57 |
#include "image/image.h" |
#include "image/image.h" |
58 |
#include "image/colorspace.h" |
#include "image/colorspace.h" |
59 |
#include "utils/mem_align.h" |
#include "utils/mem_align.h" |
60 |
|
#include "image/postprocessing.h" |
61 |
|
|
62 |
int |
int |
63 |
decoder_resize(DECODER * dec) |
decoder_resize(DECODER * dec) |
159 |
|
|
160 |
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); |
161 |
|
|
162 |
return 0; |
return XVID_ERR_OK; |
163 |
} |
} |
164 |
|
|
165 |
|
|
166 |
int |
int |
167 |
decoder_create(xvid_dec_create_t * create) |
decoder_create(XVID_DEC_PARAM * param) |
168 |
{ |
{ |
169 |
DECODER *dec; |
DECODER *dec; |
170 |
|
|
|
if (XVID_MAJOR(create->version) != 1) /* v1.x.x */ |
|
|
return XVID_ERR_VERSION; |
|
|
|
|
171 |
dec = xvid_malloc(sizeof(DECODER), CACHE_LINE); |
dec = xvid_malloc(sizeof(DECODER), CACHE_LINE); |
172 |
if (dec == NULL) { |
if (dec == NULL) { |
173 |
return XVID_ERR_MEMORY; |
return XVID_ERR_MEMORY; |
174 |
} |
} |
175 |
memset(dec, 0, sizeof(DECODER)); |
memset(dec, 0, sizeof(DECODER)); |
176 |
|
|
177 |
create->handle = dec; |
param->handle = dec; |
178 |
|
|
179 |
dec->width = create->width; |
dec->width = param->width; |
180 |
dec->height = create->height; |
dec->height = param->height; |
181 |
|
|
182 |
image_null(&dec->cur); |
image_null(&dec->cur); |
183 |
image_null(&dec->refn[0]); |
image_null(&dec->refn[0]); |
205 |
if (dec->fixed_dimensions) |
if (dec->fixed_dimensions) |
206 |
return decoder_resize(dec); |
return decoder_resize(dec); |
207 |
else |
else |
208 |
return 0; |
return XVID_ERR_OK; |
209 |
} |
} |
210 |
|
|
211 |
|
|
226 |
xvid_free(dec); |
xvid_free(dec); |
227 |
|
|
228 |
write_timer(); |
write_timer(); |
229 |
return 0; |
return XVID_ERR_OK; |
230 |
} |
} |
231 |
|
|
232 |
|
|
302 |
block[i * 64 + 0] = dc_dif; |
block[i * 64 + 0] = dc_dif; |
303 |
start_coeff = 1; |
start_coeff = 1; |
304 |
|
|
305 |
DPRINTF(XVID_DEBUG_COEFF,"block[0] %i\n", dc_dif); |
DPRINTF(DPRINTF_COEFF,"block[0] %i", dc_dif); |
306 |
} else { |
} else { |
307 |
start_coeff = 0; |
start_coeff = 0; |
308 |
} |
} |
735 |
} |
} |
736 |
mb = &dec->mbs[y * dec->mb_width + x]; |
mb = &dec->mbs[y * dec->mb_width + x]; |
737 |
|
|
738 |
DPRINTF(XVID_DEBUG_MB, "macroblock (%i,%i) %08x\n", x, y, BitstreamShowBits(bs, 32)); |
DPRINTF(DPRINTF_MB, "macroblock (%i,%i) %08x", x, y, BitstreamShowBits(bs, 32)); |
739 |
|
|
740 |
mcbpc = get_mcbpc_intra(bs); |
mcbpc = get_mcbpc_intra(bs); |
741 |
mb->mode = mcbpc & 7; |
mb->mode = mcbpc & 7; |
762 |
|
|
763 |
if (dec->interlacing) { |
if (dec->interlacing) { |
764 |
mb->field_dct = BitstreamGetBit(bs); |
mb->field_dct = BitstreamGetBit(bs); |
765 |
DPRINTF(XVID_DEBUG_MB,"deci: field_dct: %i\n", mb->field_dct); |
DPRINTF(DPRINTF_MB,"deci: field_dct: %i", mb->field_dct); |
766 |
} |
} |
767 |
|
|
768 |
decoder_mbintra(dec, mb, x, y, acpred_flag, cbp, bs, quant, |
