20 |
* along with this program ; if not, write to the Free Software |
* along with this program ; if not, write to the Free Software |
21 |
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
22 |
* |
* |
23 |
* $Id: decoder.c,v 1.68 2004-12-05 13:56:13 syskin Exp $ |
* $Id: decoder.c,v 1.70 2005-05-17 21:03:32 Skal Exp $ |
24 |
* |
* |
25 |
****************************************************************************/ |
****************************************************************************/ |
26 |
|
|
73 |
|
|
74 |
image_destroy(&dec->gmc, dec->edged_width, dec->edged_height); |
image_destroy(&dec->gmc, dec->edged_width, dec->edged_height); |
75 |
|
|
76 |
if (dec->last_mbs) |
image_null(&dec->cur); |
77 |
|
image_null(&dec->refn[0]); |
78 |
|
image_null(&dec->refn[1]); |
79 |
|
image_null(&dec->tmp); |
80 |
|
image_null(&dec->qtmp); |
81 |
|
image_null(&dec->gmc); |
82 |
|
|
83 |
|
|
84 |
xvid_free(dec->last_mbs); |
xvid_free(dec->last_mbs); |
|
if (dec->mbs) |
|
85 |
xvid_free(dec->mbs); |
xvid_free(dec->mbs); |
|
if (dec->qscale) |
|
86 |
xvid_free(dec->qscale); |
xvid_free(dec->qscale); |
87 |
|
dec->last_mbs = NULL; |
88 |
|
dec->mbs = NULL; |
89 |
|
dec->qscale = NULL; |
90 |
|
|
91 |
/* realloc */ |
/* realloc */ |
92 |
dec->mb_width = (dec->width + 15) / 16; |
dec->mb_width = (dec->width + 15) / 16; |
95 |
dec->edged_width = 16 * dec->mb_width + 2 * EDGE_SIZE; |
dec->edged_width = 16 * dec->mb_width + 2 * EDGE_SIZE; |
96 |
dec->edged_height = 16 * dec->mb_height + 2 * EDGE_SIZE; |
dec->edged_height = 16 * dec->mb_height + 2 * EDGE_SIZE; |
97 |
|
|
98 |
if (image_create(&dec->cur, dec->edged_width, dec->edged_height)) { |
if ( image_create(&dec->cur, dec->edged_width, dec->edged_height) |
99 |
xvid_free(dec); |
|| image_create(&dec->refn[0], dec->edged_width, dec->edged_height) |
100 |
return XVID_ERR_MEMORY; |
|| image_create(&dec->refn[1], dec->edged_width, dec->edged_height) /* Support B-frame to reference last 2 frame */ |
101 |
} |
|| image_create(&dec->tmp, dec->edged_width, dec->edged_height) |
102 |
|
|| image_create(&dec->qtmp, dec->edged_width, dec->edged_height) |
103 |
if (image_create(&dec->refn[0], dec->edged_width, dec->edged_height)) { |
|| image_create(&dec->gmc, dec->edged_width, dec->edged_height) ) |
104 |
image_destroy(&dec->cur, dec->edged_width, dec->edged_height); |
goto memory_error; |
|
xvid_free(dec); |
|
|
return XVID_ERR_MEMORY; |
|
|
} |
|
|
|
|
|
/* Support B-frame to reference last 2 frame */ |
|
|
if (image_create(&dec->refn[1], dec->edged_width, dec->edged_height)) { |
|
|
image_destroy(&dec->cur, dec->edged_width, dec->edged_height); |
|
|
image_destroy(&dec->refn[0], dec->edged_width, dec->edged_height); |
|
|
xvid_free(dec); |
|
|
return XVID_ERR_MEMORY; |
|
|
} |
|
|
if (image_create(&dec->tmp, dec->edged_width, dec->edged_height)) { |
|
|
image_destroy(&dec->cur, dec->edged_width, dec->edged_height); |
|
|
image_destroy(&dec->refn[0], dec->edged_width, dec->edged_height); |
|
|
image_destroy(&dec->refn[1], dec->edged_width, dec->edged_height); |
|
|
xvid_free(dec); |
|
|
return XVID_ERR_MEMORY; |
|
|
} |
|
|
|
|
|
if (image_create(&dec->qtmp, dec->edged_width, dec->edged_height)) { |
|
|
