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37 #define OFFSET(x) offsetof(ThresholdContext, x)
38 #define FLAGS AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_RUNTIME_PARAM
87 for (
int p = 0; p <
s->nb_planes; p++) {
88 const int h =
s->height[p];
89 const int slice_start = (
h * jobnr) / nb_jobs;
90 const int slice_end = (
h * (jobnr+1)) / nb_jobs;
92 if (!(
s->planes & (1 << p))) {
102 threshold->
data[p] + slice_start * threshold->
linesize[p],
103 min->data[p] + slice_start *
min->linesize[p],
104 max->data[p] + slice_start *
max->linesize[p],
105 out->data[p] + slice_start *
out->linesize[p],
107 min->linesize[p],
max->linesize[p],
130 if (
ctx->is_disabled) {
142 td.threshold = threshold;
164 vsub =
desc->log2_chroma_h;
166 s->height[0] =
s->height[3] =
inlink->h;
168 s->width[0] =
s->width[3] =
inlink->w;
169 s->depth =
desc->comp[0].depth;
187 if (
base->w != threshold->
w ||
188 base->h != threshold->
h ||
194 "(size %dx%d) do not match the corresponding "
195 "second input link %s parameters (%dx%d) "
196 "and/or third input link %s parameters (%dx%d) "
197 "and/or fourth input link %s parameters (%dx%d)\n",
199 ctx->input_pads[1].name, threshold->
w, threshold->
h,
201 ctx->input_pads[3].name,
max->w,
max->h);
205 outlink->
w =
base->w;
206 outlink->
h =
base->h;
284 .priv_class = &threshold_class,
AVFrame * ff_get_video_buffer(AVFilterLink *link, int w, int h)
Request a picture buffer with a specific set of permissions.
#define AV_PIX_FMT_YUVA422P16
#define AV_PIX_FMT_GBRAP16
AVRational time_base
Time base for the incoming frames.
int ff_framesync_configure(FFFrameSync *fs)
Configure a frame sync structure.
AVPixelFormat
Pixel format.
static int process_frame(FFFrameSync *fs)
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
static int filter_slice(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
void ff_framesync_uninit(FFFrameSync *fs)
Free all memory currently allocated.
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)
int ff_framesync_get_frame(FFFrameSync *fs, unsigned in, AVFrame **rframe, unsigned get)
Get the current frame in an input.
#define FILTER_PIXFMTS_ARRAY(array)
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.
#define AV_PIX_FMT_YUVA420P16
#define AV_PIX_FMT_YUVA420P10
#define AV_PIX_FMT_YUV420P10
@ AV_PIX_FMT_YUV440P
planar YUV 4:4:0 (1 Cr & Cb sample per 1x2 Y samples)
const char * name
Filter name.
A link between two filters.
#define AV_PIX_FMT_YUVA422P10
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
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.
static av_cold void uninit(AVFilterContext *ctx)
int av_pix_fmt_count_planes(enum AVPixelFormat pix_fmt)
#define AV_PIX_FMT_YUVA420P9
@ EXT_STOP
Completely stop all streams with this one.
#define AV_PIX_FMT_GBRP14
@ AV_PIX_FMT_GBRAP
planar GBRA 4:4:4:4 32bpp
#define AV_PIX_FMT_GBRP10
#define AV_PIX_FMT_YUVA444P16
#define AV_PIX_FMT_YUV422P9
AVFILTER_DEFINE_CLASS(threshold)
#define AV_PIX_FMT_GRAY16
unsigned sync
Synchronization level: frames on input at the highest sync level will generate output frame events.
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_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
#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...
#define AV_PIX_FMT_GBRAP10
#define AV_PIX_FMT_GBRAP12
@ 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.
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,...
#define AV_PIX_FMT_YUVA444P12
#define AV_PIX_FMT_YUV420P9
#define AV_PIX_FMT_YUV420P16
#define AV_PIX_FMT_GRAY14
AVFrame * av_frame_clone(const AVFrame *src)
Create a new frame that references the same data as src.
int64_t av_rescale_q(int64_t a, AVRational bq, AVRational cq)
Rescale a 64-bit integer by 2 rational numbers.
@ AV_PIX_FMT_YUV420P
planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
#define FILTER_INPUTS(array)
@ AV_PIX_FMT_YUVJ444P
planar YUV 4:4:4, 24bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV444P and setting col...
#define AV_PIX_FMT_GRAY10
#define AV_PIX_FMT_GBRP16
int av_frame_copy_props(AVFrame *dst, const AVFrame *src)
Copy only "metadata" fields from src to dst.
#define fs(width, name, subs,...)
@ 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
@ AV_PIX_FMT_GRAY8
Y , 8bpp.
static const struct @328 planes[]
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification.
const AVFilter ff_vf_threshold
#define AV_PIX_FMT_YUV422P12
#define AV_PIX_FMT_YUV444P12
AVFilterContext * src
source filter
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 outputs[]
int w
agreed upon image width
#define AV_PIX_FMT_GBRP12
int ff_filter_get_nb_threads(AVFilterContext *ctx)
Get number of threads for current filter instance.
Used for passing data between threads.
@ 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 av_unused void ff_threshold_init(ThresholdContext *s)
static const AVOption threshold_options[]
#define AV_PIX_FMT_YUVA444P9
int ff_framesync_init(FFFrameSync *fs, AVFilterContext *parent, unsigned nb_in)
Initialize a frame sync structure.
#define AV_PIX_FMT_YUV420P12
static int activate(AVFilterContext *ctx)
enum FFFrameSyncExtMode before
Extrapolation mode for timestamps before the first frame.
int h
agreed upon image height
static int config_input(AVFilterLink *inlink)
#define AV_PIX_FMT_YUVA422P12
AVRational time_base
Define the time base used by the PTS of the frames/samples which will pass through this link.
@ AV_PIX_FMT_YUV444P
planar YUV 4:4:4, 24bpp, (1 Cr & Cb sample per 1x1 Y samples)
@ AV_PIX_FMT_GBRP
planar GBR 4:4:4 24bpp
#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 config_output(AVFilterLink *outlink)
#define FILTER_OUTPUTS(array)
@ AV_PIX_FMT_YUV411P
planar YUV 4:1:1, 12bpp, (1 Cr & Cb sample per 4x1 Y samples)
#define AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL
Same as AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC, except that the filter will have its filter_frame() c...
int linesize[AV_NUM_DATA_POINTERS]
For video, a positive or negative value, which is typically indicating the size in bytes of each pict...
@ AV_PIX_FMT_YUV410P
planar YUV 4:1:0, 9bpp, (1 Cr & Cb sample per 4x4 Y samples)
enum FFFrameSyncExtMode after
Extrapolation mode for timestamps after the last frame.
#define AV_PIX_FMT_YUV440P12
int ff_framesync_activate(FFFrameSync *fs)
Examine the frames in the filter's input and try to produce output.
#define AV_PIX_FMT_GRAY12
static av_always_inline int ff_filter_execute(AVFilterContext *ctx, avfilter_action_func *func, void *arg, int *ret, int nb_jobs)
@ AV_PIX_FMT_YUVA422P
planar YUV 4:2:2 24bpp, (1 Cr & Cb sample per 2x1 Y & A samples)
static const AVFilterPad inputs[]
static enum AVPixelFormat pix_fmts[]