Filter for reading the vertical interval timecode (VITC).
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Filter for reading the vertical interval timecode (VITC).
See also https://en.wikipedia.org/wiki/Vertical_interval_timecode
Definition in file vf_readvitc.c.
◆ LINE_DATA_SIZE
◆ OFFSET
◆ FLAGS
◆ AVFILTER_DEFINE_CLASS()
AVFILTER_DEFINE_CLASS |
( |
readvitc |
| ) |
|
◆ get_vitc_crc()
◆ get_pit_avg3()
◆ read_vitc_line()
◆ bcd2uint()
◆ make_vitc_tc_string()
static char* make_vitc_tc_string |
( |
char * |
buf, |
|
|
uint8_t * |
line |
|
) |
| |
|
static |
◆ init()
◆ config_props()
◆ query_formats()
◆ filter_frame()
◆ readvitc_options
◆ inputs
Initial value:= {
{
.name = "default",
},
}
static int filter_frame(AVFilterLink *inlink, AVFrame *frame)
static int config_props(AVFilterLink *inlink)
Definition at line 231 of file vf_readvitc.c.
◆ outputs
Initial value:= {
{
.name = "default",
},
}
Definition at line 241 of file vf_readvitc.c.
◆ ff_vf_readvitc
Initial value:= {
.name = "readvitc",
.description =
NULL_IF_CONFIG_SMALL(
"Read vertical interval timecode and write it to frame metadata."),
.priv_class = &readvitc_class,
}
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification.
static int query_formats(AVFilterContext *ctx)
static const AVFilterPad inputs[]
static const AVFilterPad outputs[]
static av_cold int init(AVFilterContext *ctx)
Definition at line 249 of file vf_readvitc.c.