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direct blocksize in bframes fix (might fix qpel+bframe bug)

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Originally committed as revision 1557 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2003-02-08 18:23:39 +00:00
parent 16e83cbbc4
commit c40c34828a
4 changed files with 39 additions and 10 deletions
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5
libavcodec/avcodec.h
View File

@ -16,8 +16,8 @@ extern "C" {
#define LIBAVCODEC_VERSION_INT 0x000406
#define LIBAVCODEC_VERSION "0.4.6"
#define LIBAVCODEC_BUILD 4654
#define LIBAVCODEC_BUILD_STR "4654"
#define LIBAVCODEC_BUILD 4655
#define LIBAVCODEC_BUILD_STR "4655"
enum CodecID {
CODEC_ID_NONE,
@ -531,6 +531,7 @@ typedef struct AVCodecContext {
#define FF_BUG_QPEL_CHROMA 64
#define FF_BUG_STD_QPEL 128
#define FF_BUG_QPEL_CHROMA2 256
#define FF_BUG_DIRECT_BLOCKSIZE 512
//#define FF_BUG_FAKE_SCALABILITY 16 //autodetection should work 100%
/**

15
libavcodec/h263.c
View File

@ -403,17 +403,20 @@ void ff_mpeg4_set_direct_mv(MpegEncContext *s, int mx, int my){
uint16_t time_pp= s->pp_time;
uint16_t time_pb= s->pb_time;
int i;
//FIXME avoid divides
switch(s->co_located_type_table[mb_index]){
case 0:
s->mv_type= MV_TYPE_16X16;
s->mv[0][0][0] = s->motion_val[xy][0]*time_pb/time_pp + mx;
s->mv[0][0][1] = s->motion_val[xy][1]*time_pb/time_pp + my;
s->mv[1][0][0] = mx ? s->mv[0][0][0] - s->motion_val[xy][0]
s->mv[0][0][0] = s->mv[0][1][0] = s->mv[0][2][0] = s->mv[0][3][0] = s->motion_val[xy][0]*time_pb/time_pp + mx;
s->mv[0][0][1] = s->mv[0][1][1] = s->mv[0][2][1] = s->mv[0][3][1] = s->motion_val[xy][1]*time_pb/time_pp + my;
s->mv[1][0][0] = s->mv[1][1][0] = s->mv[1][2][0] = s->mv[1][3][0] = mx ? s->mv[0][0][0] - s->motion_val[xy][0]
: s->motion_val[xy][0]*(time_pb - time_pp)/time_pp;
s->mv[1][0][1] = my ? s->mv[0][0][1] - s->motion_val[xy][1]
s->mv[1][0][1] = s->mv[1][1][1] = s->mv[1][2][1] = s->mv[1][3][1] = my ? s->mv[0][0][1] - s->motion_val[xy][1]
: s->motion_val[xy][1]*(time_pb - time_pp)/time_pp;
if((s->avctx->workaround_bugs & FF_BUG_DIRECT_BLOCKSIZE) || !s->quarter_sample)
s->mv_type= MV_TYPE_16X16;
else
s->mv_type= MV_TYPE_8X8;
break;
case CO_LOCATED_TYPE_4MV:
s->mv_type = MV_TYPE_8X8;

19
libavcodec/h263dec.c
View File

@ -332,6 +332,13 @@ static int mpeg4_find_frame_end(MpegEncContext *s, UINT8 *buf, int buf_size){
return -1;
}
/**
* draws an line from (ex, ey) -> (sx, sy).
* @param w width of the image
* @param h height of the image
* @param stride stride/linesize of the image
* @param color color of the arrow
*/
static void draw_line(uint8_t *buf, int sx, int sy, int ex, int ey, int w, int h, int stride, int color){
int t, x, y, f;
@ -368,6 +375,13 @@ static void draw_line(uint8_t *buf, int sx, int sy, int ex, int ey, int w, int h
}
}
/**
* draws an arrow from (ex, ey) -> (sx, sy).
* @param w width of the image
* @param h height of the image
* @param stride stride/linesize of the image
* @param color color of the arrow
*/
static void draw_arrow(uint8_t *buf, int sx, int sy, int ex, int ey, int w, int h, int stride, int color){
int dx= ex - sx;
int dy= ey - sy;
@ -510,6 +524,11 @@ retry:
if(s->lavc_build && s->lavc_build<4653)
s->workaround_bugs|= FF_BUG_STD_QPEL;
if(s->lavc_build && s->lavc_build<4655)
s->workaround_bugs|= FF_BUG_DIRECT_BLOCKSIZE;
if(s->divx_version)
s->workaround_bugs|= FF_BUG_DIRECT_BLOCKSIZE;
//printf("padding_bug_score: %d\n", s->padding_bug_score);
#if 0
if(s->divx_version==500)

10
libavcodec/motion_est.c
View File

@ -241,8 +241,14 @@ if((x) >= xmin && 4*(x) + (dx) <= 4*xmax && (y) >= ymin && 4*(y) + (dy) <= 4*yma
int fxy= (fx&3) + 4*(fy&3);\
int bxy= (bx&3) + 4*(by&3);\
\
qpel_put[0][fxy](s->me.scratchpad, (ref_y ) + (fx>>2) + (fy>>2)*(stride), stride);\
qpel_avg[0][bxy](s->me.scratchpad, (ref2_y) + (bx>>2) + (by>>2)*(stride), stride);\
qpel_put[1][fxy](s->me.scratchpad , (ref_y ) + (fx>>2) + (fy>>2)*(stride) , stride);\
qpel_put[1][fxy](s->me.scratchpad + 8 , (ref_y ) + (fx>>2) + (fy>>2)*(stride) + 8 , stride);\
qpel_put[1][fxy](s->me.scratchpad + 8*stride, (ref_y ) + (fx>>2) + (fy>>2)*(stride) + 8*stride, stride);\
qpel_put[1][fxy](s->me.scratchpad + 8 + 8*stride, (ref_y ) + (fx>>2) + (fy>>2)*(stride) + 8 + 8*stride, stride);\
qpel_avg[1][bxy](s->me.scratchpad , (ref2_y) + (bx>>2) + (by>>2)*(stride) , stride);\
qpel_avg[1][bxy](s->me.scratchpad + 8 , (ref2_y) + (bx>>2) + (by>>2)*(stride) + 8 , stride);\
qpel_avg[1][bxy](s->me.scratchpad + 8*stride, (ref2_y) + (bx>>2) + (by>>2)*(stride) + 8*stride, stride);\
qpel_avg[1][bxy](s->me.scratchpad + 8 + 8*stride, (ref2_y) + (bx>>2) + (by>>2)*(stride) + 8 + 8*stride, stride);\
}\
d = cmp_func(s, s->me.scratchpad, src_y, stride);\
}else\