEGIT: return "Zoran MJPEG top field first";
case IMGFMT_ZRMJPEGIB: return "Zoran MJPEG bottom field first";
case IMGFMT_XVMC_MOCO_MPEG2: return "MPEG1/2 Motion Compensation";
case IMGFMT_XVMC_IDCT_MPEG2: return "MPEG1/2 Motion Compensation and IDCT";
case IMGFMT_VDPAU_MPEG1: return "MPEG1 VDPAU acceleration";
case IMGFMT_VDPAU_MPEG2: return "MPEG2 VDPAU acceleration";
case IMGFMT_VDPAU_H264: return "H.264 VDPAU acceleration";
case IMGFMT_VDPAU_MPEG4: return "MPEG-4 Part 2 VDPAU acceleration";
case IMGFMT_VDPAU_WMV3: return "WMV3 VDPAU acceleration";
case IMGFMT_VDPAU_VC1: return "VC1 VDPAU acceleration";
}
snprintf(unknown_format,20,"Unknown 0x%04x",format);
return unknown_format;
}
int mp_get_chroma_shift(int format, int *x_shift, int *y_shift, int *component_bits)
{
int xs = 0, ys = 0;
int bpp;
int err = 0;
int bits = 8;
if ((format & 0xff0000f0) == 0x34000050)
format = av_bswap32(format);
if ((format & 0xf00000ff) == 0x50000034) {
switch (format >> 24) {
case 0x50:
break;
case 0x51:
bits = 16;
break;
case 0x52:
bits = 10;
break;
case 0x53:
bits = 9;
break;
default:
err = 1;
break;
}
switch (format & 0x00ffffff) {
case 0x00343434: // 444
xs = 0;
ys = 0;
break;
case 0x00323234: // 422
xs = 1;
ys = 0;
break;
case 0x00303234: // 420
xs = 1;
ys = 1;
break;
case 0x00313134: // 411
xs = 2;
ys = 0;
break;
case 0x00303434: // 440
xs = 0;
ys = 1;
break;
default:
err = 1;
break;
}
} else switch (format) {
case IMGFMT_444A:
xs = 0;
ys = 0;
break;
case IMGFMT_420A:
case IMGFMT_I420:
case IMGFMT_IYUV:
case IMGFMT_YV12:
xs = 1;
ys = 1;
break;
case IMGFMT_IF09:
case IMGFMT_YVU9:
xs = 2;
ys = 2;
break;
case IMGFMT_Y8:
case IMGFMT_Y800:
xs = 31;
ys = 31;
break;
default:
err = 1;
break;
}
if (x_shift) *x_shift = xs;
if (y_shift) *y_shift = ys;
if (component_bits) *component_bits = bits;
bpp = 8 + ((16 >> xs) >> ys);
if (format == IMGFMT_420A || format == IMGFMT_444A)
bpp += 8;
bpp *= (bits + 7) >> 3;
return err ? 0 : bpp;
}