[FFmpeg-cvslog] ac3enc: change default floor code to 7.

Justin Ruggles git
Wed Feb 16 23:18:31 CET 2011


ffmpeg | branch: master | Justin Ruggles <justin.ruggles at gmail.com> | Tue Feb 15 18:46:56 2011 +0000| [660ab0e64d0c3eaa3d3927e3ad00b537ec1b633d] | committer: Michael Niedermayer

ac3enc: change default floor code to 7.

This is to match the value in every (E-)AC-3 file from commercial sources.
It has a negligible effect on audio quality.

Signed-off-by: Mans Rullgard <mans at mansr.com>
(cherry picked from commit 50d7140441b61809ad4ba4ea7b4ad8fe77bc6888)

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=660ab0e64d0c3eaa3d3927e3ad00b537ec1b633d
---

 libavcodec/ac3enc.c        |    2 +-
 tests/ref/acodec/ac3_fixed |    2 +-
 tests/ref/lavf/rm          |    2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/libavcodec/ac3enc.c b/libavcodec/ac3enc.c
index c15fd51..72a6c89 100644
--- a/libavcodec/ac3enc.c
+++ b/libavcodec/ac3enc.c
@@ -752,7 +752,7 @@ static void bit_alloc_init(AC3EncodeContext *s)
     s->fast_decay_code = 1;
     s->slow_gain_code  = 1;
     s->db_per_bit_code = 3;
-    s->floor_code      = 4;
+    s->floor_code      = 7;
     for (ch = 0; ch < s->channels; ch++)
         s->fast_gain_code[ch] = 4;
 
diff --git a/tests/ref/acodec/ac3_fixed b/tests/ref/acodec/ac3_fixed
index 5c75ecd..7923d71 100644
--- a/tests/ref/acodec/ac3_fixed
+++ b/tests/ref/acodec/ac3_fixed
@@ -1,2 +1,2 @@
-37e119c644ba0472c079d0e907bf78df *./tests/data/acodec/ac3.rm
+f8eddf3c4e119bcb2aa89a76d7461259 *./tests/data/acodec/ac3.rm
 98751 ./tests/data/acodec/ac3.rm
diff --git a/tests/ref/lavf/rm b/tests/ref/lavf/rm
index c26dd0a..b8bf220 100644
--- a/tests/ref/lavf/rm
+++ b/tests/ref/lavf/rm
@@ -1,2 +1,2 @@
-b97899ef2812cd1c8851dea550e042e4 *./tests/data/lavf/lavf.rm
+d149fc272dfd21fb8908ee21d7b1651b *./tests/data/lavf/lavf.rm
 346706 ./tests/data/lavf/lavf.rm




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