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- Committer: Bazaar Package Importer
- Author(s): John Dong
- Date: 2007-01-17 22:00:05 UTC
- mto: (12.1.1 sid) (1.3.1)
- mto: This revision was merged to the branch mainline in revision 5.
- Revision ID: james.westby@ubuntu.com-20070117220005-4cesfv31lq3inbdp
Tags: upstream-0.cvs20070117
Import upstream version 0.cvs20070117
- files added:
- common/ppc/quant.c
- files removed:
- decoder
- vfw
- vfw/build
- vfw/build/cygwin
- vfw/build/win32
- vfw/build/win32/bin
- vfw/installer
- vfw/w32api
- files modified:
- AUTHORS
added
removed
common/frame.c
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#include <stdio.h>
25
25
#include <string.h>
26
#include <unistd.h>
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27
27
28
#include "common.h"
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29
30
#define PADH 32
31
#define PADV 32
32
29
33
x264_frame_t *x264_frame_new( x264_t *h )
30
34
{
31
35
x264_frame_t *frame = x264_malloc( sizeof(x264_frame_t) );
34
38
int i_mb_count = h->mb.i_mb_count;
35
39
int i_stride;
36
40
int i_lines;
41
int i_padv = PADV << h->param.b_interlaced;
37
42
38
43
if( !frame ) return NULL;
39
44
40
45
memset( frame, 0, sizeof(x264_frame_t) );
41
46
42
47
/* allocate frame data (+64 for extra data for me) */
43
i_stride = ( ( h->param.i_width + 15 )&0xfffff0 )+ 64;
44
i_lines = ( ( h->param.i_height + 15 )&0xfffff0 );
48
i_stride = ( ( h->param.i_width + 15 ) & -16 )+ 2*PADH;
49
i_lines = ( ( h->param.i_height + 15 ) & -16 );
50
if( h->param.b_interlaced )
51
i_lines = ( i_lines + 31 ) & -32;
45
52
46
53
frame->i_plane = 3;
47
54
for( i = 0; i < 3; i++ )
58
65
frame->i_stride[i] = i_stride / i_divw;
59
66
frame->i_lines[i] = i_lines / i_divh;
60
67
CHECKED_MALLOC( frame->buffer[i],
61
frame->i_stride[i] * ( frame->i_lines[i] + 64 / i_divh ) );
68
frame->i_stride[i] * ( frame->i_lines[i] + 2*i_padv / i_divh ) );
69
62
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frame->plane[i] = ((uint8_t*)frame->buffer[i]) +
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frame->i_stride[i] * 32 / i_divh + 32 / i_divw;
71
frame->i_stride[i] * i_padv / i_divh + PADH / i_divw;
64
72
}
65
73
frame->i_stride[3] = 0;
66
74
frame->i_lines[3] = 0;
71
79
for( i = 0; i < 3; i++ )
72
80
{
73
81
CHECKED_MALLOC( frame->buffer[4+i],
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frame->i_stride[0] * ( frame->i_lines[0] + 64 ) );
82
frame->i_stride[0] * ( frame->i_lines[0] + 2*i_padv ) );
75
83
frame->filtered[i+1] = ((uint8_t*)frame->buffer[4+i]) +
76
frame->i_stride[0] * 32 + 32;
84
frame->i_stride[0] * i_padv + PADH;
77
85
}
78
86
79
87
if( h->frames.b_have_lowres )
80
88
{
81
frame->i_stride_lowres = frame->i_stride[0]/2 + 32;
89
frame->i_stride_lowres = frame->i_stride[0]/2 + PADH;
82
90
frame->i_lines_lowres = frame->i_lines[0]/2;
83
91
for( i = 0; i < 4; i++ )
84
92
{
85
CHECKED_MALLOC( frame->buffer[7+i],
86
frame->i_stride_lowres * ( frame->i_lines[0]/2 + 64 ) );
87
frame->lowres[i] = ((uint8_t*)frame->buffer[7+i]) +
88
frame->i_stride_lowres * 32 + 32;
93
CHECKED_MALLOC( frame->buffer_lowres[i],
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frame->i_stride_lowres * ( frame->i_lines[0]/2 + 2*i_padv ) );
95
frame->lowres[i] = ((uint8_t*)frame->buffer_lowres[i]) +
96
frame->i_stride_lowres * i_padv + PADH;
89
97
}
90
98
}
91
99
92
100
if( h->param.analyse.i_me_method == X264_ME_ESA )
