/* * 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 <stdio.h>#include <stdlib.h>#include <string.h> #if HAVE_MALLOC_H#include <malloc.h>#endif #include "img_format.h"#include "mp_image.h" #include "libvo/fastmemcpy.h"//#include "libavutil/mem.h" void mp_image_alloc_planes(mp_image_t *mpi) {  // IF09 - allocate space for 4. plane delta info - unused  if (mpi->imgfmt == IMGFMT_IF09) {    mpi->planes[0]=av_malloc(mpi->bpp*mpi->width*(mpi->height+2)/8+                            mpi->chroma_width*mpi->chroma_height);  } else    mpi->planes[0]=av_malloc(mpi->bpp*mpi->width*(mpi->height+2)/8);  if (mpi->flags&MP_IMGFLAG_PLANAR) {    int bpp = IMGFMT_IS_YUVP16(mpi->imgfmt)? 2 : 1;    // YV12/I420/YVU9/IF09. feel free to add other planar formats here...    mpi->stride[0]=mpi->stride[3]=bpp*mpi->width;    if(mpi->num_planes > 2){      mpi->stride[1]=mpi->stride[2]=bpp*mpi->chroma_width;      if(mpi->flags&MP_IMGFLAG_SWAPPED){        // I420/IYUV  (Y,U,V)        mpi->planes[1]=mpi->planes[0]+mpi->stride[0]*mpi->height;        mpi->planes[2]=mpi->planes[1]+mpi->stride[1]*mpi->chroma_height;        if (mpi->num_planes > 3)            mpi->planes[3]=mpi->planes[2]+mpi->stride[2]*mpi->chroma_height;      } else {        // YV12,YVU9,IF09  (Y,V,U)        mpi->planes[2]=mpi->planes[0]+mpi->stride[0]*mpi->height;        mpi->planes[1]=mpi->planes[2]+mpi->stride[1]*mpi->chroma_height;        if (mpi->num_planes > 3)            mpi->planes[3]=mpi->planes[1]+mpi->stride[1]*mpi->chroma_height;      }    } else {      // NV12/NV21      mpi->stride[1]=mpi->chroma_width;      mpi->planes[1]=mpi->planes[0]+mpi->stride[0]*mpi->height;    }  } else {    mpi->stride[0]=mpi->width*mpi->bpp/8;    if (mpi->flags & MP_IMGFLAG_RGB_PALETTE)      mpi->planes[1] = av_malloc(1024);  }  mpi->flags|=MP_IMGFLAG_ALLOCATED;} mp_image_t* alloc_mpi(int w, int h, unsigned long int fmt) {  mp_image_t* mpi = new_mp_image(w,h);   mp_image_setfmt(mpi,fmt);  mp_image_alloc_planes(mpi);   return mpi;} void copy_mpi(mp_image_t *dmpi, mp_image_t *mpi) {  if(mpi->flags&MP_IMGFLAG_PLANAR){    memcpy_pic(dmpi->planes[0],mpi->planes[0], mpi->w, mpi->h,               dmpi->stride[0],mpi->stride[0]);    memcpy_pic(dmpi->planes[1],mpi->planes[1], mpi->chroma_width, mpi->chroma_height,               dmpi->stride[1],mpi->stride[1]);    memcpy_pic(dmpi->planes[2], mpi->planes[2], mpi->chroma_width, mpi->chroma_height,               dmpi->stride[2],mpi->stride[2]);  } else {    memcpy_pic(dmpi->planes[0],mpi->planes[0],               mpi->w*(dmpi->bpp/8), mpi->h,               dmpi->stride[0],mpi->stride[0]);  }} void mp_image_setfmt(mp_image_t* mpi,unsigned int out_fmt){    mpi->flags&=~(MP_IMGFLAG_PLANAR|MP_IMGFLAG_YUV|MP_IMGFLAG_SWAPPED);    mpi->imgfmt=out_fmt;    // compressed formats    if(out_fmt == IMGFMT_MPEGPES ||       out_fmt == IMGFMT_ZRMJPEGNI || out_fmt == IMGFMT_ZRMJPEGIT || out_fmt == IMGFMT_ZRMJPEGIB ||       IMGFMT_IS_HWACCEL(out_fmt)){        mpi->bpp=0;        return;    }    mpi->num_planes=1;    if (IMGFMT_IS_RGB(out_fmt)) {        if (IMGFMT_RGB_DEPTH(out_fmt) < 8 && !