diff options
Diffstat (limited to 'libhb/deinterlace.c')
-rw-r--r-- | libhb/deinterlace.c | 479 |
1 files changed, 187 insertions, 292 deletions
diff --git a/libhb/deinterlace.c b/libhb/deinterlace.c index 095693ab1..a7e724c02 100644 --- a/libhb/deinterlace.c +++ b/libhb/deinterlace.c @@ -40,22 +40,21 @@ #define MAX3(a,b,c) MAX(MAX(a,b),c) typedef struct yadif_arguments_s { - uint8_t **dst; + hb_buffer_t * dst; int parity; int tff; } yadif_arguments_t; struct hb_filter_private_s { - int width[3]; - int height[3]; + int width; + int height; int yadif_mode; int yadif_parity; int yadif_ready; - uint8_t * yadif_ref[4][3]; - int yadif_ref_stride[3]; + hb_buffer_t * yadif_ref[3]; int cpu_count; @@ -66,8 +65,7 @@ struct hb_filter_private_s int mcdeint_mode; mcdeint_private_t mcdeint; - hb_buffer_t * buf_out[2]; - hb_buffer_t * buf_settings; + //hb_buffer_t * buf_out[2]; }; static int hb_deinterlace_init( hb_filter_object_t * filter, @@ -91,79 +89,56 @@ hb_filter_object_t hb_filter_deinterlace = }; -static void yadif_store_ref( const uint8_t ** pic, - hb_filter_private_t * pv ) +static void yadif_store_ref(hb_filter_private_t *pv, hb_buffer_t *b) { - 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 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; - } - } + hb_buffer_close(&pv->yadif_ref[0]); + memmove(&pv->yadif_ref[0], &pv->yadif_ref[1], sizeof(hb_buffer_t *) * 2 ); + pv->yadif_ref[2] = b; } -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 ) +static void yadif_filter_line( + hb_filter_private_t * pv, + uint8_t * dst, + uint8_t * prev, + uint8_t * cur, + uint8_t * next, + int width, + int stride, + int parity) { 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++) + for( x = 0; x < width; x++) { - int c = cur[-refs]; + int c = cur[-stride]; int d = (prev2[0] + next2[0])>>1; - int e = cur[+refs]; + int e = cur[+stride]; 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 temporal_diff1 = ( ABS(prev[-stride] - c) + ABS(prev[+stride] - e) ) >> 1; + int temporal_diff2 = ( ABS(next[-stride] - c) + ABS(next[+stride] - 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; + int spatial_score = ABS(cur[-stride-1] - cur[+stride-1]) + ABS(c-e) + + ABS(cur[-stride+1] - cur[+stride+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]);\ + { int score = ABS(cur[-stride-1+j] - cur[+stride-1-j])\ + + ABS(cur[-stride +j] - cur[+stride -j])\ + + ABS(cur[-stride+1+j] - cur[+stride+1-j]);\ if( score < spatial_score ){\ spatial_score = score;\ - spatial_pred = (cur[-refs +j] + cur[+refs -j])>>1;\ + spatial_pred = (cur[-stride +j] + cur[+stride -j])>>1;\ YADIF_CHECK(-1) YADIF_CHECK(-2) }} }} YADIF_CHECK( 1) YADIF_CHECK( 2) }} }} if( pv->yadif_mode & MODE_YADIF_SPATIAL ) { - int b = (prev2[-2*refs] + next2[-2*refs])>>1; - int f = (prev2[+2*refs] + next2[+2*refs])>>1; + int b = (prev2[-2*stride] + next2[-2*stride])>>1; + int f = (prev2[+2*stride] + next2[+2*stride])>>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)); @@ -204,12 +179,8 @@ void yadif_filter_thread( void *thread_args_v ) yadif_arguments_t *yadif_work = NULL; hb_filter_private_t * pv; int run = 1; - int plane; 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, penultimate, ultimate; - pv = thread_args->pv; segment = thread_args->segment; @@ -245,18 +216,20 @@ void yadif_filter_thread( void *thread_args_v ) /* * Process all three planes, but only this segment of it. */ - for( plane = 0; plane < 3; plane++) + int pp; + for(pp = 0; pp < 3; pp++) { - - dst = yadif_work->dst; - parity = yadif_work->parity; - tff = yadif_work->tff; - w = pv->width[plane]; - h = pv->height[plane]; - penultimate = h -2; - ultimate = h - 1; - ref_stride = pv->yadif_ref_stride[plane]; - segment_start = ( h / pv->cpu_count ) * segment; + hb_buffer_t *dst = yadif_work->dst; + int w = dst->plane[pp].width; + int s = dst->plane[pp].stride; + int h = dst->plane[pp].height; + int yy; + int parity = yadif_work->parity; + int tff = yadif_work->tff; + int penultimate = h - 2; + + int segment_height = (h / pv->cpu_count) & ~1; + segment_start = segment_height * segment; if( segment == pv->cpu_count - 1 ) { /* @@ -264,12 +237,16 @@ void yadif_filter_thread( void *thread_args_v ) */ segment_stop = h; } else { - segment_stop = ( h / pv->cpu_count ) * ( segment + 1 ); + segment_stop = segment_height * ( segment + 1 ); } - for( y = segment_start; y < segment_stop; y++ ) + uint8_t *dst2 = &dst->plane[pp].data[segment_start * s]; + uint8_t *prev = &pv->yadif_ref[0]->plane[pp].data[segment_start * s]; + uint8_t *cur = &pv->yadif_ref[1]->plane[pp].data[segment_start * s]; + uint8_t *next = &pv->yadif_ref[2]->plane[pp].data[segment_start * s]; + for( yy = segment_start; yy < segment_stop; yy++ ) { - if( ( ( y ^ parity ) & 1 ) ) + if(((yy ^ parity) & 1)) { /* This is the bottom field when TFF and vice-versa. It's the field that gets filtered. Because yadif @@ -277,58 +254,32 @@ void yadif_filter_thread( void *thread_args_v ) 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 ) ) + if( yy > 1 && yy < penultimate ) { - /* This isn't the top or bottom, proceed as normal to yadif. */ - uint8_t *prev = &pv->yadif_ref[0][plane][y*ref_stride]; - uint8_t *cur = &pv->yadif_ref[1][plane][y*ref_stride]; - uint8_t *next = &pv->yadif_ref[2][plane][y*ref_stride]; - uint8_t *dst2 = &dst[plane][y*w]; - - yadif_filter_line( dst2, - prev, - cur, - next, - plane, - parity ^ tff, - pv ); + /* This isn't the top or bottom, + * proceed as normal to yadif. */ + yadif_filter_line(pv, dst2, prev, cur, next, w, s, + parity ^ tff); } - else if( y == 0 ) + else { - /* BFF, so y0 = y1 */ - memcpy( &dst[plane][y*w], - &pv->yadif_ref[1][plane][1*ref_stride], - w * sizeof(uint8_t) ); - } - else if( y == 1 ) - { - /* TFF, so y1 = y0 */ - memcpy( &dst[plane][y*w], - &pv->yadif_ref[1][plane][0], - w * sizeof(uint8_t) ); - } - else if( y == penultimate ) - { - /* BFF, so penultimate y = ultimate y */ - memcpy( &dst[plane][y*w], - &pv->yadif_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->yadif_ref[1][plane][penultimate*ref_stride], - w * sizeof(uint8_t) ); + // parity == 0 (TFF), y1 = y0 + // parity == 1 (BFF), y0 = y1 + // parity == 0 (TFF), yu = yp + // parity == 1 (BFF), yp = yu + uint8_t *src = &pv->yadif_ref[1]->plane[pp].data[(yy^parity)*s]; + memcpy(dst2, src, w); } } else { /* Preserve this field unfiltered */ - memcpy( &dst[plane][y*w], - &pv->yadif_ref[1][plane][y*ref_stride], - w * sizeof(uint8_t) ); + memcpy(dst2, cur, w); } + dst2 += s; + prev += s; + cur += s; + next += s; } } @@ -348,10 +299,8 @@ report_completion: * * This function blocks until the frame is deinterlaced. */ -static void yadif_filter( uint8_t ** dst, - int parity, - int tff, - hb_filter_private_t * pv ) +static void yadif_filter( hb_filter_private_t * pv, + hb_buffer_t * dst, int parity, int tff) { int segment; @@ -380,14 +329,8 @@ static int hb_deinterlace_init( hb_filter_object_t * filter, filter->private_data = calloc( 1, sizeof(struct hb_filter_private_s) ); hb_filter_private_t * pv = filter->private_data; - pv->width[0] = hb_image_stride( init->pix_fmt, init->width, 0 ); - pv->height[0] = hb_image_height( init->pix_fmt, init->height, 0 ); - pv->width[1] = pv->width[2] = hb_image_stride( init->pix_fmt, init->width, 1 ); - pv->height[1] = pv->height[2] = hb_image_height( init->pix_fmt, init->height, 1 ); - - pv->buf_out[0] = hb_video_buffer_init( init->width, init->height ); - pv->buf_out[1] = hb_video_buffer_init( init->width, init->height ); - pv->buf_settings = hb_buffer_init( 0 ); + pv->width = init->width; + pv->height = init->height; pv->yadif_ready = 0; pv->yadif_mode = YADIF_MODE_DEFAULT; @@ -410,21 +353,6 @@ static int hb_deinterlace_init( hb_filter_object_t * filter, /* Allocate yadif specific buffers */ if( pv->yadif_mode & MODE_YADIF_ENABLE ) { - int i, j; - for( i = 0; i < 3; i++ ) - { - int is_chroma = !!i; - int w = ((init->width + 31) & (~31))>>is_chroma; - int h = ((init->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; - } - } - /* * Setup yadif taskset. */ @@ -436,17 +364,18 @@ static int hb_deinterlace_init( hb_filter_object_t * filter, hb_error( "yadif could not initialize taskset" ); } - for( i = 0; i < pv->cpu_count; i++ ) + int ii; + for( ii = 0; ii < pv->cpu_count; ii++ ) { yadif_thread_arg_t *thread_args; - thread_args = taskset_thread_args( &pv->yadif_taskset, i ); + thread_args = taskset_thread_args( &pv->yadif_taskset, ii ); thread_args->pv = pv; - thread_args->segment = i; - pv->yadif_arguments[i].dst = NULL; + thread_args->segment = ii; + pv->yadif_arguments[ii].dst = NULL; - if( taskset_thread_spawn( &pv->yadif_taskset, i, + if( taskset_thread_spawn( &pv->yadif_taskset, ii, "yadif_filter_segment", yadif_filter_thread, HB_NORMAL_PRIORITY ) == 0 ) @@ -471,35 +400,17 @@ static void hb_deinterlace_close( hb_filter_object_t * filter ) 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 & MODE_YADIF_ENABLE ) { - int i; - for( i = 0; i<3*3; i++ ) + taskset_fini( &pv->yadif_taskset ); + + int ii; + for(ii = 0; ii < 3; ii++) { - uint8_t **p = &pv->yadif_ref[i%3][i/3]; - if (*p) - { - free( *p - 3*pv->yadif_ref_stride[i/3] ); - *p = NULL; - } + hb_buffer_close(&pv->yadif_ref[ii]); } - taskset_fini( &pv->yadif_taskset ); free( pv->yadif_arguments ); } @@ -509,16 +420,39 @@ static void hb_deinterlace_close( hb_filter_object_t * filter ) filter->private_data = NULL; } +static hb_buffer_t * deint_fast(hb_buffer_t * in) +{ + AVPicture pic_in; + AVPicture pic_out; + hb_buffer_t * out; + + int w = (in->plane[0].width + 3) & ~0x3; + int h = (in->plane[0].height + 3) & ~0x3; + + out = hb_frame_buffer_init(in->f.fmt, in->f.width, in->f.height); + + hb_avpicture_fill( &pic_in, in ); + hb_avpicture_fill( &pic_out, out ); + + // avpicture_deinterlace requires 4 pixel