93
101
{
94
CHECKED_MALLOC( frame->buffer[11],
95
2 * frame->i_stride[0] * (frame->i_lines[0] + 64) * sizeof(uint16_t) );
96
frame->integral = (uint16_t*)frame->buffer[11] + frame->i_stride[0] * 32 + 32;
102
CHECKED_MALLOC( frame->buffer[7],
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2 * frame->i_stride[0] * (frame->i_lines[0] + 2*i_padv) * sizeof(uint16_t) );
104
frame->integral = (uint16_t*)frame->buffer[7] + frame->i_stride[0] * i_padv + PADH;
97
105
}
98
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99
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frame->i_poc = -1;
102
110
frame->i_pts = -1;
103
111
frame->i_frame = -1;
104
112
frame->i_frame_num = -1;
113
frame->i_lines_completed = -1;
105
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CHECKED_MALLOC( frame->mb_type, i_mb_count * sizeof(int8_t));
107
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CHECKED_MALLOC( frame->mv[0], 2*16 * i_mb_count * sizeof(int16_t) );
123
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for( j = 0; j < h->param.i_bframe + 2; j++ )
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CHECKED_MALLOC( frame->i_row_satds[i][j], i_lines/16 * sizeof(int) );
125
134
135
pthread_mutex_init( &frame->mutex, NULL );
136
pthread_cond_init( &frame->cv, NULL );
137
126
138
return frame;
127
139
128
140
fail:
133
145
void x264_frame_delete( x264_frame_t *frame )
134
146
{
135
147
int i, j;
136
for( i = 0; i < 12; i++ )
148
for( i = 0; i < 8; i++ )
137
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x264_free( frame->buffer[i] );
150
for( i = 0; i < 4; i++ )
151
x264_free( frame->buffer_lowres[i] );
138
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for( i = 0; i < X264_BFRAME_MAX+2; i++ )
139
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for( j = 0; j < X264_BFRAME_MAX+2; j++ )
140
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x264_free( frame->i_row_satds[i][j] );
145
159
x264_free( frame->mv[1] );
146
160
x264_free( frame->ref[0] );
147
161
x264_free( frame->ref[1] );
162
pthread_mutex_destroy( &frame->mutex );
163
pthread_cond_destroy( &frame->cv );
148
164
x264_free( frame );
149
165
}
150
166
151
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void x264_frame_copy_picture( x264_t *h, x264_frame_t *dst, x264_picture_t *src )
152
168
{
169
int i_csp = src->img.i_csp & X264_CSP_MASK;
153
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dst->i_type = src->i_type;
154
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dst->i_qpplus1 = src->i_qpplus1;
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dst->i_pts = src->i_pts;
156
173
157
switch( src->img.i_csp & X264_CSP_MASK )
158
{
159
case X264_CSP_I420:
160
h->csp.i420( dst, &src->img, h->param.i_width, h->param.i_height );
161
break;
162
case X264_CSP_YV12:
163
h->csp.yv12( dst, &src->img, h->param.i_width, h->param.i_height );
164
break;
165
case X264_CSP_I422:
166
h->csp.i422( dst, &src->img, h->param.i_width, h->param.i_height );
167
break;
168
case X264_CSP_I444:
169
h->csp.i444( dst, &src->img, h->param.i_width, h->param.i_height );
170
break;
171
case X264_CSP_YUYV:
172
h->csp.yuyv( dst, &src->img, h->param.i_width, h->param.i_height );
173
break;
174
case X264_CSP_RGB:
175
h->csp.rgb( dst, &src->img, h->param.i_width, h->param.i_height );
176
break;
177
case X264_CSP_BGR:
178
h->csp.bgr( dst, &src->img, h->param.i_width, h->param.i_height );
