- Fix for issue in deinterlace.c where it would not compile. Also reduces final executable size by 2.5MB

git-svn-id: svn://svn.handbrake.fr/HandBrake/trunk@757 b64f7644-9d1e-0410-96f1-a4d463321fa5

1 files changed, 595 insertions, 595 deletions

diff --git a/libhb/deinterlace.c b/libhb/deinterlace.c
index 754ed284d..fd842064f 100644
--- a/libhb/deinterlace.c
+++ b/libhb/deinterlace.c
@@ -1,595 +1,595 @@
-/*
- Copyright (C) 2006 Michael Niedermayer <[email protected]>
- 
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
- 
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- GNU General Public License for more details.
- 
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
-*/
-
-#include "hb.h"
-#include "ffmpeg/avcodec.h"
-#include "mpeg2dec/mpeg2.h"
-
-#define SUPPRESS_AV_LOG
-
-#define YADIF_MODE_DEFAULT     -1
-#define YADIF_PARITY_DEFAULT   -1
-
-#define MCDEINT_MODE_DEFAULT   -1
-#define MCDEINT_QP_DEFAULT      1
-
-#define ABS(a) ((a) > 0 ? (a) : (-(a)))
-#define MIN3(a,b,c) MIN(MIN(a,b),c)
-#define MAX3(a,b,c) MAX(MAX(a,b),c)
-
-struct hb_filter_private_s 
-{
-    int              pix_fmt;
-    int              width[3];
-    int              height[3];
-
-    int              yadif_mode;
-    int              yadif_parity;
-    int              yadif_ready;
-    
-    uint8_t        * yadif_ref[4][3];        
-    int              yadif_ref_stride[3];
-    
-    int              mcdeint_mode;
-    int              mcdeint_qp;
-    
-    int              mcdeint_outbuf_size;
-    uint8_t        * mcdeint_outbuf;
-    AVCodecContext * mcdeint_avctx_enc;
-    AVFrame        * mcdeint_frame;
-    AVFrame        * mcdeint_frame_dec;
-    
-    AVPicture        pic_in;
-    AVPicture        pic_out;            
-    hb_buffer_t *    buf_out[2];
-    hb_buffer_t *    buf_settings;
-};
-
-hb_filter_private_t * hb_deinterlace_init( int pix_fmt, 
-                                           int width, 
-                                           int height,
-                                           char * settings );
-
-int hb_deinterlace_work( const hb_buffer_t * buf_in,
-                         hb_buffer_t ** buf_out,
-                         int pix_fmt,
-                         int width, 
-                         int height,
-                         hb_filter_private_t * pv );
-
-void hb_deinterlace_close( hb_filter_private_t * pv );
-
-hb_filter_object_t hb_filter_deinterlace =
-{   
-    FILTER_DEINTERLACE,
-    "Deinterlace (yadif/mcdeint)",
-    NULL,
-    hb_deinterlace_init,
-    hb_deinterlace_work,
-    hb_deinterlace_close,
-};
-
-static void yadif_store_ref( const uint8_t ** pic, 
-                             hb_filter_private_t * pv )
-{
-    memcpy( pv->yadif_ref[3], 
-            pv->yadif_ref[0], 
-            sizeof(uint8_t *)*3 );
-    
-    memmove( pv->yadif_ref[0], 
-             pv->yadif_ref[1], 
-             sizeof(uint8_t *)*3*3 );    
-    
-    int i;
-    for( i = 0; i < 3; i++ )
-    {
-        const uint8_t * src = pic[i];
-        uint8_t * ref = pv->yadif_ref[2][i];
-        
-        int w = pv->width[i];
-        int h = pv->height[i];
-        int ref_stride = pv->yadif_ref_stride[i];
-        
-        int y;
-        for( y = 0; y < pv->height[i]; y++ )
-        {
-            memcpy(ref, src, w);
-            src = (uint8_t*)src + w;
-            ref = (uint8_t*)ref + ref_stride;
-        }
-    }
-}
-
-static void yadif_filter_line( uint8_t *dst,
-                               uint8_t *prev,
-                               uint8_t *cur, 
-                               uint8_t *next,
-                               int plane,
-                               int parity,
-                               hb_filter_private_t * pv )
-{
-    uint8_t *prev2 = parity ? prev : cur ;
-    uint8_t *next2 = parity ? cur  : next;
-    
-    int w = pv->width[plane];
-    int refs = pv->yadif_ref_stride[plane];
-    
-    int x;
-    for( x = 0; x < w; x++)
-    {
-        int c              = cur[-refs];
-        int d              = (prev2[0] + next2[0])>>1;
-        int e              = cur[+refs];
-        int temporal_diff0 = ABS(prev2[0] - next2[0]);
-        int temporal_diff1 = ( ABS(prev[-refs] - c) + ABS(prev[+refs] - e) ) >> 1;
-        int temporal_diff2 = ( ABS(next[-refs] - c) + ABS(next[+refs] - e) ) >> 1;
-        int diff           = MAX3(temporal_diff0>>1, temporal_diff1, temporal_diff2);
-        int spatial_pred   = (c+e)>>1;
-        int spatial_score  = ABS(cur[-refs-1] - cur[+refs-1]) + ABS(c-e) +
-                             ABS(cur[-refs+1] - cur[+refs+1]) - 1;
-
-#define YADIF_CHECK(j)\
-        {   int score = ABS(cur[-refs-1+j] - cur[+refs-1-j])\