image_destroy(&dec->cur, dec->edged_width, dec->edged_height); |
|
|
image_destroy(&dec->refn[0], dec->edged_width, dec->edged_height); |
|
|
image_destroy(&dec->refn[1], dec->edged_width, dec->edged_height); |
|
|
image_destroy(&dec->tmp, dec->edged_width, dec->edged_height); |
|
|
xvid_free(dec); |
|
|
return XVID_ERR_MEMORY; |
|
|
} |
|
|
|
|
|
if (image_create(&dec->gmc, dec->edged_width, dec->edged_height)) { |
|
|
image_destroy(&dec->qtmp, dec->edged_width, dec->edged_height); |
|
|
image_destroy(&dec->cur, dec->edged_width, dec->edged_height); |
|
|
image_destroy(&dec->refn[0], dec->edged_width, dec->edged_height); |
|
|
image_destroy(&dec->refn[1], dec->edged_width, dec->edged_height); |
|
|
image_destroy(&dec->tmp, dec->edged_width, dec->edged_height); |
|
|
xvid_free(dec); |
|
|
return XVID_ERR_MEMORY; |
|
|
} |
|
105 |
|
|
106 |
dec->mbs = |
dec->mbs = |
107 |
xvid_malloc(sizeof(MACROBLOCK) * dec->mb_width * dec->mb_height, |
xvid_malloc(sizeof(MACROBLOCK) * dec->mb_width * dec->mb_height, |
108 |
CACHE_LINE); |
CACHE_LINE); |
109 |
if (dec->mbs == NULL) { |
if (dec->mbs == NULL) |
110 |
image_destroy(&dec->cur, dec->edged_width, dec->edged_height); |
goto memory_error; |
|
image_destroy(&dec->refn[0], dec->edged_width, dec->edged_height); |
|
|
image_destroy(&dec->refn[1], dec->edged_width, dec->edged_height); |
|
|
image_destroy(&dec->tmp, dec->edged_width, dec->edged_height); |
|
|
image_destroy(&dec->qtmp, dec->edged_width, dec->edged_height); |
|
|
xvid_free(dec); |
|
|
return XVID_ERR_MEMORY; |
|
|
} |
|
111 |
memset(dec->mbs, 0, sizeof(MACROBLOCK) * dec->mb_width * dec->mb_height); |
memset(dec->mbs, 0, sizeof(MACROBLOCK) * dec->mb_width * dec->mb_height); |
112 |
|
|
113 |
/* For skip MB flag */ |
/* For skip MB flag */ |
114 |
dec->last_mbs = |
dec->last_mbs = |
115 |
xvid_malloc(sizeof(MACROBLOCK) * dec->mb_width * dec->mb_height, |
xvid_malloc(sizeof(MACROBLOCK) * dec->mb_width * dec->mb_height, |
116 |
CACHE_LINE); |
CACHE_LINE); |
117 |
if (dec->last_mbs == NULL) { |
if (dec->last_mbs == NULL) |
118 |
xvid_free(dec->mbs); |
goto memory_error; |
|
image_destroy(&dec->cur, dec->edged_width, dec->edged_height); |
|
|
image_destroy(&dec->refn[0], dec->edged_width, dec->edged_height); |
|
|
image_destroy(&dec->refn[1], dec->edged_width, dec->edged_height); |
|
|
image_destroy(&dec->tmp, dec->edged_width, dec->edged_height); |
|
|
image_destroy(&dec->qtmp, dec->edged_width, dec->edged_height); |
|
|
xvid_free(dec); |
|
|
return XVID_ERR_MEMORY; |
|
|
} |
|
|
|
|
119 |
memset(dec->last_mbs, 0, sizeof(MACROBLOCK) * dec->mb_width * dec->mb_height); |
memset(dec->last_mbs, 0, sizeof(MACROBLOCK) * dec->mb_width * dec->mb_height); |
120 |
|
|
121 |
/* nothing happens if that fails */ |
/* nothing happens if that fails */ |
126 |
memset(dec->qscale, 0, sizeof(int) * dec->mb_width * dec->mb_height); |
memset(dec->qscale, 0, sizeof(int) * dec->mb_width * dec->mb_height); |
127 |
|
|
128 |
return 0; |
return 0; |
129 |
|
|
130 |
|
memory_error: |
131 |
|
/* Most structures were deallocated / nullifieded, so it should be safe */ |
132 |
|
/* decoder_destroy(dec) minus the write_timer */ |
133 |
|
xvid_free(dec->mbs); |
134 |
|
