mirror of https://git.ffmpeg.org/ffmpeg.git
move ABS() to common.h
print mb_types in nice looking format support Originally committed as revision 440 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer
parent
4085d977dd
commit
32cd20de42
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@ -159,6 +159,7 @@ inline void dprintf(const char* fmt,...) {}
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/* assume b>0 */
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#define ROUNDED_DIV(a,b) (((a)>0 ? (a) + ((b)>>1) : (a) - ((b)>>1))/(b))
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#define ABS(a) ((a) >= 0 ? (a) : (-(a)))
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/* bit output */
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@ -30,12 +30,13 @@
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#include "mpeg4data.h"
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//rounded divison & shift
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#define RDIV(a,b) ((a) > 0 ? ((a)+((b)>>1))/(b) : ((a)-((b)>>1))/(b))
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#define RSHIFT(a,b) ((a) > 0 ? ((a) + (1<<((b)-1)))>>(b) : ((a) + (1<<((b)-1))-1)>>(b))
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#define ABS(a) (((a)>=0)?(a):(-(a)))
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#define MAX(a,b) ((a) > (b) ? (a) : (b))
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#define MIN(a,b) ((a) < (b) ? (a) : (b))
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#define PRINT_MB_TYPE(a) ;
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//#define PRINT_MB_TYPE(a) printf(a);
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static void h263_encode_block(MpegEncContext * s, DCTELEM * block,
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int n);
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static void h263_encode_motion(MpegEncContext * s, int val, int fcode);
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@ -1765,6 +1766,8 @@ int h263_decode_mb(MpegEncContext *s,
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INT16 *mot_val;
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static INT8 quant_tab[4] = { -1, -2, 1, 2 };
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if(s->mb_x==0) PRINT_MB_TYPE("\n")
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if(s->resync_marker){
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if( s->resync_x_pos == s->mb_x+1
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|| s->resync_x_pos == s->mb_x){
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@ -1797,7 +1800,7 @@ int h263_decode_mb(MpegEncContext *s,
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if(s->pict_type==S_TYPE && s->vol_sprite_usage==GMC_SPRITE){
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const int a= s->sprite_warping_accuracy;
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// int l = (1 << (s->f_code - 1)) * 32;
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PRINT_MB_TYPE("G");
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s->mcsel=1;
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if(s->divx_version==500 && s->divx_build==413){
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s->mv[0][0][0] = s->sprite_offset[0][0] / (1<<(a-s->quarter_sample));
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@ -1813,6 +1816,7 @@ int h263_decode_mb(MpegEncContext *s,
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s->mb_skiped = 0;
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}else{
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PRINT_MB_TYPE("S");
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s->mcsel=0;
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s->mv[0][0][0] = 0;
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s->mv[0][0][1] = 0;
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@ -1848,6 +1852,7 @@ int h263_decode_mb(MpegEncContext *s,
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}
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s->mv_dir = MV_DIR_FORWARD;
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if ((cbpc & 16) == 0) {
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PRINT_MB_TYPE("P");
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/* 16x16 motion prediction */
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s->mv_type = MV_TYPE_16X16;
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h263_pred_motion(s, 0, &pred_x, &pred_y);
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@ -1895,6 +1900,7 @@ int h263_decode_mb(MpegEncContext *s,
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skip_bits1(&s->gb); /* Bit stuffing to prevent PSC */
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} else {
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PRINT_MB_TYPE("4");
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s->mv_type = MV_TYPE_8X8;
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for(i=0;i<4;i++) {
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mot_val = h263_pred_motion(s, i, &pred_x, &pred_y);
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@ -1935,7 +1941,6 @@ int h263_decode_mb(MpegEncContext *s,
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s->last_mv[0][0][1]=
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s->last_mv[1][0][0]=
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s->last_mv[1][0][1]= 0;
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// printf("\n");
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}
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/* if we skipped it in the future P Frame than skip it now too */
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@ -1955,7 +1960,7 @@ int h263_decode_mb(MpegEncContext *s,
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//FIXME is this correct?