179
break;
180
case X264_CSP_BGRA:
181
h->csp.bgra( dst, &src->img, h->param.i_width, h->param.i_height );
182
break;
183
184
default:
185
x264_log( h, X264_LOG_ERROR, "Arg invalid CSP\n" );
186
break;
187
}
174
if( i_csp <= X264_CSP_NONE || i_csp >= X264_CSP_MAX )
175
x264_log( h, X264_LOG_ERROR, "Arg invalid CSP\n" );
176
else
177
h->csp.convert[i_csp]( &h->mc, dst, &src->img, h->param.i_width, h->param.i_height );
188
178
}
189
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190
180
191
181
192
static void plane_expand_border( uint8_t *pix, int i_stride, int i_height, int i_pad )
182
static void plane_expand_border( uint8_t *pix, int i_stride, int i_width, int i_height, int i_padh, int i_padv, int b_pad_top, int b_pad_bottom )
193
183
{
194
184
#define PPIXEL(x, y) ( pix + (x) + (y)*i_stride )
195
const int i_width = i_stride - 2*i_pad;
196
185
int y;
197
198
186
for( y = 0; y < i_height; y++ )
199
187
{
200
188
/* left band */
201
memset( PPIXEL(-i_pad, y), PPIXEL(0, y)[0], i_pad );
189
memset( PPIXEL(-i_padh, y), PPIXEL(0, y)[0], i_padh );
202
190
/* right band */
203
memset( PPIXEL(i_width, y), PPIXEL(i_width-1, y)[0], i_pad );
191
memset( PPIXEL(i_width, y), PPIXEL(i_width-1, y)[0], i_padh );
204
192
}
205
193
/* upper band */
206
for( y = 0; y < i_pad; y++ )
207
memcpy( PPIXEL(-i_pad, -y-1), PPIXEL(-i_pad, 0), i_stride );
194
if( b_pad_top )
195
for( y = 0; y < i_padv; y++ )
196
memcpy( PPIXEL(-i_padh, -y-1), PPIXEL(-i_padh, 0), i_width+2*i_padh );
208
197
/* lower band */
209
for( y = 0; y < i_pad; y++ )
210
memcpy( PPIXEL(-i_pad, i_height+y), PPIXEL(-i_pad, i_height-1), i_stride );
198
if( b_pad_bottom )
199
for( y = 0; y < i_padv; y++ )
200
memcpy( PPIXEL(-i_padh, i_height+y), PPIXEL(-i_padh, i_height-1), i_width+2*i_padh );
211
201
#undef PPIXEL
212
202
}
213
203
214
void x264_frame_expand_border( x264_frame_t *frame )
204
void x264_frame_expand_border( x264_t *h, x264_frame_t *frame, int mb_y, int b_end )
215
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{
216
206
int i;
207
int b_start = !mb_y;
208
if( mb_y & h->sh.b_mbaff )
209
return;
217
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for( i = 0; i < frame->i_plane; i++ )
218
211
{
219
int i_pad = i ? 16 : 32;
220
plane_expand_border( frame->plane[i], frame->i_stride[i], frame->i_lines[i], i_pad );
212
int stride = frame->i_stride[i];
213
int width = 16*h->sps->i_mb_width >> !!i;
214
int height = (b_end ? 16*(h->sps->i_mb_height - mb_y) >> h->sh.b_mbaff : 16) >> !!i;
215
int padh = PADH >> !!i;
216
int padv = PADV >> !!i;
217
// buffer: 2 chroma, 3 luma (rounded to 4) because deblocking goes beyond the top of the mb
218
uint8_t *pix = frame->plane[i] + X264_MAX(0, (16*mb_y-4)*stride >> !!i);
219
if( b_end && !b_start )
220
height += 4 >> (!!i + h->sh.b_mbaff);
221
if( h->sh.b_mbaff )
222
{
223
plane_expand_border( pix, stride*2, width, height, padh, padv, b_start, b_end );
224
plane_expand_border( pix+stride, stride*2, width, height, padh, padv, b_start, b_end );
225
}
226
else
227
{
228
plane_expand_border( pix, stride, width, height, padh, padv, b_start, b_end );
229
}
221
230
}
222
231
}
223
232
224
void x264_frame_expand_border_filtered( x264_frame_t *frame )
233
void x264_frame_expand_border_filtered( x264_t *h, x264_frame_t *frame, int mb_y, int b_end )
225
234
{
226
235
/* during filtering, 8 extra pixels were filtered on each edge.
