[bTSstream-devel] [Git][videolan/bitstream][master] 2 commits: Add more ATSC A/52 support

[Christophe Massiot]

Christophe Massiot pushed to branch master at VideoLAN / bitstream


Commits:
85bcb754 by Clément Vasseur at 2018-09-11T09:15:40Z
Add more ATSC A/52 support

- - - - -
b6bf2674 by Christophe Massiot at 2018-09-11T12:36:40Z
Merge branch 'nto-a52'

- - - - -


1 changed file:

- atsc/a52.h


Changes:

=====================================
atsc/a52.h
=====================================
@@ -1,7 +1,7 @@
 /*****************************************************************************
  * a52.h: ATSC A/52:2012 Digital Audio Compression Standard
  *****************************************************************************
- * Copyright (C) 2013-2014 VideoLAN
+ * Copyright (C) 2013-2018 VideoLAN
  *
  * Authors: Benjamin Cohen <bencoh at notk.org>
  *
@@ -302,6 +302,28 @@ static inline void a52e_set_fscod2(uint8_t *p_a52, uint8_t i_fscod)
     p_a52[4] |= (i_fscod & 0x3) << 4;
 }
 
+static inline uint8_t a52e_get_acmod(const uint8_t *p_a52)
+{
+    return (p_a52[4] & 0xe) >> 1;
+}
+
+static inline void a52e_set_acmod(uint8_t *p_a52, uint8_t i_acmod)
+{
+    p_a52[4] &= ~0xe;
+    p_a52[4] |= (i_acmod & 0x7) << 1;
+}
+
+static inline uint8_t a52e_get_lfeon(const uint8_t *p_a52)
+{
+    return p_a52[4] & 0x1;
+}
+
+static inline void a52e_set_lfeon(uint8_t *p_a52, uint8_t i_lfeon)
+{
+    p_a52[4] &= ~0x1;
+    p_a52[4] |= i_lfeon & 0x1;
+}
+
 static inline bool a52e_sync_compare_formats(const uint8_t *p_a521, const uint8_t *p_a522)
 {
     return !memcmp(p_a521, p_a522, A52_SYNCINFO_SIZE);



View it on GitLab: https://code.videolan.org/videolan/bitstream/compare/994814594ab0c51adbd5db2b7c5423bb6d940a37...b6bf267428a28073c30f85d974c78dc81d4920b3

-- 
View it on GitLab: https://code.videolan.org/videolan/bitstream/compare/994814594ab0c51adbd5db2b7c5423bb6d940a37...b6bf267428a28073c30f85d974c78dc81d4920b3
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