-                      + ABS(cur[-refs  +j] - cur[+refs  -j])\
-                      + ABS(cur[-refs+1+j] - cur[+refs+1-j]);\
-            if( score < spatial_score ){\
-                spatial_score = score;\
-                spatial_pred  = (cur[-refs  +j] + cur[+refs  -j])>>1;\
-                            
-        YADIF_CHECK(-1) YADIF_CHECK(-2) }} }}
-        YADIF_CHECK( 1) YADIF_CHECK( 2) }} }}
-
-        if( pv->yadif_mode < 2 )
-        {
-            int b = (prev2[-2*refs] + next2[-2*refs])>>1;
-            int f = (prev2[+2*refs] + next2[+2*refs])>>1;
-            
-            int max = MAX3(d-e, d-c, MIN(b-c, f-e));
-            int min = MIN3(d-e, d-c, MAX(b-c, f-e));
-
-            diff = MAX3( diff, min, -max );
-        }
-
-        if( spatial_pred > d + diff )
-        {
-            spatial_pred = d + diff;
-        }
-        else if( spatial_pred < d - diff )
-        {
-            spatial_pred = d - diff;
-        }
-
-        dst[0] = spatial_pred;
-
-        dst++;
-        cur++;
-        prev++;
-        next++;
-        prev2++;
-        next2++;
-    }
-}
-
-static void yadif_filter( uint8_t ** dst,
-                          int parity,
-                          int tff,
-                          hb_filter_private_t * pv )
-{
-    int i;
-    for( i = 0; i < 3; i++ )
-    {   
-        int w = pv->width[i];
-        int h = pv->height[i];
-        int ref_stride = pv->yadif_ref_stride[i];
-        
-        int y;
-        for( y = 0; y < h; y++ )
-        {
-            if( (y ^ parity) &  1 )
-            {
-                uint8_t *prev = &pv->yadif_ref[0][i][y*ref_stride];
-                uint8_t *cur  = &pv->yadif_ref[1][i][y*ref_stride];
-                uint8_t *next = &pv->yadif_ref[2][i][y*ref_stride];
-                uint8_t *dst2 = &dst[i][y*w];
-                
-                yadif_filter_line( dst2, prev, cur, next, i, parity ^ tff, pv );
-            }
-            else
-            {
-                memcpy( &dst[i][y*w], 
-                        &pv->yadif_ref[1][i][y*ref_stride], 
-                        w * sizeof(uint8_t) );
-            }
-        }
-    }
-}
-
-static void mcdeint_filter( uint8_t ** dst, 
-                            uint8_t ** src,
-                            int parity,
-                            hb_filter_private_t * pv )
-{
-    int x, y, i;
-    int out_size;    
-   
-#ifdef SUPPRESS_AV_LOG
-    /* TODO: temporarily change log level to suppress obnoxious debug output */
-    int loglevel = av_log_get_level();
-    av_log_set_level( AV_LOG_QUIET );
-#endif
-    
-    for( i=0; i<3; i++ )
-    {
-        pv->mcdeint_frame->data[i] = src[i];
-        pv->mcdeint_frame->linesize[i] = pv->width[i];
-    }    
-    pv->mcdeint_avctx_enc->me_cmp     = FF_CMP_SAD;
-    pv->mcdeint_avctx_enc->me_sub_cmp = FF_CMP_SAD;
-    pv->mcdeint_frame->quality        = pv->mcdeint_qp * FF_QP2LAMBDA;
-    
-    out_size = avcodec_encode_video( pv->mcdeint_avctx_enc, 
-                                     pv->mcdeint_outbuf, 
-                                     pv->mcdeint_outbuf_size, 
-                                     pv->mcdeint_frame );
-    
-    pv->mcdeint_frame_dec = pv->mcdeint_avctx_enc->coded_frame;
-    
-    for( i = 0; i < 3; i++ )
-    {
-        int w    = pv->width[i];
-        int h    = pv->height[i];
-        int fils = pv->mcdeint_frame_dec->linesize[i];
-        int srcs = pv->width[i];
-        
-        for( y = 0; y < h; y++ )
-        {
-            if( (y ^ parity) & 1 )
-            {
-                for( x = 0; x < w; x++ )
-                {
-                    if( (x-2)+(y-1)*w >= 0 && (x+2)+(y+1)*w < w*h )
-                    { 
-                        uint8_t * filp = 
-                            &pv->mcdeint_frame_dec->data[i][x + y*fils];
-                        uint8_t * srcp = &src[i][x + y*srcs];
-
-                        int diff0 = filp[-fils] - srcp[-srcs];
-                        int diff1 = filp[+fils] - srcp[+srcs];
-                        
-                        int spatial_score = 
-                              ABS(srcp[-srcs-1] - srcp[+srcs-1])
-                            + ABS(srcp[-srcs  ] - srcp[+srcs  ])
-                            + ABS(srcp[-srcs+1] - srcp[+srcs+1]) - 1;
-                        
-                        int temp = filp[0];
-                        
-#define MCDEINT_CHECK(j)\
-                        {   int score = ABS(srcp[-srcs-1+j] - srcp[+srcs-1-j])\
-                                      + ABS(srcp[-srcs  +j] - srcp[+srcs  -j])\
-                                      + ABS(srcp[-srcs+1+j] - srcp[+srcs+1-j]);\
-                            if( score < spatial_score ) {\
-                                spatial_score = score;\
