36 #define OFFSET(x) offsetof(TInterlaceContext, x)
37 #define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM
77 #define FULL_SCALE_YUVJ_FORMATS \
78 AV_PIX_FMT_YUVJ420P, AV_PIX_FMT_YUVJ422P, AV_PIX_FMT_YUVJ444P, AV_PIX_FMT_YUVJ440P
113 ptrdiff_t mref, ptrdiff_t pref,
int clip_max)
115 const uint8_t *srcp_above = srcp + mref;
116 const uint8_t *srcp_below = srcp + pref;
122 dstp[
i] = (1 + srcp[
i] + srcp[
i] + srcp_above[
i] + srcp_below[
i]) >> 2;
127 ptrdiff_t mref, ptrdiff_t pref,
int clip_max)
129 uint16_t *dstp = (uint16_t *)dst8;
130 const uint16_t *srcp = (
const uint16_t *)src8;
131 const uint16_t *srcp_above = srcp + mref / 2;
132 const uint16_t *srcp_below = srcp + pref / 2;
145 ptrdiff_t mref, ptrdiff_t pref,
int clip_max)
147 const uint8_t *srcp_above = srcp + mref;
148 const uint8_t *srcp_below = srcp + pref;
149 const uint8_t *srcp_above2 = srcp + mref * 2;
150 const uint8_t *srcp_below2 = srcp + pref * 2;
151 int i, src_x, src_ab;
156 src_x = srcp[
i] << 1;
157 src_ab = srcp_above[
i] + srcp_below[
i];
159 - srcp_above2[
i] - srcp_below2[
i]) >> 3);
163 if (src_ab > src_x) {
164 if (dstp[
i] < srcp[
i])
166 }
else if (dstp[
i] > srcp[
i])
172 ptrdiff_t mref, ptrdiff_t pref,
int clip_max)
174 uint16_t *dstp = (uint16_t *)dst8;
175 const uint16_t *srcp = (
const uint16_t *)src8;
176 const uint16_t *srcp_above = srcp + mref / 2;
177 const uint16_t *srcp_below = srcp + pref / 2;
178 const uint16_t *srcp_above2 = srcp + mref;
179 const uint16_t *srcp_below2 = srcp + pref;
180 int i, dst_le, src_le, src_x, src_ab;
188 dst_le =
av_clip((4 + ((src_le + src_x + src_ab) << 1)
194 if (src_ab > src_x) {
199 }
else if (dst_le > src_le) {
223 tinterlace->
vsub =
desc->log2_chroma_h;
224 outlink->
w = inlink->
w;
226 inlink->
h*2 : inlink->
h;
232 uint8_t black[4] = { 0, 0, 0, 16 };
239 outlink->
w, outlink->
h, outlink->
format, 16);
294 inlink->
h, outlink->
h);
299 #define FIELD_UPPER 0
300 #define FIELD_LOWER 1
301 #define FIELD_UPPER_AND_LOWER 2
314 uint8_t *dst[4],
int dst_linesize[4],
322 int plane, vsub =
desc->log2_chroma_h;
326 for (plane = 0; plane <
desc->nb_components; plane++) {
327 int lines = plane == 1 || plane == 2 ?
AV_CEIL_RSHIFT(src_h, vsub) : src_h;
331 int srcp_linesize = src_linesize[plane] * k;
332 int dstp_linesize = dst_linesize[plane] * (
interleave ? 2 : 1);
333 int clip_max = (1 << tinterlace->
csp->
comp[plane].
