19 #ifndef AVFILTER_INTERNAL_H
20 #define AVFILTER_INTERNAL_H
32 #if !FF_API_AVFILTERPAD_PUBLIC
140 #if FF_API_AVFILTERBUFFER
142 void ff_avfilter_default_free_buffer(AVFilterBuffer *buf);
148 #define FF_DPRINTF_START(ctx, func) av_dlog(NULL, "%-16s: ", #func)
165 void ff_insert_pad(
unsigned idx,
unsigned *count,
size_t padidx_off,
int(* poll_frame)(AVFilterLink *link)
Frame poll callback.
This structure describes decoded (raw) audio or video data.
int ff_filter_frame(AVFilterLink *link, AVFrame *frame)
Send a frame of data to the next filter.
Main libavfilter public API header.
Libavfilter version macros.
enum AVMediaType type
AVFilterPad type.
const char * name
Pad name.
AVFilterLink ** inputs
array of pointers to input links
AVFilterPad * output_pads
array of output pads
int(* request_frame)(AVFilterLink *link)
Frame request callback.
int ff_fmt_is_in(int fmt, const int *fmts)
Tell is a format is contained in the provided list terminated by -1.
void ff_dlog_link(void *ctx, AVFilterLink *link, int end)
A filter pad used for either input or output.
A link between two filters.
AVFilterPad * input_pads
array of input pads
unsigned nb_outputs
number of output pads
int(* filter_frame)(AVFilterLink *link, AVFrame *frame)
Filtering callback.
void ff_insert_pad(unsigned idx, unsigned *count, size_t padidx_off, AVFilterPad **pads, AVFilterLink ***links, AVFilterPad *newpad)
Insert a new pad.
common internal API header
static void filter(MpegAudioContext *s, int ch, const short *samples, int incr)
unsigned nb_inputs
number of input pads
static void ff_insert_outpad(AVFilterContext *f, unsigned index, AVFilterPad *p)
Insert a new output pad for the filter.
int needs_writable
The filter expects writable frames from its input link, duplicating data buffers if needed...
int( avfilter_execute_func)(AVFilterContext *ctx, avfilter_action_func *func, void *arg, int *ret, int nb_jobs)
A function executing multiple jobs, possibly in parallel.
void ff_filter_graph_remove_filter(AVFilterGraph *graph, AVFilterContext *filter)
Remove a filter from a graph;.
AVFilterLink ** outputs
array of pointers to output links
#define FF_DISABLE_DEPRECATION_WARNINGS
avfilter_execute_func * execute
avfilter_execute_func * thread_execute
#define FF_ENABLE_DEPRECATION_WARNINGS
static void ff_insert_inpad(AVFilterContext *f, unsigned index, AVFilterPad *p)
Insert a new input pad for the filter.
int ff_poll_frame(AVFilterLink *link)
Poll a frame from the filter chain.
AVFilterContext * ff_filter_alloc(const AVFilter *filter, const char *inst_name)
Allocate a new filter context and return it.
int(* config_props)(AVFilterLink *link)
Link configuration callback.
int needs_fifo
The filter expects a fifo to be inserted on its input link, typically because it has a delay...
int ff_request_frame(AVFilterLink *link)
Request an input frame from the filter at the other end of the link.