-                                diff0 = filp[-fils+j] - srcp[-srcs+j];\
-                                diff1 = filp[+fils-j] - srcp[+srcs-j];
-                                        
-                        MCDEINT_CHECK(-1) MCDEINT_CHECK(-2) }} }}
-                        MCDEINT_CHECK( 1) MCDEINT_CHECK( 2) }} }}
-
-                        if(diff0 + diff1 > 0)
-                        {
-                            temp -= (diff0 + diff1 - 
-                                     ABS( ABS(diff0) - ABS(diff1) ) / 2) / 2;
-                        }
-                        else
-                        {
-                            temp -= (diff0 + diff1 + 
-                                     ABS( ABS(diff0) - ABS(diff1) ) / 2) / 2;
-                        }
-
-                        filp[0] = dst[i][x + y*w] = 
-                            temp > 255U ? ~(temp>>31) : temp;
-                    }
-                    else
-                    {
-                        dst[i][x + y*w] = 
-                            pv->mcdeint_frame_dec->data[i][x + y*fils];
-                    }
-                }
-            }
-        }
-
-        for( y = 0; y < h; y++ )
-        {
-            if( !((y ^ parity) & 1) )
-            {
-                for( x = 0; x < w; x++ )
-                {
-                    pv->mcdeint_frame_dec->data[i][x + y*fils] =
-                        dst[i][x + y*w]= src[i][x + y*srcs];
-                }
-            }
-        }
-    }
-
-#ifdef SUPPRESS_AV_LOG
-    /* TODO: restore previous log level */
-    av_log_set_level(loglevel);
-#endif
-}
-
-hb_filter_private_t * hb_deinterlace_init( int pix_fmt, 
-                                           int width, 
-                                           int height,
-                                           char * settings )
-{
-    if( pix_fmt != PIX_FMT_YUV420P )
-    {
-        return 0;
-    }
-    
-    hb_filter_private_t * pv = calloc( 1, sizeof(struct hb_filter_private_s) );
-    
-    pv->pix_fmt = pix_fmt;
-
-    pv->width[0]  = width;
-    pv->height[0] = height;    
-    pv->width[1]  = pv->width[2]  = width >> 1;
-    pv->height[1] = pv->height[2] = height >> 1;    
-    
-    int buf_size = 3 * width * height / 2;    
-    pv->buf_out[0] = hb_buffer_init( buf_size );
-    pv->buf_out[1] = hb_buffer_init( buf_size );
-    pv->buf_settings = hb_buffer_init( 0 );
-    
-    pv->yadif_ready    = 0;
-    pv->yadif_mode     = YADIF_MODE_DEFAULT;
-    pv->yadif_parity   = YADIF_PARITY_DEFAULT;    
-    
-    pv->mcdeint_mode   = MCDEINT_MODE_DEFAULT;
-    pv->mcdeint_qp     = MCDEINT_QP_DEFAULT;
-    
-    if( settings )
-    {
-        sscanf( settings, "%d:%d:%d:%d", 
-                &pv->yadif_mode, 
-                &pv->yadif_parity,
-                &pv->mcdeint_mode,
-                &pv->mcdeint_qp );
-    }
-    
-    /* Allocate yadif specific buffers */
-    if( pv->yadif_mode >= 0 )
-    {
-        int i, j;
-        for( i = 0; i < 3; i++ )
-        {   
-            int is_chroma = !!i;
-            int w = ((width   + 31) & (~31))>>is_chroma;
-            int h = ((height+6+ 31) & (~31))>>is_chroma;
-            
-            pv->yadif_ref_stride[i] = w;
-            
-            for( j = 0; j < 3; j++ )
-            {
-                pv->yadif_ref[j][i] = malloc( w*h*sizeof(uint8_t) ) + 3*w;
-            }        
-        }
-    }
-    
-    /* Allocate mcdeint specific buffers */
-    if( pv->mcdeint_mode >= 0 )
-    {
-        avcodec_init();
-        avcodec_register_all();
-        
-        AVCodec * enc = avcodec_find_encoder( CODEC_ID_SNOW );
-        
-        int i;
-        for (i = 0; i < 3; i++ )
-        {
-            AVCodecContext * avctx_enc;
-            
-            avctx_enc = pv->mcdeint_avctx_enc = avcodec_alloc_context();
-            
-            avctx_enc->width                    = width;
-            avctx_enc->height                   = height;
-            avctx_enc->time_base                = (AVRational){1,25};  // meaningless
-            avctx_enc->gop_size                 = 300;
-            avctx_enc->max_b_frames             = 0;
-            avctx_enc->pix_fmt                  = PIX_FMT_YUV420P;
-            avctx_enc->flags                    = CODEC_FLAG_QSCALE | CODEC_FLAG_LOW_DELAY;
-            avctx_enc->strict_std_compliance    = FF_COMPLIANCE_EXPERIMENTAL;
-            avctx_enc->global_quality           = 1;
-            avctx_enc->flags2                   = CODEC_FLAG2_MEMC_ONLY;
-            avctx_enc->me_cmp                   = FF_CMP_SAD; //SSE;
-            avctx_enc->me_sub_cmp               = FF_CMP_SAD; //SSE;
-            avctx_enc->mb_cmp                   = FF_CMP_SSE;
