diff options
| -rw-r--r-- | doc/filters.texi | 4 | ||||
| -rw-r--r-- | libavfilter/avfilter.c | 21 | ||||
| -rw-r--r-- | libavfilter/version.h | 2 |
3 files changed, 24 insertions, 3 deletions
diff --git a/doc/filters.texi b/doc/filters.texi index 9632838956..b9575f47e9 100644 --- a/doc/filters.texi +++ b/doc/filters.texi @@ -282,6 +282,10 @@ sequential number of the input frame, starting from 0 @item pos the position in the file of the input frame, NAN if unknown + +@item w +@item h +width and height of the input frame if video @end table Additionally, these filters support an @option{enable} command that can be used diff --git a/libavfilter/avfilter.c b/libavfilter/avfilter.c index 7b114676aa..3805912828 100644 --- a/libavfilter/avfilter.c +++ b/libavfilter/avfilter.c @@ -381,8 +381,23 @@ int ff_poll_frame(AVFilterLink *link) return min; } -static const char *const var_names[] = { "t", "n", "pos", NULL }; -enum { VAR_T, VAR_N, VAR_POS, VAR_VARS_NB }; +static const char *const var_names[] = { + "t", + "n", + "pos", + "w", + "h", + NULL +}; + +enum { + VAR_T, + VAR_N, + VAR_POS, + VAR_W, + VAR_H, + VAR_VARS_NB +}; static int set_enable_expr(AVFilterContext *ctx, const char *expr) { @@ -1071,6 +1086,8 @@ static int ff_filter_frame_framed(AVFilterLink *link, AVFrame *frame) int64_t pos = av_frame_get_pkt_pos(out); dstctx->var_values[VAR_N] = link->frame_count; dstctx->var_values[VAR_T] = pts == AV_NOPTS_VALUE ? NAN : pts * av_q2d(link->time_base); + dstctx->var_values[VAR_W] = link->w; + dstctx->var_values[VAR_H] = link->h; dstctx->var_values[VAR_POS] = pos == -1 ? NAN : pos; dstctx->is_disabled = fabs(av_expr_eval(dstctx->enable, dstctx->var_values, NULL)) < 0.5; diff --git a/libavfilter/version.h b/libavfilter/version.h index 3e85c5538d..3759f974a4 100644 --- a/libavfilter/version.h +++ b/libavfilter/version.h @@ -31,7 +31,7 @@ #define LIBAVFILTER_VERSION_MAJOR 5 #define LIBAVFILTER_VERSION_MINOR 1 -#define LIBAVFILTER_VERSION_MICRO 102 +#define LIBAVFILTER_VERSION_MICRO 103 #define LIBAVFILTER_VERSION_INT AV_VERSION_INT(LIBAVFILTER_VERSION_MAJOR, \ LIBAVFILTER_VERSION_MINOR, \ |