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| author | Stefano Sabatini <stefasab@gmail.com> | 2013-12-20 19:10:46 +0100 |
|---|---|---|
| committer | Stefano Sabatini <stefasab@gmail.com> | 2013-12-20 19:13:42 +0100 |
| commit | 70e74e007270c43c161dad7495fc3c745d2fb08a (patch) | |
| tree | 7ea3e455ec7ab20ff440d1800493822a5c85283f | |
| parent | b07a5e9b6be902b70f536d9dce0dea45f48bc8d4 (diff) | |
| download | ffmpeg-70e74e007270c43c161dad7495fc3c745d2fb08a.tar.gz | |
lavfi/hue: force table initialization for the first frame
| -rw-r--r-- | libavfilter/vf_hue.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/libavfilter/vf_hue.c b/libavfilter/vf_hue.c index faa2e8df03..e54a13b250 100644 --- a/libavfilter/vf_hue.c +++ b/libavfilter/vf_hue.c @@ -73,6 +73,7 @@ typedef struct { AVExpr *brightness_pexpr; int hsub; int vsub; + int is_first; int32_t hue_sin; int32_t hue_cos; double var_values[VAR_NB]; @@ -207,6 +208,7 @@ static av_cold int init(AVFilterContext *ctx) "H_expr:%s h_deg_expr:%s s_expr:%s b_expr:%s\n", hue->hue_expr, hue->hue_deg_expr, hue->saturation_expr, hue->brightness_expr); compute_sin_and_cos(hue); + hue->is_first = 1; return 0; } @@ -356,10 +358,10 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *inpic) hue->var_values[VAR_T], (int)hue->var_values[VAR_N]); compute_sin_and_cos(hue); - if (old_hue_sin != hue->hue_sin || old_hue_cos != hue->hue_cos) + if (hue->is_first || (old_hue_sin != hue->hue_sin || old_hue_cos != hue->hue_cos)) create_chrominance_lut(hue, hue->hue_cos, hue->hue_sin); - if (old_brightness != hue->brightness && hue->brightness) + if (hue->is_first || (old_brightness != hue->brightness && hue->brightness)) create_luma_lut(hue); if (!direct) { @@ -383,6 +385,8 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *inpic) if (!direct) av_frame_free(&inpic); + + hue->is_first = 0; return ff_filter_frame(outlink, outpic); } |