ffmpeg_filter.c File Reference

#include <stdint.h>
#include "ffmpeg.h"
#include "graph/graphprint.h"
#include "libavfilter/avfilter.h"
#include "libavfilter/buffersink.h"
#include "libavfilter/buffersrc.h"
#include "libavutil/avassert.h"
#include "libavutil/avstring.h"
#include "libavutil/bprint.h"
#include "libavutil/channel_layout.h"
#include "libavutil/downmix_info.h"
#include "libavutil/mem.h"
#include "libavutil/opt.h"
#include "libavutil/pixdesc.h"
#include "libavutil/pixfmt.h"
#include "libavutil/samplefmt.h"
#include "libavutil/time.h"
#include "libavutil/timestamp.h"
#include "libavcodec/mathops.h"

Go to the source code of this file.

Data Structures
struct	FilterGraphPriv
struct	FilterGraphThread
struct	InputFilterPriv
struct	FPSConvContext
struct	OutputFilterPriv
struct	FilterCommand

Macros
#define	DEF_CHOOSE_FORMAT(name, type, var, supported_list, none, printf_format, get_name)
#define	AUTO_INSERT_FILTER(opt_name, filter_name, arg)

Enumerations
enum	ReinitReason {   VIDEO_CHANGED = (1 << 0), AUDIO_CHANGED = (1 << 1), MATRIX_CHANGED = (1 << 2), DOWNMIX_CHANGED = (1 << 3),   HWACCEL_CHANGED = (1 << 4) }

