49 #define OFFSET(x) offsetof(SCDetContext, x) 50 #define V AV_OPT_FLAG_VIDEO_PARAM 51 #define F AV_OPT_FLAG_FILTERING_PARAM 96 for (
int plane = 0; plane < 4; plane++) {
128 for (
int plane = 0; plane < s->
nb_planes; plane++) {
138 mafd = (double)sad * 100. / count / (1ULL << s->
bitdepth);
140 ret = av_clipf(
FFMIN(mafd, diff), 0, 100.);
171 set_meta(s, frame,
"lavfi.scd.mafd", buf);
173 set_meta(s, frame,
"lavfi.scd.score", buf);
178 set_meta(s, frame,
"lavfi.scd.time",
218 .priv_class = &scdet_class,
int ff_inlink_consume_frame(AVFilterLink *link, AVFrame **rframe)
Take a frame from the link's FIFO and update the link's stats.
void(* ff_scene_sad_fn)(SCENE_SAD_PARAMS)
int av_image_get_linesize(enum AVPixelFormat pix_fmt, int width, int plane)
Compute the size of an image line with format pix_fmt and width width for the plane plane...
const AVPixFmtDescriptor * av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt)
This structure describes decoded (raw) audio or video data.
planar YUV 4:4:4, 24bpp, (1 Cr & Cb sample per 1x1 Y samples)
int av_pix_fmt_count_planes(enum AVPixelFormat pix_fmt)
Main libavfilter public API header.
packed RGB 8:8:8, 24bpp, RGBRGB...
ff_scene_sad_fn ff_scene_sad_get_fn(int depth)
int h
agreed upon image height
static const AVOption scdet_options[]
#define FFERROR_NOT_READY
Filters implementation helper functions.
static const AVFilterPad scdet_outputs[]
#define AV_PIX_FMT_YUV420P12
AVFILTER_DEFINE_CLASS(scdet)
const char * name
Pad name.
static av_cold void uninit(AVFilterContext *ctx)
AVFilterLink ** inputs
array of pointers to input links
int ff_filter_frame(AVFilterLink *link, AVFrame *frame)
Send a frame of data to the next filter.
AVComponentDescriptor comp[4]
Parameters that describe how pixels are packed.
timestamp utils, mostly useful for debugging/logging purposes
int64_t pts
Presentation timestamp in time_base units (time when frame should be shown to user).
packed ABGR 8:8:8:8, 32bpp, ABGRABGR...
planar YUV 4:4:0 full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV440P and setting color_range...
planar YUV 4:2:2, 16bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV422P and setting col...
AVDictionary * metadata
metadata.
#define AV_PIX_FMT_YUV422P12
static int query_formats(AVFilterContext *ctx)
#define FF_FILTER_FORWARD_STATUS_BACK(outlink, inlink)
Forward the status on an output link to an input link.
A filter pad used for either input or output.
A link between two filters.
uint8_t log2_chroma_h
Amount to shift the luma height right to find the chroma height.
#define AV_PIX_FMT_FLAG_RGB
The pixel format contains RGB-like data (as opposed to YUV/grayscale).
void av_frame_free(AVFrame **frame)
Free the frame and any dynamically allocated objects in it, e.g.
#define av_ts2timestr(ts, tb)
Convenience macro, the return value should be used only directly in function arguments but never stan...
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
packed BGRA 8:8:8:8, 32bpp, BGRABGRA...
void * priv
private data for use by the filter
AVRational time_base
Define the time base used by the PTS of the frames/samples which will pass through this link...
simple assert() macros that are a bit more flexible than ISO C assert().
#define AV_PIX_FMT_YUV444P10
static int activate(AVFilterContext *ctx)
packed RGBA 8:8:8:8, 32bpp, RGBARGBA...
planar YUV 4:2:2, 16bpp, (1 Cr & Cb sample per 2x1 Y samples)
int w
agreed upon image width
uint64_t flags
Combination of AV_PIX_FMT_FLAG_...
#define AV_PIX_FMT_YUV422P9
static int set_meta(SCDetContext *s, AVFrame *frame, const char *key, const char *value)
#define FF_FILTER_FORWARD_WANTED(outlink, inlink)
Forward the frame_wanted_out flag from an output link to an input link.
uint8_t nb_components
The number of components each pixel has, (1-4)
planar YUV 4:2:0, 12bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV420P and setting col...
packed RGB 8:8:8, 24bpp, BGRBGR...
static const AVFilterPad inputs[]
#define AV_PIX_FMT_YUV444P9
AVFrame * av_frame_clone(const AVFrame *src)
Create a new frame that references the same data as src.
static const AVFilterPad outputs[]
int format
agreed upon media format
static int config_input(AVFilterLink *inlink)
#define AV_LOG_INFO
Standard information.
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...
int av_dict_set(AVDictionary **pm, const char *key, const char *value, int flags)
Set the given entry in *pm, overwriting an existing entry.
#define AV_PIX_FMT_YUV420P10
Describe the class of an AVClass context structure.
const char * name
Filter name.
#define AV_PIX_FMT_YUV420P9
AVFilterLink ** outputs
array of pointers to output links
#define FF_FILTER_FORWARD_STATUS(inlink, outlink)
Acknowledge the status on an input link and forward it to an output link.
static enum AVPixelFormat pix_fmts[]
#define AV_PIX_FMT_YUV422P10
#define AV_PIX_FMT_YUV444P12
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
planar YUV 4:4:4, 24bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV444P and setting col...
static double get_scene_score(AVFilterContext *ctx, AVFrame *frame)
static av_always_inline int diff(const uint32_t a, const uint32_t b)
AVFilterContext * dst
dest filter
static const AVFilterPad scdet_inputs[]
planar YUV 4:4:0 (1 Cr & Cb sample per 1x2 Y samples)
int depth
Number of bits in the component.
AVPixelFormat
Pixel format.
#define AV_PIX_FMT_FLAG_PLANAR
At least one pixel component is not in the first data plane.