diff options
Diffstat (limited to 'libhb/decomb.c')
-rw-r--r-- | libhb/decomb.c | 643 |
1 files changed, 352 insertions, 291 deletions
diff --git a/libhb/decomb.c b/libhb/decomb.c index e29f253e6..1b18328d4 100644 --- a/libhb/decomb.c +++ b/libhb/decomb.c @@ -11,7 +11,7 @@ #define SUPPRESS_AV_LOG -#define MODE_DEFAULT 4 +#define MODE_DEFAULT 1 #define PARITY_DEFAULT -1 #define MCDEINT_MODE_DEFAULT -1 @@ -28,6 +28,13 @@ struct hb_filter_private_s int height[3]; int mode; + int spatial_metric; + int motion_threshold; + int spatial_threshold; + int block_threshold; + int block_width; + int block_height; + int parity; int yadif_ready; @@ -41,27 +48,20 @@ struct hb_filter_private_s AVFrame * mcdeint_frame; AVFrame * mcdeint_frame_dec; - int comb; - int color_equal; - int color_diff; - int threshold; - int prog_equal; - int prog_diff; - int prog_threshold; - int deinterlaced_frames; - int passed_frames; + int yadif_deinterlaced_frames; + int blend_deinterlaced_frames; + int unfiltered_frames; uint8_t * ref[4][3]; int ref_stride[3]; + /* Make a buffer to store a comb mask. */ + uint8_t * mask[3]; + AVPicture pic_in; AVPicture pic_out; hb_buffer_t * buf_out[2]; hb_buffer_t * buf_settings; - - int cc_array[3][480][270]; - int combed_macroblocks; - int uncombed_macroblocks; }; hb_filter_private_t * hb_decomb_init( int pix_fmt, @@ -81,7 +81,7 @@ void hb_decomb_close( hb_filter_private_t * pv ); hb_filter_object_t hb_filter_decomb = { FILTER_DECOMB, - "Decombs selectively with (ffmpeg or yadif/mcdeint or blending)", + "Deinterlaces selectively with yadif/mcdeint or lowpass5 blending", NULL, hb_decomb_init, hb_decomb_work, @@ -230,6 +230,255 @@ static void blend_filter_line( uint8_t *dst, } } +int check_combing_mask( hb_filter_private_t * pv ) +{ + /* Go through the mask in X*Y blocks. If any of these windows + have threshold or more combed pixels, consider the whole + frame to be combed and send it on to be deinterlaced. */ + + /* Block mask threshold -- The number of pixels + in a block_width * block_height window of + he mask that need to show combing for the + whole frame to be seen as such. */ + int threshold = pv->block_threshold; + int block_width = pv->block_width; + int block_height = pv->block_height; + int block_x, block_y; + int block_score = 0; int send_to_blend = 0; + + int x, y, k; + + for( k = 0; k < 1; k++ ) + { + int ref_stride = pv->ref_stride[k]; + for( y = 0; y < ( pv->height[k] - block_height ); y = y + block_height ) + { + for( x = 0; x < ( pv->width[k] - block_width ); x = x + block_width ) + { + block_score = 0; + for( block_y = 0; block_y < block_height; block_y++ ) + { + for( block_x = 0; block_x < block_width; block_x++ ) + { + int mask_y = y + block_y; + int mask_x = x + block_x; + + /* We only want to mark a pixel in a block as combed + if the pixels above and below are as well. Got to + handle the top and bottom lines separately. */ + if( y + block_y == 0 ) + { + if( pv->mask[k][mask_y*ref_stride+mask_x ] == 255 && + pv->mask[k][mask_y*ref_stride+mask_x + 1] == 255 ) + block_score++; + } + else if( y + block_y == pv->height[k] - 1 ) + { + if( pv->mask[k][mask_y*ref_stride+mask_x - 1] == 255 && + pv->mask[k][mask_y*ref_stride+mask_x ] == 255 ) + block_score++; + } + else + { + if( pv->mask[k][mask_y*ref_stride+mask_x - 1] == 255 && + pv->mask[k][mask_y*ref_stride+mask_x ] == 255 && + pv->mask[k][mask_y*ref_stride+mask_x + 1] == 255 ) + block_score++; + } + } + } + + if( block_score >= ( threshold / 2 ) ) + { +#if 0 + hb_log("decomb: frame %i | score %i | type %s", pv->yadif_deinterlaced_frames + pv->blend_deinterlaced_frames + pv->unfiltered_frames + 1, block_score, pv->buf_settings->flags & 16 ? "Film" : "Video"); +#endif + if ( block_score <= threshold && !( pv->buf_settings->flags & 16) ) + { + /* Blend video content that scores between + ( threshold / 2 ) and threshold. */ + send_to_blend = 1; + } + else if( block_score > threshold ) + { + if( pv->buf_settings->flags & 16 ) + { + /* Blend progressive content above the threshold.*/ + return 2; + } + else + { + /* Yadif deinterlace video content above the threshold. */ + return 1; + } + } + } + } + } + } + + if( send_to_blend ) + { + return 2; + } + else + { + /* Consider this frame to be uncombed. */ + return 0; + } +} + +int tritical_detect_comb( hb_filter_private_t * pv ) +{ + /* A mish-mash of various comb detection tricks + picked up from neuron2's Decomb plugin for + AviSynth and tritical's IsCombedT and + IsCombedTIVTC plugins. */ + + int x, y, k, width, height; + + /* Comb scoring algorithm */ + int spatial_metric = pv->spatial_metric; + /* Motion threshold */ + int mthresh = pv->motion_threshold; + /* Spatial threshold */ + int athresh = pv->spatial_threshold; + int athresh_squared = athresh * athresh; + int athresh6 = 6 *athresh; + + /* One pas for Y, one pass for Cb, one pass for Cr */ + for( k = 0; k < 1; k++ ) + { + int ref_stride = pv->ref_stride[k]; + width = pv->width[k]; + height = pv->height[k]; + + for( y = 2; y < ( height - 2 ); y++ ) + { + /* These are just to make the buffer locations easier to read. */ + int back_2 = ( y - 2 )*ref_stride ; + int back_1 = ( y - 1 )*ref_stride; + int current = y*ref_stride; + int forward_1 = ( y + 1 )*ref_stride; + int forward_2 = ( y + 2 )*ref_stride; + + /* We need to examine a column of 5 pixels + in the prev, cur, and next frames. */ + uint8_t previous_frame[5]; + uint8_t current_frame[5]; + uint8_t next_frame[5]; + + for( x = 0; x < width; x++ ) + { + /* Fill up the current frame array with the current pixel values.*/ + current_frame[0] = pv->ref[1][k][back_2 + x]; + current_frame[1] = pv->ref[1][k][back_1 + x]; + current_frame[2] = pv->ref[1][k][current + x]; + current_frame[3] = pv->ref[1][k][forward_1 + x]; + current_frame[4] = pv->ref[1][k][forward_2 + x]; + + int up_diff = current_frame[2] - current_frame[1]; + int down_diff = current_frame[2] - current_frame[3]; + + if( ( up_diff > athresh && down_diff > athresh ) || + ( up_diff < -athresh && down_diff < -athresh ) ) + { + /* The pixel above and below are different, + and they change in the same "direction" too.