decoder_mbintra(dec, mb, x, y, acpred_flag, cbp, bs, quant, |
800 |
mv.x = get_mv(bs, fcode); |
mv.x = get_mv(bs, fcode); |
801 |
mv.y = get_mv(bs, fcode); |
mv.y = get_mv(bs, fcode); |
802 |
|
|
803 |
DPRINTF(XVID_DEBUG_MV,"mv_diff (%i,%i) pred (%i,%i) result (%i,%i)\n", mv.x, mv.y, pmv.x, pmv.y, mv.x+pmv.x, mv.y+pmv.y); |
DPRINTF(DPRINTF_MV,"mv_diff (%i,%i) pred (%i,%i) result (%i,%i)", mv.x, mv.y, pmv.x, pmv.y, mv.x+pmv.x, mv.y+pmv.y); |
804 |
|
|
805 |
mv.x += pmv.x; |
mv.x += pmv.x; |
806 |
mv.y += pmv.y; |
mv.y += pmv.y; |
899 |
} |
} |
900 |
mb = &dec->mbs[y * dec->mb_width + x]; |
mb = &dec->mbs[y * dec->mb_width + x]; |
901 |
|
|
902 |
DPRINTF(XVID_DEBUG_MB, "macroblock (%i,%i) %08x\n", x, y, BitstreamShowBits(bs, 32)); |
DPRINTF(DPRINTF_MB, "macroblock (%i,%i) %08x", x, y, BitstreamShowBits(bs, 32)); |
903 |
|
|
904 |
/* if (!(dec->mb_skip[y*dec->mb_width + x]=BitstreamGetBit(bs))) */ /* not_coded */ |
/* if (!(dec->mb_skip[y*dec->mb_width + x]=BitstreamGetBit(bs))) */ /* not_coded */ |
905 |
if (!(BitstreamGetBit(bs))) /* block _is_ coded */ |
if (!(BitstreamGetBit(bs))) /* block _is_ coded */ |
917 |
mb->mode = mcbpc & 7; |
mb->mode = mcbpc & 7; |
918 |
cbpc = (mcbpc >> 4); |
cbpc = (mcbpc >> 4); |
919 |
|
|
920 |
DPRINTF(XVID_DEBUG_MB, "mode %i\n", mb->mode); |
DPRINTF(DPRINTF_MB, "mode %i", mb->mode); |
921 |
DPRINTF(XVID_DEBUG_MB, "cbpc %i\n", cbpc); |
DPRINTF(DPRINTF_MB, "cbpc %i", cbpc); |
922 |
acpred_flag = 0; |
acpred_flag = 0; |
923 |
|
|
924 |
intra = (mb->mode == MODE_INTRA || mb->mode == MODE_INTRA_Q); |
intra = (mb->mode == MODE_INTRA || mb->mode == MODE_INTRA_Q); |
933 |
} |
} |
934 |
|
|
935 |
cbpy = get_cbpy(bs, intra); |
cbpy = get_cbpy(bs, intra); |
936 |
DPRINTF(XVID_DEBUG_MB, "cbpy %i mcsel %i \n", cbpy,mcsel); |
DPRINTF(DPRINTF_MB, "cbpy %i mcsel %i ", cbpy,mcsel); |
937 |
|
|
938 |
cbp = (cbpy << 2) | cbpc; |
cbp = (cbpy << 2) | cbpc; |
939 |
|
|
940 |
if (mb->mode == MODE_INTER_Q || mb->mode == MODE_INTRA_Q) { |
if (mb->mode == MODE_INTER_Q || mb->mode == MODE_INTRA_Q) { |
941 |
int dquant = dquant_table[BitstreamGetBits(bs, 2)]; |
int dquant = dquant_table[BitstreamGetBits(bs, 2)]; |
942 |
DPRINTF(XVID_DEBUG_MB, "dquant %i\n", dquant); |
DPRINTF(DPRINTF_MB, "dquant %i", dquant); |
943 |
quant += dquant; |
quant += dquant; |
944 |
if (quant > 31) { |
if (quant > 31) { |
945 |
quant = 31; |
quant = 31; |
946 |
} else if (quant < 1) { |
} else if (quant < 1) { |
947 |
quant = 1; |
quant = 1; |
948 |
} |
} |
949 |
DPRINTF(XVID_DEBUG_MB, "quant %i\n", quant); |
DPRINTF(DPRINTF_MB, "quant %i", quant); |
950 |
} |
} |
951 |
mb->quant = quant; |
mb->quant = quant; |
952 |
|
|
953 |
if (dec->interlacing) { |
if (dec->interlacing) { |
954 |
if (cbp || intra) { |
if (cbp || intra) { |
955 |
mb->field_dct = BitstreamGetBit(bs); |
mb->field_dct = BitstreamGetBit(bs); |
956 |
DPRINTF(XVID_DEBUG_MB,"decp: field_dct: %i\n", mb->field_dct); |