Functions
static FilterGraphPriv *	fgp_from_fg (FilterGraph *fg)
static const FilterGraphPriv *	cfgp_from_cfg (const FilterGraph *fg)
static InputFilterPriv *	ifp_from_ifilter (InputFilter *ifilter)
static OutputFilterPriv *	ofp_from_ofilter (OutputFilter *ofilter)
static void	filter_command_free (void *opaque, uint8_t *data)
static int	sub2video_get_blank_frame (InputFilterPriv *ifp)
static void	sub2video_copy_rect (uint8_t *dst, int dst_linesize, int w, int h, AVSubtitleRect *r)
static void	sub2video_push_ref (InputFilterPriv *ifp, int64_t pts)
static void	sub2video_update (InputFilterPriv *ifp, int64_t heartbeat_pts, const AVSubtitle *sub)
	DEF_CHOOSE_FORMAT (pix_fmts, enum AVPixelFormat, format, formats, AV_PIX_FMT_NONE, "%s", av_get_pix_fmt_name) DEF_CHOOSE_FORMAT(sample_fmts
s av_get_sample_fmt_name	DEF_CHOOSE_FORMAT (sample_rates, int, sample_rate, sample_rates, 0, "%d")
static int	read_binary (void *logctx, const char *path, uint8_t **data, int *len)
static int	filter_opt_apply (void *logctx, AVFilterContext *f, const char *key, const char *val)
static int	graph_opts_apply (void *logctx, AVFilterGraphSegment *seg)
static int	graph_parse (void *logctx, AVFilterGraph *graph, const char *desc, AVFilterInOut **inputs, AVFilterInOut **outputs, AVBufferRef *hw_device)
static int	ifilter_has_all_input_formats (FilterGraph *fg)
static int	filter_thread (void *arg)
static char *	describe_filter_link (FilterGraph *fg, AVFilterInOut *inout, int in)
static const char *	ofilter_item_name (void *obj)
static OutputFilter *	ofilter_alloc (FilterGraph *fg, enum AVMediaType type)
static int	ifilter_bind_ist (InputFilter *ifilter, InputStream *ist, const ViewSpecifier *vs)
static int	ifilter_bind_dec (InputFilterPriv *ifp, Decoder *dec, const ViewSpecifier *vs)
static int	set_channel_layout (OutputFilterPriv *f, const AVChannelLayout *layouts_allowed, const AVChannelLayout *layout_requested)
int	ofilter_bind_enc (OutputFilter *ofilter, unsigned sched_idx_enc, const OutputFilterOptions *opts)
static int	ofilter_bind_ifilter (OutputFilter *ofilter, InputFilterPriv *ifp, const OutputFilterOptions *opts)
static int	ifilter_bind_fg (InputFilterPriv *ifp, FilterGraph *fg_src, int out_idx)
static InputFilter *	ifilter_alloc (FilterGraph *fg)
void	fg_free (FilterGraph **pfg)
static const char *	fg_item_name (void *obj)
int	fg_create (FilterGraph **pfg, char *graph_desc, Scheduler *sch)
	Create a new filtergraph in the global filtergraph list. More...
int	fg_create_simple (FilterGraph **pfg, InputStream *ist, char *graph_desc, Scheduler *sch, unsigned sched_idx_enc, const OutputFilterOptions *opts)
static int	fg_complex_bind_input (FilterGraph *fg, InputFilter *ifilter)
static int	bind_inputs (FilterGraph *fg)
int	fg_finalise_bindings (void)
static int	insert_trim (void *logctx, int64_t start_time, int64_t duration, AVFilterContext **last_filter, int *pad_idx, const char *filter_name)
static int	insert_filter (AVFilterContext **last_filter, int *pad_idx, const char *filter_name, const char *args)
static int	configure_output_video_filter (FilterGraphPriv *fgp, AVFilterGraph *graph, OutputFilter *ofilter, AVFilterInOut *out)
static int	configure_output_audio_filter (FilterGraphPriv *fgp, AVFilterGraph *graph, OutputFilter *ofilter, AVFilterInOut *out)
static int	configure_output_filter (FilterGraphPriv *fgp, AVFilterGraph *graph, OutputFilter *ofilter, AVFilterInOut *out)
static void	sub2video_prepare (InputFilterPriv *ifp)
static int	configure_input_video_filter (FilterGraph *fg, AVFilterGraph *graph, InputFilter *ifilter, AVFilterInOut *in)
static int	configure_input_audio_filter (FilterGraph *fg, AVFilterGraph *graph, InputFilter *ifilter, AVFilterInOut *in)
static int	configure_input_filter (FilterGraph *fg, AVFilterGraph *graph, InputFilter *ifilter, AVFilterInOut *in)
static void	cleanup_filtergraph (FilterGraph *fg, FilterGraphThread *fgt)
static int	filter_is_buffersrc (const AVFilterContext *f)
static int	graph_is_meta (AVFilterGraph *graph)
static int	sub2video_frame (InputFilter *ifilter, AVFrame *frame, int buffer)
static int	configure_filtergraph (FilterGraph *fg, FilterGraphThread *fgt)
static int	ifilter_parameters_from_frame (InputFilter *ifilter, const AVFrame *frame)
int	filtergraph_is_simple (const FilterGraph *fg)
static void	send_command (FilterGraph *fg, AVFilterGraph *graph, double time, const char *target, const char *command, const char *arg, int all_filters)
static int	choose_input (const FilterGraph *fg, const FilterGraphThread *fgt)
static int	choose_out_timebase (OutputFilterPriv *ofp, AVFrame *frame)
static double	adjust_frame_pts_to_encoder_tb (void *logctx, AVFrame *frame, AVRational tb_dst, int64_t start_time)
static void	video_sync_process (OutputFilterPriv *ofp, AVFrame *frame, int64_t *nb_frames, int64_t *nb_frames_prev)
static int	close_output (OutputFilterPriv *ofp, FilterGraphThread *fgt)
static int	fg_output_frame (OutputFilterPriv *ofp, FilterGraphThread *fgt, AVFrame *frame)
static int	fg_output_step (OutputFilterPriv *ofp, FilterGraphThread *fgt, AVFrame *frame)
static int	read_frames (FilterGraph *fg, FilterGraphThread *fgt, AVFrame *frame)
static void	sub2video_heartbeat (InputFilter *ifilter, int64_t pts, AVRational tb)
static int	send_eof (FilterGraphThread *fgt, InputFilter *ifilter, int64_t pts, AVRational tb)
static const char *	unknown_if_null (const char *str)
static int	send_frame (FilterGraph *fg, FilterGraphThread *fgt, InputFilter *ifilter, AVFrame *frame)
static void	fg_thread_set_name (const FilterGraph *fg)
static void	fg_thread_uninit (FilterGraphThread *fgt)
static int	fg_thread_init (FilterGraphThread *fgt, const FilterGraph *fg)
void	fg_send_command (FilterGraph *fg, double time, const char *target, const char *command, const char *arg, int all_filters)