aligned width and height + // we have aligned all buffers to 16 byte width and height strides + // so there is room in the buffers to accomodate a litte + // overscan. + avpicture_deinterlace(&pic_out, &pic_in, out->f.fmt, w, h); + + out->s = in->s; + hb_buffer_move_subs(out, in); + + return out; +} + static int hb_deinterlace_work( hb_filter_object_t * filter, hb_buffer_t ** buf_in, hb_buffer_t ** buf_out ) { - AVPicture pic_in; - AVPicture pic_out; hb_filter_private_t * pv = filter->private_data; hb_buffer_t * in = *buf_in; hb_buffer_t * last = NULL, * out = NULL; - uint8_t duplicate = 0; if ( in->size <= 0 ) { @@ -527,148 +461,109 @@ static int hb_deinterlace_work( hb_filter_object_t * filter, return HB_FILTER_DONE; } - do + /* Use libavcodec deinterlace if yadif_mode < 0 */ + if( !( pv->yadif_mode & MODE_YADIF_ENABLE ) ) { - hb_avpicture_fill( &pic_in, in ); - - /* Use libavcodec deinterlace if yadif_mode < 0 */ - if( !( pv->yadif_mode & MODE_YADIF_ENABLE ) ) - { - int width = (pv->buf_out[0]->plane[0].width + 3) & ~0x3; - int height = (pv->buf_out[0]->plane[0].height + 3) & ~0x3; - - hb_avpicture_fill( &pic_out, pv->buf_out[0] ); - - // avpicture_deinterlace requires 4 pixel aligned width and height - // we have aligned all buffers to 16 byte width and height strides - // so there is room in the buffers to accomodate a litte - // overscan. - avpicture_deinterlace( &pic_out, &pic_in, pv->buf_out[0]->f.fmt, - width, height ); + *buf_out = deint_fast(in); + return HB_FILTER_OK; + } - pv->buf_out[0]->s = in->s; - hb_buffer_move_subs( pv->buf_out[0], in ); + /* Store current frame in yadif cache */ + *buf_in = NULL; + yadif_store_ref(pv, in); - *buf_out = pv->buf_out[0]; + // yadif requires 3 buffers, prev, cur, and next. For the first + // frame, there can be no prev, so we duplicate the first frame. + if (!pv->yadif_ready) + { + // If yadif is not ready, store another ref and return HB_FILTER_DELAY + yadif_store_ref(pv, hb_buffer_dup(in)); + pv->yadif_ready = 1; + // Wait for next + return HB_FILTER_DELAY; + } - // Allocate a replacement for the buffer we just consumed - hb_buffer_t * b = pv->buf_out[0]; - pv->buf_out[0] = hb_video_buffer_init( b->f.width, b->f.height ); + /* Determine if top-field first layout */ + int tff; + if( pv->yadif_parity < 0 ) + { + tff = !!(in->s.flags & PIC_FLAG_TOP_FIELD_FIRST); + } + else + { + tff = (pv->yadif_parity & 1) ^ 1; + } - return HB_FILTER_OK; - } + /* deinterlace both fields if mcdeint is enabled without bob */ + int frame, num_frames = 1; + if ((pv->yadif_mode & MODE_YADIF_2PASS) || + (pv->yadif_mode & MODE_YADIF_BOB)) + { + num_frames = 2; + } - /* Determine if top-field first layout */ - int tff; - if( pv->yadif_parity < 0 ) - { - tff = !!(in->s.flags & PIC_FLAG_TOP_FIELD_FIRST); - } - else - { - tff = (pv->yadif_parity & 1) ^ 1; - } + // Will need up to 2 buffers simultaneously + int idx = 0; + hb_buffer_t * o_buf[2] = {NULL,}; - /* Store current frame in yadif cache */ - if (!duplicate) - { - yadif_store_ref( (const uint8_t**)pic_in.data, pv ); - } + /* Perform yadif and mcdeint filtering */ + for( frame = 0; frame < num_frames; frame++ ) + { + int parity = frame ^ tff ^ 1; - /* If yadif is not ready, store another ref and return HB_FILTER_DELAY */ - if( pv->yadif_ready == 0 ) + if (o_buf[idx] == NULL) { - yadif_store_ref( (const uint8_t**)pic_in.data, pv ); - - pv->buf_settings->s = in->s; - hb_buffer_move_subs( pv->buf_settings, in ); - - pv->yadif_ready = 1; - - return HB_FILTER_DELAY; + o_buf[idx] = hb_frame_buffer_init(in->f.fmt, in->f.width, in->f.height); } + yadif_filter(pv, o_buf[idx], parity, tff); - /* deinterlace both fields if mcdeint is enabled without bob */ - int frame, num_frames = 1; - if( ( pv->yadif_mode & MODE_YADIF_2PASS ) && - !( pv->yadif_mode & MODE_YADIF_BOB ) ) + if (pv->mcdeint_mode >= 0) { - num_frames = 2; + if (o_buf[idx^1] == NULL) + { + o_buf[idx^1] = hb_frame_buffer_init(in->f.fmt, in->f.width, in->f.height); + } + mcdeint_filter( o_buf[idx^1], o_buf[idx], parity, &pv->mcdeint ); + idx ^= 1; } - /* Perform yadif and mcdeint filtering */ - int out_frame; - hb_buffer_t * b; - for( frame = 0; frame < num_frames; frame++ ) + // If bob, add both frames + // else, add only second frame + if (( pv->yadif_mode & MODE_YADIF_BOB ) || frame == num_frames - 1) { - AVPicture pic_yadif_out; - int parity = frame ^ tff ^ 1 ^ duplicate; - - b = pv->buf_out[!(frame^1)]; - hb_avpicture_fill( &pic_yadif_out, b ); - - yadif_filter( pic_yadif_out.data, parity, tff, pv ); - - if( pv->mcdeint_mode >= 0 ) + if ( out == NULL ) { - b = pv->buf_out[(frame^1)]; - hb_avpicture_fill( &pic_out, b ); - - mcdeint_filter( pic_out.data, pic_yadif_out.data, parity, - pv->width, pv->height, &pv->mcdeint ); - - out_frame = (frame^1); + last = out = o_buf[idx]; } else { - out_frame = !(frame^1); + last->next = o_buf[idx]; + last = last->next; } - } - - // Add to list of output buffers (should be at most 2) - if ( out == NULL ) - { - last = out = pv->buf_out[out_frame]; - } - else - { - last->next = pv->buf_out[out_frame]; - last = last->next; - } + last->next = NULL; - // Allocate a replacement for the buffer we just consumed - b = pv->buf_out[out_frame]; - pv->buf_out[out_frame] = hb_video_buffer_init( b->f.width, b->f.height ); + // Indicate that buffer was consumed + o_buf[idx] = NULL; - /* Copy buffered settings to output buffer settings */ - last->s = pv->buf_settings->s; - - if ( !duplicate ) - { - hb_buffer_move_subs( last, pv->buf_settings ); + /* Copy buffered settings to output buffer settings */ + last->s = pv->yadif_ref[1]->s; + idx ^= 1; } + } + // Copy subs only to first output buffer + hb_buffer_move_subs( out, pv->yadif_ref[1] ); - /* if bob mode is engaged, halve the duration of the - * timestamp, and request a duplicate. */ - if( pv->yadif_mode & MODE_YADIF_BOB ) - { - if ( !duplicate ) - { - last->s.stop -= (last->s.stop - last->s.start) / 2LL; - duplicate = 1; - } - else - { - last->s.start = out->s.stop; - last->s.new_chap = 0; - duplicate = 0; - } - } - } while ( duplicate ); + hb_buffer_close(&o_buf[0]); + hb_buffer_close(&o_buf[1]); - /* Replace buffered settings with input buffer settings */ - pv->buf_settings->s = in->s; - hb_buffer_move_subs( pv->buf_settings, in ); + /* if bob mode is engaged, halve the duration of the + * timestamps. */ + if (pv->yadif_mode & MODE_YADIF_BOB) + { + out->s.stop -= (out->s.stop - out->s.start) / 2LL; + last->s.start = out->s.stop; + last->s.new_chap = 0; + } *buf_out = out; |