*/ + int motion = 0; + if( mthresh > 0 ) + { + /* Make sure there's sufficient motion between frame t-1 to frame t+1. */ + previous_frame[0] = pv->ref[0][k][back_2 + x]; + previous_frame[1] = pv->ref[0][k][back_1 + x]; + previous_frame[2] = pv->ref[0][k][current + x]; + previous_frame[3] = pv->ref[0][k][forward_1 + x]; + previous_frame[4] = pv->ref[0][k][forward_2 + x]; + next_frame[0] = pv->ref[2][k][back_2 + x]; + next_frame[1] = pv->ref[2][k][back_1 + x]; + next_frame[2] = pv->ref[2][k][current + x]; + next_frame[3] = pv->ref[2][k][forward_1 + x]; + next_frame[4] = pv->ref[2][k][forward_2 + x]; + + if( abs( previous_frame[2] - current_frame[2] ) > mthresh && + abs( current_frame[1] - next_frame[1] ) > mthresh && + abs( current_frame[3] - next_frame[3] ) > mthresh ) + motion++; + if( abs( next_frame[2] - current_frame[2] ) > mthresh && + abs( previous_frame[1] - current_frame[1] ) > mthresh && + abs( previous_frame[3] - current_frame[3] ) > mthresh ) + motion++; + } + else + { + /* User doesn't want to check for motion, + so move on to the spatial check. */ + motion = 1; + } + + if( motion || ( pv->yadif_deinterlaced_frames==0 && pv->blend_deinterlaced_frames==0 && pv->unfiltered_frames==0) ) + { + /*That means it's time for the spatial check. + We've got several options here. */ + if( spatial_metric == 0 ) + { + /* Simple 32detect style comb detection */ + if( ( abs( current_frame[2] - current_frame[4] ) < 10 ) && + ( abs( current_frame[2] - current_frame[3] ) > 15 ) ) + { + pv->mask[k][y*ref_stride + x] = 255; + } + else + { + pv->mask[k][y*ref_stride + x] = 0; + } + } + else if( spatial_metric == 1 ) + { + /* This, for comparison, is what IsCombed uses. + It's better, but still noise senstive. */ + int combing = ( current_frame[1] - current_frame[2] ) * + ( current_frame[3] - current_frame[2] ); + + if( combing > athresh_squared ) + pv->mask[k][y*ref_stride + x] = 255; + else + pv->mask[k][y*ref_stride + x] = 0; + } + else if( spatial_metric == 2 ) + { + /* Tritical's noise-resistant combing scorer. + The check is done on a bob+blur convolution. */ + int combing = abs( current_frame[0] + + ( 4 * current_frame[2] ) + + current_frame[4] + - ( 3 * ( current_frame[1] + + current_frame[3] ) ) ); + + /* If the frame is sufficiently combed, + then mark it down on the mask as 255. */ + if( combing > athresh6 ) + pv->mask[k][y*ref_stride + x] = 255; + else + pv->mask[k][y*ref_stride + x] = 0; + } + } + else + { + pv->mask[k][y*ref_stride + x] = 0; + } + } + else + { + pv->mask[k][y*ref_stride + x] = 0; + } + } + } + } + + return check_combing_mask( pv ); +} + static void yadif_filter_line( uint8_t *dst, uint8_t *prev, uint8_t *cur, @@ -245,32 +494,9 @@ static void yadif_filter_line( uint8_t *dst, int w = pv->width[plane]; int refs = pv->ref_stride[plane]; int x; - int macroblock_x; - int macroblock_y = y / 8 ; - for( x = 0; x < w; x++) { - -#if 0 - /* Buggy experimental code for macroblock-by-macrobock comb detection.*/ - if(plane == 0 && pv->mode == 7) - { - if( !