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"
#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"

Go to the source code of this file.

Data Structures
struct	FilterGraphPriv
struct	FilterGraphThread
struct	InputFilterPriv
struct	FPSConvContext
struct	ReinitOpts
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, 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.
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

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 400 of file ffmpeg_filter.c.

Referenced by DEF_CHOOSE_FORMAT().

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)

Referenced by configure_output_audio_filter().

Enumeration Type Documentation

ReinitReason

enum ReinitReason

Enumerator
VIDEO_CHANGED
AUDIO_CHANGED
MATRIX_CHANGED
DOWNMIX_CHANGED
HWACCEL_CHANGED

Definition at line 3187 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 164 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 263 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 277 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 288 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 312 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 343 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 359 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 426 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 462 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 511 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 567 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 591 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 636 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 3465 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 648 of file ffmpeg_filter.c.

Referenced by fg_create().

ofilter_item_name()

static const char * ofilter_item_name ( void * obj )

static

Definition at line 660 of file ffmpeg_filter.c.

ofilter_alloc()

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

static

Definition at line 687 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 711 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 770 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 803 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 843 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 912 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 1038 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 1060 of file ffmpeg_filter.c.

Referenced by fg_complex_bind_input().

ifilter_alloc()

static InputFilter * ifilter_alloc ( FilterGraph * fg )

static

Definition at line 1097 of file ffmpeg_filter.c.

Referenced by fg_create().

fg_free()

void fg_free

(

FilterGraph **

pfg

)

Definition at line 1127 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 1193 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 1207 of file ffmpeg_filter.c.

Referenced by ffmpeg_parse_options(), 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 1357 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 1409 of file ffmpeg_filter.c.

Referenced by bind_inputs().

bind_inputs()

static int bind_inputs ( FilterGraph * fg, int commit )

static

Definition at line 1582 of file ffmpeg_filter.c.

Referenced by fg_finalise_bindings().

fg_finalise_bindings()

int fg_finalise_bindings

(

void

)

Definition at line 1600 of file ffmpeg_filter.c.

Referenced by ffmpeg_parse_options().

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 1651 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 1702 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 1728 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 1859 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 1939 of file ffmpeg_filter.c.

Referenced by configure_filtergraph().

sub2video_prepare()

static void sub2video_prepare ( InputFilterPriv * ifp )

static

Definition at line 1949 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 1960 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 2080 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 2131 of file ffmpeg_filter.c.

Referenced by configure_filtergraph().

cleanup_filtergraph()

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

static

Definition at line 2141 of file ffmpeg_filter.c.

Referenced by configure_filtergraph().

filter_is_buffersrc()

static int filter_is_buffersrc ( const AVFilterContext * f )

static

Definition at line 2150 of file ffmpeg_filter.c.

Referenced by graph_is_meta().

graph_is_meta()

static int graph_is_meta ( AVFilterGraph * graph )

static

Definition at line 2157 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 3076 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 2176 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 2350 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 2429 of file ffmpeg_filter.c.

Referenced by send_frame().

filtergraph_is_simple()

int filtergraph_is_simple

(

const FilterGraph *

fg

)

Definition at line 2450 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 2456 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 2481 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 2504 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 2581 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 2620 of file ffmpeg_filter.c.

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 2641 of file ffmpeg_filter.c.

Referenced by fg_output_frame().

close_input()

static void close_input ( InputFilterPriv * ifp )

static

Definition at line 2758 of file ffmpeg_filter.c.

Referenced by filter_thread().

close_output()

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

static

Definition at line 2768 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 2824 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 2907 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 2994 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 3054 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 3123 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 3195 of file ffmpeg_filter.c.

Referenced by avcodec_string(), send_frame(), and setup_colorspace().

send_frame()

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

static

Definition at line 3200 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 3369 of file ffmpeg_filter.c.

Referenced by filter_thread().

fg_thread_uninit()

static void fg_thread_uninit ( FilterGraphThread * fgt )

static

Definition at line 3384 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 3402 of file ffmpeg_filter.c.

Referenced by filter_thread().

check_reinit()

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

static

Definition at line 3429 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 3595 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",  0x42 , AV_OPT_TYPE_IMAGE_SIZE, {.str = NULL}, 0, INT_MAX },
    {"pixel_format", "set pixel format",  0x42 , AV_OPT_TYPE_PIXEL_FMT, {.i64 = AV_PIX_FMT_NONE}, -1, INT_MAX },
    {"colorspace", "color space",  0x42 , AV_OPT_TYPE_INT, {.i64 = AVCOL_SPC_UNSPECIFIED }, 0, INT_MAX },
    {"color_range", "color range",  0x42 , AV_OPT_TYPE_INT, {.i64 = AVCOL_RANGE_UNSPECIFIED }, 0, INT_MAX },
    {"alpha_mode", "color range",  0x42 , AV_OPT_TYPE_INT, {.i64 = AVALPHA_MODE_UNSPECIFIED }, 0, INT_MAX },
    {"chroma_location", "chroma sample location",  0x42 , AV_OPT_TYPE_INT, {.i64 = AVCHROMA_LOC_UNSPECIFIED }, 0, INT_MAX },
    {"ar", "set audio sampling rate (in Hz)",  0x42 , AV_OPT_TYPE_INT, {.i64 = 0 }, 0, INT_MAX },
    {"ch_layout", NULL,  0x42 , AV_OPT_TYPE_CHLAYOUT, {.str = NULL }, 0, 0 },
    { NULL },
}

Definition at line 666 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 =  0x42 ,
    .category                  = AV_CLASS_CATEGORY_FILTER,
}

Definition at line 678 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 1200 of file ffmpeg_filter.c.

Referenced by fg_create().