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authorPaul B Mahol <onemda@gmail.com>2013-04-04 15:29:01 +0000
committerPaul B Mahol <onemda@gmail.com>2013-04-04 15:30:06 +0000
commitb1dea2c0d8946bfebd84984df359915667eb2ff3 (patch)
tree83b39474b68c3550d51d354f28cf01b7dfe76c3c /libavfilter/vf_blend.c
parent6a08ccd61da040955ed24c0eb3d24ab4e860852a (diff)
lavfi/blend: add N variable
Signed-off-by: Paul B Mahol <onemda@gmail.com>
Diffstat (limited to 'libavfilter/vf_blend.c')
-rw-r--r--libavfilter/vf_blend.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/libavfilter/vf_blend.c b/libavfilter/vf_blend.c
index 429956db5d..1a88db1ce7 100644
--- a/libavfilter/vf_blend.c
+++ b/libavfilter/vf_blend.c
@@ -60,8 +60,8 @@ enum BlendMode {
BLEND_NB
};
-static const char *const var_names[] = { "X", "Y", "W", "H", "SW", "SH", "T", "A", "B", "TOP", "BOTTOM", NULL };
-enum { VAR_X, VAR_Y, VAR_W, VAR_H, VAR_SW, VAR_SH, VAR_T, VAR_A, VAR_B, VAR_TOP, VAR_BOTTOM, VAR_VARS_NB };
+static const char *const var_names[] = { "X", "Y", "W", "H", "SW", "SH", "T", "N", "A", "B", "TOP", "BOTTOM", NULL };
+enum { VAR_X, VAR_Y, VAR_W, VAR_H, VAR_SW, VAR_SH, VAR_T, VAR_N, VAR_A, VAR_B, VAR_TOP, VAR_BOTTOM, VAR_VARS_NB };
typedef struct FilterParams {
enum BlendMode mode;
@@ -81,6 +81,7 @@ typedef struct {
struct FFBufQueue queue_bottom;
int hsub, vsub; ///< chroma subsampling values
int frame_requested;
+ int framenum;
char *all_expr;
enum BlendMode all_mode;
double all_opacity;
@@ -387,6 +388,7 @@ static void blend_frame(AVFilterContext *ctx,
uint8_t *bottom = bottom_buf->data[plane];
param = &b->params[plane];
+ param->values[VAR_N] = b->framenum++;
param->values[VAR_T] = dst_buf->pts == AV_NOPTS_VALUE ? NAN : dst_buf->pts * av_q2d(inlink->time_base);
param->values[VAR_W] = outw;
param->values[VAR_H] = outh;