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/attributes.h"
#include "libavutil/avassert.h"
#include "libavutil/avstring.h"
#include "libavutil/bprint.h"
#include "libavutil/channel_layout.h"
#include "libavutil/downmix_info.h"

Go to the source code of this file.

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

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, pix_fmts, 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)
static int	parse_reinit_opts (AVFifo **pout, const char *opts, void *logctx)
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, const OutputFilterOptions *opts)
	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, int commit)
static int	bind_inputs (FilterGraph *fg, int commit)
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)
static int	ifilter_parameters_from_ofilter (InputFilter *ifilter, OutputFilter *ofilter)
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 int64_t	median3 (int64_t a, int64_t b, int64_t c)
static void	video_sync_process (OutputFilterPriv *ofp, AVFrame *frame, int64_t *nb_frames, int64_t *nb_frames_prev)
static void	close_input (InputFilterPriv *ifp)
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, int force_reinit)
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)
static int	check_reinit (FilterGraph *fg, FilterGraphThread *fgt)
void	fg_send_command (FilterGraph *fg, double time, const char *target, const char *command, const char *arg, int all_filters)

Variables
static const AVOption	ofilter_options []
static const AVClass	ofilter_class
static const AVClass	fg_class

Enumeration Type Documentation

ReinitReason

enum ReinitReason

Enumerator
VIDEO_CHANGED
AUDIO_CHANGED
MATRIX_CHANGED
DOWNMIX_CHANGED
HWACCEL_CHANGED

Definition at line 3167 of file ffmpeg_filter.c.

Function Documentation

fgp_from_fg()

static FilterGraphPriv* fgp_from_fg ( FilterGraph *  fg )

static

Definition at line 69 of file ffmpeg_filter.c.

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

cfgp_from_cfg()

static const FilterGraphPriv* cfgp_from_cfg ( const FilterGraph *  fg )

static

Definition at line 74 of file ffmpeg_filter.c.

Referenced by filtergraph_is_simple().

ifp_from_ifilter()

static InputFilterPriv* ifp_from_ifilter ( InputFilter *  ifilter )

static

Definition at line 163 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(), ifilter_parameters_from_ofilter(), 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 260 of file ffmpeg_filter.c.

Referenced by check_reinit(), configure_filtergraph(), configure_output_audio_filter(), configure_output_video_filter(), fg_complex_bind_input(), fg_create(), fg_finalise_bindings(), fg_free(), fg_thread_set_name(), filter_thread(), ifilter_parameters_from_ofilter(), 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 274 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 285 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 308 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 339 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 355 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	,
		pix_fmts	,
		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 422 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 454 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 503 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 559 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 583 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 628 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 3443 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 640 of file ffmpeg_filter.c.

Referenced by fg_create().

ofilter_item_name()

static const char* ofilter_item_name ( void *  obj )

static

Definition at line 652 of file ffmpeg_filter.c.

ofilter_alloc()

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

static

Definition at line 678 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 702 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 761 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 794 of file ffmpeg_filter.c.

Referenced by ofilter_bind_enc().

parse_reinit_opts()

static int parse_reinit_opts ( AVFifo **  pout, const char *  opts, void *  logctx  )

static

Definition at line 834 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 903 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 1024 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 1046 of file ffmpeg_filter.c.

Referenced by fg_complex_bind_input().

ifilter_alloc()

static InputFilter* ifilter_alloc ( FilterGraph *  fg )

static

Definition at line 1083 of file ffmpeg_filter.c.

Referenced by fg_create().

fg_free()

void fg_free

(

FilterGraph **

pfg

)

Definition at line 1112 of file ffmpeg_filter.c.

Referenced by ffmpeg_cleanup(), fg_finalise_bindings(), and ost_free().

fg_item_name()

static const char* fg_item_name ( void *  obj )

static

Definition at line 1178 of file ffmpeg_filter.c.

fg_create()

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

Create a new filtergraph in the global filtergraph list.

Parameters

graph_desc

Pointer to graph description; an av_malloc()ed string, filtergraph takes ownership of it.

Definition at line 1192 of file ffmpeg_filter.c.

Referenced by fg_create_simple(), and istg_parse_tile_grid().

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 1342 of file ffmpeg_filter.c.

Referenced by ost_bind_filter().

fg_complex_bind_input()

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

static

Definition at line 1394 of file ffmpeg_filter.c.

Referenced by bind_inputs().

bind_inputs()

static int bind_inputs ( FilterGraph *  fg, int  commit  )

static

Definition at line 1567 of file ffmpeg_filter.c.

Referenced by fg_finalise_bindings().

fg_finalise_bindings()

int fg_finalise_bindings

(

void

)

Definition at line 1585 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 1636 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 1687 of file ffmpeg_filter.c.

