Fixes #5602 and #5603.

Signed-off-by: Paul B Mahol <one...@gmail.com>
---
 libavformat/wavdec.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/libavformat/wavdec.c b/libavformat/wavdec.c
index 7176cd6..9f760c1 100644
--- a/libavformat/wavdec.c
+++ b/libavformat/wavdec.c
@@ -560,6 +560,19 @@ break_loop:
     if (sample_count)
         st->duration = sample_count;
 
+    if (st->codecpar->codec_id == AV_CODEC_ID_PCM_S32LE &&
+        st->codecpar->block_align == st->codecpar->channels * 4 &&
+        st->codecpar->bits_per_coded_sample == 32 &&
+        st->codecpar->extradata_size == 2 &&
+        AV_RL16(st->codecpar->extradata) == 1) {
+        st->codecpar->codec_id = AV_CODEC_ID_PCM_F16LE;
+        st->codecpar->bits_per_coded_sample = 16;
+    } else if (st->codecpar->codec_id == AV_CODEC_ID_PCM_S24LE &&
+               st->codecpar->block_align == st->codecpar->channels * 4 &&
+               st->codecpar->bits_per_coded_sample == 24) {
+        st->codecpar->codec_id = AV_CODEC_ID_PCM_F24LE;
+    }
+
     ff_metadata_conv_ctx(s, NULL, wav_metadata_conv);
     ff_metadata_conv_ctx(s, NULL, ff_riff_info_conv);
 
-- 
2.5.0

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