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| author | Rudolf Polzer <divverent@xonotic.org> | 2013-02-03 17:03:39 +0000 |
|---|---|---|
| committer | Paul B Mahol <onemda@gmail.com> | 2013-02-03 17:05:31 +0000 |
| commit | 773fc6e0c7122740c3dd6530df6406282ced34da (patch) | |
| tree | 04c1ab7f05ea5c7d98c07aa0a0b6d282eaf7b090 | |
| parent | 4d37d2bfc53cf8b3eb9a8a2d3b8ab0d4277e5e55 (diff) | |
| download | ffmpeg-773fc6e0c7122740c3dd6530df6406282ced34da.tar.gz | |
lavfi/showspectrum: set default height to 512
Only power-of-two FFTs are supported; so to get a full spectrum
(that is, one up to Nyquist), the height must be a power of two.
Therefore, change the default height from 480 to 512.
Signed-off-by: Rudolf Polzer <divverent@xonotic.org>
| -rw-r--r-- | doc/filters.texi | 2 | ||||
| -rw-r--r-- | libavfilter/avf_showspectrum.c | 4 |
2 files changed, 3 insertions, 3 deletions
diff --git a/doc/filters.texi b/doc/filters.texi index 442fe35466..fdbe3b7671 100644 --- a/doc/filters.texi +++ b/doc/filters.texi @@ -6019,7 +6019,7 @@ spectrum. The filter accepts the following named parameters: @table @option @item size, s -Specify the video size for the output. Default value is @code{640x480}. +Specify the video size for the output. Default value is @code{640x512}. @item slide Specify if the spectrum should slide along the window. Default value is @code{0}. diff --git a/libavfilter/avf_showspectrum.c b/libavfilter/avf_showspectrum.c index 977fca92a6..d8aed0d773 100644 --- a/libavfilter/avf_showspectrum.c +++ b/libavfilter/avf_showspectrum.c @@ -51,8 +51,8 @@ typedef struct { #define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM static const AVOption showspectrum_options[] = { - { "size", "set video size", OFFSET(w), AV_OPT_TYPE_IMAGE_SIZE, {.str = "640x480"}, 0, 0, FLAGS }, - { "s", "set video size", OFFSET(w), AV_OPT_TYPE_IMAGE_SIZE, {.str = "640x480"}, 0, 0, FLAGS }, + { "size", "set video size", OFFSET(w), AV_OPT_TYPE_IMAGE_SIZE, {.str = "640x512"}, 0, 0, FLAGS }, + { "s", "set video size", OFFSET(w), AV_OPT_TYPE_IMAGE_SIZE, {.str = "640x512"}, 0, 0, FLAGS }, { "slide", "set sliding mode", OFFSET(sliding), AV_OPT_TYPE_INT, {.i64 = 0}, 0, 1, FLAGS }, { NULL }, }; |