DPRINTF(DPRINTF_MB,"decp: field_dct: %i", mb->field_dct); |
957 |
} |
} |
958 |
|
|
959 |
if (mb->mode == MODE_INTER || mb->mode == MODE_INTER_Q) { |
if (mb->mode == MODE_INTER || mb->mode == MODE_INTER_Q) { |
960 |
mb->field_pred = BitstreamGetBit(bs); |
mb->field_pred = BitstreamGetBit(bs); |
961 |
DPRINTF(XVID_DEBUG_MB, "decp: field_pred: %i\n", mb->field_pred); |
DPRINTF(DPRINTF_MB, "decp: field_pred: %i", mb->field_pred); |
962 |
|
|
963 |
if (mb->field_pred) { |
if (mb->field_pred) { |
964 |
mb->field_for_top = BitstreamGetBit(bs); |
mb->field_for_top = BitstreamGetBit(bs); |
965 |
DPRINTF(XVID_DEBUG_MB,"decp: field_for_top: %i\n", mb->field_for_top); |
DPRINTF(DPRINTF_MB,"decp: field_for_top: %i", mb->field_for_top); |
966 |
mb->field_for_bot = BitstreamGetBit(bs); |
mb->field_for_bot = BitstreamGetBit(bs); |
967 |
DPRINTF(XVID_DEBUG_MB,"decp: field_for_bot: %i\n", mb->field_for_bot); |
DPRINTF(DPRINTF_MB,"decp: field_for_bot: %i", mb->field_for_bot); |
968 |
} |
} |
969 |
} |
} |
970 |
} |
} |
1689 |
break; |
break; |
1690 |
|
|
1691 |
default: |
default: |
1692 |
DPRINTF(XVID_DEBUG_ERROR,"Not support B-frame mb_type = %i\n", mb->mb_type); |
DPRINTF(DPRINTF_ERROR,"Not support B-frame mb_type = %i", mb->mb_type); |
1693 |
} |
} |
1694 |
} /* End of for */ |
} /* End of for */ |
1695 |
} |
} |
1703 |
#endif |
#endif |
1704 |
} |
} |
1705 |
|
|
1706 |
|
/* swap two MACROBLOCK array */ |
1707 |
|
void |
1708 |
|
mb_swap(MACROBLOCK ** mb1, |
1709 |
|
MACROBLOCK ** mb2) |
1710 |
|
{ |
1711 |
|
MACROBLOCK *temp = *mb1; |
1712 |
|
|
1713 |
|
*mb1 = *mb2; |
1714 |
|
*mb2 = temp; |
1715 |
|
} |
1716 |
|
|
1717 |
|
|
1718 |
/* perform post processing if necessary, and output the image */ |
/* perform post processing if necessary, and output the image */ |
1719 |
void decoder_output(DECODER * dec, IMAGE * img, MACROBLOCK * mbs, |
void decoder_output(DECODER * dec, IMAGE * img, MACROBLOCK * mbs, |
1720 |
xvid_dec_frame_t * frame, xvid_dec_stats_t * stats, int coding_type) |
const XVID_DEC_FRAME * frame, int pp_disable) |
1721 |
{ |
{ |
1722 |
|
|
1723 |
|
if ((frame->general & (XVID_DEC_DEBLOCKY|XVID_DEC_DEBLOCKUV)) && !pp_disable) /* post process */ |
|
image_output(img, dec->width, dec->height, |
|
|
dec->edged_width, (uint8_t**)frame->output.plane, frame->output.stride, |
|
|
frame->output.csp, dec->interlacing); |
|
|
|
|
|
if (stats) |
|
1724 |
{ |
{ |
1725 |
stats->type = coding2type(coding_type); |
/* note: image is stored to tmp */ |
1726 |
stats->data.vop.time_base = (int)dec->time_base; |
image_copy(&dec->tmp, img, dec->edged_width, dec->height); |
1727 |
stats->data.vop.time_increment = 0; //XXX: todo |
image_deblock(&dec->tmp, dec->edged_width, |
1728 |
|
mbs, dec->mb_width, dec->mb_height, dec->mb_width, |
1729 |
|
frame->general); |
1730 |
|
img = &dec->tmp; |
1731 |
} |
} |
1732 |
|
|
1733 |
|
image_output(img, dec->width, dec->height, |
1734 |
|
dec->edged_width, frame->image, frame->stride, |