-            
-            switch( pv->mcdeint_mode )
-            {
-                case 3:
-                    avctx_enc->refs = 3;
-                case 2:
-                    avctx_enc->me_method = ME_ITER;
-                case 1:
-                    avctx_enc->flags |= CODEC_FLAG_4MV;
-                    avctx_enc->dia_size =2;
-                case 0:
-                    avctx_enc->flags |= CODEC_FLAG_QPEL;
-            }
-            
-            avcodec_open(avctx_enc, enc);        
-        }
-        
-        pv->mcdeint_frame       = avcodec_alloc_frame();
-        pv->mcdeint_outbuf_size = width * height * 10;
-        pv->mcdeint_outbuf      = malloc( pv->mcdeint_outbuf_size );
-    }
-
-    return pv;
-}
-
-void hb_deinterlace_close( hb_filter_private_t * pv )
-{
-    if( !pv ) 
-    {
-        return;
-    }
-    
-    /* Cleanup frame buffers */
-    if( pv->buf_out[0] )
-    {
-        hb_buffer_close( &pv->buf_out[0] );
-    }    
-    if( pv->buf_out[1] )
-    {
-        hb_buffer_close( &pv->buf_out[1] );
-    }
-    if (pv->buf_settings )
-    {
-        hb_buffer_close( &pv->buf_settings );
-    }
-
-    /* Cleanup yadif specific buffers */
-    if( pv->yadif_mode >= 0 )
-    {
-        int i;
-        for( i = 0; i<3*3; i++ )
-        {
-            uint8_t **p = &pv->yadif_ref[i%3][i/3];
-            if (*p) 
-            {
-                free( *p - 3*pv->yadif_ref_stride[i/3] );
-                *p = NULL;
-            }
-        }
-    }
-    
-    /* Cleanup mcdeint specific buffers */
-    if( pv->mcdeint_mode >= 0 )
-    {
-        if( pv->mcdeint_avctx_enc )
-        {
-            avcodec_close( pv->mcdeint_avctx_enc );
-            av_freep( &pv->mcdeint_avctx_enc );
-        }        
-        if( pv->mcdeint_outbuf )
-        {
-            free( pv->mcdeint_outbuf );
-        }        
-    }    
-    
-    free( pv );
-}
-
-int hb_deinterlace_work( const hb_buffer_t * buf_in,
-                         hb_buffer_t ** buf_out,
-                         int pix_fmt,
-                         int width, 
-                         int height,
-                         hb_filter_private_t * pv )
-{
-    if( !pv || 
-        pix_fmt != pv->pix_fmt ||
-        width   != pv->width[0] ||
-        height  != pv->height[0] )
-    {
-        return FILTER_FAILED;
-    }
-    
-    avpicture_fill( &pv->pic_in, buf_in->data, 
-                    pix_fmt, width, height );
-
-    /* Use libavcodec deinterlace if yadif_mode < 0 */
-    if( pv->yadif_mode < 0 )
-    {        
-        avpicture_fill( &pv->pic_out, pv->buf_out[0]->data, 
-                        pix_fmt, width, height );
-        
-        avpicture_deinterlace( &pv->pic_out, &pv->pic_in, 
-                               pix_fmt, width, height );
-        
-        hb_buffer_copy_settings( pv->buf_out[0], buf_in );
-
-        *buf_out = pv->buf_out[0];
-        
-        return FILTER_OK;
-    }
-    
-    /* Determine if top-field first layout */
-    int tff;
-    if( pv->yadif_parity < 0 )
-    {
-        tff = !!(buf_in->flags & PIC_FLAG_TOP_FIELD_FIRST);
-    }
-    else
-    {
-        tff = (pv->yadif_parity & 1) ^ 1;
-    }
-    
-    /* Store current frame in yadif cache */
-    yadif_store_ref( (const uint8_t**)pv->pic_in.data, pv );
-    
-    /* If yadif is not ready, store another ref and return FILTER_DELAY */
-    if( pv->yadif_ready == 0 )
-    {
-        yadif_store_ref( (const uint8_t**)pv->pic_in.data, pv );
-        
-        hb_buffer_copy_settings( pv->buf_settings, buf_in );
-
-        pv->yadif_ready = 1;
-        
-        return FILTER_DELAY;
-    }
-
-    /* Perform yadif and mcdeint filtering */
-    int frame;
-    for( frame = 0; frame <= (pv->yadif_mode & 1); frame++ )
-    {
-        int parity = frame ^ tff ^ 1;
-        
-        avpicture_fill( &pv->pic_out, pv->buf_out[!(frame^1)]->data, 
-                        pix_fmt, width, height );
-        
-        yadif_filter( pv->pic_out.data, parity, tff, pv );
-
-        if( pv->mcdeint_mode >= 0 )
-        {
-            avpicture_fill( &pv->pic_in,  pv->buf_out[(frame^1)]->data, 
-                            pix_fmt, width, height );
-            
-            mcdeint_filter( pv->pic_in.data, pv->pic_out.data, parity, pv );
-            
-            *buf_out = pv->buf_out[ (frame^1)];
-        }
-        else
-        {
-            *buf_out = pv->buf_out[!(frame^1)];
-        }
-    }
-    
-    /* Copy buffered settings to output buffer settings */
-    hb_buffer_copy_settings( *buf_out, pv->buf_settings );
-    
-    /* Replace buffered settings with input buffer settings */
-    hb_buffer_copy_settings( pv->buf_settings, buf_in );    
-
-    return FILTER_OK;
-}
-
-
+/*

