diff options
| -rw-r--r-- | libavdevice/v4l.c | 500 |
1 files changed, 1 insertions, 499 deletions
diff --git a/libavdevice/v4l.c b/libavdevice/v4l.c index 8005378559..d9dc635eed 100644 --- a/libavdevice/v4l.c +++ b/libavdevice/v4l.c @@ -44,14 +44,6 @@ typedef struct { struct video_mbuf gb_buffers; struct video_mmap gb_buf; int gb_frame; - - /* ATI All In Wonder specific stuff */ - /* XXX: remove and merge in libavcodec/imgconvert.c */ - int aiw_enabled; - int deint; - int halfw; - uint8_t *src_mem; - uint8_t *lum_m4_mem; } VideoData; struct { @@ -70,10 +62,6 @@ struct { }; -static int aiw_init(VideoData *s); -static int aiw_read_picture(VideoData *s, uint8_t *data); -static int aiw_close(VideoData *s); - static int grab_read_header(AVFormatContext *s1, AVFormatParameters *ap) { VideoData *s = s1->priv_data; @@ -206,16 +194,6 @@ static int grab_read_header(AVFormatContext *s1, AVFormatParameters *ap) s->time_frame = av_gettime() * s->frame_rate / s->frame_rate_base; s->use_mmap = 0; - - /* ATI All In Wonder automatic activation */ - if (!strcmp(s->video_cap.name, "Km")) { - if (aiw_init(s) < 0) - goto fail; - s->aiw_enabled = 1; - /* force 420P format because conversion from YUV422 to YUV420P - is done in this driver (ugly) */ - s->frame_format = VIDEO_PALETTE_YUV420P; - } } else { s->video_buf = mmap(0,s->gb_buffers.size,PROT_READ|PROT_WRITE,MAP_SHARED,video_fd,0); if ((unsigned char*)-1 == s->video_buf) { @@ -339,9 +317,7 @@ static int grab_read_packet(AVFormatContext *s1, AVPacket *pkt) pkt->pts = curtime; /* read one frame */ - if (s->aiw_enabled) { - return aiw_read_picture(s, pkt->data); - } else if (s->use_mmap) { + if (s->use_mmap) { return v4l_mm_read_picture(s, pkt->data); } else { if (read(s->fd, pkt->data, pkt->size) != pkt->size) @@ -354,9 +330,6 @@ static int grab_read_close(AVFormatContext *s1) { VideoData *s = s1->priv_data; - if (s->aiw_enabled) - aiw_close(s); - if (s->use_mmap) munmap(s->video_buf, s->gb_buffers.size); @@ -379,474 +352,3 @@ AVInputFormat v4l_demuxer = { grab_read_close, .flags = AVFMT_NOFILE, }; - -/* All in Wonder specific stuff */ -/* XXX: remove and merge in libavcodec/imgconvert.c */ - -static int aiw_init(VideoData *s) -{ - int width, height; - - width = s->width; - height = s->height; - - if ((width == s->video_cap.maxwidth && height == s->video_cap.maxheight) || - (width == s->video_cap.maxwidth && height == s->video_cap.maxheight*2) || - (width == s->video_cap.maxwidth/2 && height == s->video_cap.maxheight)) { - - s->deint=0; - s->halfw=0; - if (height == s->video_cap.maxheight*2) s->deint=1; - if (width == s->video_cap.maxwidth/2) s->halfw=1; - } else { - av_log(NULL, AV_LOG_ERROR, "\nIncorrect Grab Size Supplied - Supported Sizes Are:\n"); - av_log(NULL, AV_LOG_ERROR, " %dx%d %dx%d %dx%d\n\n", - s->video_cap.maxwidth,s->video_cap.maxheight, - s->video_cap.maxwidth,s->video_cap.maxheight*2, - s->video_cap.maxwidth/2,s->video_cap.maxheight); - goto fail; - } - - if (s->halfw == 0) { - s->src_mem = av_malloc(s->width*2); - } else { - s->src_mem = av_malloc(s->width*4); - } - if (!s->src_mem) goto fail; - - s->lum_m4_mem = av_malloc(s->width); - if (!s->lum_m4_mem) - goto fail; - return 0; - fail: - av_freep(&s->src_mem); - av_freep(&s->lum_m4_mem); - return -1; -} - -#ifdef HAVE_MMX -#include "i386/mmx.h" - -#define LINE_WITH_UV \ - movq_m2r(ptr[0],mm0); \ - movq_m2r(ptr[8],mm1); \ - movq_r2r(mm0, mm4); \ - punpcklbw_r2r(mm1,mm0); \ - punpckhbw_r2r(mm1,mm4); \ - movq_r2r(mm0,mm5); \ - punpcklbw_r2r(mm4,mm0); \ - punpckhbw_r2r(mm4,mm5); \ - movq_r2r(mm0,mm1); \ - punpcklbw_r2r(mm5,mm1); \ - movq_r2m(mm1,lum[0]); \ - movq_m2r(ptr[16],mm2); \ - movq_m2r(ptr[24],mm1); \ - movq_r2r(mm2,mm4); \ - punpcklbw_r2r(mm1,mm2); \ - punpckhbw_r2r(mm1,mm4); \ - movq_r2r(mm2,mm3); \ - punpcklbw_r2r(mm4,mm2); \ - punpckhbw_r2r(mm4,mm3); \ - movq_r2r(mm2,mm1); \ - punpcklbw_r2r(mm3,mm1); \ - movq_r2m(mm1,lum[8]); \ - punpckhdq_r2r(mm2,mm0); \ - punpckhdq_r2r(mm3,mm5); \ - movq_r2m(mm0,cb[0]); \ - movq_r2m(mm5,cr[0]); - -#define LINE_NO_UV \ - movq_m2r(ptr[0],mm0);\ - movq_m2r(ptr[8],mm1);\ - movq_r2r(mm0, mm4);\ - punpcklbw_r2r(mm1,mm0); \ - punpckhbw_r2r(mm1,mm4);\ - movq_r2r(mm0,mm5);\ - punpcklbw_r2r(mm4,mm0);\ - punpckhbw_r2r(mm4,mm5);\ - movq_r2r(mm0,mm1);\ - punpcklbw_r2r(mm5,mm1);\ - movq_r2m(mm1,lum[0]);\ - movq_m2r(ptr[16],mm2);\ - movq_m2r(ptr[24],mm1);\ - movq_r2r(mm2,mm4);\ - punpcklbw_r2r(mm1,mm2);\ - punpckhbw_r2r(mm1,mm4);\ - movq_r2r(mm2,mm3);\ - punpcklbw_r2r(mm4,mm2);\ - punpckhbw_r2r(mm4,mm3);\ - movq_r2r(mm2,mm1);\ - punpcklbw_r2r(mm3,mm1);\ - movq_r2m(mm1,lum[8]); - -#define LINE_WITHUV_AVG \ - movq_m2r(ptr[0], mm0);\ - movq_m2r(ptr[8], mm1);\ - movq_r2r(mm0, mm4);\ - punpcklbw_r2r(mm1,mm0);\ - punpckhbw_r2r(mm1,mm4);\ - movq_r2r(mm0,mm5);\ - punpcklbw_r2r(mm4,mm0);\ - punpckhbw_r2r(mm4,mm5);\ - movq_r2r(mm0,mm1);\ - movq_r2r(mm5,mm2);\ - punpcklbw_r2r(mm7,mm1);\ - punpcklbw_r2r(mm7,mm2);\ - paddw_r2r(mm6,mm1);\ - paddw_r2r(mm2,mm1);\ - psraw_i2r(1,mm1);\ - packuswb_r2r(mm7,mm1);\ - movd_r2m(mm1,lum[0]);\ - movq_m2r(ptr[16],mm2);\ - movq_m2r(ptr[24],mm1);\ - movq_r2r(mm2,mm4);\ - punpcklbw_r2r(mm1,mm2);\ - punpckhbw_r2r(mm1,mm4);\ - movq_r2r(mm2,mm3);\ - punpcklbw_r2r(mm4,mm2);\ - punpckhbw_r2r(mm4,mm3);\ - movq_r2r(mm2,mm1);\ - movq_r2r(mm3,mm4);\ - punpcklbw_r2r(mm7,mm1);\ - punpcklbw_r2r(mm7,mm4);\ - paddw_r2r(mm6,mm1);\ - paddw_r2r(mm4,mm1);\ - psraw_i2r(1,mm1);\ - packuswb_r2r(mm7,mm1);\ - movd_r2m(mm1,lum[4]);\ - punpckhbw_r2r(mm7,mm0);\ - punpckhbw_r2r(mm7,mm2);\ - paddw_r2r(mm6,mm0);\ - paddw_r2r(mm2,mm0);\ - psraw_i2r(1,mm0);\ - packuswb_r2r(mm7,mm0);\ - punpckhbw_r2r(mm7,mm5);\ - punpckhbw_r2r(mm7,mm3);\ - paddw_r2r(mm6,mm5);\ - paddw_r2r(mm3,mm5);\ - psraw_i2r(1,mm5);\ - packuswb_r2r(mm7,mm5);\ - movd_r2m(mm0,cb[0]);\ - movd_r2m(mm5,cr[0]); - -#define LINE_NOUV_AVG \ - movq_m2r(ptr[0],mm0);\ - movq_m2r(ptr[8],mm1);\ - pand_r2r(mm5,mm0);\ - pand_r2r(mm5,mm1);\ - pmaddwd_r2r(mm6,mm0);\ - pmaddwd_r2r(mm6,mm1);\ - packssdw_r2r(mm1,mm0);\ - paddw_r2r(mm6,mm0);\ - psraw_i2r(1,mm0);\ - movq_m2r(ptr[16],mm2);\ - movq_m2r(ptr[24],mm3);\ - pand_r2r(mm5,mm2);\ - pand_r2r(mm5,mm3);\ - pmaddwd_r2r(mm6,mm2);\ - pmaddwd_r2r(mm6,mm3);\ - packssdw_r2r(mm3,mm2);\ - paddw_r2r(mm6,mm2);\ - psraw_i2r(1,mm2);\ - packuswb_r2r(mm2,mm0);\ - movq_r2m(mm0,lum[0]); - -#define DEINT_LINE_LUM(ptroff) \ - movd_m2r(lum_m4[(ptroff)],mm0);\ - movd_m2r(lum_m3[(ptroff)],mm1);\ - movd_m2r(lum_m2[(ptroff)],mm2);\ - movd_m2r(lum_m1[(ptroff)],mm3);\ - movd_m2r(lum[(ptroff)],mm4);\ - punpcklbw_r2r(mm7,mm0);\ - movd_r2m(mm2,lum_m4[(ptroff)]);\ - punpcklbw_r2r(mm7,mm1);\ - punpcklbw_r2r(mm7,mm2);\ - punpcklbw_r2r(mm7,mm3);\ - punpcklbw_r2r(mm7,mm4);\ - psllw_i2r(2,mm1);\ - psllw_i2r(1,mm2);\ - paddw_r2r(mm6,mm1);\ - psllw_i2r(2,mm3);\ - paddw_r2r(mm2,mm1);\ - paddw_r2r(mm4,mm0);\ - paddw_r2r(mm3,mm1);\ - psubusw_r2r(mm0,mm1);\ - psrlw_i2r(3,mm1);\ - packuswb_r2r(mm7,mm1);\ - movd_r2m(mm1,lum_m2[(ptroff)]); - -#else -#include "dsputil.h" - -#define LINE_WITH_UV \ - lum[0]=ptr[0];lum[1]=ptr[2];lum[2]=ptr[4];lum[3]=ptr[6];\ - cb[0]=ptr[1];cb[1]=ptr[5];\ - cr[0]=ptr[3];cr[1]=ptr[7];\ - lum[4]=ptr[8];lum[5]=ptr[10];lum[6]=ptr[12];lum[7]=ptr[14];\ - cb[2]=ptr[9];cb[3]=ptr[13];\ - cr[2]=ptr[11];cr[3]=ptr[15];\ - lum[8]=ptr[16];lum[9]=ptr[18];lum[10]=ptr[20];lum[11]=ptr[22];\ - cb[4]=ptr[17];cb[5]=ptr[21];\ - cr[4]=ptr[19];cr[5]=ptr[23];\ - lum[12]=ptr[24];lum[13]=ptr[26];lum[14]=ptr[28];lum[15]=ptr[30];\ - cb[6]=ptr[25];cb[7]=ptr[29];\ - cr[6]=ptr[27];cr[7]=ptr[31]; - -#define LINE_NO_UV \ - lum[0]=ptr[0];lum[1]=ptr[2];lum[2]=ptr[4];lum[3]=ptr[6];\ - lum[4]=ptr[8];lum[5]=ptr[10];lum[6]=ptr[12];lum[7]=ptr[14];\ - lum[8]=ptr[16];lum[9]=ptr[18];lum[10]=ptr[20];lum[11]=ptr[22];\ - lum[12]=ptr[24];lum[13]=ptr[26];lum[14]=ptr[28];lum[15]=ptr[30]; - -#define LINE_WITHUV_AVG \ - sum=(ptr[0]+ptr[2]+1) >> 1;lum[0]=sum; \ - sum=(ptr[4]+ptr[6]+1) >> 1;lum[1]=sum; \ - sum=(ptr[1]+ptr[5]+1) >> 1;cb[0]=sum; \ - sum=(ptr[3]+ptr[7]+1) >> 1;cr[0]=sum; \ - sum=(ptr[8]+ptr[10]+1) >> 1;lum[2]=sum; \ - sum=(ptr[12]+ptr[14]+1) >> 1;lum[3]=sum; \ - sum=(ptr[9]+ptr[13]+1) >> 1;cb[1]=sum; \ - sum=(ptr[11]+ptr[15]+1) >> 1;cr[1]=sum; \ - sum=(ptr[16]+ptr[18]+1) >> 1;lum[4]=sum; \ - sum=(ptr[20]+ptr[22]+1) >> 1;lum[5]=sum; \ - sum=(ptr[17]+ptr[21]+1) >> 1;cb[2]=sum; \ - sum=(ptr[19]+ptr[23]+1) >> 1;cr[2]=sum; \ - sum=(ptr[24]+ptr[26]+1) >> 1;lum[6]=sum; \ - sum=(ptr[28]+ptr[30]+1) >> 1;lum[7]=sum; \ - sum=(ptr[25]+ptr[29]+1) >> 1;cb[3]=sum; \ - sum=(ptr[27]+ptr[31]+1) >> 1;cr[3]=sum; - -#define LINE_NOUV_AVG \ - sum=(ptr[0]+ptr[2]+1) >> 1;lum[0]=sum; \ - sum=(ptr[4]+ptr[6]+1) >> 1;lum[1]=sum; \ - sum=(ptr[8]+ptr[10]+1) >> 1;lum[2]=sum; \ - sum=(ptr[12]+ptr[14]+1) >> 1;lum[3]=sum; \ - sum=(ptr[16]+ptr[18]+1) >> 1;lum[4]=sum; \ - sum=(ptr[20]+ptr[22]+1) >> 1;lum[5]=sum; \ - sum=(ptr[24]+ptr[26]+1) >> 1;lum[6]=sum; \ - sum=(ptr[28]+ptr[30]+1) >> 1;lum[7]=sum; - -#define DEINT_LINE_LUM(ptroff) \ - sum=(-lum_m4[(ptroff)]+(lum_m3[(ptroff)]<<2)+(lum_m2[(ptroff)]<<1)+(lum_m1[(ptroff)]<<2)-lum[(ptroff)]); \ - lum_m4[(ptroff)]=lum_m2[(ptroff)];\ - lum_m2[(ptroff)]=cm[(sum+4)>>3];\ - sum=(-lum_m4[(ptroff)+1]+(lum_m3[(ptroff)+1]<<2)+(lum_m2[(ptroff)+1]<<1)+(lum_m1[(ptroff)+1]<<2)-lum[(ptroff)+1]); \ - lum_m4[(ptroff)+1]=lum_m2[(ptroff)+1];\ - lum_m2[(ptroff)+1]=cm[(sum+4)>>3];\ - sum=(-lum_m4[(ptroff)+2]+(lum_m3[(ptroff)+2]<<2)+(lum_m2[(ptroff)+2]<<1)+(lum_m1[(ptroff)+2]<<2)-lum[(ptroff)+2]); \ - lum_m4[(ptroff)+2]=lum_m2[(ptroff)+2];\ - lum_m2[(ptroff)+2]=cm[(sum+4)>>3];\ - sum=(-lum_m4[(ptroff)+3]+(lum_m3[(ptroff)+3]<<2)+(lum_m2[(ptroff)+3]<<1)+(lum_m1[(ptroff)+3]<<2)-lum[(ptroff)+3]); \ - lum_m4[(ptroff)+3]=lum_m2[(ptroff)+3];\ - lum_m2[(ptroff)+3]=cm[(sum+4)>>3]; - -#endif - - -/* Read two fields separately. */ -static int aiw_read_picture(VideoData *s, uint8_t *data) -{ - uint8_t *ptr, *lum, *cb, *cr; - int h; -#ifndef HAVE_MMX - int sum; -#endif - uint8_t* src = s->src_mem; - uint8_t *ptrend = &src[s->width*2]; - lum=data; - cb=&lum[s->width*s->height]; - cr=&cb[(s->width*s->height)/4]; - if (s->deint == 0 && s->halfw == 0) { - while (read(s->fd,src,s->width*2) < 0) { - usleep(100); - } - for (h = 0; h < s->height-2; h+=2) { - for (ptr = &src[0]; ptr < ptrend; ptr+=32, lum+=16, cb+=8, cr+=8) { - LINE_WITH_UV - } - read(s->fd,src,s->width*2); - for (ptr = &src[0]; ptr < ptrend; ptr+=32, lum+=16) { - LINE_NO_UV - } - read(s->fd,src,s->width*2); - } - /* - * Do last two lines - */ - for (ptr = &src[0]; ptr < ptrend; ptr+=32, lum+=16, cb+=8, cr+=8) { - LINE_WITH_UV - } - read(s->fd,src,s->width*2); - for (ptr = &src[0]; ptr < ptrend; ptr+=32, lum+=16) { - LINE_NO_UV - } - /* drop second field */ - while (read(s->fd,src,s->width*2) < 0) { - usleep(100); - } - for (h = 0; h < s->height - 1; h++) { - read(s->fd,src,s->width*2); - } - } else if (s->halfw == 1) { -#ifdef HAVE_MMX - mmx_t rounder; - mmx_t masker; - rounder.uw[0]=1; - rounder.uw[1]=1; - rounder.uw[2]=1; - rounder.uw[3]=1; - masker.ub[0]=0xff; - masker.ub[1]=0; - masker.ub[2]=0xff; - masker.ub[3]=0; - masker.ub[4]=0xff; - masker.ub[5]=0; - masker.ub[6]=0xff; - masker.ub[7]=0; - pxor_r2r(mm7,mm7); - movq_m2r(rounder,mm6); -#endif - while (read(s->fd,src,s->width*4) < 0) { - usleep(100); - } - ptrend = &src[s->width*4]; - for (h = 0; h < s->height-2; h+=2) { - for (ptr = &src[0]; ptr < ptrend; ptr+=32, lum+=8, cb+=4, cr+=4) { - LINE_WITHUV_AVG - } - read(s->fd,src,s->width*4); -#ifdef HAVE_MMX - movq_m2r(masker,mm5); -#endif - for (ptr = &src[0]; ptr < ptrend; ptr+=32, lum+=8) { - LINE_NOUV_AVG - } - read(s->fd,src,s->width*4); - } - /* - * Do last two lines - */ - for (ptr = &src[0]; ptr < ptrend; ptr+=32, lum+=8, cb+=4, cr+=4) { - LINE_WITHUV_AVG - } - read(s->fd,src,s->width*4); -#ifdef HAVE_MMX - movq_m2r(masker,mm5); -#endif - for (ptr = &src[0]; ptr < ptrend; ptr+=32, lum+=8) { - LINE_NOUV_AVG - } - /* drop second field */ - while (read(s->fd,src,s->width*4) < 0) { - usleep(100); - } - for (h = 0; h < s->height - 1; h++) { - read(s->fd,src,s->width*4); - } - } else { - uint8_t *lum_m1, *lum_m2, *lum_m3, *lum_m4; -#ifdef