1735 |
|
frame->colorspace, dec->interlacing); |
1736 |
} |
} |
1737 |
|
|
1738 |
|
|
1739 |
int |
int |
1740 |
decoder_decode(DECODER * dec, |
decoder_decode(DECODER * dec, |
1741 |
xvid_dec_frame_t * frame, xvid_dec_stats_t * stats) |
XVID_DEC_FRAME * frame, XVID_DEC_STATS * stats) |
1742 |
{ |
{ |
1743 |
|
|
1744 |
Bitstream bs; |
Bitstream bs; |
1749 |
uint32_t fcode_backward; |
uint32_t fcode_backward; |
1750 |
uint32_t intra_dc_threshold; |
uint32_t intra_dc_threshold; |
1751 |
WARPPOINTS gmc_warp; |
WARPPOINTS gmc_warp; |
1752 |
int coding_type; |
int vop_type; |
1753 |
int success, output, seen_something; |
int success = 0; |
1754 |
|
int output = 0; |
1755 |
if (XVID_MAJOR(frame->version) != 1 || (stats && XVID_MAJOR(stats->version) != 1)) /* v1.x.x */ |
int seen_something = 0; |
|
return XVID_ERR_VERSION; |
|
1756 |
|
|
1757 |
start_global_timer(); |
start_global_timer(); |
1758 |
|
|
1759 |
dec->low_delay_default = (frame->general & XVID_LOWDELAY); |
dec->low_delay_default = (frame->general & XVID_DEC_LOWDELAY); |
1760 |
if ((frame->general & XVID_DISCONTINUITY)) |
dec->out_frm = (frame->colorspace == XVID_CSP_EXTERN) ? frame->image : NULL; |
1761 |
|
|
1762 |
|
if ((frame->general & XVID_DEC_DISCONTINUITY)) |
1763 |
dec->frames = 0; |
dec->frames = 0; |
|
dec->out_frm = (frame->output.csp == XVID_CSP_SLICE) ? &frame->output : NULL; |
|
1764 |
|
|
1765 |
if (frame->length < 0) /* decoder flush */ |
if (frame->length < 0) /* decoder flush */ |
1766 |
{ |
{ |
|
int ret; |
|
1767 |
/* if not decoding "low_delay/packed", and this isn't low_delay and |
/* if not decoding "low_delay/packed", and this isn't low_delay and |
1768 |
we have a reference frame, then outout the reference frame */ |
we have a reference frame, then outout the reference frame */ |
1769 |
if (!(dec->low_delay_default && dec->packed_mode) && !dec->low_delay && dec->frames>0) { |
if (!(dec->low_delay_default && dec->packed_mode) && !dec->low_delay && dec->frames>0) |
1770 |
decoder_output(dec, &dec->refn[0], dec->last_mbs, frame, stats, dec->last_coding_type); |
{ |
1771 |
dec->frames = 0; |
decoder_output(dec, &dec->refn[0], dec->mbs, frame, dec->last_reduced_resolution); |
1772 |
ret = 0; |
output = 1; |
1773 |
}else{ |
} |
1774 |
if (stats) stats->type = XVID_TYPE_NOTHING; |
|
1775 |
ret = XVID_ERR_END; |
frame->length = 0; |
1776 |
|
if (stats) |
1777 |
|
{ |
1778 |
|
stats->notify = output ? XVID_DEC_VOP : XVID_DEC_NOTHING; |
1779 |
|
stats->data.vop.time_base = (int)dec->time_base; |
1780 |
|
stats->data.vop.time_increment = 0; /* XXX: todo */ |
1781 |
} |
} |
1782 |
|
|
1783 |
emms(); |
emms(); |
1784 |
|
|
1785 |
stop_global_timer(); |
stop_global_timer(); |
1786 |
return ret; |
return XVID_ERR_OK; |
1787 |
} |
} |
1788 |
|
|
1789 |
BitstreamInit(&bs, frame->bitstream, frame->length); |
BitstreamInit(&bs, frame->bitstream, frame->length); |
1791 |
