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