Referenced by configure_input_video_filter(), and configure_output_video_filter().

configure_output_video_filter()

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

static

Definition at line 1713 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 1843 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 1923 of file ffmpeg_filter.c.

Referenced by configure_filtergraph().

sub2video_prepare()

static void sub2video_prepare ( InputFilterPriv *  ifp )

static

Definition at line 1933 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 1944 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 2063 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 2114 of file ffmpeg_filter.c.

Referenced by configure_filtergraph().

cleanup_filtergraph()

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

static

Definition at line 2124 of file ffmpeg_filter.c.

Referenced by configure_filtergraph().

filter_is_buffersrc()

static int filter_is_buffersrc ( const AVFilterContext *  f )

static

Definition at line 2133 of file ffmpeg_filter.c.

Referenced by graph_is_meta().

graph_is_meta()

static int graph_is_meta ( AVFilterGraph *  graph )

static

Definition at line 2140 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 3057 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 2159 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 2332 of file ffmpeg_filter.c.

Referenced by send_frame().

ifilter_parameters_from_ofilter()

static int ifilter_parameters_from_ofilter ( InputFilter *  ifilter, OutputFilter *  ofilter  )

static

Definition at line 2410 of file ffmpeg_filter.c.

Referenced by send_frame().

filtergraph_is_simple()

int filtergraph_is_simple

(

const FilterGraph *

fg

)

Definition at line 2431 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 2437 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 2462 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 2485 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 2562 of file ffmpeg_filter.c.

Referenced by video_sync_process().

median3()

static int64_t median3 ( int64_t  a, int64_t  b, int64_t  c  )

static

Definition at line 2601 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 2622 of file ffmpeg_filter.c.

Referenced by fg_output_frame().

close_input()

static void close_input ( InputFilterPriv *  ifp )

static

Definition at line 2739 of file ffmpeg_filter.c.

Referenced by filter_thread().

close_output()

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

static

Definition at line 2749 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 2805 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 2888 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 2975 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 3035 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 3104 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 3175 of file ffmpeg_filter.c.

Referenced by send_frame().

send_frame()

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

static

Definition at line 3180 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 3347 of file ffmpeg_filter.c.

Referenced by filter_thread().

fg_thread_uninit()

static void fg_thread_uninit ( FilterGraphThread *  fgt )

static

Definition at line 3362 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 3380 of file ffmpeg_filter.c.

Referenced by filter_thread().

check_reinit()

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

static

Definition at line 3407 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 3573 of file ffmpeg_filter.c.

Referenced by check_keyboard_interaction().

Variable Documentation

ofilter_options

const AVOption ofilter_options[]

static

Initial value:

= {
    {"video_size", "set video size", offsetof(OutputFilterPriv, width), AV_OPT_TYPE_IMAGE_SIZE, {.str = NULL}, 0, INT_MAX },
    {"pixel_format", "set pixel format", offsetof(OutputFilterPriv, format), AV_OPT_TYPE_PIXEL_FMT, {.i64 = AV_PIX_FMT_NONE}, -1, INT_MAX },
    {"colorspace", "color space", offsetof(OutputFilterPriv, color_space), AV_OPT_TYPE_INT, {.i64 = AVCOL_SPC_UNSPECIFIED }, 0, INT_MAX },
    {"color_range", "color range", offsetof(OutputFilterPriv, color_range), AV_OPT_TYPE_INT, {.i64 = AVCOL_RANGE_UNSPECIFIED }, 0, INT_MAX },
    {"alpha_mode", "color range", offsetof(OutputFilterPriv, alpha_mode), AV_OPT_TYPE_INT, {.i64 = AVALPHA_MODE_UNSPECIFIED }, 0, INT_MAX },
    {"ar", "set audio sampling rate (in Hz)", offsetof(OutputFilterPriv, sample_rate), AV_OPT_TYPE_INT, {.i64 = 0 }, 0, INT_MAX },
    {"ch_layout", NULL, offsetof(OutputFilterPriv, ch_layout), AV_OPT_TYPE_CHLAYOUT, {.str = NULL }, 0, 0 },
    { NULL },
}

Definition at line 658 of file ffmpeg_filter.c.

ofilter_class

const AVClass ofilter_class

static

Initial value:

= {
    .class_name                = "OutputFilter",
    .version                   = LIBAVUTIL_VERSION_INT,
    .item_name                 = ofilter_item_name,
    .option                    = ofilter_options,
    .parent_log_context_offset = offsetof(OutputFilterPriv, log_parent),
    .category                  = AV_CLASS_CATEGORY_FILTER,
}

Definition at line 669 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 1185 of file ffmpeg_filter.c.

Referenced by fg_create().