Import baresip_0.5.7.orig.tar.gz

[dgit import orig baresip_0.5.7.orig.tar.gz]

5 files changed, 323 insertions, 0 deletions

diff --git a/modules/vidbridge/disp.c b/modules/vidbridge/disp.c
new file mode 100644
index 0000000..be1e8e5
--- /dev/null
+++ b/modules/vidbridge/disp.c
@@ -0,0 +1,94 @@
+/**
+ * @file vidbridge/disp.c Video bridge -- display
+ *
+ * Copyright (C) 2010 Creytiv.com
+ */
+#include <re.h>
+#include <rem.h>
+#include <baresip.h>
+#include "vidbridge.h"
+
+
+static void destructor(void *arg)
+{
+	struct vidisp_st *st = arg;
+
+	if (st->vidsrc)
+		st->vidsrc->vidisp = NULL;
+
+	list_unlink(&st->le);
+	mem_deref(st->device);
+}
+
+
+int vidbridge_disp_alloc(struct vidisp_st **stp, const struct vidisp *vd,
+			 struct vidisp_prm *prm, const char *dev,
+			 vidisp_resize_h *resizeh, void *arg)
+{
+	struct vidisp_st *st;
+	int err = 0;
+	(void)prm;
+	(void)resizeh;
+	(void)arg;
+
+	if (!stp || !vd || !dev)
+		return EINVAL;
+
+	st = mem_zalloc(sizeof(*st), destructor);
+	if (!st)
+		return ENOMEM;
+
+	st->vd = vd;
+
+	err = str_dup(&st->device, dev);
+	if (err)
+		goto out;
+
+	/* find the vidsrc with the same device-name */
+	st->vidsrc = vidbridge_src_find(dev);
+	if (st->vidsrc) {
+		st->vidsrc->vidisp = st;
+	}
+
+	hash_append(ht_disp, hash_joaat_str(dev), &st->le, st);
+
+ out:
+	if (err)
+		mem_deref(st);
+	else
+		*stp = st;
+
+	return err;
+}
+
+
+static bool list_apply_handler(struct le *le, void *arg)
+{
+	struct vidisp_st *st = le->data;
+
+	return 0 == str_cmp(st->device, arg);
+}
+
+
+int vidbridge_disp_display(struct vidisp_st *st, const char *title,
+			   const struct vidframe *frame)
+{
+	int err = 0;
+	(void)title;
+
+	if (st->vidsrc)
+		vidbridge_src_input(st->vidsrc, frame);
+	else {
+		debug("vidbridge: display: dropping frame (%u x %u)\n",
+		      frame->size.w, frame->size.h);
+	}
+
+	return err;
+}
+
+
+struct vidisp_st *vidbridge_disp_find(const char *device)
+{
+	return list_ledata(hash_lookup(ht_disp, hash_joaat_str(device),
+				       list_apply_handler, (void *)device));
+}
diff --git a/modules/vidbridge/module.mk b/modules/vidbridge/module.mk
new file mode 100644
index 0000000..13000b6
--- /dev/null
+++ b/modules/vidbridge/module.mk
@@ -0,0 +1,11 @@
+#
+# module.mk
+#
+# Copyright (C) 2010 Creytiv.com
+#
+
+MOD		:= vidbridge
+$(MOD)_SRCS	+= vidbridge.c src.c disp.c
+$(MOD)_LFLAGS	+=
+
+include mk/mod.mk
diff --git a/modules/vidbridge/src.c b/modules/vidbridge/src.c
new file mode 100644
index 0000000..5e7d08a
--- /dev/null
+++ b/modules/vidbridge/src.c
@@ -0,0 +1,93 @@
+/**
+ * @file vidbridge/src.c Video bridge -- source
+ *
+ * Copyright (C) 2010 Creytiv.com
+ */
+#include <re.h>
+#include <rem.h>
+#include <baresip.h>
+#include "vidbridge.h"
+
+
+static void destructor(void *arg)
+{
+	struct vidsrc_st *st = arg;
+
+	if (st->vidisp)
+		st->vidisp->vidsrc = NULL;
+
+	list_unlink(&st->le);
+	mem_deref(st->device);
+}
+
+
+int vidbridge_src_alloc(struct vidsrc_st **stp, const struct vidsrc *vs,
+			struct media_ctx **ctx, struct vidsrc_prm *prm,
+			const struct vidsz *size, const char *fmt,
+			const char *dev, vidsrc_frame_h *frameh,
+			vidsrc_error_h *errorh, void *arg)
+{
+	struct vidsrc_st *st;
+	int err;
+	(void)ctx;
+	(void)prm;
+	(void)fmt;
+	(void)errorh;
+
+	if (!stp || !size || !frameh)
+		return EINVAL;
+
+	st = mem_zalloc(sizeof(*st), destructor);
+	if (!st)
+		return ENOMEM;
+
+	st->vs     = vs;
+	st->frameh = frameh;
+	st->arg    = arg;
+
+	err = str_dup(&st->device, dev);
+	if (err)
+		goto out;
+
+	/* find a vidisp device with same name */
+	st->vidisp = vidbridge_disp_find(dev);
+	if (st->vidisp) {
+		st->vidisp->vidsrc = st;
+	}
+
