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lavfi/avfilter: make ff_inlink_evaluate_timeline_at_frame() static 

It is not used outside of avfilter.c
This commit is contained in:
Anton Khirnov 2024-10-03 21:00:55 +02:00
parent 6647e57dcb
commit d3739dcbec
2 changed files with 34 additions and 36 deletions
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62
libavfilter/avfilter.c
View File

@ -995,6 +995,38 @@ static int default_filter_frame(AVFilterLink *link, AVFrame *frame)
return ff_filter_frame(link->dst->outputs[0], frame); return ff_filter_frame(link->dst->outputs[0], frame);
} }
/**
* Evaluate the timeline expression of the link for the time and properties
* of the frame.
* @return >0 if enabled, 0 if disabled
* @note It does not update link->dst->is_disabled.
*/
static int evaluate_timeline_at_frame(AVFilterLink *link, const AVFrame *frame)
{
FilterLink *l = ff_filter_link(link);
AVFilterContext *dstctx = link->dst;
FFFilterContext *dsti = fffilterctx(dstctx);
int64_t pts = frame->pts;
#if FF_API_FRAME_PKT
FF_DISABLE_DEPRECATION_WARNINGS
int64_t pos = frame->pkt_pos;
FF_ENABLE_DEPRECATION_WARNINGS
#endif
if (!dstctx->enable_str)
return 1;
dsti->var_values[VAR_N] = l->frame_count_out;
dsti->var_values[VAR_T] = pts == AV_NOPTS_VALUE ? NAN : pts * av_q2d(link->time_base);
dsti->var_values[VAR_W] = link->w;
dsti->var_values[VAR_H] = link->h;
#if FF_API_FRAME_PKT
dsti->var_values[VAR_POS] = pos == -1 ? NAN : pos;
#endif
return fabs(av_expr_eval(dsti->enable, dsti->var_values, NULL)) >= 0.5;
}
static int ff_filter_frame_framed(AVFilterLink *link, AVFrame *frame) static int ff_filter_frame_framed(AVFilterLink *link, AVFrame *frame)
{ {
FilterLink *l = ff_filter_link(link); FilterLink *l = ff_filter_link(link);
@ -1013,7 +1045,7 @@ static int ff_filter_frame_framed(AVFilterLink *link, AVFrame *frame)
} }
ff_inlink_process_commands(link, frame); ff_inlink_process_commands(link, frame);
dstctx->is_disabled = !ff_inlink_evaluate_timeline_at_frame(link, frame); dstctx->is_disabled = !evaluate_timeline_at_frame(link, frame);
if (dstctx->is_disabled && if (dstctx->is_disabled &&
(dstctx->filter->flags & AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC)) (dstctx->filter->flags & AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC))
@ -1451,7 +1483,7 @@ static void consume_update(FilterLinkInternal *li, const AVFrame *frame)
update_link_current_pts(li, frame->pts); update_link_current_pts(li, frame->pts);
ff_inlink_process_commands(link, frame); ff_inlink_process_commands(link, frame);
if (link == link->dst->inputs[0]) if (link == link->dst->inputs[0])
link->dst->is_disabled = !ff_inlink_evaluate_timeline_at_frame(link, frame); link->dst->is_disabled = !evaluate_timeline_at_frame(link, frame);
li->l.frame_count_out++; li->l.frame_count_out++;
li->l.sample_count_out += frame->nb_samples; li->l.sample_count_out += frame->nb_samples;
} }
@ -1559,32 +1591,6 @@ int ff_inlink_process_commands(AVFilterLink *link, const AVFrame *frame)
return 0; return 0;
} }
int ff_inlink_evaluate_timeline_at_frame(AVFilterLink *link, const AVFrame *frame)
{
FilterLink *l = ff_filter_link(link);
AVFilterContext *dstctx = link->dst;
FFFilterContext *dsti = fffilterctx(dstctx);
int64_t pts = frame->pts;
#if FF_API_FRAME_PKT
FF_DISABLE_DEPRECATION_WARNINGS
int64_t pos = frame->pkt_pos;
FF_ENABLE_DEPRECATION_WARNINGS
#endif
if (!dstctx->enable_str)
return 1;
dsti->var_values[VAR_N] = l->frame_count_out;
dsti->var_values[VAR_T] = pts == AV_NOPTS_VALUE ? NAN : pts * av_q2d(link->time_base);
dsti->var_values[VAR_W] = link->w;
dsti->var_values[VAR_H] = link->h;
#if FF_API_FRAME_PKT
dsti->var_values[VAR_POS] = pos == -1 ? NAN : pos;
#endif
return fabs(av_expr_eval(dsti->enable, dsti->var_values, NULL)) >= 0.5;
}
void ff_inlink_request_frame(AVFilterLink *link) void ff_inlink_request_frame(AVFilterLink *link)
{ {
av_unused FilterLinkInternal *li = ff_link_internal(link); av_unused FilterLinkInternal *li = ff_link_internal(link);

8
libavfilter/avfilter_internal.h
View File

@ -222,12 +222,4 @@ int ff_filter_graph_run_once(AVFilterGraph *graph);
*/ */
int ff_inlink_process_commands(AVFilterLink *link, const AVFrame *frame); int ff_inlink_process_commands(AVFilterLink *link, const AVFrame *frame);
/**
* Evaluate the timeline expression of the link for the time and properties
* of the frame.
* @return >0 if enabled, 0 if disabled
* @note It does not update link->dst->is_disabled.
*/
int ff_inlink_evaluate_timeline_at_frame(AVFilterLink *link, const AVFrame *frame);
#endif /* AVFILTER_AVFILTER_INTERNAL_H */ #endif /* AVFILTER_AVFILTER_INTERNAL_H */