Revert the DVD LPCM header description changes; will be added back later.

[vlc] / modules / codec / lpcm.c

diff --git a/modules/codec/lpcm.c b/modules/codec/lpcm.c
index 32346f1d0ebe626362aeb7c80801f419221aa960..8e62b152d41ac8bfefbc15afed91464ab9fb135e 100644 (file)
--- a/modules/codec/lpcm.c
+++ b/modules/codec/lpcm.c
@@ -93,6 +93,7 @@ struct decoder_sys_t
     int      i_type;
 };
 
+#ifdef ENABLE_SOUT
 struct encoder_sys_t
 {
     int     i_channels;
@@ -103,20 +104,19 @@ struct encoder_sys_t
     int     i_buffer_used;
     int     i_frame_num;
 };
+#endif
 
 /*
  * LPCM DVD header :
- * - number of frames in this packet (8 bits)
- * - first access unit (16 bits) == 0x0003 ?
- * - emphasis (1 bit)
- * - mute (1 bit)
- * - reserved (1 bit)
- * - current frame (5 bits)
- * - quantisation (2 bits) 0 == 16bps, 1 == 20bps, 2 == 24bps, 3 == illegal
- * - frequency (2 bits) 0 == 48 kHz, 1 == 96 kHz, 2 == 44.1 kHz, 3 == 32 kHz
- * - reserved (1 bit)
+ * - frame number (8 bits)
+ * - unknown (16 bits) == 0x0003 ?
+ * - unknown (4 bits)
+ * - current frame (4 bits)
+ * - unknown (2 bits)
+ * - frequency (2 bits) 0 == 48 kHz, 1 == 32 kHz, 2 == ?, 3 == ?
+ * - unknown (1 bit)
  * - number of channels - 1 (3 bits) 1 == 2 channels
- * - dynamic range (8 bits) 0x80 == neutral
+ * - start code (8 bits) == 0x80
  *
  * LPCM DVD-A header (http://dvd-audio.sourceforge.net/spec/aob.shtml)
  * - continuity counter (8 bits, clipped to 0x00-0x1f)