#include?“ch264decoder.h“
#include?

CH264Decoder::CH264Decoder（）
{
????createYUVTab_16（）;
}

CH264Decoder::~CH264Decoder（）
{
????deleteYUVTab（）;
}

void?CH264Decoder::deleteYUVTab（）
{
????av_free（colortab）;
????av_free（rgb_2_pix）;
}

void?CH264Decoder::createYUVTab_16（）
{
????int?i;
????int?u?v;

????colortab?=?（int?*）av_malloc（4*256*sizeof（int））;
????u_b_tab?=?&colortab[0*256];
????u_g_tab?=?&colortab[1*256];
????v_g_tab?=?&colortab[2*256];
????v_r_tab?=?&colortab[3*256];

????for?（i=0;?i<256;?i++）
????{
????????u?=?v?=?（i-128）;

????????u_b_tab[i]?=?（int）?（?1.772?*?u）;
????????u_g_tab[i]?=?（int）?（?0.34414?*?u）;
????????v_g_tab[i]?=?（int）?（?0.71414?*?v）;
????????v_r_tab[i]?=?（int）?（?1.402?*?v）;
????}

????rgb_2_pix?=?（unsigned?int?*）av_malloc（3*768*sizeof（unsigned?int））;

????r_2_pix?=?&rgb_2_pix[0*768];
????g_2_pix?=?&rgb_2_pix[1*768];
????b_2_pix?=?&rgb_2_pix[2*768];

????for（i=0;?i<256;?i++）
????{
????????r_2_pix[i]?=?0;
????????g_2_pix[i]?=?0;
????????b_2_pix[i]?=?0;
????}

????for（i=0;?i<256;?i++）
????{
????????r_2_pix[i+256]?=?（i?&?0xF8）?<????????g_2_pix[i+256]?=?（i?&?0xFC）?<????????b_2_pix[i+256]?=?（i?）?>>?3;
????}

????for（i=0;?i<256;?i++）
????{
????????r_2_pix[i+512]?=?0xF8?<????????g_2_pix[i+512]?=?0xFC?<????????b_2_pix[i+512]?=?0x1F;
????}

????r_2_pix?+=?256;
????g_2_pix?+=?256;
????b_2_pix?+=?256;
}

void?CH264Decoder::displayYUV_16（unsigned?int?*pdst?unsigned?char?*y?unsigned?char?*u?unsigned?char?*v?int?width?int?height?int?src_ystride?int?src_uvstride?int?dst_ystride）
{
????int?i?j;
????int?r?g?b?rgb;

????int?yy?ub?ug?vg?vr;

????unsigned?char*?yoff;
????unsigned?char*?uoff;
????unsigned?char*?voff;

????int?width2?=?width/2;
????int?height2?=?height/2;

????for（j=0;?j????{
????????yoff?=?y?+?j?*?2?*?src_ystride;
????????uoff?=?u?+?j?*?src_uvstride;
????????voff?=?v?+?j?*?src_uvstride;

????????for（i=0;?i????????{
????????????yy??=?*（yoff+（i<<1））;
????????????ub?=?u_b_tab[*（uoff+i）];
????????????ug?=?u_g_tab[*（uoff+i）];
????????????vg?=?v_g_tab[*（voff+i）];
????????????vr?=?v_r_tab[*（voff+i）];

????????????b?=?yy?+?ub;
????????????g?=?yy?-?ug?-?vg;
????????????r?=?yy?+?vr;

????????????rgb?=?r_2_pix[r]?+?g_2_pix[g]?+?b_2_pix[b];

????????????yy?=?*（yoff+（i<<1）+1）;
????????????b?=?yy?+?ub;
????????????g?=?yy?-?ug?-?vg;
????????????r?=?yy?+?vr;

????????????pdst[（j*dst_ystride+i）]?=?（rgb）+（（r_2_pix[r]?+?g_2_pix[g]?+?b_2_pix[b]）<<16）;

????????????yy?=?*（yoff+（i<<1）+src_ystride）;
????????????b?=?yy?+?ub;
????????????g?=?yy?-?ug?-?vg;
????????????r?=?yy?+?vr;

????????????rgb?=?r_2_pix[r]?+?g_2_pix[g]?+?b_2_pix[b];