/* XXX: 0x7f is only valid whilst decoding vfw xvid/divx5 avi's */ |
/* XXX: 0x7f is only valid whilst decoding vfw xvid/divx5 avi's */ |
1792 |
if(dec->low_delay_default && frame->length == 1 && BitstreamShowBits(&bs, 8) == 0x7f) |
if(dec->low_delay_default && frame->length == 1 && BitstreamShowBits(&bs, 8) == 0x7f) |
1793 |
{ |
{ |
1794 |
|
if (stats) |
1795 |
|
stats->notify = XVID_DEC_VOP; |
1796 |
|
frame->length = 1; |
1797 |
image_output(&dec->refn[0], dec->width, dec->height, dec->edged_width, |
image_output(&dec->refn[0], dec->width, dec->height, dec->edged_width, |
1798 |
(uint8_t**)frame->output.plane, frame->output.stride, frame->output.csp, dec->interlacing); |
frame->image, frame->stride, frame->colorspace, dec->interlacing); |
|
if (stats) stats->type = XVID_TYPE_NOTHING; |
|
1799 |
emms(); |
emms(); |
1800 |
return 1; /* one byte consumed */ |
return XVID_ERR_OK; |
1801 |
} |
} |
1802 |
|
|
|
success = 0; |
|
|
output = 0; |
|
|
seen_something = 0; |
|
|
|
|
1803 |
repeat: |
repeat: |
1804 |
|
|
1805 |
coding_type = BitstreamReadHeaders(&bs, dec, &rounding, &reduced_resolution, |
vop_type = BitstreamReadHeaders(&bs, dec, &rounding, &reduced_resolution, |
1806 |
&quant, &fcode_forward, &fcode_backward, &intra_dc_threshold, &gmc_warp); |
&quant, &fcode_forward, &fcode_backward, &intra_dc_threshold, &gmc_warp); |
1807 |
|
|
1808 |
DPRINTF(XVID_DEBUG_HEADER, "coding_type=%i, packed=%i, time=%lli, time_pp=%i, time_bp=%i\n", |
DPRINTF(DPRINTF_HEADER, "vop_type=%i, packed=%i, time=%lli, time_pp=%i, time_bp=%i", |
1809 |
coding_type, dec->packed_mode, dec->time, dec->time_pp, dec->time_bp); |
vop_type, dec->packed_mode, dec->time, dec->time_pp, dec->time_bp); |
1810 |
|
|
1811 |
if (coding_type == -1) /* nothing */ |
if (vop_type == -1) |
1812 |
{ |
{ |
1813 |
if (success) goto done; |
if (success) goto done; |
|
if (stats) stats->type = XVID_TYPE_NOTHING; |
|
1814 |
emms(); |
emms(); |
1815 |
return BitstreamPos(&bs)/8; |
return XVID_ERR_FAIL; |
1816 |
} |
} |
1817 |
|
|
1818 |
if (coding_type == -2 || coding_type == -3) /* vol and/or resize */ |
if (vop_type == -2 || vop_type == -3) |
1819 |
{ |
{ |
1820 |
if (coding_type == -3) |
if (vop_type == -3) |
1821 |
decoder_resize(dec); |
decoder_resize(dec); |
1822 |
|
|
1823 |
if (stats) |
if (stats) |
1824 |
{ |
{ |
1825 |
stats->type = XVID_TYPE_VOL; |
stats->notify = XVID_DEC_VOL; |
1826 |
stats->data.vol.general = 0; |
stats->data.vol.general = 0; |
1827 |
/*XXX: if (dec->interlacing) |
if (dec->interlacing) |
1828 |
stats->data.vol.general |= ++INTERLACING; */ |
stats->data.vol.general |= XVID_INTERLACING; |
1829 |
stats->data.vol.width = dec->width; |
stats->data.vol.width = dec->width; |
1830 |
stats->data.vol.height = dec->height; |
stats->data.vol.height = dec->height; |
1831 |
stats->data.vol.par = dec->aspect_ratio; |
stats->data.vol.aspect_ratio = dec->aspect_ratio; |
1832 |
stats->data.vol.par_width = dec->par_width; |
