[FFmpeg-cvslog] avcodec/ac3dec: Reset SPX when switching from EAC3 to AC3
Michael Niedermayer
git at videolan.org
Thu Apr 28 05:29:21 CEST 2016
ffmpeg | branch: release/2.7 | Michael Niedermayer <michael at niedermayer.cc> | Mon Apr 25 04:08:21 2016 +0200| [49fc747b4874e9c21fc37811c612add2d1eb7eda] | committer: Michael Niedermayer
avcodec/ac3dec: Reset SPX when switching from EAC3 to AC3
Fixes Ticket5319
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
(cherry picked from commit 9ac154d1facd4756db6918f866dccf3e3ffb698c)
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=49fc747b4874e9c21fc37811c612add2d1eb7eda
---
libavcodec/ac3dec.c | 12 +++++++-----
1 file changed, 7 insertions(+), 5 deletions(-)
diff --git a/libavcodec/ac3dec.c b/libavcodec/ac3dec.c
index 234b469..d06b281 100644
--- a/libavcodec/ac3dec.c
+++ b/libavcodec/ac3dec.c
@@ -901,11 +901,13 @@ static int decode_audio_block(AC3DecodeContext *s, int blk)
ff_eac3_default_spx_band_struct,
&s->num_spx_bands,
s->spx_band_sizes);
- } else {
- for (ch = 1; ch <= fbw_channels; ch++) {
- s->channel_uses_spx[ch] = 0;
- s->first_spx_coords[ch] = 1;
- }
+ }
+ }
+ if (!s->eac3 || !s->spx_in_use) {
+ s->spx_in_use = 0;
+ for (ch = 1; ch <= fbw_channels; ch++) {
+ s->channel_uses_spx[ch] = 0;
+ s->first_spx_coords[ch] = 1;
}
}
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