????????????yy?=?*（yoff+（i<<1）+src_ystride+1）;
????????????b?=?yy?+?ub;
????????????g?=?yy?-?ug?-?vg;
????????????r?=?yy?+?vr;

????????????pdst?[（（2*j+1）*dst_ystride+i*2）>>1]?=?（rgb）+（（r_2_pix[r]?+?g_2_pix[g]?+?b_2_pix[b]）<<

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件???????4754??2016-07-19?10:35??H264PlaybaseFFmpeg\ch264decoder.cpp

?????文件???????2770??2016-07-19?09:58??H264PlaybaseFFmpeg\ch264decoder.h

?????文件???11217934??2016-01-16?16:49??H264PlaybaseFFmpeg\debug\avcodec-57.dll

?????文件?????141326??2016-01-16?16:49??H264PlaybaseFFmpeg\debug\avdevice-57.dll

?????文件????1313294??2016-01-16?16:49??H264PlaybaseFFmpeg\debug\avfilter-6.dll

?????文件????2294798??2016-01-16?16:49??H264PlaybaseFFmpeg\debug\avformat-57.dll

?????文件?????519694??2016-01-16?16:49??H264PlaybaseFFmpeg\debug\avutil-55.dll

?????文件??????95246??2016-01-16?16:49??H264PlaybaseFFmpeg\debug\swresample-2.dll

?????文件?????491022??2016-01-16?16:49??H264PlaybaseFFmpeg\debug\swscale-4.dll

?????文件?????176961??2016-01-16?16:49??H264PlaybaseFFmpeg\include\libavcodec\avcodec.h

?????文件???????2570??2016-01-16?16:49??H264PlaybaseFFmpeg\include\libavcodec\avdct.h

?????文件???????3111??2016-01-16?16:49??H264PlaybaseFFmpeg\include\libavcodec\avfft.h

?????文件???????2853??2016-01-16?16:49??H264PlaybaseFFmpeg\include\libavcodec\d3d11va.h

?????文件???????3337??2016-01-16?16:49??H264PlaybaseFFmpeg\include\libavcodec\dirac.h

?????文件???????3715??2016-01-16?16:49??H264PlaybaseFFmpeg\include\libavcodec\dv_profile.h

?????文件???????2358??2016-01-16?16:49??H264PlaybaseFFmpeg\include\libavcodec\dxva2.h

?????文件???????3763??2016-01-16?16:49??H264PlaybaseFFmpeg\include\libavcodec\qsv.h

?????文件???????4394??2016-01-16?16:49??H264PlaybaseFFmpeg\include\libavcodec\vaapi.h

?????文件???????5928??2016-01-16?16:49??H264PlaybaseFFmpeg\include\libavcodec\vda.h

?????文件???????7893??2016-01-16?16:49??H264PlaybaseFFmpeg\include\libavcodec\vdpau.h

?????文件???????7168??2016-01-16?16:49??H264PlaybaseFFmpeg\include\libavcodec\version.h

?????文件???????3913??2016-01-16?16:49??H264PlaybaseFFmpeg\include\libavcodec\videotoolbox.h

?????文件???????2356??2016-01-16?16:49??H264PlaybaseFFmpeg\include\libavcodec\vorbis_parser.h

?????文件???????6062??2016-01-16?16:49??H264PlaybaseFFmpeg\include\libavcodec\xvmc.h

?????文件??????17933??2016-01-16?16:49??H264PlaybaseFFmpeg\include\libavdevice\avdevice.h

?????文件???????1861??2016-01-16?16:49??H264PlaybaseFFmpeg\include\libavdevice\version.h

?????文件??????40356??2016-01-16?16:49??H264PlaybaseFFmpeg\include\libavfilter\avfilter.h

?????文件????????975??2016-01-16?16:49??H264PlaybaseFFmpeg\include\libavfilter\avfiltergraph.h

?????文件???????5322??2016-01-16?16:49??H264PlaybaseFFmpeg\include\libavfilter\buffersink.h

?????文件???????3875??2016-01-16?16:49??H264PlaybaseFFmpeg\include\libavfilter\buffersrc.h

............此處省略110個文件信息