+ Copyright (C) 2006 Michael Niedermayer <[email protected]>

+ 

+ This program is free software; you can redistribute it and/or modify

+ it under the terms of the GNU General Public License as published by

+ the Free Software Foundation; either version 2 of the License, or

+ (at your option) any later version.

+ 

+ This program is distributed in the hope that it will be useful,

+ but WITHOUT ANY WARRANTY; without even the implied warranty of

+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

+ GNU General Public License for more details.

+ 

+ You should have received a copy of the GNU General Public License

+ along with this program; if not, write to the Free Software

+ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA

+*/

+

+#include "hb.h"

+#include "ffmpeg/avcodec.h"

+#include "mpeg2dec/mpeg2.h"

+

+#define SUPPRESS_AV_LOG

+

+#define YADIF_MODE_DEFAULT     -1

+#define YADIF_PARITY_DEFAULT   -1

+

+#define MCDEINT_MODE_DEFAULT   -1

+#define MCDEINT_QP_DEFAULT      1

+

+#define ABS(a) ((a) > 0 ? (a) : (-(a)))

+#define MIN3(a,b,c) MIN(MIN(a,b),c)

+#define MAX3(a,b,c) MAX(MAX(a,b),c)

+

+struct hb_filter_private_s 

+{

+    int              pix_fmt;

+    int              width[3];

+    int              height[3];

+

+    int              yadif_mode;

+    int              yadif_parity;

+    int              yadif_ready;

+    

+    uint8_t        * yadif_ref[4][3];        

+    int              yadif_ref_stride[3];

+    

+    int              mcdeint_mode;

+    int              mcdeint_qp;

+    

+    int              mcdeint_outbuf_size;

+    uint8_t        * mcdeint_outbuf;

+    AVCodecContext * mcdeint_avctx_enc;

+    AVFrame        * mcdeint_frame;

+    AVFrame        * mcdeint_frame_dec;

+    

+    AVPicture        pic_in;

+    AVPicture        pic_out;            

+    hb_buffer_t *    buf_out[2];

+    hb_buffer_t *    buf_settings;

+};

+

+hb_filter_private_t * hb_deinterlace_init( int pix_fmt, 

+                                           int width, 

+                                           int height,

+                                           char * settings );

+

+int hb_deinterlace_work( const hb_buffer_t * buf_in,

+                         hb_buffer_t ** buf_out,

+                         int pix_fmt,

+                         int width, 

+                         int height,

+                         hb_filter_private_t * pv );

+

+void hb_deinterlace_close( hb_filter_private_t * pv );

+

+hb_filter_object_t hb_filter_deinterlace =

+{   

+    FILTER_DEINTERLACE,

+    "Deinterlace (yadif/mcdeint)",

+    NULL,

+    hb_deinterlace_init,

+    hb_deinterlace_work,

+    hb_deinterlace_close,

+};

+

+static void yadif_store_ref( const uint8_t ** pic, 

+                             hb_filter_private_t * pv )

+{

+    memcpy( pv->yadif_ref[3], 

+            pv->yadif_ref[0], 

+            sizeof(uint8_t *)*3 );

+    

+    memmove( pv->yadif_ref[0], 

+             pv->yadif_ref[1], 

+             sizeof(uint8_t *)*3*3 );    

+    

+    int i;

+    for( i = 0; i < 3; i++ )

+    {

+        const uint8_t * src = pic[i];

+        uint8_t * ref = pv->yadif_ref[2][i];

+        

+        int w = pv->width[i];

+        int h = pv->height[i];

+        int ref_stride = pv->yadif_ref_stride[i];

+        

+        int y;

+        for( y = 0; y < pv->height[i]; y++ )

+        {

+            memcpy(ref, src, w);

+            src = (uint8_t*)src + w;

+            ref = (uint8_t*)ref + ref_stride;

+        }

+    }

+}

+

+static void yadif_filter_line( uint8_t *dst,

+                               uint8_t *prev,

+                               uint8_t *cur, 

+                               uint8_t *next,

+                               int plane,

+                               int parity,

+                               hb_filter_private_t * pv )

+{

+    uint8_t *prev2 = parity ? prev : cur ;

+    uint8_t *next2 = parity ? cur  : next;

+    

+    int w = pv->width[plane];

+    int refs = pv->yadif_ref_stride[plane];

+    

+    int x;

+    for( x = 0; x < w; x++)

+    {

+        int c              = cur[-refs];

+        int d              = (prev2[0] + next2[0])>>1;

+        int e              = cur[+refs];

+        int temporal_diff0 = ABS(prev2[0] - next2[0]);

+        int temporal_diff1 = ( ABS(prev[-refs] - c) + ABS(prev[+refs] - e) ) >> 1;

+        int temporal_diff2 = ( ABS(next[-refs] - c) + ABS(next[+refs] - e) ) >> 1;

+        int diff           = MAX3(temporal_diff0>>1, temporal_diff1, temporal_diff2);

+        int spatial_pred   = (c+e)>>1;

+        int spatial_score  = ABS(cur[-refs-1] - cur[+refs-1]) + ABS(c-e) +

+                             ABS(cur[-refs+1] - cur[+refs+1]) - 1;

