From 4481f4b62a356aee64364101e8f254fdaf7ad028 Mon Sep 17 00:00:00 2001
From: "Alfred E. Heggestad" <alfred.heggestad@gmail.com>
Date: Fri, 26 May 2017 20:08:50 +0200
Subject: vidfilt: make the API re-entrant

---
 src/baresip.c |  8 ++++++++
 src/conf.c    |  2 +-
 src/video.c   |  4 ++--
 src/vidfilt.c | 21 ++++-----------------
 4 files changed, 15 insertions(+), 20 deletions(-)

(limited to 'src')

diff --git a/src/baresip.c b/src/baresip.c
index 5484f77..2d63287 100644
--- a/src/baresip.c
+++ b/src/baresip.c
@@ -27,6 +27,7 @@ static struct baresip {
 	struct list vidcodecl;
 	struct list vidsrcl;
 	struct list vidispl;
+	struct list vidfiltl;
 } baresip;
 
 
@@ -47,6 +48,7 @@ int baresip_init(struct config *cfg, bool prefer_ipv6)
 	list_init(&baresip.vidcodecl);
 	list_init(&baresip.vidsrcl);
 	list_init(&baresip.vidispl);
+	list_init(&baresip.vidfiltl);
 
 	/* Initialise Network */
 	err = net_alloc(&baresip.net, &cfg->net,
@@ -176,3 +178,9 @@ struct list *baresip_vidispl(void)
 {
 	return &baresip.vidispl;
 }
+
+
+struct list *baresip_vidfiltl(void)
+{
+	return &baresip.vidfiltl;
+}
diff --git a/src/conf.c b/src/conf.c
index 7f7441b..e2e89f4 100644
--- a/src/conf.c
+++ b/src/conf.c
@@ -356,7 +356,7 @@ int conf_modules(void)
 	print_populated("audio filter", list_count(baresip_aufiltl()));
 #ifdef USE_VIDEO
 	print_populated("video codec",  list_count(baresip_vidcodecl()));
-	print_populated("video filter", list_count(vidfilt_list()));
+	print_populated("video filter", list_count(baresip_vidfiltl()));
 #endif
 
  out:
diff --git a/src/video.c b/src/video.c
index 9e767d0..9077a0c 100644
--- a/src/video.c
+++ b/src/video.c
@@ -825,7 +825,7 @@ int video_alloc(struct video **vp, const struct config *cfg,
 	}
 
 	/* Video filters */
-	for (le = list_head(vidfilt_list()); le; le = le->next) {
+	for (le = list_head(baresip_vidfiltl()); le; le = le->next) {
 		struct vidfilt *vf = le->data;
 		void *ctx = NULL;
 
@@ -1290,7 +1290,7 @@ int video_debug(struct re_printf *pf, const struct video *v)
 	err |= re_hprintf(pf, "     n_intra=%u, n_picup=%u\n",
 			  vrx->n_intra, vrx->n_picup);
 
-	if (!list_isempty(vidfilt_list())) {
+	if (!list_isempty(baresip_vidfiltl())) {
 		err |= vtx_print_pipeline(pf, vtx);
 		err |= vrx_print_pipeline(pf, vrx);
 	}
diff --git a/src/vidfilt.c b/src/vidfilt.c
index a8d8426..c55a1e5 100644
--- a/src/vidfilt.c
+++ b/src/vidfilt.c
@@ -8,20 +8,18 @@
 #include "core.h"
 
 
-static struct list vfl;
-
-
 /**
  * Register a new Video Filter
  *
- * @param vf Video Filter to register
+ * @param vidfiltl List of Video-Filters
+ * @param vf       Video Filter to register
  */
-void vidfilt_register(struct vidfilt *vf)
+void vidfilt_register(struct list *vidfiltl, struct vidfilt *vf)
 {
 	if (!vf)
 		return;
 
-	list_append(&vfl, &vf->le, vf);
+	list_append(vidfiltl, &vf->le, vf);
 
 	info("vidfilt: %s\n", vf->name);
 }
@@ -41,17 +39,6 @@ void vidfilt_unregister(struct vidfilt *vf)
 }
 
 
-/**
- * Get the list of registered Video Filters
- *
- * @return List of Video Filters
- */
-struct list *vidfilt_list(void)
-{
-	return &vfl;
-}
-
-
 static void vidfilt_enc_destructor(void *arg)
 {
 	struct vidfilt_enc_st *st = arg;
-- 
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