[FFmpeg-cvslog] ffmpeg: more expressive sample rate automatic selection.
Clément Bœsch
git at videolan.org
Mon Mar 26 22:48:10 CEST 2012
ffmpeg | branch: master | Clément Bœsch <clement.boesch at smartjog.com> | Tue Mar 20 16:19:49 2012 +0100| [21d650cb69fd6ec42d3f0c8115978f5cf8b34277] | committer: Clément Bœsch
ffmpeg: more expressive sample rate automatic selection.
Output now lists the available sample rates with commands like
ffmpeg -f lavfi -i aevalsrc=0 -ar 20000 -y /tmp/out.mp3
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=21d650cb69fd6ec42d3f0c8115978f5cf8b34277
---
ffmpeg.c | 13 ++++++++++++-
1 files changed, 12 insertions(+), 1 deletions(-)
diff --git a/ffmpeg.c b/ffmpeg.c
index d3be033..eb535fe 100644
--- a/ffmpeg.c
+++ b/ffmpeg.c
@@ -953,7 +953,18 @@ static void choose_sample_rate(AVStream *st, AVCodec *codec)
}
}
if (best_dist) {
- av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
+ int i;
+ const int *sample_rates = codec->supported_samplerates;
+ av_log(st->codec, AV_LOG_WARNING,
+ "Requested sampling rate (%dHz) unsupported, using %dHz instead\n"
+ "Available sampling rates for %s:",
+ st->codec->sample_rate, best, codec->name);
+ for (i = 0; sample_rates[i]; i++) {
+ if (!sample_rates[i + 1]) av_log(st->codec, AV_LOG_WARNING, " and");
+ else if (i) av_log(st->codec, AV_LOG_WARNING, ",");
+ av_log(st->codec, AV_LOG_WARNING, " %d", sample_rates[i]);
+ }
+ av_log(st->codec, AV_LOG_WARNING, ".\n");
}
st->codec->sample_rate = best;
}
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