+

+#define YADIF_CHECK(j)\

+        {   int score = ABS(cur[-refs-1+j] - cur[+refs-1-j])\

+                      + ABS(cur[-refs  +j] - cur[+refs  -j])\

+                      + ABS(cur[-refs+1+j] - cur[+refs+1-j]);\

+            if( score < spatial_score ){\

+                spatial_score = score;\

+                spatial_pred  = (cur[-refs  +j] + cur[+refs  -j])>>1;\

+                            

+        YADIF_CHECK(-1) YADIF_CHECK(-2) }} }}

+        YADIF_CHECK( 1) YADIF_CHECK( 2) }} }}

+

+        if( pv->yadif_mode < 2 )

+        {

+            int b = (prev2[-2*refs] + next2[-2*refs])>>1;

+            int f = (prev2[+2*refs] + next2[+2*refs])>>1;

+            

+            int max = MAX3(d-e, d-c, MIN(b-c, f-e));

+            int min = MIN3(d-e, d-c, MAX(b-c, f-e));

+

+            diff = MAX3( diff, min, -max );

+        }

+

+        if( spatial_pred > d + diff )

+        {

+            spatial_pred = d + diff;

+        }

+        else if( spatial_pred < d - diff )

+        {

+            spatial_pred = d - diff;

+        }

+

+        dst[0] = spatial_pred;

+

+        dst++;

+        cur++;

+        prev++;

+        next++;

+        prev2++;

+        next2++;

+    }

+}

+

+static void yadif_filter( uint8_t ** dst,

+                          int parity,

+                          int tff,

+                          hb_filter_private_t * pv )

+{

+    int i;

+    for( i = 0; i < 3; i++ )

+    {   

+        int w = pv->width[i];

+        int h = pv->height[i];

+        int ref_stride = pv->yadif_ref_stride[i];

+        

+        int y;

+        for( y = 0; y < h; y++ )

+        {

+            if( (y ^ parity) &  1 )

+            {

+                uint8_t *prev = &pv->yadif_ref[0][i][y*ref_stride];

+                uint8_t *cur  = &pv->yadif_ref[1][i][y*ref_stride];

+                uint8_t *next = &pv->yadif_ref[2][i][y*ref_stride];

+                uint8_t *dst2 = &dst[i][y*w];

+                

+                yadif_filter_line( dst2, prev, cur, next, i, parity ^ tff, pv );

+            }

+            else

+            {

+                memcpy( &dst[i][y*w], 

+                        &pv->yadif_ref[1][i][y*ref_stride], 

+                        w * sizeof(uint8_t) );

+            }

+        }

+    }

+}

+

+static void mcdeint_filter( uint8_t ** dst, 

+                            uint8_t ** src,

+                            int parity,

+                            hb_filter_private_t * pv )

+{

+    int x, y, i;

+    int out_size;    

+   

+#ifdef SUPPRESS_AV_LOG

+    /* TODO: temporarily change log level to suppress obnoxious debug output */

+    int loglevel = av_log_get_level();

+    av_log_set_level( AV_LOG_QUIET );

+#endif

+    

+    for( i=0; i<3; i++ )

+    {

+        pv->mcdeint_frame->data[i] = src[i];

+        pv->mcdeint_frame->linesize[i] = pv->width[i];

+    }    

+    pv->mcdeint_avctx_enc->me_cmp     = FF_CMP_SAD;

+    pv->mcdeint_avctx_enc->me_sub_cmp = FF_CMP_SAD;

+    pv->mcdeint_frame->quality        = pv->mcdeint_qp * FF_QP2LAMBDA;

+    

+    out_size = avcodec_encode_video( pv->mcdeint_avctx_enc, 

+                                     pv->mcdeint_outbuf, 

+                                     pv->mcdeint_outbuf_size, 

+                                     pv->mcdeint_frame );

+    

+    pv->mcdeint_frame_dec = pv->mcdeint_avctx_enc->coded_frame;

+    

+    for( i = 0; i < 3; i++ )

+    {

+        int w    = pv->width[i];

+        int h    = pv->height[i];

+        int fils = pv->mcdeint_frame_dec->linesize[i];

+        int srcs = pv->width[i];

+        

+        for( y = 0; y < h; y++ )

+        {

+            if( (y ^ parity) & 1 )

+            {

+                for( x = 0; x < w; x++ )

+                {

+                    if( (x-2)+(y-1)*w >= 0 && (x+2)+(y+1)*w < w*h )

+                    { 

+                        uint8_t * filp = 

+                            &pv->mcdeint_frame_dec->data[i][x + y*fils];

+                        uint8_t * srcp = &src[i][x + y*srcs];

+

+                        int diff0 = filp[-fils] - srcp[-srcs];

+                        int diff1 = filp[+fils] - srcp[+srcs];

+                        

+                        int spatial_score = 

+                              ABS(srcp[-srcs-1] - srcp[+srcs-1])

+                            + ABS(srcp[-srcs  ] - srcp[+srcs  ])

+                            + ABS(srcp[-srcs+1] - srcp[+srcs+1]) - 1;

+                        

+                        int temp = filp[0];

+                        

+#define MCDEINT_CHECK(j)\

+                        {   int score = ABS(srcp[-srcs-1+j] - srcp[+srcs-1-j])\

+                                      + ABS(srcp[-srcs  +j] - srcp[+srcs  -j])\

+                                      + ABS(srcp[-srcs+1+j] - srcp[+srcs+1-j]);\

