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41 int jobnr,
int nb_jobs);
43 int jobnr,
int nb_jobs);
48 const float beta = 0.6f;
55 const float tmp = (1.f - x) / (1.
f - beta);
69 const int cx = x >> subw; \
70 float y = yptr[x] * imax; \
71 float u = uptr[cx] * imax - .5f; \
72 float v = vptr[cx] * imax - .5f; \
75 ny = filter(b, r, u, v, size); \
77 t = tt + (1.f - tt) * ihigh; \
78 ny = (1.f - t) * y + t * ny * y;
84 const int depth =
s->depth;
85 const int subw =
s->subw;
86 const int subh =
s->subh;
87 const float max = (1 << depth) - 1;
88 const float imax = 1.f /
max;
91 const int slice_start = (
height * jobnr) / nb_jobs;
93 const int ylinesize =
frame->linesize[0];
94 const int ulinesize =
frame->linesize[1];
95 const int vlinesize =
frame->linesize[2];
96 uint8_t *yptr =
frame->data[0] + slice_start * ylinesize;
97 const float ihigh = 1.f -
s->high;
98 const float size = 1.f /
s->size;
99 const float b =
s->b * .5f;
100 const float r =
s->r * .5f;
102 for (
int y = slice_start; y <
slice_end; y++) {
103 const int cy = y >> subh;
107 for (
int x = 0; x <
width; x++) {
123 const int depth =
s->depth;
124 const int subw =
s->subw;
125 const int subh =
s->subh;
126 const float max = (1 << depth) - 1;
127 const float imax = 1.f /
max;
130 const int slice_start = (
height * jobnr) / nb_jobs;
132 const int ylinesize =
frame->linesize[0] / 2;
133 const int ulinesize =
frame->linesize[1] / 2;
134 const int vlinesize =
frame->linesize[2] / 2;
135 uint16_t *yptr = (uint16_t *)
frame->data[0] + slice_start * ylinesize;
136 const float ihigh = 1.f -
s->high;
137 const float size = 1.f /
s->size;
138 const float b =
s->b * .5f;
139 const float r =
s->r * .5f;
142 const int cy = y >> subh;
143 uint16_t *uptr = (uint16_t *)
frame->data[1] + cy * ulinesize;
144 uint16_t *vptr = (uint16_t *)
frame->data[2] + cy * vlinesize;
146 for (
int x = 0; x <
width; x++) {
162 const int depth =
s->depth;
163 const int half = 1 << (depth - 1);
164 const int subw =
s->subw;
165 const int subh =
s->subh;
168 const int slice_start = (
height * jobnr) / nb_jobs;
170 const int ulinesize =
frame->linesize[1];
171 const int vlinesize =
frame->linesize[2];
173 for (
int y = slice_start; y <
slice_end; y++) {
188 const int depth =
s->depth;
189 const int half = 1 << (depth - 1);
190 const int subw =
s->subw;
191 const int subh =
s->subh;
194 const int slice_start = (
height * jobnr) / nb_jobs;
196 const int ulinesize =
frame->linesize[1] / 2;
197 const int vlinesize =
frame->linesize[2] / 2;
199 for (
int y = slice_start; y <
slice_end; y++) {
200 uint16_t *uptr = (uint16_t *)
frame->data[1] + y * ulinesize;
201 uint16_t *vptr = (uint16_t *)
frame->data[2] + y * vlinesize;
203 for (
int x = 0; x <
width; x++) {
263 s->depth =
desc->comp[0].depth;
266 s->subw =
desc->log2_chroma_w;
267 s->subh =
desc->log2_chroma_h;
291 #define OFFSET(x) offsetof(MonochromeContext, x)
292 #define VF AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_RUNTIME_PARAM
305 .
name =
"monochrome",
308 .priv_class = &monochrome_class,
static const AVFilterPad monochrome_outputs[]
#define AV_PIX_FMT_YUVA422P16
int(* clear_uv)(AVFilterContext *s, void *arg, int jobnr, int nb_jobs)
AVPixelFormat
Pixel format.
Filter the word “frame” indicates either a video frame or a group of audio as stored in an AVFrame structure Format for each input and each output the list of supported formats For video that means pixel format For audio that means channel sample they are references to shared objects When the negotiation mechanism computes the intersection of the formats supported at each end of a all references to both lists are replaced with a reference to the intersection And when a single format is eventually chosen for a link amongst the remaining all references to the list are updated That means that if a filter requires that its input and output have the same format amongst a supported all it has to do is use a reference to the same list of formats query_formats can leave some formats unset and return AVERROR(EAGAIN) to cause the negotiation mechanism toagain later. That can be used by filters with complex requirements to use the format negotiated on one link to set the formats supported on another. Frame references ownership and permissions
#define u(width, name, range_min, range_max)
int ff_filter_frame(AVFilterLink *link, AVFrame *frame)
Send a frame of data to the next filter.
const AVPixFmtDescriptor * av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt)
The exact code depends on how similar the blocks are and how related they are to the and needs to apply these operations to the correct inlink or outlink if there are several Macros are available to factor that when no extra processing is inlink
#define AV_PIX_FMT_YUVA422P9
This structure describes decoded (raw) audio or video data.
static av_always_inline av_const unsigned av_clip_uintp2_c(int a, int p)
Clip a signed integer to an unsigned power of two range.
#define AV_PIX_FMT_YUVA420P16
#define AV_PIX_FMT_YUVA420P10
static int monochrome_slice8(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
#define AV_PIX_FMT_YUV420P10
static uint8_t half(int a, int b)
static av_cold int query_formats(AVFilterContext *ctx)
@ AV_PIX_FMT_YUV440P
planar YUV 4:4:0 (1 Cr & Cb sample per 1x2 Y samples)
const char * name
Filter name.
