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| author | Anton Khirnov <anton@khirnov.net> | 2021-05-23 16:06:55 +0200 |
|---|---|---|
| committer | Anton Khirnov <anton@khirnov.net> | 2021-07-12 12:49:25 +0200 |
| commit | a948e47960fb16819af16d0542a203c59d8de157 (patch) | |
| tree | cd6451f910e700e82d2f3a65c2de904f0a9f4aa6 /libavfilter/vf_scale.c | |
| parent | 6d51d65fb99d2dd02cb5589226641f4cb75752db (diff) | |
| download | ffmpeg-a948e47960fb16819af16d0542a203c59d8de157.tar.gz | |
lavfi/vf_scale: forward errors from swscale
Diffstat (limited to 'libavfilter/vf_scale.c')
| -rw-r--r-- | libavfilter/vf_scale.c | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/libavfilter/vf_scale.c b/libavfilter/vf_scale.c index 72b49e8918..71d7fa2890 100644 --- a/libavfilter/vf_scale.c +++ b/libavfilter/vf_scale.c @@ -655,6 +655,7 @@ static int scale_frame(AVFilterLink *link, AVFrame *in, AVFrame **frame_out) AVFrame *out; const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(link->format); char buf[32]; + int ret; int in_range; int frame_changed; @@ -669,7 +670,6 @@ static int scale_frame(AVFilterLink *link, AVFrame *in, AVFrame **frame_out) in->sample_aspect_ratio.num != link->sample_aspect_ratio.num; if (scale->eval_mode == EVAL_MODE_FRAME || frame_changed) { - int ret; unsigned vars_w[VARS_NB] = { 0 }, vars_h[VARS_NB] = { 0 }; av_expr_count_vars(scale->w_pexpr, vars_w, VARS_NB); @@ -791,8 +791,9 @@ scale: INT_MAX); if (scale->interlaced>0 || (scale->interlaced<0 && in->interlaced_frame)) { - scale_slice(scale, out, in, scale->isws[0], 0, (link->h+1)/2, 2, 0); - scale_slice(scale, out, in, scale->isws[1], 0, link->h /2, 2, 1); + ret = scale_slice(scale, out, in, scale->isws[0], 0, (link->h+1)/2, 2, 0); + if (ret >= 0) + ret = scale_slice(scale, out, in, scale->isws[1], 0, link->h /2, 2, 1); } else if (scale->nb_slices) { int i, slice_h, slice_start, slice_end = 0; const int nb_slices = FFMIN(scale->nb_slices, link->h); @@ -800,14 +801,18 @@ scale: slice_start = slice_end; slice_end = (link->h * (i+1)) / nb_slices; slice_h = slice_end - slice_start; - scale_slice(scale, out, in, scale->sws, slice_start, slice_h, 1, 0); + ret = scale_slice(scale, out, in, scale->sws, slice_start, slice_h, 1, 0); + if (ret < 0) + break; } } else { - scale_slice(scale, out, in, scale->sws, 0, link->h, 1, 0); + ret = scale_slice(scale, out, in, scale->sws, 0, link->h, 1, 0); } av_frame_free(&in); - return 0; + if (ret < 0) + av_frame_free(frame_out); + return ret; } static int filter_frame(AVFilterLink *link, AVFrame *in) |