[FFmpeg-devel] [PATCH]Fix 32bit pcm audio in mov

Carl Eugen Hoyos cehoyos at ag.or.at
Mon Sep 29 02:01:25 CEST 2014


Hi!

Attached patch fixes decoding 32bit pcm audio in mov as written by the 
Convergent Design's Odyssey 7Q recorder.

Please comment, Carl Eugen
-------------- next part --------------
diff --git a/libavformat/mov.c b/libavformat/mov.c
index ae48c02..8070b4d 100644
--- a/libavformat/mov.c
+++ b/libavformat/mov.c
@@ -1422,6 +1422,10 @@ static void mov_parse_stsd_audio(MOVContext *c, AVIOContext *pb,
             st->codec->codec_id =
                 st->codec->codec_id == AV_CODEC_ID_PCM_S16BE ?
                 AV_CODEC_ID_PCM_S24BE : AV_CODEC_ID_PCM_S24LE;
+        else if (st->codec->bits_per_coded_sample == 32)
+             st->codec->codec_id =
+                st->codec->codec_id == AV_CODEC_ID_PCM_S16BE ?
+                AV_CODEC_ID_PCM_S32BE : AV_CODEC_ID_PCM_S32LE;
         break;
     /* set values for old format before stsd version 1 appeared */
     case AV_CODEC_ID_MACE3:


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