Variables
static const AVClass	ofilter_class
static const AVClass	fg_class

Macro Definition Documentation

DEF_CHOOSE_FORMAT

#define DEF_CHOOSE_FORMAT	(		name,
			type,
			var,
			supported_list,
			none,
			printf_format,
			get_name
	)

Value:

static void choose_ ## name (OutputFilterPriv *ofp, AVBPrint *bprint)          \
{                                                                              \
    if (ofp->var == none && !ofp->supported_list)                              \
        return;                                                                \
    av_bprintf(bprint, #name "=");                                             \
    if (ofp->var != none) {                                                    \
        av_bprintf(bprint, printf_format, get_name(ofp->var));                 \
    } else {                                                                   \
        const type *p;                                                         \
                                                                               \
        for (p = ofp->supported_list; *p != none; p++) {                       \
            av_bprintf(bprint, printf_format "|", get_name(*p));               \
        }                                                                      \
        if (bprint->len > 0)                                                   \
            bprint->str[--bprint->len] = '\0';                                 \
    }                                                                          \
    av_bprint_chars(bprint, ':', 1);                                           \
}

Definition at line 369 of file ffmpeg_filter.c.

AUTO_INSERT_FILTER

#define AUTO_INSERT_FILTER	(		opt_name,
			filter_name,
			arg
	)

Value:

    do {                 \
    AVFilterContext *filt_ctx;                                              \
                                                                            \
    av_log(ofilter, AV_LOG_INFO, opt_name " is forwarded to lavfi "         \
           "similarly to -af " filter_name "=%s.\n", arg);                  \
                                                                            \
    ret = avfilter_graph_create_filter(&filt_ctx,                           \
                                       avfilter_get_by_name(filter_name),   \
                                       filter_name, arg, NULL, graph);      \
    if (ret < 0)                                                            \
        goto fail;                                                          \
                                                                            \
    ret = avfilter_link(last_filter, pad_idx, filt_ctx, 0);                 \
    if (ret < 0)                                                            \
        goto fail;                                                          \
                                                                            \
    last_filter = filt_ctx;                                                 \
    pad_idx = 0;                                                            \
} while (0)

Enumeration Type Documentation

ReinitReason

enum ReinitReason

Enumerator
VIDEO_CHANGED
AUDIO_CHANGED
MATRIX_CHANGED
DOWNMIX_CHANGED
HWACCEL_CHANGED

Definition at line 2846 of file ffmpeg_filter.c.

Function Documentation

fgp_from_fg()

static FilterGraphPriv* fgp_from_fg ( FilterGraph *  fg )

static

Definition at line 73 of file ffmpeg_filter.c.

Referenced by close_output(), configure_filtergraph(), fg_create_simple(), fg_free(), fg_output_frame(), fg_output_step(), fg_send_command(), ifilter_bind_dec(), ifilter_bind_fg(), ifilter_bind_ist(), ofilter_bind_enc(), and read_frames().

cfgp_from_cfg()

static const FilterGraphPriv* cfgp_from_cfg ( const FilterGraph *  fg )

static

Definition at line 78 of file ffmpeg_filter.c.

Referenced by filtergraph_is_simple().

ifp_from_ifilter()

static InputFilterPriv* ifp_from_ifilter ( InputFilter *  ifilter )

static

Definition at line 159 of file ffmpeg_filter.c.

Referenced by bind_inputs(), configure_filtergraph(), configure_input_audio_filter(), configure_input_video_filter(), fg_complex_bind_input(), fg_free(), filter_thread(), ifilter_bind_ist(), ifilter_has_all_input_formats(), ifilter_parameters_from_frame(), read_frames(), send_eof(), send_frame(), sub2video_frame(), and sub2video_heartbeat().

ofp_from_ofilter()

static OutputFilterPriv* ofp_from_ofilter ( OutputFilter *  ofilter )

static

Definition at line 234 of file ffmpeg_filter.c.

