initial XvMC support, define common packet for decoder <-> libXvMC communication
[libav.git] / xvmc_render.h
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IK
1#include <X11/Xlib.h>
2#include <X11/Xutil.h>
3#include <X11/Xatom.h>
4#include <X11/extensions/Xv.h>
5#include <X11/extensions/Xvlib.h>
6#include <X11/extensions/XvMClib.h>
7
8
9//the surface should be shown, video driver manipulate this
10#define MP_XVMC_STATE_DISPLAY_PENDING 1
11//the surface is needed for prediction, codec manipulate this
12#define MP_XVMC_STATE_PREDICTION 2
13// 1337 IDCT MCo
14#define MP_XVMC_RENDER_MAGIC 0x1DC711C0
15
16typedef struct{
17//these are not changed by decoder!
18 int magic;
19
20 short * data_blocks;
21 XvMCMacroBlock * mv_blocks;
22 int total_number_of_mv_blocks;
23 int total_number_of_data_blocks;
24 int mc_type;//XVMC_MPEG1/2/4,XVMC_H263 without XVMC_IDCT
25 int idct;//does we use IDCT acceleration?
26 int chroma_format;//420,422,444
27 int unsigned_intra;//+-128 for intra pictures after clip
28 int reserved1[13];//future extenstions (e.g. gmc,qpel)
29 XvMCSurface* p_surface;//pointer to rendered surface, never changed
30
31//these are changed by decoder
32//used by XvMCRenderSurface function
33 XvMCSurface* p_past_surface;//pointer to the past surface
34 XvMCSurface* p_future_surface;//pointer to the future prediction surface
35
36 unsigned int picture_structure;//top/bottom fields or frame !
37 unsigned int flags;//XVMC_SECOND_FIELD - 1'st or 2'd field in the sequence
38 unsigned int display_flags; //1,2 or 1+2 fields for XvMCPutSurface,
39
40//these are internal communication one
41 int state;//0-free,1 Waiting to Display,2 Waiting for prediction
42 int start_mv_blocks_num;//offset in the array for the current slice,updated by vo
43 int filled_mv_blocks_num;//processed mv block in this slice,change by decoder
44
45 int next_free_data_block_num;//used in add_mv_block, pointer to next free block
46
47} xvmc_render_state_t;