stats->data.vol.par_width = dec->par_width; |
1833 |
stats->data.vol.par_height = dec->par_height; |
stats->data.vol.par_height = dec->par_height; |
1834 |
|
frame->length = BitstreamPos(&bs) / 8; |
1835 |
emms(); |
emms(); |
1836 |
return BitstreamPos(&bs)/8; /* number of bytes consumed */ |
return XVID_ERR_OK; |
1837 |
} |
} |
1838 |
goto repeat; |
goto repeat; |
1839 |
} |
} |
1842 |
|
|
1843 |
|
|
1844 |
/* packed_mode: special-N_VOP treament */ |
/* packed_mode: special-N_VOP treament */ |
1845 |
if (dec->packed_mode && coding_type == N_VOP) |
if (dec->packed_mode && vop_type == N_VOP) |
1846 |
{ |
{ |
1847 |
if (dec->low_delay_default && dec->frames > 0) |
if (dec->low_delay_default && dec->frames > 0) |
1848 |
{ |
{ |
1849 |
decoder_output(dec, &dec->refn[0], dec->last_mbs, frame, stats, dec->last_coding_type); |
decoder_output(dec, &dec->refn[0], dec->last_mbs, frame, dec->last_reduced_resolution); |
1850 |
output = 1; |
output = 1; |
1851 |
} |
} |
1852 |
/* ignore otherwise */ |
/* ignore otherwise */ |
1853 |
} |
} |
1854 |
else if (coding_type != B_VOP) |
else if (vop_type != B_VOP) |
1855 |
{ |
{ |
1856 |
switch(coding_type) |
switch(vop_type) |
1857 |
{ |
{ |
1858 |
case I_VOP : |
case I_VOP : |
1859 |
decoder_iframe(dec, &bs, reduced_resolution, quant, intra_dc_threshold); |
decoder_iframe(dec, &bs, reduced_resolution, quant, intra_dc_threshold); |
1867 |
fcode_forward, intra_dc_threshold, &gmc_warp); |
fcode_forward, intra_dc_threshold, &gmc_warp); |
1868 |
break; |
break; |
1869 |
case N_VOP : |
case N_VOP : |
|
// XXX: not_coded vops are not used for forward prediction |
|
|
// we should not swap(last_mbs,mbs) |
|
1870 |
image_copy(&dec->cur, &dec->refn[0], dec->edged_width, dec->height); |
image_copy(&dec->cur, &dec->refn[0], dec->edged_width, dec->height); |
1871 |
break; |
break; |
1872 |
} |
} |
1875 |
{ |
{ |
1876 |
image_deblock_rrv(&dec->cur, dec->edged_width, dec->mbs, |
image_deblock_rrv(&dec->cur, dec->edged_width, dec->mbs, |
1877 |
(dec->width + 31) / 32, (dec->height + 31) / 32, dec->mb_width, |
(dec->width + 31) / 32, (dec->height + 31) / 32, dec->mb_width, |
1878 |
16, 0); |
16, XVID_DEC_DEBLOCKY|XVID_DEC_DEBLOCKUV); |
1879 |
} |
} |
1880 |
|
|
1881 |
/* note: for packed_mode, output is performed when the special-N_VOP is decoded */ |
/* note: for packed_mode, output is performed when the special-N_VOP is decoded */ |
1883 |
{ |
{ |
1884 |
if (dec->low_delay) |
if (dec->low_delay) |
1885 |
{ |
{ |
1886 |
decoder_output(dec, &dec->cur, dec->mbs, frame, stats, coding_type); |
decoder_output(dec, &dec->cur, dec->mbs, frame, reduced_resolution); |
1887 |
output = 1; |
output = 1; |
1888 |
} |
} |
1889 |
else if (dec->frames > 0) /* is the reference frame valid? */ |
else if (dec->frames > 0) /* is the reference frame valid? */ |
1890 |
{ |
{ |
1891 |
/* output the reference frame */ |
/* output the reference frame */ |