227
236
we want to expand border from the last filtered pixel */
237
int b_start = !mb_y;
238
int stride = frame->i_stride[0];
239
int width = 16*h->sps->i_mb_width + 16;
240
int height = b_end ? (16*(h->sps->i_mb_height - mb_y) >> h->sh.b_mbaff) + 16 : 16;
241
int padh = PADH - 8;
242
int padv = PADV - 8;
228
243
int i;
229
244
for( i = 1; i < 4; i++ )
230
plane_expand_border( frame->filtered[i] - 8*frame->i_stride[0] - 8, frame->i_stride[0], frame->i_lines[0]+2*8, 24 );
245
{
246
// buffer: 8 luma, to match the hpel filter
247
uint8_t *pix = frame->filtered[i] + (16*mb_y - (8 << h->sh.b_mbaff)) * stride - 8;
248
if( h->sh.b_mbaff )
249
{
250
plane_expand_border( pix, stride*2, width, height, padh, padv, b_start, b_end );
251
plane_expand_border( pix+stride, stride*2, width, height, padh, padv, b_start, b_end );
252
}
253
else
254
{
255
plane_expand_border( pix, stride, width, height, padh, padv, b_start, b_end );
256
}
257
}
231
258
}
232
259
233
260
void x264_frame_expand_border_lowres( x264_frame_t *frame )
234
261
{
235
262
int i;
236
263
for( i = 0; i < 4; i++ )
237
plane_expand_border( frame->lowres[i], frame->i_stride_lowres, frame->i_lines_lowres, 32 );
264
plane_expand_border( frame->lowres[i], frame->i_stride_lowres, frame->i_stride_lowres - 2*PADH, frame->i_lines_lowres, PADH, PADV, 1, 1 );
238
265
}
239
266
240
267
void x264_frame_expand_border_mod16( x264_t *h, x264_frame_t *frame )
257
284
}
258
285
if( i_pady )
259
286
{
287
//FIXME interlace? or just let it pad using the wrong field
260
288
for( y = i_height; y < i_height + i_pady; y++ )
261
289
memcpy( &frame->plane[i][y*frame->i_stride[i]],
262
290
&frame->plane[i][(i_height-1)*frame->i_stride[i]],
496
524
}
497
525
}
498
526
499
void x264_frame_deblocking_filter( x264_t *h, int i_slice_type )
527
void x264_frame_deblock_row( x264_t *h, int mb_y )
500
528
{
501
529
const int s8x8 = 2 * h->mb.i_mb_stride;
502
530
const int s4x4 = 4 * h->mb.i_mb_stride;
503
504
int mb_y, mb_x;
505
506
for( mb_y = 0, mb_x = 0; mb_y < h->sps->i_mb_height; )
531
const int b_interlaced = h->sh.b_mbaff;
532
const int mvy_limit = 4 >> b_interlaced;
533
int mb_x;
534
535
int i_stride2[3] = { h->fdec->i_stride[0] << b_interlaced,
536
h->fdec->i_stride[1] << b_interlaced,
537
h->fdec->i_stride[2] << b_interlaced };
538
539
for( mb_x = 0; mb_x < h->sps->i_mb_width; )
507
540
{
508
541
const int mb_xy = mb_y * h->mb.i_mb_stride + mb_x;
509
542
const int mb_8x8 = 2 * s8x8 * mb_y + 2 * mb_x;
512
545
const int i_edge_end = (h->mb.type[mb_xy] == P_SKIP) ? 1 : 4;
513
546
int i_edge, i_dir;
514
547
548
int i_pix_y[3] = { 16*mb_y*h->fdec->i_stride[0] + 16*mb_x,
549
8*mb_y*h->fdec->i_stride[1] + 8*mb_x,
