From 553c5e9f234d062d921a4150b64ffd9b19c05135 Mon Sep 17 00:00:00 2001 From: Stefano Sabatini Date: Fri, 16 Sep 2011 18:46:09 +0200 Subject: lavfi: add and use an inlink variable in avfilter_config_links() Simplify expressions, improve readability. --- libavfilter/avfilter.c | 21 +++++++++++---------- 1 file changed, 11 insertions(+), 10 deletions(-) (limited to 'libavfilter/avfilter.c') diff --git a/libavfilter/avfilter.c b/libavfilter/avfilter.c index df1dd65b16..783fda5c2e 100644 --- a/libavfilter/avfilter.c +++ b/libavfilter/avfilter.c @@ -246,6 +246,8 @@ int avfilter_config_links(AVFilterContext *filter) for (i = 0; i < filter->input_count; i ++) { AVFilterLink *link = filter->inputs[i]; + AVFilterLink *inlink = link->src->input_count ? + link->src->inputs[0] : NULL; if (!link) continue; @@ -275,18 +277,17 @@ int avfilter_config_links(AVFilterContext *filter) switch (link->type) { case AVMEDIA_TYPE_VIDEO: if (!link->time_base.num && !link->time_base.den) - link->time_base = link->src->input_count ? - link->src->inputs[0]->time_base : AV_TIME_BASE_Q; + link->time_base = inlink ? inlink->time_base : AV_TIME_BASE_Q; if (!link->sample_aspect_ratio.num && !link->sample_aspect_ratio.den) - link->sample_aspect_ratio = link->src->input_count ? - link->src->inputs[0]->sample_aspect_ratio : (AVRational){1,1}; + link->sample_aspect_ratio = inlink ? + inlink->sample_aspect_ratio : (AVRational){1,1}; - if (link->src->input_count) { + if (inlink) { if (!link->w) - link->w = link->src->inputs[0]->w; + link->w = inlink->w; if (!link->h) - link->h = link->src->inputs[0]->h; + link->h = inlink->h; } else if (!link->w || !link->h) { av_log(link->src, AV_LOG_ERROR, "Video source filters must set their output link's " @@ -296,11 +297,11 @@ int avfilter_config_links(AVFilterContext *filter) break; case AVMEDIA_TYPE_AUDIO: - if (link->src->input_count) { + if (inlink) { if (!link->sample_rate) - link->sample_rate = link->src->inputs[0]->sample_rate; + link->sample_rate = inlink->sample_rate; if (!link->time_base.num && !link->time_base.den) - link->time_base = link->src->inputs[0]->time_base; + link->time_base = inlink->time_base; } else if (!link->sample_rate) { av_log(link->src, AV_LOG_ERROR, "Audio source filters must set their output link's " -- cgit v1.2.3