+	hash_append(ht_src, hash_joaat_str(dev), &st->le, st);
+
+ out:
+	if (err)
+		mem_deref(st);
+	else
+		*stp = st;
+
+	return err;
+}
+
+
+static bool list_apply_handler(struct le *le, void *arg)
+{
+	struct vidsrc_st *st = le->data;
+
+	return 0 == str_cmp(st->device, arg);
+}
+
+
+struct vidsrc_st *vidbridge_src_find(const char *device)
+{
+	return list_ledata(hash_lookup(ht_src, hash_joaat_str(device),
+				       list_apply_handler, (void *)device));
+}
+
+
+void vidbridge_src_input(const struct vidsrc_st *st,
+			 const struct vidframe *frame)
+{
+	if (!st || !frame)
+		return;
+
+	if (st->frameh)
+		st->frameh((struct vidframe *)frame, st->arg);
+}
diff --git a/modules/vidbridge/vidbridge.c b/modules/vidbridge/vidbridge.c
new file mode 100644
index 0000000..557e175
--- /dev/null
+++ b/modules/vidbridge/vidbridge.c
@@ -0,0 +1,78 @@
+/**
+ * @file vidbridge.c Video bridge
+ *
+ * Copyright (C) 2010 Creytiv.com
+ */
+#include <re.h>
+#include <rem.h>
+#include <baresip.h>
+#include "vidbridge.h"
+
+
+/**
+ * @defgroup vidbridge vidbridge
+ *
+ * Video bridge module
+ *
+ * This module can be used to connect two video devices together,
+ * so that all output to VIDISP device is bridged as the input to
+ * a VIDSRC device.
+ *
+ * Sample config:
+ *
+ \verbatim
+  video_display           vidbridge,pseudo0
+  video_source            vidbridge,pseudo0
+ \endverbatim
+ */
+
+
+static struct vidisp *vidisp;
+static struct vidsrc *vidsrc;
+
+struct hash *ht_src;
+struct hash *ht_disp;
+
+
+static int module_init(void)
+{
+	int err;
+
+	err  = hash_alloc(&ht_src, 32);
+	err |= hash_alloc(&ht_disp, 32);
+	if (err)
+		return err;
+
+	err = vidisp_register(&vidisp, baresip_vidispl(),
+			      "vidbridge", vidbridge_disp_alloc,
+			      NULL, vidbridge_disp_display, 0);
+	if (err)
+		return err;
+
+	err = vidsrc_register(&vidsrc, baresip_vidsrcl(),
+			      "vidbridge", vidbridge_src_alloc, NULL);
+	if (err)
+		return err;
+
+	return err;
+}
+
+
+static int module_close(void)
+{
+	vidsrc = mem_deref(vidsrc);
+	vidisp = mem_deref(vidisp);
+
+	ht_src  = mem_deref(ht_src);
+	ht_disp = mem_deref(ht_disp);
+
+	return 0;
+}
+
+
+EXPORT_SYM const struct mod_export DECL_EXPORTS(vidbridge) = {
+	"vidbridge",
+	"video",
+	module_init,
+	module_close,
+};
diff --git a/modules/vidbridge/vidbridge.h b/modules/vidbridge/vidbridge.h
new file mode 100644
index 0000000..0fbf68e
--- /dev/null
+++ b/modules/vidbridge/vidbridge.h
@@ -0,0 +1,47 @@
+/**
+ * @file vidbridge.h Video bridge -- internal interface
+ *
+ * Copyright (C) 2010 Creytiv.com
+ */
+
+
+struct vidsrc_st {
+	const struct vidsrc *vs;  /* inheritance (1st) */
+
+	struct le le;
+	struct vidisp_st *vidisp;
+	char *device;
+	vidsrc_frame_h *frameh;
+	void *arg;
+};
+
+
+struct vidisp_st {
+	const struct vidisp *vd;  /* inheritance (1st) */
+
+	struct le le;
+	struct vidsrc_st *vidsrc;
+	char *device;
+};
+
+
+extern struct hash *ht_src;
+extern struct hash *ht_disp;
+
+
+int vidbridge_disp_alloc(struct vidisp_st **stp, const struct vidisp *vd,
+			 struct vidisp_prm *prm, const char *dev,
+			 vidisp_resize_h *resizeh, void *arg);
+int vidbridge_disp_display(struct vidisp_st *st, const char *title,
+			   const struct vidframe *frame);
+struct vidisp_st *vidbridge_disp_find(const char *device);
+
+
+int vidbridge_src_alloc(struct vidsrc_st **stp, const struct vidsrc *vs,
+			struct media_ctx **ctx, struct vidsrc_prm *prm,
+			const struct vidsz *size, const char *fmt,
+			const char *dev, vidsrc_frame_h *frameh,
+			vidsrc_error_h *errorh, void *arg);
+struct vidsrc_st *vidbridge_src_find(const char *device);
+void vidbridge_src_input(const struct vidsrc_st *st,
+			 const struct vidframe *frame);