mirror of
https://git.videolan.org/git/ffmpeg.git
synced 2024-08-27 11:51:49 +02:00
statistics for forw & back p-MBs instead of just one counter for both
Originally committed as revision 925 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
parent
7866eeff46
commit
66370d3fca
@ -18,7 +18,9 @@
|
||||
* License along with this library; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
*
|
||||
* ac prediction encoding & b-frame support by Michael Niedermayer <michaelni@gmx.at>
|
||||
* ac prediction encoding, b-frame support, error resilience, optimizations,
|
||||
* qpel decoding, gmc decoding, interlaced decoding,
|
||||
* by Michael Niedermayer <michaelni@gmx.at>
|
||||
*/
|
||||
|
||||
//#define DEBUG
|
||||
@ -363,6 +365,8 @@ void mpeg4_encode_mb(MpegEncContext * s,
|
||||
case 0: /* direct */
|
||||
h263_encode_motion(s, motion_x, 1);
|
||||
h263_encode_motion(s, motion_y, 1);
|
||||
s->b_count++;
|
||||
s->f_count++;
|
||||
break;
|
||||
case 1: /* bidir */
|
||||
h263_encode_motion(s, s->mv[0][0][0] - s->last_mv[0][0][0], s->f_code);
|
||||
@ -373,18 +377,22 @@ void mpeg4_encode_mb(MpegEncContext * s,
|
||||
s->last_mv[0][0][1]= s->mv[0][0][1];
|
||||
s->last_mv[1][0][0]= s->mv[1][0][0];
|
||||
s->last_mv[1][0][1]= s->mv[1][0][1];
|
||||
s->b_count++;
|
||||
s->f_count++;
|
||||
break;
|
||||
case 2: /* backward */
|
||||
h263_encode_motion(s, motion_x - s->last_mv[1][0][0], s->b_code);
|
||||
h263_encode_motion(s, motion_y - s->last_mv[1][0][1], s->b_code);
|
||||
s->last_mv[1][0][0]= motion_x;
|
||||
s->last_mv[1][0][1]= motion_y;
|
||||
s->b_count++;
|
||||
break;
|
||||
case 3: /* forward */
|
||||
h263_encode_motion(s, motion_x - s->last_mv[0][0][0], s->f_code);
|
||||
h263_encode_motion(s, motion_y - s->last_mv[0][0][1], s->f_code);
|
||||
s->last_mv[0][0][0]= motion_x;
|
||||
s->last_mv[0][0][1]= motion_y;
|
||||
s->f_count++;
|
||||
break;
|
||||
default:
|
||||
printf("unknown mb type\n");
|
||||
@ -515,7 +523,7 @@ void mpeg4_encode_mb(MpegEncContext * s,
|
||||
s->p_tex_bits+= bits - s->last_bits;
|
||||
s->last_bits=bits;
|
||||
}
|
||||
s->p_count++;
|
||||
s->f_count++;
|
||||
}
|
||||
} else {
|
||||
int cbp;
|
||||
@ -2851,9 +2859,9 @@ int h263_decode_mb(MpegEncContext *s,
|
||||
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->motion_val[xy][0]*(time_pb - time_pp)/time_pp + mx;
|
||||
: 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->motion_val[xy][1]*(time_pb - time_pp)/time_pp + my;
|
||||
: s->motion_val[xy][1]*(time_pb - time_pp)/time_pp;
|
||||
if(s->non_b_mv4_table[xy]){
|
||||
int i;
|
||||
s->mv_type = MV_TYPE_8X8;
|
||||
@ -2862,9 +2870,9 @@ int h263_decode_mb(MpegEncContext *s,
|
||||
s->mv[0][i][0] = s->motion_val[xy][0]*time_pb/time_pp + mx;
|
||||
s->mv[0][i][1] = s->motion_val[xy][1]*time_pb/time_pp + my;
|
||||
s->mv[1][i][0] = mx ? s->mv[0][i][0] - s->motion_val[xy][0]
|
||||