(out_fmt&128))            mpi->bpp = IMGFMT_RGB_DEPTH(out_fmt);        else            mpi->bpp=(IMGFMT_RGB_DEPTH(out_fmt)+7)&(~7);        return;    }    if (IMGFMT_IS_BGR(out_fmt)) {        if (IMGFMT_BGR_DEPTH(out_fmt) < 8 && !(out_fmt&128))            mpi->bpp = IMGFMT_BGR_DEPTH(out_fmt);        else            mpi->bpp=(IMGFMT_BGR_DEPTH(out_fmt)+7)&(~7);        mpi->flags|=MP_IMGFLAG_SWAPPED;        return;    }    mpi->flags|=MP_IMGFLAG_YUV;    mpi->num_planes=3;    if (mp_get_chroma_shift(out_fmt, NULL, NULL)) {        mpi->flags|=MP_IMGFLAG_PLANAR;        mpi->bpp = mp_get_chroma_shift(out_fmt, &mpi->chroma_x_shift, &mpi->chroma_y_shift);        mpi->chroma_width  = mpi->width  >> mpi->chroma_x_shift;        mpi->chroma_height = mpi->height >> mpi->chroma_y_shift;    }    switch(out_fmt){    case IMGFMT_I420:    case IMGFMT_IYUV:        mpi->flags|=MP_IMGFLAG_SWAPPED;    case IMGFMT_YV12:        return;    case IMGFMT_420A:    case IMGFMT_IF09:        mpi->num_planes=4;    case IMGFMT_YVU9:    case IMGFMT_444P:    case IMGFMT_422P:    case IMGFMT_411P:    case IMGFMT_440P:    case IMGFMT_444P16_LE:    case IMGFMT_444P16_BE:    case IMGFMT_422P16_LE:    case IMGFMT_422P16_BE:    case IMGFMT_420P16_LE:    case IMGFMT_420P16_BE:        return;    case IMGFMT_Y800:    case IMGFMT_Y8:        /* they're planar ones, but for easier handling use them as packed */        mpi->flags&=~MP_IMGFLAG_PLANAR;        mpi->num_planes=1;        return;    case IMGFMT_UYVY:        mpi->flags|=MP_IMGFLAG_SWAPPED;    case IMGFMT_YUY2:        mpi->bpp=16;        mpi->num_planes=1;        return;    case IMGFMT_NV12:        mpi->flags|=MP_IMGFLAG_SWAPPED;    case IMGFMT_NV21:        mpi->flags|=MP_IMGFLAG_PLANAR;        mpi->bpp=12;        mpi->num_planes=2;        mpi->chroma_width=(mpi->width>>0);        mpi->chroma_height=(mpi->height>>1);        mpi->chroma_x_shift=0;        mpi->chroma_y_shift=1;        return;    }    mp_msg(MSGT_DECVIDEO,MSGL_WARN,"mp_image: unknown out_fmt: 0x%X\n",out_fmt);    mpi->bpp=0;} mp_image_t* new_mp_image(int w,int h){    mp_image_t* mpi = malloc(sizeof(mp_image_t));    if(!mpi) return NULL; // error!    memset(mpi,0,sizeof(mp_image_t));    mpi->width=mpi->w=w;    mpi->height=mpi->h=h;    return mpi;} void free_mp_image(mp_image_t* mpi){    if(!mpi) return;    if(mpi->flags&MP_IMGFLAG_ALLOCATED){        /* becouse we allocate the whole image in once */        av_free(mpi->planes[0]);        if (mpi->flags & MP_IMGFLAG_RGB_PALETTE)            av_free(mpi->planes[1]);    }    free(mpi);}