[FFmpeg-devel] [PATCH 1/2] avcodec/mlpdec: fix decoding single stereo stream in TrueHD

Paul B Mahol onemda at gmail.com
Sat Sep 18 20:21:04 EEST 2021


Signed-off-by: Paul B Mahol <onemda at gmail.com>
---
 libavcodec/mlpdec.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/libavcodec/mlpdec.c b/libavcodec/mlpdec.c
index bee47b6cc6..68c270ef52 100644
--- a/libavcodec/mlpdec.c
+++ b/libavcodec/mlpdec.c
@@ -408,6 +408,8 @@ static int read_major_sync(MLPDecodeContext *m, GetBitContext *gb)
                         mh.stream_type);
             return AVERROR_PATCHWELCOME;
         }
+        if (mh.channel_modifier_thd_stream0 == THD_CH_MODIFIER_STEREO)
+            m->substream[0].mask = AV_CH_LAYOUT_STEREO;
         if ((substr = (mh.num_substreams > 1)))
             m->substream[0].mask = AV_CH_LAYOUT_STEREO;
         if (mh.num_substreams > 2)
@@ -415,7 +417,7 @@ static int read_major_sync(MLPDecodeContext *m, GetBitContext *gb)
                 m->substream[2].mask = mh.channel_layout_thd_stream2;
             else
                 m->substream[2].mask = mh.channel_layout_thd_stream1;
-        m->substream[substr].mask = mh.channel_layout_thd_stream1;
+        m->substream[1].mask = mh.channel_layout_thd_stream1;
 
         if (m->avctx->channels<=2 && m->substream[substr].mask == AV_CH_LAYOUT_MONO && m->max_decoded_substream == 1) {
             av_log(m->avctx, AV_LOG_DEBUG, "Mono stream with 2 substreams, ignoring 2nd\n");
-- 
2.17.1



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