HAVE_MMX - mmx_t rounder; - rounder.uw[0]=4; - rounder.uw[1]=4; - rounder.uw[2]=4; - rounder.uw[3]=4; - movq_m2r(rounder,mm6); - pxor_r2r(mm7,mm7); -#else - uint8_t *cm = ff_cropTbl + MAX_NEG_CROP; -#endif - - /* read two fields and deinterlace them */ - while (read(s->fd,src,s->width*2) < 0) { - usleep(100); - } - for (h = 0; h < (s->height/2)-2; h+=2) { - for (ptr = &src[0]; ptr < ptrend; ptr+=32, lum+=16, cb+=8, cr+=8) { - LINE_WITH_UV - } - read(s->fd,src,s->width*2); - /* skip a luminance line - will be filled in later */ - lum += s->width; - for (ptr = &src[0]; ptr < ptrend; ptr+=32, lum+=16, cb+=8, cr+=8) { - LINE_WITH_UV - } - /* skip a luminance line - will be filled in later */ - lum += s->width; - read(s->fd,src,s->width*2); - } - /* - * Do last two lines - */ - for (ptr = &src[0]; ptr < ptrend; ptr+=32, lum+=16, cb+=8, cr+=8) { - LINE_WITH_UV - } - /* skip a luminance line - will be filled in later */ - lum += s->width; - read(s->fd,src,s->width*2); - for (ptr = &src[0]; ptr < ptrend; ptr+=32, lum+=16, cb+=8, cr+=8) { - LINE_WITH_UV - } - /* - * - * SECOND FIELD - * - */ - lum=&data[s->width]; - while (read(s->fd,src,s->width*2) < 0) { - usleep(10); - } - /* First (and last) two lines not interlaced */ - for (h = 0; h < 2; h++) { - for (ptr = &src[0]; ptr < ptrend; ptr+=32, lum+=16) { - LINE_NO_UV - } - read(s->fd,src,s->width*2); - /* skip a luminance line */ - lum += s->width; - } - lum_m1=&lum[-s->width]; - lum_m2=&lum_m1[-s->width]; - lum_m3=&lum_m2[-s->width]; - memmove(s->lum_m4_mem,&lum_m3[-s->width],s->width); - for (; h < (s->height/2)-1; h++) { - lum_m4=s->lum_m4_mem; - for (ptr = &src[0]; ptr < ptrend; ptr+=32, lum+=16,lum_m1+=16,lum_m2+=16,lum_m3+=16,lum_m4+=16) { - LINE_NO_UV - - DEINT_LINE_LUM(0) - DEINT_LINE_LUM(4) - DEINT_LINE_LUM(8) - DEINT_LINE_LUM(12) - } - read(s->fd,src,s->width*2); - /* skip a luminance line */ - lum += s->width; - lum_m1 += s->width; - lum_m2 += s->width; - lum_m3 += s->width; - // lum_m4 += s->width; - } - /* - * Do last line - */ - lum_m4=s->lum_m4_mem; - for (ptr = &src[0]; ptr < ptrend; ptr+=32, lum+=16, lum_m1+=16, lum_m2+=16, lum_m3+=16, lum_m4+=16) { - LINE_NO_UV - - DEINT_LINE_LUM(0) - DEINT_LINE_LUM(4) - DEINT_LINE_LUM(8) - DEINT_LINE_LUM(12) - } - } - emms_c(); - return s->frame_size; -} - -static int aiw_close(VideoData *s) -{ - av_freep(&s->lum_m4_mem); - av_freep(&s->src_mem); - return 0; -} |