: s->motion_val[xy][0]*(time_pb - time_pp)/time_pp + mx;
|
||||
: s->motion_val[xy][0]*(time_pb - time_pp)/time_pp;
|
||||
s->mv[1][i][1] = my ? s->mv[0][i][1] - s->motion_val[xy][1]
|
||||
: s->motion_val[xy][1]*(time_pb - time_pp)/time_pp + my;
|
||||
: s->motion_val[xy][1]*(time_pb - time_pp)/time_pp;
|
||||
}
|
||||
PRINT_MB_TYPE("4");
|
||||
}else{
|
||||
@ -2970,7 +2978,7 @@ intra:
|
||||
|
||||
static int h263_decode_motion(MpegEncContext * s, int pred, int f_code)
|
||||
{
|
||||
int code, val, sign, shift, l, m;
|
||||
int code, val, sign, shift, l;
|
||||
|
||||
code = get_vlc2(&s->gb, mv_vlc.table, MV_VLC_BITS, 2);
|
||||
if (code < 0)
|
||||
@ -2991,11 +2999,10 @@ static int h263_decode_motion(MpegEncContext * s, int pred, int f_code)
|
||||
/* modulo decoding */
|
||||
if (!s->h263_long_vectors) {
|
||||
l = (1 << (f_code - 1)) * 32;
|
||||
m = 2 * l;
|
||||
if (val < -l) {
|
||||
val += m;
|
||||
val += l<<1;
|
||||
} else if (val >= l) {
|
||||
val -= m;
|
||||
val -= l<<1;
|
||||
}
|
||||
} else {
|
||||
/* horrible h263 long vector mode */
|
||||
|
@ -879,7 +879,7 @@ int MPV_encode_picture(AVCodecContext *avctx,
|
||||
avctx->i_tex_bits = s->i_tex_bits;
|
||||
avctx->p_tex_bits = s->p_tex_bits;
|
||||
avctx->i_count = s->i_count;
|
||||
avctx->p_count = s->p_count;
|
||||
avctx->p_count = s->mb_num - s->i_count - s->skip_count; //FIXME f/b_count in avctx
|
||||
avctx->skip_count = s->skip_count;
|
||||
|
||||
MPV_frame_end(s);
|
||||
@ -1894,7 +1894,8 @@ static inline void copy_context_before_encode(MpegEncContext *d, MpegEncContext
|
||||
d->i_tex_bits= s->i_tex_bits;
|
||||
d->p_tex_bits= s->p_tex_bits;
|
||||
d->i_count= s->i_count;
|
||||
d->p_count= s->p_count;
|
||||
d->f_count= s->f_count;
|
||||
d->b_count= s->b_count;
|
||||
d->skip_count= s->skip_count;
|
||||
d->misc_bits= s->misc_bits;
|
||||
d->last_bits= 0;
|
||||
@ -1918,7 +1919,8 @@ static inline void copy_context_after_encode(MpegEncContext *d, MpegEncContext *
|
||||
d->i_tex_bits= s->i_tex_bits;
|
||||
d->p_tex_bits= s->p_tex_bits;
|
||||
d->i_count= s->i_count;
|
||||
d->p_count= s->p_count;
|
||||
d->f_count= s->f_count;
|
||||
d->b_count= s->b_count;
|
||||
d->skip_count= s->skip_count;
|
||||
d->misc_bits= s->misc_bits;
|
||||
|
||||
@ -2118,7 +2120,8 @@ static void encode_picture(MpegEncContext *s, int picture_number)
|
||||
s->i_tex_bits=0;
|
||||
s->p_tex_bits=0;
|
||||
s->i_count=0;
|
||||
s->p_count=0;
|
||||
s->f_count=0;
|
||||
s->b_count=0;
|
||||
s->skip_count=0;
|
||||
|
||||
/* init last dc values */
|
||||
|
@ -301,7 +301,8 @@ typedef struct MpegEncContext {
|
||||
int i_tex_bits;
|
||||
int p_tex_bits;
|
||||
int i_count;
|
||||
int p_count;
|
||||
int f_count;
|
||||
int b_count;
|
||||
int skip_count;
|
||||
int misc_bits; // cbp, mb_type
|
||||
int last_bits; //temp var used for calculating the above vars
|
||||
|
Loading…
Reference in New Issue
Block a user