| 571 | | |
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| 572 | | /***************************************************************************** |
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| 573 | | * OpenDeinterlace: probe the filter and return score |
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| 574 | | *****************************************************************************/ |
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| 575 | | int E_(OpenDeinterlace)( vlc_object_t *p_this ) |
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| 576 | | { |
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| 577 | | filter_t *p_filter = (filter_t*)p_this; |
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| 578 | | filter_sys_t *p_sys; |
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| 579 | | |
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| 580 | | /* Check if we can handle that formats */ |
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| 581 | | if( E_(GetFfmpegChroma)( p_filter->fmt_in.video.i_chroma ) < 0 ) |
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| 582 | | { |
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| 583 | | return VLC_EGENERIC; |
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| 584 | | } |
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| 585 | | |
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| 586 | | /* Allocate the memory needed to store the decoder's structure */ |
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| 587 | | if( ( p_filter->p_sys = p_sys = |
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| 588 | | (filter_sys_t *)malloc(sizeof(filter_sys_t)) ) == NULL ) |
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| 589 | | { |
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| 590 | | msg_Err( p_filter, "out of memory" ); |
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| 591 | | return VLC_EGENERIC; |
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| 592 | | } |
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| 593 | | |
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| 594 | | /* Misc init */ |
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| 595 | | p_sys->i_src_ffmpeg_chroma = |
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| 596 | | E_(GetFfmpegChroma)( p_filter->fmt_in.video.i_chroma ); |
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| 597 | | p_filter->pf_video_filter = Deinterlace; |
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| 598 | | |
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| 599 | | msg_Dbg( p_filter, "deinterlacing" ); |
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| 600 | | |
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| 601 | | /* libavcodec needs to be initialized for some chroma conversions */ |
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| 602 | | E_(InitLibavcodec)(p_this); |
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| 603 | | |
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| 604 | | return VLC_SUCCESS; |
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| 605 | | } |
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| 606 | | |
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| 607 | | /***************************************************************************** |
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| 608 | | * CloseDeinterlace: clean up the filter |
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| 609 | | *****************************************************************************/ |
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| 610 | | void E_(CloseDeinterlace)( vlc_object_t *p_this ) |
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| 611 | | { |
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| 612 | | filter_t *p_filter = (filter_t*)p_this; |
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| 613 | | filter_sys_t *p_sys = p_filter->p_sys; |
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| 614 | | |
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| 615 | | free( p_sys ); |
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| 616 | | } |
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| 617 | | |
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| 618 | | /***************************************************************************** |
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| 619 | | * Do the processing here |
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| 620 | | *****************************************************************************/ |
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| 621 | | static picture_t *Deinterlace( filter_t *p_filter, picture_t *p_pic ) |
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| 622 | | { |
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| 623 | | filter_sys_t *p_sys = p_filter->p_sys; |
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| 624 | | AVPicture src_pic, dest_pic; |
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| 625 | | picture_t *p_pic_dst; |
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| 626 | | int i; |
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| 627 | | |
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| 628 | | /* Request output picture */ |
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| 629 | | p_pic_dst = p_filter->pf_vout_buffer_new( p_filter ); |
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| 630 | | if( !p_pic_dst ) |
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| 631 | | { |
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| 632 | | msg_Warn( p_filter, "can't get output picture" ); |
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| 633 | | return NULL; |
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| 634 | | } |
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| 635 | | |
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| 636 | | /* Prepare the AVPictures for the conversion */ |
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| 637 | | for( i = 0; i < p_pic->i_planes; i++ ) |
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| 638 | | { |
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| 639 | | src_pic.data[i] = p_pic->p[i].p_pixels; |
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| 640 | | src_pic.linesize[i] = p_pic->p[i].i_pitch; |
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| 641 | | } |
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| 642 | | for( i = 0; i < p_pic_dst->i_planes; i++ ) |
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| 643 | | { |
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| 644 | | dest_pic.data[i] = p_pic_dst->p[i].p_pixels; |
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| 645 | | dest_pic.linesize[i] = p_pic_dst->p[i].i_pitch; |
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| 646 | | } |
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| 647 | | |
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| 648 | | avpicture_deinterlace( &dest_pic, &src_pic, p_sys->i_src_ffmpeg_chroma, |
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| 649 | | p_filter->fmt_in.video.i_width, |
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| 650 | | p_filter->fmt_in.video.i_height ); |
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| 651 | | |
|---|
| 652 | | p_pic_dst->date = p_pic->date; |
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| 653 | | p_pic_dst->b_force = p_pic->b_force; |
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| 654 | | p_pic_dst->i_nb_fields = p_pic->i_nb_fields; |
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| 655 | | p_pic_dst->b_progressive = VLC_TRUE; |
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| 656 | | p_pic_dst->b_top_field_first = p_pic->b_top_field_first; |
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| 657 | | |
|---|
| 658 | | p_pic->pf_release( p_pic ); |
|---|
| 659 | | return p_pic_dst; |
|---|
| 660 | | } |
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