mirror of https://git.ffmpeg.org/ffmpeg.git
158 lines
5.8 KiB
C
158 lines
5.8 KiB
C
/*
|
|
* 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.
|
|
*/
|
|
|
|
#ifndef MPLAYER_MP_IMAGE_H
|
|
#define MPLAYER_MP_IMAGE_H
|
|
|
|
#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).
|
|
|
|
//--------- codec's requirements (filled by the codec/vf) ---------
|
|
|
|
//--- 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
|
|
|
|
//--- 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
|
|
|
|
#define MP_IMGFLAGMASK_RESTRICTIONS 0xFF
|
|
|
|
//--------- 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
|
|
|
|
#define MP_IMGFLAGMASK_COLORS 0xF00
|
|
|
|
// 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
|
|
|
|
// buffer type was printed (do NOT set this flag - it's for INTERNAL USE!!!)
|
|
#define MP_IMGFLAG_TYPE_DISPLAYED 0x8000
|
|
|
|
// 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
|
|
|
|
#define MP_MAX_PLANES 4
|
|
|
|
#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
|
|
|
|
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;
|
|
|
|
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);
|
|
|
|
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);
|
|
|
|
#endif /* MPLAYER_MP_IMAGE_H */
|