int index;
};
-static int device_open(AVFormatContext *ctx)
+static int device_open(AVFormatContext *ctx, const char* device_path)
{
struct video_data *s = ctx->priv_data;
struct v4l2_capability cap;
flags |= O_NONBLOCK;
}
- fd = v4l2_open(ctx->filename, flags, 0);
+ fd = v4l2_open(device_path, flags, 0);
if (fd < 0) {
err = AVERROR(errno);
av_log(ctx, AV_LOG_ERROR, "Cannot open video device %s: %s\n",
- ctx->filename, av_err2str(err));
+ device_path, av_err2str(err));
return err;
}
v4l2_log_file = fopen("/dev/null", "w");
#endif
- s->fd = device_open(ctx);
+ s->fd = device_open(ctx, ctx->url);
if (s->fd < 0)
return s->fd;
return ret;
}
while ((entry = readdir(dir))) {
+ char device_name[256];
+
if (!v4l2_is_v4l_dev(entry->d_name))
continue;
- snprintf(ctx->filename, sizeof(ctx->filename), "/dev/%s", entry->d_name);
- if ((s->fd = device_open(ctx)) < 0)
+ snprintf(device_name, sizeof(device_name), "/dev/%s", entry->d_name);
+ if ((s->fd = device_open(ctx, device_name)) < 0)
continue;
if (v4l2_ioctl(s->fd, VIDIOC_QUERYCAP, &cap) < 0) {
ret = AVERROR(ENOMEM);
goto fail;
}
- device->device_name = av_strdup(ctx->filename);
+ device->device_name = av_strdup(device_name);
device->device_description = av_strdup(cap.card);
if (!device->device_name || !device->device_description) {
ret = AVERROR(ENOMEM);