fftools_ffmpeg_filter.c File Reference

Go to the source code of this file.

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

Functions
static enum AVPixelFormat *	get_compliance_normal_pix_fmts (const AVCodec *codec, const enum AVPixelFormat default_formats[])
enum AVPixelFormat	choose_pixel_fmt (const AVCodec *codec, enum AVPixelFormat target, int strict_std_compliance)
static const char *	choose_pix_fmts (OutputFilter *ofilter, AVBPrint *bprint)
	DEF_CHOOSE_FORMAT (sample_fmts, enum AVSampleFormat, format, formats, AV_SAMPLE_FMT_NONE, "%s", av_get_sample_fmt_name) DEF_CHOOSE_FORMAT(sample_rates
static void	choose_channel_layouts (OutputFilter *ofilter, AVBPrint *bprint)
int	init_simple_filtergraph (InputStream *ist, OutputStream *ost)
static char *	describe_filter_link (FilterGraph *fg, AVFilterInOut *inout, int in)
static void	init_input_filter (FilterGraph *fg, AVFilterInOut *in)
static int	read_binary (const char *path, uint8_t **data, int *len)
static int	filter_opt_apply (AVFilterContext *f, const char *key, const char *val)
static int	graph_opts_apply (AVFilterGraphSegment *seg)
static int	graph_parse (AVFilterGraph *graph, const char *desc, AVFilterInOut **inputs, AVFilterInOut **outputs)
int	init_complex_filtergraph (FilterGraph *fg)
static int	insert_trim (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 (FilterGraph *fg, OutputFilter *ofilter, AVFilterInOut *out)
static int	configure_output_audio_filter (FilterGraph *fg, OutputFilter *ofilter, AVFilterInOut *out)
int	configure_output_filter (FilterGraph *fg, OutputFilter *ofilter, AVFilterInOut *out)
void	check_filter_outputs (void)
static int	sub2video_prepare (InputStream *ist, InputFilter *ifilter)
static int	configure_input_video_filter (FilterGraph *fg, InputFilter *ifilter, AVFilterInOut *in)
static int	configure_input_audio_filter (FilterGraph *fg, InputFilter *ifilter, AVFilterInOut *in)
static int	configure_input_filter (FilterGraph *fg, InputFilter *ifilter, AVFilterInOut *in)
static void	cleanup_filtergraph (FilterGraph *fg)
static int	filter_is_buffersrc (const AVFilterContext *f)
static int	graph_is_meta (AVFilterGraph *graph)
int	configure_filtergraph (FilterGraph *fg)
int	ifilter_parameters_from_frame (InputFilter *ifilter, const AVFrame *frame)
int	filtergraph_is_simple (FilterGraph *fg)

Variables
	int
	sample_rate
	sample_rates
	d

Macro Definition Documentation

AUTO_INSERT_FILTER

#define AUTO_INSERT_FILTER	(		opt_name,
			filter_name,
			arg
	)

Value:

    do {                 \
    AVFilterContext *filt_ctx;                                              \
                                                                            \
    av_log(NULL, 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, fg->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)

AUTO_INSERT_FILTER_INPUT

#define AUTO_INSERT_FILTER_INPUT	(		opt_name,
			filter_name,
			arg
	)

Value:

    do {                 \
    AVFilterContext *filt_ctx;                                              \
                                                                            \
    av_log(NULL, AV_LOG_INFO, opt_name " is forwarded to lavfi "            \
           "similarly to -af " filter_name "=%s.\n", arg);                  \
                                                                            \
    snprintf(name, sizeof(name), "graph_%d_%s_in_%d_%d",      \
                fg->index, filter_name, ist->file_index, ist->st->index);   \
    ret = avfilter_graph_create_filter(&filt_ctx,                           \
                                       avfilter_get_by_name(filter_name),   \
                                       name, arg, NULL, fg->graph);         \
    if (ret < 0)                                                            \
        return ret;                                                         \
                                                                            \
    ret = avfilter_link(last_filter, 0, filt_ctx, 0);                       \
    if (ret < 0)                                                            \
        return ret;                                                         \
                                                                            \
    last_filter = filt_ctx;                                                 \
} while (0)

DEF_CHOOSE_FORMAT

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

Value:

static void choose_ ## name (OutputFilter *ofilter, AVBPrint *bprint)          \
{                                                                              \
    if (ofilter->var == none && !ofilter->supported_list)                      \
        return;                                                                \
    av_bprintf(bprint, #name "=");                                             \
    if (ofilter->var != none) {                                                \
        av_bprintf(bprint, printf_format, get_name(ofilter->var));             \
    } else {                                                                   \
        const type *p;                                                         \
                                                                               \
        for (p = ofilter->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 154 of file fftools_ffmpeg_filter.c.

