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| author | Linjie Fu <fulinjie@zju.edu.cn> | 2021-08-05 00:35:02 +0800 |
|---|---|---|
| committer | Linjie Fu <fulinjie@zju.edu.cn> | 2021-08-05 22:23:49 +0800 |
| commit | 9f14396a5103ec80893db801035ece5d14c0d3c5 (patch) | |
| tree | d7b2bfe16ab1a671db3ba1cf6ad947750c0a6bdd | |
| parent | 9dbf95f2099a6f53d87c0041d9c2ac710fb80366 (diff) | |
lavfi/vf_scale: use default swscale flags for scaler
Currently the default swscale flags for simple filter graph is bicubic,
however for complex filter graph it uses bilinear as decleared in scale
filter.
$ffmpeg -v verbose -i input.mp4 -vf format=yuv420p,scale=800x600 -an -f null -
[Parsed_scale_1 @ 0x7f86d2c160c0] w:1920 h:1080 fmt:yuv420p sar:0/1 -> w:800 h:600 fmt:yuv420p sar:0/1 flags:0x4
$ffmpeg -v verbose -i input.mp4 -filter_complex format=yuv420p,scale=800x600 -an -f null -
[Parsed_scale_1 @ 0x7f8779e046c0] w:1920 h:1080 fmt:yuv420p sar:0/1 -> w:800 h:600 fmt:yuv420p sar:0/1 flags:0x2
Use default swscale flags (bicubic currently) for scale filter.
- Remove flags="bilinear" from vf_scale
- Update the FATE refs
Signed-off-by: Linjie Fu <linjie.justin.fu@gmail.com>
| -rw-r--r-- | libavfilter/vf_scale.c | 4 | ||||
| -rw-r--r-- | tests/ref/fate/filter-scale2ref_keep_aspect | 10 |
2 files changed, 7 insertions, 7 deletions
diff --git a/libavfilter/vf_scale.c b/libavfilter/vf_scale.c index f07e01bf90..aa855b894a 100644 --- a/libavfilter/vf_scale.c +++ b/libavfilter/vf_scale.c @@ -313,7 +313,7 @@ static av_cold int init_dict(AVFilterContext *ctx, AVDictionary **opts) scale->flags = 0; - if (scale->flags_str) { + if (scale->flags_str && *scale->flags_str) { const AVClass *class = sws_get_class(); const AVOption *o = av_opt_find(&class, "sws_flags", NULL, 0, AV_OPT_SEARCH_FAKE_OBJ); @@ -900,7 +900,7 @@ static const AVOption scale_options[] = { { "width", "Output video width", OFFSET(w_expr), AV_OPT_TYPE_STRING, .flags = TFLAGS }, { "h", "Output video height", OFFSET(h_expr), AV_OPT_TYPE_STRING, .flags = TFLAGS }, { "height","Output video height", OFFSET(h_expr), AV_OPT_TYPE_STRING, .flags = TFLAGS }, - { "flags", "Flags to pass to libswscale", OFFSET(flags_str), AV_OPT_TYPE_STRING, { .str = "bilinear" }, .flags = FLAGS }, + { "flags", "Flags to pass to libswscale", OFFSET(flags_str), AV_OPT_TYPE_STRING, { .str = "" }, .flags = FLAGS }, { "interl", "set interlacing", OFFSET(interlaced), AV_OPT_TYPE_BOOL, {.i64 = 0 }, -1, 1, FLAGS }, { "size", "set video size", OFFSET(size_str), AV_OPT_TYPE_STRING, {.str = NULL}, 0, FLAGS }, { "s", "set video size", OFFSET(size_str), AV_OPT_TYPE_STRING, {.str = NULL}, 0, FLAGS }, diff --git a/tests/ref/fate/filter-scale2ref_keep_aspect b/tests/ref/fate/filter-scale2ref_keep_aspect index 8dd0dbb13b..53c6fc14ec 100644 --- a/tests/ref/fate/filter-scale2ref_keep_aspect +++ b/tests/ref/fate/filter-scale2ref_keep_aspect @@ -7,8 +7,8 @@ #dimensions 0: 160x120 #sar 0: 1/1 #stream#, dts, pts, duration, size, hash -0, 0, 0, 1, 57600, 9a19c23dc3a557786840d0098606d5f1 -0, 1, 1, 1, 57600, e6fbdabaf1bb0d28afc648ed4d27e9f0 -0, 2, 2, 1, 57600, 52924ed0a751214c50fb2e7a626c8cc5 -0, 3, 3, 1, 57600, 67d5fd6ee71793f1cf8794d1c27afdce -0, 4, 4, 1, 57600, 85f7775f7b01afd369fc8919dc759d30 +0, 0, 0, 1, 57600, 65fe9892ad710cc5763b04b390327d40 +0, 1, 1, 1, 57600, 5e8d4524bc8889afa8769e851e998bc0 +0, 2, 2, 1, 57600, 8f5e0e58d1f4c2104b82ef7a16850f1e +0, 3, 3, 1, 57600, cfe4142845e1445d33748493faa63cda +0, 4, 4, 1, 57600, bb491f3b01788773fb6129aef0f0abd2 |