550
8*mb_y*h->fdec->i_stride[2] + 8*mb_x };
551
if( b_interlaced && (mb_y&1) )
552
{
553
i_pix_y[0] -= 15*h->fdec->i_stride[0];
554
i_pix_y[1] -= 7*h->fdec->i_stride[1];
555
i_pix_y[2] -= 7*h->fdec->i_stride[2];
556
}
557
558
x264_prefetch_fenc( h, h->fdec, mb_x, mb_y );
559
515
560
/* cavlc + 8x8 transform stores nnz per 16 coeffs for the purpose of
516
561
* entropy coding, but per 64 coeffs for the purpose of deblocking */
517
562
if( !h->param.b_cabac && b_8x8_transform )
527
572
* i_dir == 1 -> horizontal edge */
528
573
for( i_dir = 0; i_dir < 2; i_dir++ )
529
574
{
530
int i_start = (i_dir ? mb_y : mb_x) ? 0 : 1;
575
int i_start = (i_dir ? (mb_y <= b_interlaced) : (mb_x == 0));
531
576
int i_qp, i_qpn;
532
577
533
578
for( i_edge = i_start; i_edge < i_edge_end; i_edge++ )
542
587
mbn_8x8 = i_edge > 0 ? mb_8x8 : ( i_dir == 0 ? mb_8x8 - 2 : mb_8x8 - 2 * s8x8 );
543
588
mbn_4x4 = i_edge > 0 ? mb_4x4 : ( i_dir == 0 ? mb_4x4 - 4 : mb_4x4 - 4 * s4x4 );
544
589
590
if( b_interlaced && i_edge == 0 && i_dir == 1 )
591
{
592
mbn_xy -= h->mb.i_mb_stride;
593
mbn_8x8 -= 2 * s8x8;
594
mbn_4x4 -= 4 * s4x4;
595
}
596
545
597
/* *** Get bS for each 4px for the current edge *** */
546
598
if( IS_INTRA( h->mb.type[mb_xy] ) || IS_INTRA( h->mb.type[mbn_xy] ) )
547
599
{
548
bS[0] = bS[1] = bS[2] = bS[3] = ( i_edge == 0 ? 4 : 3 );
600
bS[0] = bS[1] = bS[2] = bS[3] = ( i_edge == 0 && !(b_interlaced && i_dir) ? 4 : 3 );
549
601
}
550
602
else
551
603
{
577
629
578
630
bS[i] = 0;
579
631
580
for( l = 0; l < 1 + (i_slice_type == SLICE_TYPE_B); l++ )
632
for( l = 0; l < 1 + (h->sh.i_type == SLICE_TYPE_B); l++ )
581
633
{
582
634
if( h->mb.ref[l][i8p] != h->mb.ref[l][i8q] ||
583
635
abs( h->mb.mv[l][i4p][0] - h->mb.mv[l][i4q][0] ) >= 4 ||
584
abs( h->mb.mv[l][i4p][1] - h->mb.mv[l][i4q][1] ) >= 4 )
636
abs( h->mb.mv[l][i4p][1] - h->mb.mv[l][i4q][1] ) >= mvy_limit )
585
637
{
586
638
bS[i] = 1;
587
639
break;
599
651
if( i_dir == 0 )
600
652
{
601
653
/* vertical edge */
602
deblock_edge( h, &h->fdec->plane[0][16*mb_y * h->fdec->i_stride[0] + 16*mb_x + 4*i_edge],
603
h->fdec->i_stride[0], bS, (i_qp+i_qpn+1) >> 1, 0,
654
deblock_edge( h, &h->fdec->plane[0][i_pix_y[0] + 4*i_edge],
655
i_stride2[0], bS, (i_qp+i_qpn+1) >> 1, 0,
604
656
h->loopf.deblock_h_luma, h->loopf.deblock_h_luma_intra );
605
657
if( !(i_edge & 1) )
606
658
{
607
659
/* U/V planes */
608
660
int i_qpc = ( i_chroma_qp_table[x264_clip3( i_qp + h->pps->i_chroma_qp_index_offset, 0, 51 )] +
609
661
i_chroma_qp_table[x264_clip3( i_qpn + h->pps->i_chroma_qp_index_offset, 0, 51 )] + 1 ) >> 1;
610
deblock_edge( h, &h->fdec->plane[1][8*(mb_y*h->fdec->i_stride[1]+mb_x)+2*i_edge],