Referenced by configure_filtergraph(), configure_output_audio_filter(), configure_output_video_filter(), fg_free(), fg_thread_set_name(), filter_thread(), ofilter_bind_enc(), ofilter_bind_ifilter(), and read_frames().

filter_command_free()

static void filter_command_free ( void *  opaque, uint8_t *  data  )

static

Definition at line 248 of file ffmpeg_filter.c.

Referenced by fg_send_command().

sub2video_get_blank_frame()

static int sub2video_get_blank_frame ( InputFilterPriv *  ifp )

static

Definition at line 259 of file ffmpeg_filter.c.

Referenced by sub2video_update().

sub2video_copy_rect()

static void sub2video_copy_rect ( uint8_t *  dst, int  dst_linesize, int  w, int  h, AVSubtitleRect *  r  )

static

Definition at line 281 of file ffmpeg_filter.c.

Referenced by sub2video_update().

sub2video_push_ref()

static void sub2video_push_ref ( InputFilterPriv *  ifp, int64_t  pts  )

static

Definition at line 312 of file ffmpeg_filter.c.

Referenced by sub2video_heartbeat(), and sub2video_update().

sub2video_update()

static void sub2video_update ( InputFilterPriv *  ifp, int64_t  heartbeat_pts, const AVSubtitle *  sub  )

static

Definition at line 328 of file ffmpeg_filter.c.

Referenced by sub2video_frame(), and sub2video_heartbeat().

DEF_CHOOSE_FORMAT() [1/2]

DEF_CHOOSE_FORMAT	(	pix_fmts	,
		enum	AVPixelFormat,
		format	,
		formats	,
		AV_PIX_FMT_NONE	,
		"%s"	,
		av_get_pix_fmt_name
	)

DEF_CHOOSE_FORMAT() [2/2]

s av_get_sample_fmt_name DEF_CHOOSE_FORMAT	(	sample_rates	,
		int	,
		sample_rate	,
		sample_rates	,
		0	,
		"%d"
	)

Definition at line 395 of file ffmpeg_filter.c.

read_binary()

static int read_binary ( void *  logctx, const char *  path, uint8_t **  data, int *  len  )

static

Definition at line 424 of file ffmpeg_filter.c.

Referenced by filter_opt_apply().

filter_opt_apply()

static int filter_opt_apply ( void *  logctx, AVFilterContext *  f, const char *  key, const char *  val  )

static

Definition at line 473 of file ffmpeg_filter.c.

Referenced by graph_opts_apply().

graph_opts_apply()

static int graph_opts_apply ( void *  logctx, AVFilterGraphSegment *  seg  )

static

Definition at line 529 of file ffmpeg_filter.c.

Referenced by graph_parse().

graph_parse()

static int graph_parse ( void *  logctx, AVFilterGraph *  graph, const char *  desc, AVFilterInOut **  inputs, AVFilterInOut **  outputs, AVBufferRef *  hw_device  )

static

Definition at line 553 of file ffmpeg_filter.c.

Referenced by configure_filtergraph(), and fg_create().

ifilter_has_all_input_formats()

static int ifilter_has_all_input_formats ( FilterGraph *  fg )

static

Definition at line 598 of file ffmpeg_filter.c.

Referenced by filter_thread(), send_eof(), and send_frame().

filter_thread()

static int filter_thread ( void *  arg )

static

Definition at line 3060 of file ffmpeg_filter.c.

Referenced by fg_create().

describe_filter_link()

static char* describe_filter_link ( FilterGraph *  fg, AVFilterInOut *  inout, int  in  )

static

Definition at line 610 of file ffmpeg_filter.c.

Referenced by fg_create().

ofilter_item_name()

static const char* ofilter_item_name ( void *  obj )

static

Definition at line 622 of file ffmpeg_filter.c.

ofilter_alloc()

static OutputFilter* ofilter_alloc ( FilterGraph *  fg, enum AVMediaType  type  )

static

Definition at line 636 of file ffmpeg_filter.c.

Referenced by fg_create().

ifilter_bind_ist()

static int ifilter_bind_ist ( InputFilter *  ifilter, InputStream *  ist, const ViewSpecifier *  vs  )

static

Definition at line 661 of file ffmpeg_filter.c.