+                            if( score < spatial_score ) {\

+                                spatial_score = score;\

+                                diff0 = filp[-fils+j] - srcp[-srcs+j];\

+                                diff1 = filp[+fils-j] - srcp[+srcs-j];

+                                        

+                        MCDEINT_CHECK(-1) MCDEINT_CHECK(-2) }} }}

+                        MCDEINT_CHECK( 1) MCDEINT_CHECK( 2) }} }}

+

+                        if(diff0 + diff1 > 0)

+                        {

+                            temp -= (diff0 + diff1 - 

+                                     ABS( ABS(diff0) - ABS(diff1) ) / 2) / 2;

+                        }

+                        else

+                        {

+                            temp -= (diff0 + diff1 + 

+                                     ABS( ABS(diff0) - ABS(diff1) ) / 2) / 2;

+                        }

+

+                        filp[0] = dst[i][x + y*w] = 

+                            temp > 255U ? ~(temp>>31) : temp;

+                    }

+                    else

+                    {

+                        dst[i][x + y*w] = 

+                            pv->mcdeint_frame_dec->data[i][x + y*fils];

+                    }

+                }

+            }

+        }

+

+        for( y = 0; y < h; y++ )

+        {

+            if( !((y ^ parity) & 1) )

+            {

+                for( x = 0; x < w; x++ )

+                {

+                    pv->mcdeint_frame_dec->data[i][x + y*fils] =

+                        dst[i][x + y*w]= src[i][x + y*srcs];

+                }

+            }

+        }

+    }

+

+#ifdef SUPPRESS_AV_LOG

+    /* TODO: restore previous log level */

+    av_log_set_level(loglevel);

+#endif

+}

+

+hb_filter_private_t * hb_deinterlace_init( int pix_fmt, 

+                                           int width, 

+                                           int height,

+                                           char * settings )

+{

+    if( pix_fmt != PIX_FMT_YUV420P )

+    {

+        return 0;

+    }

+    

+    hb_filter_private_t * pv = calloc( 1, sizeof(struct hb_filter_private_s) );

+    

+    pv->pix_fmt = pix_fmt;

+

+    pv->width[0]  = width;

+    pv->height[0] = height;    

+    pv->width[1]  = pv->width[2]  = width >> 1;

+    pv->height[1] = pv->height[2] = height >> 1;    

+    

+    int buf_size = 3 * width * height / 2;    

+    pv->buf_out[0] = hb_buffer_init( buf_size );

+    pv->buf_out[1] = hb_buffer_init( buf_size );

+    pv->buf_settings = hb_buffer_init( 0 );

+    

+    pv->yadif_ready    = 0;

+    pv->yadif_mode     = YADIF_MODE_DEFAULT;

+    pv->yadif_parity   = YADIF_PARITY_DEFAULT;    

+    

+    pv->mcdeint_mode   = MCDEINT_MODE_DEFAULT;

+    pv->mcdeint_qp     = MCDEINT_QP_DEFAULT;

+    

+    if( settings )

+    {

+        sscanf( settings, "%d:%d:%d:%d", 

+                &pv->yadif_mode, 

+                &pv->yadif_parity,

+                &pv->mcdeint_mode,

+                &pv->mcdeint_qp );

+    }

+    

+    /* Allocate yadif specific buffers */

+    if( pv->yadif_mode >= 0 )

+    {

+        int i, j;

+        for( i = 0; i < 3; i++ )

+        {   

+            int is_chroma = !!i;

+            int w = ((width   + 31) & (~31))>>is_chroma;

+            int h = ((height+6+ 31) & (~31))>>is_chroma;

+            

+            pv->yadif_ref_stride[i] = w;

+            

+            for( j = 0; j < 3; j++ )

+            {

+                pv->yadif_ref[j][i] = malloc( w*h*sizeof(uint8_t) ) + 3*w;

+            }        

+        }

+    }

+    

+    /* Allocate mcdeint specific buffers */

+    if( pv->mcdeint_mode >= 0 )

+    {

+		avcodec_init();

+        register_avcodec( &snow_encoder );

+        

+        AVCodec * enc = avcodec_find_encoder( CODEC_ID_SNOW );

+        

+        int i;

+        for (i = 0; i < 3; i++ )

+        {

+            AVCodecContext * avctx_enc;

+            

+            avctx_enc = pv->mcdeint_avctx_enc = avcodec_alloc_context();

+            

+            avctx_enc->width                    = width;

+            avctx_enc->height                   = height;

+            avctx_enc->time_base                = (AVRational){1,25};  // meaningless

+            avctx_enc->gop_size                 = 300;

+            avctx_enc->max_b_frames             = 0;

+            avctx_enc->pix_fmt                  = PIX_FMT_YUV420P;

+            avctx_enc->flags                    = CODEC_FLAG_QSCALE | CODEC_FLAG_LOW_DELAY;

+            avctx_enc->strict_std_compliance    = FF_COMPLIANCE_EXPERIMENTAL;

+            avctx_enc->global_quality           = 1;

+            avctx_enc->flags2                   = CODEC_FLAG2_MEMC_ONLY;

+            avctx_enc->me_cmp                   = FF_CMP_SAD; //SSE;

+            avctx_enc->me_sub_cmp               = FF_CMP_SAD; //SSE;

+            avctx_enc->mb_cmp                   = FF_CMP_SSE;

+            

+            switch( pv->mcdeint_mode )

+            {

+                case 3:

+                    avctx_enc->refs = 3;

