The yadif algorithm was created by Michael Niedermayer. */
#include "hb.h"
-#include "libavcodec/avcodec.h"
+#include "hbffmpeg.h"
#include "mpeg2dec/mpeg2.h"
#define SUPPRESS_AV_LOG
int refs = pv->ref_stride[plane];
int x;
+ /* Decomb's cubic interpolation can only function when there are
+ three samples above and below, so regress to yadif's traditional
+ two-tap interpolation when filtering at the top and bottom edges. */
+ int edge = 0;
+ if( ( y < 3 ) || ( y > ( pv->height[plane] - 4 ) ) )
+ edge = 1;
+
for( x = 0; x < w; x++)
{
/* Pixel above*/
int spatial_pred;
/* Spatial pred is either a bilinear or cubic vertical interpolation. */
- if( pv->mode > 0 )
+ if( pv->mode > 0 && !edge)
{
spatial_pred = cubic_interpolate( cur[-3*refs], cur[-refs], cur[+refs], cur[3*refs] );
}
+ ABS(cur[-refs+1+j] - cur[+refs+1-j]);\
if( score < spatial_score ){\
spatial_score = score;\
- if( pv->mode > 0 )\
+ if( pv->mode > 0 && !edge )\
{\
switch(j)\
{\
int segment, segment_start, segment_stop;
yadif_thread_arg_t *thread_args = thread_args_v;
uint8_t **dst;
- int parity, tff, y, w, h, ref_stride, is_combed;
+ int parity, tff, y, w, h, penultimate, ultimate, ref_stride, is_combed;
pv = thread_args->pv;
segment = thread_args->segment;
tff = yadif_work->tff;
w = pv->width[plane];
h = pv->height[plane];
+ penultimate = h - 2;
+ ultimate = h - 1;
ref_stride = pv->ref_stride[plane];
segment_start = ( h / pv->cpu_count ) * segment;
if( segment == pv->cpu_count - 1 )
{
if( ( pv->mode == 4 && is_combed ) || is_combed == 2 )
{
+ /* This line gets blend filtered, not yadif filtered. */
uint8_t *prev = &pv->ref[0][plane][y*ref_stride];
uint8_t *cur = &pv->ref[1][plane][y*ref_stride];
uint8_t *next = &pv->ref[2][plane][y*ref_stride];
blend_filter_line( dst2, cur, plane, y, pv );
}
- else if( (y ^ parity) & 1 && is_combed == 1 )
+ else if( ( ( y ^ parity ) & 1 ) && ( is_combed == 1 ) )
{
- uint8_t *prev = &pv->ref[0][plane][y*ref_stride];
- uint8_t *cur = &pv->ref[1][plane][y*ref_stride];
- uint8_t *next = &pv->ref[2][plane][y*ref_stride];
- uint8_t *dst2 = &dst[plane][y*w];
-
- yadif_filter_line( dst2, prev, cur, next, plane, parity ^ tff, y, pv );
+ /* This line gets yadif filtered. It is the bottom field
+ when TFF and vice-versa. It's the field that gets
+ filtered. Because yadif needs 2 lines above and below
+ the one being filtered, we need to mirror the edges.
+ When TFF, this means replacing the 2nd line with a
+ copy of the 1st, and the last with the second-to-last. */
+ if( y > 1 && y < ( h -2 ) )
+ {
+ /* This isn't the top or bottom, proceed as normal to yadif. */
+ uint8_t *prev = &pv->ref[0][plane][y*ref_stride];
+ uint8_t *cur = &pv->ref[1][plane][y*ref_stride];
+ uint8_t *next = &pv->ref[2][plane][y*ref_stride];
+ uint8_t *dst2 = &dst[plane][y*w];
+
+ yadif_filter_line( dst2,
+ prev,
+ cur,
+ next,
+ plane,
+ parity ^ tff,
+ y,
+ pv );
+ }
+ else if( y == 0 )
+ {
+ /* BFF, so y0 = y1 */
+ memcpy( &dst[plane][y*w],
+ &pv->ref[1][plane][1*ref_stride],
+ w * sizeof(uint8_t) );
+ }
+ else if( y == 1 )
+ {
+ /* TFF, so y1 = y0 */
+ memcpy( &dst[plane][y*w],
+ &pv->ref[1][plane][0],
+ w * sizeof(uint8_t) );
+ }
+ else if( y == penultimate )
+ {
+ /* BFF, so penultimate y = ultimate y */
+ memcpy( &dst[plane][y*w],
+ &pv->ref[1][plane][ultimate*ref_stride],
+ w * sizeof(uint8_t) );
+ }
+ else if( y == ultimate )
+ {
+ /* TFF, so ultimate y = penultimate y */
+ memcpy( &dst[plane][y*w],
+ &pv->ref[1][plane][penultimate*ref_stride],
+ w * sizeof(uint8_t) );
+ }
}
else
{
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_out[0] = hb_video_buffer_init( width, height );
+ pv->buf_out[1] = hb_video_buffer_init( width, height );
pv->buf_settings = hb_buffer_init( 0 );
pv->yadif_deinterlaced_frames = 0;
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;
+ pv->mask[i] = calloc( 1, w*h*sizeof(uint8_t) ) + 3*w;
}
/*
avctx_enc->flags |= CODEC_FLAG_QPEL;
}
- avcodec_open(avctx_enc, enc);
+ hb_avcodec_open(avctx_enc, enc);
}
pv->mcdeint_frame = avcodec_alloc_frame();
{
if( pv->mcdeint_avctx_enc )
{
- avcodec_close( pv->mcdeint_avctx_enc );
+ hb_avcodec_close( pv->mcdeint_avctx_enc );
av_freep( &pv->mcdeint_avctx_enc );
}
if( pv->mcdeint_outbuf )