Referenced by fg_complex_bind_input(), and fg_create_simple().

ifilter_bind_dec()

static int ifilter_bind_dec ( InputFilterPriv *  ifp, Decoder *  dec, const ViewSpecifier *  vs  )

static

Definition at line 720 of file ffmpeg_filter.c.

Referenced by fg_complex_bind_input().

set_channel_layout()

static int set_channel_layout ( OutputFilterPriv *  f, const AVChannelLayout *  layouts_allowed, const AVChannelLayout *  layout_requested  )

static

Definition at line 753 of file ffmpeg_filter.c.

Referenced by ofilter_bind_enc().

ofilter_bind_enc()

int ofilter_bind_enc	(	OutputFilter *	ofilter,
		unsigned	sched_idx_enc,
		const OutputFilterOptions *	opts
	)

Definition at line 793 of file ffmpeg_filter.c.

Referenced by fg_create_simple(), and ost_bind_filter().

ofilter_bind_ifilter()

static int ofilter_bind_ifilter ( OutputFilter *  ofilter, InputFilterPriv *  ifp, const OutputFilterOptions *  opts  )

static

Definition at line 903 of file ffmpeg_filter.c.

Referenced by ifilter_bind_fg().

ifilter_bind_fg()

static int ifilter_bind_fg ( InputFilterPriv *  ifp, FilterGraph *  fg_src, int  out_idx  )

static

Definition at line 923 of file ffmpeg_filter.c.

Referenced by fg_complex_bind_input().

ifilter_alloc()

static InputFilter* ifilter_alloc ( FilterGraph *  fg )

static

Definition at line 960 of file ffmpeg_filter.c.

Referenced by fg_create().

fg_free()

void fg_free

(

FilterGraph **

pfg

)

Definition at line 988 of file ffmpeg_filter.c.

Referenced by ffmpeg_cleanup(), and ost_free().

fg_item_name()

static const char* fg_item_name ( void *  obj )

static

Definition at line 1046 of file ffmpeg_filter.c.

fg_create()

int fg_create	(	FilterGraph **	pfg,
		char *	graph_desc,
		Scheduler *	sch
	)

Create a new filtergraph in the global filtergraph list.

Parameters

graph_desc

Graph description; an av_malloc()ed string, filtergraph takes ownership of it.

Definition at line 1060 of file ffmpeg_filter.c.

Referenced by fg_create_simple().

fg_create_simple()

int fg_create_simple	(	FilterGraph **	pfg,
		InputStream *	ist,
		char *	graph_desc,
		Scheduler *	sch,
		unsigned	sched_idx_enc,
		const OutputFilterOptions *	opts
	)

Definition at line 1196 of file ffmpeg_filter.c.

Referenced by ost_bind_filter().

fg_complex_bind_input()

static int fg_complex_bind_input ( FilterGraph *  fg, InputFilter *  ifilter  )

static

Definition at line 1248 of file ffmpeg_filter.c.

Referenced by bind_inputs().

bind_inputs()

static int bind_inputs ( FilterGraph *  fg )

static

Definition at line 1385 of file ffmpeg_filter.c.

Referenced by fg_finalise_bindings().

fg_finalise_bindings()

int fg_finalise_bindings

(

void

)

Definition at line 1403 of file ffmpeg_filter.c.

insert_trim()

static int insert_trim ( void *  logctx, int64_t  start_time, int64_t  duration, AVFilterContext **  last_filter, int *  pad_idx, const char *  filter_name  )

static

Definition at line 1432 of file ffmpeg_filter.c.

Referenced by configure_input_audio_filter(), configure_input_video_filter(), configure_output_audio_filter(), and configure_output_video_filter().

insert_filter()

static int insert_filter ( AVFilterContext **  last_filter, int *  pad_idx, const char *  filter_name, const char *  args  )

static

Definition at line 1483 of file ffmpeg_filter.c.

Referenced by configure_input_video_filter().

configure_output_video_filter()

static int configure_output_video_filter ( FilterGraphPriv *  fgp, AVFilterGraph *  graph, OutputFilter *  ofilter, AVFilterInOut *  out  )

static

Definition at line 1509 of file ffmpeg_filter.c.