611
h->fdec->i_stride[1], bS, i_qpc, 1,
662
deblock_edge( h, &h->fdec->plane[1][i_pix_y[1] + 2*i_edge],
663
i_stride2[1], bS, i_qpc, 1,
612
664
h->loopf.deblock_h_chroma, h->loopf.deblock_h_chroma_intra );
613
deblock_edge( h, &h->fdec->plane[2][8*(mb_y*h->fdec->i_stride[2]+mb_x)+2*i_edge],
614
h->fdec->i_stride[2], bS, i_qpc, 1,
665
deblock_edge( h, &h->fdec->plane[2][i_pix_y[2] + 2*i_edge],
666
i_stride2[2], bS, i_qpc, 1,
615
667
h->loopf.deblock_h_chroma, h->loopf.deblock_h_chroma_intra );
616
668
}
617
669
}
618
670
else
619
671
{
620
672
/* horizontal edge */
621
deblock_edge( h, &h->fdec->plane[0][(16*mb_y + 4*i_edge) * h->fdec->i_stride[0] + 16*mb_x],
622
h->fdec->i_stride[0], bS, (i_qp+i_qpn+1) >> 1, 0,
673
deblock_edge( h, &h->fdec->plane[0][i_pix_y[0] + 4*i_edge*i_stride2[0]],
674
i_stride2[0], bS, (i_qp+i_qpn+1) >> 1, 0,
623
675
h->loopf.deblock_v_luma, h->loopf.deblock_v_luma_intra );
624
676
/* U/V planes */
625
677
if( !(i_edge & 1) )
626
678
{
627
679
int i_qpc = ( i_chroma_qp_table[x264_clip3( i_qp + h->pps->i_chroma_qp_index_offset, 0, 51 )] +
628
680
i_chroma_qp_table[x264_clip3( i_qpn + h->pps->i_chroma_qp_index_offset, 0, 51 )] + 1 ) >> 1;
629
deblock_edge( h, &h->fdec->plane[1][8*(mb_y*h->fdec->i_stride[1]+mb_x)+2*i_edge*h->fdec->i_stride[1]],
630
h->fdec->i_stride[1], bS, i_qpc, 1,
681
deblock_edge( h, &h->fdec->plane[1][i_pix_y[1] + 2*i_edge*i_stride2[1]],
682
i_stride2[1], bS, i_qpc, 1,
631
683
h->loopf.deblock_v_chroma, h->loopf.deblock_v_chroma_intra );
632
deblock_edge( h, &h->fdec->plane[2][8*(mb_y*h->fdec->i_stride[2]+mb_x)+2*i_edge*h->fdec->i_stride[2]],
633
h->fdec->i_stride[2], bS, i_qpc, 1,
684
deblock_edge( h, &h->fdec->plane[2][i_pix_y[2] + 2*i_edge*i_stride2[2]],
685
i_stride2[2], bS, i_qpc, 1,
634
686
h->loopf.deblock_v_chroma, h->loopf.deblock_v_chroma_intra );
635
687
}
636
688
}
637
689
}
638
690
}
639
691
640
/* newt mb */
641
mb_x++;
642
if( mb_x >= h->sps->i_mb_width )
643
{
644
mb_x = 0;
645
mb_y++;
646
}
692
/* next mb */
693
if( !b_interlaced || (mb_y&1) )
694
mb_x++;
695
mb_y ^= b_interlaced;
647
696
}
648
697
}
649
698
699
void x264_frame_deblock( x264_t *h )
700
{
701
int mb_y;
702
for( mb_y = 0; mb_y < h->sps->i_mb_height; mb_y += 1 + h->sh.b_mbaff )
703
x264_frame_deblock_row( h, mb_y );
704
}
705
650
706
#ifdef HAVE_MMXEXT
651
707
void x264_deblock_v_chroma_mmxext( uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0 );
652
708
void x264_deblock_h_chroma_mmxext( uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0 );
701
757
#endif
702
758
}
703
759
760
761
/* threading */
762
763
#ifdef HAVE_PTHREAD
764
void x264_frame_cond_broadcast( x264_frame_t *frame, int i_lines_completed )