(x % 8)) - macroblock_x = x / 8; - - if(pv->cc_array[plane][macroblock_x][macroblock_y] < 0 || pv->cc_array[plane][macroblock_x][macroblock_y] > 64) - hb_log("[%i][%i] ( %i * %i )macroblock %i x %i is combed: %i", pv->deinterlaced_frames, plane, x, y, macroblock_x, macroblock_y, pv->cc_array[plane][macroblock_x][macroblock_y] ); - - if(pv->cc_array[plane][macroblock_x][macroblock_y] == 0 && pv->cc_array[plane][macroblock_x+1][macroblock_y] == 0 && pv->cc_array[plane][macroblock_x-1][macroblock_y] == 0 && pv->cc_array[plane][macroblock_x][macroblock_y+1] == 0 && pv->cc_array[plane][macroblock_x][macroblock_y-1] == 0 ) - { - dst[0] = cur[0]; - pv->uncombed_macroblocks++; - goto end_of_yadif_filter_pixel; - } - } - pv->combed_macroblocks++; -#endif /* Pixel above*/ int c = cur[-refs]; /* Temporal average -- the current pixel location in the previous and next fields */ @@ -293,7 +519,7 @@ static void yadif_filter_line( uint8_t *dst, int spatial_pred; /* Spatial pred is either a bilinear or cubic vertical interpolation. */ - if( pv->mode >= 4 ) + if( pv->mode > 0 ) { spatial_pred = cubic_interpolate( cur[-3*refs], cur[-refs], cur[+refs], cur[3*refs] ); } @@ -314,7 +540,7 @@ static void yadif_filter_line( uint8_t *dst, + ABS(cur[-refs+1+j] - cur[+refs+1-j]);\ if( score < spatial_score ){\ spatial_score = score;\ - if( pv->mode >= 4)\ + if( pv->mode > 0 )\ {\ switch(j)\ {\ @@ -340,8 +566,8 @@ static void yadif_filter_line( uint8_t *dst, YADIF_CHECK(-1) YADIF_CHECK(-2) }} }} YADIF_CHECK( 1) YADIF_CHECK( 2) }} }} - /* Temporally adjust the spatial prediction by comparing against the - alternate (associated) fields in the previous and next frames. */ + /* Temporally adjust the spatial prediction by comparing + against fields in the previous and next frames. */ int b = (prev2[-2*refs] + next2[-2*refs])>>1; int f = (prev2[+2*refs] + next2[+2*refs])>>1; @@ -361,7 +587,6 @@ static void yadif_filter_line( uint8_t *dst, dst[0] = spatial_pred; -end_of_yadif_filter_pixel: dst++; cur++; prev++; @@ -376,109 +601,21 @@ static void yadif_filter( uint8_t ** dst, int tff, hb_filter_private_t * pv ) { - -#if 0 - /* Buggy, experimental code for macroblock-by-macroblock decombing.*/ - if( pv->mode == 7 ) + + int is_combed = tritical_detect_comb( pv ); + + if( is_combed == 1 ) { - int x, y, block_x, block_y, plane, plane_width, plane_height, offset, cc; - - int stride = 0; - int block = 8; - int s[16]; - int color_diff = pv->color_diff; - int color_equal = pv->color_equal; - - if ( pv->buf_settings->flags & 16 ) - { - /* Frame is progressive, be more discerning. */ - color_diff = pv->prog_diff; - color_equal = pv->prog_equal; - } - - /* Iterate through planes */ - for( plane = 0; plane < 1; plane++ ) - { - plane_width = pv->width[plane]; - plane_height = pv->height[plane]; - - if( plane == 1 ) - { - /* Y has already been checked, now offset by Y's dimensions - and divide all the other values by 2, since Cr and Cb - are half-size compared to Y. */ - stride = plane_width * plane_height; - } - else if ( plane == 2 ) - { - /* Y and Cb are done, so the offset needs to be bumped - so it's width*height + (width / 2) * (height / 2) */ - stride *= 5/4; - } - /* Grab a horizontal line */ - for(y = 0; y < plane_height; y += block ) - { - uint8_t *line = &pv->ref[1][plane][ y*plane_width ]; - - /* Iterate