Referenced by configure_output_filter().

configure_output_audio_filter()

static int configure_output_audio_filter ( FilterGraphPriv *  fgp, AVFilterGraph *  graph, OutputFilter *  ofilter, AVFilterInOut *  out  )

static

Definition at line 1588 of file ffmpeg_filter.c.

Referenced by configure_output_filter().

configure_output_filter()

static int configure_output_filter ( FilterGraphPriv *  fgp, AVFilterGraph *  graph, OutputFilter *  ofilter, AVFilterInOut *  out  )

static

Definition at line 1670 of file ffmpeg_filter.c.

Referenced by configure_filtergraph().

sub2video_prepare()

static void sub2video_prepare ( InputFilterPriv *  ifp )

static

Definition at line 1680 of file ffmpeg_filter.c.

Referenced by configure_input_video_filter().

configure_input_video_filter()

static int configure_input_video_filter ( FilterGraph *  fg, AVFilterGraph *  graph, InputFilter *  ifilter, AVFilterInOut *  in  )

static

Definition at line 1691 of file ffmpeg_filter.c.

Referenced by configure_input_filter().

configure_input_audio_filter()

static int configure_input_audio_filter ( FilterGraph *  fg, AVFilterGraph *  graph, InputFilter *  ifilter, AVFilterInOut *  in  )

static

Definition at line 1809 of file ffmpeg_filter.c.

Referenced by configure_input_filter().

configure_input_filter()

static int configure_input_filter ( FilterGraph *  fg, AVFilterGraph *  graph, InputFilter *  ifilter, AVFilterInOut *  in  )

static

Definition at line 1860 of file ffmpeg_filter.c.

Referenced by configure_filtergraph().

cleanup_filtergraph()

static void cleanup_filtergraph ( FilterGraph *  fg, FilterGraphThread *  fgt  )

static

Definition at line 1870 of file ffmpeg_filter.c.

Referenced by configure_filtergraph().

filter_is_buffersrc()

static int filter_is_buffersrc ( const AVFilterContext *  f )

static

Definition at line 1879 of file ffmpeg_filter.c.

Referenced by graph_is_meta().

graph_is_meta()

static int graph_is_meta ( AVFilterGraph *  graph )

static

Definition at line 1886 of file ffmpeg_filter.c.

Referenced by configure_filtergraph().

sub2video_frame()

static int sub2video_frame ( InputFilter *  ifilter, AVFrame *  frame, int  buffer  )

static

Definition at line 2737 of file ffmpeg_filter.c.

Referenced by configure_filtergraph(), and filter_thread().

configure_filtergraph()

static int configure_filtergraph ( FilterGraph *  fg, FilterGraphThread *  fgt  )

static

Definition at line 1905 of file ffmpeg_filter.c.

Referenced by filter_thread(), send_eof(), and send_frame().

ifilter_parameters_from_frame()

static int ifilter_parameters_from_frame ( InputFilter *  ifilter, const AVFrame *  frame  )

static

Definition at line 2078 of file ffmpeg_filter.c.

Referenced by send_frame().

filtergraph_is_simple()

int filtergraph_is_simple

(

const FilterGraph *

fg

)

Definition at line 2140 of file ffmpeg_filter.c.

Referenced by configure_filtergraph(), fg_thread_set_name(), ifilter_bind_ist(), and print_stream_maps().

send_command()

static void send_command ( FilterGraph *  fg, AVFilterGraph *  graph, double  time, const char *  target, const char *  command, const char *  arg, int  all_filters  )

static

Definition at line 2146 of file ffmpeg_filter.c.

Referenced by filter_thread().

choose_input()

static int choose_input ( const FilterGraph *  fg, const FilterGraphThread *  fgt  )

static

Definition at line 2171 of file ffmpeg_filter.c.

Referenced by read_frames().

choose_out_timebase()

static int choose_out_timebase ( OutputFilterPriv *  ofp, AVFrame *  frame  )

static

Definition at line 2194 of file ffmpeg_filter.c.

