From: qoroliang <qoroli...@tencent.com>
aac decoder only do the window overlapping data buffer flush but
without sbr related buffer flush, that will cause dirty data in
the first output frame after flush.
Signed-off-by: qoroliang <qoroli...@tencent.com>
---
libavcodec/aacdec_template.c | 6 ++++++
1 files changed, 6 insertions(+), 0 deletions(-)
diff --git a/libavcodec/aacdec_template.c b/libavcodec/aacdec_template.c
index bb11de3..8f8dc24 100644
--- a/libavcodec/aacdec_template.c
+++ b/libavcodec/aacdec_template.c
@@ -507,7 +507,13 @@ static void flush(AVCodecContext *avctx)
ChannelElement *che = ac->che[type][i];
if (che) {
for (j = 0; j <= 1; j++) {
+ // LTP buffer related data buffer
+ // or windowing overlapping
memset(che->ch[j].saved, 0, sizeof(che->ch[j].saved));
+ memset(che->ch[j].coeffs, 0, sizeof(che->ch[j].coeffs));
+ // sbr context should be reseted and function pointers
should be applied too
+ memset(&che->sbr, 0, sizeof(che->sbr));
+ AAC_RENAME(ff_aac_sbr_ctx_init)(ac, &che->sbr, type);
}
}
}
--
1.7.1
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