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/* s->last_mv[0][0][0]=
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s->last_mv[0][0][1]=0;*/
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// printf("S");
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PRINT_MB_TYPE("s")
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return 0;
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}
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@ -2004,7 +2009,7 @@ int h263_decode_mb(MpegEncContext *s,
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s->mv[0][0][1] =
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s->mv[1][0][0] =
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s->mv[1][0][1] = 1000;*/
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// printf("D");
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PRINT_MB_TYPE("D");
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break;
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case 1:
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s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD;
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@ -2017,7 +2022,7 @@ int h263_decode_mb(MpegEncContext *s,
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my = h263_decode_motion(s, s->last_mv[1][0][1], s->b_code);
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s->last_mv[1][0][0]= s->mv[1][0][0] = mx;
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s->last_mv[1][0][1]= s->mv[1][0][1] = my;
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// printf("I");
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PRINT_MB_TYPE("i");
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break;
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case 2:
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s->mv_dir = MV_DIR_BACKWARD;
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@ -2025,7 +2030,7 @@ int h263_decode_mb(MpegEncContext *s,
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my = h263_decode_motion(s, s->last_mv[1][0][1], s->b_code);
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s->last_mv[1][0][0]= s->mv[1][0][0] = mx;
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s->last_mv[1][0][1]= s->mv[1][0][1] = my;
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// printf("B");
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PRINT_MB_TYPE("B");
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break;
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case 3:
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s->mv_dir = MV_DIR_FORWARD;
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@ -2033,7 +2038,7 @@ int h263_decode_mb(MpegEncContext *s,
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my = h263_decode_motion(s, s->last_mv[0][0][1], s->f_code);
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s->last_mv[0][0][0]= s->mv[0][0][0] = mx;
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s->last_mv[0][0][1]= s->mv[0][0][1] = my;
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// printf("F");
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PRINT_MB_TYPE("F");
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break;
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default: return -1;
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}
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@ -2044,6 +2049,7 @@ int h263_decode_mb(MpegEncContext *s,
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dquant = cbpc & 4;
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s->mb_intra = 1;
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intra:
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PRINT_MB_TYPE("I");
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s->ac_pred = 0;
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if (s->h263_pred || s->h263_aic) {
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s->ac_pred = get_bits1(&s->gb);
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@ -2606,13 +2612,13 @@ static void mpeg4_decode_sprite_trajectory(MpegEncContext * s)
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// the idea behind this virtual_ref mess is to be able to use shifts later per pixel instead of divides
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// so the distance between points is converted from w&h based to w2&h2 based which are of the 2^x form
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virtual_ref[0][0]= 16*(vop_ref[0][0] + w2)
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+ RDIV(((w - w2)*(r*sprite_ref[0][0] - 16*vop_ref[0][0]) + w2*(r*sprite_ref[1][0] - 16*vop_ref[1][0])),w);
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+ ROUNDED_DIV(((w - w2)*(r*sprite_ref[0][0] - 16*vop_ref[0][0]) + w2*(r*sprite_ref[1][0] - 16*vop_ref[1][0])),w);
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virtual_ref[0][1]= 16*vop_ref[0][1]
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+ RDIV(((w - w2)*(r*sprite_ref[0][1] - 16*vop_ref[0][1]) + w2*(r*sprite_ref[1][1] - 16*vop_ref[1][1])),w);
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+ ROUNDED_DIV(((w - w2)*(r*sprite_ref[0][1] - 16*vop_ref[0][1]) + w2*(r*sprite_ref[1][1] - 16*vop_ref[1][1])),w);
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virtual_ref[1][0]= 16*vop_ref[0][0]
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+ RDIV(((h - h2)*(r*sprite_ref[0][0] - 16*vop_ref[0][0]) + h2*(r*sprite_ref[2][0] - 16*vop_ref[2][0])),h);
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+ ROUNDED_DIV(((h - h2)*(r*sprite_ref[0][0] - 16*vop_ref[0][0]) + h2*(r*sprite_ref[2][0] - 16*vop_ref[2][0])),h);
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virtual_ref[1][1]= 16*(vop_ref[0][1] + h2)
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+ RDIV(((h - h2)*(r*sprite_ref[0][1] - 16*vop_ref[0][1]) + h2*(r*sprite_ref[2][1] - 16*vop_ref[2][1])),h);
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+ ROUNDED_DIV(((h - h2)*(r*sprite_ref[0][1] - 16*vop_ref[0][1]) + h2*(r*sprite_ref[2][1] - 16*vop_ref[2][1])),h);
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switch(s->num_sprite_warping_points)
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{
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