Referenced by fg_output_step().

adjust_frame_pts_to_encoder_tb()

static double adjust_frame_pts_to_encoder_tb ( void *  logctx, AVFrame *  frame, AVRational  tb_dst, int64_t  start_time  )

static

Definition at line 2271 of file ffmpeg_filter.c.

Referenced by video_sync_process().

video_sync_process()

static void video_sync_process ( OutputFilterPriv *  ofp, AVFrame *  frame, int64_t *  nb_frames, int64_t *  nb_frames_prev  )

static

Definition at line 2314 of file ffmpeg_filter.c.

Referenced by fg_output_frame().

close_output()

static int close_output ( OutputFilterPriv *  ofp, FilterGraphThread *  fgt  )

static

Definition at line 2437 of file ffmpeg_filter.c.

Referenced by fg_output_frame().

fg_output_frame()

static int fg_output_frame ( OutputFilterPriv *  ofp, FilterGraphThread *  fgt, AVFrame *  frame  )

static

Definition at line 2492 of file ffmpeg_filter.c.

Referenced by fg_output_step(), and filter_thread().

fg_output_step()

static int fg_output_step ( OutputFilterPriv *  ofp, FilterGraphThread *  fgt, AVFrame *  frame  )

static

Definition at line 2575 of file ffmpeg_filter.c.

Referenced by read_frames().

read_frames()

static int read_frames ( FilterGraph *  fg, FilterGraphThread *  fgt, AVFrame *  frame  )

static

Definition at line 2652 of file ffmpeg_filter.c.

Referenced by filter_thread(), and send_frame().

sub2video_heartbeat()

static void sub2video_heartbeat ( InputFilter *  ifilter, int64_t  pts, AVRational  tb  )

static

Definition at line 2715 of file ffmpeg_filter.c.

Referenced by sub2video_frame().

send_eof()

static int send_eof ( FilterGraphThread *  fgt, InputFilter *  ifilter, int64_t  pts, AVRational  tb  )

static

Definition at line 2784 of file ffmpeg_filter.c.

Referenced by filter_thread().

unknown_if_null()

static const char* unknown_if_null ( const char *  str )

static

Definition at line 2854 of file ffmpeg_filter.c.

Referenced by send_frame().

send_frame()

static int send_frame ( FilterGraph *  fg, FilterGraphThread *  fgt, InputFilter *  ifilter, AVFrame *  frame  )

static

Definition at line 2859 of file ffmpeg_filter.c.

Referenced by filter_thread().

fg_thread_set_name()

static void fg_thread_set_name ( const FilterGraph *  fg )

static

Definition at line 3000 of file ffmpeg_filter.c.

Referenced by filter_thread().

fg_thread_uninit()

static void fg_thread_uninit ( FilterGraphThread *  fgt )

static

Definition at line 3015 of file ffmpeg_filter.c.

Referenced by fg_thread_init(), and filter_thread().

fg_thread_init()

static int fg_thread_init ( FilterGraphThread *  fgt, const FilterGraph *  fg  )

static

Definition at line 3033 of file ffmpeg_filter.c.

Referenced by filter_thread().

fg_send_command()

void fg_send_command	(	FilterGraph *	fg,
		double	time,
		const char *	target,
		const char *	command,
		const char *	arg,
		int	all_filters
	)

Definition at line 3183 of file ffmpeg_filter.c.

Referenced by check_keyboard_interaction().

Variable Documentation

ofilter_class

const AVClass ofilter_class

static

Initial value:

= {
    .class_name                = "OutputFilter",
    .version                   = LIBAVUTIL_VERSION_INT,
    .item_name                 = ofilter_item_name,
    .parent_log_context_offset = 0x42,
    .category                  = AV_CLASS_CATEGORY_FILTER,
}

Definition at line 628 of file ffmpeg_filter.c.

Referenced by ofilter_alloc().

fg_class

const AVClass fg_class

static

Initial value:

= {
    .class_name = "FilterGraph",
    .version    = LIBAVUTIL_VERSION_INT,
    .item_name  = fg_item_name,
    .category   = AV_CLASS_CATEGORY_FILTER,
}

Definition at line 1053 of file ffmpeg_filter.c.

Referenced by fg_create().