1892 |
decoder_output(dec, &dec->refn[0], dec->last_mbs, frame, stats, dec->last_coding_type); |
decoder_output(dec, &dec->refn[0], dec->last_mbs, frame, dec->last_reduced_resolution); |
1893 |
output = 1; |
output = 1; |
1894 |
} |
} |
1895 |
} |
} |
1896 |
|
|
1897 |
image_swap(&dec->refn[0], &dec->refn[1]); |
image_swap(&dec->refn[0], &dec->refn[1]); |
1898 |
image_swap(&dec->cur, &dec->refn[0]); |
image_swap(&dec->cur, &dec->refn[0]); |
1899 |
SWAP(MACROBLOCK *, dec->mbs, dec->last_mbs); |
mb_swap(&dec->mbs, &dec->last_mbs); |
1900 |
dec->last_reduced_resolution = reduced_resolution; |
dec->last_reduced_resolution = reduced_resolution; |
|
dec->last_coding_type = coding_type; |
|
1901 |
|
|
1902 |
dec->frames++; |
dec->frames++; |
1903 |
seen_something = 1; |
seen_something = 1; |
1906 |
|
|
1907 |
if (dec->low_delay) |
if (dec->low_delay) |
1908 |
{ |
{ |
1909 |
DPRINTF(XVID_DEBUG_ERROR, "warning: bvop found in low_delay==1 stream\n"); |
DPRINTF(DPRINTF_ERROR, "warning: bvop found in low_delay==1 stream"); |
1910 |
dec->low_delay = 1; |
dec->low_delay = 1; |
1911 |
} |
} |
1912 |
|
|
1924 |
decoder_bframe(dec, &bs, quant, fcode_forward, fcode_backward); |
decoder_bframe(dec, &bs, quant, fcode_forward, fcode_backward); |
1925 |
} |
} |
1926 |
|
|
1927 |
decoder_output(dec, &dec->cur, dec->mbs, frame, stats, coding_type); |
decoder_output(dec, &dec->cur, dec->mbs, frame, reduced_resolution); |
1928 |
output = 1; |
output = 1; |
1929 |
dec->frames++; |
dec->frames++; |
1930 |
} |
} |
1947 |
if (dec->packed_mode && seen_something) |
if (dec->packed_mode && seen_something) |
1948 |
{ |
{ |
1949 |
/* output the recently decoded frame */ |
/* output the recently decoded frame */ |
1950 |
decoder_output(dec, &dec->refn[0], dec->last_mbs, frame, stats, dec->last_coding_type); |
decoder_output(dec, &dec->refn[0], dec->last_mbs, frame, dec->last_reduced_resolution); |
1951 |
|
output = 1; |
1952 |
} |
} |
1953 |
else |
else |
1954 |
{ |
{ |
1958 |
image_printf(&dec->cur, dec->edged_width, dec->height, 16, 64, |
image_printf(&dec->cur, dec->edged_width, dec->height, 16, 64, |
1959 |
"bframe decoder lag"); |
"bframe decoder lag"); |
1960 |
|
|
1961 |
decoder_output(dec, &dec->cur, NULL, frame, stats, P_VOP); |
decoder_output(dec, &dec->cur, NULL, frame, 1 /*disable pp*/); |
1962 |
if (stats) stats->type = XVID_TYPE_NOTHING; |
} |
|
|
|
1963 |
} |
} |
1964 |
|
|
1965 |
|
frame->length = BitstreamPos(&bs) / 8; |
1966 |
|
|
1967 |
|
if (stats) |
1968 |
|
{ |
1969 |
|
stats->notify = output ? XVID_DEC_VOP : XVID_DEC_NOTHING; |
1970 |
|
stats->data.vop.time_base = (int)dec->time_base; |
1971 |
|
stats->data.vop.time_increment = 0; /* XXX: todo */ |
1972 |
} |
} |
1973 |
|
|
1974 |
emms(); |
emms(); |
1975 |
|
|
1976 |
stop_global_timer(); |
stop_global_timer(); |
1977 |
|
|
1978 |
return BitstreamPos(&bs) / 8; /* number of bytes consumed */ |
return XVID_ERR_OK; |
1979 |
} |
} |