765
{
766
pthread_mutex_lock( &frame->mutex );
767
frame->i_lines_completed = i_lines_completed;
768
pthread_cond_broadcast( &frame->cv );
769
pthread_mutex_unlock( &frame->mutex );
770
}
771
772
void x264_frame_cond_wait( x264_frame_t *frame, int i_lines_completed )
773
{
774
pthread_mutex_lock( &frame->mutex );
775
while( frame->i_lines_completed < i_lines_completed )
776
pthread_cond_wait( &frame->cv, &frame->mutex );
777
pthread_mutex_unlock( &frame->mutex );
778
}
779
780
#else
781
void x264_frame_cond_broadcast( x264_frame_t *frame, int i_lines_completed )
782
{}
783
void x264_frame_cond_wait( x264_frame_t *frame, int i_lines_completed )
784
{}
785
#endif
786
787
788
/* list operators */
789
790
void x264_frame_push( x264_frame_t **list, x264_frame_t *frame )
791
{
792
int i = 0;
793
while( list[i] ) i++;
794
list[i] = frame;
795
}
796
797
x264_frame_t *x264_frame_pop( x264_frame_t **list )
798
{
799
x264_frame_t *frame;
800
int i = 0;
801
assert( list[0] );
802
while( list[i+1] ) i++;
803
frame = list[i];
804
list[i] = NULL;
805
return frame;
806
}
807
808
void x264_frame_unshift( x264_frame_t **list, x264_frame_t *frame )
809
{
810
int i = 0;
811
while( list[i] ) i++;
812
while( i-- )
813
list[i+1] = list[i];
814
list[0] = frame;
815
}
816
817
x264_frame_t *x264_frame_shift( x264_frame_t **list )
818
{
819
x264_frame_t *frame = list[0];
820
int i;
821
for( i = 0; list[i]; i++ )
822
list[i] = list[i+1];
823
assert(frame);
824
return frame;
825
}
826
827
void x264_frame_push_unused( x264_t *h, x264_frame_t *frame )
828
{
829
assert( frame->i_reference_count > 0 );
830
frame->i_reference_count--;
831
if( frame->i_reference_count == 0 )
832
x264_frame_push( h->frames.unused, frame );
833
assert( h->frames.unused[ sizeof(h->frames.unused) / sizeof(*h->frames.unused) - 1 ] == NULL );
834
}
835
836
x264_frame_t *x264_frame_pop_unused( x264_t *h )
837
{
838
x264_frame_t *frame;
839
if( h->frames.unused[0] )
840
frame = x264_frame_pop( h->frames.unused );
841
else
842
frame = x264_frame_new( h );
843
assert( frame->i_reference_count == 0 );
844
frame->i_reference_count = 1;
845
return frame;
846
}
847
848
void x264_frame_sort( x264_frame_t **list, int b_dts )
849
{
850
int i, b_ok;
851
do {
852
b_ok = 1;
853
for( i = 0; list[i+1]; i++ )
854
{
855
int dtype = list[i]->i_type - list[i+1]->i_type;
856
int dtime = list[i]->i_frame - list[i+1]->i_frame;
857
int swap = b_dts ? dtype > 0 || ( dtype == 0 && dtime > 0 )
858
: dtime > 0;
859
if( swap )
860
{
861
XCHG( x264_frame_t*, list[i], list[i+1] );
862
b_ok = 0;
863
}
864
}
865
} while( !b_ok );
866
}
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Version: 2.0.1