depth) - 1;
337 srcp += src_linesize[plane];
339 dstp += dst_linesize[plane];
345 for (
h = lines;
h > 0;
h--) {
346 ptrdiff_t pref = src_linesize[plane];
347 ptrdiff_t mref = -pref;
348 if (
h >= (lines - x)) mref = 0;
349 else if (
h <= (1 + x)) pref = 0;
351 tinterlace->
lowpass_line(dstp, cols, srcp, mref, pref, clip_max);
352 dstp += dstp_linesize;
353 srcp += srcp_linesize;
372 tinterlace->
cur = tinterlace->
next;
373 tinterlace->
next = picref;
375 cur = tinterlace->
cur;
376 next = tinterlace->
next;
378 if (!tinterlace->
cur)
381 switch (tinterlace->
mode) {
390 out->height = outlink->
h;
391 out->interlaced_frame = 1;
392 out->top_field_first = 1;
398 inlink->
format, inlink->
w, inlink->
h,
403 inlink->
format, inlink->
w, inlink->
h,
423 out->height = outlink->
h;
430 inlink->
format, inlink->
w, inlink->
h,
435 inlink->
format, inlink->
w, inlink->
h,
445 "video is already interlaced, adjusting framerate only\n");
458 out->interlaced_frame = 1;
459 out->top_field_first = tff;
464 inlink->
format, inlink->
w, inlink->
h,
469 (
const uint8_t **)next->data, next->linesize,
470 inlink->
format, inlink->
w, inlink->
h,
480 out->interlaced_frame = 1;
489 tff = next->top_field_first;
494 out->interlaced_frame = 1;
495 out->top_field_first = !tff;
498 out->pts = cur->
pts + next->pts;
504 inlink->
format, inlink->
w, inlink->
h,
509 (
const uint8_t **)next->data, next->linesize,
510 inlink->
format, inlink->
w, inlink->
h,
559 .
name =
"tinterlace",
566 .priv_class = &tinterlace_class,
579 .priv_class = &interlace_class,
static const AVFilterPad inputs[]
static const AVFilterPad outputs[]
static const char *const format[]
simple assert() macros that are a bit more flexible than ISO C assert().
#define av_assert0(cond)
assert() equivalent, that is always enabled.
int ff_filter_frame(AVFilterLink *link, AVFrame *frame)
Send a frame of data to the next filter.
Main libavfilter public API header.
static av_cold int init(AVCodecContext *avctx)
#define flags(name, subs,...)
#define AV_CEIL_RSHIFT(a, b)
static av_always_inline void RENAME() interleave(TYPE *dst, TYPE *src0, TYPE *src1, int w2, int add, int shift)
int ff_draw_init(FFDrawContext *draw, enum AVPixelFormat format, unsigned flags)
Init a draw context.
void ff_draw_color(FFDrawContext *draw, FFDrawColor *color, const uint8_t rgba[4])
Prepare a color.
void ff_fill_rectangle(FFDrawContext *draw, FFDrawColor *color, uint8_t *dst[], int dst_linesize[], int dst_x, int dst_y, int w, int h)
Fill a rectangle with an uniform color.
mode
Use these values in ebur128_init (or'ed).
AVFrame * av_frame_clone(const AVFrame *src)
Create a new frame that references the same data as src.
void av_frame_free(AVFrame **frame)
Free the frame and any dynamically allocated objects in it, e.g.
int av_frame_copy_props(AVFrame *dst, const AVFrame *src)
Copy only "metadata" fields from src to dst.
#define AV_LOG_WARNING
Something somehow does not look correct.
#define AV_LOG_VERBOSE
Detailed information.
AVRational av_mul_q(AVRational b, AVRational c)
Multiply two rationals.
static AVRational av_make_q(int num, int den)
Create an AVRational.
static int av_cmp_q(AVRational a, AVRational b)
Compare two rationals.
int64_t av_rescale_q(int64_t a, AVRational bq, AVRational cq)
Rescale a 64-bit integer by 2 rational numbers.
void av_image_copy_plane(uint8_t *dst, int dst_linesize, const uint8_t *src, int src_linesize, int bytewidth, int height)
Copy image plane from src to dst.
int av_image_alloc(uint8_t *pointers[4], int linesizes[4], int w, int h, enum AVPixelFormat pix_fmt, int align)
Allocate an image with size w and h and pixel format pix_fmt, and fill pointers and linesizes accordi...