+                case 2:

+                    avctx_enc->me_method = ME_ITER;

+                case 1:

+                    avctx_enc->flags |= CODEC_FLAG_4MV;

+                    avctx_enc->dia_size =2;

+                case 0:

+                    avctx_enc->flags |= CODEC_FLAG_QPEL;

+            }

+            

+            avcodec_open(avctx_enc, enc);        

+        }

+        

+        pv->mcdeint_frame       = avcodec_alloc_frame();

+        pv->mcdeint_outbuf_size = width * height * 10;

+        pv->mcdeint_outbuf      = malloc( pv->mcdeint_outbuf_size );

+    }

+

+    return pv;

+}

+

+void hb_deinterlace_close( hb_filter_private_t * pv )

+{

+    if( !pv ) 

+    {

+        return;

+    }

+    

+    /* Cleanup frame buffers */

+    if( pv->buf_out[0] )

+    {

+        hb_buffer_close( &pv->buf_out[0] );

+    }    

+    if( pv->buf_out[1] )

+    {

+        hb_buffer_close( &pv->buf_out[1] );

+    }

+    if (pv->buf_settings )

+    {

+        hb_buffer_close( &pv->buf_settings );

+    }

+

+    /* Cleanup yadif specific buffers */

+    if( pv->yadif_mode >= 0 )

+    {

+        int i;

+        for( i = 0; i<3*3; i++ )

+        {

+            uint8_t **p = &pv->yadif_ref[i%3][i/3];

+            if (*p) 

+            {

+                free( *p - 3*pv->yadif_ref_stride[i/3] );

+                *p = NULL;

+            }

+        }

+    }

+    

+    /* Cleanup mcdeint specific buffers */

+    if( pv->mcdeint_mode >= 0 )

+    {

+        if( pv->mcdeint_avctx_enc )

+        {

+            avcodec_close( pv->mcdeint_avctx_enc );

+            av_freep( &pv->mcdeint_avctx_enc );

+        }        

+        if( pv->mcdeint_outbuf )

+        {

+            free( pv->mcdeint_outbuf );

+        }        

+    }    

+    

+    free( pv );

+}

+

+int hb_deinterlace_work( const hb_buffer_t * buf_in,

+                         hb_buffer_t ** buf_out,

+                         int pix_fmt,

+                         int width, 

+                         int height,

+                         hb_filter_private_t * pv )

+{

+    if( !pv || 

+        pix_fmt != pv->pix_fmt ||

+        width   != pv->width[0] ||

+        height  != pv->height[0] )

+    {

+        return FILTER_FAILED;

+    }

+    

+    avpicture_fill( &pv->pic_in, buf_in->data, 

+                    pix_fmt, width, height );

+

+    /* Use libavcodec deinterlace if yadif_mode < 0 */

+    if( pv->yadif_mode < 0 )

+    {        

+        avpicture_fill( &pv->pic_out, pv->buf_out[0]->data, 

+                        pix_fmt, width, height );

+        

+        avpicture_deinterlace( &pv->pic_out, &pv->pic_in, 

+                               pix_fmt, width, height );

+        

+        hb_buffer_copy_settings( pv->buf_out[0], buf_in );

+

+        *buf_out = pv->buf_out[0];

+        

+        return FILTER_OK;

+    }

+    

+    /* Determine if top-field first layout */

+    int tff;

+    if( pv->yadif_parity < 0 )

+    {

+        tff = !!(buf_in->flags & PIC_FLAG_TOP_FIELD_FIRST);

+    }

+    else

+    {

+        tff = (pv->yadif_parity & 1) ^ 1;

+    }

+    

+    /* Store current frame in yadif cache */

+    yadif_store_ref( (const uint8_t**)pv->pic_in.data, pv );

+    

+    /* If yadif is not ready, store another ref and return FILTER_DELAY */

+    if( pv->yadif_ready == 0 )

+    {

+        yadif_store_ref( (const uint8_t**)pv->pic_in.data, pv );

+        

+        hb_buffer_copy_settings( pv->buf_settings, buf_in );

+

+        pv->yadif_ready = 1;

+        

+        return FILTER_DELAY;

+    }

+

+    /* Perform yadif and mcdeint filtering */

+    int frame;

+    for( frame = 0; frame <= (pv->yadif_mode & 1); frame++ )

+    {

+        int parity = frame ^ tff ^ 1;

+        

+        avpicture_fill( &pv->pic_out, pv->buf_out[!(frame^1)]->data, 

+                        pix_fmt, width, height );

+        

+        yadif_filter( pv->pic_out.data, parity, tff, pv );

+

+        if( pv->mcdeint_mode >= 0 )

+        {

+            avpicture_fill( &pv->pic_in,  pv->buf_out[(frame^1)]->data, 

+                            pix_fmt, width, height );

+            

+            mcdeint_filter( pv->pic_in.data, pv->pic_out.data, parity, pv );

+            

+            *buf_out = pv->buf_out[ (frame^1)];

+        }

+        else

+        {

+            *buf_out = pv->buf_out[!(frame^1)];

+        }

+    }

+    

+    /* Copy buffered settings to output buffer settings */

+    hb_buffer_copy_settings( *buf_out, pv->buf_settings );

+    

+    /* Replace buffered settings with input buffer settings */

+    hb_buffer_copy_settings( pv->buf_settings, buf_in );    

+

+    return FILTER_OK;

+}

+

+