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| author | Paul B Mahol <onemda@gmail.com> | 2017-11-21 12:07:13 +0100 |
|---|---|---|
| committer | Paul B Mahol <onemda@gmail.com> | 2017-11-21 12:27:03 +0100 |
| commit | afd2bf54c31b501244941e93bff364c6aa60e02c (patch) | |
| tree | 1219a0b68de4f2a230abf509a41c7ab5aefcd4e9 /libavfilter/avf_avectorscope.c | |
| parent | 37810bee7839f7524e68db83c3aef7b7474fce80 (diff) | |
| download | ffmpeg-afd2bf54c31b501244941e93bff364c6aa60e02c.tar.gz | |
avfilter/avf_avectorscope: add swap and mirror options
Signed-off-by: Paul B Mahol <onemda@gmail.com>
Diffstat (limited to 'libavfilter/avf_avectorscope.c')
| -rw-r--r-- | libavfilter/avf_avectorscope.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/libavfilter/avf_avectorscope.c b/libavfilter/avf_avectorscope.c index c8ff0698e3..725ac8bbda 100644 --- a/libavfilter/avf_avectorscope.c +++ b/libavfilter/avf_avectorscope.c @@ -65,6 +65,8 @@ typedef struct AudioVectorScopeContext { int contrast[4]; int fade[4]; double zoom; + int swap; + int mirror; unsigned prev_x, prev_y; AVRational frame_rate; } AudioVectorScopeContext; @@ -99,6 +101,12 @@ static const AVOption avectorscope_options[] = { { "sqrt", "square root", 0, AV_OPT_TYPE_CONST, {.i64=SQRT}, 0, 0, FLAGS, "scale" }, { "cbrt", "cube root", 0, AV_OPT_TYPE_CONST, {.i64=CBRT}, 0, 0, FLAGS, "scale" }, { "log", "logarithmic", 0, AV_OPT_TYPE_CONST, {.i64=LOG}, 0, 0, FLAGS, "scale" }, + { "swap", "swap x axis with y axis", OFFSET(swap), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1, FLAGS }, + { "mirror", "mirror axis", OFFSET(mirror), AV_OPT_TYPE_INT, {.i64=2}, 0, 3, FLAGS, "mirror" }, + { "none", "no mirror", 0, AV_OPT_TYPE_CONST, {.i64=0}, 0, 0, FLAGS, "mirror" }, + { "x", "mirror x", 0, AV_OPT_TYPE_CONST, {.i64=1}, 0, 0, FLAGS, "mirror" }, + { "y", "mirror y", 0, AV_OPT_TYPE_CONST, {.i64=2}, 0, 0, FLAGS, "mirror" }, + { "xy", "mirror both", 0, AV_OPT_TYPE_CONST, {.i64=3}, 0, 0, FLAGS, "mirror" }, { NULL } }; @@ -316,6 +324,15 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *insamples) break; } + if (s->mirror & 1) + src[0] = -src[0]; + + if (s->mirror & 2) + src[1] = -src[1]; + + if (s->swap) + FFSWAP(float, src[0], src[1]);; + if (s->mode == LISSAJOUS) { x = ((src[1] - src[0]) * zoom / 2 + 1) * hw; y = (1.0 - (src[0] + src[1]) * zoom / 2) * hh; |