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Diffstat (limited to 'src/mediactl.c')
-rw-r--r--src/mediactl.c104
1 files changed, 64 insertions, 40 deletions
diff --git a/src/mediactl.c b/src/mediactl.c
index 7b7b93a..43d1b6a 100644
--- a/src/mediactl.c
+++ b/src/mediactl.c
@@ -36,12 +36,6 @@
#include "mediactl.h"
#include "tools.h"
-#ifdef DEBUG
-#define dprintf(...) printf(__VA_ARGS__)
-#else
-#define dprintf(...)
-#endif
-
struct media_pad *media_entity_remote_source(struct media_pad *pad)
{
unsigned int i;
@@ -113,7 +107,7 @@ int media_setup_link(struct media_device *media,
}
if (i == source->entity->num_links) {
- dprintf("%s: Link not found\n", __func__);
+ media_dbg(media, "%s: Link not found\n", __func__);
return -ENOENT;
}
@@ -131,8 +125,8 @@ int media_setup_link(struct media_device *media,
ret = ioctl(media->fd, MEDIA_IOC_SETUP_LINK, &ulink);
if (ret == -1) {
- dprintf("%s: Unable to setup link (%s)\n", __func__,
- strerror(errno));
+ media_dbg(media, "%s: Unable to setup link (%s)\n",
+ __func__, strerror(errno));
return -errno;
}
@@ -202,8 +196,9 @@ static int media_enum_links(struct media_device *media)
links.links = malloc(entity->info.links * sizeof(struct media_link_desc));
if (ioctl(media->fd, MEDIA_IOC_ENUM_LINKS, &links) < 0) {
- dprintf("%s: Unable to enumerate pads and links (%s).\n",
- __func__, strerror(errno));
+ media_dbg(media,
+ "%s: Unable to enumerate pads and links (%s).\n",
+ __func__, strerror(errno));
free(links.pads);
free(links.links);
return -errno;
@@ -226,9 +221,12 @@ static int media_enum_links(struct media_device *media)
sink = media_get_entity_by_id(media, link->sink.entity);
if (source == NULL || sink == NULL) {
- dprintf("WARNING entity %u link %u from %u/%u to %u/%u is invalid!\n",
- id, i, link->source.entity, link->source.index,
- link->sink.entity, link->sink.index);
+ media_dbg(media,
+ "WARNING entity %u link %u from %u/%u to %u/%u is invalid!\n",
+ id, i, link->source.entity,
+ link->source.index,
+ link->sink.entity,
+ link->sink.index);
ret = -EINVAL;
} else {
fwdlink = media_entity_add_link(source);
@@ -284,7 +282,8 @@ static int media_get_devname_udev(struct udev *udev,
devnum = makedev(entity->info.v4l.major, entity->info.v4l.minor);
if (verbose)
- printf("looking up device: %u:%u\n", major(devnum), minor(devnum));
+ media_dbg(entity->media, "looking up device: %u:%u\n",
+ major(devnum), minor(devnum));
device = udev_device_new_from_devnum(udev, 'c', devnum);
if (device) {
p = udev_device_get_devnode(device);
@@ -362,7 +361,7 @@ static int media_enum_entities(struct media_device *media, int verbose)
ret = media_udev_open(&udev);
if (ret < 0)
- printf("%s: Can't get udev context\n", __func__);
+ media_dbg(media, "Can't get udev context\n");
for (id = 0, ret = 0; ; id = entity->info.id) {
size = (media->entities_count + 1) * sizeof(*media->entities);
@@ -412,48 +411,66 @@ static int media_enum_entities(struct media_device *media, int verbose)
return ret;
}
-struct media_device *media_open(const char *name, int verbose)
+static void media_debug_default(void *ptr, ...)
+{
+}
+
+void media_debug_set_handler(struct media_device *media,
+ void (*debug_handler)(void *, ...),
+ void *debug_priv)
+{
+ if (debug_handler) {
+ media->debug_handler = debug_handler;
+ media->debug_priv = debug_priv;
+ } else {
+ media->debug_handler = media_debug_default;
+ media->debug_priv = NULL;
+ }
+}
+
+struct media_device *media_open_debug(
+ const char *name, int verbose, void (*debug_handler)(void *, ...),
+ void *debug_priv)
{
struct media_device *media;
int ret;
media = calloc(1, sizeof(*media));
- if (media == NULL) {
- dprintf("%s: unable to allocate memory\n", __func__);
+ if (media == NULL)
return NULL;
- }
- if (verbose)
- dprintf("Opening media device %s\n", name);
+ media_debug_set_handler(media, debug_handler, debug_priv);
+
+ media_dbg(media, "Opening media device %s\n", name);
media->fd = open(name, O_RDWR);
if (media->fd < 0) {
media_close(media);
- dprintf("%s: Can't open media device %s\n", __func__, name);
+ media_dbg(media, "%s: Can't open media device %s\n",
+ __func__, name);
return NULL;
}
- if (verbose)
- dprintf("Enumerating entities\n");
+ media_dbg(media, "Enumerating entities\n");
ret = media_enum_entities(media, verbose);
if (ret < 0) {
- dprintf("%s: Unable to enumerate entities for device %s (%s)\n",
- __func__, name, strerror(-ret));
+ media_dbg(media,
+ "%s: Unable to enumerate entities for device %s (%s)\n",
+ __func__, name, strerror(-ret));
media_close(media);
return NULL;
}
- if (verbose) {
- dprintf("Found %u entities\n", media->entities_count);
- dprintf("Enumerating pads and links\n");
- }
+ media_dbg(media, "Found %u entities\n", media->entities_count);
+ media_dbg(media, "Enumerating pads and links\n");
ret = media_enum_links(media);
if (ret < 0) {
- dprintf("%s: Unable to enumerate pads and linksfor device %s\n",
- __func__, name);
+ media_dbg(media,
+ "%s: Unable to enumerate pads and linksfor device %s\n",
+ __func__, name);
media_close(media);
return NULL;
}
@@ -461,6 +478,11 @@ struct media_device *media_open(const char *name, int verbose)
return media;
}
+struct media_device *media_open(const char *name, int verbose)
+{
+ return media_open_debug(name, verbose, NULL, NULL);
+}
+
void media_close(struct media_device *media)
{
unsigned int i;
@@ -567,30 +589,32 @@ int media_parse_setup_link(struct media_device *media,
link = media_parse_link(media, p, &end);
if (link == NULL) {
- dprintf("Unable to parse link\n");
+ media_dbg(media,
+ "%s: Unable to parse link\n", __func__);
return -EINVAL;
}
p = end;
if (*p++ != '[') {
- dprintf("Unable to parse link flags\n");
+ media_dbg(media, "Unable to parse link flags\n");
return -EINVAL;
}
flags = strtoul(p, &end, 10);
for (p = end; isspace(*p); p++);
if (*p++ != ']') {
- dprintf("Unable to parse link flags\n");
+ media_dbg(media, "Unable to parse link flags\n");
return -EINVAL;
}
for (; isspace(*p); p++);
*endp = (char *)p;
- dprintf("Setting up link %u:%u -> %u:%u [%u]\n",
- link->source->entity->info.id, link->source->index,
- link->sink->entity->info.id, link->sink->index,
- flags);
+ media_dbg(media,
+ "Setting up link %u:%u -> %u:%u [%u]\n",
+ link->source->entity->info.id, link->source->index,
+ link->sink->entity->info.id, link->sink->index,
+ flags);
return media_setup_link(media, link->source, link->sink, flags);
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-12 10:28:11 +0000