0,0 → 1,159 |
/* |
* 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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#ifndef MPLAYER_MP_IMAGE_H |
#define MPLAYER_MP_IMAGE_H |
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#include <stdio.h> |
#include <stdlib.h> |
#include <string.h> |
#undef printf //FIXME |
#undef fprintf //FIXME |
#include "mp_msg.h" |
#include "libavutil/avutil.h" |
#include "libavutil/avassert.h" |
#undef realloc |
#undef malloc |
#undef free |
#undef rand |
#undef srand |
#undef printf |
#undef strncpy |
#define ASMALIGN(ZEROBITS) ".p2align " #ZEROBITS "\n\t" |
#define CODEC_FLAG2_MEMC_ONLY 0x00001000 ///< Only do ME/MC (I frames -> ref, P frame -> ME+MC). |
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enum AVPixelFormat ff_mp2ff_pix_fmt(int mp); |
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//--------- codec's requirements (filled by the codec/vf) --------- |
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//--- buffer content restrictions: |
// set if buffer content shouldn't be modified: |
#define MP_IMGFLAG_PRESERVE 0x01 |
// set if buffer content will be READ. |
// This can be e.g. for next frame's MC: (I/P mpeg frames) - |
// then in combination with MP_IMGFLAG_PRESERVE - or it |
// can be because a video filter or codec will read a significant |
// amount of data while processing that frame (e.g. blending something |
// onto the frame, MV based intra prediction). |
// A frame marked like this should not be placed in to uncachable |
// video RAM for example. |
#define MP_IMGFLAG_READABLE 0x02 |
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//--- buffer width/stride/plane restrictions: (used for direct rendering) |
// stride _have_to_ be aligned to MB boundary: [for DR restrictions] |
#define MP_IMGFLAG_ACCEPT_ALIGNED_STRIDE 0x4 |
// stride should be aligned to MB boundary: [for buffer allocation] |
#define MP_IMGFLAG_PREFER_ALIGNED_STRIDE 0x8 |
// codec accept any stride (>=width): |
#define MP_IMGFLAG_ACCEPT_STRIDE 0x10 |
// codec accept any width (width*bpp=stride -> stride%bpp==0) (>=width): |
#define MP_IMGFLAG_ACCEPT_WIDTH 0x20 |
//--- for planar formats only: |
// uses only stride[0], and stride[1]=stride[2]=stride[0]>>mpi->chroma_x_shift |
#define MP_IMGFLAG_COMMON_STRIDE 0x40 |
// uses only planes[0], and calculates planes[1,2] from width,height,imgfmt |
#define MP_IMGFLAG_COMMON_PLANE 0x80 |
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#define MP_IMGFLAGMASK_RESTRICTIONS 0xFF |
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//--------- color info (filled by ff_mp_image_setfmt() ) ----------- |
// set if number of planes > 1 |
#define MP_IMGFLAG_PLANAR 0x100 |
// set if it's YUV colorspace |
#define MP_IMGFLAG_YUV 0x200 |
// set if it's swapped (BGR or YVU) plane/byteorder |
#define MP_IMGFLAG_SWAPPED 0x400 |
// set if you want memory for palette allocated and managed by ff_vf_get_image etc. |
#define MP_IMGFLAG_RGB_PALETTE 0x800 |
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#define MP_IMGFLAGMASK_COLORS 0xF00 |
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// codec uses drawing/rendering callbacks (draw_slice()-like thing, DR method 2) |
// [the codec will set this flag if it supports callbacks, and the vo _may_ |
// clear it in get_image() if draw_slice() not implemented] |
#define MP_IMGFLAG_DRAW_CALLBACK 0x1000 |
// set if it's in video buffer/memory: [set by vo/vf's get_image() !!!] |
#define MP_IMGFLAG_DIRECT 0x2000 |
// set if buffer is allocated (used in destination images): |
#define MP_IMGFLAG_ALLOCATED 0x4000 |
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// buffer type was printed (do NOT set this flag - it's for INTERNAL USE!!!) |
#define MP_IMGFLAG_TYPE_DISPLAYED 0x8000 |
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// codec doesn't support any form of direct rendering - it has own buffer |
// allocation. so we just export its buffer pointers: |
#define MP_IMGTYPE_EXPORT 0 |
// codec requires a static WO buffer, but it does only partial updates later: |
#define MP_IMGTYPE_STATIC 1 |
// codec just needs some WO memory, where it writes/copies the whole frame to: |
#define MP_IMGTYPE_TEMP 2 |
// I+P type, requires 2+ independent static R/W buffers |
#define MP_IMGTYPE_IP 3 |
// I+P+B type, requires 2+ independent static R/W and 1+ temp WO buffers |
#define MP_IMGTYPE_IPB 4 |
// Upper 16 bits give desired buffer number, -1 means get next available |
#define MP_IMGTYPE_NUMBERED 5 |
// Doesn't need any buffer, incomplete image (probably a first field only) |
// we need this type to be able to differentiate between half frames and |
// all other cases |
#define MP_IMGTYPE_INCOMPLETE 6 |
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#define MP_MAX_PLANES 4 |
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#define MP_IMGFIELD_ORDERED 0x01 |
#define MP_IMGFIELD_TOP_FIRST 0x02 |
#define MP_IMGFIELD_REPEAT_FIRST 0x04 |
#define MP_IMGFIELD_TOP 0x08 |
#define MP_IMGFIELD_BOTTOM 0x10 |
#define MP_IMGFIELD_INTERLACED 0x20 |
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typedef struct mp_image { |
unsigned int flags; |
unsigned char type; |
int number; |
unsigned char bpp; // bits/pixel. NOT depth! for RGB it will be n*8 |
unsigned int imgfmt; |
int width,height; // stored dimensions |
int x,y,w,h; // visible dimensions |
unsigned char* planes[MP_MAX_PLANES]; |
int stride[MP_MAX_PLANES]; |
char * qscale; |
int qstride; |
int pict_type; // 0->unknown, 1->I, 2->P, 3->B |
int fields; |
int qscale_type; // 0->mpeg1/4/h263, 1->mpeg2 |
int num_planes; |
/* these are only used by planar formats Y,U(Cb),V(Cr) */ |
int chroma_width; |
int chroma_height; |
int chroma_x_shift; // horizontal |
int chroma_y_shift; // vertical |
int usage_count; |
/* for private use by filter or vo driver (to store buffer id or dmpi) */ |
void* priv; |
} mp_image_t; |
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void ff_mp_image_setfmt(mp_image_t* mpi,unsigned int out_fmt); |
mp_image_t* ff_new_mp_image(int w,int h); |
void ff_free_mp_image(mp_image_t* mpi); |
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mp_image_t* ff_alloc_mpi(int w, int h, unsigned long int fmt); |
void ff_mp_image_alloc_planes(mp_image_t *mpi); |
void ff_copy_mpi(mp_image_t *dmpi, mp_image_t *mpi); |
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#endif /* MPLAYER_MP_IMAGE_H */ |