libavfilter/vf_yadif.c File Reference

#include "libavutil/cpu.h"
#include "libavutil/common.h"
#include "avfilter.h"
#include "yadif.h"
#include <assert.h>

Go to the source code of this file.

Data Structures
struct	YADIFContext
Defines
#define	CHECK(j)
Functions
static void	filter_line_c (uint8_t *dst, uint8_t *prev, uint8_t *cur, uint8_t *next, int w, int refs, int parity, int mode)
	CHECK (1)
	if (spatial_pred > d+diff) spatial_pred
else	if ()
static AVFilterBufferRef *	get_video_buffer (AVFilterLink *link, int perms, int w, int h)
static void	return_frame (AVFilterContext *ctx, int is_second)
static void	start_frame (AVFilterLink *link, AVFilterBufferRef *picref)
static void	end_frame (AVFilterLink *link)
static int	request_frame (AVFilterLink *link)
static int	poll_frame (AVFilterLink *link)
static av_cold void	uninit (AVFilterContext *ctx)
static int	query_formats (AVFilterContext *ctx)
static av_cold int	init (AVFilterContext *ctx, const char *args, void *opaque)
static void	null_draw_slice (AVFilterLink *link, int y, int h, int slice_dir)
Variables
AVFilter	avfilter_vf_yadif

---

Define Documentation

#define CHECK

(

j

)

Value:

{   int score = FFABS(cur[-refs-1+j] - cur[+refs-1-j])\
                  + FFABS(cur[-refs  +j] - cur[+refs  -j])\
                  + FFABS(cur[-refs+1+j] - cur[+refs+1-j]);\
        if (score < spatial_score) {\
            spatial_score= score;\
            spatial_pred= (cur[-refs  +j] + cur[+refs  -j])>>1;\

Referenced by CHECK(), and filter_line_c().

---

Function Documentation

CHECK

(

1

)

Definition at line 84 of file vf_yadif.c.

static void end_frame

(

AVFilterLink *

link

)

[static]

Definition at line 230 of file vf_yadif.c.

static void filter_line_c	(	uint8_t *	dst,
		uint8_t *	prev,
		uint8_t *	cur,
		uint8_t *	next,
		int	w,
		int	refs,
		int	parity,
		int	mode
	)			[static]

Definition at line 56 of file vf_yadif.c.

Referenced by init().

static AVFilterBufferRef* get_video_buffer	(	AVFilterLink *	link,
		int	perms,
		int	w,
		int	h
	)			[static]

Definition at line 148 of file vf_yadif.c.

else if

(

)

Definition at line 104 of file vf_yadif.c.

if	(	spatial_pred	,
		d+	diff
	)

