From af9e9d613ad8e9ac8c2218412cb5446af5da0de2 Mon Sep 17 00:00:00 2001
From: Edward Hervey <edward@centricular.com>
Date: Mon, 19 Mar 2018 10:53:52 +0100
Subject: [PATCH] closedcaption: zvbi: Disable unused legacy bit slicer

The code only uses the new 'optimized' bit slicer
---
 ext/closedcaption/decoder.c | 3 +++
 ext/closedcaption/decoder.h | 9 +++++++--
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/ext/closedcaption/decoder.c b/ext/closedcaption/decoder.c
index 98933b1c85..083a88544e 100644
--- a/ext/closedcaption/decoder.c
+++ b/ext/closedcaption/decoder.c
@@ -48,6 +48,7 @@
  * these lower level functions.
  */
 
+#if 0                           /* LEGACY BIT SLICER */
 /*
  *  Bit Slicer
  */
@@ -475,6 +476,8 @@ vbi_bit_slicer_init (vbi_bit_slicer * slicer,
   }
 }
 
+#endif
+
 /**
  * @example examples/wss.c
  * WSS capture example.
diff --git a/ext/closedcaption/decoder.h b/ext/closedcaption/decoder.h
index f12147ded8..04dfd20c91 100644
--- a/ext/closedcaption/decoder.h
+++ b/ext/closedcaption/decoder.h
@@ -233,6 +233,7 @@ typedef enum {
 	VBI_MODULATION_BIPHASE_MSB
 } vbi_modulation;
 
+#if 0
 /**
  * @ingroup Rawdec
  * @brief Bit slicer context.
@@ -296,7 +297,7 @@ vbi_bit_slice(vbi_bit_slicer *slicer, uint8_t *raw, uint8_t *buf)
 	return slicer->func(slicer, raw, buf);
 }
 /** @} */
-
+#endif
 /**
  * @ingroup Rawdec
  * @brief Raw vbi decoder context.
@@ -372,14 +373,18 @@ typedef struct vbi_raw_decoder {
 	pthread_mutex_t		mutex;
 
 	unsigned int		services;
+#if 0				/* DISABLED LEGACY DECODER */
 	int			num_jobs;
+#endif
 
-	int8_t *		pattern;
+	int8_t *		pattern; /* The real vbi3_raw_decoder */
+#if 0		/* DISABLED LEGACY DECODER */
 	struct _vbi_raw_decoder_job {
 		unsigned int		id;
 		int			offset;
 		vbi_bit_slicer		slicer;
 	}			jobs[8];
+#endif
 } vbi_raw_decoder;
 
 /**