AVFormatInternal * internal
An opaque field for libavformat internal usage.
A link between two filters.
#define AV_PIX_FMT_YUVA422P10
#define AV_PIX_FMT_YUVA420P9
#define AV_PIX_FMT_YUVA444P16
#define AV_PIX_FMT_YUV422P9
static __device__ float fabsf(float a)
A filter pad used for either input or output.
#define AV_PIX_FMT_YUV444P10
@ AV_PIX_FMT_YUVJ411P
planar YUV 4:1:1, 12bpp, (1 Cr & Cb sample per 4x1 Y samples) full scale (JPEG), deprecated in favor ...
#define AV_PIX_FMT_YUV422P16
@ AV_PIX_FMT_YUVJ422P
planar YUV 4:2:2, 16bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV422P and setting col...
@ AV_PIX_FMT_YUVA420P
planar YUV 4:2:0, 20bpp, (1 Cr & Cb sample per 2x2 Y & A samples)
#define AV_PIX_FMT_YUV444P16
#define AV_CEIL_RSHIFT(a, b)
static int slice_end(AVCodecContext *avctx, AVFrame *pict)
Handle slice ends.
static const AVFilterPad outputs[]
#define AV_PIX_FMT_YUVA444P12
#define AV_PIX_FMT_YUV420P9
#define AV_PIX_FMT_YUV420P16
static int filter_frame(AVFilterLink *inlink, AVFrame *frame)
@ AV_PIX_FMT_YUV420P
planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
@ AV_PIX_FMT_YUVJ444P
planar YUV 4:4:4, 24bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV444P and setting col...
Describe the class of an AVClass context structure.
@ AV_PIX_FMT_YUVJ420P
planar YUV 4:2:0, 12bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV420P and setting col...
#define AV_PIX_FMT_YUV440P10
#define AV_PIX_FMT_YUV422P10
these buffered frames must be flushed immediately if a new input produces new the filter must not call request_frame to get more It must just process the frame or queue it The task of requesting more frames is left to the filter s request_frame method or the application If a filter has several inputs
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification.
static int process_command(AVFilterContext *ctx, const char *cmd, const char *args, char *res, int res_len, int flags)
#define AV_PIX_FMT_YUV422P12
#define AV_PIX_FMT_YUV444P12
int(* do_slice)(AVFilterContext *s, void *arg, int jobnr, int nb_jobs)
int ff_filter_process_command(AVFilterContext *ctx, const char *cmd, const char *arg, char *res, int res_len, int flags)
Generic processing of user supplied commands that are set in the same way as the filter options.
@ AV_PIX_FMT_YUVA444P
planar YUV 4:4:4 32bpp, (1 Cr & Cb sample per 1x1 Y & A samples)
#define AV_PIX_FMT_YUVA444P10
static const AVFilterPad monochrome_inputs[]
static av_cold int config_input(AVFilterLink *inlink)
#define AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC
Some filters support a generic "enable" expression option that can be used to enable or disable a fil...
static float envelope(const float x)
int ff_filter_get_nb_threads(AVFilterContext *ctx)
Get number of threads for current filter instance.
static const AVOption monochrome_options[]
@ AV_PIX_FMT_YUVJ440P
planar YUV 4:4:0 full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV440P and setting color_range
const char * name
Pad name.
#define AV_PIX_FMT_YUV444P9
static float filter(float b, float r, float u, float v, float size)
static int clear_slice8(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
these buffered frames must be flushed immediately if a new input produces new the filter must not call request_frame to get more It must just process the frame or queue it The task of requesting more frames is left to the filter s request_frame method or the application If a filter has several the filter must be ready for frames arriving randomly on any input any filter with several inputs will most likely require some kind of queuing mechanism It is perfectly acceptable to have a limited queue and to drop frames when the inputs are too unbalanced request_frame For filters that do not use the this method is called when a frame is wanted on an output For a it should directly call filter_frame on the corresponding output For a if there are queued frames already one of these frames should be pushed If the filter should request a frame on one of its repeatedly until at least one frame has been pushed Return or at least make progress towards producing a frame
#define AV_PIX_FMT_YUVA444P9
#define AV_PIX_FMT_YUV420P12
#define AV_PIX_FMT_YUV422P14
#define AV_PIX_FMT_YUVA422P12
AVFilter ff_vf_monochrome
@ AV_PIX_FMT_YUV444P
planar YUV 4:4:4, 24bpp, (1 Cr & Cb sample per 1x1 Y samples)
#define AVFILTER_FLAG_SLICE_THREADS
The filter supports multithreading by splitting frames into multiple parts and processing them concur...
@ AV_PIX_FMT_YUV422P
planar YUV 4:2:2, 16bpp, (1 Cr & Cb sample per 2x1 Y samples)
Descriptor that unambiguously describes how the bits of a pixel are stored in the up to 4 data planes...
static int monochrome_slice16(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
@ AV_PIX_FMT_YUV411P
planar YUV 4:1:1, 12bpp, (1 Cr & Cb sample per 4x1 Y samples)
#define flags(name, subs,...)
@ AV_PIX_FMT_YUV410P
planar YUV 4:1:0, 9bpp, (1 Cr & Cb sample per 4x4 Y samples)
#define AV_PIX_FMT_YUV440P12
static int clear_slice16(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
#define AV_PIX_FMT_YUV444P14
@ AV_PIX_FMT_YUVA422P
planar YUV 4:2:2 24bpp, (1 Cr & Cb sample per 2x1 Y & A samples)
#define AV_PIX_FMT_YUV420P14
AVFILTER_DEFINE_CLASS(monochrome)