Referenced by aac_decode_frame_int(), aac_encode_frame(), ape_decode_value(), ape_read_header(), av_ext2dbl(), avcodec_default_reget_buffer(), average_quantized_coeffs(), avs_decode_frame(), blend_subrect(), cavs_decode_frame(), cavsvideo_probe(), check_header_mismatch(), cmv_decode_inter(), commit_bitstream_and_slice_buffer(), compute_pkt_fields(), construct_perm_table(), cook_decode_frame(), dca_decode_init(), decode_end(), decode_exp_vlc(), decode_frame(), decode_frame_mp3on4(), decode_init(), decode_thread(), draw_slice(), dv_extract_audio(), dv_inject_audio(), dvvideo_decode_frame(), dvvideo_init(), ebml_parse_elem(), encode_frame(), ff_mjpeg_decode_sos(), ff_vdpau_mpeg_picture_complete(), ff_vdpau_vc1_decode_picture(), ff_vp56_init(), ff_xvmc_decode_mb(), ff_xvmc_field_start(), FfmpegFindNextSchroParseUnit(), file_seek(), fill_picture_parameters(), flashsv_decode_frame(), g726_init(), get_block_sizes(), h263_probe(), h264_probe(), hyscale_TMPL(), imc_decode_frame(), ipvideo_decode_block_opcode_0x8(), ipvideo_decode_block_opcode_0xA(), ipvideo_decode_frame(), libdirac_encode_init(), main(), matroska_probe(), mlp_parse(), mm_decode_inter(), mmsh_close(), motion_search(), mov_parse_mpeg2_frame(), mpeg1_encode_sequence_header(), mpeg4_encode_mb(), mpeg4video_probe(), mpeg_mux_init(), mpegps_probe(), mpegvideo_probe(), MPV_common_init(), msrle_decode_8_16_24_32(), mxf_interleave_get_packet(), mxf_parse_mpeg2_frame(), nut_probe(), nut_read_seek(), ogg_read_page(), opt_input_file(), pam_encode_frame(), pnm_decode_frame(), pnm_encode_frame(), qdm2_decode(), qdm2_fft_tone_synthesizer(), qtrle_decode_1bpp(), read_header(), read_var_block_data(), rpza_decode_stream(), rtsp_read_packet(), sbr_hf_calc_npatches(), sbr_make_f_master(), shorten_decode_frame(), smc_decode_stream(), sonic_decode_frame(), sonic_encode_frame(), store_packet(), svq3_decode_frame(), svq3_mc_dir(), synth_block_fcb_acb(), synth_superframe(), tgv_decode_inter(), tm2_decode_blocks(), transcode(), unpack_superblocks(), unpack_vlcs(), vaapi_mpeg4_start_frame(), vc1_decode_b_mb(), vorbis_parse_setup_hdr_codebooks(), vp8_decode_frame(), wiener_denoise(), wsvqa_read_header(), XAVS_init(), and yuv4_write_packet().

static av_cold int init	(	AVFilterContext *	ctx,
		const char *	args,
		void *	opaque
	)			[static]

Definition at line 303 of file vf_yadif.c.

static void null_draw_slice	(	AVFilterLink *	link,
		int	y,
		int	h,
		int	slice_dir
	)			[static]

Definition at line 326 of file vf_yadif.c.

static int poll_frame

(

AVFilterLink *

link

)

[static]

Definition at line 261 of file vf_yadif.c.

static int query_formats

(

AVFilterContext *

ctx

)

[static]

Definition at line 290 of file vf_yadif.c.

static int request_frame

(

AVFilterLink *

link

)

[static]

Definition at line 241 of file vf_yadif.c.

static void return_frame	(	AVFilterContext *	ctx,
		int	is_second
	)			[static]

Definition at line 166 of file vf_yadif.c.

Referenced by end_frame(), request_frame(), and start_frame().

static void start_frame	(	AVFilterLink *	link,
		AVFilterBufferRef *	picref
	)			[static]

Definition at line 202 of file vf_yadif.c.

static av_cold void uninit

(

AVFilterContext *

ctx

)

[static]

Definition at line 281 of file vf_yadif.c.

---

Variable Documentation

AVFilter avfilter_vf_yadif

Initial value:

 {
    .name          = "yadif",
    .description   = NULL_IF_CONFIG_SMALL("Deinterlace the input image"),

    .priv_size     = sizeof(YADIFContext),
    .init          = init,
    .uninit        = uninit,
    .query_formats = query_formats,

    .inputs    = (AVFilterPad[]) {{ .name             = "default",
                                    .type             = AVMEDIA_TYPE_VIDEO,
                                    .start_frame      = start_frame,
                                    .get_video_buffer = get_video_buffer,
                                    .draw_slice       = null_draw_slice,
                                    .end_frame        = end_frame, },
                                  { .name = NULL}},

    .outputs   = (AVFilterPad[]) {{ .name             = "default",
                                    .type             = AVMEDIA_TYPE_VIDEO,
                                    .poll_frame       = poll_frame,
                                    .request_frame    = request_frame, },
                                  { .name = NULL}},
}

Definition at line 328 of file vf_yadif.c.