Function Documentation

check_filter_outputs()

void check_filter_outputs

(

void

)

Definition at line 822 of file fftools_ffmpeg_filter.c.

choose_channel_layouts()

static void choose_channel_layouts ( OutputFilter *  ofilter, AVBPrint *  bprint  )

static

Definition at line 183 of file fftools_ffmpeg_filter.c.

choose_pix_fmts()

static const char * choose_pix_fmts ( OutputFilter *  ofilter, AVBPrint *  bprint  )

static

Definition at line 114 of file fftools_ffmpeg_filter.c.

choose_pixel_fmt()

enum AVPixelFormat choose_pixel_fmt	(	const AVCodec *	codec,
		enum AVPixelFormat	target,
		int	strict_std_compliance
	)

Definition at line 80 of file fftools_ffmpeg_filter.c.

cleanup_filtergraph()

static void cleanup_filtergraph ( FilterGraph *  fg )

static

Definition at line 1102 of file fftools_ffmpeg_filter.c.

configure_filtergraph()

int configure_filtergraph

(

FilterGraph *

fg

)

Definition at line 1136 of file fftools_ffmpeg_filter.c.

configure_input_audio_filter()

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

static

Definition at line 1009 of file fftools_ffmpeg_filter.c.

configure_input_filter()

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

static

Definition at line 1086 of file fftools_ffmpeg_filter.c.

configure_input_video_filter()

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

static

Definition at line 884 of file fftools_ffmpeg_filter.c.

configure_output_audio_filter()

static int configure_output_audio_filter ( FilterGraph *  fg, OutputFilter *  ofilter, AVFilterInOut *  out  )

static

Definition at line 696 of file fftools_ffmpeg_filter.c.

configure_output_filter()

int configure_output_filter	(	FilterGraph *	fg,
		OutputFilter *	ofilter,
		AVFilterInOut *	out
	)

Definition at line 807 of file fftools_ffmpeg_filter.c.

configure_output_video_filter()

static int configure_output_video_filter ( FilterGraph *  fg, OutputFilter *  ofilter, AVFilterInOut *  out  )

static

Definition at line 602 of file fftools_ffmpeg_filter.c.

DEF_CHOOSE_FORMAT()

DEF_CHOOSE_FORMAT	(	sample_fmts	,
		enum	AVSampleFormat,
		format	,
		formats	,
		AV_SAMPLE_FMT_NONE	,
		"%s"	,
		av_get_sample_fmt_name
	)

describe_filter_link()

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

static

Definition at line 238 of file fftools_ffmpeg_filter.c.

filter_is_buffersrc()

static int filter_is_buffersrc ( const AVFilterContext *  f )

static

Definition at line 1112 of file fftools_ffmpeg_filter.c.

filter_opt_apply()

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

static

Definition at line 387 of file fftools_ffmpeg_filter.c.

filtergraph_is_simple()

int filtergraph_is_simple

(

FilterGraph *

fg

)

Definition at line 1331 of file fftools_ffmpeg_filter.c.

get_compliance_normal_pix_fmts()

static enum AVPixelFormat * get_compliance_normal_pix_fmts ( const AVCodec *  codec, const enum AVPixelFormat  default_formats[]  )

static

Definition at line 66 of file fftools_ffmpeg_filter.c.

graph_is_meta()

static int graph_is_meta ( AVFilterGraph *  graph )

static

Definition at line 1119 of file fftools_ffmpeg_filter.c.

graph_opts_apply()

static int graph_opts_apply ( AVFilterGraphSegment *  seg )

static

Definition at line 442 of file fftools_ffmpeg_filter.c.

graph_parse()

static int graph_parse ( AVFilterGraph *  graph, const char *  desc, AVFilterInOut **  inputs, AVFilterInOut **  outputs  )

static

Definition at line 466 of file fftools_ffmpeg_filter.c.

ifilter_parameters_from_frame()

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

Definition at line 1299 of file fftools_ffmpeg_filter.c.

init_complex_filtergraph()

int init_complex_filtergraph

(

FilterGraph *

fg

)

Definition at line 491 of file fftools_ffmpeg_filter.c.

init_input_filter()

static void init_input_filter ( FilterGraph *  fg, AVFilterInOut *  in  )

static

Definition at line 255 of file fftools_ffmpeg_filter.c.

init_simple_filtergraph()

int init_simple_filtergraph	(	InputStream *	ist,
		OutputStream *	ost
	)

Definition at line 203 of file fftools_ffmpeg_filter.c.

insert_filter()

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

static

Definition at line 580 of file fftools_ffmpeg_filter.c.

insert_trim()

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

static

Definition at line 529 of file fftools_ffmpeg_filter.c.

read_binary()

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

static

Definition at line 341 of file fftools_ffmpeg_filter.c.

sub2video_prepare()

static int sub2video_prepare ( InputStream *  ist, InputFilter *  ifilter  )

static

Definition at line 837 of file fftools_ffmpeg_filter.c.

Variable Documentation

d

d

Definition at line 181 of file fftools_ffmpeg_filter.c.

int

int

Definition at line 180 of file fftools_ffmpeg_filter.c.

sample_rate

sample_rate

Definition at line 180 of file fftools_ffmpeg_filter.c.

sample_rates

sample_rates

Definition at line 180 of file fftools_ffmpeg_filter.c.