[FFmpeg-devel] [PATCH 04/18] avradio/sdrinradio: Dont automatically select 2.56Mhz on the rtlsdr

From: Michael Niedermayer <michael@niedermayer.cc>
To: FFmpeg development discussions and patches <ffmpeg-devel@ffmpeg.org>
Subject: [FFmpeg-devel] [PATCH 04/18] avradio/sdrinradio: Dont automatically select 2.56Mhz on the rtlsdr
Date: Sat,  8 Jul 2023 23:25:16 +0200
Message-ID: <20230708212530.109692-4-michael@niedermayer.cc> (raw)
In-Reply-To: <20230708212530.109692-1-michael@niedermayer.cc>

2.56Mhz produces more artifacts than lower sample rates at least
in the FM broadcast band

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
---
 libavradio/sdrinradio.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/libavradio/sdrinradio.c b/libavradio/sdrinradio.c
index c6f5742436..052e2298da 100644
--- a/libavradio/sdrinradio.c
+++ b/libavradio/sdrinradio.c
@@ -235,8 +235,8 @@ static int sdrindev_initial_hw_setup(AVFormatContext *s)
             (sdr->sdr_sample_rate < ranges[i].minimum || sdr->sdr_sample_rate > ranges[i].maximum))
             continue;
         if (sdr->rtlsdr_fixes)
-            // 2.88 and 3.2 Mhz do not work reliable here so lets not automatically choose them, the user can override this
-            if (ranges[i].maximum > (2560000 + 2880000)/2)
+            // 2.56, 2.88 and 3.2 Mhz do not work reliable here so lets not automatically choose them, the user can override this
+            if (ranges[i].maximum > (2560000 + 2160000)/2)
                 continue;
         max_sample_rate = FFMAX(max_sample_rate, ranges[i].maximum);
     }
-- 
2.31.1

_______________________________________________
ffmpeg-devel mailing list
ffmpeg-devel@ffmpeg.org
https://ffmpeg.org/mailman/listinfo/ffmpeg-devel

To unsubscribe, visit link above, or email
ffmpeg-devel-request@ffmpeg.org with subject "unsubscribe".