image_destroy(&dec->cur, dec->edged_width, dec->edged_height); |
135 |
|
image_destroy(&dec->refn[0], dec->edged_width, dec->edged_height); |
136 |
|
image_destroy(&dec->refn[1], dec->edged_width, dec->edged_height); |
137 |
|
image_destroy(&dec->tmp, dec->edged_width, dec->edged_height); |
138 |
|
image_destroy(&dec->qtmp, dec->edged_width, dec->edged_height); |
139 |
|
|
140 |
|
xvid_free(dec); |
141 |
|
return XVID_ERR_MEMORY; |
142 |
} |
} |
143 |
|
|
144 |
|
|
1352 |
coding_type = BitstreamReadHeaders(&bs, dec, &rounding, |
coding_type = BitstreamReadHeaders(&bs, dec, &rounding, |
1353 |
&quant, &fcode_forward, &fcode_backward, &intra_dc_threshold, &gmc_warp); |
&quant, &fcode_forward, &fcode_backward, &intra_dc_threshold, &gmc_warp); |
1354 |
|
|
1355 |
DPRINTF(XVID_DEBUG_HEADER, "coding_type=%i, packed=%i, time=%lli, time_pp=%i, time_bp=%i\n", |
DPRINTF(XVID_DEBUG_HEADER, "coding_type=%i, packed=%i, time=%" |
1356 |
|
#if defined(_MSC_VER) |
1357 |
|
"I64" |
1358 |
|
#else |
1359 |
|
"ll" |
1360 |
|
#endif |
1361 |
|
"i, time_pp=%i, time_bp=%i\n", |
1362 |
coding_type, dec->packed_mode, dec->time, dec->time_pp, dec->time_bp); |
coding_type, dec->packed_mode, dec->time, dec->time_pp, dec->time_bp); |
1363 |
|
|
1364 |
if (coding_type == -1) { /* nothing */ |
if (coding_type == -1) { /* nothing */ |
1485 |
|
|
1486 |
done : |
done : |
1487 |
|
|
1488 |
/* low_delay_default mode: if we've gotten here without outputting anything, |
/* if we reach here without outputing anything _and_ |
1489 |
then output the recently decoded frame, or print an error message */ |
the calling application has specified low_delay_default, |
1490 |
|
we *must* output something. |
1491 |
|
this always occurs on the first call to decode() call |
1492 |
|
when bframes are present in the bitstream. it may also |
1493 |
|
occur if no vops were seen in the bitstream |
1494 |
|
|
1495 |
|
if packed_mode is enabled, then we output the recently |
1496 |
|
decoded frame (the very first ivop). otherwise we have |
1497 |
|
nothing to display, and therefore output a black screen. |
1498 |
|
*/ |
1499 |
if (dec->low_delay_default && output == 0) { |
if (dec->low_delay_default && output == 0) { |
1500 |
if (dec->packed_mode && seen_something) { |
if (dec->packed_mode && seen_something) { |
|
/* output the recently decoded frame */ |
|
1501 |
decoder_output(dec, &dec->refn[0], dec->last_mbs, frame, stats, dec->last_coding_type, quant); |
decoder_output(dec, &dec->refn[0], dec->last_mbs, frame, stats, dec->last_coding_type, quant); |
1502 |
} else { |
} else { |
1503 |
image_clear(&dec->cur, dec->width, dec->height, dec->edged_width, 0, 128, 128); |
image_clear(&dec->cur, dec->width, dec->height, dec->edged_width, 0, 128, 128); |
|
image_printf(&dec->cur, dec->edged_width, dec->height, 16, 16, |
|
|
"warning: nothing to output"); |
|
|
image_printf(&dec->cur, dec->edged_width, dec->height, 16, 64, |
|
|
"bframe decoder lag"); |
|
|
|
|
1504 |
decoder_output(dec, &dec->cur, NULL, frame, stats, P_VOP, quant); |
decoder_output(dec, &dec->cur, NULL, frame, stats, P_VOP, quant); |
1505 |
if (stats) stats->type = XVID_TYPE_NOTHING; |
if (stats) stats->type = XVID_TYPE_NOTHING; |
1506 |
} |
} |