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| author | Paul B Mahol <onemda@gmail.com> | 2018-06-03 12:43:43 +0200 |
|---|---|---|
| committer | Paul B Mahol <onemda@gmail.com> | 2018-06-03 12:43:43 +0200 |
| commit | 49eda27c6e7ad699d8f09c8ba60b9507946d1b1c (patch) | |
| tree | 82351724901a6fd0b44b55b834ba7df72278b0f4 /libavfilter | |
| parent | 9add1786ad4c9549e133ba7a79c22d9c4b19acf3 (diff) | |
| download | ffmpeg-49eda27c6e7ad699d8f09c8ba60b9507946d1b1c.tar.gz | |
avfilter/avf_showspectrum: also show sample rate and channel layout
Signed-off-by: Paul B Mahol <onemda@gmail.com>
Diffstat (limited to 'libavfilter')
| -rw-r--r-- | libavfilter/avf_showspectrum.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/libavfilter/avf_showspectrum.c b/libavfilter/avf_showspectrum.c index bf9f3c5b91..04fcc8d756 100644 --- a/libavfilter/avf_showspectrum.c +++ b/libavfilter/avf_showspectrum.c @@ -1082,9 +1082,19 @@ static int showspectrumpic_request_frame(AVFilterLink *outlink) if (s->legend) { int multi = (s->mode == SEPARATE && s->color_mode == CHANNEL); float spp = samples / (float)sz; + char *text; uint8_t *dst; + char chlayout_str[128]; + + av_get_channel_layout_string(chlayout_str, sizeof(chlayout_str), inlink->channels, + inlink->channel_layout); + + text = av_asprintf("%d Hz | %s", inlink->sample_rate, chlayout_str); drawtext(s->outpicref, 2, outlink->h - 10, "CREATED BY LIBAVFILTER", 0); + drawtext(s->outpicref, outlink->w - 2 - strlen(text) * 10, outlink->h - 10, text, 0); + + av_freep(&text); dst = s->outpicref->data[0] + (s->start_y - 1) * s->outpicref->linesize[0] + s->start_x - 1; for (x = 0; x < s->w + 1; x++) |