#define AV_NOPTS_VALUE
Undefined timestamp value.
common internal API header
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification.
static enum AVPixelFormat pix_fmts[]
const AVPixFmtDescriptor * av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt)
AVPixelFormat
Pixel format.
@ AV_PIX_FMT_YUV420P
planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
@ AV_PIX_FMT_YUV440P
planar YUV 4:4:0 (1 Cr & Cb sample per 1x2 Y samples)
@ AV_PIX_FMT_YUVA444P10LE
planar YUV 4:4:4 40bpp, (1 Cr & Cb sample per 1x1 Y & A samples, little-endian)
@ AV_PIX_FMT_YUV422P
planar YUV 4:2:2, 16bpp, (1 Cr & Cb sample per 2x1 Y samples)
@ AV_PIX_FMT_GRAY8
Y , 8bpp.
@ AV_PIX_FMT_YUVA420P10LE
planar YUV 4:2:0 25bpp, (1 Cr & Cb sample per 2x2 Y & A samples, little-endian)
@ AV_PIX_FMT_YUVA420P
planar YUV 4:2:0, 20bpp, (1 Cr & Cb sample per 2x2 Y & A samples)
@ AV_PIX_FMT_YUVA422P10LE
planar YUV 4:2:2 30bpp, (1 Cr & Cb sample per 2x1 Y & A samples, little-endian)
@ AV_PIX_FMT_YUV420P10LE
planar YUV 4:2:0, 15bpp, (1 Cr & Cb sample per 2x2 Y samples), little-endian
@ AV_PIX_FMT_YUV410P
planar YUV 4:1:0, 9bpp, (1 Cr & Cb sample per 4x4 Y samples)
@ AV_PIX_FMT_YUV411P
planar YUV 4:1:1, 12bpp, (1 Cr & Cb sample per 4x1 Y samples)
@ AV_PIX_FMT_YUV422P12LE
planar YUV 4:2:2,24bpp, (1 Cr & Cb sample per 2x1 Y samples), little-endian
@ AV_PIX_FMT_YUV440P12LE
planar YUV 4:4:0,24bpp, (1 Cr & Cb sample per 1x2 Y samples), little-endian
@ AV_PIX_FMT_YUV444P
planar YUV 4:4:4, 24bpp, (1 Cr & Cb sample per 1x1 Y samples)
@ AV_PIX_FMT_YUVA444P
planar YUV 4:4:4 32bpp, (1 Cr & Cb sample per 1x1 Y & A samples)
@ AV_PIX_FMT_YUV420P12LE
planar YUV 4:2:0,18bpp, (1 Cr & Cb sample per 2x2 Y samples), little-endian
@ AV_PIX_FMT_YUV422P10LE
planar YUV 4:2:2, 20bpp, (1 Cr & Cb sample per 2x1 Y samples), little-endian
@ AV_PIX_FMT_YUVA422P
planar YUV 4:2:2 24bpp, (1 Cr & Cb sample per 2x1 Y & A samples)
@ AV_PIX_FMT_YUV440P10LE
planar YUV 4:4:0,20bpp, (1 Cr & Cb sample per 1x2 Y samples), little-endian
@ AV_PIX_FMT_YUV444P10LE
planar YUV 4:4:4, 30bpp, (1 Cr & Cb sample per 1x1 Y samples), little-endian
@ AV_PIX_FMT_YUV444P12LE
planar YUV 4:4:4,36bpp, (1 Cr & Cb sample per 1x1 Y samples), little-endian
#define FF_ARRAY_ELEMS(a)
int depth
Number of bits in the component.
AVFilterLink ** inputs
array of pointers to input links
A link between two filters.
int w
agreed upon image width
int h
agreed upon image height
AVFilterContext * src
source filter
int64_t frame_count_in
Number of past frames sent through the link.
