0,0 → 1,253 |
/* |
* 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. |
*/ |
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#include "config.h" |
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#include <stdio.h> |
#include <stdlib.h> |
#include <string.h> |
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#if HAVE_MALLOC_H |
#include <malloc.h> |
#endif |
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#include "img_format.h" |
#include "mp_image.h" |
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#include "libvo/fastmemcpy.h" |
//#include "libavutil/mem.h" |
#include "libavutil/imgutils.h" |
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void ff_mp_image_alloc_planes(mp_image_t *mpi) { |
uint32_t temp[256]; |
if (avpriv_set_systematic_pal2(temp, ff_mp2ff_pix_fmt(mpi->imgfmt)) >= 0) |
mpi->flags |= MP_IMGFLAG_RGB_PALETTE; |
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// 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); |
memcpy(mpi->planes[1], temp, 1024); |
} |
} |
mpi->flags|=MP_IMGFLAG_ALLOCATED; |
} |
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mp_image_t* ff_alloc_mpi(int w, int h, unsigned long int fmt) { |
mp_image_t* mpi = ff_new_mp_image(w,h); |
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ff_mp_image_setfmt(mpi,fmt); |
ff_mp_image_alloc_planes(mpi); |
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return mpi; |
} |
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void ff_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]); |
} |
} |
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void ff_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->num_planes=3; |
if (out_fmt == IMGFMT_GBR24P) { |
mpi->bpp=24; |
mpi->flags|=MP_IMGFLAG_PLANAR; |
return; |
} else if (out_fmt == IMGFMT_GBR12P) { |
mpi->bpp=36; |
mpi->flags|=MP_IMGFLAG_PLANAR; |
return; |
} else if (out_fmt == IMGFMT_GBR14P) { |
mpi->bpp=42; |
mpi->flags|=MP_IMGFLAG_PLANAR; |
return; |
} |
mpi->flags|=MP_IMGFLAG_YUV; |
if (ff_mp_get_chroma_shift(out_fmt, NULL, NULL, NULL)) { |
mpi->flags|=MP_IMGFLAG_PLANAR; |
mpi->bpp = ff_mp_get_chroma_shift(out_fmt, &mpi->chroma_x_shift, &mpi->chroma_y_shift, NULL); |
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_422A: |
case IMGFMT_444A: |
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_444P14_LE: |
case IMGFMT_444P14_BE: |
case IMGFMT_444P12_LE: |
case IMGFMT_444P12_BE: |
case IMGFMT_444P10_LE: |
case IMGFMT_444P10_BE: |
case IMGFMT_444P9_LE: |
case IMGFMT_444P9_BE: |
case IMGFMT_422P16_LE: |
case IMGFMT_422P16_BE: |
case IMGFMT_422P14_LE: |
case IMGFMT_422P14_BE: |
case IMGFMT_422P12_LE: |
case IMGFMT_422P12_BE: |
case IMGFMT_422P10_LE: |
case IMGFMT_422P10_BE: |
case IMGFMT_422P9_LE: |
case IMGFMT_422P9_BE: |
case IMGFMT_420P16_LE: |
case IMGFMT_420P16_BE: |
case IMGFMT_420P14_LE: |
case IMGFMT_420P14_BE: |
case IMGFMT_420P12_LE: |
case IMGFMT_420P12_BE: |
case IMGFMT_420P10_LE: |
case IMGFMT_420P10_BE: |
case IMGFMT_420P9_LE: |
case IMGFMT_420P9_BE: |
return; |
case IMGFMT_Y16_LE: |
case IMGFMT_Y16_BE: |
mpi->bpp=16; |
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_Y8A: |
mpi->num_planes=2; |
return; |
case IMGFMT_UYVY: |
mpi->flags|=MP_IMGFLAG_SWAPPED; |
case IMGFMT_YUY2: |
mpi->chroma_x_shift = 1; |
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; |
} |
ff_mp_msg(MSGT_DECVIDEO,MSGL_WARN,"mp_image: unknown out_fmt: 0x%X\n",out_fmt); |
mpi->bpp=0; |
} |
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mp_image_t* ff_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; |
} |
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void ff_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); |
} |
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