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author | Timo Rothenpieler <timo@rothenpieler.org> | 2020-11-03 19:28:06 +0100 |
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committer | Timo Rothenpieler <timo@rothenpieler.org> | 2020-11-03 19:58:13 +0100 |
commit | 4ad7af085cd3db473bf035394d7d934800461bdf (patch) | |
tree | e0dc6bcaf310d4216a71d653eab7eaebfc2ef5b6 /libavfilter/vf_scale_cuda.c | |
parent | 15c0e038ce90c3c1e13e80ea4fcf56c327b686f4 (diff) |
avfilter/scale_cuda: add nearest neighbour algorithm
Diffstat (limited to 'libavfilter/vf_scale_cuda.c')
-rw-r--r-- | libavfilter/vf_scale_cuda.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/libavfilter/vf_scale_cuda.c b/libavfilter/vf_scale_cuda.c index dc565cda89..dfa638dbf7 100644 --- a/libavfilter/vf_scale_cuda.c +++ b/libavfilter/vf_scale_cuda.c @@ -56,6 +56,7 @@ static const enum AVPixelFormat supported_formats[] = { enum { INTERP_ALGO_DEFAULT, + INTERP_ALGO_NEAREST, INTERP_ALGO_BILINEAR, INTERP_ALGO_BICUBIC, @@ -273,6 +274,12 @@ static av_cold int cudascale_config_props(AVFilterLink *outlink) extern char vf_scale_cuda_bicubic_ptx[]; switch(s->interp_algo) { + case INTERP_ALGO_NEAREST: + scaler_ptx = vf_scale_cuda_ptx; + function_infix = "_Nearest"; + s->interp_use_linear = 0; + s->interp_as_integer = 1; + break; case INTERP_ALGO_BILINEAR: scaler_ptx = vf_scale_cuda_ptx; function_infix = "_Bilinear"; @@ -591,6 +598,7 @@ static const AVOption options[] = { { "w", "Output video width", OFFSET(w_expr), AV_OPT_TYPE_STRING, { .str = "iw" }, .flags = FLAGS }, { "h", "Output video height", OFFSET(h_expr), AV_OPT_TYPE_STRING, { .str = "ih" }, .flags = FLAGS }, { "interp_algo", "Interpolation algorithm used for resizing", OFFSET(interp_algo), AV_OPT_TYPE_INT, { .i64 = INTERP_ALGO_DEFAULT }, 0, INTERP_ALGO_COUNT - 1, FLAGS, "interp_algo" }, + { "nearest", "nearest neighbour", 0, AV_OPT_TYPE_CONST, { .i64 = INTERP_ALGO_NEAREST }, 0, 0, FLAGS, "interp_algo" }, { "bilinear", "bilinear", 0, AV_OPT_TYPE_CONST, { .i64 = INTERP_ALGO_BILINEAR }, 0, 0, FLAGS, "interp_algo" }, { "bicubic", "bicubic", 0, AV_OPT_TYPE_CONST, { .i64 = INTERP_ALGO_BICUBIC }, 0, 0, FLAGS, "interp_algo" }, { "passthrough", "Do not process frames at all if parameters match", OFFSET(passthrough), AV_OPT_TYPE_BOOL, { .i64 = 1 }, 0, 1, FLAGS }, |