[FFmpeg-devel] [PATCH v4 2/2] avformat/riffdec: warn on invalid sample rate

[Viraaj Raulgaonkar <viraajraulgkar@gmail.com>]

If strict_std_compliance < FF_COMPLIANCE_STRICT, then warn the user of
the invalid sample rate instead of returning an error. In certain cases
the sample rate can get decoded later on during demux.

Fixes Trac Ticket #11361.
---
 libavformat/riffdec.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/libavformat/riffdec.c b/libavformat/riffdec.c
index 2b269b1682..a3eee43a41 100644
--- a/libavformat/riffdec.c
+++ b/libavformat/riffdec.c
@@ -180,9 +180,12 @@ int ff_get_wav_header(AVFormatContext *s, AVIOContext *pb,
     par->bit_rate = bitrate;
 
     if (par->sample_rate <= 0) {
-        av_log(s, AV_LOG_ERROR,
+        int strict = s->strict_std_compliance >= FF_COMPLIANCE_STRICT;
+        av_log(s, strict ? AV_LOG_ERROR : AV_LOG_WARNING,
                "Invalid sample rate: %d\n", par->sample_rate);
-        return AVERROR_INVALIDDATA;
+        if (strict)
+            return AVERROR_INVALIDDATA;
+        par->sample_rate = 0;
     }
     if (par->codec_id == AV_CODEC_ID_AAC_LATM) {
         /* Channels and sample_rate values are those prior to applying SBR
-- 
2.39.5

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