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v4l2: add bus_info in v4l2_capability if we have it

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This commit is contained in:
Wim Taymans 2024-05-08 17:48:00 +02:00
parent b2844201c2
commit 1c900707a8
1 changed files with 12 additions and 7 deletions
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19
pipewire-v4l2/src/pipewire-v4l2.c
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@ -21,6 +21,7 @@
#include <spa/utils/atomic.h>
#include <spa/utils/result.h>
#include <spa/utils/keys.h>
#include <spa/pod/iter.h>
#include <spa/pod/parser.h>
#include <spa/pod/filter.h>
@ -912,7 +913,7 @@ static int v4l2_close(int fd)
static int vidioc_querycap(struct file *file, struct v4l2_capability *arg)
{
int res = 0;
const char *str = NULL;
const char *card = NULL, *bus_info = NULL;
struct pw_node_info *info;
if (file->node == NULL)
@ -921,15 +922,19 @@ static int vidioc_querycap(struct file *file, struct v4l2_capability *arg)
info = file->node->info;
if (info != NULL && info->props != NULL) {
str = spa_dict_lookup(info->props, PW_KEY_NODE_DESCRIPTION);
card = spa_dict_lookup(info->props, PW_KEY_NODE_DESCRIPTION);
bus_info = spa_dict_lookup(info->props, SPA_KEY_API_V4L2_CAP_BUS_INFO);
}
if (str == NULL)
str = DEFAULT_CARD;
if (card == NULL)
card = DEFAULT_CARD;
spa_scnprintf((char*)arg->driver, sizeof(arg->driver), "%s", DEFAULT_DRIVER);
spa_scnprintf((char*)arg->card, sizeof(arg->card), "%s", str);
spa_scnprintf((char*)arg->bus_info, sizeof(arg->bus_info), "platform:%s-%d",
DEFAULT_BUS_INFO, file->node->id);
spa_scnprintf((char*)arg->card, sizeof(arg->card), "%s", card);
if (bus_info == NULL)
spa_scnprintf((char*)arg->bus_info, sizeof(arg->bus_info), "platform:%s-%d",
DEFAULT_BUS_INFO, file->node->id);
else
spa_scnprintf((char*)arg->bus_info, sizeof(arg->bus_info), "%s", bus_info);
arg->version = KERNEL_VERSION(5, 2, 0);
arg->device_caps = V4L2_CAP_VIDEO_CAPTURE