through it horizontally in blocks */ - for(x = 0; x < plane_width; x += block) - { - /* Clear out the current macroblock mapping from the last frame. */ - pv->cc_array[plane][x/block][y/block] = 0; - int sadA = 0; - int sadB = 0; - - /* Go through the block horizontally */ - for(block_x = 0; block_x < block; block_x++) - { - /* Go through the block vertically, collecting pixels */ - for(block_y = 0; block_y < block*2; block_y++) - { - s[block_y] = line[x+block_x+(block_y*plane_width)]; - } - - /* Now go through the results to check combing. */ - for(block_y = 0; block_y < block; block_y++) - { - sadA += abs(s[block_y] - s[block_y+2]); - sadB += abs(s[block_y] - s[block_y+1]); - -// if( abs(s[block_y] - s[block_y+2]) < color_equal && abs(s[block_y] - s[block_y+1]) > color_diff) -// { -// pv->cc_array[plane][x/block][y/block]++; -// } - } - } - - if(sadA < sadB) - { - pv->cc_array[plane][x/block][y/block] = 1; - } - - } - } - } + pv->yadif_deinterlaced_frames++; } - -#if 0 -/* Visualize macroblocks */ - int x, y; - fprintf(stderr, "FRAME %i VISUALIZATION\n", pv->deinterlaced_frames); - for( y = 0; y < 60; y++ ) + else if( is_combed == 2 ) { - for( x = 0; x < 90; x++ ) - { - if(pv->cc_array[0][x][y]) - fprintf(stderr, "X"); - else - fprintf(stderr, "O"); - - } - fprintf(stderr, "\n"); + pv->blend_deinterlaced_frames++; + } + else + { + pv->unfiltered_frames++; } - fprintf(stderr, "\n\n"); -#endif -#endif int i; for( i = 0; i < 3; i++ ) @@ -490,7 +627,7 @@ static void yadif_filter( uint8_t ** dst, int y; for( y = 0; y < h; y++ ) { - if( pv->mode == 3) + if( ( pv->mode == 4 && is_combed ) || is_combed == 2 ) { uint8_t *prev = &pv->ref[0][i][y*ref_stride]; uint8_t *cur = &pv->ref[1][i][y*ref_stride]; @@ -499,7 +636,7 @@ static void yadif_filter( uint8_t ** dst, blend_filter_line( dst2, cur, i, y, pv ); } - else if( (y ^ parity) & 1 ) + else if( (y ^ parity) & 1 && is_combed == 1 ) { uint8_t *prev = &pv->ref[0][i][y*ref_stride]; uint8_t *cur = &pv->ref[1][i][y*ref_stride]; @@ -655,20 +792,20 @@ hb_filter_private_t * hb_decomb_init( int pix_fmt, pv->buf_out[1] = hb_buffer_init( buf_size ); pv->buf_settings = hb_buffer_init( 0 ); - pv->deinterlaced_frames = 0; - pv->passed_frames = 0; - pv->color_equal = 10; - pv->color_diff = 15; - pv->threshold = 9; - pv->prog_equal = 10; - pv->prog_diff = 35; - pv->prog_threshold = 9; - - pv->combed_macroblocks = 0; - pv->uncombed_macroblocks = 0; - + pv->yadif_deinterlaced_frames = 0; + pv->blend_deinterlaced_frames = 0; + pv->unfiltered_frames = 0; + pv->yadif_ready = 0; + pv->mode = MODE_DEFAULT; + pv->spatial_metric = 2; + pv->motion_threshold = 6; + pv->spatial_threshold = 9; + pv->block_threshold = 80; + pv->block_width = 16; + pv->block_height = 16; + pv->parity = PARITY_DEFAULT; pv->mcdeint_mode = MCDEINT_MODE_DEFAULT; @@ -678,38 +815,45 @@ hb_filter_private_t * hb_decomb_init( int pix_fmt, { sscanf( settings, "%d:%d:%d:%d:%d:%d:%d", &pv->mode, - &pv->color_equal, - &pv->color_diff, - &pv->threshold, - &pv->prog_equal, - &pv->prog_diff, - &pv->prog_threshold ); + &pv->spatial_metric, + &pv->motion_threshold, + &pv->spatial_threshold, + &pv->block_threshold, + &pv->block_width, + &pv->block_height ); } - - if( pv->mode == 2 || pv->mode == 5 ) + + if( pv->mode == 2 || pv->mode == 3 ) { pv->mcdeint_mode = 0; } /* Allocate yadif specific buffers */ - if( pv->mode > 0 ) + int i, j; + for( i = 0; i < 3; i++ ) { - 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; + int is_chroma = !!i; + int w = ((width + 31) & (~31))>>is_chroma; + int h = ((height+6+ 31) & (~31))>>is_chroma; - pv->ref_stride[i] = w; + pv->ref_stride[i] = w; - for( j = 0; j < 3; j++ ) - { - pv->ref[j][i] = malloc( w*h*sizeof(uint8_t) ) + 3*w; - } + for( j = 0; j < 3; j++ ) + { + pv->ref[j][i] = malloc( w*h*sizeof(uint8_t) ) + 3*w; } } + /* Allocate a buffer to store a comb mask. */ + for( i = 0; i < 3; i++ ) + { + int is_chroma = !!i; + int w = ((pv->width[0] + 31) & (~31))>>is_chroma; + int h = ((pv->height[0]+6+ 31) & (~31))>>is_chroma; + + pv->mask[i] = malloc( w*h*sizeof(uint8_t) ) + 3*w; + } + /* Allocate mcdeint specific buffers */ if( pv->mcdeint_mode >= 0 ) { @@ -770,14 +914,7 @@ void hb_decomb_close( hb_filter_private_t * pv ) return; } - if( pv->mode < 7 ) - { - hb_log("decomb: deinterlaced %i | unfiltered %i | total %i", pv->deinterlaced_frames, pv->passed_frames, pv->deinterlaced_frames + pv->passed_frames); - } - else - { - hb_log("decomb macroblock: deinterlaced: %i | unfiltered %i | total %i", pv->combed_macroblocks, pv->uncombed_macroblocks, pv->combed_macroblocks + pv->uncombed_macroblocks); - } + hb_log("decomb: yadif deinterlaced %i | blend deinterlaced %i | unfiltered %i | total %i", pv->yadif_deinterlaced_frames, pv->blend_deinterlaced_frames, pv->unfiltered_frames, pv->yadif_deinterlaced_frames + pv->blend_deinterlaced_frames + pv->unfiltered_frames); /* Cleanup frame buffers */ if( pv->buf_out[0] ) @@ -794,20 +931,28 @@ void hb_decomb_close( hb_filter_private_t * pv ) } /* Cleanup yadif specific buffers */ - if( pv->mode > 0 ) + int i; + for( i = 0; i<3*3; i++ ) { - int i; - for( i = 0; i<3*3; i++ ) + uint8_t **p = &pv->ref[i%3][i/3]; + if (*p) { - uint8_t **p = &pv->ref[i%3][i/3]; - if (*p) - { - free( *p - 3*pv->ref_stride[i/3] ); - *p = NULL; - } + free( *p - 3*pv->ref_stride[i/3] ); + *p = NULL; } } - + + /* Cleanup combing mask. */ + for( i = 0; i<3*3; i++ ) + { + uint8_t **p = &pv->mask[i/3]; + if (*p) + { + free( *p - 3*pv->ref_stride[i/3] ); + *p = NULL; + } + } + /* Cleanup mcdeint specific buffers */ if( pv->mcdeint_mode >= 0 ) { @@ -845,40 +990,6 @@ int hb_decomb_work( const hb_buffer_t * cbuf_in, avpicture_fill( &pv->pic_in, buf_in->data, pix_fmt, width, height ); - /* Use libavcodec deinterlace if mode == 0 */ - if( pv->mode == 0 ) - { - avpicture_fill( &pv->pic_out, pv->buf_out[0]->data, - pix_fmt, width, height ); - - /* Check for combing on the input frame */ - int interlaced = hb_detect_comb(buf_in, width, height, pv->color_equal, pv->color_diff, pv->threshold, pv->prog_equal, pv->prog_diff, pv->prog_threshold); - - if(interlaced) - { - avpicture_deinterlace( &pv->pic_out, &pv->pic_in, - pix_fmt, width, height ); - - pv->deinterlaced_frames++; - //hb_log("Frame %i is combed (Progressive: %s )", pv->deinterlaced_frames + pv->passed_frames, (buf_in->flags & 16) ? "Y" : "N"); - - hb_buffer_copy_settings( pv->buf_out[0], buf_in ); - *buf_out = pv->buf_out[0]; - } - else - { - /* No combing detected, pass input frame through unmolested.