AVRational time_base
Define the time base used by the PTS of the frames/samples which will pass through this link.
AVRational sample_aspect_ratio
agreed upon sample aspect ratio
AVRational frame_rate
Frame rate of the stream on the link, or 1/0 if unknown or variable; if left to 0/0,...
AVFilterContext * dst
dest filter
int format
agreed upon media format
A filter pad used for either input or output.
const char * name
Pad name.
const char * name
Filter name.
This structure describes decoded (raw) audio or video data.
int64_t pts
Presentation timestamp in time_base units (time when frame should be shown to user).
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
AVRational sample_aspect_ratio
Sample aspect ratio for the video frame, 0/1 if unknown/unspecified.
int interlaced_frame
The content of the picture is interlaced.
int linesize[AV_NUM_DATA_POINTERS]
For video, size in bytes of each picture line.
Descriptor that unambiguously describes how the bits of a pixel are stored in the up to 4 data planes...
AVComponentDescriptor comp[4]
Parameters that describe how pixels are packed.
Rational number (pair of numerator and denominator).
union FFDrawColor::@204 comp[MAX_PLANES]
AVRational preout_time_base
const AVPixFmtDescriptor * csp
void(* lowpass_line)(uint8_t *dstp, ptrdiff_t width, const uint8_t *srcp, ptrdiff_t mref, ptrdiff_t pref, int clip_max)
int flags
flags affecting interlacing algorithm
int lowpass
legacy interlace filter lowpass mode
int vsub
chroma vertical subsampling
int mode
TInterlaceMode, interlace mode selected.
uint8_t * black_data[4]
buffer used to fill padded lines
temporal field interlace filter, ported from MPlayer/libmpcodecs
#define TINTERLACE_FLAG_BYPASS_IL
#define TINTERLACE_FLAG_EXACT_TB
void ff_tinterlace_init_x86(TInterlaceContext *interlace)
#define TINTERLACE_FLAG_VLPF
#define TINTERLACE_FLAG_CVLPF
static enum AVPixelFormat full_scale_yuvj_pix_fmts[]
static int init_interlace(AVFilterContext *ctx)
#define FULL_SCALE_YUVJ_FORMATS
AVFilter ff_vf_tinterlace
static void copy_picture_field(TInterlaceContext *tinterlace, uint8_t *dst[4], int dst_linesize[4], const uint8_t *src[4], int src_linesize[4], enum AVPixelFormat format, int w, int src_h, int src_field, int interleave, int dst_field, int flags)
Copy picture field from src to dst.
#define FIELD_UPPER_AND_LOWER
static const AVOption tinterlace_options[]
static void lowpass_line_c(uint8_t *dstp, ptrdiff_t width, const uint8_t *srcp, ptrdiff_t mref, ptrdiff_t pref, int clip_max)
static void lowpass_line_complex_c(uint8_t *dstp, ptrdiff_t width, const uint8_t *srcp, ptrdiff_t mref, ptrdiff_t pref, int clip_max)
static const AVRational standard_tbs[]
static const AVOption interlace_options[]
static int query_formats(AVFilterContext *ctx)
static void lowpass_line_c_16(uint8_t *dst8, ptrdiff_t width, const uint8_t *src8, ptrdiff_t mref, ptrdiff_t pref, int clip_max)
static av_cold void uninit(AVFilterContext *ctx)
static void lowpass_line_complex_c_16(uint8_t *dst8, ptrdiff_t width, const uint8_t *src8, ptrdiff_t mref, ptrdiff_t pref, int clip_max)
static const AVFilterPad tinterlace_inputs[]
static const AVFilterPad tinterlace_outputs[]
AVFILTER_DEFINE_CLASS(tinterlace)
static int config_out_props(AVFilterLink *outlink)
static int filter_frame(AVFilterLink *inlink, AVFrame *picref)
AVFrame * ff_get_video_buffer(AVFilterLink *link, int w, int h)
Request a picture buffer with a specific set of permissions.