Remove AIW support code, it is unfit for ffmpeg svn, doing usleep() and

colorspace convertion and deinterlacing in the demuxer. Whoever wants
AIW support has to implement this cleanly!

Originally committed as revision 11335 to svn://svn.ffmpeg.org/ffmpeg/trunk

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;
-}