PeerStreamer

/*

 * 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"

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_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_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_422P16_LE: return "Planar 422P 16-bit little-endian";

    case IMGFMT_422P16_BE: return "Planar 422P 16-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_420A: return "Planar 420P with alpha";

    case IMGFMT_444P: return "Planar 444P";

    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 xs = 0, ys = 0;

    int bpp;

    int bpp_factor = 1;

    int err = 0;

    switch (format) {

    case IMGFMT_420P16_LE:

    case IMGFMT_420P16_BE:

        bpp_factor = 2;

    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_444P16_LE:

    case IMGFMT_444P16_BE:

        bpp_factor = 2;

    case IMGFMT_444P:

        xs = 0;

        ys = 0;

        break;

    case IMGFMT_422P16_LE:

    case IMGFMT_422P16_BE:

        bpp_factor = 2;

    case IMGFMT_422P:

        xs = 1;

        ys = 0;

        break;

    case IMGFMT_411P:

        xs = 2;

        ys = 0;

        break;

    case IMGFMT_440P:

        xs = 0;

        ys = 1;

        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;

    bpp = 8 + ((16 >> xs) >> ys);

    if (format == IMGFMT_420A)

        bpp += 8;

    bpp *= bpp_factor;

    return err ? 0 : bpp;

}