*/ - - pv->passed_frames++; - - hb_buffer_copy_settings( pv->buf_out[0], buf_in ); - *buf_out = buf_in; - - } - - return FILTER_OK; - } - /* Determine if top-field first layout */ int tff; if( pv->parity < 0 ) @@ -892,12 +1003,6 @@ int hb_decomb_work( const hb_buffer_t * cbuf_in, /* Store current frame in yadif cache */ store_ref( (const uint8_t**)pv->pic_in.data, pv ); - - if( pv->mode < 7 ) - { - /* Note down if the input frame is combed */ - pv->comb = (pv->comb << 1) | hb_detect_comb(buf_in, width, height, pv->color_equal, pv->color_diff, pv->threshold, pv->prog_equal, pv->prog_diff, pv->prog_threshold); - } /* If yadif is not ready, store another ref and return FILTER_DELAY */ if( pv->yadif_ready == 0 ) @@ -914,71 +1019,27 @@ int hb_decomb_work( const hb_buffer_t * cbuf_in, return FILTER_DELAY; } - /* yadif works one frame behind so if the previous frame - * had combing, deinterlace it otherwise just output it. */ - if( pv->mode == 7 ) // Experimental for macroblock decombing + /* Perform yadif filtering */ + int frame; + for( frame = 0; frame <= ( ( pv->mode == 2 || pv->mode == 3 )? 1 : 0 ) ; frame++ ) { - /* Perform yadif filtering */ - - pv->deinterlaced_frames++; - int frame; - for( frame = 0; frame <= ( ( pv->mode == 2 || pv->mode == 5 )? 1 : 0 ) ; frame++ ) - { - int parity = frame ^ tff ^ 1; + 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 ) - { - /* Perform mcdeint filtering */ - avpicture_fill( &pv->pic_in, pv->buf_out[(frame^1)]->data, - pix_fmt, width, height ); + avpicture_fill( &pv->pic_out, pv->buf_out[!(frame^1)]->data, + pix_fmt, width, height ); - mcdeint_filter( pv->pic_in.data, pv->pic_out.data, parity, pv ); - } + yadif_filter( pv->pic_out.data, parity, tff, pv ); - *buf_out = pv->buf_out[!(frame^1)]; - } - } - else if( (pv->comb & 2 ) == 0 ) - { - /* previous frame not interlaced - copy cached input frame to buf_out */ - - pv->passed_frames++; - - avpicture_fill( &pv->pic_out, pv->buf_out[0]->data, pix_fmt, width, height ); - get_ref( (uint8_t**)pv->pic_out.data, pv, 1 ); - *buf_out = pv->buf_out[0]; - } - else - { - /* Perform yadif filtering */ - - pv->deinterlaced_frames++; - int frame; - for( frame = 0; frame <= ( ( pv->mode == 2 || pv->mode == 5 )? 1 : 0 ) ; frame++ ) + if( pv->mcdeint_mode >= 0 ) { - int parity = frame ^ tff ^ 1; - - avpicture_fill( &pv->pic_out, pv->buf_out[!(frame^1)]->data, + /* Perform mcdeint filtering */ + avpicture_fill( &pv->pic_in, pv->buf_out[(frame^1)]->data, pix_fmt, width, height ); - yadif_filter( pv->pic_out.data, parity, tff, pv ); - - if( pv->mcdeint_mode >= 0 ) - { - /* Perform mcdeint filtering */ - 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)]; + mcdeint_filter( pv->pic_in.data, pv->pic_out.data, parity, pv ); } + + *buf_out = pv->buf_out[!(frame^1)]; } /* Copy buffered settings to output buffer settings */ |